:root{
    --bg1:#0b1220;
    --bg2:#121a2f;
    --glass: rgba(255,255,255,.08);
    --stroke: rgba(255,255,255,.16);
    --txt: rgba(255,255,255,.92);
    --muted: rgba(255,255,255,.72);
  }
  
  *{box-sizing:border-box}
  body{
    margin:0;
    font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto;
    color:var(--txt);
    background: radial-gradient(1200px 600px at 20% 10%, #1c2a5a 0%, transparent 60%),
                radial-gradient(900px 500px at 90% 30%, #3a1457 0%, transparent 60%),
                linear-gradient(160deg, var(--bg1), var(--bg2));
    min-height:100vh;
  }
  
  .wrap{
    max-width: 860px;
    margin: 0 auto;
    padding: 16px;
  }
  
  .glass{
    background: var(--glass);
    border: 1px solid var(--stroke);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 18px;
  }
  
  .card{ padding: 14px; }
  .header{ padding: 8px 10px 14px; }
  .title{ font-size: 18px; font-weight: 700; }
  .sub{ margin-top: 6px; color: var(--muted); font-size: 13px; }
  
  .player{ padding: 10px; }
  video{
    width: 100%;
    border-radius: 14px;
    outline: none;
    background: #000;
  }
  
  .actions{
    display:flex;
    gap:10px;
    flex-wrap: wrap;
    padding: 12px 0 0;
  }
  .btn{
    padding: 10px 12px;
    color: var(--txt);
    border: 1px solid var(--stroke);
    background: rgba(255,255,255,.06);
    border-radius: 14px;
    cursor:pointer;
  }
  .btn:active{ transform: scale(.98); }
  
  .note{
    margin-top: 12px;
    padding: 10px 12px;
    color: var(--muted);
    font-size: 13px;
  }
  .err{
    margin-top: 12px;
    color: #ffb4b4;
    font-size: 14px;
  }