:root{--bg: #0a0a0f;--bg-elevated: #12121a;--fg: #e8e8ed;--fg-muted: #888899;--accent: #00d4aa;--accent-hover: #00e8bb;--accent-bg: rgba(0, 212, 170, .1);--border: #2a2a3a;--card-bg: #16161f;--error: #ff6b6b;--success: #00d4aa;--warning: #ffd93d;--radius: 12px;--radius-sm: 8px;--shadow: 0 8px 32px rgba(0, 0, 0, .4);--transition: .2s ease}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg);color:var(--fg);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:720px;margin:0 auto;padding:2rem 1rem}header{text-align:center;margin-bottom:3rem}.logo{font-size:2.5rem;font-weight:800;background:linear-gradient(135deg,var(--accent),#00b8d4);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:.5rem}.tagline{color:var(--fg-muted);font-size:1.1rem}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow)}.form-group{margin-bottom:1rem}label{display:block;margin-bottom:.5rem;font-weight:500}input[type=url]{width:100%;padding:.875rem 1rem;border:2px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--fg);font-size:1rem;transition:border-color var(--transition)}input[type=url]:focus{outline:none;border-color:var(--accent)}input[type=url]::placeholder{color:var(--fg-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.875rem 1.5rem;border:none;border-radius:var(--radius-sm);font-size:1rem;font-weight:600;cursor:pointer;transition:all var(--transition)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--accent);color:var(--bg)}.btn-primary:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-1px)}.btn-secondary{background:var(--bg-elevated);color:var(--fg);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--border)}.status{padding:1rem;border-radius:var(--radius-sm);margin:1rem 0;display:flex;align-items:center;gap:.75rem}.status.pending{background:#ffd93d1a;border:1px solid var(--warning);color:var(--warning)}.status.fetching{background:#00b8d41a;border:1px solid #00b8d4;color:#00b8d4}.status.extracting{background:#8a2be21a;border:1px solid #8a2be2;color:#8a2be2}.status.storing{background:#ffa5001a;border:1px solid #ffa500;color:orange}.status.completed{background:#00d4aa1a;border:1px solid var(--success);color:var(--success)}.status.failed{background:#ff6b6b1a;border:1px solid var(--error);color:var(--error)}.spinner{width:20px;height:20px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.result{margin-top:1.5rem}.result-header{display:flex;align-items:flex-start;gap:1rem;margin-bottom:1rem}.result-thumb{width:120px;height:120px;border-radius:var(--radius-sm);object-fit:cover;background:var(--bg);flex-shrink:0}.result-info{flex:1;min-width:0}.result-title{font-size:1.25rem;font-weight:700;margin-bottom:.5rem;word-break:break-word}.result-meta{display:flex;flex-wrap:wrap;gap:.75rem;font-size:.875rem;color:var(--fg-muted)}.result-meta span{display:flex;align-items:center;gap:.25rem}.result-desc{margin-top:.75rem;color:var(--fg-muted);line-height:1.7}.media-preview{margin-top:1rem;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg)}.media-preview video,.media-preview audio,.media-preview img{width:100%;display:block;max-height:500px;object-fit:contain}.candidates{margin-top:1rem}.candidates-title{font-weight:600;margin-bottom:.75rem}.candidate-list{display:flex;flex-direction:column;gap:.5rem}.candidate-item{display:flex;align-items:center;gap:.75rem;padding:.75rem;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.875rem}.candidate-type{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:6px;font-size:.75rem;font-weight:700;text-transform:uppercase}.candidate-type.video{background:#00b8d433;color:#00b8d4}.candidate-type.audio{background:#8a2be233;color:#8a2be2}.candidate-type.image{background:#00d4aa33;color:var(--success)}.candidate-type.unknown{background:var(--border);color:var(--fg-muted)}.candidate-url{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--fg-muted)}.candidate-size{color:var(--fg-muted);font-size:.8rem}.actions{display:flex;gap:.75rem;margin-top:1rem;flex-wrap:wrap}.error-box{padding:1rem;background:#ff6b6b1a;border:1px solid var(--error);border-radius:var(--radius-sm);color:var(--error)}.footer{margin-top:3rem;text-align:center;color:var(--fg-muted);font-size:.875rem}.footer a{margin:0 .5rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (max-width: 600px){.logo{font-size:2rem}.result-header{flex-direction:column}.result-thumb{width:100%;height:200px}.actions{flex-direction:column}.actions .btn{width:100%}}