:root {
  --bg: #0c0d10;
  --surface: #16181d;
  --fg: #eaeaef;
  --muted: #8b8f9a;
  --accent: #c9a86a;
  --danger: #e06c75;
  --border: #24272e;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Inter", system-ui, sans-serif;
  background: var(--bg); color: var(--fg);
}
h2 { font-size: 18px; margin: 0 0 12px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button {
  background: var(--accent); color: #111; border: 0; padding: 8px 14px;
  border-radius: 6px; cursor: pointer; font-weight: 600;
}
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.danger { background: var(--danger); color: #fff; }
input {
  background: var(--surface); color: var(--fg); border: 1px solid var(--border);
  padding: 8px 10px; border-radius: 6px; width: 100%;
}
label { display: grid; gap: 4px; margin-bottom: 8px; }
progress { width: 100%; margin-top: 8px; }
.muted { color: var(--muted); }
.error { color: var(--danger); margin-top: 8px; }

/* Auth view */
.auth-header { padding: 32px 16px; text-align: center; }
.auth-header img { height: 28px; }
.auth-form { max-width: 360px; margin: 0 auto; padding: 16px; display: grid; gap: 8px; }

/* App view */
.app-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; border-bottom: 1px solid var(--border);
}
.user-menu { display: flex; gap: 12px; align-items: center; }
.upload { padding: 16px 20px; border-bottom: 1px solid var(--border); }
.upload .row { display: flex; gap: 12px; flex-wrap: wrap; }
.upload .row label { flex: 1 1 200px; }
.library { padding: 16px 20px 120px; }
#track-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.track {
  display: grid; grid-template-columns: 64px 1fr auto auto; gap: 12px;
  align-items: center; padding: 8px; background: var(--surface); border-radius: 8px;
}
.track img { width: 64px; height: 64px; border-radius: 6px; object-fit: cover; background: var(--border); }
.track .meta .title { font-weight: 600; }
.track .meta .artist { color: var(--muted); font-size: 13px; }
.track .dur { color: var(--muted); font-variant-numeric: tabular-nums; }
.track .actions { display: flex; gap: 6px; }

/* Now playing */
.now-playing {
  position: fixed; left: 0; right: 0; bottom: 0;
  display: grid; grid-template-columns: 56px 1fr 1fr; gap: 12px; align-items: center;
  padding: 10px 16px; background: #0a0b0e; border-top: 1px solid var(--border);
}
.now-playing img { width: 56px; height: 56px; border-radius: 4px; object-fit: cover; }
.now-playing audio { width: 100%; }

@media (min-width: 720px) {
  #track-list { grid-template-columns: 1fr 1fr; }
}