:root{--bg: #0b0b0f;--card: rgba(255,255,255,.06);--card2: rgba(255,255,255,.08);--text: rgba(255,255,255,.92);--muted: rgba(255,255,255,.65);--faint: rgba(255,255,255,.45);--border: rgba(255,255,255,.12);--accent: #9b5cff;--danger: #ff4d6d;--radius: 18px}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";background:radial-gradient(1200px 600px at 50% -10%,rgba(155,92,255,.35),transparent 55%),radial-gradient(900px 500px at 20% 110%,rgba(255,77,109,.18),transparent 60%),var(--bg);color:var(--text)}.wrap{max-width:520px;margin:0 auto;padding:18px;display:grid;gap:14px}.header{padding:10px 6px}.title{font-size:20px;font-weight:700;letter-spacing:.3px}.sub{margin-top:4px;color:var(--muted);font-size:12px}.card{background:linear-gradient(180deg,var(--card),rgba(255,255,255,.03));border:1px solid var(--border);border-radius:var(--radius);padding:14px;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.row{display:flex;align-items:center;justify-content:space-between;gap:10px}.label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.12em}.now{margin-top:10px}.track{font-size:18px;font-weight:700;line-height:1.2}.meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px;color:var(--muted);font-size:13px}.dot{color:var(--faint)}.controls{display:grid;grid-template-columns:1fr 1.3fr 1fr;gap:10px;margin-top:14px}.btn{border:1px solid var(--border);background:#ffffff0d;color:var(--text);padding:10px 12px;border-radius:14px;font-weight:650;cursor:pointer}.btn:disabled{opacity:.55;cursor:not-allowed}.btn.primary{background:linear-gradient(135deg,#9b5cffd9,#ff4d6d73);border-color:#9b5cff73}.btn.ghost{background:transparent}.pill{background:#ffffff0f;border:1px solid var(--border);padding:6px 10px;border-radius:999px;font-size:12px;color:var(--muted)}.slider{width:100%;margin-top:10px}.foot{margin-top:12px}.badge{color:var(--muted);font-size:12px;padding:6px 10px;border-radius:999px;border:1px solid var(--border);background:#ffffff0a}.input{width:100%;margin-top:12px;padding:12px;border-radius:14px;border:1px solid var(--border);background:#0003;color:var(--text)}.pre{margin-top:10px;padding:12px;border-radius:14px;border:1px solid var(--border);background:#00000040;color:#ffffffd9;overflow:auto;max-height:220px}.error{margin-top:12px;padding:10px 12px;border-radius:14px;border:1px solid rgba(255,77,109,.35);background:#ff4d6d1a;color:#ffffffe6}.footer{padding:6px;color:var(--faint);font-size:12px}.tiny{opacity:.9}