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10px 40px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(59, 130, 246, .15);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--sidebar-width: 260px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s cubic-bezier(.4, 0, .2, 1)}[data-theme=light]{--bg-primary: #f1f5f9;--bg-secondary: #e2e8f0;--bg-card: rgba(255, 255, 255, .85);--bg-card-hover: rgba(255, 255, 255, .95);--bg-input: rgba(241, 245, 249, .9);--bg-sidebar: rgba(255, 255, 255, .95);--bg-nested: rgba(241, 245, 249, .7);--bg-modal: rgba(0, 0, 0, .4);--text-primary: #1e293b;--text-secondary: #475569;--text-muted: #94a3b8;--text-heading: #0f172a;--border-color: rgba(59, 130, 246, .15);--border-hover: rgba(59, 130, 246, .3);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 40px rgba(0, 0, 0, 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24px;background:transparent;border:none;cursor:pointer;font-family:var(--font-sans);color:var(--text-primary);transition:background var(--transition-fast)}.collapsible-header:hover{background:#3b82f60a}.collapsible-left{display:flex;align-items:center;gap:10px}.collapsible-toggle{width:24px;height:24px;border-radius:6px;background:#3b82f61a;display:flex;align-items:center;justify-content:center;color:var(--accent-blue);font-size:.85rem;flex-shrink:0;transition:transform var(--transition-fast)}.collapsible-title{font-size:1rem;font-weight:700;color:var(--text-heading)}.collapsible-count{color:var(--text-muted);font-weight:500;margin-left:6px}.collapsible-right{display:flex;align-items:center;gap:8px}.collapsible-body{padding:0 24px 20px;animation:collapsibleOpen .25s ease forwards}@keyframes collapsibleOpen{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border:none;border-radius:var(--radius-sm);font-family:var(--font-sans);font-size:.875rem;font-weight:600;cursor:pointer;transition:all var(--transition-normal);text-decoration:none;line-height:1.4}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:0 2px 10px #3b82f64d}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 20px #3b82f666;color:#fff}.btn-secondary{background:#3b82f61a;color:var(--accent-blue);border:1px solid var(--border-color)}.btn-secondary:hover:not(:disabled){background:#3b82f633;border-color:var(--border-hover)}.btn-success{background:var(--gradient-green);color:#fff;box-shadow:0 2px 10px #10b9814d}.btn-success:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 20px 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.score-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-top:4px}.score-bar-track{width:100%;height:4px;border-radius:2px;background:var(--border-color);margin-top:8px;overflow:hidden}.score-bar-fill{height:100%;border-radius:2px;background:var(--gradient-primary);transition:width .8s ease}.score-good{--gradient-primary: linear-gradient(135deg, #10b981, #06b6d4)}.score-fair{--gradient-primary: linear-gradient(135deg, #f59e0b, #ef4444)}.score-poor{--gradient-primary: linear-gradient(135deg, #ef4444, #dc2626)}.grade-badge{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:var(--radius-md);font-size:1.5rem;font-weight:800;color:#fff}.grade-A{background:var(--accent-green)}.grade-B{background:var(--accent-blue)}.grade-C{background:var(--accent-orange)}.grade-D{background:var(--accent-red)}.grade-F{background:#7f1d1d}.steps-timeline{display:flex;flex-direction:column;gap:8px}.step-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:var(--radius-sm);background:var(--bg-nested);font-size:.85rem;animation:fadeInSlide .3s ease forwards}.step-item .step-number{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.75rem;flex-shrink:0}.step-done .step-number{background:var(--accent-green);color:#fff}.step-running .step-number{background:var(--accent-blue);color:#fff;animation:pulse 1.5s infinite}.step-item .step-action{font-weight:600;color:var(--text-primary)}.step-item .step-result{margin-left:auto;color:var(--text-muted);font-size:.8rem}.db-selector{display:flex;gap:8px;padding:4px;background:var(--bg-input);border-radius:var(--radius-md);border:1px solid var(--border-color)}.db-selector .db-option{flex:1;padding:10px 16px;border:none;background:transparent;color:var(--text-secondary);border-radius:var(--radius-sm);font-family:var(--font-sans);font-weight:600;font-size:.85rem;cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center;gap:8px}.db-selector .db-option.active{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-sm)}.db-selector .db-option:not(.active):hover{background:#3b82f60f;color:var(--text-primary)}.tabs{display:flex;gap:2px;border-bottom:1px solid var(--border-color);margin-bottom:20px}.tab{padding:10px 20px;background:transparent;border:none;color:var(--text-secondary);font-family:var(--font-sans);font-weight:600;font-size:.85rem;cursor:pointer;border-bottom:2px solid transparent;transition:all var(--transition-fast)}.tab:hover{color:var(--text-primary)}.tab.active{color:var(--accent-blue);border-bottom-color:var(--accent-blue)}.notice{display:flex;align-items:flex-start;gap:12px;padding:14px 18px;border-radius:var(--radius-sm);font-size:.85rem;line-height:1.5}.notice-warning{background:#f59e0b1a;border:1px solid rgba(245,158,11,.3);color:var(--accent-orange)}.notice-info{background:#3b82f61a;border:1px solid rgba(59,130,246,.3);color:var(--accent-blue)}.notice-success{background:#10b9811a;border:1px solid rgba(16,185,129,.3);color:var(--accent-green)}.notice-icon{font-size:1.2rem;flex-shrink:0;margin-top:1px}.markdown-content h1{font-size:1.5rem;font-weight:700;margin:20px 0 10px;color:var(--text-heading)}.markdown-content h2{font-size:1.25rem;font-weight:700;margin:18px 0 8px;color:var(--text-heading)}.markdown-content h3{font-size:1.1rem;font-weight:600;margin:14px 0 6px;color:var(--text-heading)}.markdown-content p{margin:8px 0;color:var(--text-primary)}.markdown-content ul,.markdown-content ol{padding-left:20px;margin:8px 0}.markdown-content li{margin:4px 0}.markdown-content code{font-family:var(--font-mono);font-size:.85em;background:#3b82f61a;padding:2px 6px;border-radius:4px;color:var(--accent-cyan)}.markdown-content pre{background:#0000004d;border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:16px;overflow-x:auto;margin:12px 0}[data-theme=light] .markdown-content pre{background:#0000000d}.markdown-content pre code{background:none;padding:0;color:var(--text-primary)}.markdown-content strong{color:var(--text-heading)}.markdown-content blockquote{border-left:3px solid var(--accent-blue);padding-left:16px;margin:12px 0;color:var(--text-secondary)}.spinner-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px;gap:16px}.spinner{width:40px;height:40px;border:3px solid var(--border-color);border-top-color:var(--accent-blue);border-radius:50%;animation:spin .8s linear infinite}.spinner-text{color:var(--text-secondary);font-size:.9rem}.copy-btn{display:inline-flex;align-items:center;gap:4px;padding:6px 10px;background:#3b82f626;border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.75rem;cursor:pointer;transition:all var(--transition-fast);font-family:var(--font-sans)}.copy-btn:hover{background:#3b82f640;color:var(--text-primary)}.copy-btn.copied{background:#10b98126;border-color:#10b9814d;color:var(--accent-green)}.issue-tag{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.issue-critical{background:#ef444426;color:var(--accent-red)}.issue-error{background:#ef44441a;color:#fb7185}.issue-warning{background:#f59e0b26;color:var(--accent-orange)}.issue-info{background:#3b82f61a;color:var(--accent-blue)}.source-tag{padding:4px 12px;background:#3b82f614;border:1px solid var(--border-color);border-radius:20px;font-size:.75rem;color:var(--text-secondary)}.mic-btn{width:44px;height:44px;border-radius:50%;border:2px solid var(--border-color);background:var(--bg-input);color:var(--text-secondary);font-size:1.2rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast);flex-shrink:0}.mic-btn:hover{border-color:var(--accent-blue);color:var(--accent-blue)}.mic-btn.listening{border-color:var(--accent-red);color:var(--accent-red);animation:micPulse 1s infinite;background:#ef44441a}@keyframes micPulse{0%,to{box-shadow:0 0 #ef44444d}50%{box-shadow:0 0 0 10px #ef444400}}.upload-zone{border:2px dashed var(--border-color);border-radius:var(--radius-lg);padding:40px;text-align:center;cursor:pointer;transition:all var(--transition-normal);background:var(--bg-nested)}.upload-zone:hover,.upload-zone.dragover{border-color:var(--accent-blue);background:#3b82f60d}.upload-zone .upload-icon{font-size:2.5rem;color:var(--text-muted);margin-bottom:12px}.upload-zone .upload-text{color:var(--text-secondary);font-size:.9rem}.upload-zone .upload-hint{color:var(--text-muted);font-size:.8rem;margin-top:4px}.upload-preview{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-color)}.upload-preview img{width:100%;max-height:400px;object-fit:contain;background:var(--bg-nested)}.upload-preview .remove-btn{position:absolute;top:8px;right:8px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--bg-modal);z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .2s ease}.modal-content{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);-webkit-backdrop-filter:blur(30px);backdrop-filter:blur(30px);max-width:900px;width:100%;max-height:90vh;overflow-y:auto;padding:32px;animation:modalSlideIn .3s ease}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.auth-card{width:100%;max-width:440px}.auth-card .auth-logo{text-align:center;margin-bottom:32px}.auth-card .auth-logo .logo-icon{width:56px;height:56px;font-size:1.3rem;margin:0 auto 12px}.auth-card .auth-title{font-size:1.5rem;font-weight:800;color:var(--text-heading);text-align:center;margin-bottom:4px}.auth-card .auth-subtitle{text-align:center;color:var(--text-secondary);font-size:.9rem;margin-bottom:24px}.auth-divider{display:flex;align-items:center;gap:16px;margin:20px 0;color:var(--text-muted);font-size:.8rem}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border-color)}.google-btn{width:100%;padding:12px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-sans);font-size:.9rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;transition:all var(--transition-fast)}.google-btn:hover{border-color:var(--border-hover);background:var(--bg-card-hover)}.auth-link{text-align:center;font-size:.85rem;color:var(--text-secondary)}.auth-link a{color:var(--accent-blue);font-weight:600}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}@keyframes fadeInSlide{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.animate-fade-in{animation:fadeIn .4s ease forwards}@media (max-width: 768px){.main-content{margin-left:0;padding:16px;max-width:100vw;overflow-x:hidden}.scores-grid{grid-template-columns:repeat(2,1fr)}.page-title{font-size:1.2rem}.page-subtitle{font-size:.8rem}.glass-card{padding:14px}.form-group{margin-bottom:12px}.history-item .flex,.history-item>div>div{flex-wrap:wrap;gap:6px}.history-item{padding:10px 12px!important}.history-item .issue-tag{font-size:.65rem}.history-item .btn-sm{padding:4px 8px;font-size:.7rem}.notice{font-size:.8rem;flex-wrap:wrap}.btn-lg{padding:10px 16px;font-size:.85rem}.btn{font-size:.8rem}.db-selector{flex-wrap:wrap}.db-option{padding:8px 12px;font-size:.8rem}.textarea{min-height:100px;font-size:.85rem}.form-grid{grid-template-columns:1fr!important}.scores-grid{grid-template-columns:1fr 1fr;gap:8px}}@media (max-width: 480px){.main-content{padding:10px}.page-title{font-size:1rem}.glass-card{padding:10px;border-radius:var(--radius-sm)}.scores-grid{grid-template-columns:1fr}.history-item>div{flex-direction:column!important;align-items:flex-start!important}.history-item>div>div:last-child{width:100%;justify-content:flex-end;margin-top:6px}.db-selector{width:100%}.db-option{flex:1;text-align:center}.btn-lg{width:100%;justify-content:center}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#64748b4d;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#64748b80}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.gap-6{gap:24px}.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.mb-4{margin-bottom:16px}.relative{position:relative}.w-full{width:100%}.text-center{text-align:center}