:root{--bg-primary: #0a0e1a;--bg-secondary: #111827;--bg-card: rgba(17, 24, 39, .8);--bg-glass: rgba(30, 41, 59, .6);--bg-hover: rgba(59, 130, 246, .1);--accent-primary: #3b82f6;--accent-glow: #60a5fa;--accent-secondary: #8b5cf6;--accent-success: #10b981;--accent-warning: #f59e0b;--accent-danger: #ef4444;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--border-color: rgba(59, 130, 246, .2);--border-subtle: rgba(148, 163, 184, .1);--gradient-primary: linear-gradient(135deg, #3b82f6, #8b5cf6);--gradient-card: linear-gradient(145deg, rgba(30, 41, 59, .5), rgba(17, 24, 39, .8));--gradient-glow: radial-gradient(ellipse at top, rgba(59, 130, 246, .15), transparent 60%);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(59, 130, 246, .3);--font-body: "Inter", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .4s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body:before{content:"";position:fixed;top:0;left:0;right:0;height:600px;background:var(--gradient-glow);pointer-events:none;z-index:0}#root{position:relative;z-index:1;min-height:100vh}a{color:var(--accent-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent-glow)}.app-container{max-width:1440px;margin:0 auto;padding:0 24px}.page-header{padding:24px 0;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border-subtle);margin-bottom:32px}.page-title{font-size:1.75rem;font-weight:700;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.navbar{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:16px 32px;background:#0a0e1ad9;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-subtle)}.navbar-brand{display:flex;align-items:center;gap:12px;font-size:1.25rem;font-weight:700;color:var(--text-primary)}.navbar-brand svg{width:28px;height:28px}.navbar-brand span{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.navbar-actions{display:flex;align-items:center;gap:16px}.navbar-user{display:flex;align-items:center;gap:10px;color:var(--text-secondary);font-size:.875rem}.navbar-avatar{width:32px;height:32px;border-radius:50%;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.8rem;color:#fff}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius-md);font-family:var(--font-body);font-size:.875rem;font-weight:500;cursor:pointer;border:none;transition:all var(--transition-fast);white-space:nowrap}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-sm),0 0 #3b82f600}.btn-primary:hover{box-shadow:var(--shadow-md),var(--shadow-glow);transform:translateY(-1px)}.btn-secondary{background:var(--bg-glass);color:var(--text-primary);border:1px solid var(--border-color);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.btn-secondary:hover{background:var(--bg-hover);border-color:var(--accent-primary)}.btn-danger{background:#ef444426;color:var(--accent-danger);border:1px solid rgba(239,68,68,.3)}.btn-danger:hover{background:#ef444440}.btn-ghost{background:transparent;color:var(--text-secondary);padding:8px 12px}.btn-ghost:hover{color:var(--text-primary);background:var(--bg-hover)}.btn-icon{padding:8px;border-radius:var(--radius-sm)}.btn-lg{padding:14px 28px;font-size:1rem;border-radius:var(--radius-lg)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.card{background:var(--gradient-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:all var(--transition-normal)}.card:hover{border-color:var(--border-color);box-shadow:var(--shadow-md)}.card-body{padding:24px}.session-table{width:100%;border-collapse:collapse}.session-table th{text-align:left;padding:12px 16px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);border-bottom:1px solid var(--border-subtle)}.session-table td{padding:16px;border-bottom:1px solid var(--border-subtle);font-size:.875rem;color:var(--text-secondary)}.session-table tr:hover td{background:var(--bg-hover)}.session-table .session-title{color:var(--text-primary);font-weight:500}.session-actions{display:flex;gap:8px}.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px}.login-card{width:100%;max-width:440px;text-align:center}.login-card .card-body{padding:48px 40px}.login-logo{width:72px;height:72px;margin:0 auto 24px;background:var(--gradient-primary);border-radius:var(--radius-xl);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-glow)}.login-logo svg{width:36px;height:36px;color:#fff}.login-title{font-size:1.75rem;font-weight:700;margin-bottom:8px}.login-subtitle{color:var(--text-secondary);font-size:.95rem;margin-bottom:32px;line-height:1.6}.btn-google{width:100%;padding:14px 24px;background:#fff;color:#1f2937;font-weight:600;font-size:.95rem;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;gap:12px;transition:all var(--transition-fast);cursor:pointer;border:none}.btn-google:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-google img{width:20px;height:20px}.upload-zone{border:2px dashed var(--border-color);border-radius:var(--radius-lg);padding:48px;text-align:center;cursor:pointer;transition:all var(--transition-normal);background:var(--bg-glass)}.upload-zone:hover,.upload-zone.drag-over{border-color:var(--accent-primary);background:var(--bg-hover);box-shadow:var(--shadow-glow)}.upload-zone svg{width:48px;height:48px;color:var(--accent-primary);margin-bottom:16px}.upload-zone h3{font-size:1.1rem;margin-bottom:8px}.upload-zone p{color:var(--text-muted);font-size:.875rem}.workspace-container{display:flex;flex-direction:column;gap:16px;padding-bottom:32px}.workspace-toolbar{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--bg-glass);border-radius:var(--radius-md);border:1px solid var(--border-subtle);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.toolbar-group{display:flex;align-items:center;gap:12px}.toolbar-divider{width:1px;height:24px;background:var(--border-subtle)}.macro-bar{background:var(--gradient-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden;transition:border-color var(--transition-normal)}.macro-bar:hover{border-color:var(--border-color)}.macro-bar-header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:#1e293b4d;border-bottom:1px solid var(--border-subtle)}.macro-bar-title{font-size:.85rem;font-weight:600;color:var(--text-primary);font-family:var(--font-mono)}.macro-bar-meta{font-size:.75rem;color:var(--text-muted)}.can-track{height:120px;background:var(--bg-secondary);position:relative;border-bottom:1px solid var(--border-subtle)}.can-track-label{position:absolute;top:8px;left:12px;font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);z-index:2}.can-track canvas{width:100%;height:100%}.annotations-track{height:100px;background:#0f172a80;position:relative;cursor:crosshair;border:1px dashed rgba(139,92,246,.3);margin:4px 0;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.annotations-track:hover{background:#0f172ab3;border-color:#8b5cf699}.annotations-track:after{content:"Click & Drag to add annotations";position:absolute;bottom:8px;right:12px;font-size:.6rem;color:var(--text-muted);pointer-events:none;opacity:.5}.annotations-track-label{position:absolute;top:8px;left:12px;font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);z-index:2}.annotation-block{position:absolute;top:28px;height:40px;background:#8b5cf640;border:1px solid rgba(139,92,246,.5);border-radius:var(--radius-sm);display:flex;align-items:center;padding:0 8px;font-size:.7rem;color:var(--accent-secondary);font-weight:500;cursor:grab;-webkit-user-select:none;user-select:none;transition:background var(--transition-fast)}.annotation-block:hover{background:#8b5cf659}.annotation-block .resize-handle{position:absolute;top:0;width:6px;height:100%;cursor:col-resize}.annotation-block .resize-handle-left{left:0;border-radius:var(--radius-sm) 0 0 var(--radius-sm)}.annotation-block .resize-handle-right{right:0;border-radius:0 var(--radius-sm) var(--radius-sm) 0}.time-axis{height:32px;background:var(--bg-secondary);border-top:1px solid var(--border-subtle);position:relative;display:flex;align-items:center;padding:0 12px;overflow:hidden}.time-axis-tick{position:absolute;font-size:.6rem;color:var(--text-muted);font-family:var(--font-mono);transform:translate(-50%)}.time-axis-tick:before{content:"";position:absolute;top:-8px;left:50%;width:1px;height:6px;background:var(--border-color)}.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:100px;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.badge-success{background:#10b98126;color:var(--accent-success);border:1px solid rgba(16,185,129,.3)}.badge-warning{background:#f59e0b26;color:var(--accent-warning);border:1px solid rgba(245,158,11,.3)}.badge-info{background:#3b82f626;color:var(--accent-primary);border:1px solid rgba(59,130,246,.3)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease-out}.modal{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);width:90%;max-width:560px;max-height:85vh;overflow-y:auto;animation:slideUp .3s cubic-bezier(.16,1,.3,1)}.modal-header{padding:24px 24px 0;display:flex;align-items:center;justify-content:space-between}.modal-header h2{font-size:1.25rem;font-weight:600}.modal-body{padding:24px}.modal-footer{padding:0 24px 24px;display:flex;justify-content:flex-end;gap:12px}.form-group{margin-bottom:20px}.form-label{display:block;font-size:.8rem;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-input{width:100%;padding:10px 14px;background:var(--bg-primary);color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);font-family:var(--font-body);font-size:.875rem;transition:border-color var(--transition-fast)}.form-input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #3b82f626}.dbc-result{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:20px;margin-top:16px}.dbc-result pre{font-family:var(--font-mono);font-size:.8rem;color:var(--accent-success);line-height:1.8;overflow-x:auto;white-space:pre-wrap}.spinner{width:20px;height:20px;border:2px solid var(--border-color);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .6s linear infinite}.loading-overlay{display:flex;align-items:center;justify-content:center;gap:12px;padding:48px;color:var(--text-secondary)}.empty-state{text-align:center;padding:80px 24px;color:var(--text-muted)}.empty-state svg{width:64px;height:64px;margin-bottom:16px;opacity:.4}.empty-state h3{font-size:1.25rem;color:var(--text-secondary);margin-bottom:8px}.empty-state p{font-size:.9rem;max-width:400px;margin:0 auto 24px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@media (max-width: 768px){.navbar{padding:12px 16px}.page-header{flex-direction:column;align-items:flex-start;gap:16px}.workspace-toolbar{flex-direction:column;gap:12px}.session-table{font-size:.8rem}.session-table th:nth-child(3),.session-table td:nth-child(3){display:none}}