:root {
  color-scheme: dark;
  --bg: #161014;
  --button: hsl(337 23% 48%);
  --button-shadow: hsl(337 23% 18% / 0.48);
  --button-pressed: hsl(337 23% 40%);
  --icon: #fff7fa;
  --track: hsl(337 13% 27%);
  --fill: hsl(337 23% 48%);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  min-height: 100svh;
  background:
    radial-gradient(circle at 50% 35%, hsl(337 18% 24% / 0.7), hsl(337 12% 8% / 0) 46%),
    var(--bg);
  font-family: system-ui, sans-serif;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}

main {
  width: 100%;
  min-height: 100svh;
  display: grid;
  place-items: center;
  align-content: center;
  gap: clamp(42px, 8vh, 72px);
  padding: max(24px, env(safe-area-inset-top)) max(24px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(24px, env(safe-area-inset-left));
}

.play-control {
  width: min(52vw, 260px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: var(--button);
  box-shadow: 0 26px 54px var(--button-shadow), inset 0 -9px 0 rgba(0, 0, 0, 0.08);
  color: var(--icon);
  cursor: pointer;
  touch-action: manipulation;
  transition: transform 150ms ease, background-color 150ms ease, box-shadow 150ms ease;
}

.play-control:active {
  transform: scale(0.96);
  background: var(--button-pressed);
  box-shadow: 0 18px 36px var(--button-shadow), inset 0 -5px 0 rgba(0, 0, 0, 0.08);
}

.play-control:focus-visible,
.volume-control:focus-visible {
  outline: 5px solid hsl(337 23% 58% / 0.26);
  outline-offset: 8px;
}

.icon {
  width: 46%;
  height: 46%;
  fill: currentColor;
}

.icon-pause,
.play-control[data-playing="true"] .icon-play {
  display: none;
}

.play-control[data-playing="true"] .icon-pause {
  display: block;
}

.volume-control {
  width: min(72vw, 420px);
  height: 46px;
  margin: 0;
  appearance: none;
  background: transparent;
  cursor: pointer;
}

.volume-control::-webkit-slider-runnable-track {
  height: 16px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--fill) var(--volume-percent, 45%), var(--track) 0);
  box-shadow: inset 0 2px 4px hsl(337 20% 4% / 0.45);
}

.volume-control::-webkit-slider-thumb {
  appearance: none;
  width: 44px;
  height: 44px;
  margin-top: -14px;
  border: 6px solid #221920;
  border-radius: 50%;
  background: var(--fill);
  box-shadow: 0 10px 24px hsl(337 23% 10% / 0.55);
}

@media (max-width: 420px) {
  .play-control {
    width: min(64vw, 236px);
  }

  .volume-control {
    width: min(82vw, 360px);
  }
}