:root{color-scheme:dark;--bg: #0d0d12;--card: #17171f;--border: #2a2a38;--accent: #8b5cf6;--accent2: #ec4899;--text: #e8e8ee;--muted: #9a9aab}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,Segoe UI,Roboto,sans-serif}.app{max-width:680px;margin:0 auto;padding:32px 16px 80px}header{text-align:center;margin-bottom:24px}header h1{font-size:2.2rem;margin:0}header h1 span{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}header p{color:var(--muted);margin:4px 0 0}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px 20px;margin-bottom:16px}.card h2{font-size:1.05rem;margin:0 0 10px}.hint{color:var(--muted);font-size:.85rem;margin:0 0 10px}.filename{font-size:.9rem;color:var(--muted)}.ok{color:#4ade80;font-size:.9rem;margin:6px 0 0}.error{background:#3f1d2b;border:1px solid #b91c1c;color:#fca5a5;padding:10px 14px;border-radius:10px;margin-bottom:16px}input[type=file]{width:100%;padding:8px 0;color:var(--muted)}textarea{width:100%;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:10px;font-size:.95rem;resize:vertical}.analysis{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}.analysis span{background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:4px 12px;font-size:.8rem;color:var(--muted)}.thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}.thumbs img{width:90px;height:90px;object-fit:cover;border-radius:10px;border:1px solid var(--border)}.generate{width:100%;padding:14px;font-size:1.05rem;font-weight:600;color:#fff;border:none;border-radius:12px;cursor:pointer;background:linear-gradient(90deg,var(--accent),var(--accent2));margin-bottom:16px}.generate:disabled{opacity:.4;cursor:not-allowed}.progress{height:8px;background:var(--bg);border-radius:999px;overflow:hidden;margin-top:10px}.progress .bar{height:100%;border-radius:999px;transition:width .6s ease;background:linear-gradient(90deg,var(--accent),var(--accent2))}.timeline{list-style:none;padding:0;margin:0 0 12px}.timeline li{padding:6px 0 6px 26px;position:relative;color:var(--muted);font-size:.95rem}.timeline li:before{content:"";position:absolute;left:6px;top:50%;transform:translateY(-50%);width:10px;height:10px;border-radius:50%;background:var(--border)}.timeline li.past{color:var(--text)}.timeline li.past:before{background:#4ade80}.timeline li.active{color:var(--accent);font-weight:600}.timeline li.active:before{background:var(--accent);animation:pulse 1.2s infinite}@keyframes pulse{50%{box-shadow:0 0 0 5px #8b5cf640}}.detail{color:var(--muted);font-size:.85rem;margin:8px 0 0}video{width:100%;border-radius:10px;background:#000}.download{display:inline-block;margin-top:10px;color:var(--accent);text-decoration:none;font-weight:600}