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.3s}.question-block{text-align:left}.question-text{flex-direction:column;gap:10px;margin-bottom:25px;font-size:18px;font-weight:600;line-height:1.6;display:flex}.q-badge{background-color:var(--primary-light);color:var(--text-main);border-radius:6px;align-self:flex-start;padding:4px 10px;font-size:13px;font-weight:700;display:inline-block}.options-list{flex-direction:column;gap:12px;margin-bottom:30px;display:flex}.option-btn{background-color:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-main);border-radius:var(--border-radius);text-align:left;cursor:pointer;transition:var(--transition-fast);align-items:center;gap:15px;width:100%;padding:16px 20px;font-family:inherit;font-size:15px;display:flex}.option-btn:hover:not(:disabled){background-color:var(--bg-primary);border-color:var(--accent);box-shadow:var(--shadow-sm);transform:translateY(-2px)}.option-btn:active:not(:disabled){transform:translateY(0)}.option-number{background-color:var(--bg-card);border:1px solid var(--border-color);color:var(--text-main);width:28px;height:28px;transition:var(--transition-fast);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:13px;font-weight:700;display:flex}.option-content{flex-grow:1}.option-btn.option-correct{background-color:var(--success-light);border-color:var(--success)}.option-btn.option-correct .option-number{background-color:var(--success);color:#fff;border-color:var(--success)}.option-btn.option-incorrect{background-color:var(--danger-light);border-color:var(--danger)}.option-btn.option-incorrect .option-number{background-color:var(--danger);color:#fff;border-color:var(--danger)}.option-btn.option-disabled{opacity:.6;cursor:not-allowed}.feedback-section{flex-direction:column;gap:20px;margin-top:25px;display:flex}.alert{border-radius:var(--border-radius);align-items:center;gap:10px;padding:16px;font-size:15px;font-weight:600;display:flex}.alert-success{background-color:var(--success-light);color:var(--success)}.alert-danger{background-color:var(--danger-light);color:var(--danger)}.alert-info{color:#2563eb;background-color:#4285f41f}.quiz-progress-alert{margin:0 0 18px}.elaboration-card{background-color:var(--bg-secondary);border-left:4px solid var(--accent);border-radius:0 var(--border-radius) var(--border-radius) 0;padding:20px;animation:.3s cubic-bezier(.16,1,.3,1) fadeIn}.elaboration-card h4{color:var(--accent);margin:0 0 10px;font-size:15px;font-weight:750}.quiz-nav-buttons{border-top:1px solid var(--border-color);justify-content:space-between;margin-top:30px;padding-top:20px;display:flex}.quiz-summary-card{padding:40px 0}.summary-icon{margin-bottom:20px}.score-badge-large{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:20px;margin:25px 0 35px;padding:30px 60px;display:inline-block}.score-title{text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-bottom:10px;font-size:14px}.score-numbers{color:var(--text-main);margin:0;font-size:48px;font-weight:850}.score-percentage{color:var(--accent);margin-top:5px;font-size:18px;font-weight:600}.summary-actions{justify-content:center;gap:15px;display:flex}.quiz-no-selection{background-color:var(--bg-card);border:1px solid var(--border-color);color:var(--text-muted);border-radius:20px;padding:80px 20px}.rankings-page{max-width:1200px;margin:0 auto;padding:20px}.rankings-hero,.ranking-locked{background:linear-gradient(135deg, var(--bg-card) 0%, #ff5c2e14 100%);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-radius:18px;padding:28px}.ranking-locked{text-align:center;max-width:720px;margin:40px auto}.ranking-locked h2,.rankings-hero h1{color:var(--text-main);margin:10px 0 8px;font-size:34px;font-weight:850}.ranking-locked p,.rankings-hero p{color:var(--text-muted);margin:0;line-height:1.6}.ranking-eyebrow{color:var(--accent);text-transform:uppercase;align-items:center;gap:6px;font-size:12px;font-weight:800;display:inline-flex}.hall-of-fame{border:1px solid var(--border-color);background:var(--bg-card);border-radius:16px;margin:22px 0;overflow:hidden}.hall-track{gap:14px;width:max-content;padding:14px;animation:36s linear infinite hallScroll;display:flex}.hall-of-fame:hover .hall-track{animation-play-state:paused}.hall-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:14px;align-items:center;gap:14px;width:280px;min-height:96px;padding:16px;display:flex}.hall-icon{color:#fff;background:linear-gradient(135deg, var(--accent), #ff8a3d);border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.hall-card span{color:var(--text-muted);text-transform:uppercase;font-size:11px;font-weight:800;display:block}.hall-card strong{color:var(--text-main);margin-top:3px;font-size:15px;display:block}.hall-card p{color:var(--text-muted);margin:4px 0 0;font-size:12px}@keyframes hallScroll{0%{transform:translate(0)}to{transform:translate(-50%)}}.ranking-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:18px;margin-bottom:24px;display:grid}.ranking-panel,.ranking-empty{background:var(--bg-card);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-radius:16px}.ranking-panel{padding:18px}.ranking-panel-header{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px;display:flex}.ranking-panel-header h3,.ranking-section-heading h2{color:var(--text-main);align-items:center;gap:8px;margin:0;font-size:18px;font-weight:850;display:flex}.ranking-panel-header p,.ranking-section-heading p{color:var(--text-muted);margin:5px 0 0;font-size:13px}.ranking-list{flex-direction:column;gap:10px;display:flex}.ranking-row{border:1px solid var(--border-color);background:var(--bg-primary);border-radius:12px;grid-template-columns:34px 44px minmax(0,1fr) auto;align-items:center;gap:12px;padding:12px;display:grid}.rank-number{width:30px;height:30px;color:var(--text-muted);background:var(--bg-secondary);border-radius:10px;justify-content:center;align-items:center;font-size:13px;font-weight:900;display:flex}.rank-1{color:#7a4b00;background:linear-gradient(135deg,#ffe8a3,#ffbf3f)}.rank-2{color:#364152;background:linear-gradient(135deg,#f4f7fb,#cbd5e1)}.rank-3{color:#6b3512;background:linear-gradient(135deg,#ffd9ba,#c77736)}.rank-avatar{object-fit:cover;border:2px solid var(--border-color);border-radius:50%;width:44px;height:44px}.rank-avatar-fallback{background:var(--primary-light);color:var(--accent);justify-content:center;align-items:center;font-size:13px;font-weight:850;display:flex}.rank-student{min-width:0}.rank-student strong{color:var(--text-main);white-space:nowrap;text-overflow:ellipsis;display:block;overflow:hidden}.rank-student span,.rank-score span{color:var(--text-muted);margin-top:3px;font-size:12px;display:block}.rank-score{text-align:right}.rank-score strong{color:var(--accent);font-size:18px}.ranking-section{margin-top:28px}.ranking-section-heading{margin-bottom:14px}.ranking-empty{color:var(--text-muted);text-align:center;padding:28px}.unitwise-count-card{background:var(--bg-card);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-radius:16px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:18px;margin:20px 0 24px;padding:20px 24px;display:grid}.unitwise-count-card.is-locked{background:linear-gradient(135deg, var(--bg-card) 0%, #ff5b3314 100%);border-color:#ff5b3359}.unitwise-count-card.is-unlocked{border-color:#10b9814d}.unitwise-count-icon{background:var(--accent-light);width:56px;height:56px;color:var(--accent);border-radius:14px;justify-content:center;align-items:center;display:flex}.unitwise-count-copy{min-width:0}.unitwise-count-eyebrow{color:var(--accent);text-transform:uppercase;margin-bottom:4px;font-size:11px;font-weight:850;display:block}.unitwise-count-copy h3{color:var(--text-main);margin:0;font-size:22px;font-weight:850}.unitwise-count-copy p{color:var(--text-muted);margin:5px 0 0;font-size:13px;line-height:1.45}.unitwise-purchase-btn{white-space:nowrap}.unit-card{background-color:var(--bg-card);border:1px solid var(--border-color);cursor:pointer;box-shadow:var(--shadow-sm);transition:var(--transition-smooth);border-radius:16px;align-items:center;gap:20px;padding:20px 25px;display:flex}.unit-card:hover{border-color:var(--accent);box-shadow:var(--shadow-md);transform:translateY(-4px)}.unit-card-icon{background-color:var(--primary-light);width:48px;height:48px;transition:var(--transition-smooth);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.unit-card:hover .unit-card-icon{background-color:var(--accent-light);transform:rotate(5deg)scale(1.05)}.unit-card-info h3{margin:0 0 4px;font-size:18px;font-weight:750}.unit-card-info p{color:var(--text-muted);margin:0;font-size:13px}.unit-question-pill{border-radius:999px;align-items:center;margin-top:10px;padding:5px 9px;font-size:12px;font-weight:800;display:inline-flex}.unit-question-pill.unlocked{color:#10b981;background:#10b9811f}.unit-question-pill.locked{color:var(--accent);background:#ff5b331f}.unit-card-cta{color:var(--accent);border:1px solid var(--accent);white-space:nowrap;min-height:40px;transition:var(--transition-fast);border-radius:8px;justify-content:center;align-items:center;margin-left:auto;padding:8px 12px;font-size:12px;font-weight:850;text-decoration:none;display:inline-flex}.unit-card-cta:hover{background:var(--accent);color:#fff}@media (max-width:720px){.unitwise-count-card{grid-template-columns:auto minmax(0,1fr)}.unitwise-purchase-btn{grid-column:1/-1;justify-content:center}.unit-card{align-items:flex-start}.unit-card-cta{align-self:center}}@media (max-width:480px){.unit-card{grid-template-columns:48px minmax(0,1fr);gap:14px;padding:16px;display:grid}.unit-card-cta{grid-column:1/-1;width:100%;margin-left:0}}.back-btn-top{align-self:flex-start;margin-bottom:20px}.premium-quizzes-list{flex-direction:column;gap:15px;display:flex}.premium-quiz-row-card{background-color:var(--bg-card);border:1px solid var(--border-color);cursor:pointer;transition:var(--transition-fast);border-radius:12px;justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.premium-quiz-row-card:hover{border-color:var(--accent);background-color:var(--primary-light);transform:translate(4px)}.row-info h4{margin:0 0 4px;font-size:16px;font-weight:700}.row-info p{color:var(--text-muted);margin:0;font-size:13px}.gated-lock-container{border-radius:20px;justify-content:center;align-items:center;padding:60px 20px;display:flex;position:relative;overflow:hidden}.glass-card{background-color:var(--bg-glass);-webkit-backdrop-filter:blur(16px);width:100%;max-width:480px;box-shadow:var(--shadow-lg);z-index:10;text-align:center;border:1px solid #fff3;border-radius:24px;padding:40px}.lock-icon-circle{background-color:var(--accent-light);color:var(--accent);border-radius:50%;justify-content:center;align-items:center;width:72px;height:72px;margin-bottom:25px;display:inline-flex;box-shadow:0 0 20px #0ea5e933}.glass-card h3{margin:0 0 10px;font-size:24px;font-weight:800}.gated-desc{color:var(--text-muted);margin-bottom:25px;font-size:14px;line-height:1.5}.gated-action{background-color:var(--bg-secondary);border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:12px;font-size:13px;font-weight:600;display:flex}.inline-icon{color:var(--accent)}.gate-btn{margin-top:25px}.coordinator-info-box{background-color:var(--accent-light);color:var(--accent);border-radius:12px;margin-top:25px;padding:12px;font-size:13px;font-weight:600}.blurred-content-preview{filter:blur(10px)opacity(.3);flex-direction:column;gap:20px;padding:40px;display:flex;position:absolute;top:0;bottom:0;left:0;right:0}.mock-row{background-color:var(--text-muted);border-radius:10px;height:60px}.modal-backdrop{z-index:200;background-color:#00000080;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}.modal-card{background-color:var(--bg-card);border:1px solid var(--border-color);width:100%;max-width:450px;box-shadow:var(--shadow-lg);text-align:center;border-radius:20px;padding:40px}.modal-card-large{max-width:750px}.modal-title{margin:0 0 10px;font-size:22px;font-weight:800}.modal-desc{color:var(--text-muted);margin-bottom:25px;font-size:14px;line-height:1.5}.phone-input{box-sizing:border-box;text-align:center;letter-spacing:1px;width:100%;margin-bottom:15px;font-size:18px;font-weight:600}.input-error{border-color:var(--danger);box-shadow:0 0 0 3px var(--danger-light)}.error-text{color:var(--danger);margin-bottom:15px;font-size:12px;font-weight:600;display:block}.pdf-loading-toast{background-color:var(--primary);color:var(--bg-primary);box-shadow:var(--shadow-lg);z-index:1000;border-radius:30px;padding:12px 24px;font-size:14px;font-weight:600;animation:.2s fadeIn;position:fixed;bottom:30px;left:50%;transform:translate(-50%)}.admin-container{text-align:left}.admin-header-panel{justify-content:space-between;align-items:center;margin-bottom:25px;display:flex}.admin-tabs{border-bottom:1px solid var(--border-color);gap:5px;margin-bottom:30px;display:flex;overflow-x:auto}.admin-tab-btn{color:var(--text-muted);cursor:pointer;transition:var(--transition-fast);white-space:nowrap;background:0 0;border:none;border-bottom:2px solid #0000;padding:12px 20px;font-size:15px;font-weight:700}.admin-tab-btn:hover,.admin-tab-btn.active{color:var(--accent)}.form-grid-row{gap:20px;display:flex}.flex-3{flex:3}.flex-2{flex:2}.form-divider{border:0;border-top:1px solid var(--border-color);margin:30px 0}.question-editor-card{background-color:var(--bg-card);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-radius:16px;margin-bottom:25px;padding:30px}.question-editor-card .card-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.btn-text-danger{color:var(--danger);cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;font-weight:600;display:flex}.options-editor-grid{grid-template-columns:1fr 1fr;gap:30px;margin-top:20px;display:grid}.options-column h5{color:var(--text-muted);margin:0 0 15px;font-size:14px;font-weight:750}.form-group-option{align-items:center;gap:10px;margin-bottom:12px;display:flex}.form-group-option span{color:var(--text-muted);width:15px;font-size:13px;font-weight:700}.form-input-sm{background-color:var(--bg-primary);border:1px solid var(--border-color);color:var(--text-main);border-radius:8px;outline:none;width:100%;padding:8px 12px;font-size:14px}.form-input-sm:focus{border-color:var(--accent)}.form-actions-bottom{border-top:1px solid var(--border-color);justify-content:space-between;margin-top:30px;padding-top:20px;display:flex}.table-responsive{width:100%;overflow-x:auto}.admin-table{border-collapse:collapse;text-align:left;width:100%}.admin-table th,.admin-table td{border-bottom:1px solid var(--border-color);padding:16px 20px;font-size:14px}.admin-table th{background-color:var(--bg-secondary);color:var(--text-muted);font-weight:700}.admin-table tbody tr:hover{background-color:var(--bg-secondary)}.flex-badge{gap:4px;display:inline-flex}.btn-icon-action{cursor:pointer;transition:var(--transition-fast);background:0 0;border:none;border-radius:6px;padding:6px}.btn-icon-action:hover{background-color:var(--primary-light)}.actions-cell{gap:6px;display:flex}.search-filter-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;align-items:center;gap:12px;max-width:400px;padding:4px 16px;display:flex}.search-icon{color:var(--text-muted)}.search-input{color:var(--text-main);background:0 0;border:none;outline:none;width:100%;padding:10px 0;font-size:14px}.table-avatar{object-fit:cover;border-radius:50%;width:32px;height:32px}.toggle-container{align-items:center;display:flex}.toggle-switch{width:44px;height:24px;display:inline-block;position:relative}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{cursor:pointer;background-color:var(--border-color);border-radius:34px;transition:all .3s;position:absolute;top:0;bottom:0;left:0;right:0}.toggle-slider:before{content:"";background-color:#fff;border-radius:50%;width:16px;height:16px;transition:all .3s;position:absolute;bottom:4px;left:4px}input:checked+.toggle-slider{background-color:var(--success)}input:checked+.toggle-slider:before{transform:translate(20px)}.ocr-instructions{margin-bottom:30px}.ocr-uploader-grid{grid-template-columns:1fr 1fr;align-items:center;gap:30px;display:grid}.ocr-dropzone{border:2px dashed var(--border-color);text-align:center;cursor:pointer;transition:var(--transition-smooth);border-radius:20px;padding:50px 20px}.ocr-dropzone:hover,.ocr-dropzone.drag-active{border-color:var(--accent);background-color:var(--accent-light)}.ocr-hidden-input{display:none}.ocr-upload-label{cursor:pointer}.uploader-icon{margin-bottom:15px}.ocr-image-preview{border:1px solid var(--border-color);border-radius:10px;max-width:100%;max-height:200px}.ocr-loader-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;justify-content:center;align-items:center;gap:15px;margin-top:30px;padding:20px;display:flex}.ocr-results-card{background-color:var(--bg-card);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-radius:16px;margin-top:30px;padding:30px}.ocr-results-header{align-items:center;gap:12px;margin-bottom:20px;font-size:16px;font-weight:750;display:flex}.ocr-stats-box{background-color:var(--primary-light);border-radius:10px;margin-bottom:20px;padding:15px}.ocr-numbers-list-box h5{margin:0 0 12px;font-size:14px}.numbers-chips-grid{flex-wrap:wrap;gap:8px;display:flex}.number-chip{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:20px;padding:6px 12px;font-size:12px;font-weight:700}.mock-switcher-container{background-color:var(--bg-card);border:1px solid 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