.message-modal-overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:9999;padding:20px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);min-height:100vh;min-width:100vw;box-sizing:border-box}.message-modal{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;width:100%;max-width:600px;max-height:80vh;overflow:hidden;box-shadow:0 20px 60px #0003;position:relative;transform:scale(1);animation:modalAppear .2s ease-out;margin:auto;flex-shrink:0}@keyframes modalAppear{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}[data-theme=dark] .message-modal{box-shadow:0 20px 60px #0006}.message-modal-header{padding:24px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.message-modal-info{flex:1;min-width:0}.message-modal-info h2{margin:0 0 8px;font-size:20px;font-weight:600;color:var(--text-primary);line-height:1.3}.message-modal-meta{display:flex;flex-direction:column;gap:4px}.message-sender{font-size:14px;font-weight:600;color:var(--accent-primary)}.message-date{font-size:13px;color:var(--text-secondary)}.message-modal-close{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:8px;border-radius:6px;transition:all .2s ease;flex-shrink:0}.message-modal-close:hover{color:var(--text-primary);background:var(--bg-secondary)}.message-modal-body{padding:24px;max-height:60vh;overflow-y:auto}.message-description{color:var(--text-primary);line-height:1.6;font-size:15px}.message-description p{margin:0 0 16px}.message-description p:last-child{margin-bottom:0}.message-modal-body::-webkit-scrollbar{width:6px}.message-modal-body::-webkit-scrollbar-track{background:var(--bg-secondary)}.message-modal-body::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.message-modal-body::-webkit-scrollbar-thumb:hover{background:var(--border-light)}@media(max-width:768px){.message-modal-overlay{padding:16px;align-items:center;justify-content:center}.message-modal{max-height:85vh;width:100%;margin:0}.message-modal-header{padding:20px}.message-modal-info h2{font-size:18px}.message-modal-body{padding:20px}.message-description{font-size:14px}}@media(max-width:480px){.message-modal-overlay{padding:12px;align-items:center;justify-content:center}.message-modal{max-height:90vh;width:100%;margin:0}.message-modal-header{padding:16px;flex-direction:column;align-items:flex-start;gap:12px}.message-modal-close{position:absolute;top:16px;right:16px}.message-modal-info h2{font-size:16px;margin-right:40px}.message-modal-body{padding:16px}.message-description{font-size:14px}}.confirm-dialog-overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:10000;padding:20px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);box-sizing:border-box}.confirm-dialog{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;width:100%;max-width:400px;box-shadow:0 20px 60px #0003;position:relative;animation:confirmDialogAppear .2s ease-out;margin:auto}@keyframes confirmDialogAppear{0%{opacity:0;transform:scale(.95) translateY(-10px)}to{opacity:1;transform:scale(1) translateY(0)}}[data-theme=dark] .confirm-dialog{box-shadow:0 20px 60px #0006}.confirm-dialog-header{display:flex;align-items:center;justify-content:space-between;padding:20px 20px 0}.confirm-dialog-icon{color:#f59e0b;background:#f59e0b1a;padding:8px;border-radius:8px;display:flex;align-items:center;justify-content:center}.confirm-dialog-close{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;border-radius:4px;transition:all .2s ease}.confirm-dialog-close:hover{color:var(--text-primary);background:var(--bg-secondary)}.confirm-dialog-content{padding:16px 20px 20px}.confirm-dialog-title{margin:0 0 8px;font-size:18px;font-weight:600;color:var(--text-primary);line-height:1.3}.confirm-dialog-message{margin:0;color:var(--text-secondary);line-height:1.5;font-size:14px}.confirm-dialog-actions{display:flex;gap:12px;padding:0 20px 20px;justify-content:flex-end}.confirm-dialog-btn{padding:10px 20px;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease;border:1px solid transparent;min-width:80px}.confirm-dialog-cancel{background:var(--bg-secondary);color:var(--text-secondary);border-color:var(--border)}.confirm-dialog-cancel:hover{background:var(--bg-tertiary);color:var(--text-primary);border-color:var(--border-light)}.confirm-dialog-confirm{color:#fff;font-weight:600}.confirm-dialog-confirm.danger{background:#ef4444;border-color:#dc2626}.confirm-dialog-confirm.danger:hover{background:#dc2626;border-color:#b91c1c}.confirm-dialog-confirm.warning{background:#f59e0b;border-color:#d97706}.confirm-dialog-confirm.warning:hover{background:#d97706;border-color:#b45309}.confirm-dialog-confirm.info{background:var(--accent-primary);border-color:#2563eb}.confirm-dialog-confirm.info:hover{background:#2563eb;border-color:#1d4ed8}@media(max-width:480px){.confirm-dialog-overlay{padding:16px}.confirm-dialog{max-width:none}.confirm-dialog-header{padding:16px 16px 0}.confirm-dialog-content{padding:12px 16px 16px}.confirm-dialog-title{font-size:16px}.confirm-dialog-message{font-size:13px}.confirm-dialog-actions{padding:0 16px 16px;flex-direction:column-reverse}.confirm-dialog-btn{width:100%;justify-content:center}}.streak-indicator{position:relative;display:flex;align-items:center}.streak-button{display:flex;align-items:center;gap:6px;background:none;border:1px solid var(--border);color:var(--text-secondary);padding:8px 12px;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s;min-width:50px;justify-content:center}.streak-button:hover{color:var(--text-primary);border-color:var(--primary)}.streak-button.active{border-color:#f59e0b;color:#f59e0b}.streak-button.inactive{border-color:var(--border);color:var(--text-muted)}.streak-icon.active{color:#f59e0b;animation:flicker 2s ease-in-out infinite alternate}.streak-icon.inactive{color:var(--text-secondary)}@keyframes flicker{0%,to{opacity:1}50%{opacity:.8}}.streak-count{font-weight:600;font-size:14px}.streak-dropdown{position:absolute;top:100%;right:0;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;box-shadow:0 8px 32px #0003;z-index:1000;min-width:120px;margin-top:4px}.streak-option{display:block;width:100%;background:none;border:none;color:var(--text-secondary);padding:12px 16px;text-align:left;font-size:14px;transition:all .2s}.streak-option:hover{background:var(--bg-secondary);color:var(--text-primary)}.streak-option:first-child{border-radius:8px 8px 0 0}.streak-option:last-child{border-radius:0 0 8px 8px}@media(max-width:768px){.streak-dropdown{position:static;box-shadow:none;border:none;background:var(--bg-secondary);border-radius:6px;margin-top:0}}.inbox-dropdown{position:absolute;top:calc(100% + 8px);right:0;width:380px;max-height:500px;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;box-shadow:0 8px 32px #0000001a;z-index:1000;overflow:hidden}[data-theme=dark] .inbox-dropdown{box-shadow:0 8px 32px #0000004d}.inbox-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.inbox-header h3{margin:0;font-size:16px;font-weight:600;color:var(--text-primary)}.message-count{font-size:12px;color:var(--text-secondary);background:var(--bg-secondary);padding:2px 8px;border-radius:12px}.inbox-messages{max-height:400px;overflow-y:auto}.inbox-loading{padding:40px 20px;text-align:center;color:var(--text-secondary);font-size:14px}.inbox-empty{padding:40px 20px;text-align:center;color:var(--text-secondary)}.inbox-empty svg{margin-bottom:12px;opacity:.5}.inbox-empty p{margin:0;font-size:14px}.inbox-message-item{display:flex;align-items:flex-start;gap:12px;padding:16px 20px;border-bottom:1px solid var(--border);cursor:pointer;transition:all .2s ease;position:relative}.inbox-message-item:hover{background:var(--bg-secondary)}.inbox-message-item:last-child{border-bottom:none}.inbox-message-item.unread{background:#3b82f60d;border-left:3px solid var(--accent-primary)}.inbox-message-item.unread .message-title{font-weight:600}.message-icon{color:var(--text-secondary);margin-top:2px;flex-shrink:0}.inbox-message-item.unread .message-icon{color:var(--accent-primary)}.message-content{flex:1;min-width:0}.message-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.message-sender{font-size:12px;font-weight:600;color:var(--accent-primary);text-transform:uppercase;letter-spacing:.5px}.message-date{font-size:11px;color:var(--text-secondary)}.message-title{font-size:14px;color:var(--text-primary);margin-bottom:4px;line-height:1.3}.message-preview{font-size:12px;color:var(--text-secondary);line-height:1.4}.delete-message-btn{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;border-radius:4px;transition:all .2s ease;opacity:0;flex-shrink:0}.inbox-message-item:hover .delete-message-btn{opacity:1}.delete-message-btn:hover{color:var(--error);background:#ef44441a}.inbox-messages::-webkit-scrollbar{width:6px}.inbox-messages::-webkit-scrollbar-track{background:var(--bg-secondary)}.inbox-messages::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.inbox-messages::-webkit-scrollbar-thumb:hover{background:var(--border-light)}@media(max-width:768px){.inbox-dropdown{position:fixed;top:64px;left:16px;right:16px;width:auto;max-height:calc(100vh - 80px)}}@media(max-width:480px){.inbox-dropdown{left:8px;right:8px;top:60px}.inbox-message-item{padding:12px 16px}.message-title{font-size:13px}.message-preview{font-size:11px}}.support-button{position:fixed;width:56px;height:56px;background:var(--accent-primary);color:var(--bg-primary);border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px var(--shadow);transition:background .3s ease,box-shadow .3s ease;z-index:1000;-webkit-user-select:none;user-select:none}.support-button:hover{box-shadow:0 6px 20px var(--shadow-hover);background:var(--accent-secondary)}.support-button:active{box-shadow:0 2px 8px var(--shadow)}.support-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1001;padding:20px}.support-modal{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;width:100%;max-width:500px;max-height:90vh;overflow-y:auto;animation:slideUp .3s ease}.support-header{display:flex;align-items:center;justify-content:space-between;padding:24px 24px 0;border-bottom:1px solid var(--border);margin-bottom:24px}.support-header h3{margin:0;color:var(--text-primary);font-size:20px;font-weight:600}.support-close{background:none;border:none;color:var(--text-secondary);font-size:24px;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:all .2s ease}.support-close:hover{background:var(--bg-tertiary);color:var(--text-primary)}.support-locked{padding:0 24px 24px;text-align:center}.lock-icon{font-size:48px;margin-bottom:16px}.support-locked p{margin:8px 0;color:var(--text-primary);font-size:18px;font-weight:500}.lock-subtitle{color:var(--text-secondary)!important;font-size:14px!important;font-weight:400!important}.support-form{padding:0 24px 24px}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;color:var(--text-primary);font-weight:500;font-size:14px}.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 14px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:14px;transition:all .2s;font-family:inherit;resize:vertical}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--border-light);background:var(--bg-tertiary)}.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-muted)}.form-group small{display:block;margin-top:4px;color:var(--text-muted);font-size:12px;text-align:right}.support-message{padding:12px 16px;border-radius:6px;margin-bottom:16px;font-size:14px;font-weight:500}.support-message.success{background:#22c55e1a;color:var(--success);border:1px solid rgba(34,197,94,.2)}.support-message.error{background:#ef44441a;color:var(--error);border:1px solid rgba(239,68,68,.2)}.support-submit{width:100%;padding:12px 24px;background:var(--accent-primary);color:var(--bg-primary);border:none;border-radius:6px;font-size:15px;font-weight:500;cursor:pointer;transition:all .2s ease;margin-bottom:12px}.support-submit:hover:not(:disabled){background:var(--accent-secondary)}.support-submit:disabled{opacity:.6;cursor:not-allowed}.rate-limit-info{text-align:center;color:var(--text-muted);font-size:12px;margin:0}@media(max-width:1023px){.support-button{display:none}}.support-popup{position:fixed;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;box-shadow:0 4px 12px var(--shadow);z-index:999;animation:slideInUp .3s ease;transform-origin:bottom center;pointer-events:auto}.support-popup:after{content:"";position:absolute;bottom:-8px;left:50%;transform:translate(-50%);width:0;height:0;border-left:8px solid transparent;border-right:8px solid transparent;border-top:8px solid var(--bg-card)}.support-popup:before{content:"";position:absolute;bottom:-9px;left:50%;transform:translate(-50%);width:0;height:0;border-left:9px solid transparent;border-right:9px solid transparent;border-top:9px solid var(--border)}@keyframes slideInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.popup-content{display:flex;align-items:center;gap:12px;padding:12px 16px;min-width:200px}.popup-text{color:var(--text-primary);font-size:14px;font-weight:500;flex:1}.popup-close{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;border-radius:4px;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.popup-close:hover{background:var(--bg-tertiary);color:var(--text-primary)}@media(max-width:1023px){.support-popup{display:none}}.navbar{background:var(--navbar-bg);border-bottom:1px solid var(--border);padding:0;position:sticky;top:0;z-index:1000;-webkit-backdrop-filter:var(--navbar-backdrop);backdrop-filter:var(--navbar-backdrop)}.nav-content{display:flex;justify-content:space-between;align-items:center;height:64px;gap:24px}.logo{font-size:18px;font-weight:600;color:var(--text-primary);text-decoration:none;letter-spacing:-.3px}.nav-links{display:flex;gap:4px;align-items:center}.nav-links a{color:var(--text-secondary);text-decoration:none;font-weight:500;font-size:14px;padding:8px 14px;border-radius:6px;transition:all .2s}.nav-links a:hover{color:var(--text-primary);background:var(--bg-secondary)}.nav-auth{display:flex;gap:8px;align-items:center;margin-left:16px;padding-left:16px;border-left:1px solid var(--border)}.nav-auth .btn{padding:8px 16px;font-size:14px;display:flex;align-items:center;gap:6px}.mobile-menu-btn{display:none;background:none;border:none;padding:8px;cursor:pointer}.menu-icon{display:block;width:20px;height:2px;background:var(--text-primary);position:relative}.menu-icon:before,.menu-icon:after{content:"";position:absolute;width:20px;height:2px;background:var(--text-primary);left:0;transition:all .2s}.menu-icon:before{top:-6px}.menu-icon:after{top:6px}@media(max-width:768px){.mobile-menu-btn{display:block}.nav-links{position:fixed;top:64px;left:0;right:0;background:var(--bg-primary);flex-direction:column;padding:16px;gap:4px;border-bottom:1px solid var(--border);transform:translateY(-100%);opacity:0;transition:all .3s;pointer-events:none}.nav-links.active{transform:translateY(0);opacity:1;pointer-events:all}.nav-links a{width:100%;text-align:left;padding:12px 16px}.nav-auth{width:100%;margin-left:0;padding-left:0;border-left:none;border-top:1px solid var(--border);padding-top:8px;margin-top:8px}.nav-auth .btn{flex:1}}.language-selector{position:relative}.lang-btn{display:flex;align-items:center;gap:6px;background:none;border:1px solid var(--border);color:var(--text-secondary);padding:8px 12px;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s}.lang-btn:hover{color:var(--text-primary);border-color:var(--primary)}.lang-dropdown{position:absolute;top:100%;right:0;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;box-shadow:0 8px 32px #0003;z-index:1000;min-width:120px;margin-top:4px}.lang-dropdown button{display:block;width:100%;background:none;border:none;color:var(--text-secondary);padding:12px 16px;text-align:left;cursor:pointer;font-size:14px;transition:all .2s}.lang-dropdown button:hover{background:var(--bg-secondary);color:var(--text-primary)}.lang-dropdown button.active{color:var(--primary);background:#3b82f61a}.lang-dropdown button:first-child{border-radius:8px 8px 0 0}.lang-dropdown button:last-child{border-radius:0 0 8px 8px}.profile-selector{position:relative}.profile-btn{display:flex;align-items:center;gap:8px;background:none;border:1px solid var(--border);color:var(--text-secondary);padding:8px 12px;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s;min-width:120px}.profile-btn:hover{color:var(--text-primary);border-color:var(--border-light)}.profile-dropdown{position:absolute;top:100%;right:0;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;box-shadow:0 8px 32px #0003;z-index:1000;min-width:140px;margin-top:4px}.profile-dropdown button,.profile-dropdown a{display:flex;align-items:center;gap:8px;width:100%;background:none;border:none;color:var(--text-secondary);padding:12px 16px;text-align:left;cursor:pointer;font-size:14px;transition:all .2s;border-radius:8px;text-decoration:none}.profile-dropdown button:hover,.profile-dropdown a:hover{background:var(--bg-secondary);color:var(--text-primary)}@media(max-width:768px){.nav-auth{flex-direction:column;gap:8px}.language-selector{order:-1}.profile-selector{order:1;width:100%}.profile-btn{width:100%;justify-content:space-between}.inbox-container{order:2;width:100%}.inbox-btn{width:100%;justify-content:center}.lang-dropdown,.profile-dropdown{position:static;box-shadow:none;border:none;background:var(--bg-secondary);border-radius:6px;margin-top:0}}.nav-link-new{position:relative;display:flex;align-items:center;gap:8px}.new-badge{background:linear-gradient(45deg,#ff6b6b,#4ecdc4,#45b7d1,#96ceb4,#feca57);background-size:300% 300%;color:#fff;font-size:10px;font-weight:700;padding:3px 7px;border-radius:6px;letter-spacing:.5px;text-shadow:0 1px 2px rgba(0,0,0,.3);box-shadow:0 2px 8px #0003;animation:gradientShift 3s ease-in-out infinite,bounce 2s ease-in-out infinite;position:relative;overflow:hidden}.new-badge:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);animation:shine 2s ease-in-out infinite}@keyframes gradientShift{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}@keyframes bounce{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-2px) scale(1.05)}}@keyframes shine{0%{left:-100%}to{left:100%}}.theme-btn{display:flex;align-items:center;gap:6px;background:none;border:1px solid var(--border);color:var(--text-secondary);padding:8px 12px;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s}.theme-btn:hover{color:var(--text-primary);border-color:var(--border-light)}.inbox-btn{display:flex;align-items:center;justify-content:center;background:none;border:1px solid var(--border);color:var(--text-secondary);padding:8px;border-radius:6px;cursor:pointer;transition:all .2s;position:relative}.inbox-btn:hover{color:var(--text-primary);border-color:var(--border-light);background:var(--bg-secondary)}.inbox-container{position:relative}.inbox-badge{position:absolute;top:-6px;right:-6px;background:#ef4444;color:#fff;font-size:10px;font-weight:600;padding:2px 5px;border-radius:10px;min-width:16px;height:16px;display:flex;align-items:center;justify-content:center;line-height:1}.practice-dropdown-container{position:relative;display:inline-block}.nav-link-with-dropdown{color:var(--text-secondary);text-decoration:none;font-size:14px;font-weight:500;transition:color .2s;display:flex;align-items:center;gap:4px;padding:8px 12px;border-radius:6px}.nav-link-with-dropdown:hover{color:var(--text-primary);background:var(--bg-secondary)}.dropdown-icon{transition:transform .3s ease}.practice-dropdown-container:hover .dropdown-icon{transform:rotate(180deg)}.practice-dropdown{position:absolute;top:100%;left:0;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;min-width:280px;box-shadow:0 8px 32px #00000026;z-index:1000;animation:dropdown-appear .2s ease-out;overflow:hidden;margin-top:-4px;padding-top:8px}@keyframes dropdown-appear{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.practice-dropdown-item{display:flex;align-items:center;gap:12px;padding:14px 16px;text-decoration:none;transition:all .2s ease;border-bottom:1px solid var(--border)}.practice-dropdown-item:last-child{border-bottom:none}.practice-dropdown-item:hover{background:var(--bg-secondary)}.practice-item-icon{color:var(--text-secondary);flex-shrink:0;transition:color .2s ease}.practice-dropdown-item:hover .practice-item-icon{color:var(--text-primary)}.practice-item-content{flex:1}.practice-item-title{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:2px}.practice-item-desc{font-size:12px;color:var(--text-secondary);line-height:1.3}@media(max-width:768px){.practice-dropdown-container{width:100%}.nav-link-with-dropdown{width:100%;justify-content:space-between}.practice-dropdown{position:static;box-shadow:none;border:none;border-radius:0;margin-top:0;background:var(--bg-secondary);padding:8px 0}.practice-dropdown-item{padding:12px 24px}}.profile-dropdown-header{padding:12px 16px;background:var(--bg-secondary);border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.profile-dropdown-user{display:flex;align-items:center;gap:8px;color:var(--text-primary);font-weight:600}.profile-dropdown-gold{display:flex;align-items:center;gap:6px;padding:6px 12px;background:linear-gradient(135deg,#eab30833,#eab3081a);border:1px solid rgba(234,179,8,.3);border-radius:6px}.profile-dropdown-gold .gold-icon{color:#eab308}.profile-dropdown-gold .gold-amount{font-weight:700;color:#eab308;font-size:.9375rem}.profile-dropdown-divider{height:1px;background:var(--border);margin:0}.profile-dropdown-gold-item{display:flex;align-items:center;gap:8px;padding:12px 16px;color:var(--text-secondary);font-size:14px;border-top:1px solid var(--border);background:var(--bg-secondary);text-decoration:none;transition:all .2s;border-radius:0 0 8px 8px}.profile-dropdown-gold-item:hover{background:var(--bg-primary);color:var(--text-primary)}.profile-dropdown-gold-item .gold-icon{color:#eab308}.profile-dropdown-gold-item span{font-weight:600;color:#eab308}.inventory-container{position:relative}.inventory-btn{display:flex;align-items:center;justify-content:center;background:none;border:1px solid var(--border);color:var(--text-secondary);padding:8px;border-radius:6px;cursor:pointer;transition:all .2s;position:relative}.inventory-btn:hover{color:var(--text-primary);border-color:var(--border-light);background:var(--bg-secondary)}.inventory-badge{position:absolute;top:-6px;right:-6px;background:#10b981;color:#fff;font-size:10px;font-weight:600;padding:2px 5px;border-radius:10px;min-width:16px;height:16px;display:flex;align-items:center;justify-content:center;line-height:1}.inventory-dropdown{position:absolute;top:100%;right:0;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;box-shadow:0 8px 32px #00000026;z-index:1000;min-width:280px;max-width:320px;margin-top:4px;overflow:hidden}.inventory-header{display:flex;align-items:center;gap:8px;padding:16px;background:var(--bg-secondary);border-bottom:1px solid var(--border);font-weight:600;color:var(--text-primary)}.inventory-items{max-height:300px;overflow-y:auto}.inventory-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border);transition:background .2s}.inventory-item:hover{background:var(--bg-secondary)}.inventory-item:last-child{border-bottom:none}.inventory-item-icon{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);border-radius:8px;color:var(--primary)}.inventory-item-info{flex:1;display:flex;flex-direction:column;gap:2px}.inventory-item-name{font-size:.875rem;font-weight:600;color:var(--text-primary)}.inventory-item-quantity{font-size:.75rem;color:var(--text-secondary)}.inventory-use-btn{background:var(--primary);color:#fff;border:none;padding:6px 12px;border-radius:6px;font-size:.75rem;font-weight:600;cursor:pointer;transition:all .2s}.inventory-use-btn:hover{background:var(--primary-hover);transform:translateY(-1px)}.inventory-use-btn.disabled{background:var(--text-secondary)!important;color:var(--bg-primary)!important;cursor:not-allowed;opacity:.7;pointer-events:none}.inventory-use-btn.disabled:hover{background:var(--text-secondary)!important;transform:none!important}.inventory-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 16px;color:var(--text-secondary);text-align:center}.inventory-empty svg{opacity:.5;margin-bottom:8px}.inventory-empty p{margin:0;font-size:.875rem}@media(max-width:768px){.inventory-dropdown{position:static;box-shadow:none;border:none;border-radius:0;margin-top:0;background:var(--bg-secondary)}.inventory-container{order:3;width:100%}.inventory-btn{width:100%;justify-content:center}}.active-boosts-section{border-bottom:1px solid var(--border);margin-bottom:8px}.active-boosts-header{padding:12px 16px 8px;font-size:.75rem;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.active-boost-item{display:flex;align-items:center;gap:12px;padding:8px 16px 12px;background:linear-gradient(135deg,#3b82f61a,#3b82f60d);border-left:3px solid var(--primary)}.boost-icon{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:var(--primary);border-radius:6px;color:#fff}.boost-info{flex:1;display:flex;flex-direction:column;gap:2px}.boost-name{font-size:.875rem;font-weight:600;color:var(--primary)}.boost-timer{font-size:.75rem;color:var(--text-secondary);font-weight:500}.inventory-use-btn.disabled{background:var(--bg-secondary);color:var(--primary);cursor:not-allowed;opacity:.6}.inventory-use-btn{color:var(--text-primary)}.inventory-use-btn.disabled:hover{background:var(--text-primary);transform:none}.navbar-dialog-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:10001;animation:fadeIn .2s ease-out}.navbar-dialog{background:var(--bg-card);border-radius:16px;box-shadow:0 20px 60px #0000004d;max-width:400px;width:90%;animation:slideIn .3s ease-out;overflow:hidden}.navbar-dialog-header{padding:24px 24px 16px;display:flex;align-items:center;gap:12px}.navbar-dialog-header.success{background:linear-gradient(135deg,#22c55e1a,#22c55e0d);border-bottom:1px solid rgba(34,197,94,.2)}.navbar-dialog-header.error{background:linear-gradient(135deg,#ef44441a,#ef44440d);border-bottom:1px solid rgba(239,68,68,.2)}.navbar-dialog-icon{font-size:1.5rem;line-height:1}.navbar-dialog-title{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin:0}.navbar-dialog-body{padding:0 24px 24px}.navbar-dialog-body p{font-size:1rem;color:var(--text-secondary);line-height:1.5;margin:0}.navbar-dialog-footer{padding:16px 24px 24px;display:flex;justify-content:flex-end}.navbar-dialog-footer .btn{min-width:80px}[data-theme=dark] .navbar-dialog-overlay{background:#000000b3}[data-theme=dark] .navbar-dialog{box-shadow:0 20px 60px #0009}.practice-dropdown-item--scripts .practice-item-icon{color:var(--text-secondary)}.practice-item-title{display:flex;align-items:center;gap:7px}.practice-new-badge{display:inline-flex;align-items:center;padding:2px 6px;border-radius:4px;font-size:10px;font-weight:700;letter-spacing:.3px;background:var(--accent-primary);border:1px solid var(--accent-primary);color:#fff}.ft-root{border-top:1px solid var(--border);background:var(--bg-primary);margin-top:80px}.ft-container{max-width:1100px;margin:0 auto;padding:0 24px}.ft-top{display:flex;align-items:flex-start;justify-content:space-between;gap:48px;padding:52px 0 40px}.ft-brand{display:flex;flex-direction:column;gap:10px;max-width:280px}.ft-logo{font-size:15px;font-weight:700;color:var(--text-primary);letter-spacing:.5px}.ft-desc{font-size:13px;color:var(--text-muted);line-height:1.6;margin:0}.ft-cols{display:flex;gap:56px;flex-shrink:0}.ft-col{display:flex;flex-direction:column;gap:10px}.ft-col-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);margin-bottom:4px}.ft-link{font-size:13px;color:var(--text-secondary);text-decoration:none;transition:color .15s;width:fit-content}.ft-link:hover{color:var(--text-primary)}.ft-bottom{display:flex;align-items:center;justify-content:space-between;padding:18px 0;border-top:1px solid var(--border);font-size:12px;color:var(--text-muted)}@media(max-width:640px){.ft-top{flex-direction:column;gap:32px;padding:40px 0 32px}.ft-brand{max-width:100%}.ft-cols{gap:36px}.ft-bottom{flex-direction:column;gap:6px;text-align:center}}.hero-root{background:var(--bg-primary)}.h-container{max-width:1100px;margin:0 auto;padding:0 24px}.h-hero{padding:100px 0 80px;text-align:center;border-bottom:1px solid var(--border)}.h-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border:1px solid var(--border);border-radius:999px;font-size:12px;font-weight:500;color:var(--text-muted);margin-bottom:28px}.h-title{font-size:clamp(38px,6vw,68px);font-weight:700;color:var(--text-primary);line-height:1.1;letter-spacing:-1.5px;margin:0 0 20px}.h-sub{font-size:clamp(15px,2vw,18px);color:var(--text-secondary);max-width:520px;margin:0 auto 36px;line-height:1.65}.h-cta{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:32px}.h-btn-primary{display:inline-flex;align-items:center;gap:7px;padding:12px 24px;background:var(--accent-primary);color:var(--bg-primary);border-radius:8px;font-size:14px;font-weight:600;text-decoration:none;transition:opacity .2s}.h-btn-primary:hover{opacity:.85}.h-btn-secondary{display:inline-flex;align-items:center;padding:12px 24px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-weight:500;color:var(--text-primary);text-decoration:none;transition:border-color .2s,background .2s}.h-btn-secondary:hover{border-color:var(--border-light);background:var(--bg-secondary)}.h-btn-season{display:inline-flex;align-items:center;gap:6px;padding:12px 20px;background:#ef444414;border:1px solid rgba(239,68,68,.2);border-radius:8px;font-size:14px;font-weight:600;color:#ef4444;text-decoration:none;transition:background .2s}.h-btn-season:hover{background:#ef444424}.h-stats{display:inline-flex;align-items:center;gap:0;border:1px solid var(--border);border-radius:10px;overflow:hidden;background:var(--bg-card)}.h-stat{display:flex;flex-direction:column;align-items:center;padding:12px 28px;gap:2px}.h-stat-num{font-size:20px;font-weight:700;color:var(--text-primary);letter-spacing:-.5px;line-height:1}.h-stat-label{font-size:11px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.6px}.h-stat-divider{width:1px;height:36px;background:var(--border);flex-shrink:0}.h-section{padding:80px 0;border-bottom:1px solid var(--border)}.h-section-alt{background:var(--bg-secondary)}.h-section-header{text-align:center;margin-bottom:48px}.h-section-header-row{display:flex;align-items:flex-end;justify-content:space-between;text-align:left;margin-bottom:40px}.h-section-title{font-size:clamp(22px,3vw,30px);font-weight:700;color:var(--text-primary);margin:0 0 8px;letter-spacing:-.5px}.h-section-sub{font-size:15px;color:var(--text-secondary);margin:0}.h-view-all{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:500;color:var(--text-secondary);text-decoration:none;white-space:nowrap;transition:color .2s;flex-shrink:0}.h-view-all:hover{color:var(--text-primary)}.h-tracks{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.h-track-card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:28px 24px;display:flex;flex-direction:column;gap:0;transition:border-color .2s,box-shadow .2s}.h-track-card:hover{border-color:var(--border-light);box-shadow:0 4px 20px var(--shadow)}.h-track-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.h-track-circle{width:52px;height:52px;border-radius:50%;background:var(--bg-secondary);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--accent-primary);transition:background .2s}.h-track-card:hover .h-track-circle{background:var(--bg-tertiary)}.h-track-num{font-size:12px;font-weight:700;color:var(--text-muted);letter-spacing:1px}.h-track-title{font-size:17px;font-weight:600;color:var(--text-primary);margin:0 0 10px}.h-track-desc{font-size:14px;color:var(--text-secondary);line-height:1.65;margin:0 0 18px;flex:1}.h-track-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px}.h-tag{font-size:11px;font-weight:500;padding:3px 9px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:999px;color:var(--text-muted)}.h-track-actions{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid var(--border)}.h-track-primary{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:600;color:var(--accent-primary);text-decoration:none;transition:opacity .2s}.h-track-primary:hover{opacity:.7}.h-track-secondary{font-size:13px;color:var(--text-muted);text-decoration:none;transition:color .2s}.h-track-secondary:hover{color:var(--text-secondary)}.h-exams{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.h-exam-card{display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:16px;padding:20px 24px;background:var(--bg-card);border:1px solid var(--border);border-radius:10px;text-decoration:none;transition:border-color .2s,background .2s}.h-exam-card:hover{border-color:var(--border-light);background:var(--bg-tertiary)}.h-exam-meta{font-size:10px;font-weight:700;letter-spacing:.8px;color:var(--text-muted);white-space:nowrap}.h-exam-title{font-size:15px;font-weight:600;color:var(--text-primary);margin:0}.h-exam-info{font-size:12px;color:var(--text-muted);white-space:nowrap}.h-exam-arrow{color:var(--text-muted);display:flex;align-items:center;transition:transform .2s}.h-exam-card:hover .h-exam-arrow{transform:translate(3px)}.h-benefits{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:700px;margin:0 auto}.h-benefits-col{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:28px 24px}.h-benefits-col-featured{border-color:var(--border-light)}.h-benefits-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);margin-bottom:20px}.h-benefits-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}.h-benefit-item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-secondary)}.h-benefit-item.yes svg{color:var(--success)}.h-benefit-item.no{opacity:.45}.h-benefit-item.no svg{color:var(--error)}.h-register-btn{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:24px;padding:11px 20px;background:var(--accent-primary);color:var(--bg-primary);border-radius:8px;font-size:14px;font-weight:600;text-decoration:none;transition:opacity .2s}.h-register-btn:hover{opacity:.85}@media(max-width:900px){.h-tracks{grid-template-columns:1fr;max-width:480px;margin:0 auto}}@media(max-width:768px){.h-hero{padding:72px 0 56px}.h-section{padding:56px 0}.h-exams{grid-template-columns:1fr}.h-exam-card{grid-template-columns:1fr auto;grid-template-rows:auto auto}.h-exam-meta{grid-column:1;grid-row:1}.h-exam-title{grid-column:1;grid-row:2}.h-exam-info{display:none}.h-exam-arrow{grid-column:2;grid-row:1 / 3}.h-section-header-row{flex-direction:column;align-items:flex-start;gap:12px;text-align:left}.h-benefits{grid-template-columns:1fr}}@media(max-width:480px){.h-cta{flex-direction:column;align-items:stretch}.h-btn-primary,.h-btn-secondary,.h-btn-season{justify-content:center}.h-title{letter-spacing:-1px}.h-stat{padding:10px 18px}.h-stat-num{font-size:17px}}.grile-page{padding:80px 0;min-height:calc(100vh - 200px)}.grile-header{max-width:100%;text-align:center;margin:20px auto 40px}.grile-header h1{font-size:36px;font-weight:600;margin-bottom:24px;letter-spacing:-.5px}.filter-tabs{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.filter-tab{display:flex;align-items:center;gap:8px;padding:12px 24px;background:var(--bg-primary);border:2px solid var(--border);border-radius:8px;font-size:15px;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:all .2s ease}.filter-tab:hover{border-color:var(--border-light);background:var(--bg-tertiary);color:var(--text-primary)}.filter-tab.active{border-color:var(--accent-primary);background:var(--bg-tertiary);color:var(--accent-primary)}.compact-cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(380px,1fr));gap:20px;margin-bottom:40px}.compact-card{background:var(--bg-card);border:2px solid var(--border);border-radius:12px;padding:24px;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden;display:flex;flex-direction:column}.compact-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--card-color);opacity:0;transition:opacity .3s ease}.compact-card:hover{border-color:var(--card-color);transform:translateY(-4px);box-shadow:0 12px 40px #00000026}.compact-card:hover:before{opacity:1}.compact-card.daily-completed{border-color:var(--success);opacity:.7;cursor:not-allowed;pointer-events:none}.compact-card.daily-completed:before{background:var(--success);opacity:1}.compact-card.exam-card:before{background:#3b82f6;opacity:1}.compact-card-header{display:flex;align-items:flex-start;gap:16px;margin-bottom:20px}.compact-card-icon{flex-shrink:0;width:48px;height:48px;display:flex;align-items:center;justify-content:center;border:2px solid var(--card-color);border-radius:10px;color:var(--card-color);transition:all .3s ease}.compact-card:hover .compact-card-icon{background:var(--card-color);color:#fff;border-color:var(--card-color);transform:scale(1.1)}.compact-card-info{flex:1}.compact-card-info h3{font-size:18px;font-weight:600;color:var(--text-primary);margin:0 0 6px;line-height:1.3}.compact-card-info p{font-size:14px;color:var(--text-secondary);margin:0;line-height:1.4}.compact-status{flex-shrink:0;padding:6px 12px;border-radius:6px;font-size:12px;font-weight:600;background:var(--bg-secondary);border:1px solid var(--border)}.compact-status.completed{background:#22c55e1a;color:var(--success);border-color:var(--success)}.compact-status.available{background:#f59e0b1a;color:#f59e0b;border-color:#f59e0b}.compact-status.exam{background:#3b82f61a;color:#3b82f6;border-color:#3b82f6}.compact-stats{display:flex;align-items:center;gap:16px;padding:16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;position:relative;margin-top:auto}.compact-stat{display:flex;flex-direction:column;align-items:center;gap:4px}.compact-stat .stat-value{font-size:24px;font-weight:700;color:var(--text-primary);line-height:1}.compact-stat .stat-label{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-weight:600}.compact-stat-divider{width:1px;height:32px;background:var(--border)}.compact-progress-bar{position:absolute;bottom:0;left:0;right:0;height:4px;background:var(--bg-primary);border-radius:0 0 8px 8px;overflow:hidden}.compact-progress-fill{height:100%;transition:width .3s ease}.compact-count{padding:12px 16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;text-align:center;font-size:14px;color:var(--text-secondary);font-weight:500;margin-top:auto}.compact-daily-info{padding:12px 16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;text-align:center;margin-top:auto}.daily-next{font-size:13px;color:var(--text-secondary);font-weight:500}.daily-bonus{font-size:13px;color:#f59e0b;font-weight:600}.compact-reset-btn{margin-top:16px;margin-bottom:12px;width:100%;padding:10px 16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;font-size:13px;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:all .2s ease}.compact-reset-btn:hover:not(:disabled){background:var(--bg-tertiary);border-color:var(--border-light);color:var(--text-primary)}.compact-reset-btn:disabled{opacity:.5;cursor:not-allowed;color:var(--text-muted)}@media(max-width:768px){.compact-cards-grid{grid-template-columns:1fr;gap:16px}.filter-tabs{gap:8px}.filter-tab{padding:10px 16px;font-size:14px}.compact-card{padding:20px}.compact-card-icon{width:40px;height:40px}}.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:24px}.question-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:32px;transition:all .2s;display:flex;flex-direction:column}.question-card:hover{border-color:var(--border-light)}.question-card.daily-completed{border-color:var(--success);background:#22c55e0d}.question-card.daily-completed:hover{border-color:var(--success);background:#22c55e14}.question-card.exam-card{border-color:#3b82f6;background:#3b82f60d}.question-card.exam-card:hover{border-color:#3b82f6;background:#3b82f614}.exam-status{padding:4px 10px;border-radius:4px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;background:#3b82f61a;color:#3b82f6;border:1px solid rgba(59,130,246,.2)}.exam-info{margin:16px 0;padding:16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px}.exam-features{display:flex;justify-content:space-between;align-items:center}.exam-feature{font-size:13px;color:var(--text-secondary)}.daily-status{padding:4px 10px;border-radius:4px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.daily-status.completed{background:#22c55e1a;color:var(--success);border:1px solid rgba(34,197,94,.2)}.daily-status.available{background:#f59e0b1a;color:#f59e0b;border:1px solid rgba(245,158,11,.2)}.daily-info{margin:16px 0;padding:16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px}.daily-completed-info{display:flex;flex-direction:column;gap:6px;text-align:center}.completed-text{font-size:14px;font-weight:600;color:var(--success)}.next-reset{font-size:12px;color:var(--text-secondary)}.daily-available-info{display:flex;justify-content:space-between;align-items:center}.bonus-text{font-size:13px;font-weight:600;color:#f59e0b}.questions-count{font-size:13px;color:var(--text-secondary)}.auth-required-message{margin-top:16px;padding:12px 16px;background:#ef44441a;border:1px solid rgba(239,68,68,.2);border-radius:6px;color:var(--error);font-size:14px;font-weight:500;text-align:center}.card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px;gap:16px}.question-card h2{font-size:22px;font-weight:600;margin:0;letter-spacing:-.3px;line-height:1.3}.question-count{font-size:12px;color:var(--text-muted);white-space:nowrap;padding:4px 10px;background:var(--bg-secondary);border-radius:4px;border:1px solid var(--border)}.question-card p{color:var(--text-secondary);margin-bottom:28px;line-height:1.6;font-size:15px;flex-grow:1;display:block}.card-actions{display:flex;gap:10px;margin-top:auto}.card-actions .btn{flex:1;font-size:15px;padding:13px 20px}.btn-full{width:100%}.progress-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:6px;overflow:hidden;margin-bottom:24px}.progress-stat{background:var(--bg-secondary);padding:16px 12px;text-align:center;display:flex;flex-direction:column;gap:8px}.progress-stat .stat-value{font-size:24px;font-weight:600;color:var(--text-primary);line-height:1;display:block}.progress-stat .stat-label{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-weight:600;display:block}.question-count-badge{padding:16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;text-align:center;color:var(--text-secondary);font-size:14px;margin-bottom:24px}.modal-overlay{position:fixed;inset:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:2000;padding:20px}.modal-content{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:40px;max-width:600px;width:100%;max-height:90vh;overflow-y:auto}.modal-content h2{font-size:28px;margin-bottom:12px}.modal-content>p{color:var(--text-secondary);margin-bottom:32px;font-size:16px}.modal-actions{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}.modal-option{padding:24px;background:var(--bg-secondary);border:2px solid var(--border);border-radius:8px;text-decoration:none;transition:all .2s;cursor:pointer}.modal-option:hover{border-color:var(--border-light);background:var(--bg-tertiary)}.modal-option-highlight{border-color:var(--accent-primary);background:var(--bg-tertiary)}.modal-option h3{font-size:18px;margin-bottom:8px;color:var(--text-primary)}.modal-option p{font-size:14px;color:var(--text-secondary);margin:0}.modal-large{max-width:700px}.modal-section{margin-bottom:32px}.section-title{font-size:14px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:16px}.mode-options{display:flex;flex-direction:column;gap:10px}.mode-option{padding:18px 20px;background:var(--bg-secondary);border:2px solid var(--border);border-radius:8px;text-align:left;cursor:pointer;transition:all .2s;width:100%}.mode-option:hover{border-color:var(--border-light);background:var(--bg-tertiary)}.mode-option.selected{border-color:var(--accent-primary);background:var(--bg-tertiary)}.mode-title{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.mode-desc{font-size:13px;color:var(--text-secondary)}.tags-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}.tag-option{padding:10px 16px;background:var(--bg-secondary);border:2px solid var(--border);border-radius:6px;font-size:13px;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:all .2s;text-align:center}.tag-option:hover{border-color:var(--border-light);background:var(--bg-tertiary)}.tag-option.selected{border-color:var(--tag-color);color:var(--tag-color)}.optional-label{font-size:13px;font-weight:500;color:var(--text-muted);margin-left:6px}.tag-helper{margin-top:12px;font-size:13px;color:var(--text-secondary)}.tag-helper.error{color:var(--error);font-weight:600}.acadnet-option{margin-top:14px}.acadnet-toggle{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:14px;font-weight:500;color:var(--text)}.acadnet-toggle input[type=checkbox]{width:16px;height:16px;cursor:pointer;accent-color:var(--primary, #f59e0b)}.acadnet-note{margin-top:6px;font-size:14px;color:var(--text-muted)}.selected-tags-info{margin-top:12px;font-size:13px;color:var(--text-muted);text-align:center}.modal-footer{display:flex;gap:12px;margin-top:32px;padding-top:24px;border-top:1px solid var(--border)}.modal-footer .btn{flex:1}@media(max-width:768px){.tags-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}.modal-footer{flex-direction:column-reverse}.modal-footer .btn{width:100%}}.card-category{padding:4px 10px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:4px;font-size:11px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-weight:600;white-space:nowrap;flex-shrink:0}.categories-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px}.category-stat-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;padding:16px;text-align:center;display:flex;flex-direction:column;gap:12px}.category-name{font-size:13px;font-weight:600;color:var(--text-primary);text-transform:uppercase;letter-spacing:.5px;display:block}.category-progress{display:flex;flex-direction:column;gap:8px}.progress-text{font-size:14px;color:var(--text-secondary);font-weight:500;display:block}.mini-progress-bar{height:6px;background:var(--bg-primary);border-radius:3px;overflow:hidden;border:1px solid var(--border)}.mini-progress-fill{height:100%;background:var(--accent-primary);transition:width .3s}.category-total{font-size:13px;color:var(--text-muted);display:block}.info-box{padding:14px 16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;font-size:14px;color:var(--text-secondary)}.info-box strong{color:var(--text-primary)}@media(max-width:768px){.grile-page{padding:60px 0}.grile-header{margin-bottom:40px}.cards-grid{grid-template-columns:1fr;gap:20px}.question-card{padding:28px}.card-header{flex-direction:column;gap:12px;align-items:flex-start}.card-actions{flex-direction:column}.card-actions .btn{width:100%}}.card-actions{display:flex;flex-direction:column;gap:8px}.reset-stats-btn{font-size:14px;opacity:.9;background:var(--bg-tertiary)!important;border-color:var(--border-light)!important;color:var(--text-primary)!important}.reset-stats-btn:hover:not(:disabled){background:var(--border-light)!important;border-color:var(--text-muted)!important}.reset-stats-btn:disabled{opacity:.5;cursor:not-allowed;background:var(--bg-secondary)!important;border-color:var(--border)!important;color:var(--text-muted)!important}} .reset-modal-body{padding:20px 0}.reset-info{background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;padding:16px;margin-bottom:20px}.reset-info p{margin:8px 0;color:var(--text-secondary);font-size:14px;line-height:1.5}.reset-info strong{color:var(--text-primary)}.reset-stats{display:flex;flex-direction:column;gap:12px}.stat-item{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:6px}.stat-label{color:var(--text-secondary);font-size:16px}.reset-stats .stat-value{color:var(--text-primary);font-weight:500;font-size:20px}.stat-status.eligible{color:var(--success);font-weight:600}.stat-status.not-eligible{color:var(--error);font-weight:600}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.modal-header h3{margin:0;color:var(--text-primary);font-size:20px;font-weight:600}.modal-close{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;border-radius:4px;transition:all .2s ease}.modal-close:hover{background:var(--bg-tertiary);color:var(--text-primary)}. daily-loading-info{display:flex;justify-content:center;align-items:center;padding:16px}.loading-text{font-size:14px;color:var(--text-secondary);font-style:italic}.main-card-container{margin-bottom:48px}.main-question-card{background:var(--bg-card);border:2px solid var(--border);border-radius:16px;padding:40px;position:relative;overflow:hidden}.main-question-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#f59e0b,#3b82f6,#8b5cf6)}.main-card-header{text-align:center;margin-bottom:32px}.main-card-title{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:12px}.main-card-title h2{font-size:32px;font-weight:700;color:var(--text-primary);margin:0}.main-card-badge{background:linear-gradient(45deg,#f59e0b,#3b82f6);color:#fff;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600;letter-spacing:.5px}.main-card-desc{font-size:18px;color:var(--text-secondary);margin:0}.main-categories-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:32px}.main-category-card{background:var(--bg-secondary);border:2px solid var(--border);border-radius:12px;padding:24px;text-align:center;transition:all .3s ease;position:relative}.main-category-card.clickable{cursor:pointer}.main-category-card:hover{border-color:var(--category-color);transform:translateY(-2px);box-shadow:0 8px 32px #0000001a}.main-category-card.clickable:hover{background:var(--bg-tertiary);box-shadow:0 12px 40px #00000026}.main-category-card.clickable:active{transform:translateY(0)}.category-icon{font-size:32px;margin-bottom:12px}.category-info h3{font-size:18px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.category-stats{display:flex;align-items:center;justify-content:center;gap:4px}.solved-count{font-size:20px;font-weight:700;color:var(--category-color)}.total-count{font-size:16px;color:var(--text-secondary)}.category-total{font-size:14px;color:var(--text-secondary)}.main-card-actions{text-align:center}.btn-large{padding:16px 48px;font-size:16px;font-weight:600}.tag-option.enhanced{display:flex;align-items:center;gap:12px;padding:16px;text-align:left;min-height:80px}.tag-icon{font-size:24px;flex-shrink:0}.tag-content{flex:1}.tag-label{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.tag-desc{font-size:12px;color:var(--text-secondary);line-height:1.3}.tag-option.enhanced.selected{background:rgba(var(--tag-color-rgb),.1);border-color:var(--tag-color)}.tag-option.enhanced.selected .tag-label{color:var(--tag-color)}@media(max-width:768px){.main-question-card{padding:24px}.main-card-title{flex-direction:column;gap:8px}.main-card-title h2{font-size:24px}.main-categories-grid{grid-template-columns:1fr;gap:16px}.tag-option.enhanced{padding:12px;min-height:60px}.tag-icon{font-size:20px}}.result-modal{text-align:center;max-width:400px;padding:2rem}.result-modal-icon{width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:32px;font-weight:700;margin:0 auto 1.5rem;color:#fff}.result-modal-icon.success{background:linear-gradient(135deg,#22c55e,#16a34a)}.result-modal-icon.error{background:linear-gradient(135deg,#ef4444,#dc2626)}.result-modal-title{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin-bottom:.75rem}.result-modal-message{font-size:1rem;color:var(--text-secondary);margin-bottom:1.5rem;line-height:1.5}.result-modal-btn{min-width:120px}.compact-card-skeleton{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:24px;cursor:default;animation:grile-fadeIn .3s ease-in}[data-theme=light] .compact-card-skeleton{background:#fff;border-color:#d1d5db}@keyframes grile-fadeIn{0%{opacity:0}to{opacity:1}}.skeleton-compact-header{display:flex;gap:16px;margin-bottom:20px}.skeleton-compact-icon{width:48px;height:48px;background:var(--bg-secondary);border-radius:10px;flex-shrink:0;position:relative;overflow:hidden}[data-theme=light] .skeleton-compact-icon{background:#e5e7eb}.skeleton-compact-icon:after,.skeleton-compact-title:after,.skeleton-compact-desc:after,.skeleton-compact-stat:after,.skeleton-compact-progress:after{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);animation:grile-shimmer 1.5s infinite}[data-theme=light] .skeleton-compact-icon:after,[data-theme=light] .skeleton-compact-title:after,[data-theme=light] .skeleton-compact-desc:after,[data-theme=light] .skeleton-compact-stat:after,[data-theme=light] .skeleton-compact-progress:after{background:linear-gradient(90deg,transparent,rgba(255,255,255,.6),transparent)}@keyframes grile-shimmer{0%{left:-100%}to{left:100%}}.skeleton-compact-info{flex:1;display:flex;flex-direction:column;gap:10px}.skeleton-compact-title{height:20px;width:70%;background:var(--bg-secondary);border-radius:6px;position:relative;overflow:hidden}[data-theme=light] .skeleton-compact-title{background:#e5e7eb}.skeleton-compact-desc{height:16px;width:90%;background:var(--bg-secondary);border-radius:4px;position:relative;overflow:hidden}[data-theme=light] .skeleton-compact-desc{background:#e5e7eb}.skeleton-compact-stats{display:flex;flex-direction:column;gap:12px}.skeleton-compact-stat{height:40px;width:100%;background:var(--bg-secondary);border-radius:8px;position:relative;overflow:hidden}[data-theme=light] .skeleton-compact-stat{background:#e5e7eb}.skeleton-compact-progress{height:8px;width:100%;background:var(--bg-secondary);border-radius:4px;margin-top:4px;position:relative;overflow:hidden}[data-theme=light] .skeleton-compact-progress{background:#e5e7eb}@media(max-width:768px){.compact-card-skeleton{padding:20px}.skeleton-compact-icon{width:40px;height:40px}.skeleton-compact-title{height:18px}.skeleton-compact-desc{height:14px}.skeleton-compact-stat{height:36px}}.chapter-tags-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;margin-top:16px}.chapter-tag{padding:12px 16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;font-size:.875rem;font-weight:500;color:var(--text-primary);cursor:pointer;transition:all .2s ease;text-align:left}.chapter-tag:hover{background:var(--bg-tertiary);border-color:var(--border-light)}.chapter-tag.selected{background:#2563eb1a;border-color:#3b82f6;color:#3b82f6}[data-theme=dark] .chapter-tag.selected{background:#3b82f626;border-color:#3b82f6;color:#60a5fa}.chapter-tag.selected:hover{background:#2563eb26;border-color:#2563eb}@media(max-width:768px){.chapter-tags-grid{grid-template-columns:1fr;gap:8px}.chapter-tag{padding:10px 14px;font-size:.8125rem}}.modal-footer{display:flex;flex-direction:column;gap:16px;margin-top:32px;padding-top:24px;border-top:1px solid var(--border)}.modal-footer-note{font-size:.8125rem;color:var(--text-secondary);text-align:left}.uso-link{color:#3b82f6;text-decoration:none;font-weight:600;transition:all .2s ease;position:relative}.uso-link:hover{color:#2563eb;text-decoration:underline}[data-theme=dark] .uso-link{color:#60a5fa}[data-theme=dark] .uso-link:hover{color:#3b82f6}.modal-footer-actions{display:flex;justify-content:flex-end;gap:12px}@media(max-width:640px){.modal-footer-actions{flex-direction:column-reverse}.modal-footer-actions .btn{width:100%}.modal-footer-note{text-align:center;font-size:.75rem}}.quiz-page{min-height:100vh;background:var(--bg-primary);padding:80px 0}.quiz-container{max-width:1400px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:320px 1fr;gap:32px}.quiz-sidebar{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:28px;height:fit-content;position:sticky;top:88px;display:flex;flex-direction:column;gap:28px}.quiz-progress h3{font-size:16px;margin-bottom:16px;font-weight:600}.progress-info{display:flex;justify-content:space-between;margin-bottom:12px;font-size:14px;color:var(--text-secondary)}.progress-fill{height:100%;background:var(--accent-primary);transition:width .3s}.question-list{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.question-nav-btn{aspect-ratio:1;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;color:var(--text-secondary);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.question-nav-btn:hover{border-color:var(--border-light);background:var(--bg-tertiary)}.question-nav-btn.active{background:var(--accent-primary);color:var(--bg-primary);border-color:var(--accent-primary)}.question-nav-btn.answered{background:var(--bg-tertiary);border-color:var(--border-light)}.question-nav-btn.correct{background:#22c55e33;border-color:var(--success);color:var(--success)}.question-nav-btn.incorrect{background:#ef444433;border-color:var(--error);color:var(--error)}.question-nav-btn.disabled,.question-nav-btn:disabled{opacity:.6;cursor:not-allowed}.quiz-actions{display:flex;gap:12px;margin-top:16px;width:100%}.quiz-actions .btn{flex:1;font-size:14px;background:#4a5568;border-color:#4a5568;color:#fff}.quiz-actions .btn:hover:not(:disabled){background:#2d3748;border-color:#2d3748}.quiz-actions .btn:disabled{background:#718096;border-color:#718096;opacity:.6}} .quiz-content{min-height:600px}.exam-timer{background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;padding:16px 20px;text-align:center}.exam-timer p{margin:0 0 6px;font-size:13px;text-transform:uppercase;color:var(--text-muted);letter-spacing:.5px}.timer-value{font-size:28px;font-weight:700;color:var(--text-primary)}.timer-value.danger{color:var(--error)}.exam-banner{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:28px 32px;margin-bottom:24px;display:flex;flex-direction:column;gap:20px}.exam-banner-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.exam-banner-phase{text-transform:uppercase;font-size:12px;font-weight:600;letter-spacing:.5px;color:var(--text-muted);margin-bottom:4px}.exam-banner h2{margin:0 0 8px;font-size:24px}.exam-banner-description{margin:0;color:var(--text-secondary)}.exam-banner-meta{display:flex;gap:24px;flex-wrap:wrap}.exam-meta-item{background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;padding:12px 16px;min-width:120px}.meta-label{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:4px}.meta-value{font-size:20px;font-weight:600;color:var(--text-primary)}.question-card,.exam-prep{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:40px}.exam-prep h2{margin-bottom:12px}.exam-prep p{color:var(--text-secondary);margin-bottom:16px}.exam-prep-list{margin:0 0 24px 18px;color:var(--text-secondary);line-height:1.6}.question-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px;gap:16px}.question-number{font-size:14px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-weight:600}.question-meta{display:flex;gap:8px;align-items:center}.question-type{padding:4px 12px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:4px;font-size:12px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-weight:600}.question-points{padding:4px 12px;background:var(--bg-tertiary);border:1px solid var(--border-light);border-radius:4px;font-size:12px;color:var(--text-primary);font-weight:600}.question-title{font-size:26px;font-weight:600;margin-bottom:16px;line-height:1.4;letter-spacing:-.3px}.question-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}.question-tag{padding:4px 10px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:4px;font-size:11px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-weight:600}.question-hint{padding:12px 16px;background:#ffb8001a;border:1px solid rgba(255,184,0,.2);border-radius:6px;color:var(--warning);font-size:14px;font-weight:500;margin-bottom:28px}.answers-list{display:flex;flex-direction:column;gap:12px}.answer-option{display:flex;align-items:center;gap:16px;padding:18px 20px;background:var(--bg-secondary);border:2px solid var(--border);border-radius:8px;cursor:pointer;transition:all .2s;text-align:left}.answer-option:hover{border-color:var(--border-light);background:var(--bg-tertiary)}.answer-option.selected{border-color:var(--accent-primary);background:var(--bg-tertiary)}.answer-letter{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--bg-card);border:1px solid var(--border);border-radius:6px;font-weight:600;font-size:14px;flex-shrink:0;color:var(--text-primary)}.answer-option.selected .answer-letter{background:var(--accent-primary);color:var(--bg-primary);border-color:var(--accent-primary)}.answer-text{font-size:16px;color:var(--text-primary);line-height:1.5;flex:1}.answer-checkbox{width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:var(--bg-card);border:2px solid var(--border);border-radius:4px;font-size:14px;font-weight:700;flex-shrink:0;transition:all .2s}.answer-option.selected .answer-checkbox{background:var(--accent-primary);border-color:var(--accent-primary);color:var(--bg-primary)}.answer-option.multiple{cursor:pointer}.answer-option.multiple:hover .answer-checkbox{border-color:var(--border-light)}.answer-option.correct{border-color:var(--success);background:#22c55e1a}.answer-option.incorrect{border-color:var(--error);background:#ef44441a}.answer-option:disabled{cursor:not-allowed;opacity:.8}.answer-indicator{margin-left:auto;font-size:18px;font-weight:700}.answer-option.correct .answer-indicator{color:var(--success)}.answer-option.incorrect .answer-indicator{color:var(--error)}.answer-feedback{margin-top:24px;padding:10px 14px;border-radius:6px;display:flex;align-items:center;gap:8px;font-size:13px;font-weight:500}.answer-feedback.correct{background:#22c55e14;border:1px solid rgba(34,197,94,.25);color:var(--success)}.answer-feedback.incorrect{background:#ef444414;border:1px solid rgba(239,68,68,.25);color:var(--error)}.feedback-icon{font-size:15px}.feedback-text{flex:1}.quiz-results{text-align:center;padding:60px 0}.quiz-results h1{font-size:42px;margin-bottom:48px}.results-score{margin-bottom:48px}.score-circle{width:200px;height:200px;margin:0 auto 24px;background:var(--bg-card);border:4px solid var(--border);border-radius:50%;display:flex;align-items:center;justify-content:center}.score-value{font-size:56px;font-weight:700;letter-spacing:-2px}.score-details{font-size:18px;color:var(--text-secondary)}.score-details p{margin-bottom:8px}.score-subtext{font-size:15px;color:var(--text-muted)}.exam-results-meta{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;margin:32px 0 40px}.exam-results-item{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:16px 24px;min-width:160px;text-align:center}.results-actions{display:flex;gap:16px;justify-content:center}.empty-quiz{text-align:center;padding:80px 20px}.empty-quiz h2{margin-bottom:24px;color:var(--text-secondary)}@media(max-width:1024px){.quiz-container{grid-template-columns:1fr}.quiz-sidebar{position:static;order:2}.quiz-content{order:1}}@media(max-width:768px){.quiz-page{padding:60px 0}.quiz-container{padding:0 16px;gap:20px}.quiz-sidebar{padding:20px}.question-list{grid-template-columns:repeat(auto-fill,minmax(40px,1fr))}.question-card{padding:28px 20px}.question-title{font-size:22px}.answer-option{padding:14px 16px}.answer-text{font-size:15px}.results-actions{flex-direction:column}.results-actions .btn{width:100%}.exam-banner{padding:20px}.exam-banner-header{flex-direction:column;align-items:stretch}.exam-results-meta{flex-direction:column}.exam-results-item{width:100%}}.share-question-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s ease;position:relative}.share-question-btn:hover{background:var(--bg-tertiary);border-color:var(--border-light);color:#3b82f6}.share-question-btn .copied-text{font-size:.75rem;color:#22c55e;font-weight:600;margin-left:4px}[data-theme=dark] .share-question-btn:hover{color:#60a5fa}.quiz-container.single-question{max-width:900px;margin:0 auto;padding:40px 24px}.quiz-container.single-question .quiz-content{width:100%}.answer-feedback{text-align:center}.feedback-message{padding:16px 24px;border-radius:8px;font-size:1.125rem;font-weight:600;margin-bottom:16px}.feedback-message.correct{background:#22c55e1a;color:#22c55e;border:1px solid rgba(34,197,94,.3)}.feedback-message.incorrect{background:#ef44441a;color:#ef4444;border:1px solid rgba(239,68,68,.3)}@media(max-width:768px){.share-question-btn{padding:5px 10px;font-size:.8125rem}.share-question-btn .copied-text{display:none}.quiz-container.single-question{padding:24px 16px}}.retry-wrong-section{border:1px solid rgba(220,38,38,.3);border-radius:8px;padding:14px 16px;background:#dc26260a;display:flex;flex-direction:column;gap:10px}.retry-wrong-label{font-size:13px;color:var(--text-secondary);display:flex;align-items:center;gap:6px}.retry-wrong-count{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;padding:0 6px;background:#dc26261f;border:1px solid rgba(220,38,38,.25);border-radius:4px;font-size:12px;font-weight:700;color:var(--error)}.retry-wrong-btn{width:100%;padding:9px 14px;background:transparent;border:1px solid rgba(220,38,38,.4);border-radius:6px;color:var(--error);font-size:13px;font-weight:600;cursor:pointer;transition:background .15s,border-color .15s;font-family:inherit}.retry-wrong-btn:hover{background:#dc262614;border-color:#dc262699}.feedback-wrap{display:flex;flex-direction:column;gap:8px;margin-top:24px}.feedback-wrap .answer-feedback{margin-top:0;width:100%}.explain-answer-btn{display:flex;align-items:center;gap:7px;padding:8px 14px;background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:6px;color:var(--text-secondary);font-size:13px;font-weight:500;text-decoration:none;transition:all .15s;width:100%;box-sizing:border-box}.explain-answer-btn:hover{border-color:var(--accent-secondary);color:var(--text-primary);background:var(--bg-tertiary)}.sq-page{min-height:calc(100vh - 200px);display:flex;align-items:center;justify-content:center;padding:60px 24px;background:var(--bg-primary)}.sq-container{width:100%;max-width:800px;margin:0 auto}.sq-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:40px;box-shadow:0 4px 24px #00000014}[data-theme=dark] .sq-card{box-shadow:0 4px 24px #0000004d}.sq-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--border)}.sq-badge{display:inline-block;padding:6px 14px;background:#2563eb1a;color:#3b82f6;border:1px solid rgba(37,99,235,.2);border-radius:6px;font-size:.8125rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px}[data-theme=dark] .sq-badge{background:#3b82f626;color:#60a5fa}.sq-meta{display:flex;gap:12px;align-items:center}.sq-type{padding:4px 10px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;font-size:.75rem;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.sq-points{padding:4px 10px;background:#22c55e1a;color:#22c55e;border:1px solid rgba(34,197,94,.2);border-radius:6px;font-size:.75rem;font-weight:600}.sq-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}.sq-tag{padding:4px 10px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;font-size:.75rem;font-weight:500;color:var(--text-secondary)}.sq-title{font-size:1.5rem;font-weight:600;color:var(--text-primary);line-height:1.4;margin:0 0 20px;letter-spacing:-.02em}.sq-hint{padding:12px 16px;background:#f59e0b1a;border:1px solid rgba(245,158,11,.2);border-radius:8px;color:#f59e0b;font-size:.875rem;font-weight:500;margin-bottom:24px;text-align:center}[data-theme=dark] .sq-hint{background:#f59e0b26;color:#fbbf24}.sq-answers{display:flex;flex-direction:column;gap:12px;margin-bottom:32px}.sq-answer{display:flex;align-items:center;gap:16px;padding:16px 20px;background:var(--bg-secondary);border:2px solid var(--border);border-radius:12px;text-align:left;cursor:pointer;transition:all .2s ease;position:relative}.sq-answer:hover:not(:disabled){background:var(--bg-tertiary);border-color:var(--border-light);transform:translate(4px)}.sq-answer:disabled{cursor:default}.sq-answer-selected{background:#2563eb1a;border-color:#3b82f6}[data-theme=dark] .sq-answer-selected{background:#3b82f626}.sq-answer-correct{background:#22c55e1a;border-color:#22c55e}[data-theme=dark] .sq-answer-correct{background:#22c55e26}.sq-answer-incorrect{background:#ef44441a;border-color:#ef4444}[data-theme=dark] .sq-answer-incorrect{background:#ef444426}.sq-answer-letter{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:var(--bg-primary);border:1px solid var(--border);border-radius:8px;font-weight:600;font-size:.875rem;color:var(--text-primary);flex-shrink:0}.sq-answer-selected .sq-answer-letter{background:#3b82f6;border-color:#3b82f6;color:#fff}.sq-answer-correct .sq-answer-letter{background:#22c55e;border-color:#22c55e;color:#fff}.sq-answer-incorrect .sq-answer-letter{background:#ef4444;border-color:#ef4444;color:#fff}.sq-answer-text{flex:1;font-size:1rem;color:var(--text-primary);line-height:1.5}.sq-answer-indicator{font-size:1.25rem;font-weight:700;flex-shrink:0}.sq-answer-correct .sq-answer-indicator{color:#22c55e}.sq-answer-incorrect .sq-answer-indicator{color:#ef4444}.sq-btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 32px;font-size:1rem;font-weight:600;border-radius:10px;cursor:pointer;transition:all .2s ease;border:none;width:100%}.sq-btn-primary{background:#3b82f6;color:#fff;box-shadow:0 2px 8px #3b82f633}.sq-btn-primary:hover:not(:disabled){background:#2563eb;transform:translateY(-2px);box-shadow:0 4px 16px #3b82f64d}.sq-btn-primary:disabled{opacity:.5;cursor:not-allowed}.sq-btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border)}.sq-btn-secondary:hover{background:var(--bg-tertiary);border-color:var(--border-light)}.sq-feedback{display:flex;flex-direction:column;gap:16px;align-items:center}.sq-feedback-message{width:100%;padding:20px 24px;border-radius:12px;font-size:1.25rem;font-weight:600;text-align:center}.sq-feedback-correct{background:#22c55e1a;color:#22c55e;border:2px solid rgba(34,197,94,.3)}[data-theme=dark] .sq-feedback-correct{background:#22c55e26}.sq-feedback-incorrect{background:#ef44441a;color:#ef4444;border:2px solid rgba(239,68,68,.3)}[data-theme=dark] .sq-feedback-incorrect{background:#ef444426}.sq-loading,.sq-error{text-align:center;padding:60px 24px}.sq-loading{font-size:1.125rem;color:var(--text-secondary)}.sq-error h2{font-size:1.75rem;font-weight:600;color:var(--text-primary);margin-bottom:12px}.sq-error p{font-size:1rem;color:var(--text-secondary);margin-bottom:24px}@media(max-width:768px){.sq-page{padding:40px 16px}.sq-card{padding:28px 24px;border-radius:12px}.sq-header{flex-direction:column;align-items:flex-start;gap:12px}.sq-title{font-size:1.25rem}.sq-answer{padding:14px 16px;gap:12px}.sq-answer-letter{width:32px;height:32px;font-size:.8125rem}.sq-answer-text{font-size:.9375rem}.sq-btn{padding:12px 24px;font-size:.9375rem}.sq-feedback-message{font-size:1.125rem;padding:16px 20px}}@media(max-width:480px){.sq-card{padding:24px 20px}.sq-title{font-size:1.125rem}.sq-answer{padding:12px 14px}.sq-meta{flex-direction:column;align-items:flex-start;gap:6px}}.exam-selection-page{padding:80px 0;min-height:calc(100vh - 200px)}.exam-header{margin-top:20px;text-align:center;margin-bottom:32px}.exam-filters{display:flex;gap:16px;margin-bottom:32px;align-items:center}.exam-search-input{flex:1;padding:12px 16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:15px;transition:all .2s}.exam-search-input:focus{outline:none;border-color:var(--primary);background:var(--bg-card)}.exam-search-input::placeholder{color:var(--text-secondary)}.exam-filter-buttons{display:flex;gap:12px}.filter-btn{padding:10px 20px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;border:2px solid transparent;background:var(--bg-secondary);color:var(--text-secondary)}.filter-btn:hover{transform:translateY(-2px)}.filter-acadnet{border-color:#10b981;color:#10b981}.filter-acadnet:hover{background:#10b9811a}.filter-acadnet.active{background:#10b981;color:#fff}.filter-linux{border-color:#f59e0b;color:#f59e0b}.filter-linux:hover{background:#f59e0b1a}.filter-linux.active{background:#f59e0b;color:#fff}.filter-network{border-color:#3b82f6;color:#3b82f6}.filter-network:hover{background:#3b82f61a}.filter-network.active{background:#3b82f6;color:#fff}.no-exams{text-align:center;padding:60px 20px;color:var(--text-secondary);font-size:16px}.exam-header h1{font-size:36px;font-weight:600;margin-bottom:16px;letter-spacing:-.5px}.exam-header p{font-size:17px;color:var(--text-secondary)}.exams-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px;margin-bottom:40px}.exam-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:32px;transition:all .2s;position:relative;display:flex;flex-direction:column}.exam-card:hover{border-color:var(--border-light);background:var(--bg-tertiary)}.exam-badge{position:absolute;top:20px;right:20px;padding:6px 12px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;font-size:12px;font-weight:700;color:var(--text-primary)}.exam-card h2{font-size:22px;font-weight:600;margin-bottom:12px;letter-spacing:-.3px;padding-right:60px}.exam-card p{color:var(--text-secondary);margin-bottom:24px;line-height:1.6;font-size:15px;flex-grow:1}.exam-details{display:flex;gap:20px;margin-bottom:24px;padding:16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px}.exam-detail{display:flex;align-items:center;gap:8px;flex:1}.detail-icon{font-size:18px}.detail-text{font-size:14px;color:var(--text-secondary);font-weight:500}@media(max-width:768px){.exam-selection-page{padding:60px 0}.exam-header{margin-bottom:24px}.exam-filters{flex-direction:column;gap:12px}.exam-search-input{width:100%}.exam-filter-buttons{width:100%;justify-content:space-between}.filter-btn{flex:1;padding:10px 12px;font-size:13px}.exams-grid{grid-template-columns:1fr;gap:20px}.exam-card{padding:28px}.exam-details{flex-direction:column;gap:12px}}.login-required-container{display:flex;align-items:center;justify-content:center;min-height:60vh;padding:40px 20px}.login-required-content{text-align:center;max-width:480px;padding:48px 32px;background:var(--bg-card);border:1px solid var(--border);border-radius:16px;box-shadow:0 4px 24px #0000000f}.login-required-icon{color:var(--primary);margin-bottom:24px;opacity:.9}.login-required-title{font-size:1.75rem;font-weight:600;color:var(--text-primary);margin:0 0 12px}.login-required-description{font-size:1rem;color:var(--text-secondary);line-height:1.6;margin:0 0 32px}.login-required-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;font-size:1rem;font-weight:600;margin-bottom:16px}.login-required-footer{font-size:.9375rem;color:var(--text-secondary);margin:0}.login-required-link{color:var(--primary);text-decoration:none;font-weight:600;transition:color .2s}.login-required-link:hover{color:var(--primary-hover);text-decoration:underline}[data-theme=dark] .login-required-content{box-shadow:0 4px 24px #0000004d}@media(max-width:768px){.login-required-container{min-height:50vh;padding:24px 16px}.login-required-content{padding:32px 24px}.login-required-icon{width:48px;height:48px}.login-required-title{font-size:1.5rem}.login-required-description{font-size:.9375rem}}.resurse-page{padding:60px 0 100px;min-height:calc(100vh - 200px)}.learn-hero{text-align:center;max-width:640px;margin:40px auto 56px;display:flex;flex-direction:column;align-items:center;gap:16px}.learn-hero-badge{display:inline-flex;align-items:center;gap:7px;padding:7px 16px;background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:24px;color:var(--accent-primary);font-size:13px;font-weight:600}.learn-hero-title{font-size:clamp(30px,4vw,42px);font-weight:700;color:var(--text-primary);margin:0;line-height:1.2}.learn-hero-subtitle{font-size:16px;color:var(--text-secondary);margin:0;line-height:1.6}.learn-add-btn{display:flex;align-items:center;gap:8px;margin-top:8px}.learn-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;gap:16px}.learn-spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s linear infinite}.learn-loading p{color:var(--text-secondary);font-size:14px;margin:0}.learn-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:20px}.learn-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:24px;display:flex;flex-direction:column;gap:16px;transition:border-color .2s,box-shadow .2s}.learn-card:hover{border-color:var(--border-light);box-shadow:0 4px 20px var(--shadow-hover)}.learn-card-icon-wrap{width:52px;height:52px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--accent-primary);flex-shrink:0}.learn-card-body{flex:1;display:flex;flex-direction:column;gap:10px}.learn-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.learn-card-title{font-size:18px;font-weight:600;color:var(--text-primary);margin:0;line-height:1.3}.learn-badge{font-size:11px;font-weight:600;padding:3px 10px;border-radius:20px;white-space:nowrap;flex-shrink:0}.learn-badge-free{background:var(--bg-secondary);color:var(--text-secondary);border:1px solid var(--border)}.learn-badge-premium{background:#f59e0b1a;color:#d97706;border:1px solid rgba(245,158,11,.2)}.learn-card-desc{font-size:14px;color:var(--text-secondary);line-height:1.6;margin:0}.learn-card-meta{display:flex;gap:16px;padding-top:4px}.learn-meta-item{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-muted)}.learn-meta-item svg{flex-shrink:0}.learn-card-actions{display:flex;align-items:center;gap:10px;padding-top:4px;border-top:1px solid var(--border)}.learn-start-btn{flex:1;padding:10px 16px;font-size:14px}.learn-edit-btn{display:flex;align-items:center;justify-content:center;width:38px;height:38px;background:transparent;border:1px solid var(--border);border-radius:6px;color:var(--text-muted);cursor:pointer;transition:all .2s;flex-shrink:0}.learn-edit-btn:hover{background:var(--bg-secondary);border-color:var(--border-light);color:var(--text-primary)}.learn-delete-btn{display:flex;align-items:center;justify-content:center;width:38px;height:38px;background:transparent;border:1px solid var(--border);border-radius:6px;color:var(--text-muted);cursor:pointer;transition:all .2s;flex-shrink:0}.learn-delete-btn:hover{background:#dc262614;border-color:#dc26264d;color:#dc2626}.learn-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:40vh;gap:12px;color:var(--text-muted);text-align:center}.learn-empty p{font-size:15px;margin:0;color:var(--text-muted)}.learn-modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.learn-modal{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto}.learn-modal-header{display:flex;align-items:center;justify-content:space-between;padding:24px 24px 0;margin-bottom:20px}.learn-modal-header h2{font-size:20px;font-weight:600;color:var(--text-primary);margin:0}.learn-modal-close{display:flex;align-items:center;justify-content:center;width:32px;height:32px;background:transparent;border:1px solid var(--border);border-radius:6px;color:var(--text-muted);cursor:pointer;transition:all .2s}.learn-modal-close:hover{background:var(--bg-secondary);color:var(--text-primary)}.learn-modal-form{padding:0 24px 24px;display:flex;flex-direction:column;gap:16px}.learn-form-row{display:flex;flex-direction:column;gap:6px}.learn-form-row label{font-size:13px;font-weight:500;color:var(--text-primary)}.learn-form-hint{font-weight:400;color:var(--text-muted);font-size:12px}.learn-form-row textarea{resize:vertical;min-height:80px}.learn-icon-preview-row{display:flex;gap:10px;align-items:center}.learn-icon-preview-row input{flex:1}.learn-icon-preview{width:44px;height:44px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--accent-primary);flex-shrink:0}.learn-form-cols{display:grid;grid-template-columns:1fr 1fr;gap:12px}.learn-form-error{font-size:13px;color:var(--error);margin:0;padding:10px 12px;background:#dc262614;border:1px solid rgba(220,38,38,.2);border-radius:6px}.learn-modal-footer{display:flex;gap:10px;justify-content:flex-end;padding-top:4px}@media(max-width:768px){.resurse-page{padding:40px 0 80px}.learn-header{flex-direction:column;align-items:flex-start;margin-bottom:32px}.learn-grid,.learn-form-cols{grid-template-columns:1fr}}.learn-card-badges{display:flex;align-items:center;gap:6px;flex-shrink:0}.learn-badge-hidden{display:inline-flex;align-items:center;gap:4px;background:#6b72801f;color:var(--text-muted);border:1px solid var(--border)}.learn-form-toggle-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 14px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px}.learn-toggle-label{display:flex;flex-direction:column;gap:2px;font-size:13px;font-weight:500;color:var(--text-primary)}.learn-toggle-hint{font-size:12px;font-weight:400;color:var(--text-muted)}.learn-toggle{position:relative;width:44px;height:24px;border-radius:12px;border:none;cursor:pointer;transition:background .2s;flex-shrink:0;padding:0}.learn-toggle-on{background:var(--accent-primary)}.learn-toggle-off{background:var(--border-light)}.learn-toggle-knob{position:absolute;top:3px;width:18px;height:18px;background:#fff;border-radius:50%;transition:left .2s}.learn-toggle-on .learn-toggle-knob{left:23px}.learn-toggle-off .learn-toggle-knob{left:3px}.rd-page{padding:48px 0 100px;min-height:calc(100vh - 200px)}.rd-not-found{color:var(--text-muted);text-align:center;padding:80px 0}.rd-breadcrumb{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-muted);margin-top:40px;margin-bottom:32px}.rd-breadcrumb-link{color:var(--text-secondary);text-decoration:none;transition:color .2s}.rd-breadcrumb-link:hover{color:var(--text-primary)}.rd-header{display:flex;gap:20px;align-items:flex-start;margin-bottom:48px;padding-bottom:32px;border-bottom:1px solid var(--border)}.rd-header-icon{width:56px;height:56px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--accent-primary);flex-shrink:0}.rd-header-info{flex:1}.rd-title{font-size:clamp(22px,3vw,30px);font-weight:700;color:var(--text-primary);margin:0 0 8px}.rd-desc{font-size:15px;color:var(--text-secondary);margin:0 0 20px;line-height:1.6}.rd-overall-progress{max-width:400px}.rd-progress-label{display:flex;justify-content:space-between;font-size:13px;color:var(--text-secondary);margin-bottom:6px}.rd-progress-pct{font-weight:600;color:var(--accent-primary)}.rd-progress-bar{height:6px;background:var(--bg-tertiary);border-radius:3px;overflow:hidden}.rd-progress-fill{height:100%;background:var(--accent-primary);border-radius:3px;transition:width .4s ease}.rd-progress-sub{font-size:14px;color:var(--text-muted);margin-top:4px;display:block}.rd-chapters{display:flex;flex-direction:column;gap:12px}.rd-chapter{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;overflow:hidden;transition:border-color .2s}.rd-chapter:has(.rd-chapter-header:hover){border-color:var(--border-light)}.rd-chapter-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;cursor:pointer;-webkit-user-select:none;user-select:none;gap:12px}.rd-chapter-left{display:flex;align-items:center;gap:12px;flex:1;min-width:0}.rd-chapter-num{width:28px;height:28px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;color:var(--text-secondary);flex-shrink:0}.rd-chapter-title{font-size:15px;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.rd-chapter-right{display:flex;align-items:center;gap:12px;flex-shrink:0}.rd-chapter-progress{display:flex;align-items:center;gap:8px;min-width:120px}.rd-chapter-progress .rd-progress-bar{flex:1}.rd-chapter-pct{font-size:14px;font-weight:600;color:var(--accent-primary);white-space:nowrap}.rd-chapter-actions{display:flex;gap:4px}.rd-chevron{color:var(--text-muted)}.rd-lessons{border-top:1px solid var(--border);padding:8px 0}.rd-lesson-row{display:flex;align-items:center;padding:0 12px 0 20px;gap:8px}.rd-lesson-btn{flex:1;display:flex;align-items:center;gap:10px;padding:10px 8px;background:transparent;border:none;border-radius:6px;cursor:pointer;text-align:left;transition:background .15s;min-width:0}.rd-lesson-btn:hover{background:var(--bg-secondary)}.rd-lesson-num{font-size:12px;color:var(--text-muted);font-weight:500;flex-shrink:0;min-width:28px}.rd-lesson-title{font-size:14px;color:var(--text-primary);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.rd-lesson-arrow{color:var(--text-muted);flex-shrink:0}.rd-lesson-actions{flex-shrink:0}.rd-icon-btn{display:flex;align-items:center;justify-content:center;width:28px;height:28px;background:transparent;border:1px solid var(--border);border-radius:5px;color:var(--text-muted);cursor:pointer;transition:all .15s}.rd-icon-btn:hover{background:var(--bg-secondary);color:var(--text-primary)}.rd-icon-btn-danger:hover{background:#dc262614;border-color:#dc26264d;color:#dc2626}.rd-icon-btn-confirm:hover{background:#22c55e14;border-color:#22c55e4d;color:#16a34a}.rd-inline-input{flex:1;padding:6px 10px;background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:6px;color:var(--text-primary);font-size:14px;font-family:inherit;outline:none}.rd-inline-input:focus{border-color:var(--accent-primary)}.rd-add-row{display:flex;align-items:center;gap:6px;padding:8px 12px 8px 20px}.rd-add-lesson-btn{display:flex;align-items:center;gap:6px;margin:4px 20px 8px;padding:7px 12px;background:transparent;border:1px dashed var(--border);border-radius:6px;color:var(--text-muted);font-size:13px;cursor:pointer;transition:all .15s;width:calc(100% - 40px)}.rd-add-lesson-btn:hover{border-color:var(--border-light);color:var(--text-secondary);background:var(--bg-secondary)}.rd-add-chapter-btn{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px;background:transparent;border:1px dashed var(--border);border-radius:10px;color:var(--text-muted);font-size:14px;cursor:pointer;transition:all .15s;width:100%}.rd-add-chapter-btn:hover{border-color:var(--border-light);color:var(--text-secondary);background:var(--bg-secondary)}.rd-add-chapter-row{display:flex;align-items:center;gap:6px;padding:14px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:10px}@media(max-width:768px){.rd-page{padding:32px 0 80px}.rd-header{flex-direction:column;gap:16px}.rd-chapter-progress{display:none}}.lv-layout{min-height:100vh}.lv-page{padding:48px 0 100px;max-width:820px}.lv-header{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:40px;padding-bottom:24px;border-bottom:1px solid var(--border)}.lv-header-left{flex:1}.lv-title{font-size:clamp(20px,3vw,28px);font-weight:700;color:var(--text-primary);margin:0 0 12px}.lv-lesson-progress{display:flex;align-items:center;gap:10px}.lv-progress-sub{font-size:15px;color:var(--text-muted)}.lv-header-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.lv-edit-btn{display:flex;align-items:center;gap:6px;font-size:14px}.lv-saved-badge{display:flex;align-items:center;gap:5px;font-size:13px;color:var(--success)}.lv-content{display:flex;flex-direction:column;gap:20px}.lv-empty{text-align:center;padding:60px 0;color:var(--text-muted);font-size:15px}.lv-h1{font-size:22px;font-weight:700;color:var(--text-primary);margin:8px 0 0;padding-bottom:8px;border-bottom:2px solid var(--border)}.lv-h2{font-size:18px;font-weight:600;color:var(--text-primary);margin:4px 0 0}.lv-paragraph-wrap{display:flex;flex-direction:column;gap:12px}.lv-paragraph{font-size:18px;line-height:1.75;color:var(--text-secondary);margin:0}.lv-code-block-wrap{position:relative}.lv-copy-btn{position:absolute;top:10px;right:10px;display:flex;align-items:center;gap:5px;padding:4px 10px;background:var(--bg-card);border:1px solid var(--border);border-radius:5px;color:var(--text-muted);font-size:12px;font-family:inherit;cursor:pointer;transition:all .15s;z-index:1}.lv-copy-btn:hover{background:var(--bg-tertiary);color:var(--text-primary);border-color:var(--border-light)}.lv-code-block{background:var(--bg-secondary);border:1px solid var(--border);border-left:3px solid var(--accent-primary);border-radius:8px;padding:16px 90px 16px 20px;overflow-x:auto;margin:0}.lv-code-block code{font-family:Fira Code,Cascadia Code,Consolas,Monaco,monospace;font-size:14px;line-height:1.7;color:var(--text-primary);white-space:pre}.lv-inline-code{font-family:Fira Code,Cascadia Code,Consolas,Monaco,monospace;font-size:15px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:4px;padding:1px 6px;color:var(--text-primary)}.lv-card{display:flex;gap:12px;padding:14px 16px;border-radius:8px;border-left:3px solid;font-size:18px;line-height:1.6}.lv-card-icon{flex-shrink:0;margin-top:1px}.lv-card-body{flex:1;color:var(--text-secondary)}.lv-card-note{background:#3b82f60f;border-color:#3b82f6}.lv-card-note .lv-card-icon{color:#3b82f6}.lv-card-obs{background:#f59e0b0f;border-color:#f59e0b}.lv-card-obs .lv-card-icon{color:#f59e0b}.lv-card-tip{background:#22c55e0f;border-color:#22c55e}.lv-card-tip .lv-card-icon{color:#22c55e}.lv-question{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:20px;display:flex;flex-direction:column;gap:12px}.lv-question-solved{border-color:#22c55e4d;background:#22c55e0a}.lv-question-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.lv-question-xp-badge{display:inline-flex;align-items:center;padding:3px 8px;border-radius:20px;font-size:11px;font-weight:700;background:var(--bg-secondary);border:1px solid var(--border);color:var(--text-secondary);white-space:nowrap;flex-shrink:0}.lv-xp-earned{margin-left:6px;font-weight:700;color:#16a34a}.lv-question-text{font-size:18px;font-weight:500;color:var(--text-primary);margin:0}.lv-question-input-row{display:flex;gap:8px}.lv-question-input{flex:1;padding:10px 12px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:18px;font-family:inherit;outline:none;transition:border-color .2s}.lv-question-input:focus{border-color:var(--border-light)}.lv-send-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--accent-primary);color:var(--bg-primary);border:none;border-radius:6px;cursor:pointer;transition:opacity .2s;flex-shrink:0}.lv-send-btn:disabled{opacity:.4;cursor:not-allowed}.lv-feedback{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:500;padding:8px 12px;border-radius:6px}.lv-feedback-correct{background:#22c55e1a;color:#16a34a;border:1px solid rgba(34,197,94,.2)}.lv-feedback-wrong{background:#dc262614;color:#dc2626;border:1px solid rgba(220,38,38,.15)}.lv-link{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;color:var(--accent-primary);font-size:18px;font-weight:500;text-decoration:none;transition:all .2s;width:fit-content}.lv-link:hover{border-color:var(--border-light);background:var(--bg-tertiary)}.le-editor{display:flex;flex-direction:column;gap:10px}.le-item{display:flex;gap:10px;align-items:flex-start;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:12px;transition:border-color .15s}.le-item:hover{border-color:var(--border-light)}.le-item-drag{display:flex;flex-direction:column;align-items:center;gap:2px;padding-top:2px;flex-shrink:0}.le-grip{color:var(--text-muted)}.le-move-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;font-size:10px;padding:1px 4px;border-radius:3px;line-height:1;transition:all .15s}.le-move-btn:hover:not(:disabled){background:var(--bg-secondary);color:var(--text-primary)}.le-move-btn:disabled{opacity:.3;cursor:not-allowed}.le-item-body{flex:1;display:flex;flex-direction:column;gap:8px;min-width:0}.le-item-type-label{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.le-input{width:100%;padding:8px 10px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:14px;font-family:inherit;outline:none;resize:vertical;transition:border-color .2s;box-sizing:border-box}.le-input:focus{border-color:var(--border-light)}.le-input-answer{border-color:#f59e0b4d;background:#f59e0b0a}.le-input-xp{max-width:160px;border-color:#3b82f64d;background:#3b82f60a}.le-delete-btn{display:flex;align-items:center;justify-content:center;width:28px;height:28px;background:transparent;border:1px solid var(--border);border-radius:5px;color:var(--text-muted);cursor:pointer;flex-shrink:0;transition:all .15s}.le-delete-btn:hover{background:#dc262614;border-color:#dc26264d;color:#dc2626}.le-add-wrap{position:relative;margin-top:4px}.le-add-btn{display:flex;align-items:center;gap:8px;padding:12px 16px;background:transparent;border:1px dashed var(--border);border-radius:8px;color:var(--text-muted);font-size:14px;cursor:pointer;width:100%;transition:all .15s}.le-add-btn:hover{border-color:var(--border-light);color:var(--text-secondary);background:var(--bg-secondary)}.le-add-menu{position:absolute;top:calc(100% + 6px);left:0;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;box-shadow:0 8px 24px var(--shadow-hover);overflow:hidden;z-index:100;min-width:180px}.le-add-menu-item{display:block;width:100%;padding:10px 16px;background:transparent;border:none;text-align:left;font-size:14px;color:var(--text-primary);cursor:pointer;transition:background .15s}.le-add-menu-item:hover{background:var(--bg-secondary)}@media(max-width:768px){.lv-page{padding:32px 0 80px}.lv-header{flex-direction:column}}.progress-page{padding:80px 0;min-height:calc(100vh - 200px)}.progress-header{margin-top:20px;margin-bottom:48px}.progress-header h1{font-size:36px;font-weight:600;margin-bottom:12px;letter-spacing:-.5px}.progress-header p{font-size:17px;color:var(--text-secondary)}.progress-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px;margin-bottom:80px}.level-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:40px;position:relative}.level-info{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:32px}.level-details h2{font-size:14px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}.level-number{font-size:56px;font-weight:600;color:var(--text-primary);line-height:1;letter-spacing:-2px}.xp-badge{padding:8px 16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;font-size:14px;color:var(--text-secondary);font-weight:500}.progress-bar-container{margin-top:24px}.progress-bar-label{display:flex;justify-content:space-between;margin-bottom:12px;font-size:13px}.progress-bar-label span:first-child{color:var(--text-primary);font-weight:500}.progress-bar-label span:last-child{color:var(--text-muted)}.progress-bar{height:8px;background:var(--bg-secondary);border-radius:4px;overflow:hidden;border:1px solid var(--border)}.progress-fill{height:100%;background:var(--accent-primary);border-radius:4px;transition:width .8s ease}.stat-card-progress{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:32px;text-align:center;transition:all .2s}.stat-card-progress:hover{border-color:var(--border-light)}.stat-label-small{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px}.stat-value{font-size:48px;font-weight:600;color:var(--text-primary);line-height:1;margin-bottom:8px;letter-spacing:-1.5px}.category-progress-section{margin-bottom:80px}.category-progress-section h2{font-size:24px;font-weight:600;margin-bottom:32px;letter-spacing:-.3px}.category-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.category-progress-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:32px;transition:all .2s}.category-progress-card:hover{border-color:var(--border-light)}.category-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.category-header h3{font-size:20px;font-weight:600;margin:0}.category-badge{padding:4px 10px;border-radius:4px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.category-badge.linux{background:#f59e0b1a;color:#f59e0b;border:1px solid rgba(245,158,11,.2)}.category-badge.network{background:#3b82f61a;color:#3b82f6;border:1px solid rgba(59,130,246,.2)}.category-badge.terminal{background:#22c55e1a;color:#22c55e;border:1px solid rgba(34,197,94,.2)}.category-stat-large{text-align:center}.category-stat-large .stat-number{font-size:56px;font-weight:600;color:var(--text-primary);line-height:1;margin-bottom:12px;letter-spacing:-2px}.category-stat-large .stat-text{font-size:14px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-weight:500}.simulations-section h2{font-size:24px;font-weight:600;margin-bottom:32px;letter-spacing:-.3px}@media(max-width:1024px){.category-cards{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.category-cards{grid-template-columns:1fr}.category-progress-card{padding:24px}.category-stat-large .stat-number{font-size:48px}}.simulations-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.simulation-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:24px;transition:all .2s}.simulation-card:hover{border-color:var(--border-light)}.simulation-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.simulation-title{font-size:15px;font-weight:600;color:var(--text-primary);margin-bottom:12px;line-height:1.4}.simulation-tag{margin-bottom:16px}.tag-badge{display:inline-block;padding:4px 8px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:4px;font-size:11px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.simulation-badge{padding:4px 10px;border-radius:4px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.simulation-badge.passed{background:#22c55e1a;color:var(--success);border:1px solid rgba(34,197,94,.2)}.simulation-badge.failed{background:#ef44441a;color:var(--error);border:1px solid rgba(239,68,68,.2)}.simulation-date{font-size:12px;color:var(--text-muted)}.simulation-score{text-align:center;margin:24px 0}.score-display{font-size:42px;font-weight:600;color:var(--text-primary);line-height:1;margin-bottom:8px;letter-spacing:-1px}.simulation-details{text-align:center;color:var(--text-secondary);font-size:13px;display:flex;flex-direction:column;gap:4px}@media(max-width:1024px){.progress-grid{grid-template-columns:1fr 1fr}.level-card{grid-column:1 / -1}}@media(max-width:768px){.progress-page{padding:60px 0}.progress-grid{grid-template-columns:1fr;gap:20px}.level-card,.stat-card-progress{padding:28px}.level-number{font-size:48px}.simulations-grid{grid-template-columns:1fr}}.badge-progress{margin-top:16px;padding:12px 16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;display:flex;align-items:center;gap:10px;transition:all .3s ease}.badge-progress.unlocked{background:linear-gradient(135deg,#22c55e1a,#22c55e0d);border-color:var(--success);animation:badge-unlock-pulse .6s ease-out}@keyframes badge-unlock-pulse{0%{transform:scale(1);box-shadow:0 0 #22c55e66}50%{transform:scale(1.02);box-shadow:0 0 0 10px #22c55e00}to{transform:scale(1);box-shadow:0 0 #22c55e00}}.badge-progress-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);color:var(--text-secondary);flex-shrink:0;transition:all .3s ease}.badge-progress.unlocked .badge-progress-icon{background:var(--success);color:#fff;animation:icon-bounce .6s ease-out}@keyframes icon-bounce{0%,to{transform:scale(1)}50%{transform:scale(1.2) rotate(10deg)}}.badge-progress.legendary .badge-progress-icon{background:linear-gradient(135deg,#60a5fa,#3b82f6);color:#fff;animation:legendary-icon-pulse 2s ease-in-out infinite}@keyframes legendary-icon-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.badge-locked-text{color:var(--text-secondary)}.badge-unlocked-text{color:var(--success);font-weight:600}.category-progress-card:hover .badge-progress.unlocked{background:linear-gradient(135deg,#22c55e26,#22c55e14)}@media(max-width:768px){.badge-progress{padding:10px 12px;gap:8px}.badge-progress-icon{width:28px;height:28px}.badge-progress-text{font-size:.8rem}}@media(max-width:480px){.badge-progress{flex-direction:column;text-align:center;padding:12px}.badge-progress-text{font-size:.75rem}}.progress-skeleton{animation:fadeIn .3s ease-in}.skeleton-header{margin-top:20px;margin-bottom:48px}.skeleton-title{height:42px;width:200px;background:var(--bg-secondary);border-radius:8px;position:relative;overflow:hidden}[data-theme=light] .skeleton-title,[data-theme=light] .skeleton-level-text,[data-theme=light] .skeleton-level-number,[data-theme=light] .skeleton-progress-bar,[data-theme=light] .skeleton-stat-label,[data-theme=light] .skeleton-stat-value,[data-theme=light] .skeleton-section-title,[data-theme=light] .skeleton-category-header,[data-theme=light] .skeleton-category-stat,[data-theme=light] .skeleton-badge-progress{background:#e5e7eb}.skeleton-title:after,.skeleton-level-info:after,.skeleton-progress-bar:after,.skeleton-stat-label:after,.skeleton-stat-value:after,.skeleton-section-title:after,.skeleton-category-header:after,.skeleton-category-stat:after,.skeleton-badge-progress:after{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);animation:shimmer 1.5s infinite}[data-theme=light] .skeleton-title:after,[data-theme=light] .skeleton-level-info:after,[data-theme=light] .skeleton-progress-bar:after,[data-theme=light] .skeleton-stat-label:after,[data-theme=light] .skeleton-stat-value:after,[data-theme=light] .skeleton-section-title:after,[data-theme=light] .skeleton-category-header:after,[data-theme=light] .skeleton-category-stat:after,[data-theme=light] .skeleton-badge-progress:after{background:linear-gradient(90deg,transparent,rgba(255,255,255,.6),transparent)}@keyframes shimmer{0%{left:-100%}to{left:100%}}.skeleton-level-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:40px}[data-theme=light] .skeleton-level-card,[data-theme=light] .skeleton-stat-card,[data-theme=light] .skeleton-category-card{background:#fff;border-color:#d1d5db}.skeleton-level-info{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:32px;position:relative;overflow:hidden}.skeleton-level-text{height:16px;width:120px;background:var(--bg-secondary);border-radius:4px;margin-bottom:12px}.skeleton-level-number{height:56px;width:80px;background:var(--bg-secondary);border-radius:8px}.skeleton-progress-bar{height:8px;width:100%;background:var(--bg-secondary);border-radius:4px;margin-top:24px;position:relative;overflow:hidden}.skeleton-stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:32px;text-align:center}.skeleton-stat-label{height:14px;width:100px;background:var(--bg-secondary);border-radius:4px;margin:0 auto 16px;position:relative;overflow:hidden}.skeleton-stat-value{height:48px;width:80px;background:var(--bg-secondary);border-radius:8px;margin:0 auto;position:relative;overflow:hidden}.skeleton-category-section{margin-bottom:80px}.skeleton-section-title{height:28px;width:250px;background:var(--bg-secondary);border-radius:6px;margin-bottom:32px;position:relative;overflow:hidden}.skeleton-category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.skeleton-category-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:32px}.skeleton-category-header{height:24px;width:120px;background:var(--bg-secondary);border-radius:6px;margin-bottom:24px;position:relative;overflow:hidden}.skeleton-category-stat{height:56px;width:100px;background:var(--bg-secondary);border-radius:8px;margin:0 auto 24px;position:relative;overflow:hidden}.skeleton-badge-progress{height:56px;width:100%;background:var(--bg-secondary);border-radius:8px;position:relative;overflow:hidden}@media(max-width:1024px){.skeleton-category-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.skeleton-category-grid{grid-template-columns:1fr}.skeleton-level-card,.skeleton-stat-card,.skeleton-category-card{padding:28px}.skeleton-level-number{height:48px;width:70px}.skeleton-stat-value{height:42px;width:70px}.skeleton-category-stat{height:48px;width:90px}}.badge-progress-content{flex:1;display:flex;align-items:center;justify-content:space-between;gap:12px}.badge-progress-text{flex:1;font-size:.85rem;font-weight:500}.badge-next-tier{position:relative;display:flex;align-items:center;gap:4px;color:var(--text-muted);cursor:help;padding:4px 8px;border-radius:4px;transition:all .2s ease}.badge-next-tier:hover{background:var(--bg-tertiary);color:#60a5fa}.next-tier-tooltip{position:absolute;bottom:calc(100% + 8px);right:0;background:var(--bg-card);border:1px solid var(--border);border-radius:6px;padding:8px 12px;font-size:.75rem;font-weight:500;color:var(--text-primary);white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s ease;box-shadow:0 4px 12px #00000026;z-index:10}.badge-next-tier:hover .next-tier-tooltip{opacity:1}.next-tier-tooltip:after{content:"";position:absolute;top:100%;right:12px;border:6px solid transparent;border-top-color:var(--border)}[data-theme=dark] .next-tier-tooltip{box-shadow:0 4px 12px #0006}@media(max-width:768px){.badge-progress-content{flex-direction:column;align-items:flex-start;gap:8px}.badge-next-tier{width:100%;justify-content:center}.next-tier-tooltip{right:50%;transform:translate(50%)}.next-tier-tooltip:after{right:50%;transform:translate(50%)}}.level-rewards-btn{display:flex;align-items:center;gap:8px;padding:10px 16px;background:linear-gradient(135deg,#fbbf24,#f59e0b);border:none;border-radius:8px;color:#000;font-weight:600;font-size:14px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #fbbf244d;position:relative;overflow:hidden}.level-rewards-btn:hover{transform:translateY(-2px);box-shadow:0 6px 16px #fbbf2466}.level-rewards-btn:active{transform:translateY(0)}.level-rewards-btn.claiming{opacity:.7;cursor:not-allowed;animation:none}.level-rewards-btn.pulse{animation:pulse-glow 2s ease-in-out infinite}@keyframes pulse-glow{0%,to{box-shadow:0 4px 12px #fbbf244d}50%{box-shadow:0 4px 20px #fbbf2499,0 0 30px #fbbf244d}}.level-rewards-btn:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:linear-gradient(45deg,transparent,rgba(255,255,255,.3),transparent);transform:rotate(45deg);animation:shine 3s ease-in-out infinite}@keyframes shine{0%{left:-50%}50%,to{left:150%}}.rewards-count{background:#0003;padding:2px 8px;border-radius:4px;font-size:13px;font-weight:700}@media(max-width:768px){.level-info{flex-wrap:wrap;gap:12px}.level-rewards-btn{order:3;width:100%;justify-content:center}}.reward-dialog-overlay{position:fixed;inset:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.reward-dialog{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:32px;max-width:400px;width:90%;position:relative;animation:slideUp .3s ease;box-shadow:0 20px 60px #0000004d}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.reward-dialog-close{position:absolute;top:16px;right:16px;background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:4px;transition:all .2s}.reward-dialog-close:hover{background:var(--bg-secondary);color:var(--text-primary)}.reward-dialog-content{text-align:center}.reward-dialog-icon{width:80px;height:80px;margin:0 auto 20px;background:linear-gradient(135deg,#fbbf24,#f59e0b);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#000;animation:bounce .6s ease}@keyframes bounce{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.reward-dialog-content h3{font-size:24px;font-weight:600;color:var(--text-primary);margin-bottom:24px}.reward-dialog-info{margin-bottom:24px}.reward-amount{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:16px}.reward-amount .gold-icon{color:#fbbf24}.gold-value{font-size:48px;font-weight:700;background:linear-gradient(135deg,#fbbf24,#f59e0b);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.reward-description{font-size:14px;color:var(--text-secondary);margin-bottom:16px}.reward-total{font-size:16px;color:var(--text-primary);font-weight:500;padding:12px;background:var(--bg-secondary);border-radius:8px;border:1px solid var(--border)}.reward-total span{font-weight:700;color:#fbbf24}.reward-dialog-btn{width:100%;padding:12px 24px;background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border);border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s}.reward-dialog-btn:hover{background:var(--accent-hover);transform:translateY(-1px)}.reward-dialog-btn:active{transform:translateY(0)}@media(max-width:480px){.reward-dialog{padding:24px}.reward-dialog-icon{width:64px;height:64px}.reward-dialog-content h3{font-size:20px}.gold-value{font-size:36px}}.auth-page{min-height:calc(100vh - 200px);display:flex;align-items:center;justify-content:center;padding:80px 0}.auth-container{max-width:520px;width:100%}.auth-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:48px}.auth-header{margin-bottom:40px}.auth-card h1{font-size:28px;font-weight:600;margin-bottom:8px;letter-spacing:-.5px}.auth-subtitle{color:var(--text-secondary);font-size:15px;line-height:1.5}.auth-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-label{color:var(--text-primary);font-size:13px;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.form-input{padding:14px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:15px;transition:all .2s}.form-input:focus{border-color:var(--border-light);background:var(--bg-tertiary)}.form-input::placeholder{color:var(--text-muted)}.password-input-wrapper{position:relative}.password-input-wrapper .form-input{padding-right:50px}.password-toggle{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:6px;border-radius:4px;transition:all .2s;display:flex;align-items:center;justify-content:center}.password-toggle:hover{color:var(--text-primary);background:var(--bg-secondary)}.password-strength{margin-top:12px;display:flex;align-items:center;gap:12px}.strength-bars{display:flex;gap:4px;flex:1}.strength-bar{height:4px;flex:1;background:var(--border);border-radius:2px;transition:background-color .3s}.strength-label{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.auth-submit{margin-top:12px;padding:14px;font-size:15px;font-weight:500}.auth-divider{display:flex;align-items:center;gap:16px;margin:32px 0;color:var(--text-muted);font-size:13px;text-transform:uppercase;letter-spacing:.5px}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border)}.auth-footer{text-align:center;color:var(--text-secondary);font-size:14px}.auth-link{color:var(--text-primary);text-decoration:none;font-weight:500;transition:all .2s}.auth-link:hover{color:var(--accent-secondary)}.error-message{padding:12px 16px;background:#ef44441a;border:1px solid rgba(239,68,68,.2);border-radius:6px;color:var(--error);font-size:13px;text-align:center}.success-message{padding:12px 16px;background:#22c55e1a;border:1px solid rgba(34,197,94,.2);border-radius:6px;color:var(--success);font-size:13px;text-align:center}@media(max-width:768px){.auth-page{padding:60px 0}.auth-card{padding:36px 28px}.auth-card h1{font-size:24px}}.updates-page{min-height:100vh;background:linear-gradient(135deg,var(--bg-primary) 0%,var(--bg-secondary) 100%);padding:80px 0 40px}.updates-header{text-align:center;margin-bottom:60px}.updates-header h1{font-size:2.5rem;color:var(--text-primary);margin-bottom:16px;font-weight:700}.updates-header p{font-size:1.2rem;color:var(--text-secondary);max-width:600px;margin:0 auto}.updates-timeline{max-width:800px;margin:0 auto}.update-entry{background:var(--bg-card);border-radius:16px;padding:40px;margin-bottom:32px;border:1px solid var(--border);box-shadow:0 8px 32px #0000001a}.update-header{margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--border)}.update-version h2{color:var(--text-primary);font-size:2rem;font-weight:700;margin:0 0 8px}.update-date{color:var(--text-secondary);font-size:1rem;font-weight:500}.update-content{display:flex;flex-direction:column;gap:32px}.update-section{position:relative}.section-title{color:var(--text-primary);font-size:1.3rem;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:12px}.section-icon{color:var(--primary);flex-shrink:0}.update-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}.update-list li{color:var(--text-primary);line-height:1.6;padding-left:24px;position:relative;font-size:1rem}.update-list li:before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;background:var(--primary);border-radius:50%;transform:translateY(-50%)}.update-link{color:var(--primary);text-decoration:none;font-weight:500;display:inline-flex;align-items:center;gap:4px;transition:all .2s;border-bottom:1px solid transparent}.update-link:hover{color:var(--primary-dark);border-bottom-color:var(--primary)}.update-link svg{flex-shrink:0}@media(max-width:768px){.updates-page{padding:60px 0 40px}.updates-header h1{font-size:2rem}.updates-header p{font-size:1.1rem}.update-entry{padding:32px 24px;margin-bottom:24px}.update-version h2{font-size:1.6rem}.section-title{font-size:1.2rem}.update-content{gap:24px}}@media(max-width:480px){.update-entry{padding:24px 20px}.update-version h2{font-size:1.4rem}.section-title{font-size:1.1rem;gap:8px}.section-icon{width:18px;height:18px}.update-list li{font-size:.95rem;padding-left:20px}}.leaderboard-page{min-height:100vh;background:var(--bg-primary);padding:100px 0 60px}.leaderboard-header{text-align:center;margin-bottom:50px}.leaderboard-header h1{font-size:2.8rem;color:var(--text-primary);margin-bottom:12px;font-weight:700;letter-spacing:-.5px}.leaderboard-header p{font-size:1.1rem;color:var(--text-secondary);max-width:600px;margin:0 auto}.leaderboard-container{max-width:850px;margin:0 auto;padding:0 20px}.loading-state,.error-state{text-align:center;padding:60px 20px}.loading-spinner{width:45px;height:45px;border:3px solid var(--border);border-top:3px solid var(--accent-primary);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 20px}.error-state p{color:var(--text-secondary);margin-bottom:20px}.empty-leaderboard{text-align:center;padding:80px 20px;background:var(--bg-card);border-radius:16px;border:1px solid var(--border)}.empty-icon{color:var(--text-secondary);margin-bottom:20px}.empty-leaderboard h3{color:var(--text-primary);margin-bottom:12px;font-size:1.5rem}.empty-leaderboard p{color:var(--text-secondary)}.leaderboard-list{display:grid;gap:14px}.leaderboard-item{display:grid;grid-template-columns:70px 1fr auto;align-items:center;gap:20px;padding:18px 24px;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;transition:all .2s ease;position:relative}.leaderboard-item:hover{border-color:var(--accent-primary);transform:translate(4px);box-shadow:0 4px 12px #0000001a}.leaderboard-item.rank-1{background:linear-gradient(to right,rgba(255,215,0,.08),var(--bg-card));border-left:4px solid #ffd700}.leaderboard-item.rank-2{background:linear-gradient(to right,rgba(192,192,192,.08),var(--bg-card));border-left:4px solid #c0c0c0}.leaderboard-item.rank-3{background:linear-gradient(to right,rgba(205,127,50,.08),var(--bg-card));border-left:4px solid #cd7f32}.rank-section{display:flex;align-items:center;justify-content:center;gap:10px}.rank-number{font-size:1.4rem;font-weight:700;color:var(--text-primary);min-width:35px;text-align:center}.rank-1 .rank-number{color:gold;font-size:1.6rem}.rank-2 .rank-number{color:silver;font-size:1.5rem}.rank-3 .rank-number{color:#cd7f32;font-size:1.5rem}.rank-icon{flex-shrink:0}.rank-icon.gold{color:gold}.rank-icon.silver{color:silver}.rank-icon.bronze{color:#cd7f32}.rank-icon.default{color:var(--text-muted);opacity:.5}.user-info{display:flex;flex-direction:column;gap:6px;min-width:0}.username{display:flex;align-items:center;gap:10px;font-size:1.05rem;font-weight:600;color:var(--text-primary)}.leaderboard-username-link{color:var(--text-primary);text-decoration:none;transition:color .2s}.leaderboard-username-link:hover{color:var(--accent-primary)}.leaderboard-profile-link{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border);border-radius:6px;text-decoration:none;transition:all .2s;flex-shrink:0}.leaderboard-profile-link:hover{background:var(--accent-primary);color:var(--bg-primary);border-color:var(--accent-primary)}.level{font-size:.9rem;color:var(--text-secondary);font-weight:500}.xp-section{display:flex;flex-direction:column;align-items:flex-end;gap:2px;min-width:100px}.xp-amount{font-size:1.4rem;font-weight:700;color:var(--accent-primary);line-height:1}.xp-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-weight:600}@media(max-width:768px){.leaderboard-page{padding:80px 0 40px}.leaderboard-header h1{font-size:2.2rem}.leaderboard-item{grid-template-columns:60px 1fr auto;gap:16px;padding:16px 20px}.rank-section{gap:8px}.rank-number{font-size:1.2rem;min-width:30px}.rank-1 .rank-number{font-size:1.4rem}.rank-2 .rank-number,.rank-3 .rank-number{font-size:1.3rem}.username{font-size:1rem}.xp-amount{font-size:1.2rem}.xp-section{min-width:85px}}@media(max-width:480px){.leaderboard-item{grid-template-columns:50px 1fr 75px;gap:12px;padding:14px 16px}.rank-section{flex-direction:column;gap:4px}.rank-number{font-size:1rem;min-width:auto}.rank-1 .rank-number{font-size:1.2rem}.rank-2 .rank-number,.rank-3 .rank-number{font-size:1.1rem}.rank-icon{width:16px;height:16px}.username{font-size:.95rem;gap:8px}.level{font-size:.85rem}.xp-section{min-width:70px}.xp-amount{font-size:1.1rem}.xp-label{font-size:.7rem}.leaderboard-profile-link{width:20px;height:20px}}.leaderboard-tabs{display:flex;gap:12px;margin-bottom:32px;border-bottom:2px solid var(--border)}.leaderboard-tab{display:flex;align-items:center;gap:8px;padding:12px 24px;background:transparent;border:none;color:var(--text-secondary);font-size:1rem;font-weight:600;cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-2px;transition:all .2s ease}.leaderboard-tab:hover{color:var(--text-primary);background:var(--bg-secondary)}.leaderboard-tab.active{color:var(--accent-primary);border-bottom-color:var(--accent-primary)}.leaderboard-tab.competitive{color:#f59e0b}.competitive-leaderboard-section{margin-bottom:60px}.competitive-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px;padding:24px;background:linear-gradient(135deg,#f59e0b1a,#f59e0b0d);border:1px solid rgba(245,158,11,.2);border-radius:12px}.competitive-title{display:flex;align-items:center;gap:16px}.competitive-icon{color:#f59e0b;animation:competitive-pulse 2s ease-in-out infinite}@keyframes competitive-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.competitive-title h2{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin:0 0 4px}.competitive-title p{font-size:.875rem;color:var(--text-secondary);margin:0}.competitive-timer{display:flex;align-items:center;gap:12px;padding:12px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:8px}.timer-content{display:flex;flex-direction:column;gap:2px}.timer-label{font-size:.75rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.timer-value{font-size:1.125rem;font-weight:700;color:#f59e0b;font-family:Courier New,monospace}.competitive-leaderboard-list{display:flex;flex-direction:column;gap:12px}.competitive-item{display:flex;align-items:center;gap:20px;padding:20px 24px;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;transition:all .2s ease}.competitive-item:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.competitive-item.rank-1{border-color:#fbbf24;background:linear-gradient(135deg,rgba(251,191,36,.1),transparent)}.competitive-item.rank-2{border-color:#94a3b8;background:linear-gradient(135deg,rgba(148,163,184,.1),transparent)}.competitive-item.rank-3{border-color:#cd7f32;background:linear-gradient(135deg,rgba(205,127,50,.1),transparent)}.competitive-rank{display:flex;align-items:center;gap:12px;min-width:80px}.competitive-rank .rank-number{font-size:1.25rem;font-weight:700;color:var(--text-primary)}.competitive-user{flex:1;display:flex;flex-direction:column;gap:4px}.competitive-username{font-size:1.125rem;font-weight:600;color:var(--text-primary);text-decoration:none;transition:color .2s ease}.competitive-username:hover{color:var(--accent-primary)}.competitive-level{font-size:.875rem;color:var(--text-secondary)}.competitive-xp{display:flex;align-items:center;gap:6px;padding:8px 16px;background:#f59e0b1a;border-radius:8px;color:#f59e0b;font-weight:600}.competitive-reward{display:flex;align-items:center;gap:8px;padding:10px 20px;background:linear-gradient(135deg,#eab30833,#eab3081a);border:1px solid rgba(234,179,8,.3);border-radius:8px}.gold-icon{color:#eab308}.gold-amount{font-size:1.125rem;font-weight:700;color:#eab308}.empty-competitive{text-align:center;padding:60px 24px;color:var(--text-secondary)}.empty-competitive svg{color:#f59e0b;margin-bottom:16px}@media(max-width:768px){.competitive-header{flex-direction:column;gap:20px;align-items:flex-start}.competitive-timer{width:100%;justify-content:center}.competitive-item{flex-wrap:wrap;gap:12px}.competitive-rank{min-width:60px}.competitive-user{flex:1 1 100%}.competitive-xp,.competitive-reward{flex:1}}.competitive-actions{display:flex;align-items:center;gap:16px}.competitive-shop-link{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;background:linear-gradient(135deg,#eab30833,#eab3081a);border:2px solid rgba(234,179,8,.4);color:#eab308;font-size:.9375rem;font-weight:600;border-radius:8px;text-decoration:none;transition:all .3s ease}.competitive-shop-link:hover{background:linear-gradient(135deg,#eab3084d,#eab30826);border-color:#eab30899;transform:translateY(-2px);box-shadow:0 4px 12px #eab3084d}@media(max-width:768px){.competitive-actions{flex-direction:column;width:100%;gap:12px}.competitive-shop-link{width:100%;justify-content:center}}.lab-page{min-height:100vh;padding:120px 0 80px;background:var(--bg-primary)}.lab-auth-notice{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:40px;text-align:center;margin-bottom:60px;max-width:600px;margin-left:auto;margin-right:auto}.lab-auth-notice h2{color:var(--text-primary);font-size:28px;font-weight:600;margin-bottom:16px;letter-spacing:-.5px}.lab-auth-notice p{color:var(--text-secondary);font-size:16px;line-height:1.6;margin-bottom:24px}.lab-content{max-width:1200px;margin:0 auto}.lab-header{text-align:center;margin-bottom:60px}.lab-header h1{font-size:clamp(36px,5vw,48px);font-weight:600;color:var(--text-primary);margin-bottom:16px;letter-spacing:-1px}.lab-header p{font-size:18px;color:var(--text-secondary);max-width:600px;margin:0 auto;line-height:1.6}.lab-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:32px;margin-top:40px}.lab-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:32px;transition:all .3s ease;position:relative;overflow:hidden}.lab-card:hover{border-color:var(--border-light);transform:translateY(-4px);box-shadow:0 8px 32px var(--shadow)}.card-background-image{position:absolute;top:-20px;left:-20px;width:200px;height:200px;opacity:.1;transform:rotate(-15deg);transition:all .3s ease;z-index:1;pointer-events:none}.card-background-image img{width:100%;height:100%;object-fit:contain;filter:blur(1px);transition:all .3s ease}.lab-card:hover .card-background-image{opacity:.15;transform:rotate(-10deg) scale(1.05)}.lab-card:hover .card-background-image img{filter:blur(.5px)}.card-content{position:relative;z-index:2}.card-content h3{font-size:24px;font-weight:600;color:var(--text-primary);margin-bottom:8px;letter-spacing:-.3px}.card-description{font-size:14px;color:var(--text-muted);font-weight:500;text-transform:uppercase;letter-spacing:.5px;margin-bottom:16px}.card-details{color:var(--text-secondary);font-size:15px;line-height:1.6;margin-bottom:24px}.coming-soon{opacity:.6;cursor:not-allowed;font-size:14px;padding:10px 20px}.coming-soon:hover{background:var(--bg-card);border-color:var(--border);transform:none}@media(max-width:768px){.lab-page{padding:100px 0 60px}.lab-auth-notice{padding:32px 24px;margin-bottom:40px}.lab-auth-notice h2{font-size:24px}.lab-header{margin-bottom:40px}.lab-header h1{font-size:32px}.lab-header p{font-size:16px}.lab-cards{grid-template-columns:1fr;gap:24px}.lab-card{padding:24px}.card-content{padding-right:0}.card-content h3{font-size:20px}.card-background-image{width:150px;height:150px;top:-15px;left:-15px}}.terminal-page{min-height:100vh;padding:2rem 0;background:var(--bg-primary)}.terminal-header{text-align:center;margin-bottom:2rem}.terminal-header h1{color:var(--text-primary);font-size:2.5rem;margin-bottom:.5rem}.terminal-header p{color:var(--text-secondary);font-size:1.1rem}.terminal-auth-notice{text-align:center;padding:3rem;background:var(--bg-card);border-radius:12px;margin:2rem auto;max-width:500px;border:1px solid var(--border)}.terminal-auth-notice h2{color:var(--text-primary);margin-bottom:1rem}.terminal-auth-notice p{color:var(--text-secondary);margin-bottom:2rem}.terminal-content{display:grid;grid-template-columns:300px 1fr;gap:2rem;height:calc(100vh - 200px)}.terminal-sidebar{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:1.5rem;display:flex;flex-direction:column;gap:1.5rem}.terminal-difficulty-filter h3,.terminal-questions-list h3,.terminal-progress-stats h3{color:var(--text-primary);margin-bottom:1rem;font-size:1.1rem}.terminal-filter-buttons{display:flex;gap:.5rem;flex-wrap:wrap}.terminal-filter-btn{padding:.5rem 1rem;border:1px solid var(--border);background:var(--bg-secondary);color:var(--text-secondary);border-radius:6px;cursor:pointer;transition:all .2s ease;font-size:.8rem;font-weight:500}.terminal-filter-btn:hover{background:var(--bg-tertiary);border-color:var(--border-light)}.terminal-filter-btn.active{background:var(--accent-primary);color:var(--bg-primary);border-color:var(--accent-primary)}.terminal-unsolved-filter{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border)}.terminal-checkbox-label{display:flex;align-items:center;gap:.5rem;cursor:pointer;color:var(--text-secondary);font-size:.9rem;-webkit-user-select:none;user-select:none}.terminal-checkbox{width:18px;height:18px;cursor:pointer;accent-color:var(--accent-primary)}.terminal-checkbox-label:hover{color:var(--text-primary)}.terminal-questions-scroll{max-height:300px;overflow-y:auto;padding-right:.5rem}.terminal-questions-scroll::-webkit-scrollbar{width:6px}.terminal-questions-scroll::-webkit-scrollbar-track{background:var(--bg-secondary);border-radius:3px}.terminal-questions-scroll::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.terminal-questions-scroll::-webkit-scrollbar-thumb:hover{background:var(--border-light)}.terminal-question-item{display:flex;align-items:center;gap:.75rem;padding:.75rem;border-radius:8px;cursor:pointer;transition:all .2s ease;border:1px solid transparent}.terminal-question-item:hover{background:var(--bg-tertiary)}.terminal-question-item.active{background:var(--accent-primary);color:var(--bg-primary);border-color:var(--accent-primary)}.terminal-question-item.solved{background:#22c55e1a;border-color:var(--success)}.terminal-question-item.solved.active{background:var(--success);color:#fff}.terminal-question-number{background:var(--bg-secondary);color:var(--text-primary);width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:600;flex-shrink:0}.terminal-question-item.active .terminal-question-number{background:#fff3;color:var(--bg-primary)}.terminal-question-item.solved .terminal-question-number{background:var(--success);color:#fff}.terminal-question-title{font-size:.9rem;flex:1}.terminal-solved-indicator{color:var(--success);font-weight:700}.terminal-progress-stats{border-top:1px solid var(--border);padding-top:1.5rem}.terminal-stat-item{display:flex;justify-content:space-between;align-items:center;padding:.5rem 0;color:var(--text-secondary)}.terminal-stat-item span:last-child{font-weight:600;color:var(--text-primary)}.terminal-main{display:flex;flex-direction:column;gap:1.5rem}.terminal-question-header{background:var(--bg-card);padding:1.5rem;border-radius:12px;border:1px solid var(--border)}.terminal-question-header h2{color:var(--text-primary);margin-bottom:.5rem;font-size:1.5rem}.terminal-question-header p{color:var(--text-secondary);margin-bottom:1rem}.terminal-question-meta{display:flex;gap:1rem;align-items:center}.terminal-difficulty{padding:.25rem .75rem;border-radius:20px;font-size:.8rem;font-weight:600;text-transform:uppercase}.terminal-difficulty.easy{background:#22c55e1a;color:var(--success)}.terminal-difficulty.medium{background:#f59e0b1a;color:var(--warning)}.terminal-difficulty.hard{background:#ef44441a;color:var(--error)}.terminal-points{color:var(--accent-primary);font-weight:600;font-size:.9rem}.terminal-container{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;overflow:hidden;flex:1;display:flex;flex-direction:column}.terminal-header-bar{background:var(--bg-tertiary);padding:.75rem 1rem;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.terminal-buttons{display:flex;gap:.5rem}.terminal-button{width:12px;height:12px;border-radius:50%}.terminal-button.close{background:#ff5f57}.terminal-button.minimize{background:#ffbd2e}.terminal-button.maximize{background:#28ca42}.terminal-title{color:var(--text-secondary);font-size:.9rem;font-family:Courier New,monospace}.terminal-body{flex:1;padding:1rem;background:var(--bg-card);color:#0f0;font-family:Courier New,monospace;font-size:.9rem;line-height:1.4;overflow-y:auto;display:flex;flex-direction:column}[data-theme=light] .terminal-body{background:#f8f9fa;color:#2d3748}[data-theme=light] .terminal-prompt{color:#3182ce!important}[data-theme=light] .terminal-input{color:#2d3748!important}.terminal-input-section{margin-bottom:1rem}.terminal-history{flex:1;margin-bottom:1rem}.terminal-entry{margin-bottom:.5rem}.terminal-command{display:flex;align-items:center;margin-bottom:.25rem}.terminal-prompt{color:#3182ce;margin-right:.5rem;font-weight:600}.terminal-output{margin-left:1rem;margin-bottom:.5rem}.terminal-output.success{color:#22c55e}.terminal-output.error{color:#ef4444}.terminal-input-form{margin-top:auto}.terminal-input-line{display:flex;align-items:center}.terminal-input{flex:1;background:transparent;border:none;outline:none;color:#0f0;font-family:Courier New,monospace;font-size:.9rem;padding:0}.terminal-input::placeholder{color:var(--text-secondary);opacity:.6}.terminal-question-completed{background:#22c55e1a;color:var(--success);padding:1rem;border-radius:8px;text-align:center;margin-top:1rem;font-weight:600;border:1px solid var(--success)}.terminal-loading{text-align:center;padding:3rem;color:var(--text-secondary);font-size:1.1rem}@media(max-width:768px){.terminal-content{grid-template-columns:1fr;height:auto}.terminal-sidebar{order:2}.terminal-main{order:1}.terminal-questions-scroll{max-height:200px}.terminal-filter-buttons{justify-content:center}.terminal-container{min-height:400px}}@media(max-width:480px){.terminal-page{padding:1rem 0}.terminal-header h1{font-size:2rem}.terminal-question-meta{flex-direction:column;align-items:flex-start;gap:.5rem}}.terminal-question-header{display:flex;gap:2rem;align-items:flex-start}.terminal-question-info{flex:1}.terminal-answers-section{min-width:250px;max-width:300px}.terminal-accepted-commands{background:#22c55e1a;border:1px solid var(--success);border-radius:8px;padding:1rem}.terminal-accepted-commands h3{color:var(--success);margin-bottom:.75rem;font-size:.9rem;display:flex;align-items:center;gap:.5rem}.terminal-commands-list{display:flex;flex-direction:column;gap:.5rem}.terminal-command-item{background:var(--bg-card);border:1px solid var(--border);border-radius:4px;padding:.5rem}.terminal-command-item code{color:var(--text-primary);font-family:Courier New,monospace;font-size:.8rem;background:none;padding:0}.terminal-locked-answers{background:#9ca3af1a;border:1px solid var(--border);border-radius:8px;padding:1rem;text-align:center}.terminal-locked-answers h3{color:var(--text-secondary);margin-bottom:.5rem;font-size:.9rem;display:flex;align-items:center;justify-content:center;gap:.5rem}.terminal-locked-answers p{color:var(--text-secondary);font-size:.8rem;margin-bottom:1rem}.terminal-unlock-btn{background:var(--accent-primary);color:var(--bg-primary);border:none;padding:.5rem 1rem;border-radius:6px;cursor:pointer;font-size:.8rem;font-weight:500;transition:all .2s ease;display:flex;align-items:center;gap:.5rem;margin:0 auto}.terminal-unlock-btn:hover{background:var(--accent-secondary);transform:translateY(-1px)}.terminal-modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000}.terminal-modal{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;max-width:500px;width:90%;max-height:80vh;overflow:hidden;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.terminal-modal-header{background:var(--bg-tertiary);padding:1rem 1.5rem;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.terminal-modal-header h3{color:var(--text-primary);margin:0;font-size:1.1rem}.terminal-modal-close{background:none;border:none;color:var(--text-secondary);font-size:1.5rem;cursor:pointer;padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:all .2s ease}.terminal-modal-close:hover{background:var(--bg-secondary);color:var(--text-primary)}.terminal-modal-body{padding:1.5rem;max-height:60vh;overflow-y:auto}.terminal-modal-body .terminal-commands-list{gap:.75rem}.terminal-modal-body .terminal-command-item{padding:.75rem;background:var(--bg-primary);border:1px solid var(--border)}.terminal-modal-body .terminal-command-item code{font-size:.9rem}@media(max-width:768px){.terminal-question-header{flex-direction:column;gap:1rem}.terminal-answers-section{min-width:auto;max-width:none;width:100%}.terminal-modal{width:95%;margin:1rem}.terminal-modal-header{padding:.75rem 1rem}.terminal-modal-body{padding:1rem}}.terminal-solved-indicator{color:var(--success)}.terminal-question-item.active .terminal-solved-indicator{color:var(--bg-primary)}.terminal-accepted-commands h3,.terminal-locked-answers h3{display:flex;align-items:center;gap:.5rem}.terminal-unlock-btn{display:flex;align-items:center;gap:.5rem;justify-content:center}.terminal-question-completed{display:flex;align-items:center;justify-content:center;gap:.5rem}.terminal-more-commands{background:var(--bg-tertiary);border:1px dashed var(--border);border-radius:4px;padding:.5rem;text-align:center;color:var(--text-secondary);font-size:.8rem;font-style:italic}.terminal-confirm-modal{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;max-width:400px;width:90%;overflow:hidden;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.terminal-confirm-modal .terminal-modal-body p{color:var(--text-secondary);margin-bottom:1.5rem;line-height:1.5}.terminal-confirm-buttons{display:flex;gap:1rem;justify-content:flex-end}.terminal-btn-cancel,.terminal-btn-confirm{padding:.5rem 1rem;border-radius:6px;font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s ease;border:none;display:flex;align-items:center;gap:.5rem}.terminal-btn-cancel{background:var(--bg-secondary);color:var(--text-secondary);border:1px solid var(--border)}.terminal-btn-cancel:hover{background:var(--bg-tertiary);color:var(--text-primary)}.terminal-btn-confirm{background:var(--accent-primary);color:var(--bg-primary)}.terminal-btn-confirm:hover{background:var(--accent-secondary);transform:translateY(-1px)}.terminal-modal-close{display:flex;align-items:center;justify-content:center}@media(max-width:480px){.terminal-confirm-modal{width:95%;margin:1rem}.terminal-confirm-buttons{flex-direction:column;gap:.5rem}.terminal-btn-cancel,.terminal-btn-confirm{width:100%;justify-content:center}}.terminal-modal,.terminal-confirm-modal{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}.terminal-modal-body .terminal-command-item code{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;pointer-events:none}.terminal-modal-body .terminal-commands-list,.terminal-modal *,.terminal-confirm-modal *{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.terminal-modal-body .terminal-command-item{-webkit-user-drag:none;-khtml-user-drag:none;-moz-user-drag:none;-o-user-drag:none;user-drag:none}.terminal-no-questions{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;padding:3rem;text-align:center;color:var(--text-secondary)}.terminal-no-questions svg{color:var(--text-muted);margin-bottom:1.5rem;opacity:.5}.terminal-no-questions h3{font-size:1.5rem;color:var(--text-primary);margin-bottom:.5rem}.terminal-no-questions p{font-size:1rem;max-width:400px;margin:0}.is-page{padding:80px 0;background:var(--bg-primary);position:relative;min-height:calc(100vh - 200px)}.is-page:before{content:"";position:absolute;top:0;left:0;right:0;height:200px;background:linear-gradient(135deg,rgba(59,130,246,.05) 0%,transparent 50%);pointer-events:none}.is-container{max-width:1200px;margin:0 auto;padding:0 2rem;position:relative;z-index:2}.is-header{text-align:center;margin-bottom:2rem;position:relative}.is-header h1{color:var(--text-primary);font-size:2.5rem;margin-bottom:0;position:relative;display:inline-block}.is-header h1:after{content:"";position:absolute;bottom:-8px;left:50%;transform:translate(-50%);width:60px;height:3px;background:linear-gradient(90deg,var(--accent-primary),var(--accent-secondary));border-radius:2px}.is-auth-notice{text-align:center;padding:3rem;background:var(--bg-card);border-radius:16px;margin:2rem auto;max-width:500px;border:1px solid var(--border);box-shadow:0 8px 32px #0000001a;transition:all .3s ease}.is-auth-notice:hover{transform:translateY(-4px);box-shadow:0 12px 40px #00000026}.is-auth-notice h2{color:var(--text-primary);margin-bottom:1rem}.is-auth-notice p{color:var(--text-secondary);margin-bottom:2rem}.is-loading{text-align:center;padding:3rem;color:var(--text-secondary);font-size:1.1rem;position:relative}.is-loading:after{content:"";position:absolute;bottom:1rem;left:50%;transform:translate(-50%);width:40px;height:4px;background:linear-gradient(90deg,var(--accent-primary),var(--accent-secondary));border-radius:2px;animation:loading-pulse 1.5s ease-in-out infinite}@keyframes loading-pulse{0%,to{opacity:.3;transform:translate(-50%) scaleX(1)}50%{opacity:1;transform:translate(-50%) scaleX(1.5)}}.is-content{display:grid;grid-template-columns:350px 1fr;gap:2rem;align-items:start}.is-sidebar{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:1.5rem;position:relative;box-shadow:0 4px 20px #00000014;transition:all .3s ease;height:fit-content}.is-sidebar:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--accent-primary),var(--accent-secondary));border-radius:16px 16px 0 0}.is-sidebar:hover{box-shadow:0 8px 32px #0000001f}.is-sidebar h3{color:var(--text-primary);margin-bottom:1rem;font-size:1.1rem;font-weight:600;position:relative;padding-left:12px}.is-sidebar h3:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:16px;background:var(--accent-primary);border-radius:2px}.is-problems-list{display:flex;flex-direction:column;gap:1rem}.is-problem-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;padding:1rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.is-problem-card:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);transition:left .5s ease}.is-problem-card:hover{background:var(--bg-tertiary);border-color:var(--border-light);transform:translateY(-2px);box-shadow:0 4px 16px #0000001a}.is-problem-card:hover:before{left:100%}.is-problem-card.active{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));color:var(--bg-primary);border-color:var(--accent-primary);transform:translateY(-2px);box-shadow:0 8px 25px #3b82f64d}.is-problem-card.completed{background:linear-gradient(135deg,#22c55e1a,#22c55e0d);border-color:var(--success);position:relative}.is-problem-card.completed:after{content:"";position:absolute;top:8px;right:8px;width:8px;height:8px;background:var(--success);border-radius:50%;animation:success-pulse 2s ease-in-out infinite}@keyframes success-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(1.2)}}.is-problem-card.completed.active{background:linear-gradient(135deg,var(--success),#16a34a);color:#fff}.is-problem-header{display:flex;align-items:center;gap:.75rem;margin-bottom:.5rem}.is-problem-number{background:var(--bg-primary);color:var(--text-primary);width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:600;flex-shrink:0;transition:all .3s ease;position:relative}.is-problem-number:before{content:"";position:absolute;inset:-2px;border-radius:50%;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));opacity:0;transition:opacity .3s ease;z-index:-1}.is-problem-card:hover .is-problem-number:before{opacity:.2}.is-problem-card.active .is-problem-number{background:#fff3;color:var(--bg-primary);transform:scale(1.1)}.is-problem-card.completed .is-problem-number{background:var(--success);color:#fff}.is-problem-header h4{margin:0;font-size:.9rem;flex:1;font-weight:600}.is-completed-icon{color:var(--success);animation:check-bounce .5s ease-out}@keyframes check-bounce{0%{transform:scale(0)}50%{transform:scale(1.2)}to{transform:scale(1)}}.is-problem-card.active .is-completed-icon{color:var(--bg-primary)}.is-problem-meta{display:flex;gap:1rem;font-size:.8rem;color:var(--text-secondary)}.is-problem-card.active .is-problem-meta{color:#fffc}.is-problem-card.completed .is-problem-meta{color:var(--text-secondary)}.is-problem-card.completed.active .is-problem-meta{color:#ffffffe6}.is-problem-xp,.is-problem-lang{display:flex;align-items:center;gap:.25rem;transition:transform .2s ease}.is-problem-card:hover .is-problem-xp,.is-problem-card:hover .is-problem-lang{transform:translate(2px)}.is-main{display:flex;flex-direction:column;gap:1.5rem}.is-problem-details{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:1.5rem;position:relative;box-shadow:0 4px 20px #00000014;transition:all .3s ease}.is-problem-details:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--accent-primary),var(--accent-secondary));border-radius:16px 16px 0 0}.is-problem-details:hover{box-shadow:0 8px 32px #0000001f}.is-problem-details h2{color:var(--text-primary);margin-bottom:1rem;font-size:1.5rem;font-weight:700}.is-problem-info{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:start}.is-problem-left{display:flex;flex-direction:column;margin-top:0;padding-top:0}.is-problem-left>*:first-child{margin-top:0}.is-problem-right{display:flex;flex-direction:column;gap:1rem;margin-top:0;padding-top:0}.is-problem-right>*:first-child{margin-top:0}.is-problem-description h3,.is-problem-example h3{color:var(--text-primary);margin-bottom:.5rem;margin-top:0;font-size:1rem;font-weight:600;position:relative;padding-left:12px}.is-problem-description h3:before,.is-problem-example h3:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:16px;background:var(--accent-primary);border-radius:2px}.is-problem-example,.is-problem-description{margin-top:0}.is-problem-description>*:first-child,.is-problem-example>*:first-child{margin-top:0!important}.is-problem-description p{color:var(--text-secondary);line-height:1.6}.is-example-section{display:grid;gap:1rem}.is-input-section,.is-output-section{display:flex;flex-direction:column;gap:.5rem}.is-input-section strong,.is-output-section strong{color:var(--text-primary);font-size:.9rem}.is-input-section code,.is-output-section code{background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;padding:.75rem;font-family:Courier New,monospace;color:var(--text-primary);position:relative;transition:all .2s ease}.is-input-section code:hover,.is-output-section code:hover{border-color:var(--border-light);background:var(--bg-tertiary)}.is-problem-reward{display:flex;align-items:center;gap:.5rem;color:var(--accent-primary);font-weight:600;background:#3b82f61a;padding:.75rem 1rem;border-radius:12px;border:1px solid rgba(59,130,246,.2);transition:all .3s ease}.is-problem-reward:hover{background:#3b82f626;transform:translateY(-1px)}.is-code-section{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:1.5rem;display:flex;flex-direction:column;position:relative;box-shadow:0 4px 20px #00000014;transition:all .3s ease}.is-code-section:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--accent-primary),var(--accent-secondary));border-radius:16px 16px 0 0}.is-code-section:hover{box-shadow:0 8px 32px #0000001f}.is-code-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}.is-code-header h3{color:var(--text-primary);margin:0;font-size:1.1rem;font-weight:600}.is-language-badge{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));color:var(--bg-primary);padding:.4rem 1rem;border-radius:20px;font-size:.8rem;font-weight:600;box-shadow:0 2px 8px #3b82f64d;transition:all .3s ease}.is-language-badge:hover{transform:translateY(-1px);box-shadow:0 4px 12px #3b82f666}.is-warning{background:linear-gradient(135deg,#f59e0b1a,#f59e0b0d);border:1px solid var(--warning);color:var(--warning);padding:1rem;border-radius:12px;font-size:.9rem;font-weight:500;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem;position:relative;overflow:hidden}.is-warning:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:var(--warning)}.is-code-editor{min-height:400px;height:auto;background:var(--bg-primary);border:1px solid var(--border);border-radius:12px;padding:1rem;font-family:Courier New,monospace;font-size:.9rem;color:var(--text-primary);resize:vertical;line-height:1.5;transition:all .3s ease;position:relative}.is-code-editor:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #3b82f61a}.is-code-editor::placeholder{color:var(--text-secondary)}.is-submit-section{margin-top:1rem;display:flex;justify-content:flex-end}.is-submit-btn{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));color:var(--bg-primary);border:none;padding:.875rem 2rem;border-radius:12px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:.5rem;position:relative;overflow:hidden;box-shadow:0 4px 16px #3b82f64d}.is-submit-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}.is-submit-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 25px #3b82f666}.is-submit-btn:hover:not(:disabled):before{left:100%}.is-submit-btn:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:0 2px 8px #3b82f633}.is-result{margin-top:1rem;padding:1rem;border-radius:12px;border:1px solid;position:relative;animation:result-slide-in .3s ease-out}@keyframes result-slide-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.is-result.success{background:linear-gradient(135deg,#22c55e1a,#22c55e0d);border-color:var(--success);color:var(--success)}.is-result.success:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:var(--success);border-radius:12px 0 0 12px}.is-result.error{background:linear-gradient(135deg,#ef44441a,#ef44440d);border-color:var(--error);color:var(--error)}.is-result.error:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:var(--error);border-radius:12px 0 0 12px}.is-result-message{font-weight:600;margin-bottom:.5rem}.is-result-xp{font-size:.9rem;opacity:.9;font-weight:600;animation:xp-glow 1s ease-in-out}@keyframes xp-glow{0%,to{opacity:.9}50%{opacity:1;transform:scale(1.02)}}@media(max-width:768px){.is-page{padding:60px 0}.is-container{padding:0 1rem}.is-content{grid-template-columns:1fr;gap:1.5rem}.is-sidebar{order:2}.is-main{order:1}.is-code-editor{min-height:300px}.is-problem-info{grid-template-columns:1fr;gap:1rem}}@media(max-width:480px){.is-page{padding:40px 0}.is-container{padding:0 .5rem}.is-header h1{font-size:2rem}.is-problem-details,.is-code-section{padding:1rem}.is-submit-section{justify-content:stretch}.is-submit-btn{width:100%;justify-content:center}.is-problem-info{grid-template-columns:1fr;gap:1rem}.is-problem-right{gap:1rem}}.is-code-editor-locked{cursor:default}.is-input-copy-section{margin-top:16px;border:1px solid var(--border);border-radius:8px;overflow:hidden}.is-input-copy-header{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--bg-secondary);border-bottom:1px solid var(--border)}.is-input-copy-label{font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.is-copy-btn{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;background:var(--bg-card);border:1px solid var(--border);border-radius:6px;color:var(--text-secondary);font-size:12px;font-weight:500;cursor:pointer;font-family:inherit;transition:all .15s}.is-copy-btn:hover{border-color:var(--border-light);color:var(--text-primary);background:var(--bg-tertiary)}.is-input-display{padding:12px 14px;font-family:Fira Code,Consolas,monospace;font-size:13px;color:var(--text-primary);background:var(--bg-card);margin:0;white-space:pre-wrap;word-break:break-all}.is-output-submit-row{display:flex;gap:12px;align-items:flex-start;margin-top:16px}.is-output-input{flex:1;padding:12px 14px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:14px;font-family:Fira Code,Consolas,monospace;resize:vertical;outline:none;transition:border-color .2s;min-height:80px}.is-output-input:focus{border-color:var(--border-light)}.is-output-input::placeholder{color:var(--text-muted);font-family:inherit}.is-submit-btn{display:flex;align-items:center;gap:8px;padding:12px 20px;background:var(--accent-primary);color:var(--bg-primary);border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;transition:opacity .2s;white-space:nowrap;flex-shrink:0}.is-submit-btn:hover:not(:disabled){opacity:.85}.is-submit-btn:disabled{opacity:.4;cursor:not-allowed}.user-profile-page{min-height:100vh;padding:2rem 0;background:var(--bg-primary)}.user-profile-loading,.user-profile-error{text-align:center;padding:3rem;color:var(--text-secondary)}.user-profile-error h2{color:var(--text-primary);margin-bottom:1rem}.user-profile-header{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:2rem;margin-bottom:2rem;display:flex;align-items:center;justify-content:space-between;gap:2rem}.user-profile-left{display:flex;align-items:center;gap:2rem;flex:1}.user-profile-avatar{background:var(--accent-primary);color:var(--bg-primary);width:80px;height:80px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.user-profile-info{flex:1}.user-profile-username{color:var(--text-primary);font-size:2rem;font-weight:600;margin-bottom:1rem}.user-profile-badges{display:flex;gap:1rem}.user-profile-role{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:.5rem 1rem;border-radius:20px;font-size:.9rem;font-weight:600;text-transform:capitalize;position:relative;overflow:hidden}.user-profile-role[data-role=admin]{background:linear-gradient(135deg,#ff6b00,#ff0844,#ffb800);background-size:200% 200%;animation:fireGradient 3s ease infinite;box-shadow:0 0 20px #ff6b0080,0 0 40px #ff08444d}.user-profile-role[data-role=admin]:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.3) 0%,transparent 70%);animation:fireFlicker 2s ease-in-out infinite;pointer-events:none}.user-profile-role[data-role=admin]:after{content:"";position:absolute;inset:0;background:linear-gradient(45deg,transparent 30%,rgba(255,255,255,.2) 50%,transparent 70%);animation:fireShine 3s linear infinite;pointer-events:none}@keyframes fireFlicker{0%,to{opacity:.8;transform:scale(1) rotate(0)}25%{opacity:.6;transform:scale(1.1) rotate(5deg)}50%{opacity:.9;transform:scale(.95) rotate(-5deg)}75%{opacity:.7;transform:scale(1.05) rotate(3deg)}}.user-profile-role[data-role=mod]{background:linear-gradient(135deg,#4facfe,#00f2fe);background-size:200% 200%;animation:modGradient 3s ease infinite;box-shadow:0 0 20px #4facfe80,0 0 40px #00f2fe4d}.user-profile-role[data-role=mod]:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.3) 0%,transparent 70%);animation:modFlicker 2s ease-in-out infinite;pointer-events:none}.user-profile-role[data-role=mod]:after{content:"";position:absolute;inset:0;background:linear-gradient(45deg,transparent 30%,rgba(255,255,255,.2) 50%,transparent 70%);animation:modShine 3s linear infinite;pointer-events:none}@keyframes modFlicker{0%,to{opacity:.8;transform:scale(1) rotate(0)}25%{opacity:.6;transform:scale(1.1) rotate(5deg)}50%{opacity:.9;transform:scale(.95) rotate(-5deg)}75%{opacity:.7;transform:scale(1.05) rotate(3deg)}}.user-profile-role[data-role=helper]{background:linear-gradient(135deg,#43e97b,#38f9d7);background-size:200% 200%;animation:helperGradient 3s ease infinite;box-shadow:0 0 20px #43e97b80,0 0 40px #38f9d74d}.user-profile-role[data-role=helper]:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.3) 0%,transparent 70%);animation:helperFlicker 2s ease-in-out infinite;pointer-events:none}.user-profile-role[data-role=helper]:after{content:"";position:absolute;inset:0;background:linear-gradient(45deg,transparent 30%,rgba(255,255,255,.2) 50%,transparent 70%);animation:helperShine 3s linear infinite;pointer-events:none}@keyframes helperFlicker{0%,to{opacity:.8;transform:scale(1) rotate(0)}25%{opacity:.6;transform:scale(1.1) rotate(5deg)}50%{opacity:.9;transform:scale(.95) rotate(-5deg)}75%{opacity:.7;transform:scale(1.05) rotate(3deg)}}.user-profile-level{background:var(--accent-primary);color:var(--bg-primary);padding:.5rem 1rem;border-radius:20px;font-size:.9rem;font-weight:600}.user-profile-xp{background:var(--success);color:#fff;padding:.5rem 1rem;border-radius:20px;font-size:.9rem;font-weight:600}.user-profile-stats{margin-bottom:2rem}.user-profile-stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.user-profile-stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:1.5rem;display:flex;align-items:center;gap:1rem;transition:all .2s ease}.user-profile-stat-card:hover{border-color:var(--border-light);transform:translateY(-2px)}.user-profile-stat-icon{background:var(--bg-secondary);color:var(--accent-primary);width:48px;height:48px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.user-profile-stat-content{flex:1}.user-profile-stat-number{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin-bottom:.25rem}.user-profile-stat-label{font-size:.9rem;color:var(--text-secondary)}.user-profile-details{display:grid;gap:2rem}.user-profile-section{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:1.5rem}.user-profile-section h3{color:var(--text-primary);font-size:1.1rem;font-weight:600;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}.user-profile-preferred-category{display:flex;align-items:center;gap:1rem;background:var(--bg-secondary);padding:1rem;border-radius:8px}.user-profile-category-icon{font-size:2rem}.user-profile-category-name{font-size:1.2rem;font-weight:600;color:var(--text-primary)}.user-profile-category-stats{display:grid;gap:.75rem}.user-profile-category-stat{display:flex;justify-content:space-between;align-items:center;padding:.75rem;background:var(--bg-secondary);border-radius:6px}.user-profile-category-label{font-weight:500;color:var(--text-primary);display:flex;align-items:center}.user-profile-category-value{font-weight:600;color:var(--accent-primary);background:var(--bg-primary);padding:.25rem .75rem;border-radius:12px;font-size:.9rem}.user-profile-account-info{display:grid;gap:.75rem}.user-profile-info-item{display:flex;justify-content:space-between;align-items:center;padding:.75rem;background:var(--bg-secondary);border-radius:6px}.user-profile-info-label{font-weight:500;color:var(--text-secondary)}.user-profile-info-value{font-weight:600;color:var(--text-primary)}@media(max-width:768px){.user-profile-page{padding:1rem 0}.user-profile-header{flex-direction:column;text-align:center;gap:1rem}.user-profile-username{font-size:1.5rem}.user-profile-badges{justify-content:center;flex-wrap:wrap;gap:.5rem}.user-profile-role,.user-profile-level,.user-profile-xp{padding:.35rem .7rem;font-size:.75rem;white-space:nowrap}.user-profile-stats-grid{grid-template-columns:repeat(2,1fr)}.user-profile-stat-card{flex-direction:column;text-align:center;gap:.75rem}.user-profile-preferred-category{flex-direction:column;text-align:center;gap:.5rem}}@media(max-width:480px){.user-profile-stats-grid{grid-template-columns:1fr}.user-profile-header{padding:1.5rem}.user-profile-section{padding:1rem}}.user-profile-achievements{display:flex;gap:1rem;align-items:center}.profile-badge{width:60px;height:60px;border-radius:12px;display:flex;align-items:center;justify-content:center;position:relative;transition:all .3s ease;cursor:pointer;border:2px solid var(--border);background:var(--bg-secondary)}.profile-badge.unlocked{background:linear-gradient(135deg,var(--badge-color),color-mix(in srgb,var(--badge-color) 80%,black));border-color:var(--badge-color);box-shadow:0 4px 16px color-mix(in srgb,var(--badge-color) 30%,transparent)}.profile-badge.locked{opacity:.3;filter:grayscale(100%)}.profile-badge:hover{transform:translateY(-4px) scale(1.05)}.profile-badge.unlocked:hover{box-shadow:0 8px 25px color-mix(in srgb,var(--badge-color) 40%,transparent)}.badge-icon{color:#fff;display:flex;align-items:center;justify-content:center;position:relative;z-index:2}.profile-badge.locked .badge-icon{color:var(--text-muted)}.badge-rank{position:absolute;bottom:-8px;right:-8px;background:var(--badge-color);color:#fff;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;border:2px solid var(--bg-card);box-shadow:0 2px 8px #0003}.profile-badge:before{content:"";position:absolute;inset:0;border-radius:12px;background:linear-gradient(135deg,transparent,rgba(255,255,255,.2),transparent);opacity:0;transition:opacity .3s ease}.profile-badge.unlocked:hover:before{opacity:1}.profile-badge.unlocked{animation:badge-unlock .6s ease-out}@keyframes badge-unlock{0%{transform:scale(0) rotate(-180deg);opacity:0}50%{transform:scale(1.2) rotate(10deg)}to{transform:scale(1) rotate(0);opacity:1}}@media(max-width:768px){.user-profile-header{flex-direction:column;align-items:flex-start}.user-profile-left{width:100%}.user-profile-achievements{width:100%;justify-content:center;padding-top:1rem;border-top:1px solid var(--border)}.profile-badge{width:50px;height:50px}.badge-rank{width:20px;height:20px;font-size:.6rem;bottom:-6px;right:-6px}}@media(max-width:480px){.user-profile-achievements{gap:.75rem}.profile-badge{width:45px;height:45px}}.badge-tooltip{position:absolute;top:calc(100% + 12px);left:50%;transform:translate(-50%);background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:12px;min-width:200px;box-shadow:0 8px 32px #0003;z-index:1000;animation:tooltip-appear-down .2s ease-out;pointer-events:none}.badge-tooltip:before{content:"";position:absolute;bottom:100%;left:50%;transform:translate(-50%);border:6px solid transparent;border-bottom-color:var(--border)}.badge-tooltip:after{content:"";position:absolute;bottom:100%;left:50%;transform:translate(-50%);border:5px solid transparent;border-bottom-color:var(--bg-card);margin-bottom:-1px}@keyframes tooltip-appear-down{0%{opacity:0;transform:translate(-50%) translateY(-5px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.badge-tooltip-header{display:flex;align-items:center;gap:8px;margin-bottom:8px;padding-bottom:8px;border-bottom:1px solid var(--border)}.badge-tooltip-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);flex-shrink:0}.badge-tooltip-title{font-size:.9rem;font-weight:600;color:var(--text-primary);flex:1}.badge-tooltip-description{font-size:.8rem;color:var(--text-secondary);line-height:1.4;margin-bottom:8px}.badge-tooltip-status{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;padding:4px 8px;border-radius:6px;text-align:center}.unlocked-status{background:#22c55e1a;color:var(--success);border:1px solid rgba(34,197,94,.2)}.locked-status{background:#6b72801a;color:var(--text-muted);border:1px solid rgba(107,114,128,.2)}@media(max-width:768px){.badge-tooltip{min-width:180px;padding:10px;font-size:.85rem}.badge-tooltip-icon{width:28px;height:28px}.badge-tooltip-title{font-size:.85rem}.badge-tooltip-description{font-size:.75rem}}@media(max-width:480px){.badge-tooltip{min-width:160px;padding:8px}.badge-tooltip-header{gap:6px;margin-bottom:6px;padding-bottom:6px}}.user-profile-role[data-role=head-mod]{background:linear-gradient(135deg,#667eea,#764ba2,#4facfe);background-size:200% 200%;animation:headModGradient 3s ease infinite;box-shadow:0 0 20px #667eea80,0 0 40px #764ba24d}.user-profile-role[data-role=head-mod]:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.3) 0%,transparent 70%);animation:headModFlicker 2s ease-in-out infinite;pointer-events:none}.user-profile-role[data-role=head-mod]:after{content:"";position:absolute;inset:0;background:linear-gradient(45deg,transparent 30%,rgba(255,255,255,.2) 50%,transparent 70%);animation:headModShine 3s linear infinite;pointer-events:none}@keyframes headModFlicker{0%,to{opacity:.8;transform:scale(1) rotate(0)}25%{opacity:.6;transform:scale(1.1) rotate(5deg)}50%{opacity:.9;transform:scale(.95) rotate(-5deg)}75%{opacity:.7;transform:scale(1.05) rotate(3deg)}}.user-profile-role[data-role=head-admin]{background:linear-gradient(135deg,gold,#ff8c00,#ff4500);background-size:200% 200%;animation:headAdminGradient 3s ease infinite;box-shadow:0 0 25px #ffd70099,0 0 50px #ff8c0066}.user-profile-role[data-role=head-admin]:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.4) 0%,transparent 70%);animation:headAdminFlicker 2s ease-in-out infinite;pointer-events:none}.user-profile-role[data-role=head-admin]:after{content:"";position:absolute;inset:0;background:linear-gradient(45deg,transparent 30%,rgba(255,255,255,.3) 50%,transparent 70%);animation:headAdminShine 3s linear infinite;pointer-events:none}@keyframes headAdminFlicker{0%,to{opacity:.85;transform:scale(1) rotate(0)}25%{opacity:.65;transform:scale(1.12) rotate(6deg)}50%{opacity:.95;transform:scale(.93) rotate(-6deg)}75%{opacity:.75;transform:scale(1.08) rotate(4deg)}}.user-profile-role[data-role=root]{background:linear-gradient(135deg,#1a0033,#4a0080,#8b00ff 60%,#f0f);background-size:300% 300%;animation:rootGradient 4s ease infinite;box-shadow:0 0 30px #8a00ffcc,0 0 60px #ff00ff80,inset 0 0 30px #8a00ff4d;border:2px solid rgba(138,0,255,.5)}.user-profile-role[data-role=root]:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.5) 0%,transparent 70%);animation:rootFlicker 1.5s ease-in-out infinite;pointer-events:none}.user-profile-role[data-role=root]:after{content:"";position:absolute;inset:0;background:linear-gradient(45deg,transparent 20%,rgba(255,255,255,.4) 50%,transparent 80%);animation:rootShine 2.5s linear infinite;pointer-events:none}@keyframes rootFlicker{0%,to{opacity:.9;transform:scale(1) rotate(0)}25%{opacity:.7;transform:scale(1.15) rotate(8deg)}50%{opacity:1;transform:scale(.92) rotate(-8deg)}75%{opacity:.8;transform:scale(1.1) rotate(5deg)}}.profile-badge.legendary{animation:legendary-badge-glow 2s ease-in-out infinite}@keyframes legendary-badge-glow{0%,to{box-shadow:0 0 15px #60a5fa66}50%{box-shadow:0 0 25px #60a5fa99}}.profile-badge.legendary .badge-icon{animation:legendary-badge-pulse 2s ease-in-out infinite}@keyframes legendary-badge-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.forum-page{display:flex;height:calc(100vh - 80px);background:var(--bg-primary)}.forum-auth-notice{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;width:100%;gap:1.5rem;color:var(--text-muted)}.forum-auth-notice h2{font-size:2rem;color:var(--text-primary);margin:0}.forum-auth-notice p{font-size:1rem;margin:0;text-align:center;max-width:400px}.forum-auth-notice .btn{margin-top:1rem}.forum-sidebar{width:35%;max-width:400px;background:var(--bg-card);border-right:1px solid var(--border);display:flex;flex-direction:column;transition:all .3s ease;position:relative}.forum-sidebar.closed{width:0;min-width:0;border-right:none}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:1rem;border-bottom:1px solid var(--border);margin-bottom:1rem}.sidebar-header h2{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin:0}.sidebar-toggle{background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;padding:.5rem;cursor:pointer;color:var(--text-primary);transition:all .2s;display:flex;align-items:center;justify-content:center}.sidebar-toggle:hover{background:var(--bg-tertiary)}.sidebar-open-btn{position:fixed;top:100px;left:1rem;background:var(--bg-card);border:1px solid var(--border);border-radius:6px;padding:.75rem;cursor:pointer;color:var(--text-primary);transition:all .2s;z-index:50;box-shadow:0 2px 8px #0000001a}.sidebar-open-btn:hover{background:var(--bg-tertiary);border-color:var(--border-light)}.sidebar-content{display:flex;flex-direction:column;overflow-y:auto;height:100%}.sidebar-nav{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1.5rem;padding:0 1rem}.sidebar-nav-btn{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);cursor:pointer;transition:all .2s;text-decoration:none;font-size:15px;font-weight:500}.sidebar-nav-btn:hover{background:var(--bg-tertiary);border-color:var(--border-light)}.sidebar-nav-btn.active{background:var(--accent-primary);color:var(--bg-primary);border-color:var(--accent-primary)}.friends-section{display:flex;flex-direction:column;gap:1.5rem;padding:0 1rem 1rem}.friend-request-form{display:flex;gap:.5rem}.friend-request-form input{flex:1;padding:.75rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:14px}.friend-request-form button{padding:.75rem 1rem;background:var(--accent-primary);color:var(--bg-primary);border:none;border-radius:6px;cursor:pointer;transition:all .2s}.friend-request-form button:hover:not(:disabled){opacity:.9}.friend-request-form button:disabled{opacity:.5;cursor:not-allowed}.friend-message{padding:.75rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;font-size:14px;color:var(--text-secondary);text-align:center}.friend-requests h3,.friends-list h3{font-size:14px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:.75rem}.friend-request-card{display:flex;align-items:center;justify-content:space-between;padding:.75rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;margin-bottom:.5rem}.friend-request-info{display:flex;flex-direction:column;gap:.25rem}.friend-name{font-weight:600;color:var(--text-primary);font-size:14px}.friend-level{font-size:12px;color:var(--text-muted)}.friend-request-actions{display:flex;gap:.5rem}.accept-btn,.reject-btn{padding:.5rem;border:none;border-radius:6px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;min-width:36px;min-height:36px}.accept-btn{background:#16a34a;color:#fff}.accept-btn:hover{background:#15803d}.reject-btn{background:#dc2626;color:#fff}.reject-btn:hover{background:#b91c1c}.friends-list{max-height:calc(100vh - 500px);overflow-y:auto}.no-friends{padding:2rem;text-align:center;color:var(--text-muted);font-size:14px}.friend-card{display:flex;align-items:center;justify-content:space-between;padding:.75rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;margin-bottom:.5rem;transition:all .2s;cursor:pointer}.friend-card:hover{border-color:var(--border-light);background:var(--bg-tertiary)}.friend-info{display:flex;flex-direction:column;gap:.25rem;flex:1}.friend-name-link{font-weight:600;color:var(--text-primary);font-size:14px;text-decoration:none;transition:color .2s;width:fit-content}.friend-name-link:hover{color:var(--accent-primary);text-decoration:underline}.message-icon{color:var(--text-muted);flex-shrink:0}.forum-main{flex:1;display:flex;flex-direction:column;background:var(--bg-primary)}.forum-welcome{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-muted);gap:1rem}.forum-welcome h2{font-size:2rem;color:var(--text-primary);margin:0}.forum-welcome p{font-size:1rem;margin:0}.conversation-view{display:flex;flex-direction:column;height:100%}.conversation-header{display:flex;align-items:center;justify-content:space-between;padding:1.5rem;background:var(--bg-card);border-bottom:1px solid var(--border)}.conversation-header h2{font-size:1.25rem;margin:0;color:var(--text-primary)}.conversation-header button{padding:.5rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;cursor:pointer;color:var(--text-primary);transition:all .2s}.conversation-header button:hover{background:var(--bg-tertiary)}.messages-container{flex:1;overflow-y:auto;padding:1.5rem;display:flex;flex-direction:column;gap:1rem}.message{width:40%;padding:1rem 1.25rem;border-radius:12px;display:flex;flex-direction:column;gap:.35rem}.message.sent{align-self:flex-end;background:var(--accent-primary);color:var(--bg-primary)}.message.received{align-self:flex-start;background:var(--bg-card);border:1px solid var(--border)}.message-author{font-size:13px;font-weight:600;opacity:.85;margin-bottom:.15rem}.message-text{font-size:15px;line-height:1.6;word-wrap:break-word;word-break:break-word}.message-time{font-size:11px;opacity:.6;text-align:right}.message-input-container{display:flex;gap:.75rem;padding:1.5rem;background:var(--bg-card);border-top:1px solid var(--border)}.message-input-container input{flex:1;padding:.75rem 1rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:14px}.message-input-container button{padding:.75rem 1.25rem;background:var(--accent-primary);color:var(--bg-primary);border:none;border-radius:8px;cursor:pointer;transition:all .2s;font-weight:600;min-width:60px}.message-input-container button:hover:not(:disabled){opacity:.9}.message-input-container button:disabled{opacity:.5;cursor:not-allowed}@media(max-width:1024px){.forum-sidebar{width:40%}}@media(max-width:768px){.forum-sidebar{position:fixed;width:85%;max-width:350px;height:100%;z-index:100;transform:translate(0);transition:transform .3s ease}.forum-sidebar.closed{transform:translate(-100%);width:85%}.forum-main{width:100%}.message{width:60%}}@media(max-width:480px){.forum-sidebar{width:90%;max-width:none}.sidebar-header h2{font-size:1.1rem}.conversation-header,.messages-container,.message-input-container{padding:1rem}.message{width:75%}}.forum-content{flex:1;overflow-y:auto;padding:2rem}.edit-forum-btn{position:fixed;top:100px;right:2rem;display:flex;align-items:center;gap:.5rem;padding:.75rem 1.25rem;background:var(--accent-primary);color:var(--bg-primary);border:none;border-radius:8px;cursor:pointer;font-weight:600;font-size:14px;transition:all .2s;z-index:50;box-shadow:0 2px 8px #0000001a}.edit-forum-btn:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 4px 12px #00000026}.forum-zones{max-width:1200px;margin:0 auto}.forum-zone{margin-bottom:2rem}.zone-title{font-size:1.5rem;font-weight:700;color:var(--text-primary);margin-bottom:1rem;padding-bottom:.5rem;border-bottom:2px solid var(--border)}.zone-items{display:flex;flex-direction:column;gap:.5rem}.zone-item{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.25rem;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;transition:all .2s;cursor:pointer}.zone-item:hover{background:var(--bg-secondary);border-color:var(--border-light);transform:translate(4px)}.zone-item-left{display:flex;align-items:center;gap:1rem;flex:1}.item-icon{color:var(--accent-primary);flex-shrink:0}.item-name{font-size:15px;font-weight:500;color:var(--text-primary)}.zone-item-stats{display:flex;flex-direction:column;align-items:flex-end;gap:.15rem;padding-left:1rem;border-left:1px solid var(--border)}.post-count{font-size:18px;font-weight:700;color:var(--accent-primary);line-height:1}.post-label{font-size:11px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.zone-separator{height:1px;background:var(--border);margin:1.5rem 0}.forum-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-muted);gap:1rem;padding:4rem 2rem}.forum-empty h2{font-size:2rem;color:var(--text-primary);margin:0}.forum-empty p{font-size:1rem;margin:0}.forum-edit-mode{max-width:1200px;margin:0 auto}.forum-edit-mode h2{font-size:1.75rem;font-weight:700;color:var(--text-primary);margin-bottom:2rem}.add-zone-btn{display:flex;align-items:center;gap:.5rem;padding:.75rem 1.25rem;background:var(--accent-primary);color:var(--bg-primary);border:none;border-radius:8px;cursor:pointer;font-weight:600;font-size:14px;transition:all .2s;margin-bottom:2rem}.add-zone-btn:hover{opacity:.9}.edit-zone{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:1.5rem;margin-bottom:1.5rem}.edit-zone-header{display:flex;align-items:center;gap:.75rem;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid var(--border)}.order-input{width:60px;padding:.5rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:14px;text-align:center;font-weight:600}.name-input{flex:1;padding:.5rem .75rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:15px;font-weight:600}.delete-btn{padding:.5rem;background:#dc2626;color:#fff;border:none;border-radius:6px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;min-width:36px;min-height:36px}.delete-btn:hover{background:#b91c1c}.edit-items{display:flex;flex-direction:column;gap:.75rem}.edit-item{display:flex;align-items:center;gap:.5rem;padding:.75rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px}.order-input-small{width:50px;padding:.4rem;background:var(--bg-primary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:13px;text-align:center;font-weight:600}.icon-select{padding:.4rem .5rem;background:var(--bg-primary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:13px;cursor:pointer;min-width:140px}.name-input-small{flex:1;padding:.4rem .75rem;background:var(--bg-primary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:14px}.delete-btn-small{padding:.4rem;background:#dc2626;color:#fff;border:none;border-radius:6px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;min-width:32px;min-height:32px}.delete-btn-small:hover{background:#b91c1c}.add-item-btn{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:var(--bg-secondary);border:1px dashed var(--border);border-radius:8px;color:var(--text-secondary);cursor:pointer;font-size:13px;font-weight:500;transition:all .2s;margin-top:.5rem}.add-item-btn:hover{background:var(--bg-tertiary);border-color:var(--border-light);color:var(--text-primary)}@media(max-width:768px){.forum-content{padding:1rem}.edit-forum-btn{right:1rem;padding:.6rem 1rem;font-size:13px}.zone-title{font-size:1.25rem}.zone-item{padding:.75rem 1rem}.zone-item-stats{padding-left:.75rem}.post-count{font-size:16px}.post-label{font-size:10px}.edit-zone{padding:1rem}.edit-zone-header{flex-wrap:wrap}.order-input{width:50px}.edit-item{flex-wrap:wrap}.icon-select{min-width:120px}}.modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.modal-content{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;width:90%;max-width:500px;box-shadow:0 10px 40px #0000004d;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:1.5rem;border-bottom:1px solid var(--border)}.modal-header h3{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin:0}.modal-close{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:.5rem;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:all .2s}.modal-close:hover{background:var(--bg-secondary);color:var(--text-primary)}.modal-body{padding:1.5rem;display:flex;flex-direction:column;gap:1.25rem}.modal-field{display:flex;flex-direction:column;gap:.5rem}.modal-field label{font-size:14px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.modal-field input,.modal-field select{padding:.75rem 1rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:15px;transition:all .2s}.modal-field input:focus,.modal-field select:focus{outline:none;border-color:var(--accent-primary);background:var(--bg-primary)}.modal-field select{cursor:pointer}.modal-footer{display:flex;gap:.75rem;padding:1.5rem;border-top:1px solid var(--border);justify-content:flex-end}.modal-btn-cancel,.modal-btn-submit{padding:.75rem 1.5rem;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}.modal-btn-cancel{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border)}.modal-btn-cancel:hover{background:var(--bg-tertiary)}.modal-btn-submit{background:var(--accent-primary);color:var(--bg-primary)}.modal-btn-submit:hover{opacity:.9}@media(max-width:768px){.modal-content{width:95%;max-width:none;margin:1rem}.modal-header,.modal-body,.modal-footer{padding:1rem}}.item-topics-view{max-width:1200px;margin:0 auto}.item-header{margin-bottom:2rem}.back-btn{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);cursor:pointer;font-size:14px;transition:all .2s;margin-bottom:1rem}.back-btn:hover{background:var(--bg-tertiary)}.item-title{display:flex;align-items:center;gap:.75rem;font-size:2rem;font-weight:700;color:var(--text-primary);margin:0}.item-title-icon{color:var(--accent-primary)}.edit-item-btn{position:fixed;top:100px;right:2rem;display:flex;align-items:center;gap:.5rem;padding:.75rem 1.25rem;background:var(--accent-primary);color:var(--bg-primary);border:none;border-radius:8px;cursor:pointer;font-weight:600;font-size:14px;transition:all .2s;z-index:50;box-shadow:0 2px 8px #0000001a}.edit-item-btn:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 4px 12px #00000026}.topics-list{display:flex;flex-direction:column;gap:.75rem}.no-topics{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 2rem;color:var(--text-muted);gap:1rem}.no-topics p{font-size:1rem;margin:0}.topic-card{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.25rem 1.5rem;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;transition:all .2s;cursor:pointer}.topic-card:hover{background:var(--bg-secondary);border-color:var(--border-light);transform:translate(4px)}.topic-left{flex:1;display:flex;flex-direction:column;gap:.5rem}.topic-title{font-size:16px;font-weight:600;color:var(--text-primary);margin:0}.topic-meta{display:flex;align-items:center;gap:1rem;font-size:13px;color:var(--text-muted)}.topic-author{font-weight:500}.topic-date{opacity:.8}.topic-stats{display:flex;flex-direction:column;align-items:flex-end;gap:.15rem;padding-left:1rem;border-left:1px solid var(--border)}.reply-count{font-size:18px;font-weight:700;color:var(--accent-primary);line-height:1}.reply-label{font-size:11px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.delete-topic-btn{padding:.5rem;background:transparent;border:1px solid var(--border);border-radius:6px;color:var(--text-muted);cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.delete-topic-btn:hover{background:#dc2626;border-color:#dc2626;color:#fff}@media(max-width:768px){.item-title{font-size:1.5rem}.edit-item-btn{right:1rem;padding:.6rem 1rem;font-size:13px}.topic-card{padding:1rem;flex-wrap:wrap}.topic-stats{padding-left:.75rem}.reply-count{font-size:16px}.delete-topic-btn{margin-left:auto}}.sidebar-profile-link{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.75rem 1rem;border:1px solid var(--border);border-radius:8px;color:#fff;cursor:pointer;transition:all .2s;text-decoration:none;font-size:15px;font-weight:600;position:relative;overflow:hidden}.profile-link-left{display:flex;align-items:center;gap:.75rem;position:relative;z-index:1}.profile-username{position:relative;z-index:1}.profile-role-badge{position:relative;z-index:1;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;padding:.25rem .5rem;background:#0000004d;border-radius:4px;white-space:nowrap}.sidebar-profile-link[data-role=helper]{background:linear-gradient(135deg,#43e97b,#38f9d7);background-size:200% 200%;animation:helperGradient 3s ease infinite;box-shadow:0 0 15px #43e97b66}.sidebar-profile-link[data-role=helper]:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.3) 0%,transparent 70%);animation:helperFlicker 2s ease-in-out infinite;pointer-events:none}.sidebar-profile-link[data-role=helper]:after{content:"";position:absolute;inset:0;background:linear-gradient(45deg,transparent 30%,rgba(255,255,255,.2) 50%,transparent 70%);animation:helperShine 3s linear infinite;pointer-events:none}.sidebar-profile-link[data-role=mod]{background:linear-gradient(135deg,#4facfe,#00f2fe);background-size:200% 200%;animation:modGradient 3s ease infinite;box-shadow:0 0 15px #4facfe66}.sidebar-profile-link[data-role=mod]:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.3) 0%,transparent 70%);animation:modFlicker 2s ease-in-out infinite;pointer-events:none}.sidebar-profile-link[data-role=mod]:after{content:"";position:absolute;inset:0;background:linear-gradient(45deg,transparent 30%,rgba(255,255,255,.2) 50%,transparent 70%);animation:modShine 3s linear infinite;pointer-events:none}.sidebar-profile-link[data-role=head-mod]{background:linear-gradient(135deg,#667eea,#764ba2,#4facfe);background-size:200% 200%;animation:headModGradient 3s ease infinite;box-shadow:0 0 15px #667eea66}.sidebar-profile-link[data-role=head-mod]:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.3) 0%,transparent 70%);animation:headModFlicker 2s ease-in-out infinite;pointer-events:none}.sidebar-profile-link[data-role=head-mod]:after{content:"";position:absolute;inset:0;background:linear-gradient(45deg,transparent 30%,rgba(255,255,255,.2) 50%,transparent 70%);animation:headModShine 3s linear infinite;pointer-events:none}.sidebar-profile-link[data-role=admin]{background:linear-gradient(135deg,#ff6b00,#ff0844,#ffb800);background-size:200% 200%;animation:fireGradient 3s ease infinite;box-shadow:0 0 15px #ff6b0066}.sidebar-profile-link[data-role=admin]:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.3) 0%,transparent 70%);animation:fireFlicker 2s ease-in-out infinite;pointer-events:none}.sidebar-profile-link[data-role=admin]:after{content:"";position:absolute;inset:0;background:linear-gradient(45deg,transparent 30%,rgba(255,255,255,.2) 50%,transparent 70%);animation:fireShine 3s linear infinite;pointer-events:none}.sidebar-profile-link[data-role=head-admin]{background:linear-gradient(135deg,gold,#ff8c00,#ff4500);background-size:200% 200%;animation:headAdminGradient 3s ease infinite;box-shadow:0 0 20px #ffd70080}.sidebar-profile-link[data-role=head-admin]:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.4) 0%,transparent 70%);animation:headAdminFlicker 2s ease-in-out infinite;pointer-events:none}.sidebar-profile-link[data-role=head-admin]:after{content:"";position:absolute;inset:0;background:linear-gradient(45deg,transparent 30%,rgba(255,255,255,.3) 50%,transparent 70%);animation:headAdminShine 3s linear infinite;pointer-events:none}.sidebar-profile-link[data-role=root]{background:linear-gradient(135deg,#1a0033,#4a0080,#8b00ff 60%,#f0f);background-size:300% 300%;animation:rootGradient 4s ease infinite;box-shadow:0 0 20px #8a00ff99,0 0 40px #f0f6}.sidebar-profile-link[data-role=root]:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.5) 0%,transparent 70%);animation:rootFlicker 1.5s ease-in-out infinite;pointer-events:none}.sidebar-profile-link[data-role=root]:after{content:"";position:absolute;inset:0;background:linear-gradient(45deg,transparent 20%,rgba(255,255,255,.4) 50%,transparent 80%);animation:rootShine 2s linear infinite;pointer-events:none}@keyframes helperGradient{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}@keyframes helperFlicker{0%,to{opacity:.8}50%{opacity:1}}@keyframes helperShine{0%{transform:translate(-100%) translateY(-100%) rotate(45deg)}to{transform:translate(100%) translateY(100%) rotate(45deg)}}@keyframes modGradient{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}@keyframes modFlicker{0%,to{opacity:.8}50%{opacity:1}}@keyframes modShine{0%{transform:translate(-100%) translateY(-100%) rotate(45deg)}to{transform:translate(100%) translateY(100%) rotate(45deg)}}@keyframes headModGradient{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}@keyframes headModFlicker{0%,to{opacity:.8}50%{opacity:1}}@keyframes headModShine{0%{transform:translate(-100%) translateY(-100%) rotate(45deg)}to{transform:translate(100%) translateY(100%) rotate(45deg)}}@keyframes fireGradient{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}@keyframes fireFlicker{0%,to{opacity:.7}50%{opacity:1}}@keyframes fireShine{0%{transform:translate(-100%) translateY(-100%) rotate(45deg)}to{transform:translate(100%) translateY(100%) rotate(45deg)}}@keyframes headAdminGradient{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}@keyframes headAdminFlicker{0%,to{opacity:.8}50%{opacity:1}}@keyframes headAdminShine{0%{transform:translate(-100%) translateY(-100%) rotate(45deg)}to{transform:translate(100%) translateY(100%) rotate(45deg)}}@keyframes rootGradient{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}@keyframes rootFlicker{0%,to{opacity:.6}50%{opacity:1}}@keyframes rootShine{0%{transform:translate(-100%) translateY(-100%) rotate(45deg)}to{transform:translate(100%) translateY(100%) rotate(45deg)}}.sidebar-profile-link:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000004d}.topic-view{max-width:1200px;margin:0 auto}.topic-view-header{margin-bottom:2rem}.topic-view-title{font-size:2rem;font-weight:700;color:var(--text-primary);margin:1rem 0 0}.edit-topic-btn{position:fixed;top:100px;right:2rem;display:flex;align-items:center;gap:.5rem;padding:.75rem 1.25rem;background:var(--accent-primary);color:var(--bg-primary);border:none;border-radius:8px;cursor:pointer;font-weight:600;font-size:14px;transition:all .2s;z-index:50;box-shadow:0 2px 8px #0000001a}.edit-topic-btn:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 4px 12px #00000026}.topic-main-content{display:flex;gap:2rem;margin-bottom:3rem;padding:2rem;background:var(--bg-card);border:1px solid var(--border);border-radius:12px}.topic-author-card{min-width:200px}.author-link{display:flex;flex-direction:column;align-items:center;gap:1rem;text-decoration:none;padding:1rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;transition:all .2s}.author-link:hover{border-color:var(--accent-primary);transform:translateY(-2px)}.author-avatar{width:80px;height:80px;border-radius:50%;overflow:hidden;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;border:3px solid var(--border);color:var(--text-primary)}.author-avatar img{width:100%;height:100%;object-fit:cover}.author-info{display:flex;flex-direction:column;align-items:center;gap:.5rem;text-align:center}.author-username{font-size:16px;font-weight:600;color:var(--text-primary)}.author-role{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;padding:.25rem .75rem;border-radius:4px;background:var(--bg-tertiary);color:var(--text-secondary)}.author-role[data-role=helper]{background:linear-gradient(135deg,#43e97b,#38f9d7);color:#fff}.author-role[data-role=mod]{background:linear-gradient(135deg,#4facfe,#00f2fe);color:#fff}.author-role[data-role=head-mod]{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.author-role[data-role=admin]{background:linear-gradient(135deg,#ff6b00,#ff0844);color:#fff}.author-role[data-role=head-admin]{background:linear-gradient(135deg,gold,#ff8c00);color:#fff}.author-role[data-role=root]{background:linear-gradient(135deg,#4a0080,#8b00ff);color:#fff}.author-level{font-size:13px;color:var(--text-muted)}.topic-content-area{flex:1}.topic-content-display{padding:1.5rem;background:var(--bg-primary);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);line-height:1.8;font-size:15px;white-space:pre-wrap;word-wrap:break-word;min-height:200px}.topic-edit-form textarea{width:100%;padding:1rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:15px;font-family:inherit;resize:vertical;min-height:200px}.topic-edit-controls{display:flex;flex-direction:column;gap:1rem;margin-top:1rem}.topic-edit-controls label{display:flex;flex-direction:column;gap:.5rem;font-size:14px;font-weight:600;color:var(--text-secondary)}.topic-edit-controls select{padding:.5rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:14px;cursor:pointer}.edit-buttons{display:flex;gap:.75rem}.edit-buttons button{padding:.75rem 1.5rem;border:none;border-radius:6px;font-weight:600;cursor:pointer;transition:all .2s}.edit-buttons button:first-child{background:var(--accent-primary);color:var(--bg-primary)}.edit-buttons button:last-child{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border)}.edit-buttons button:hover{opacity:.9}.topic-replies-section{margin-top:3rem}.topic-replies-section h3{font-size:1.5rem;font-weight:700;color:var(--text-primary);margin-bottom:1.5rem}.replies-list{display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem}.reply-card{padding:1.5rem;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;display:flex;flex-direction:column;gap:1rem}.reply-author{display:flex;align-items:center;gap:1rem;text-decoration:none;width:fit-content}.reply-avatar{width:40px;height:40px;border-radius:50%;overflow:hidden;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;border:2px solid var(--border);color:var(--text-primary)}.reply-avatar img{width:100%;height:100%;object-fit:cover}.reply-author-info{display:flex;flex-direction:column;gap:.25rem}.reply-username{font-size:14px;font-weight:600;color:var(--text-primary)}.reply-role{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;padding:.15rem .5rem;border-radius:3px;background:var(--bg-tertiary);color:var(--text-secondary);width:fit-content}.reply-role[data-role=helper]{background:linear-gradient(135deg,#43e97b,#38f9d7);color:#fff}.reply-role[data-role=mod]{background:linear-gradient(135deg,#4facfe,#00f2fe);color:#fff}.reply-role[data-role=head-mod]{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.reply-role[data-role=admin]{background:linear-gradient(135deg,#ff6b00,#ff0844);color:#fff}.reply-role[data-role=head-admin]{background:linear-gradient(135deg,gold,#ff8c00);color:#fff}.reply-role[data-role=root]{background:linear-gradient(135deg,#4a0080,#8b00ff);color:#fff}.reply-content{padding:1rem;background:var(--bg-secondary);border-radius:6px;color:var(--text-primary);line-height:1.6;font-size:14px;white-space:pre-wrap;word-wrap:break-word}.reply-footer{display:flex;justify-content:space-between;align-items:center;padding-top:.5rem;border-top:1px solid var(--border)}.reply-date{font-size:12px;color:var(--text-muted)}.delete-reply-btn{display:flex;align-items:center;gap:.5rem;padding:.4rem .75rem;background:transparent;border:1px solid var(--border);border-radius:4px;color:var(--text-muted);font-size:12px;cursor:pointer;transition:all .2s}.delete-reply-btn:hover{background:#dc2626;border-color:#dc2626;color:#fff}.pagination{display:flex;align-items:center;justify-content:center;gap:1rem;margin:2rem 0}.pagination button{padding:.5rem 1rem;background:var(--bg-card);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);cursor:pointer;transition:all .2s}.pagination button:hover:not(:disabled){background:var(--bg-secondary);border-color:var(--accent-primary)}.pagination button:disabled{opacity:.5;cursor:not-allowed}.pagination span{font-size:14px;color:var(--text-secondary)}.reply-form{padding:2rem;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;display:flex;flex-direction:column;gap:1rem}.reply-form textarea{width:100%;padding:1rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:14px;font-family:inherit;resize:vertical}.reply-form button{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;background:var(--accent-primary);color:var(--bg-primary);border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s;align-self:flex-end}.reply-form button:hover:not(:disabled){opacity:.9}.reply-form button:disabled{opacity:.5;cursor:not-allowed}@media(max-width:768px){.topic-main-content{flex-direction:column;padding:1.5rem}.topic-author-card{min-width:auto}.edit-topic-btn{right:1rem;padding:.6rem 1rem;font-size:13px}.topic-view-title{font-size:1.5rem}}.reply-form-disabled{padding:2rem;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;text-align:center}.reply-form-disabled p{color:var(--text-secondary);font-size:14px;margin:0}.reply-form-disabled strong{color:var(--accent-primary);text-transform:capitalize}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;gap:1rem}.loading-spinner{width:50px;height:50px;border:4px solid var(--border);border-top-color:var(--accent-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-container p{color:var(--text-secondary);font-size:14px;margin:0}.arena-page{padding:80px 0;min-height:calc(100vh - 200px)}.arena-auth-notice{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;gap:1.5rem;color:var(--text-muted)}.arena-auth-notice h2{font-size:2rem;color:var(--text-primary);margin:0}.arena-auth-notice p{font-size:1rem;margin:0;text-align:center;max-width:400px}.arena-auth-notice .btn{margin-top:1rem}.arena-header{text-align:center;margin-bottom:48px}.arena-header h1{font-size:36px;font-weight:600;margin-bottom:12px}.arena-header p{font-size:16px;color:var(--text-secondary)}.arena-modes-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;max-width:800px;margin:0 auto}.arena-mode-card{background:var(--bg-card);border:2px solid var(--border);border-radius:12px;padding:40px;text-align:center;transition:all .3s ease;cursor:pointer;position:relative}.arena-mode-card:not(.disabled):hover{border-color:var(--accent-primary);transform:translateY(-4px);box-shadow:0 12px 40px #00000026}.arena-mode-card.disabled{opacity:.6;cursor:not-allowed}.mode-icon{width:80px;height:80px;margin:0 auto 24px;display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);border:2px solid var(--border);border-radius:50%;transition:all .3s ease}.mode-icon svg{stroke:var(--text-primary);transition:all .3s ease}.arena-mode-card:not(.disabled):hover .mode-icon{background:var(--accent-primary);border-color:var(--accent-primary);transform:scale(1.1)}.arena-mode-card:not(.disabled):hover .mode-icon svg{stroke:var(--bg-primary)}.arena-mode-card h2{font-size:24px;margin-bottom:12px;color:var(--text-primary)}.arena-mode-card p{font-size:15px;color:var(--text-secondary);margin-bottom:24px}.coming-soon-badge{position:absolute;top:16px;right:16px;background:#f59e0b1a;color:#f59e0b;padding:6px 12px;border-radius:6px;font-size:12px;font-weight:600;border:1px solid rgba(245,158,11,.2)}.arena-friend-menu{max-width:700px;margin:0 auto}.arena-back-btn{margin-bottom:32px;margin-top:8px}.arena-friend-menu h2{font-size:28px;text-align:center;margin-bottom:32px;color:var(--text-primary)}.active-match-banner{background:var(--bg-card);border:2px solid var(--accent-primary);border-radius:12px;padding:20px 24px;margin-bottom:32px;display:flex;align-items:center;justify-content:space-between;gap:16px;animation:slideDown .3s ease-out;box-shadow:0 0 20px rgba(var(--accent-primary-rgb),.2)}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.active-match-banner .banner-content{display:flex;align-items:center;gap:16px;flex:1}.active-match-banner .banner-info h3{font-size:18px;font-weight:600;margin:0 0 4px;color:var(--text-primary)}.active-match-banner .banner-info p{font-size:14px;margin:0;color:var(--text-secondary)}.active-match-banner svg{color:var(--accent-primary)}.active-match-banner .btn{white-space:nowrap}.arena-actions{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-bottom:40px}.arena-action-card{background:var(--bg-card);border:2px solid var(--border);border-radius:12px;padding:32px;text-align:center;transition:all .3s ease;cursor:pointer}.arena-action-card:hover{border-color:var(--accent-primary);transform:translateY(-2px);box-shadow:0 8px 32px #0000001a}.arena-action-card.create-card{cursor:default;border-color:var(--border)}.arena-action-card.create-card:hover{transform:none;box-shadow:none;border-color:var(--border)}.arena-action-card svg{margin-bottom:16px;transition:all .3s ease;stroke:var(--text-primary)}.arena-action-card:hover svg{stroke:var(--accent-primary);transform:scale(1.1)}.arena-action-card.create-card svg{stroke:var(--text-primary)}.arena-action-card.create-card:hover svg{stroke:var(--text-primary);transform:none}.arena-action-card h3{font-size:20px;margin-bottom:8px;color:var(--text-primary)}.arena-action-card p{font-size:14px;color:var(--text-secondary);margin:0}.create-match-form{background:var(--bg-card);border:2px solid var(--border);border-radius:12px;padding:32px}.form-section{margin-bottom:32px}.form-section:last-of-type{margin-bottom:24px}.form-section h4{font-size:14px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:16px}.category-options,.question-options,.mode-options{display:grid;gap:12px}.category-options{grid-template-columns:repeat(2,1fr)}.question-options{grid-template-columns:repeat(3,1fr)}.mode-options{grid-template-columns:1fr}.category-btn,.question-btn,.mode-btn{background:var(--bg-secondary);border:2px solid var(--border);border-radius:8px;padding:16px;cursor:pointer;transition:all .2s ease;color:var(--text-secondary);font-weight:600;display:flex;align-items:center;justify-content:center;gap:8px}.category-btn:hover,.question-btn:hover,.mode-btn:hover{border-color:var(--border-light);background:var(--bg-tertiary)}.category-btn.active,.question-btn.active,.mode-btn.active{border-color:var(--accent-primary);background:var(--bg-tertiary);color:var(--accent-primary)}.category-icon{font-size:20px}.question-btn{flex-direction:column;gap:4px}.question-count{font-size:24px;font-weight:700}.question-time{font-size:12px;color:var(--text-muted)}.mode-btn{justify-content:flex-start;gap:16px;padding:20px}.mode-info{display:flex;flex-direction:column;align-items:flex-start;gap:4px}.mode-name{font-size:16px;font-weight:600;color:var(--text-primary)}.mode-desc{font-size:13px;color:var(--text-secondary);font-weight:400}.btn-large{width:100%;padding:16px;font-size:16px;font-weight:600}.arena-waiting{max-width:600px;margin:0 auto;text-align:center;padding:60px 20px}.waiting-animation{margin-bottom:32px}.swords-icon{color:var(--accent-primary);animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.1);opacity:.8}}.arena-waiting h2{font-size:28px;margin-bottom:16px;color:var(--text-primary)}.arena-waiting p{font-size:16px;color:var(--text-secondary);margin-bottom:24px}.match-id-display{background:var(--bg-card);border:2px solid var(--accent-primary);border-radius:8px;padding:24px;margin-bottom:32px}.match-id{font-size:32px;font-weight:700;color:var(--accent-primary);letter-spacing:4px;font-family:monospace}.waiting-timer{display:flex;align-items:center;justify-content:center;gap:12px;margin:24px 0;padding:16px;background:var(--bg-secondary);border:2px solid var(--border);border-radius:8px}.waiting-timer .timer-text{font-size:28px;font-weight:700;color:var(--text-primary);font-family:monospace}.waiting-timer .timer-text.danger{color:#ef4444;animation:blink 1s ease-in-out infinite}.match-details{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:32px}.detail-item{display:flex;align-items:center;justify-content:center;gap:8px;padding:12px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;font-size:14px;color:var(--text-secondary)}.arena-join{max-width:800px;margin:0 auto}.arena-join h2{font-size:28px;text-align:center;margin-bottom:32px;color:var(--text-primary)}.no-matches{text-align:center;padding:60px 20px;color:var(--text-muted)}.no-matches svg{margin-bottom:16px}.no-matches p{font-size:16px;margin-bottom:24px}.matches-list{display:flex;flex-direction:column;gap:12px}.match-card{background:var(--bg-card);border:2px solid var(--border);border-radius:8px;padding:20px;display:flex;align-items:center;justify-content:space-between;gap:16px;transition:all .2s ease}.match-card:hover{border-color:var(--border-light);background:var(--bg-tertiary)}.match-info{flex:1;display:flex;flex-direction:column;gap:12px}.match-creator{display:flex;align-items:center;gap:12px}.creator-name{font-size:16px;font-weight:600;color:var(--text-primary)}.creator-level{font-size:13px;color:var(--text-secondary);padding:4px 8px;background:var(--bg-secondary);border-radius:4px}.match-details-inline{display:flex;gap:8px;flex-wrap:wrap}.detail-badge{padding:4px 10px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:4px;font-size:12px;font-weight:600;color:var(--text-secondary)}.detail-badge.bloody{background:#ef44441a;color:var(--error);border-color:#ef444433}.arena-match-page{min-height:calc(100vh - 80px);background:var(--bg-primary)}.arena-match-container{display:flex;height:calc(100vh - 80px)}.match-sidebar{width:320px;background:var(--bg-card);border-right:1px solid var(--border);padding:24px;display:flex;flex-direction:column;gap:24px;overflow-y:auto}.match-timer{display:flex;align-items:center;justify-content:center;gap:12px;padding:16px;background:var(--bg-secondary);border:2px solid var(--border);border-radius:8px}.timer-value{font-size:24px;font-weight:700;color:var(--text-primary);font-family:monospace}.timer-value.danger{color:var(--error);animation:blink 1s ease-in-out infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:.5}}.match-players{display:flex;flex-direction:column;gap:12px}.player-card{display:flex;flex-direction:column;gap:4px;padding:12px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px}.player-name{font-size:15px;font-weight:600;color:var(--text-primary)}.player-level{font-size:13px;color:var(--text-secondary)}.vs-divider{text-align:center;font-size:14px;font-weight:700;color:var(--text-muted);padding:8px 0}.match-info{display:flex;flex-direction:column;gap:8px}.info-item{display:flex;align-items:center;gap:8px;padding:10px 12px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;font-size:13px;color:var(--text-secondary)}.arena-question-list{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.arena-question-nav-btn{padding:12px;background:var(--bg-secondary);border:2px solid var(--border);border-radius:6px;font-size:14px;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:all .2s ease}.arena-question-nav-btn:hover{border-color:var(--border-light);background:var(--bg-tertiary)}.arena-question-nav-btn.active{border-color:var(--accent-primary);background:var(--bg-tertiary);color:var(--accent-primary)}.arena-question-nav-btn.submitted{background:#3b82f61a;border-color:var(--accent-primary);color:var(--accent-primary)}.arena-question-nav-btn.answered{background:#f59e0b1a;border-color:#f59e0b;color:#f59e0b}.arena-question-nav-btn.correct{background:#22c55e33;border-color:var(--success);color:var(--success)}.arena-question-nav-btn.incorrect{background:#ef444433;border-color:var(--error);color:var(--error)}.match-content{flex:1;padding:40px;overflow-y:auto}.question-card{max-width:800px;margin:0 auto;background:var(--bg-card);border:2px solid var(--border);border-radius:12px;padding:32px}.question-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.question-number{font-size:14px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.question-meta{display:flex;gap:8px}.question-type,.question-points{padding:4px 10px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:4px;font-size:12px;font-weight:600;color:var(--text-secondary)}.arena-question-tags{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.arena-question-tag{padding:4px 10px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:4px;font-size:12px;font-weight:600;color:var(--text-secondary)}.arena-question-title{font-size:22px;font-weight:600;color:var(--text-primary);margin-bottom:24px;line-height:1.4}.arena-question-hint{padding:12px 16px;background:#3b82f61a;border:1px solid rgba(59,130,246,.2);border-radius:6px;color:#3b82f6;font-size:14px;font-weight:500;margin-bottom:24px}.arena-answers-list{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}.arena-answer-option{display:flex;align-items:center;gap:16px;padding:16px 20px;background:var(--bg-secondary);border:2px solid var(--border);border-radius:8px;cursor:pointer;transition:all .2s ease;text-align:left;position:relative}.arena-answer-option:hover:not(:disabled){border-color:var(--border-light);background:var(--bg-tertiary)}.arena-answer-option.selected{border-color:var(--accent-primary);background:var(--bg-tertiary)}.arena-answer-option.correct{border-color:var(--success);background:#22c55e1a}.arena-answer-option.incorrect{border-color:var(--error);background:#ef44441a}.arena-answer-option:disabled{cursor:not-allowed;opacity:.7}.arena-answer-letter{flex-shrink:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);border:1px solid var(--border);border-radius:6px;font-weight:600;color:var(--text-secondary);transition:all .2s ease}.arena-answer-option.selected .arena-answer-letter{background:var(--accent-primary)!important;color:var(--bg-primary);border-color:var(--accent-primary)!important}.arena-answer-option.correct .arena-answer-letter{background:var(--success)!important;color:#fff!important;border-color:var(--success)!important}.arena-answer-option.incorrect .arena-answer-letter{background:var(--error)!important;color:#fff!important;border-color:var(--error)!important}.arena-answer-text{flex:1;font-size:15px;color:var(--text-primary)}.arena-answer-checkbox{flex-shrink:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border:2px solid var(--border);border-radius:4px;font-size:14px;color:#fff;transition:all .2s ease}.arena-answer-option.selected .arena-answer-checkbox{background:var(--accent-primary);border-color:var(--accent-primary)}.arena-answer-indicator{position:absolute;right:20px;font-size:20px;font-weight:700}.arena-answer-option.correct .arena-answer-indicator{color:var(--success)}.arena-answer-option.incorrect .arena-answer-indicator{color:var(--error)}.arena-quiz-actions{display:flex;gap:12px;margin-top:24px}.arena-quiz-actions .btn{flex:1}.arena-results{max-width:700px;margin:0 auto;padding:60px 20px;text-align:center}.arena-results h1{font-size:32px;margin-bottom:40px;color:var(--text-primary)}.results-display{display:flex;align-items:center;justify-content:center;gap:32px;margin-bottom:40px}.result-card{display:flex;flex-direction:column;gap:12px;padding:32px;background:var(--bg-card);border:2px solid var(--border);border-radius:12px;min-width:200px}.result-label{font-size:14px;color:var(--text-secondary);font-weight:600;text-transform:uppercase;letter-spacing:.5px}.result-score{font-size:48px;font-weight:700;color:var(--text-primary)}.result-vs{font-size:24px;font-weight:700;color:var(--text-muted)}.result-message{padding:40px;background:var(--bg-card);border:2px solid var(--border);border-radius:12px;margin-bottom:32px}.result-message svg{margin-bottom:16px}.result-message h2{font-size:28px;margin-bottom:12px}.result-message p{font-size:16px;color:var(--text-secondary);margin:0}.result-message.victory{border-color:var(--success)}.result-message.victory svg,.result-message.victory h2{color:var(--success)}.result-message.defeat{border-color:var(--error)}.result-message.defeat svg,.result-message.defeat h2{color:var(--error)}.result-message.draw{border-color:#f59e0b}.result-message.draw svg,.result-message.draw h2{color:#f59e0b}.results-actions{display:flex;justify-content:center;gap:12px}@media(max-width:768px){.arena-match-container{flex-direction:column}.match-sidebar{width:100%;border-right:none;border-bottom:1px solid var(--border)}.match-content{padding:20px}.question-card{padding:24px}.results-display{flex-direction:column;gap:16px}.result-vs{transform:rotate(90deg)}.match-details,.category-options,.question-options,.arena-modes-grid{grid-template-columns:1fr}}.category-icon-svg{stroke:var(--text-secondary);transition:all .2s ease}.category-btn.active .category-icon-svg{stroke:var(--accent-primary)}.category-btn:hover .category-icon-svg{stroke:var(--text-primary)}.category-btn.active:hover .category-icon-svg{stroke:var(--accent-primary)}.join-options{display:flex;flex-direction:column;gap:32px}.join-section{background:var(--bg-card);border:2px solid var(--border);border-radius:12px;padding:24px}.join-section h3{font-size:18px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.join-section p{font-size:14px;color:var(--text-secondary);margin-bottom:16px}.code-input-group{display:flex;gap:12px}.code-input{flex:1;padding:12px 16px;background:var(--bg-secondary);border:2px solid var(--border);border-radius:8px;font-size:16px;font-weight:600;color:var(--text-primary);text-align:center;letter-spacing:2px;font-family:monospace;transition:all .2s ease}.code-input:focus{outline:none;border-color:var(--accent-primary)}.code-input::placeholder{color:var(--text-muted);letter-spacing:normal;font-family:inherit;font-weight:400}.join-divider{text-align:center;font-size:14px;font-weight:600;color:var(--text-muted);position:relative;padding:16px 0}.join-divider:before,.join-divider:after{content:"";position:absolute;top:50%;width:40%;height:1px;background:var(--border)}.join-divider:before{left:0}.join-divider:after{right:0}@media(max-width:768px){.code-input-group{flex-direction:column}.join-divider:before,.join-divider:after{width:35%}}.arena-new-main-title{font-size:36px;font-weight:700;text-align:center;margin-bottom:40px;color:var(--text-primary)}.arena-new-main-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:1200px;margin:0 auto}@media(max-width:968px){.arena-new-main-grid{grid-template-columns:1fr}}.arena-new-leaderboard-card,.arena-new-play-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:24px}.arena-new-card-header{display:flex;align-items:center;gap:12px;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border)}.arena-new-card-header svg{color:var(--accent-primary)}.arena-new-card-header h2{font-size:24px;font-weight:600;margin:0;color:var(--text-primary)}.arena-new-leaderboard-list{display:flex;flex-direction:column;gap:12px}.arena-new-leaderboard-item{display:flex;align-items:center;gap:16px;padding:16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;transition:all .2s}.arena-new-leaderboard-item:hover{border-color:var(--accent-primary);transform:translate(4px)}.arena-new-leaderboard-item .arena-new-rank{font-size:20px;font-weight:700;color:var(--accent-primary);min-width:40px}.arena-new-leaderboard-item .arena-new-player-info{flex:1}.arena-new-leaderboard-item .arena-new-player-name{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.arena-new-leaderboard-item .arena-new-player-stats{font-size:13px;color:var(--text-secondary)}.arena-new-leaderboard-item .arena-new-player-xp{font-size:14px;font-weight:600;color:var(--accent-primary)}.arena-new-empty-state{text-align:center;padding:40px 20px;color:var(--text-secondary)}.arena-new-play-card-content{display:flex;flex-direction:column;gap:24px}.arena-new-stats-overview{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.arena-new-stat-item{text-align:center;padding:20px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px}.arena-new-stat-value{font-size:32px;font-weight:700;color:var(--accent-primary);margin-bottom:8px}.arena-new-stat-label{font-size:14px;color:var(--text-secondary)}.arena-new-play-btn{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:8px}.arena-new-match-history-section{margin-top:40px;padding-top:32px;border-top:1px solid var(--border)}.arena-new-match-history-section h3{font-size:20px;font-weight:600;margin-bottom:16px;color:var(--text-primary)}.arena-new-match-history-list{display:flex;flex-direction:column;gap:12px}.arena-new-history-item{display:flex;align-items:center;gap:16px;padding:16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;transition:all .2s}.arena-new-history-item:hover{border-color:var(--accent-primary)}.arena-new-history-result{min-width:40px}.arena-new-result-badge{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;font-weight:700;font-size:14px}.arena-new-result-badge.win{background:#22c55e33;color:#22c55e}.arena-new-result-badge.loss{background:#ef444433;color:#ef4444}.arena-new-result-badge.draw{background:#9ca3af33;color:#9ca3af}.arena-new-history-info{flex:1}.arena-new-history-opponent{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.arena-new-history-details{font-size:13px;color:var(--text-secondary);display:flex;gap:8px}.arena-new-history-date{font-size:13px;color:var(--text-secondary)}.arena-new-loading-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;color:var(--text-secondary);gap:16px}.arena-new-loading-state .spinner{color:var(--accent-primary);animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.arena-new-loading-state p{margin:0;font-size:14px}.arena-new-stats-loading{grid-column:1 / -1;padding:40px 20px}.shop-page{padding:40px 0 80px;background:var(--bg-primary)}.shop-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;gap:16px}.shop-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:48px;gap:24px}.shop-header h1{font-size:2.5rem;font-weight:700;color:var(--text-primary);margin:0 0 8px}.shop-header p{font-size:1rem;color:var(--text-secondary);margin:0}.gold-balance{display:flex;align-items:center;gap:12px;padding:16px 24px;background:linear-gradient(135deg,#eab3081a,#eab3080d);border:2px solid rgba(234,179,8,.3);border-radius:12px}.gold-balance svg{color:#eab308}.gold-balance span{font-size:1.25rem;font-weight:700;color:#eab308}.shop-section{margin-bottom:56px}.shop-section h2{font-size:1.75rem;font-weight:700;color:var(--text-primary);margin:0 0 24px}.special-offers-carousel{position:relative;max-width:600px;margin:0 auto}.carousel-container{overflow:hidden;border-radius:16px}.carousel-track{display:flex;transition:transform .5s ease-in-out}.special-offer-item{flex:0 0 100%;background:var(--bg-card);border:2px solid var(--border);border-radius:16px;padding:40px 32px;text-align:center;position:relative;min-height:400px;display:flex;flex-direction:column;justify-content:center}.carousel-btn{position:absolute;top:50%;transform:translateY(-50%);background:var(--bg-card);border:2px solid var(--border);border-radius:50%;width:48px;height:48px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-primary);transition:all .3s ease;z-index:2}.carousel-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.carousel-btn.prev{left:-60px}.carousel-btn.next{right:-60px}.carousel-indicators{display:flex;justify-content:center;gap:8px;margin-top:24px}.indicator{width:10px;height:10px;border-radius:50%;background:transparent;border:2px solid var(--text-primary);cursor:pointer;transition:all .3s ease;padding:0;opacity:.4}.indicator:hover{opacity:.7}.indicator.active{background:var(--bg-primary);border-color:var(--text-primary);opacity:1;width:32px;border-radius:5px}.sale-badge{position:absolute;top:12px;right:12px;background:#ef4444;color:#fff;font-size:.75rem;font-weight:700;padding:4px 10px;border-radius:6px}.offer-icon{width:96px;height:96px;margin:0 auto 24px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#3b82f626,#3b82f60d);border-radius:20px;color:var(--primary)}.special-offer-item h3{font-size:1.5rem;font-weight:700;color:var(--text-primary);margin:0 0 12px}.special-offer-item p{font-size:1rem;color:var(--text-secondary);margin:0 0 28px;line-height:1.6}.price{display:flex;flex-direction:column;align-items:center;gap:6px;margin-bottom:28px}.old-price{font-size:1rem;color:var(--text-secondary);text-decoration:line-through}.new-price{display:flex;align-items:center;gap:8px;font-size:2rem;font-weight:700;color:#eab308}.special-offer-item button{width:100%;max-width:300px;margin:0 auto;padding:14px;font-weight:600;font-size:1rem}.items-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}.shop-item{background:var(--bg-card);border:2px solid var(--border);border-radius:12px;padding:24px;position:relative;transition:all .3s ease}.shop-item:hover{border-color:var(--primary);box-shadow:0 4px 16px #0000001a;transform:translateY(-2px)}.shop-item-icon{width:64px;height:64px;display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);border-radius:12px;color:var(--primary);margin-bottom:16px}.shop-item h3{font-size:1.125rem;font-weight:700;color:var(--text-primary);margin:0 0 8px}.shop-item p{font-size:.9375rem;color:var(--text-secondary);margin:0 0 20px;line-height:1.5}.item-footer{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:16px;border-top:1px solid var(--border)}.item-footer .price{align-items:flex-start;margin:0}.item-footer .new-price{font-size:1.375rem}.item-footer button{padding:10px 20px;font-weight:600}@media(max-width:768px){.shop-page{padding:24px 0 48px}.shop-header{flex-direction:column;align-items:flex-start;gap:16px}.shop-header h1{font-size:2rem}.gold-balance{width:100%;justify-content:center}.special-offers-carousel{max-width:100%}.carousel-btn.prev{left:8px}.carousel-btn.next{right:8px}.special-offer-item{padding:32px 24px;min-height:380px}.items-grid{grid-template-columns:1fr}}[data-theme=dark] .shop-item:hover,[data-theme=dark] .special-offer-item:hover{box-shadow:0 8px 24px #0000004d}.btn.disabled{opacity:.6;cursor:not-allowed;pointer-events:none;background:var(--bg-secondary)!important;color:var(--text-secondary)!important;border-color:var(--border)!important}.btn.disabled:hover{transform:none!important;box-shadow:none!important}.shop-dialog-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:10000;animation:fadeIn .2s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.shop-dialog{background:var(--bg-card);border-radius:16px;box-shadow:0 20px 60px #0000004d;max-width:400px;width:90%;animation:slideIn .3s ease-out;overflow:hidden}@keyframes slideIn{0%{opacity:0;transform:translateY(-20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.shop-dialog-header{padding:24px 24px 16px;display:flex;align-items:center;gap:12px}.shop-dialog-header.success{background:linear-gradient(135deg,#22c55e1a,#22c55e0d);border-bottom:1px solid rgba(34,197,94,.2)}.shop-dialog-header.error{background:linear-gradient(135deg,#ef44441a,#ef44440d);border-bottom:1px solid rgba(239,68,68,.2)}.shop-dialog-icon{font-size:1.5rem;line-height:1}.shop-dialog-title{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin:0}.shop-dialog-body{padding:0 24px 24px}.shop-dialog-body p{font-size:1rem;color:var(--text-secondary);line-height:1.5;margin:0}.shop-dialog-footer{padding:16px 24px 24px;display:flex;justify-content:flex-end}.shop-dialog-footer .btn{min-width:80px}@media(max-width:768px){.shop-dialog{margin:16px;width:calc(100% - 32px)}.shop-dialog-header{padding:20px 20px 12px}.shop-dialog-body{padding:0 20px 20px}.shop-dialog-footer{padding:12px 20px 20px}}[data-theme=dark] .shop-dialog-overlay{background:#000000b3}[data-theme=dark] .shop-dialog{box-shadow:0 20px 60px #0009}.scripts-page{padding:80px 0;background:var(--bg-primary);min-height:calc(100vh - 200px)}.scripts-container{max-width:1000px;margin:0 auto;padding:0 2rem}.scripts-header{text-align:center;margin-bottom:3rem}.scripts-header-icon{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;background:var(--bg-card);border:1px solid var(--border);border-radius:16px;color:var(--text-primary);margin-bottom:1.25rem}.scripts-header h1{font-size:2.25rem;color:var(--text-primary);margin:0 0 .5rem;font-weight:700}.scripts-header p{color:var(--text-secondary);font-size:1rem;margin:0}.scripts-cards{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;align-items:start}.scripts-info-card,.scripts-action-card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;overflow:hidden}.scripts-info-card-header,.scripts-action-card-header{display:flex;align-items:center;gap:10px;padding:1.125rem 1.5rem;border-bottom:1px solid var(--border);color:var(--text-primary);font-weight:600;font-size:.9rem}.scripts-features{list-style:none;margin:0;padding:1.5rem;display:flex;flex-direction:column;gap:1.25rem}.scripts-features li{display:flex;gap:.875rem;align-items:flex-start}.scripts-check{color:var(--text-secondary);flex-shrink:0;margin-top:2px}.scripts-features li strong{display:block;color:var(--text-primary);font-size:.9rem;margin-bottom:3px}.scripts-features li p{margin:0;color:var(--text-secondary);font-size:.83rem;line-height:1.5}.scripts-actions{padding:1.5rem;display:flex;flex-direction:column;gap:.75rem}.scripts-action-btn{display:flex;align-items:center;gap:1rem;padding:.875rem 1rem;border-radius:10px;text-decoration:none;border:1px solid var(--border);background:var(--bg-secondary);transition:background .15s,border-color .15s}.scripts-action-btn:hover{background:var(--bg-tertiary);border-color:var(--border-light)}.scripts-action-icon{width:36px;height:36px;border-radius:8px;background:var(--bg-primary);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--text-secondary)}.scripts-action-content{flex:1;display:flex;flex-direction:column;gap:2px}.scripts-action-title{font-size:.9rem;font-weight:600;color:var(--text-primary)}.scripts-action-desc{font-size:.78rem;color:var(--text-secondary)}.scripts-action-arrow{color:var(--text-secondary);flex-shrink:0;transition:transform .15s}.scripts-action-btn:hover .scripts-action-arrow{transform:translate(3px)}@media(max-width:768px){.scripts-page{padding:60px 0}.scripts-container{padding:0 1rem}.scripts-cards{grid-template-columns:1fr}.scripts-header h1{font-size:1.875rem}}@media(max-width:480px){.scripts-page{padding:40px 0}.scripts-header h1{font-size:1.625rem}}.sp-page{padding:80px 0;background:var(--bg-primary);min-height:calc(100vh - 200px)}.sp-container{max-width:1200px;margin:0 auto;padding:0 2rem}.sp-header{text-align:center;margin-bottom:2rem}.sp-header h1{color:var(--text-primary);font-size:2.25rem;font-weight:700;margin:0}.sp-loading{text-align:center;padding:3rem;color:var(--text-secondary)}.sp-content{display:grid;grid-template-columns:280px 1fr;gap:1.75rem;align-items:start}.sp-sidebar{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:1.25rem}.sp-filter{margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid var(--border)}.sp-filter-label{display:flex;align-items:center;gap:8px;font-size:.875rem;color:var(--text-secondary);cursor:pointer;-webkit-user-select:none;user-select:none}.sp-filter-label:hover{color:var(--text-primary)}.sp-filter-checkbox{width:16px;height:16px;cursor:pointer;accent-color:var(--accent-primary);flex-shrink:0}.sp-sidebar h3{color:var(--text-primary);margin:0 0 1rem;font-size:.9rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.sp-list{display:flex;flex-direction:column;gap:4px}.sp-item{display:flex;align-items:center;gap:.75rem;padding:.625rem .75rem;border-radius:8px;cursor:pointer;border:1px solid transparent;transition:all .15s ease}.sp-item:hover{background:var(--bg-secondary)}.sp-item.active{background:var(--bg-secondary);border-color:var(--border)}.sp-item.completed{opacity:.75}.sp-num{width:24px;height:24px;border-radius:6px;background:var(--bg-secondary);border:1px solid var(--border);color:var(--text-secondary);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;flex-shrink:0}.sp-item.active .sp-num{background:var(--text-primary);border-color:var(--text-primary);color:var(--bg-primary)}.sp-item.completed .sp-num{background:var(--bg-secondary);border-color:var(--border)}.sp-title{flex:1;font-size:.875rem;color:var(--text-secondary);line-height:1.3}.sp-item.active .sp-title{color:var(--text-primary);font-weight:500}.sp-done-icon{color:var(--text-secondary);flex-shrink:0}.sp-no-items{font-size:.83rem;color:var(--text-secondary);text-align:center;padding:1rem 0;margin:0}.sp-main{display:flex;flex-direction:column;gap:1.25rem}.sp-problem-card,.sp-answers-card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:1.75rem}.sp-problem-top{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:.75rem}.sp-problem-top h2{color:var(--text-primary);font-size:1.3rem;font-weight:700;margin:0;flex:1}.sp-xp-badge{display:flex;align-items:center;gap:5px;background:var(--bg-secondary);border:1px solid var(--border);color:var(--text-secondary);padding:.35rem .75rem;border-radius:20px;font-size:.8rem;font-weight:600;white-space:nowrap;flex-shrink:0}.sp-description{color:var(--text-secondary);line-height:1.65;margin:0 0 1.5rem;font-size:.9rem}.sp-script-block{border:1px solid var(--border);border-radius:10px;overflow:hidden}.sp-script-header{background:var(--bg-secondary);padding:.5rem 1rem;border-bottom:1px solid var(--border);font-size:.75rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.sp-script-code{margin:0;padding:1.25rem;background:var(--bg-primary);color:var(--text-primary);font-family:Fira Code,Consolas,Courier New,monospace;font-size:.85rem;line-height:1.65;overflow-x:auto;white-space:pre}.sp-answers-header{display:flex;align-items:center;gap:8px;color:var(--text-secondary);font-size:.83rem;margin-bottom:1.25rem}.sp-completed-notice{display:flex;align-items:center;gap:8px;color:var(--text-secondary);background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;padding:.75rem 1rem;font-size:.875rem;margin-bottom:1.25rem}.sp-answers-grid{display:grid;grid-template-columns:1fr 1fr;gap:.625rem;margin-bottom:1.25rem}.sp-answer-btn{display:flex;align-items:flex-start;gap:.75rem;padding:.875rem 1rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;cursor:pointer;text-align:left;transition:border-color .15s,background .15s;font-family:inherit}.sp-answer-btn:hover:not(.disabled){border-color:var(--border-light);background:var(--bg-tertiary)}.sp-answer-btn.selected{border-color:var(--text-primary);background:var(--bg-tertiary)}.sp-answer-btn.correct{border-color:var(--success);background:#22c55e0f}.sp-answer-btn.correct .sp-answer-letter{background:var(--success);border-color:var(--success);color:#fff}.sp-answer-btn.disabled{opacity:.55;cursor:not-allowed}.sp-answer-letter{width:24px;height:24px;border-radius:5px;background:var(--bg-primary);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;color:var(--text-secondary);flex-shrink:0;transition:all .15s}.sp-answer-btn.selected .sp-answer-letter{background:var(--text-primary);border-color:var(--text-primary);color:var(--bg-primary)}.sp-answer-code{font-family:Fira Code,Consolas,monospace;font-size:.8rem;color:var(--text-primary);background:none;padding:0;line-height:1.5;word-break:break-all}.sp-submit-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:.8rem;background:var(--text-primary);color:var(--bg-primary);border:none;border-radius:10px;font-size:.9rem;font-weight:600;cursor:pointer;font-family:inherit;transition:opacity .15s}.sp-submit-btn:hover:not(:disabled){opacity:.85}.sp-submit-btn:disabled{opacity:.35;cursor:not-allowed}.sp-result{margin-top:1rem;padding:.875rem 1rem;border-radius:10px;border:1px solid var(--border);display:flex;flex-direction:column;gap:4px;background:var(--bg-secondary);color:var(--text-primary);font-size:.9rem;animation:sp-slide-in .25s ease-out}@keyframes sp-slide-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.sp-result.success{border-color:var(--success);color:var(--success);background:#22c55e0f}.sp-result.error{border-color:var(--error);color:var(--error);background:#ef44440f}.sp-result-xp{font-size:.83rem;font-weight:700}.sp-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;color:var(--text-secondary);text-align:center;gap:1rem}.sp-empty svg{opacity:.3}.sp-empty h3{color:var(--text-primary);margin:0;font-size:1.25rem}@media(max-width:900px){.sp-answers-grid{grid-template-columns:1fr}}@media(max-width:768px){.sp-page{padding:60px 0}.sp-container{padding:0 1rem}.sp-content{grid-template-columns:1fr}.sp-sidebar{order:2}.sp-main{order:1}.sp-header h1{font-size:1.875rem}}@media(max-width:480px){.sp-page{padding:40px 0}.sp-problem-card,.sp-answers-card{padding:1.25rem}.sp-problem-top{flex-direction:column;gap:.5rem}}:root{--bg-primary: #f9f9f9;--bg-secondary: #e3e3e3;--bg-tertiary: #c8c8c8;--bg-card: #f9f9f9;--accent-primary: #525252;--accent-secondary: #787878;--text-primary: #5c5c5c;--text-secondary: #787878;--text-muted: #a8a8a8;--border: #c8c8c8;--border-light: #e3e3e3;--shadow: rgba(0, 0, 0, .08);--shadow-hover: rgba(0, 0, 0, .14);--success: #16a34a;--warning: #d97706;--error: #dc2626;--navbar-bg: rgba(249, 249, 249, .9);--navbar-backdrop: blur(12px)}[data-theme=dark]{--bg-primary: #0a0a0a;--bg-secondary: #1f1f20;--bg-tertiary: #373839;--bg-card: #1f1f20;--accent-primary: #dbdbdb;--accent-secondary: #999999;--text-primary: #dbdbdb;--text-secondary: #999999;--text-muted: #5f6062;--border: #373839;--border-light: #5f6062;--shadow: rgba(0, 0, 0, .4);--shadow-hover: rgba(0, 0, 0, .6);--success: #22c55e;--warning: #f59e0b;--error: #ef4444;--navbar-bg: rgba(10, 10, 10, .85);--navbar-backdrop: blur(12px)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}.container{max-width:1200px;margin:0 auto;padding:0 24px}@media(max-width:768px){.container{padding:0 16px}}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;margin-bottom:16px}h1{font-size:clamp(36px,5vw,52px)}h2{font-size:clamp(26px,4vw,38px)}h3{font-size:clamp(22px,3vw,26px)}p{color:var(--text-secondary);margin-bottom:16px}.btn{display:inline-block;padding:12px 24px;border:none;border-radius:6px;font-size:15px;font-weight:500;cursor:pointer;transition:all .2s ease;text-decoration:none;text-align:center;white-space:nowrap}.btn-primary{background:var(--accent-primary);color:var(--bg-primary);border:1px solid var(--accent-primary)}.btn-primary:hover{background:var(--accent-secondary);border-color:var(--accent-secondary)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{border-color:var(--border-light);background:var(--bg-tertiary)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:24px;transition:all .2s ease}.card:hover{border-color:var(--border-light);background:var(--bg-tertiary)}@media(max-width:768px){.card{padding:20px}.btn{padding:12px 24px;font-size:14px}}input,textarea,select{width:100%;padding:12px 14px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:15px;transition:all .2s;font-family:inherit}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--border-light);background:var(--bg-tertiary)}input::placeholder{color:var(--text-muted)}.loading{display:flex;justify-content:center;align-items:center;min-height:200px;color:var(--text-secondary)}