:root {
  --bg: #f2f2f2;
  --fg: #0a0a0a;
  --mute: rgba(10, 10, 10, 0.5);
  --line: rgba(10, 10, 10, 0.16);
  --hover: rgba(10, 10, 10, 0.06);
  --glass: rgba(250, 250, 250, 0.72);
  --glass-line: rgba(10, 10, 10, 0.08);
  --glass-shadow: 0 12px 40px -12px rgba(0, 0, 0, 0.22), 0 2px 6px rgba(0, 0, 0, 0.04);
  --glow-blend: multiply;
  color-scheme: light;
  --gutter: clamp(16px, 3vw, 40px);
  /* room for a phone's notch / status bar and home bar (0 everywhere else) */
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
}
:root[data-theme="dark"] {
  --bg: #0d0d0e;
  --fg: #f2f2f2;
  --mute: rgba(242, 242, 242, 0.5);
  --line: rgba(242, 242, 242, 0.16);
  --hover: rgba(242, 242, 242, 0.08);
  --glass: rgba(24, 24, 26, 0.72);
  --glass-line: rgba(242, 242, 242, 0.1);
  --glass-shadow: 0 12px 40px -12px rgba(0, 0, 0, 0.7), 0 2px 6px rgba(0, 0, 0, 0.3);
  --glow-blend: screen;
  color-scheme: dark;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter Tight', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* layers, back to front: colour glow → big title & credits → 3D records → controls */
#glow { z-index: 0; }
#meta, #browse-ui { z-index: 1; }
#gl { position: fixed; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; z-index: 2; }
.top, #player { z-index: 3; }
#glow {
  position: fixed; inset: -25%;
  pointer-events: none;
  color: #333;
  background: radial-gradient(closest-side, currentColor, transparent 70%);
  mix-blend-mode: var(--glow-blend);
  opacity: 0.1;
}

@media (prefers-reduced-motion: reduce) {
  .mini-disc { animation: none; }
}

.top {
  position: fixed; top: 0; left: 0; right: 0;
  display: flex; justify-content: space-between;
  padding: var(--gutter);
  padding-top: calc(var(--gutter) + var(--safe-t));
  font-size: 13px; letter-spacing: 0.08em;
  pointer-events: none; z-index: 5;
}
.logo { font-weight: 600; }
.top-right { display: flex; align-items: center; gap: 18px; }
#sp-btn {
  pointer-events: auto;
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12px; letter-spacing: 0.04em; color: var(--mute);
  padding: 5px 11px 5px 8px; border-radius: 999px; border: 1px solid var(--line);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
#sp-btn[hidden] { display: none; }
#sp-btn svg { width: 16px; height: 16px; color: #1db954; }
#sp-btn:hover { color: var(--fg); border-color: var(--fg); }
#sp-btn.on { color: var(--fg); }
/* where the song is coming from, under the player controls */
.source { margin-top: 14px; font-size: 12px; color: var(--mute); line-height: 1.5; }
.source a, .source button {
  color: var(--fg); text-decoration: underline; text-underline-offset: 3px; font-size: inherit;
}
/* Spotify's compact embed: only shown while it is the one playing */
.sp-embed-wrap { margin-top: 12px; border-radius: 12px; overflow: hidden; height: 80px; display: none; }
.sp-embed-wrap iframe { display: block; border: 0; }
body[data-source="preview"] .sp-embed-wrap { display: block; }
body[data-source="preview"] .vol-range { display: none; }
@media (max-width: 760px) {
  #sp-btn span { display: none; }
  #sp-btn { padding: 6px; }
}
#count { color: var(--mute); font-variant-numeric: tabular-nums; }

/* ---------- credits block, top left ---------- */
#meta {
  position: fixed; top: calc(var(--gutter) + 30px + var(--safe-t)); left: var(--gutter);
  width: min(320px, calc(100vw - 2 * var(--gutter)));
  pointer-events: none; /* sits behind the records, see the layer order above */
}
#meta .row {
  display: grid; grid-template-columns: 90px 1fr; gap: 12px;
  padding: 7px 0 8px; border-top: 1px solid var(--fg);
}
#meta .row:first-child { border-top-width: 1px; }
#meta dt {
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  padding-top: 3px;
}
#meta dd {
  text-align: right; font-size: 15px; line-height: 1.3; letter-spacing: -0.01em;
  overflow-wrap: anywhere;
}
#m-feat span { display: block; }

.mask { overflow: hidden; }
.mask > * { display: block; will-change: transform; }

/* ---------- browse ---------- */
#browse-ui {
  position: fixed; left: 0; right: 0; bottom: 0;
  padding: var(--gutter);
  display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 16px;
  pointer-events: none;
}
.label { min-width: 0; }
.label h1 {
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  font-size: clamp(32px, min(6vw, 10vh), 92px);
  font-weight: 600; line-height: 0.95; letter-spacing: -0.04em;
  text-transform: uppercase;
}
.label p { margin-top: 10px; color: var(--mute); font-size: 15px; }
.hint { color: var(--mute); font-size: 13px; letter-spacing: 0.04em; }
#b-feat { display: none; }
.rail { grid-column: 1 / -1; height: 1px; background: var(--line); position: relative; }
.rail i { position: absolute; top: 0; left: 0; height: 1px; width: 12.5%; background: var(--fg); }

/* ---------- player ---------- */
#player {
  position: fixed; inset: 0;
  display: grid; grid-template-columns: 1fr 1fr; align-items: center;
  padding: var(--gutter);
  visibility: hidden; pointer-events: none;
}
#player.on { pointer-events: auto; }
/* the column never grows past the screen: the track list takes what is left and
   scrolls, so the time bar and controls always stay in view */
#player .info {
  grid-column: 2; max-width: 520px; width: 100%;
  display: flex; flex-direction: column;
  max-height: calc(100dvh - 2 * var(--gutter) - 64px);
}
#player .info > * { flex: none; }
#player .info > #p-tracks { flex: 1 1 auto; min-height: 96px; }
#back { position: absolute; top: calc(var(--gutter) + 28px + var(--safe-t)); left: var(--gutter); }
.btn { font-size: 13px; letter-spacing: 0.06em; padding: 8px 0; opacity: 0.8; transition: opacity 0.2s; }
.btn:hover { opacity: 1; }
.eyebrow { color: var(--mute); font-size: 14px; letter-spacing: 0.08em; text-transform: uppercase; }
#p-title {
  font-size: clamp(44px, 6.5vw, 112px);
  font-weight: 600; line-height: 0.92; letter-spacing: -0.045em;
  text-transform: uppercase; margin: 10px 0 14px;
}
.meta { color: var(--mute); font-size: 14px; }
#p-tracks {
  list-style: none; margin: 30px 0 28px; border-top: 1px solid var(--line);
  overflow-y: auto; padding-right: 14px;
  scrollbar-width: thin; scrollbar-color: var(--line) transparent;
}
#p-tracks::-webkit-scrollbar { width: 3px; }
#p-tracks::-webkit-scrollbar-thumb { background: var(--mute); border-radius: 3px; }
#p-tracks::-webkit-scrollbar-button { display: none; height: 0; }
#p-tracks li { border-bottom: 1px solid var(--line); }
#p-tracks button {
  display: grid; grid-template-columns: 34px 1fr auto; gap: 8px; align-items: baseline;
  width: 100%; padding: 11px 0; text-align: left;
  font-size: 15px; color: var(--mute); transition: color 0.2s;
}
#p-tracks button:hover { color: var(--fg); }
#p-tracks em, #p-tracks i { font-style: normal; font-size: 12px; font-variant-numeric: tabular-nums; }
#p-tracks b { font-weight: 400; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#p-tracks li.now button { color: var(--fg); }
#p-tracks li.now i::before { content: '● '; }
.controls { display: flex; align-items: center; gap: 12px; }
.time { font-size: 12px; color: var(--mute); font-variant-numeric: tabular-nums; min-width: 34px; }
#p-dur { text-align: right; }

/* scrubber: a thin line with a big invisible hit area */
.seek { flex: 1; padding: 10px 0; cursor: pointer; touch-action: none; outline: none; }
.bar { height: 2px; background: var(--line); position: relative; border-radius: 2px; }
.bar i { position: absolute; left: 0; top: 0; height: 100%; width: 0; background: var(--fg); border-radius: 2px; }
.bar b {
  position: absolute; top: 50%; left: 0; width: 12px; height: 12px; margin: -6px 0 0 -6px;
  border-radius: 50%; background: var(--fg); transform: scale(0); transition: transform 0.15s;
}
.seek:hover .bar b, .seek.dragging .bar b, .seek:focus-visible .bar b { transform: scale(1); }

.icon-btn {
  display: inline-grid; place-items: center; flex: none;
  width: 34px; height: 34px; border-radius: 50%;
  color: var(--fg); transition: background 0.2s, transform 0.15s;
}
.icon-btn:hover { background: var(--hover); }
.icon-btn:active { transform: scale(0.92); }
.icon-btn svg { width: 18px; height: 18px; display: block; }
.play-toggle { background: var(--fg); color: var(--bg); width: 38px; height: 38px; }
.play-toggle:hover { background: var(--fg); opacity: 0.85; }

.vol { display: flex; align-items: center; gap: 4px; }
.vol-range {
  -webkit-appearance: none; appearance: none; width: 78px; height: 18px; background: transparent; cursor: pointer;
  --fill: 80%;
}
.vol-range::-webkit-slider-runnable-track {
  height: 2px; border-radius: 2px;
  background: linear-gradient(to right, var(--fg) var(--fill), var(--line) var(--fill));
}
.vol-range::-webkit-slider-thumb {
  -webkit-appearance: none; width: 10px; height: 10px; margin-top: -4px; border-radius: 50%; background: var(--fg);
}
.vol-range::-moz-range-track { height: 2px; background: var(--line); border-radius: 2px; }
.vol-range::-moz-range-progress { height: 2px; background: var(--fg); border-radius: 2px; }
.vol-range::-moz-range-thumb { width: 10px; height: 10px; border: 0; border-radius: 50%; background: var(--fg); }

/* ---------- mini player, bottom right ---------- */
#mini {
  position: fixed; right: var(--gutter); bottom: calc(var(--gutter) + 18px + var(--safe-b)); z-index: 3;
  display: flex; align-items: center; gap: 6px;
  width: min(400px, calc(100vw - 2 * var(--gutter)));
  padding: 8px 10px 8px 8px; border-radius: 16px;
  background: var(--glass);
  border: 1px solid var(--glass-line);
  box-shadow: var(--glass-shadow);
  -webkit-backdrop-filter: blur(18px) saturate(1.4); backdrop-filter: blur(18px) saturate(1.4);
  overflow: hidden; visibility: hidden; opacity: 0;
}
.mini-open { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; text-align: left; }
.mini-disc {
  position: relative; flex: none; width: 46px; height: 46px; border-radius: 50%;
  background: #0b0b0b; display: grid; place-items: center;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
  animation: spin 1.8s linear infinite;
}
.mini-disc::before { /* grooves */
  content: ''; position: absolute; inset: 3px; border-radius: 50%;
  background: repeating-radial-gradient(circle, rgba(255,255,255,.05) 0 1px, transparent 1px 3px);
}
.mini-disc img { position: relative; width: 52%; height: 52%; border-radius: 50%; object-fit: cover; }
.mini-disc::after { /* spindle hole */
  content: ''; position: absolute; width: 4px; height: 4px; border-radius: 50%; background: var(--bg);
}
#mini.paused .mini-disc { animation-play-state: paused; }
@keyframes spin { to { transform: rotate(360deg); } }
.mini-text { display: grid; min-width: 0; line-height: 1.25; }
.mini-text b, .mini-text span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini-text b { font-size: 14px; font-weight: 600; letter-spacing: -0.01em; }
.mini-text span { font-size: 12px; color: var(--mute); }
.mini-open:hover b { text-decoration: underline; text-underline-offset: 3px; }
#mini .play-toggle { width: 34px; height: 34px; }
#mini .vol-range { width: 64px; }
#mini-close { width: 30px; height: 30px; color: var(--mute); }
#mini-close:hover { color: var(--fg); }
.mini-progress { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--line); }
.mini-progress i { display: block; height: 100%; width: 0; background: var(--fg); }
body.has-mini .hint { visibility: hidden; }

/* ---------- theme switch, bottom left ---------- */
html, body { transition: background-color 0.5s ease, color 0.5s ease; }
#theme {
  position: fixed; left: calc(var(--gutter) - 6px); bottom: calc(var(--gutter) * 0.4 + var(--safe-b)); z-index: 6;
  width: 26px; height: 26px; border-radius: 50%;
  display: grid; place-items: center; color: var(--mute);
  transition: color 0.2s, background 0.2s;
}
#theme:hover { color: var(--fg); background: var(--hover); }
#theme svg { grid-area: 1 / 1; width: 15px; height: 15px; transition: transform 0.5s cubic-bezier(.2,.8,.2,1), opacity 0.3s; }
#theme .moon { opacity: 0; transform: rotate(-90deg) scale(0.5); }
:root[data-theme="dark"] #theme .sun { opacity: 0; transform: rotate(90deg) scale(0.5); }
:root[data-theme="dark"] #theme .moon { opacity: 1; transform: none; }
/* leave a little row at the very bottom for the switch */
#browse-ui {
  padding-bottom: calc(var(--gutter) + 22px + var(--safe-b));
  /* glides up with the records when the mini player appears */
  transition: padding-bottom 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
#mini { bottom: calc(var(--gutter) + 40px + var(--safe-b)); }
#player { padding-top: calc(var(--gutter) + var(--safe-t)); padding-bottom: calc(var(--gutter) + var(--safe-b)); }

/* ---------- loader ---------- */
#loader {
  position: fixed; inset: 0; z-index: 10;
  background: var(--bg);
  display: flex; align-items: flex-end; justify-content: space-between;
  padding: var(--gutter);
}
#load-num {
  font-size: clamp(80px, 18vw, 260px);
  font-weight: 600; line-height: 0.8; letter-spacing: -0.06em;
  font-variant-numeric: tabular-nums;
}
.load-label { color: var(--mute); font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; }

@media (max-width: 760px) {
  #browse-ui { grid-template-columns: 1fr; }
  .hint { display: none; }
  #player { grid-template-columns: 1fr; align-items: end; }
  #player .info { grid-column: 1; }
  #p-title { font-size: 40px; margin: 6px 0 8px; }
  #p-tracks { margin: 18px 0; }
  #player .info { max-height: 48dvh; }
  #p-tracks button { padding: 8px 0; font-size: 14px; }
  #meta { display: none; }
  /* the credits panel is hidden on phones, so the guests go under the artist line */
  #b-feat { display: block; margin-top: 4px; font-size: 13px; color: var(--mute); line-height: 1.35; }
  /* phones have volume buttons; keep the bars short */
  .vol-range { display: none; }
  #mini { bottom: calc(var(--gutter) + 30px + var(--safe-b)); }
  #player { padding-bottom: calc(var(--gutter) + 30px + var(--safe-b)); }
  body.has-mini #browse-ui { padding-bottom: calc(var(--gutter) + 104px + var(--safe-b)); }
}