:root{
  --bg:#0b0d10; --card:#12151a; --text:#e8ecf1; --muted:#9aa4af;
  --accent:#ff2d83; --accent-2:#8a63ff; --ok:#23d18b; --err:#ff4757; --bar:#1f2530;
}
html,body{height:100%}
body{margin:0;background:linear-gradient(180deg,#0b0d10, #0e1116 40%, #0b0d10);
     color:var(--text); font:16px/1.5 Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif}
.container{max-width:860px;margin:0 auto;padding:24px}
header h1{margin:8px 0 4px 0;font-size:32px;letter-spacing:0.5px}
.subtitle{color:var(--muted);margin:0 0 8px 0}
.card{background:var(--card);border:1px solid #1b1f27;border-radius:16px;padding:20px;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.input-row{display:flex;gap:12px}
.input-row input{flex:1;padding:14px 16px;border-radius:12px;border:1px solid #1d2330;background:#0f131a;color:var(--text);outline:none}
.btn{padding:14px 18px;border-radius:12px;border:1px solid #2a2f3a;background:linear-gradient(90deg,var(--accent),var(--accent-2));color:white;font-weight:600;cursor:pointer}
.btn[disabled]{opacity:.6;cursor:not-allowed}
.preview{display:flex;gap:16px;margin-top:16px}
.preview img{width:200px;height:112px;object-fit:cover;border-radius:12px;border:1px solid #202635;background:#0f131a}
.preview .meta{flex:1;display:flex;flex-direction:column;gap:10px}
.preview .title{font-weight:600}
.bar{height:10px;background:var(--bar);border-radius:999px;overflow:hidden;border:1px solid #232a36}
.bar-inner{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.stage{color:var(--muted);font-size:14px}
.note{margin-top:14px;color:var(--muted);font-size:13px}
.footer{display:flex;justify-content:space-between;align-items:center;color:var(--muted)}
.footer .bmc{color:#fff;text-decoration:none;padding:10px 12px;border-radius:999px;border:1px solid #2a2f3a;background:#0f131a}
@media(max-width:720px){
  .preview{flex-direction:column}
  .preview img{width:100%;height:auto}
}
.hidden { display: none !important; }.container { max-width: 640px; }
.preview  { display: flex; gap: 12px; }
.preview img { max-width: 160px; }
.meta { max-width: 420px; }
.title { font-size: 0.95rem; line-height: 1.25; }
.stage { font-size: 0.85rem; }