:root {
  --bg: #0b0b10;
  --panel: #14141c;
  --panel-2: #1c1c27;
  --ink: #f2f2f7;
  --muted: #9a9ab0;
  --accent: #1ed760;
  --accent-d: #17b84f;
  --danger: #ff4d6d;
  --line: #262635;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg); color: var(--ink);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  overflow: hidden;
}
button, input { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); margin: 0.2em 0; }
h2 { font-size: 1.15rem; margin: 1.6em 0 0.6em; }
.muted { color: var(--muted); }
.err { color: var(--danger); }

.shell { display: grid; grid-template-columns: 220px 1fr; height: calc(100% - 92px); }
.side {
  background: #000; padding: 20px 14px; overflow-y: auto;
  border-right: 1px solid var(--line);
}
.brand { font-size: 1.5rem; font-weight: 900; padding: 4px 10px 18px; }
.brand span { color: var(--accent); }
.nav { display: grid; gap: 2px; }
.nav a {
  padding: 10px; border-radius: 8px; color: var(--muted); font-weight: 600;
}
.nav a:hover { color: var(--ink); background: var(--panel); }
.nav a.on { color: var(--ink); background: var(--panel-2); }
.nav.small a { font-size: 0.92rem; font-weight: 500; }
.label { color: var(--muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; margin: 22px 10px 8px; }

.main {
  overflow-y: auto; padding: 28px 32px;
  background: linear-gradient(180deg, #1d1d2b 0%, var(--bg) 320px);
}

.hero { display: flex; gap: 22px; align-items: flex-end; margin-bottom: 18px; }
.hero small { color: var(--muted); text-transform: uppercase; letter-spacing: 0.12em; font-weight: 700; }

.btn {
  cursor: pointer; border: 0; border-radius: 999px; padding: 10px 20px; font-weight: 800;
  background: var(--panel-2); color: var(--ink);
}
.btn.primary { background: var(--accent); color: #05140b; margin-bottom: 14px; }
.btn.primary:hover { background: var(--accent-d); }
.btn.danger { background: transparent; border: 1px solid var(--danger); color: var(--danger); }
.btn.small { padding: 6px 14px; font-size: 0.9rem; background: var(--panel-2); }
.btn:disabled { opacity: 0.4; cursor: default; }
.ghost { background: none; border: 0; cursor: pointer; color: var(--muted); padding: 6px; font-size: 1rem; }
.ghost:hover { color: var(--ink); }

input[type="search"], input[type="text"], #plName {
  width: 100%; max-width: 480px; padding: 12px 16px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--panel); color: var(--ink);
}
.search { margin: 12px 0 8px; }
.inline { display: flex; gap: 10px; flex-wrap: wrap; margin: 12px 0; }
.inline .btn { padding: 10px 18px; }

.list { list-style: none; padding: 0; margin: 0; }
.row {
  display: grid; grid-template-columns: 28px 48px 1fr auto auto auto auto;
  gap: 14px; align-items: center; padding: 8px 10px; border-radius: 8px; cursor: pointer;
}
.row:hover { background: var(--panel); }
.row.current .meta strong { color: var(--accent); }
.row .idx { color: var(--muted); text-align: center; font-variant-numeric: tabular-nums; }
.row.current .idx { color: var(--accent); }
.row .meta { display: grid; min-width: 0; }
.row .meta strong { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight: 700; }
.row .meta small { color: var(--muted); }
.row .plays, .row .dur { color: var(--muted); font-size: 0.9rem; font-variant-numeric: tabular-nums; }
.row .plays { white-space: nowrap; }
.row .ghost { font-size: 0.85rem; }
.empty { color: var(--muted); padding: 16px 10px; }
.row:has(.btn.small) { grid-template-columns: 48px 1fr auto; }
.row:has(.btn.small) > .meta { grid-column: 2; }

.cover { border-radius: 6px; display: inline-block; flex: none; }
.cover.pl { display: grid; place-items: center; background: var(--panel-2); color: var(--accent); font-size: 1.4rem; }
.hero .cover { border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,.5); }
.hero .cover.pl { width: 120px; height: 120px; }

.like { background: none; border: 0; cursor: pointer; color: var(--muted); font-size: 1.2rem; padding: 4px; }
.like.on { color: var(--accent); }
.like:disabled { opacity: 0.3; cursor: default; }

.player {
  position: fixed; left: 0; right: 0; bottom: 0; height: 92px;
  display: grid; grid-template-columns: 1fr 2fr 1fr; align-items: center; gap: 16px;
  padding: 0 18px; background: var(--panel); border-top: 1px solid var(--line);
}
.now { display: flex; align-items: center; gap: 12px; min-width: 0; }
.now-text { display: grid; min-width: 0; }
.now-text strong { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.now-text small { color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.center { display: grid; gap: 6px; justify-items: center; }
.controls { display: flex; align-items: center; gap: 14px; }
.controls .ghost { font-size: 1.2rem; }
.play {
  width: 44px; height: 44px; border-radius: 50%; border: 0; cursor: pointer;
  background: #fff; color: #000; font-size: 1.1rem;
}
.progress { display: flex; align-items: center; gap: 10px; width: 100%; max-width: 560px; color: var(--muted); font-size: 0.8rem; font-variant-numeric: tabular-nums; }
.progress input { flex: 1; }
.volume { display: flex; align-items: center; gap: 8px; justify-content: flex-end; }
.volume input { width: 120px; }
input[type="range"] { accent-color: var(--accent); }

@media (max-width: 760px) {
  body { overflow: auto; }
  .shell { grid-template-columns: 1fr; height: auto; }
  .side { display: none; }
  .main { padding: 18px 14px; overflow: visible; }
  .player { grid-template-columns: 1fr; height: auto; min-height: 92px; padding: 10px 14px; position: sticky; bottom: 0; gap: 8px; }
  .volume { display: none; }
  .row { grid-template-columns: 22px 40px 1fr auto; }
  .row .plays { display: none; }
  .main { padding-bottom: 130px; }
  .shell { height: auto; }
  body { overflow-x: hidden; }
  .player { position: fixed; min-height: 0; }
}

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }