:root {
  --ink:   var(--text, #0e1116);
  --paper: var(--bg, #ffffff);
  --faint: var(--gray, #8a939b);
  --hair:  #e6eaed;
  --wash:  #f4f6f7;
}

.home-main {
  transition: filter .85s cubic-bezier(.4, 0, .2, 1),
              opacity .85s ease,
              transform .85s cubic-bezier(.4, 0, .2, 1);
  will-change: filter, opacity, transform;
}
body.is-playing .home-main {
  filter: blur(18px);
  opacity: .22;
  transform: scale(1.03);
  pointer-events: none;
}

.lyrics-overlay {
  position: fixed;
  left: 0; right: 0;
  top: 0; bottom: 60px;
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .85s ease, visibility 0s linear .85s;
  z-index: 4;
  pointer-events: none;
}
body.is-playing .lyrics-overlay {
  opacity: 1;
  visibility: visible;
  transition: opacity .85s ease, visibility 0s;
}

.lyrics-viewport {
  width: min(920px, 94vw);
  height: 100%;
  max-height: 72vh;
  position: relative;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 28%, #000 72%, transparent 100%);
          mask-image: linear-gradient(to bottom, transparent 0%, #000 28%, #000 72%, transparent 100%);
}
.lyrics {
  position: absolute;
  left: 0; right: 0;
  top: 50%;
  transform: translateY(0);
  transition: transform .5s cubic-bezier(.22, .61, .36, 1);
  text-align: center;
  will-change: transform;
}
.line {
  font-family: var(--f-sans);
  font-weight: 600;
  font-size: clamp(19px, 3.1vw, 32px);
  line-height: 1.42;
  padding: .16em clamp(12px, 7vw, 90px);
  color: var(--faint);
  opacity: .42;
  filter: blur(2.6px);
  transform: scale(.965);
  transition: opacity .45s ease, filter .45s ease, color .45s ease, transform .45s ease;
  cursor: pointer;
  -webkit-user-select: none; user-select: none;
}
.line.d0 { color: var(--ink);   opacity: 1;   filter: none;        transform: scale(1.05); font-weight: 700; }
.line.d1 { color: var(--muted); opacity: .8;  filter: blur(.35px); transform: scale(1); }
.line.d2 { color: var(--faint); opacity: .48; filter: blur(1.7px); transform: scale(.985); }
.line.d3 { color: var(--faint); opacity: .25; filter: blur(3.2px); transform: scale(.965); }

@media (prefers-reduced-motion: reduce) {
  .home-main, .lyrics, .line { transition-duration: .01ms; }
  body.is-playing .home-main { filter: none; opacity: .3; }
}

.player {
  flex: 0 0 auto;
  width: 100%;
  height: 60px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 18px);
  padding: 0 clamp(14px, 3vw, 28px);
  padding-bottom: env(safe-area-inset-bottom);
  border-top: 1px solid var(--hair);
  background: var(--paper);
  position: relative;
  z-index: 6;
}
.pl-toggle {
  flex: 0 0 auto; width: 40px; height: 40px; padding: 0;
  border: none; border-radius: 50%;
  background: var(--ink); color: var(--paper);
  display: grid; place-items: center; cursor: pointer;
  transition: transform .12s ease, box-shadow .18s ease, background .18s ease;
}
.pl-toggle:hover  { background: #000; transform: translateY(-1px); box-shadow: 0 5px 16px rgba(14,17,22,.32); }
.pl-toggle:active { transform: translateY(0) scale(.93); box-shadow: 0 2px 6px rgba(14,17,22,.30); }
.pl-toggle:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.pl-toggle:disabled { opacity: .4; cursor: default; box-shadow: none; transform: none; }
.pl-ico { width: 16px; height: 16px; fill: #fff; }
.pl-ico path { fill: #fff; }

.pl-toggle:hover .pl-ico, .pl-toggle:hover .pl-ico path,
.pl-toggle:focus-visible .pl-ico, .pl-toggle:focus-visible .pl-ico path { fill: #fff; }
.pl-toggle .pl-ico-pause { display: none; }
.pl-toggle .pl-ico-play  { display: block; margin-left: 2px; }
body.is-playing .pl-toggle .pl-ico-play  { display: none; }
body.is-playing .pl-toggle .pl-ico-pause { display: block; margin-left: 0; }
.pl-meta { flex: 0 0 auto; display: flex; flex-direction: column; align-items: flex-start; line-height: 1.15; text-align: left; }
.pl-title { font-weight: 700; font-size: 14px; letter-spacing: -.01em; }
.pl-artist { font-family: var(--f-mono); font-size: 11px; color: var(--muted); }
.pl-seek { flex: 1 1 auto; min-width: 40px; height: 34px; display: flex; align-items: center; cursor: pointer; touch-action: none; }
.pl-track-line { position: relative; width: 100%; height: 3px; background: var(--hair); border-radius: 2px; }
.pl-fill { position: absolute; left: 0; top: 0; height: 100%; width: 0; background: var(--ink); border-radius: 2px; }
.pl-knob { position: absolute; top: 50%; left: 0; width: 10px; height: 10px; margin-left: -5px; transform: translateY(-50%) scale(0); background: var(--ink); border-radius: 50%; transition: transform .12s ease; }
.pl-seek:hover .pl-knob, .pl-seek:focus-visible .pl-knob, body.is-playing .pl-knob { transform: translateY(-50%) scale(1); }
.pl-seek:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 2px; }
.pl-time { flex: 0 0 auto; display: flex; gap: 4px; font-family: var(--f-mono); font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.pl-sep { opacity: .5; }
.pl-vol { flex: 0 0 auto; display: flex; align-items: center; gap: 6px; }
.pl-mute { width: 30px; height: 30px; padding: 0; border: none; border-radius: 50%; background: none; cursor: pointer; display: grid; place-items: center; transition: background .15s ease; }
.pl-mute:hover { background: var(--wash); }
.pl-mute:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
.pl-vico { width: 19px; height: 19px; fill: var(--ink); stroke: var(--ink); }
.pl-mute .pl-vico-off { display: none; }
body.is-muted .pl-mute .pl-vico-on  { display: none; }
body.is-muted .pl-mute .pl-vico-off { display: block; }
.pl-vol-range { -webkit-appearance: none; appearance: none; width: 74px; height: 3px; border-radius: 2px; background: var(--hair); cursor: pointer; outline: none; }
.pl-vol-range::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 11px; height: 11px; border-radius: 50%; background: var(--ink); border: none; cursor: pointer; }
.pl-vol-range::-moz-range-thumb { width: 11px; height: 11px; border-radius: 50%; background: var(--ink); border: none; cursor: pointer; }
.pl-vol-range:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

@media (max-width: 560px) {
  .pl-meta { display: none; }
  .pl-vol-range { width: 54px; }
}