.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}}.navbar{background:var(--bg-primary);border-bottom:1px solid var(--border);padding:0;position:sticky;top:0;z-index:1000;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#0a0a0acc}.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}@media(max-width:768px){.nav-auth{flex-direction:column;gap:8px}.language-selector{order:-1}.lang-dropdown{position:static;box-shadow:none;border:none;background:var(--bg-secondary);border-radius:6px;margin-top:0}}.footer{background:var(--bg-primary);border-top:1px solid var(--border);padding:60px 0 32px;margin-top:120px}.footer-content{display:grid;grid-template-columns:2fr 1fr 1fr;gap:60px;margin-bottom:48px}.footer-brand{display:flex;flex-direction:column;gap:16px}.footer-logo{font-size:18px;font-weight:600;color:var(--text-primary);margin-bottom:8px;letter-spacing:-.3px}.footer-description{color:var(--text-secondary);line-height:1.6;max-width:320px;font-size:14px}.footer-section h3{font-size:12px;margin-bottom:20px;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;font-weight:600}.footer-links{display:flex;flex-direction:column;gap:12px}.footer-links a{color:var(--text-secondary);text-decoration:none;font-size:14px;transition:color .2s}.footer-links a:hover{color:var(--text-primary)}.footer-bottom{padding-top:32px;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;color:var(--text-muted);font-size:13px}.footer-social{display:flex;gap:12px}.social-link{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--bg-card);border:1px solid var(--border);border-radius:6px;color:var(--text-secondary);text-decoration:none;font-size:16px;transition:all .2s}.social-link:hover{border-color:var(--border-light);color:var(--text-primary);background:var(--bg-tertiary)}@media(max-width:1024px){.footer-content{grid-template-columns:1fr 1fr;gap:40px}.footer-brand{grid-column:1 / -1}}@media(max-width:768px){.footer{padding:48px 0 24px;margin-top:80px}.footer-content{grid-template-columns:1fr;gap:32px}.footer-bottom{flex-direction:column;gap:20px;text-align:center}}.hero{padding:100px 0 80px;background:var(--bg-primary);position:relative;overflow:hidden}.hero:before{content:"";position:absolute;top:0;left:50%;transform:translate(-50%);width:100%;max-width:1400px;height:1px;background:linear-gradient(90deg,transparent,var(--border),transparent)}.hero-content{max-width:680px;margin:0 auto 80px;text-align:center}.hero-title{font-size:clamp(40px,6vw,64px);font-weight:600;margin-bottom:24px;color:var(--text-primary);letter-spacing:-1.5px;line-height:1.1}.hero-subtitle{font-size:clamp(16px,2.5vw,18px);color:var(--text-secondary);margin-bottom:40px;line-height:1.7}.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:8px;overflow:hidden;max-width:1000px;margin:0 auto}.stat-item{background:var(--bg-card);padding:40px 24px;text-align:center;position:relative}.stat-number{font-size:42px;font-weight:600;color:var(--text-primary);margin-bottom:8px;line-height:1;letter-spacing:-1px}.stat-label{font-size:13px;color:var(--text-secondary);font-weight:500;text-transform:uppercase;letter-spacing:.5px}.start-here-section{max-width:1000px;margin:80px auto 0}.start-here-title{font-size:32px;font-weight:600;text-align:center;color:var(--text-primary);margin-bottom:40px;letter-spacing:-.5px}.learning-paths-grid{display:flex;flex-direction:column;gap:1px;background:var(--border);border:1px solid var(--border);border-radius:8px;overflow:hidden}.path-row{display:grid;grid-template-columns:200px 1fr;background:var(--bg-card)}.path-category{display:flex;align-items:center;justify-content:center;padding:24px;background:var(--bg-secondary);border-right:1px solid var(--border)}.path-category h3{font-size:20px;font-weight:600;color:var(--text-primary);margin:0;letter-spacing:-.3px}.path-options{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border)}.path-option{display:flex;align-items:center;justify-content:center;padding:24px;background:var(--bg-card);text-decoration:none;transition:all .2s;min-height:80px}.path-option:hover{background:var(--bg-tertiary)}.roadmap-option{border-right:1px solid var(--border)}.path-exams{display:grid;grid-template-rows:1fr 1fr;gap:1px;background:var(--border)}.option-label{font-size:15px;font-weight:500;color:var(--text-primary);text-align:center}@media(max-width:768px){.hero{padding:80px 0 60px}.hero-content{margin-bottom:60px}.hero-cta{flex-direction:column}.hero-cta .btn{width:100%}.stats-grid{grid-template-columns:1fr}.stat-item{padding:32px 20px}.stat-number{font-size:36px}.start-here-section{margin-top:60px}.start-here-title{font-size:28px;margin-bottom:32px}.path-row{grid-template-columns:1fr}.path-category{border-right:none;border-bottom:1px solid var(--border);padding:20px}.path-options{grid-template-columns:1fr}.roadmap-option{border-right:none;border-bottom:1px solid var(--border)}.path-exams{grid-template-rows:auto;grid-template-columns:1fr}.path-option{padding:20px;min-height:60px}}.grile-page{padding:80px 0;min-height:calc(100vh - 200px)}.grile-header{max-width:720px;text-align:center;margin:20px auto 60px}.grile-header h1{font-size:36px;font-weight:600;margin-bottom:16px;letter-spacing:-.5px}.grile-header p{font-size:17px;color:var(--text-secondary);line-height:1.6}.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);background:var(--bg-tertiary)}.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);background:var(--bg-tertiary);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}.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%}}.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}.quiz-actions .btn{flex:1;font-size:14px}.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:azure}.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:16px 20px;border-radius:8px;display:flex;align-items:center;gap:12px;font-size:16px;font-weight:600}.answer-feedback.correct{background:#22c55e1a;border:1px solid rgba(34,197,94,.3);color:var(--success)}.answer-feedback.incorrect{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:var(--error)}.feedback-icon{font-size:24px}.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%}}.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}}.resurse-page{padding:80px 0;min-height:calc(100vh - 200px)}.resurse-header{margin-top:20px;margin-bottom:48px}.resurse-header h1{font-size:36px;font-weight:600;margin-bottom:12px;letter-spacing:-.5px}.resurse-header p{font-size:17px;color:var(--text-secondary);margin:0}.section-subtitle{font-size:24px;font-weight:600;color:var(--text-primary);margin-bottom:24px;letter-spacing:-.4px}.tabs{display:flex;gap:4px;margin-bottom:48px;border-bottom:1px solid var(--border);overflow-x:auto}.tab{padding:12px 20px;background:none;border:none;color:var(--text-secondary);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;border-bottom:2px solid transparent;white-space:nowrap}.tab:hover{color:var(--text-primary)}.tab.active{color:var(--text-primary);border-bottom-color:var(--accent-primary)}.section-content{animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.search-box{position:relative;max-width:600px;margin:0 0 40px}.search-input{width:100%;padding:14px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:15px;transition:all .2s}.search-input:focus{border-color:var(--border-light);background:var(--bg-tertiary)}.dictionary-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}.dictionary-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:16px;transition:all .2s}.dictionary-card:hover{border-color:var(--border-light);background:var(--bg-tertiary)}.term-title{font-size:18px;font-weight:600;color:var(--text-primary);margin-bottom:12px;letter-spacing:-.2px}.term-content{color:var(--text-secondary);line-height:1.6;font-size:14px}.resources-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px}.resource-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:28px;transition:all .2s;display:flex;flex-direction:column}.resource-card:hover{border-color:var(--border-light);background:var(--bg-tertiary)}.resource-card h3{font-size:20px;font-weight:600;margin-bottom:12px;color:var(--text-primary);letter-spacing:-.3px}.resource-card p{color:var(--text-secondary);line-height:1.6;flex-grow:1;margin-bottom:20px;font-size:14px}.resource-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:auto}.resource-badge{padding:4px 10px;background:var(--bg-secondary);color:var(--text-secondary);border-radius:4px;font-size:11px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;border:1px solid var(--border)}.btn-sm{padding:8px 16px;font-size:13px}.empty-state{grid-column:1 / -1;text-align:center;padding:80px 20px}.empty-state p{color:var(--text-muted);font-size:15px}.roadmaps-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(400px,1fr));gap:20px;margin-bottom:32px}.roadmap-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:24px;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:20px}.roadmap-card:hover{border-color:var(--border-light);background:var(--bg-tertiary)}.roadmap-content{flex:1}.roadmap-content h3{font-size:20px;font-weight:600;color:var(--text-primary);margin-bottom:8px;letter-spacing:-.3px}.roadmap-content p{font-size:14px;color:var(--text-secondary);margin-bottom:14px;line-height:1.5}.roadmap-stats{display:flex;gap:12px;flex-wrap:wrap}.stat-item{font-size:12px;color:var(--text-secondary);padding:4px 8px;background:var(--bg-secondary);border-radius:4px;border:1px solid var(--border)}.roadmap-arrow{font-size:20px;color:var(--text-secondary);transition:all .2s;flex-shrink:0}.roadmap-card:hover .roadmap-arrow{color:var(--text-primary);transform:translate(2px)}@media(max-width:768px){.resurse-page{padding:60px 0}.tabs{gap:0}.tab{padding:12px 16px;font-size:13px}.dictionary-grid,.resources-grid{grid-template-columns:1fr;gap:16px}.dictionary-card,.resource-card{padding:20px}.roadmaps-grid{grid-template-columns:1fr;gap:16px}.roadmap-card{padding:24px;flex-direction:column;align-items:flex-start}.roadmap-icon{font-size:40px}.roadmap-arrow{position:absolute;top:24px;right:24px}.section-subtitle{font-size:20px}}.roadmap-container{max-width:1200px;margin:0 auto;padding:80px 24px;min-height:calc(100vh - 200px)}.roadmap-header{margin-bottom:48px}.back-button{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:6px;color:var(--text-secondary);font-size:14px;cursor:pointer;transition:all .2s;margin-bottom:24px}.back-button:hover{color:var(--text-primary);border-color:var(--border-light);background:var(--bg-tertiary)}.roadmap-title{font-size:36px;font-weight:600;margin-bottom:12px;letter-spacing:-.5px;color:var(--text-primary)}.roadmap-subtitle{font-size:16px;color:var(--text-secondary);margin-bottom:32px}.progress-section{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:24px;margin-top:24px}.progress-info{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.progress-label{font-size:14px;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.progress-percentage{font-size:24px;font-weight:700;color:var(--text-primary)}.progress-bar{height:12px;background:var(--bg-secondary);border-radius:6px;overflow:hidden;border:1px solid var(--border)}.progress-fill{height:100%;background:var(--success);transition:width .5s ease;border-radius:6px}.roadmap-sections{display:flex;flex-direction:column;gap:24px}.roadmap-section{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:all .2s}.roadmap-section:hover{border-color:var(--border-light)}.section-header{display:flex;justify-content:space-between;align-items:center;padding:24px;cursor:pointer;transition:all .2s;gap:16px}.section-header:hover{background:var(--bg-tertiary)}.section-header-content{display:flex;align-items:flex-start;gap:20px;flex:1}.section-number{display:flex;align-items:center;justify-content:center;width:48px;height:48px;background:var(--bg-secondary);border:2px solid var(--border);border-radius:50%;font-size:20px;font-weight:700;color:var(--text-primary);flex-shrink:0}.section-info{flex:1}.section-title{font-size:22px;font-weight:600;color:var(--text-primary);margin-bottom:6px;letter-spacing:-.3px}.section-description{font-size:14px;color:var(--text-secondary);margin:0}.section-meta{display:flex;align-items:center;gap:16px}.section-progress-text{font-size:14px;font-weight:600;color:var(--text-secondary);padding:6px 12px;background:var(--bg-secondary);border-radius:6px;border:1px solid var(--border)}.expand-icon{font-size:12px;color:var(--text-secondary);transition:transform .3s ease}.expand-icon.expanded{transform:rotate(180deg)}.section-content{padding:0 24px 24px;animation:slideDown .3s ease}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.section-progress-bar{height:6px;background:var(--bg-secondary);border-radius:3px;overflow:hidden;margin-bottom:24px;border:1px solid var(--border)}.section-progress-fill{height:100%;background:var(--success);transition:width .5s ease;border-radius:3px}.topics-grid{display:grid;grid-template-columns:1fr;gap:16px}.topic-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;padding:24px;transition:all .2s}.topic-card:hover{border-color:var(--border-light)}.topic-card.completed{border-color:var(--success)}.topic-header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border)}.topic-header-text{flex:1}.topic-title{font-size:18px;font-weight:600;color:var(--text-primary);margin:0 0 6px;letter-spacing:-.3px}.topic-description{font-size:13px;color:var(--text-secondary);margin:0;line-height:1.4}.checkbox{width:24px;height:24px;border:2px solid var(--border);border-radius:6px;background:var(--bg-primary);cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--bg-primary);flex-shrink:0}.checkbox:hover{border-color:var(--border-light);background:var(--bg-card)}.checkbox.checked{background:var(--success);border-color:var(--success);color:#fff}.content-block{margin-bottom:24px}.content-block:last-child{margin-bottom:0}.content-subtitle{font-size:16px;font-weight:600;color:var(--text-primary);margin:0 0 12px;letter-spacing:-.2px}.topic-items{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.topic-item{display:flex;align-items:flex-start;gap:0;font-size:14px;color:var(--text-secondary);line-height:1.7;padding-left:16px;position:relative}.topic-item:before{content:"•";position:absolute;left:0;color:var(--text-muted);font-size:16px}.item-text{flex:1}@media(max-width:768px){.roadmap-container{padding:60px 16px}.roadmap-title{font-size:32px}.roadmap-subtitle{font-size:16px}.progress-section{padding:20px}.section-header{padding:20px;flex-direction:column;align-items:flex-start}.section-header-content{width:100%}.section-meta{width:100%;justify-content:space-between}.section-number{width:40px;height:40px;font-size:18px}.section-title{font-size:18px}.section-content{padding:0 16px 20px}.topics-grid{grid-template-columns:1fr;gap:12px}.topic-card{padding:16px}}.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);background:var(--bg-tertiary)}.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(2,1fr);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);background:var(--bg-tertiary)}.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-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: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);background:var(--bg-tertiary)}.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}}.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:linear-gradient(135deg,var(--bg-primary) 0%,var(--bg-secondary) 100%);padding:80px 0 40px}.leaderboard-header{text-align:center;margin-bottom:60px}.leaderboard-header h1{font-size:2.5rem;color:var(--text-primary);margin-bottom:16px;font-weight:700}.leaderboard-header p{font-size:1.2rem;color:var(--text-secondary);max-width:600px;margin:0 auto}.leaderboard-container{max-width:800px;margin:0 auto}.loading-state,.error-state{text-align:center;padding:60px 20px}.loading-spinner{width:40px;height:40px;border:3px solid var(--border);border-top:3px solid var(--primary);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 20px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.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:flex;flex-direction:column;gap:12px}.leaderboard-item{display:flex;align-items:center;gap:20px;padding:20px 24px;background:var(--bg-card);border:2px solid var(--border);border-radius:16px;transition:all .3s;position:relative;overflow:hidden}.leaderboard-item:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--border);transition:all .3s}.leaderboard-item:hover{transform:translateY(-2px);box-shadow:0 8px 32px #0000001a}.leaderboard-item.rank-1{border-color:gold;background:linear-gradient(135deg,var(--bg-card) 0%,rgba(255,215,0,.05) 100%)}.leaderboard-item.rank-1:before{background:linear-gradient(180deg,gold,#ffed4e)}.leaderboard-item.rank-2{border-color:silver;background:linear-gradient(135deg,var(--bg-card) 0%,rgba(192,192,192,.05) 100%)}.leaderboard-item.rank-2:before{background:linear-gradient(180deg,silver,#e5e5e5)}.leaderboard-item.rank-3{border-color:#cd7f32;background:linear-gradient(135deg,var(--bg-card) 0%,rgba(205,127,50,.05) 100%)}.leaderboard-item.rank-3:before{background:linear-gradient(180deg,#cd7f32,#daa520)}.rank-section{display:flex;align-items:center;gap:12px;min-width:80px}.rank-number{font-size:1.2rem;font-weight:700;color:var(--text-primary);min-width:32px}.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-secondary)}.user-info{flex:1;min-width:0}.username{font-size:1.1rem;font-weight:600;color:var(--text-primary);margin-bottom:4px;word-break:break-word}.level{font-size:.9rem;color:var(--text-secondary);font-weight:500}.xp-section{text-align:right;min-width:80px}.xp-amount{font-size:1.3rem;font-weight:700;color:var(--primary);margin-bottom:2px}.xp-label{font-size:.8rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}@media(max-width:768px){.leaderboard-page{padding:60px 0 40px}.leaderboard-header h1{font-size:2rem}.leaderboard-header p{font-size:1.1rem}.leaderboard-item{padding:16px 20px;gap:16px}.rank-section{min-width:70px;gap:8px}.rank-number{font-size:1.1rem;min-width:28px}.username{font-size:1rem}.xp-amount{font-size:1.1rem}.xp-section{min-width:70px}}@media(max-width:480px){.leaderboard-item{padding:14px 16px;gap:12px}.rank-section{flex-direction:column;min-width:50px;gap:4px}.rank-number{font-size:.9rem}.rank-icon{transform:scale(.8)}.username{font-size:.95rem}.level{font-size:.8rem}.xp-amount{font-size:1rem}.xp-label{font-size:.7rem}}:root{--bg-primary: #0a0a0a;--bg-secondary: #111111;--bg-tertiary: #1a1a1a;--bg-card: #141414;--accent-primary: #ffffff;--accent-secondary: #a3a3a3;--text-primary: #ffffff;--text-secondary: #a3a3a3;--text-muted: #737373;--border: #262626;--border-light: #333333;--shadow: rgba(0, 0, 0, .3);--shadow-hover: rgba(0, 0, 0, .5);--success: #22c55e;--warning: #f59e0b;--error: #ef4444}*{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)}