@import "https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Space+Mono:wght@400;700&display=swap";:root{--bg-primary:#0a0f1c;--bg-secondary:#111827;--bg-card:#1a2235;--bg-card-hover:#1f2a40;--bg-input:#0f1729;--border:#2a3550;--border-focus:#3b82f6;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--accent-blue:#3b82f6;--accent-blue-soft:#3b82f626;--accent-green:#10b981;--accent-green-soft:#10b98126;--accent-yellow:#f59e0b;--accent-yellow-soft:#f59e0b26;--accent-red:#ef4444;--accent-red-soft:#ef444426;--accent-purple:#8b5cf6;--accent-purple-soft:#8b5cf626;--radius:12px;--radius-sm:8px;--radius-lg:16px;--shadow:0 4px 24px #0000004d}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:DM Sans,sans-serif}#root{flex-direction:column;min-height:100vh;display:flex}.app-container{width:100%;max-width:960px;margin:0 auto;padding:0 20px}.page{padding:24px 0;animation:.3s fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.navbar{background:var(--bg-secondary);border-bottom:1px solid var(--border);z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:0 20px;position:sticky;top:0}.navbar-inner{justify-content:space-between;align-items:center;max-width:960px;height:60px;margin:0 auto;display:flex}.navbar-brand{color:var(--text-primary);letter-spacing:-.02em;align-items:center;gap:10px;font-size:1.2rem;font-weight:700;text-decoration:none;display:flex}.navbar-brand .logo-icon{background:linear-gradient(135deg, var(--accent-green), var(--accent-blue));border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;font-size:16px;display:flex}.navbar-links{align-items:center;gap:4px;display:flex}.navbar-links a,.navbar-links button{border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;padding:8px 14px;font-family:inherit;font-size:.875rem;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.navbar-links a:hover,.navbar-links button:hover{background:var(--bg-card);color:var(--text-primary)}.navbar-links a.active{background:var(--accent-blue-soft);color:var(--accent-blue)}h1{letter-spacing:-.03em;font-size:1.75rem;font-weight:700;line-height:1.2}h2{letter-spacing:-.02em;font-size:1.35rem;font-weight:600}h3{font-size:1.1rem;font-weight:600}.subtitle{color:var(--text-secondary);margin-top:6px;font-size:.95rem}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:all .2s}.btn{border-radius:var(--radius-sm);cursor:pointer;border:none;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-family:inherit;font-size:.9rem;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.btn-primary{background:var(--accent-blue);color:#fff}.btn-primary:hover{background:#2563eb;transform:translateY(-1px);box-shadow:0 4px 12px #3b82f666}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--text-muted)}.btn-success{background:var(--accent-green);color:#fff}.btn-success:hover{background:#059669}.btn-danger{background:var(--accent-red);color:#fff}.btn-danger:hover{background:#dc2626}.btn-ghost{color:var(--text-secondary);background:0 0;padding:8px 12px}.btn-ghost:hover{background:var(--bg-card);color:var(--text-primary)}.btn-sm{padding:6px 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12px center;background-repeat:no-repeat;padding-right:36px}.badge{border-radius:100px;align-items:center;gap:4px;padding:3px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.badge-blue{background:var(--accent-blue-soft);color:var(--accent-blue)}.badge-green{background:var(--accent-green-soft);color:var(--accent-green)}.badge-yellow{background:var(--accent-yellow-soft);color:var(--accent-yellow)}.badge-red{background:var(--accent-red-soft);color:var(--accent-red)}.badge-purple{background:var(--accent-purple-soft);color:var(--accent-purple)}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:24px;display:grid}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.stat-card .stat-label{color:var(--text-muted);margin-bottom:6px;font-size:.8rem}.stat-card .stat-value{font-family:Space Mono,monospace;font-size:1.6rem;font-weight:700}.stat-card 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h1{font-size:2rem}.home-actions{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-top:32px;display:grid}.action-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);flex-direction:column;gap:12px;padding:28px;text-decoration:none;transition:all .2s;display:flex}.action-card:hover{border-color:var(--accent-blue);background:var(--bg-card-hover);box-shadow:var(--shadow);transform:translateY(-3px)}.action-icon{border-radius:12px;justify-content:center;align-items:center;width:48px;height:48px;display:flex}.action-card p{color:var(--text-secondary);font-size:.85rem;line-height:1.5}.quiz-setup{max-width:500px;margin:0 auto}.quiz-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:16px;display:flex}.quiz-progress{align-items:center;gap:12px;display:flex}.progress-bar{background:var(--bg-input);border-radius:3px;width:200px;height:6px;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--accent-blue), var(--accent-green));border-radius:3px;height:100%;transition:width .4s}.progress-text{color:var(--text-muted);font-family:Space Mono,monospace;font-size:.85rem}.question-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:20px;padding:32px}.question-meta{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.question-text{margin-bottom:24px;font-size:1.15rem;font-weight:500;line-height:1.6}.choices-list{flex-direction:column;gap:10px;display:flex}.choice-btn{background:var(--bg-input);border:2px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);cursor:pointer;text-align:left;align-items:flex-start;gap:12px;padding:14px 16px;font-family:inherit;font-size:.9rem;line-height:1.5;transition:all .2s;display:flex}.choice-btn:hover:not(:disabled),.choice-btn.selected{border-color:var(--accent-blue);background:var(--accent-blue-soft)}.choice-btn.correct{border-color:var(--accent-green);background:var(--accent-green-soft)}.choice-btn.incorrect{border-color:var(--accent-red);background:var(--accent-red-soft)}.choice-letter{background:var(--border);border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:.8rem;font-weight:700;display:flex}.answer-textarea{background:var(--bg-input);border:2px solid var(--border);border-radius:var(--radius-sm);width:100%;min-height:140px;color:var(--text-primary);resize:vertical;padding:16px;font-family:inherit;font-size:.95rem;line-height:1.6;transition:border-color .2s}.answer-textarea:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px var(--accent-blue-soft);outline:none}.quiz-actions{justify-content:flex-end;gap:12px;margin-top:16px;display:flex}.ai-feedback{border-radius:var(--radius);border:1px solid;margin-top:20px;padding:20px}.ai-feedback.good{background:var(--accent-green-soft);border-color:#10b9814d}.ai-feedback.partial{background:var(--accent-yellow-soft);border-color:#f59e0b4d}.ai-feedback.bad{background:var(--accent-red-soft);border-color:#ef44444d}.ai-feedback .feedback-score{margin-bottom:8px;font-family:Space Mono,monospace;font-size:1.1rem;font-weight:700}.ai-feedback .feedback-text{color:var(--text-secondary);font-size:.9rem;line-height:1.6}.ai-feedback .missing-list{color:var(--text-muted);margin-top:10px;padding-left:20px;font-size:.85rem}.ai-feedback .missing-list li{margin-bottom:4px}.evaluating-spinner{color:var(--text-secondary);align-items:center;gap:10px;margin-top:16px;font-size:.9rem;display:flex}.spinner{border:2px solid var(--border);border-top-color:var(--accent-blue);border-radius:50%;width:20px;height:20px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.results-header{text-align:center;padding:32px 0}.score-circle{border:4px solid;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:140px;height:140px;margin:24px auto;display:flex}.score-circle.high{border-color:var(--accent-green);background:var(--accent-green-soft)}.score-circle.medium{border-color:var(--accent-yellow);background:var(--accent-yellow-soft)}.score-circle.low{border-color:var(--accent-red);background:var(--accent-red-soft)}.score-circle .score-number{font-family:Space Mono,monospace;font-size:2.2rem;font-weight:700}.score-circle .score-label{color:var(--text-muted);font-size:.75rem}.result-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;padding:20px}.result-item-header{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:10px;display:flex}.result-item .result-q{font-weight:500;line-height:1.5}.result-item .result-answer{color:var(--text-secondary);background:var(--bg-input);border-radius:var(--radius-sm);margin-top:8px;padding:10px;font-size:.85rem}.result-item .result-expected{color:var(--accent-green);border-radius:var(--radius-sm);background:#10b98114;margin-top:8px;padding:10px;font-size:.85rem}.dashboard-section{margin-bottom:32px}.dashboard-section h2{margin-bottom:16px}.category-stats{flex-direction:column;gap:8px;display:flex}.category-row{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);align-items:center;gap:12px;padding:12px 16px;display:flex}.category-name{flex:1;font-size:.9rem;font-weight:500}.category-bar-container{background:var(--bg-input);border-radius:3px;width:120px;height:6px;overflow:hidden}.category-bar-fill{border-radius:3px;height:100%;transition:width .4s}.category-pct{color:var(--text-muted);text-align:right;width:40px;font-family:Space Mono,monospace;font-size:.8rem}.resources-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;display:grid}.resource-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:10px;padding:20px;transition:all .2s;display:flex}.resource-card:hover{border-color:var(--accent-blue)}.resource-icon{background:var(--accent-red-soft);width:40px;height:40px;color:var(--accent-red);border-radius:10px;justify-content:center;align-items:center;display:flex}.admin-tabs{border-bottom:1px solid var(--border);gap:4px;margin-bottom:24px;padding-bottom:4px;display:flex}.admin-tab{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;padding:10px 18px;font-family:inherit;font-size:.9rem;font-weight:500;transition:all .2s}.admin-tab:hover{color:var(--text-primary)}.admin-tab.active{color:var(--accent-blue);border-bottom-color:var(--accent-blue)}.table-container{overflow-x:auto}table{border-collapse:collapse;width:100%}th{text-align:left;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--border);padding:10px 14px;font-size:.8rem;font-weight:600}td{border-bottom:1px solid var(--border);color:var(--text-secondary);padding:12px 14px;font-size:.875rem}tr:hover td{background:var(--bg-card)}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:200;background:#0009;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:560px;max-height:80vh;box-shadow:var(--shadow);padding:32px;animation:.2s modalIn;overflow-y:auto}@keyframes modalIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.modal h2{margin-bottom:20px}.modal-actions{justify-content:flex-end;gap:10px;margin-top:24px;display:flex}.empty-state{text-align:center;color:var(--text-muted);padding:48px 20px}.empty-state .empty-icon{margin-bottom:12px;font-size:2.5rem}.empty-state p{margin-bottom:20px;font-size:.95rem}.loading-container{justify-content:center;align-items:center;padding:48px;display:flex}.loading-dots{gap:6px;display:flex}.loading-dots span{background:var(--accent-blue);border-radius:50%;width:8px;height:8px;animation:1.2s infinite bounce}.loading-dots span:nth-child(2){animation-delay:.2s}.loading-dots span:nth-child(3){animation-delay:.4s}@keyframes bounce{0%,80%,to{opacity:.4;transform:scale(.6)}40%{opacity:1;transform:scale(1)}}@media (width<=640px){.navbar-links a span,.navbar-links button span{display:none}.navbar-links a,.navbar-links button{padding:8px}.home-header h1{font-size:1.5rem}.home-actions{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}.question-card{padding:20px}.auth-card{padding:28px}.progress-bar{width:120px}}