*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #1E40AF;--primary-dark: #1E3A8A;--primary-light: #3B82F6;--success: #047857;--success-light: #059669;--error: #B91C1C;--warning: #B45309;--bg: #FAFAFA;--bg-card: #FFFFFF;--bg-elevated: #F5F5F5;--text: #171717;--text-muted: #525252;--text-dim: #737373;--border: #D4D4D4;--border-light: #E5E5E5;--shadow-sm: 0 1px 2px rgba(0,0,0,.04);--shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 6px rgba(0,0,0,.05), 0 2px 4px rgba(0,0,0,.04)}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;line-height:1.5;-webkit-font-smoothing:antialiased}.container{max-width:720px;margin:0 auto;padding:0 24px}.header{background:var(--bg-card);border-bottom:1px solid var(--border-light);padding:.75rem 0;position:sticky;top:0;z-index:100}.header-content{display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:.5rem;font-size:1.125rem;font-weight:600;color:var(--text)}.logo-icon{width:26px;height:26px;color:var(--primary)}.logo-icon svg{width:100%;height:100%}.header-title{font-weight:500;font-size:.9375rem;color:var(--text)}.step-counter{background:var(--bg-elevated);padding:.375rem .75rem;border-radius:6px;font-size:.8125rem;font-weight:500;color:var(--text-muted)}.user-stats{display:flex;align-items:center;gap:.5rem}.stat{display:flex;align-items:center;gap:.375rem;background:var(--bg-elevated);padding:.375rem .75rem;border-radius:6px;font-size:.8125rem}.stat-icon{width:14px;height:14px;color:var(--warning)}.stat-icon svg{width:100%;height:100%}.streak-icon{color:#ea580c}.stat-value{font-weight:600;color:var(--text)}.stat-label{color:var(--text-dim);font-size:.75rem}.admin-btn{width:34px;height:34px;border-radius:6px;background:var(--bg-elevated);border:1px solid var(--border-light);color:var(--text-dim);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s}.admin-btn:hover{background:var(--border-light);color:var(--text-muted)}.admin-btn svg{width:16px;height:16px}.back-btn,.close-btn{background:none;border:none;color:var(--text-muted);font-size:.875rem;cursor:pointer;padding:.5rem;display:flex;align-items:center;gap:.375rem;transition:color .15s}.back-btn:hover,.close-btn:hover{color:var(--text)}.back-btn svg,.close-btn svg{width:18px;height:18px}.hero{background:var(--primary);padding:2.5rem 0;text-align:center;color:#fff}.hero h1{font-size:1.625rem;font-weight:600;margin-bottom:.25rem;color:#fff}.hero-subtitle{font-size:.9375rem;opacity:.9;margin-bottom:1.5rem;color:#ffffffe6}.progress-overview{max-width:260px;margin:0 auto}.progress-bar-container{background:#fff3;border-radius:4px;height:5px;overflow:hidden;margin-bottom:.5rem}.progress-bar{background:#34d399;height:100%;border-radius:4px;transition:width .4s ease}.progress-text{font-size:.8125rem;color:#ffffffd9}.modules-section{padding:1.5rem 0 3rem}.modules-path{display:flex;flex-direction:column;gap:.625rem}.module-card{background:var(--bg-card);border-radius:8px;padding:1rem 1.125rem;display:flex;align-items:center;gap:.875rem;cursor:pointer;border:1px solid var(--border-light);box-shadow:var(--shadow-sm);transition:all .15s ease}.module-card:hover:not(.locked){border-color:var(--border);box-shadow:var(--shadow)}.module-card.locked{opacity:.55;cursor:not-allowed}.module-card.complete{border-color:var(--success-light)}.module-number{width:38px;height:38px;border-radius:8px;background:var(--module-color, var(--primary));display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.9375rem;flex-shrink:0;color:#fff}.module-number svg{width:18px;height:18px}.module-card.complete .module-number{background:var(--success)}.module-card.locked .module-number{background:var(--border);color:var(--text-dim)}.module-content{flex:1;min-width:0}.module-header h3{font-size:.9375rem;font-weight:500;color:var(--text);margin-bottom:.125rem}.module-desc{font-size:.8125rem;color:var(--text-muted);margin-bottom:.5rem}.module-progress{display:flex;align-items:center;gap:.5rem}.step-dots{display:flex;gap:3px}.step-dot{width:6px;height:6px;border-radius:50%;background:var(--border)}.step-dot.done{background:var(--success-light)}.step-count{font-size:.75rem;color:var(--text-dim)}.module-action{flex-shrink:0}.start-arrow{color:var(--text-dim)}.start-arrow svg{width:18px;height:18px}.complete-badge{font-size:.75rem;color:var(--success);font-weight:500}.course-hero{background:var(--module-color, var(--primary));padding:1.75rem 0;text-align:center;color:#fff}.course-hero h1{font-size:1.25rem;font-weight:600;margin-bottom:.25rem;color:#fff}.course-hero p{color:#ffffffd9;font-size:.875rem}.steps-section{padding:1.5rem 0 3rem}.steps-list{display:flex;flex-direction:column;gap:.5rem}.step-item{background:var(--bg-card);border-radius:8px;padding:.875rem 1rem;display:flex;align-items:center;gap:.875rem;cursor:pointer;border:1px solid var(--border-light);box-shadow:var(--shadow-sm);transition:all .15s ease}.step-item:hover:not(.locked){border-color:var(--border);box-shadow:var(--shadow)}.step-item.locked{opacity:.55;cursor:not-allowed}.step-item.completed{border-left:3px solid var(--success)}.step-number{width:30px;height:30px;border-radius:6px;background:var(--bg-elevated);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.8125rem;flex-shrink:0;color:var(--text-muted)}.step-number svg{width:14px;height:14px}.step-item.completed .step-number{background:var(--success);color:#fff}.step-info{flex:1}.step-title{font-weight:500;font-size:.9375rem;color:var(--text)}.step-score{font-size:.75rem;color:var(--success);margin-top:.125rem}.clinical-context{background:#eff6ff;border:1px solid #BFDBFE;border-radius:8px;padding:1rem;margin-bottom:1.25rem}.context-label{font-weight:500;color:var(--primary);margin-bottom:.375rem;font-size:.8125rem;display:flex;align-items:center;gap:.375rem;text-transform:uppercase;letter-spacing:.03em}.context-label svg{width:16px;height:16px}.clinical-context p{line-height:1.6;font-size:.9375rem;color:var(--text-muted)}.video-label{color:var(--text-dim);font-size:.8125rem;margin-bottom:.5rem;text-align:center;display:flex;align-items:center;justify-content:center;gap:.375rem}.video-label svg{width:16px;height:16px}.lesson-view{padding:1.5rem 0}.video-section{margin-bottom:1.5rem}.video-wrapper{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:8px;background:#000}.video-wrapper iframe,.video-wrapper video{position:absolute;top:0;left:0;width:100%;height:100%}.video-placeholder{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:var(--bg-elevated);color:var(--text-dim);font-size:.875rem}.lesson-content{text-align:center}.lesson-content h2{font-size:1.125rem;font-weight:600;margin-bottom:.25rem;color:var(--text)}.lesson-instruction{color:var(--text-muted);margin-bottom:1.25rem;font-size:.875rem}.lesson-stats{display:flex;justify-content:center;gap:.5rem;margin-bottom:1.5rem}.stat-pill{background:var(--bg-elevated);padding:.5rem .75rem;border-radius:6px;font-size:.8125rem;display:flex;align-items:center;gap:.375rem;color:var(--text-muted)}.stat-pill svg{width:14px;height:14px}.btn-primary{background:var(--primary);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:6px;font-size:.9375rem;font-weight:500;cursor:pointer;transition:all .15s ease;display:inline-flex;align-items:center;gap:.5rem}.btn-primary svg{width:16px;height:16px}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--bg-card);color:var(--text);border:1px solid var(--border);padding:.75rem 1.5rem;border-radius:6px;font-size:.9375rem;font-weight:500;cursor:pointer;transition:all .15s ease}.btn-secondary:hover{background:var(--bg-elevated)}.btn-large{padding:.875rem 1.75rem}.quiz-header .header-content{gap:1rem}.quiz-progress-bar{flex:1;max-width:160px;height:4px;background:var(--border-light);border-radius:2px;overflow:hidden}.quiz-progress-fill{height:100%;background:var(--primary);transition:width .3s ease}.question-counter{font-weight:500;font-size:.8125rem;color:var(--text-muted)}.quiz-view{display:flex;align-items:center;min-height:calc(100vh - 60px);padding:1.5rem 0}.quiz-view-with-video{padding:1rem 0 2rem}.quiz-video-section{position:relative;margin-bottom:1rem}.quiz-video-wrapper{position:relative;padding-bottom:30%;height:0;overflow:hidden;border-radius:8px;background:#000;transition:padding-bottom .3s ease}.quiz-video-wrapper.expanded{padding-bottom:56.25%}.quiz-video-wrapper iframe,.quiz-video-wrapper video{position:absolute;top:0;left:0;width:100%;height:100%}.video-expand-btn{position:absolute;bottom:8px;right:8px;background:#000000a6;border:none;border-radius:4px;padding:6px;cursor:pointer;color:#fff;display:flex;align-items:center;justify-content:center;transition:background .15s}.video-expand-btn:hover{background:#000000d9}.video-expand-btn svg{width:14px;height:14px}.question-card{background:var(--bg-card);border-radius:8px;padding:1.5rem 1.25rem;width:100%;border:1px solid var(--border-light);box-shadow:var(--shadow)}.question-text{font-size:1rem;font-weight:500;margin-bottom:1.25rem;line-height:1.5;color:var(--text)}.options-list{display:flex;flex-direction:column;gap:.5rem}.option-btn{display:flex;align-items:center;gap:.75rem;background:var(--bg-card);border:1px solid var(--border-light);border-radius:6px;padding:.75rem 1rem;cursor:pointer;transition:all .15s ease;text-align:left;color:var(--text);font-size:.9375rem}.option-btn:hover:not(:disabled){border-color:var(--primary-light);background:#eff6ff}.option-btn.correct{border-color:var(--success);background:#ecfdf5}.option-btn.incorrect{border-color:var(--error);background:#fef2f2}.option-letter{width:24px;height:24px;border-radius:4px;background:var(--bg-elevated);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.75rem;flex-shrink:0;color:var(--text-muted)}.results-view{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:2rem 0}.results-main{padding:2rem 0 3rem}.results-content{max-width:400px;margin:0 auto}.results-header{text-align:center;margin-bottom:1.5rem}.results-header.passed .results-icon{color:var(--success)}.results-header.failed .results-icon{color:var(--primary)}.results-icon{width:48px;height:48px;margin:0 auto .875rem}.results-icon svg{width:100%;height:100%}.results-header h1{font-size:1.375rem;font-weight:600;margin-bottom:.25rem;color:var(--text)}.results-message{color:var(--text-muted);font-size:.9375rem}.results-score-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:12px;padding:1.5rem;text-align:center;margin-bottom:1rem;box-shadow:var(--shadow)}.score-circle-large{width:100px;height:100px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto .75rem;border:4px solid}.score-circle-large.pass{border-color:var(--success);background:#ecfdf5}.score-circle-large.fail{border-color:var(--error);background:#fef2f2}.score-circle-large .score-number{font-size:1.75rem;font-weight:600;color:var(--text)}.score-detail{color:var(--text-muted);font-size:.9375rem}.results-info{background:var(--bg-card);border:1px solid var(--border-light);border-radius:12px;padding:1rem 1.25rem;margin-bottom:1.5rem;box-shadow:var(--shadow-sm)}.info-item{display:flex;align-items:center;gap:.75rem}.info-icon{width:24px;height:24px;color:#ea580c}.info-icon svg{width:100%;height:100%}.info-text{display:flex;align-items:baseline;gap:.375rem}.info-value{font-size:1.125rem;font-weight:600;color:var(--text)}.info-label{font-size:.875rem;color:var(--text-muted)}.results-actions{display:flex;flex-direction:column;gap:.625rem}.results-actions .btn-primary,.results-actions .btn-secondary{width:100%;justify-content:center}.results-card{background:var(--bg-card);border-radius:10px;padding:2rem 1.5rem;text-align:center;max-width:360px;width:100%;border:1px solid var(--border-light);box-shadow:var(--shadow-md)}.results-card.passed .results-icon{color:var(--success)}.results-card h1{font-size:1.25rem;font-weight:600;margin-bottom:.25rem;color:var(--text)}.score-display{margin-bottom:1rem}.score-circle{width:80px;height:80px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto .5rem;border:3px solid}.score-circle.pass{border-color:var(--success);background:#ecfdf5}.score-circle.fail{border-color:var(--error);background:#fef2f2}.score-number{font-size:1.5rem;font-weight:600;color:var(--text)}.score-display p{color:var(--text-muted);font-size:.8125rem}.results-stats{display:flex;justify-content:center;gap:2rem;margin-bottom:1.25rem;padding:.875rem;background:var(--bg-elevated);border-radius:6px}.result-stat{text-align:center}.result-stat .stat-label{display:block;font-size:.6875rem;color:var(--text-dim);margin-bottom:.125rem;text-transform:uppercase;letter-spacing:.05em}.result-stat .stat-value{font-size:.9375rem;font-weight:600;color:var(--text)}@media (max-width: 500px){.container{padding:0 16px}.hero h1{font-size:1.375rem}.module-card{padding:.875rem}.question-text{font-size:.9375rem}.results-card{padding:1.5rem 1.25rem}.user-stats{gap:.375rem}.stat{padding:.25rem .5rem;font-size:.75rem}}.video-container{position:absolute;top:0;left:0;width:100%;height:100%;overflow:hidden}.video-container iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0}.video-mask-top{position:absolute;top:0;left:0;right:0;height:48px;background:#000;z-index:1;pointer-events:none}.video-wrapper video,.quiz-video-wrapper video{position:absolute;top:0;left:0;width:100%;height:100%}.free-text-answer{display:flex;flex-direction:column;gap:1rem}.free-text-input{width:100%;padding:1rem;border:1px solid var(--border-light);border-radius:8px;font-size:.9375rem;font-family:inherit;line-height:1.6;resize:vertical;background:var(--bg-card);color:var(--text)}.free-text-input:focus{outline:none;border-color:var(--primary-light)}.free-text-input:disabled{background:var(--bg-elevated);color:var(--text-muted)}.loading-spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.ai-feedback{background:var(--bg-elevated);border-radius:8px;padding:1.25rem;border:1px solid var(--border-light)}.ai-feedback.passed{border-color:var(--success);background:#ecfdf5}.ai-feedback.failed{border-color:var(--error);background:#fef2f2}.ai-score,.ai-grade{display:flex;align-items:center;gap:.75rem;margin-bottom:1rem}.grade-badge{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.125rem;font-weight:600;color:#fff}.grade-badge svg{width:20px;height:20px}.grade-badge.correct{background:var(--success)}.grade-badge.almost{background:#059669}.grade-badge.partial{background:var(--warning)}.grade-badge.incorrect{background:var(--error)}.grade-label{font-weight:600;font-size:1.125rem}.ai-feedback.passed .grade-label{color:var(--success)}.ai-feedback.failed .grade-label{color:var(--error)}.score-badge{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.125rem;font-weight:600;color:#fff}.score-badge.pass{background:var(--success)}.score-badge.fail{background:var(--error)}.score-label{font-weight:500;font-size:1rem}.ai-feedback.passed .score-label{color:var(--success)}.ai-feedback.failed .score-label{color:var(--error)}.ai-feedback-text,.your-answer{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border-light)}.feedback-label{font-size:.75rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em;color:var(--text-dim);margin-bottom:.375rem}.ai-feedback-text p,.your-answer p{font-size:.9375rem;line-height:1.6;color:var(--text)}.ai-continue-btn{width:100%;margin-top:1.25rem;justify-content:center}.ai-feedback-actions{display:flex;gap:.75rem;margin-top:1.25rem}.ai-feedback-actions .btn-secondary,.ai-feedback-actions .btn-primary{flex:1;justify-content:center}.mcq-explanation{margin-top:1.25rem;padding:1rem;background:#eff6ff;border:1px solid #BFDBFE;border-radius:8px}.explanation-header{display:flex;align-items:center;gap:.5rem;font-weight:500;color:var(--primary);margin-bottom:.5rem;font-size:.875rem}.mcq-explanation p{font-size:.9375rem;line-height:1.6;color:var(--text);margin:0}.dispute-btn{display:inline-flex;align-items:center;gap:.25rem;margin-top:.75rem;padding:0;background:transparent;border:none;color:var(--text-dim);font-size:.6875rem;cursor:pointer;transition:color .15s;text-decoration:underline;text-underline-offset:2px}.dispute-btn:hover{color:var(--text-muted)}.dispute-btn svg{width:10px;height:10px}.feedback-modal{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.feedback-modal-content{background:var(--bg-card);border-radius:12px;max-width:500px;width:100%;max-height:90vh;overflow-y:auto}.feedback-modal-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.25rem;border-bottom:1px solid var(--border-light)}.feedback-modal-header h3{font-size:1.125rem;font-weight:600}.feedback-modal-body{padding:1.25rem}.feedback-summary{background:var(--bg-elevated);border-radius:8px;padding:1rem;margin-bottom:1rem}.feedback-item{margin-bottom:.75rem}.feedback-item:last-child{margin-bottom:0}.feedback-item-label{display:block;font-size:.6875rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em;color:var(--text-dim);margin-bottom:.25rem}.feedback-item p{font-size:.875rem;line-height:1.5;color:var(--text);margin:0}.feedback-textarea{width:100%;padding:.75rem;border:1px solid var(--border-light);border-radius:6px;font-size:.9375rem;font-family:inherit;line-height:1.5;resize:vertical;background:var(--bg-card);color:var(--text)}.feedback-textarea:focus{outline:none;border-color:var(--primary-light)}.feedback-modal-footer{display:flex;gap:.75rem;padding:1rem 1.25rem;border-top:1px solid var(--border-light)}.feedback-modal-footer .btn-secondary,.feedback-modal-footer .btn-primary{flex:1;justify-content:center}.feedback-success{text-align:center;padding:2rem 1.5rem}.success-icon{width:48px;height:48px;margin:0 auto 1rem;color:var(--success)}.success-icon svg{width:100%;height:100%}.feedback-success h3{font-size:1.25rem;margin-bottom:.5rem}.feedback-success p{color:var(--text-muted);margin-bottom:1.5rem}.edit-mode-toggle{display:flex;align-items:center;gap:.375rem;padding:.5rem .875rem;background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:6px;font-size:.8125rem;font-weight:500;color:var(--text-muted);cursor:pointer;transition:all .15s}.edit-mode-toggle:hover{background:var(--border-light);color:var(--text)}.edit-mode-toggle.active{background:var(--primary);border-color:var(--primary);color:#fff}.edit-mode-toggle svg{width:14px;height:14px}.inline-edit-actions{position:absolute;top:.5rem;right:.5rem;display:flex;gap:.25rem;z-index:10}.module-card.edit-mode,.step-item.edit-mode{position:relative}.module-edit-btn,.module-delete-btn,.step-edit-btn,.step-delete-btn{width:28px;height:28px;border-radius:4px;background:var(--bg-card);border:1px solid var(--border-light);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s}.module-edit-btn:hover,.step-edit-btn:hover{background:var(--primary);border-color:var(--primary);color:#fff}.module-delete-btn:hover,.step-delete-btn:hover{background:var(--error);border-color:var(--error);color:#fff}.module-edit-btn svg,.module-delete-btn svg,.step-edit-btn svg,.step-delete-btn svg{width:14px;height:14px}.btn-add-inline{display:block;width:100%;padding:1rem;margin-bottom:1rem;background:var(--bg-card);border:2px dashed var(--border);border-radius:8px;color:var(--text-muted);font-size:.9375rem;font-weight:500;cursor:pointer;transition:all .15s}.btn-add-inline:hover{border-color:var(--primary);color:var(--primary);background:#eff6ff}.edit-section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding:.75rem 1rem;background:var(--bg-elevated);border-radius:6px}.edit-section-header span{font-weight:500;font-size:.875rem;color:var(--text-muted)}.btn-small{padding:.375rem .75rem;font-size:.8125rem}.btn-edit-hero{margin-top:1rem;padding:.5rem 1rem;background:#fff3;border:1px solid rgba(255,255,255,.3);border-radius:6px;color:#fff;font-size:.8125rem;cursor:pointer;transition:all .15s}.btn-edit-hero:hover{background:#ffffff4d}.btn-edit-video{display:block;width:100%;margin-top:.75rem;padding:.625rem;background:var(--bg-card);border:1px dashed var(--border);border-radius:6px;color:var(--text-muted);font-size:.8125rem;cursor:pointer;transition:all .15s}.btn-edit-video:hover{border-color:var(--primary);color:var(--primary)}.clinical-context.editable,.video-section.editable{border:2px dashed transparent;transition:border-color .15s}.clinical-context.editable:hover,.video-section.editable:hover{border-color:var(--primary-light)}.clinical-context.empty{background:var(--bg-elevated);border:2px dashed var(--border)}.empty-text{color:var(--text-dim);font-style:italic}.questions-edit-section{margin-top:1.5rem;padding:1rem;background:var(--bg-card);border:1px solid var(--border-light);border-radius:8px}.questions-edit-list{display:flex;flex-direction:column;gap:.5rem}.question-edit-item{display:flex;align-items:center;gap:.75rem;padding:.75rem;background:var(--bg-elevated);border-radius:6px}.q-number{font-weight:600;font-size:.75rem;color:var(--primary);min-width:28px}.q-text{flex:1;font-size:.875rem;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.q-type{font-size:.6875rem;padding:.25rem .5rem;background:var(--bg-card);border-radius:4px;color:var(--text-dim)}.btn-icon-small{width:24px;height:24px;border-radius:4px;background:var(--bg-card);border:1px solid var(--border-light);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s}.btn-icon-small:hover{background:var(--primary);border-color:var(--primary);color:#fff}.btn-icon-small.btn-danger:hover{background:var(--error);border-color:var(--error)}.btn-icon-small svg{width:12px;height:12px}.type-toggle-group{display:flex;gap:1rem}.type-toggle-label{display:flex;align-items:center;gap:.375rem;font-size:.875rem;cursor:pointer}.type-toggle-label input{accent-color:var(--primary)}.option-edit-row{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem}.option-edit-row input[type=radio]{accent-color:var(--success)}.opt-letter{width:24px;height:24px;border-radius:4px;background:var(--bg-elevated);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.75rem;color:var(--text-muted)}.step-meta{font-size:.75rem;color:var(--text-dim);margin-top:.25rem}.inline-edit-textarea{width:100%;padding:.75rem;border:1px solid var(--border-light);border-radius:6px;font-size:.9375rem;font-family:inherit;line-height:1.6;resize:vertical;min-height:80px;background:var(--bg-card);color:var(--text)}.inline-edit-textarea:focus{outline:none;border-color:var(--primary-light)}.drag-handle{cursor:grab;color:var(--text-dim);font-size:1rem;padding:0 .25rem;-webkit-user-select:none;user-select:none}.drag-handle:active{cursor:grabbing}.question-edit-item.dragging{opacity:.5;background:var(--primary-light)}.question-edit-item{transition:transform .15s ease}.clinical-context.editable{display:block;margin-bottom:1.25rem}.feedback-buttons{display:flex;flex-direction:column;gap:.5rem;margin-top:1rem}.explain-btn{display:flex;align-items:center;justify-content:center;gap:.375rem;width:100%;padding:.75rem;background:#eff6ff;border:1px solid #BFDBFE;border-radius:6px;color:var(--primary);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .15s}.explain-btn:hover:not(:disabled){background:#dbeafe;border-color:var(--primary-light)}.explain-btn:disabled{opacity:.7;cursor:not-allowed}.explain-btn svg{width:16px;height:16px}.explanation-box{margin-top:1rem;padding:1rem;background:#ecfdf5;border:1px solid #A7F3D0;border-radius:8px}.explanation-header{display:flex;align-items:center;gap:.5rem;font-weight:500;color:var(--success);margin-bottom:.5rem;font-size:.875rem}.explanation-icon{width:18px;height:18px}.explanation-icon svg{width:100%;height:100%}.explanation-box p{font-size:.9375rem;line-height:1.6;color:var(--text);margin:0}.mcq-result{padding:1.25rem;border-radius:8px;margin-bottom:1rem}.mcq-result.correct{background:#ecfdf5;border:1px solid #A7F3D0}.mcq-result.incorrect{background:#fef2f2;border:1px solid #FECACA}.mcq-result-header{display:flex;align-items:center;gap:.75rem;margin-bottom:1rem}.result-badge{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff}.result-badge.correct{background:var(--success)}.result-badge.incorrect{background:var(--error)}.result-badge svg{width:20px;height:20px}.result-label{font-size:1.25rem;font-weight:600}.mcq-result.correct .result-label{color:var(--success)}.mcq-result.incorrect .result-label{color:var(--error)}.correct-answer-box{background:#fff;border-radius:6px;padding:1rem;margin-bottom:1rem}.answer-label{font-size:.6875rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em;color:var(--text-dim);margin-bottom:.375rem}.correct-answer-box p{font-size:.9375rem;line-height:1.5;color:var(--text);margin:0}.mcq-explanation-box{background:#fff;border-radius:6px;padding:1rem;margin-bottom:1rem}.explanation-label{display:flex;align-items:center;gap:.375rem;font-size:.75rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em;color:var(--primary);margin-bottom:.5rem}.explanation-label svg{width:14px;height:14px}.mcq-explanation-box p{font-size:.9375rem;line-height:1.6;color:var(--text);margin:0}.mcq-continue-btn{width:100%;justify-content:center}.mcq-result .dispute-btn{margin-top:.5rem;justify-content:flex-end;width:100%}.admin-login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem}.admin-login-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:12px;padding:2rem;max-width:360px;width:100%;text-align:center}.admin-login-card h1{font-size:1.5rem;margin-bottom:.5rem}.admin-login-card p{color:var(--text-muted);margin-bottom:1.5rem}.admin-login-card .admin-input{margin-bottom:1rem}.admin-login-card .btn-primary{width:100%;margin-bottom:.75rem}.admin-login-card .btn-secondary{width:100%}.admin-container{min-height:100vh;padding-bottom:2rem}.admin-header{background:var(--bg-card);border-bottom:1px solid var(--border-light);padding:1rem 1.5rem;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100}.admin-header h1{font-size:1.25rem;font-weight:600}.admin-actions{display:flex;gap:.5rem}.btn-back{display:flex;align-items:center;gap:.5rem;background:none;border:none;color:var(--text-muted);font-size:.9375rem;cursor:pointer;padding:.5rem}.btn-back:hover{color:var(--text)}.btn-back svg{width:20px;height:20px}.admin-content{max-width:900px;margin:0 auto;padding:1.5rem}.admin-section{margin-bottom:2rem}.admin-section h2{font-size:1.125rem;font-weight:600;margin-bottom:1rem}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.section-header h2{margin-bottom:0}.form-group{margin-bottom:1.25rem}.form-group label{display:block;font-size:.875rem;font-weight:500;color:var(--text-muted);margin-bottom:.5rem}.form-group small{display:block;font-size:.75rem;color:var(--text-dim);margin-top:.375rem}.admin-input{width:100%;background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:6px;padding:.75rem 1rem;font-size:.9375rem;color:var(--text);transition:border-color .15s}.admin-input:focus{outline:none;border-color:var(--primary)}.admin-textarea{width:100%;background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:6px;padding:.75rem 1rem;font-size:.9375rem;color:var(--text);resize:vertical;font-family:inherit;line-height:1.5}.admin-textarea:focus{outline:none;border-color:var(--primary)}.color-picker{display:flex;align-items:center;gap:.75rem}.color-picker input[type=color]{width:48px;height:36px;border:none;border-radius:6px;cursor:pointer;padding:0}.color-picker span{font-family:monospace;font-size:.875rem;color:var(--text-muted)}.modules-list,.steps-list{display:flex;flex-direction:column;gap:.75rem}.admin-module-card,.admin-step-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:8px;padding:1rem;display:flex;align-items:center;gap:1rem}.module-color-bar{width:4px;height:48px;border-radius:2px;flex-shrink:0}.module-info,.step-info{flex:1;min-width:0}.module-info h3,.step-info h4{font-size:1rem;font-weight:500;margin-bottom:.25rem}.module-info p,.step-context{font-size:.8125rem;color:var(--text-muted);margin-bottom:.25rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.step-count,.question-count{font-size:.75rem;color:var(--text-dim)}.module-actions,.step-actions{display:flex;gap:.375rem;flex-shrink:0}.step-number{width:36px;height:36px;border-radius:6px;background:var(--bg-elevated);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.875rem;color:var(--text-muted);flex-shrink:0}.btn-small{padding:.5rem 1rem;font-size:.875rem}.btn-icon{width:32px;height:32px;border-radius:6px;background:var(--bg-elevated);border:1px solid var(--border-light);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s}.btn-icon:hover:not(:disabled){background:var(--border);color:var(--text)}.btn-icon:disabled{opacity:.3;cursor:not-allowed}.btn-icon svg{width:16px;height:16px}.btn-icon.btn-danger:hover:not(:disabled){background:#dc262633;border-color:var(--error);color:var(--error)}.video-preview{margin:1rem 0;border-radius:8px;overflow:hidden;position:relative;padding-bottom:40%;background:var(--bg-card)}.video-preview iframe{position:absolute;top:0;left:0;width:100%;height:100%}.questions-list{display:flex;flex-direction:column;gap:1rem}.admin-question-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:8px;padding:1.25rem}.question-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.question-number{font-weight:600;font-size:.875rem;color:var(--primary-light)}.question-actions{display:flex;gap:.375rem}.options-editor{margin-top:1rem}.options-editor>label{display:block;font-size:.875rem;font-weight:500;color:var(--text-muted);margin-bottom:.75rem}.option-row{display:flex;align-items:center;gap:.75rem;margin-bottom:.5rem}.option-row input[type=radio]{width:18px;height:18px;accent-color:var(--success);cursor:pointer}.option-row .option-letter{width:24px;height:24px;border-radius:4px;background:var(--bg-elevated);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.75rem;color:var(--text-muted);flex-shrink:0}.option-row .admin-input{flex:1}.empty-state{text-align:center;padding:2rem;color:var(--text-dim);font-size:.9375rem}@media (max-width: 600px){.admin-header{flex-direction:column;gap:1rem;align-items:stretch}.admin-actions{justify-content:center}.admin-module-card,.admin-step-card{flex-wrap:wrap}.module-actions,.step-actions{width:100%;justify-content:flex-end;margin-top:.5rem}}.modal{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.modal-content{background:var(--bg-card);border:1px solid var(--border-light);border-radius:12px;padding:1.5rem;max-width:480px;width:100%}.modal-content h2{font-size:1.25rem;margin-bottom:.5rem}.modal-content>p{color:var(--text-muted);font-size:.875rem;margin-bottom:1.25rem}.modal-actions{display:flex;gap:.75rem;justify-content:flex-end;margin-top:1.5rem}.btn-add-question{margin-top:1rem;width:100%}.admin-logo{display:flex;align-items:center;gap:.5rem;font-size:1.125rem;font-weight:600;color:var(--text);text-decoration:none;cursor:pointer}.admin-logo:hover{color:var(--primary)}.admin-logo .logo-icon{width:24px;height:24px;color:var(--primary)}.admin-logo .logo-icon svg{width:100%;height:100%}.admin-header{gap:1rem}.question-type-toggle{display:flex;gap:1rem;margin-left:auto;margin-right:1rem}.type-label{display:flex;align-items:center;gap:.375rem;font-size:.8125rem;color:var(--text-muted);cursor:pointer}.type-label input[type=radio]{accent-color:var(--primary)}.ai-grading-note{display:flex;align-items:center;gap:.5rem;padding:.75rem;background:#eff6ff;border:1px solid #BFDBFE;border-radius:6px;font-size:.8125rem;color:var(--primary);margin-top:.5rem}.ai-grading-note svg{flex-shrink:0}.loading-text{text-align:center;color:var(--text-muted);padding:2rem}.empty-hint{font-size:.875rem;color:var(--text-dim);margin-top:.5rem}.feedback-list{display:flex;flex-direction:column;gap:1rem}.feedback-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:8px;overflow:hidden}.feedback-card-header{display:flex;align-items:center;gap:1rem;padding:.75rem 1rem;background:var(--bg-elevated);border-bottom:1px solid var(--border-light)}.feedback-date{font-size:.8125rem;color:var(--text-muted)}.feedback-location{font-size:.75rem;color:var(--text-dim);background:var(--bg-card);padding:.25rem .5rem;border-radius:4px}.feedback-card-header .btn-icon{margin-left:auto}.feedback-card-body{padding:1rem}.feedback-field{margin-bottom:1rem}.feedback-field:last-child{margin-bottom:0}.field-label{display:block;font-size:.6875rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em;color:var(--text-dim);margin-bottom:.375rem}.feedback-field p{font-size:.9375rem;line-height:1.5;color:var(--text);margin:0}.feedback-row{display:flex;gap:1rem;margin-bottom:1rem}.flex-1{flex:1}.ai-score-value{font-size:1.25rem;font-weight:600;color:var(--primary)}.user-complaint{background:#fef3c7;border:1px solid #FCD34D;border-radius:6px;padding:.75rem;margin-top:.5rem}.user-complaint .field-label{color:var(--warning)}.stats-loading{text-align:center;padding:3rem;color:var(--text-muted)}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-bottom:2rem}.stat-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:10px;padding:1.25rem;display:flex;align-items:center;gap:1rem}.stat-card-icon{width:48px;height:48px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.stat-card-icon svg{width:24px;height:24px}.stat-card-icon.modules-icon{background:#eef2ff;color:#6366f1}.stat-card-icon.steps-icon{background:#ecfdf5;color:#059669}.stat-card-icon.questions-icon{background:#fef3c7;color:#d97706}.stat-card-icon.ai-icon{background:#fce7f3;color:#db2777}.stat-card-content{display:flex;flex-direction:column}.stat-card-value{font-size:1.75rem;font-weight:600;color:var(--text);line-height:1}.stat-card-label{font-size:.8125rem;color:var(--text-muted);margin-top:.25rem}.chart-container{background:var(--bg-card);border:1px solid var(--border-light);border-radius:8px;padding:1.25rem}.simple-bar-chart{display:flex;flex-direction:column;gap:1rem}.bar-item{display:flex;align-items:center;gap:1rem}.bar-label{width:120px;font-size:.875rem;color:var(--text-muted);flex-shrink:0}.bar-track{flex:1;height:24px;background:var(--bg-elevated);border-radius:4px;overflow:hidden}.bar-fill{height:100%;border-radius:4px;transition:width .5s ease}.bar-fill.mcq{background:#6366f1}.bar-fill.ai{background:#db2777}.bar-value{width:40px;font-size:.875rem;font-weight:600;color:var(--text);text-align:right}.feedback-badge{font-size:.75rem;padding:.25rem .625rem;background:var(--bg-elevated);border-radius:12px;color:var(--text-muted)}.more-feedback{text-align:center;padding:1rem;color:var(--text-dim);font-size:.875rem}