:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  --glass: rgba(16, 19, 17, 0.74);
  --line: rgba(255, 255, 255, 0.13);
  --muted: rgba(255, 255, 255, 0.61);
  --white: rgba(255, 255, 255, 0.94);
  --warm: #e7ddc4;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #111311;
}

body {
  -webkit-font-smoothing: antialiased;
  /* Block double-tap zoom; pinch zoom is blocked in JS for iOS Safari. */
  touch-action: manipulation;
}

#artwork,
#artwork canvas {
  position: fixed;
  inset: 0;
  display: block;
  width: 100% !important;
  height: 100% !important;
  touch-action: none;
}

.status {
  position: fixed;
  top: max(16px, env(safe-area-inset-top));
  right: max(16px, env(safe-area-inset-right));
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  color: rgba(255, 255, 255, 0.78);
  background: rgba(12, 14, 12, 0.48);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.14);
  backdrop-filter: blur(16px) saturate(125%);
  -webkit-backdrop-filter: blur(16px) saturate(125%);
  font-size: 11px;
  letter-spacing: 0.04em;
  pointer-events: none;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #c9bea5;
  box-shadow: 0 0 10px rgba(243, 224, 178, 0.68);
}

.status.is-live .status-dot {
  background: #b6ffd1;
  box-shadow: 0 0 12px rgba(126, 255, 176, 0.8);
}

.status.is-error .status-dot {
  background: #ffb3a9;
  box-shadow: none;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

.panel {
  position: fixed;
  left: max(16px, env(safe-area-inset-left));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 4;
  width: min(332px, calc(100vw - 32px));
  overflow: hidden;
  color: var(--white);
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(22px) saturate(130%);
  -webkit-backdrop-filter: blur(22px) saturate(130%);
  transition: opacity 180ms ease, transform 180ms ease;
}

.panel-heading {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 16px 13px;
  text-align: left;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.eyebrow,
.panel-title {
  display: block;
}

.eyebrow {
  margin-bottom: 4px;
  color: rgba(255, 255, 255, 0.46);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.panel-title {
  font-size: 15px;
  font-weight: 560;
  letter-spacing: -0.015em;
}

.chevron {
  color: rgba(255, 255, 255, 0.52);
  font-size: 17px;
  transition: transform 180ms ease;
}

.panel-body {
  max-height: min(680px, calc(100vh - 118px));
  padding: 0 16px 16px;
  overflow: auto;
  opacity: 1;
  transition: max-height 220ms ease, opacity 160ms ease, padding 220ms ease;
}

.panel.is-collapsed .panel-body {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  opacity: 0;
  overflow: hidden;
}

.panel.is-collapsed .chevron {
  transform: rotate(180deg);
}

.signal {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 11px 0 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.signal-band {
  display: grid;
  gap: 6px;
  color: rgba(255, 255, 255, 0.52);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-track {
  display: block;
  height: 2px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 99px;
}

.signal-track > span {
  display: block;
  width: 0%;
  height: 100%;
  background: var(--warm);
  box-shadow: 0 0 8px rgba(238, 221, 178, 0.42);
  transition: width 70ms linear;
}

.sliders {
  padding-top: 7px;
}

.control-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 10px;
  padding: 6px 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 11px;
}

.control-row output {
  color: rgba(255, 255, 255, 0.45);
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  grid-column: 1 / -1;
  width: 100%;
  height: 14px;
  margin: 0;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  cursor: ew-resize;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 2px;
  border-radius: 99px;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.75) var(--fill, 50%),
    rgba(255, 255, 255, 0.16) var(--fill, 50%)
  );
}

input[type="range"]::-webkit-slider-thumb {
  width: 11px;
  height: 11px;
  margin-top: -4.5px;
  appearance: none;
  -webkit-appearance: none;
  background: #f5f3eb;
  border: 0;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.08), 0 2px 8px rgba(0, 0, 0, 0.3);
}

input[type="range"]::-moz-range-track {
  height: 2px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.16);
}

input[type="range"]::-moz-range-progress {
  height: 2px;
  background: rgba(255, 255, 255, 0.75);
}

input[type="range"]::-moz-range-thumb {
  width: 11px;
  height: 11px;
  background: #f5f3eb;
  border: 0;
  border-radius: 50%;
}

.audio-hint {
  margin: 9px 0 12px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.45;
}

.button-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
}

.action,
.show-controls {
  min-height: 34px;
  padding: 8px 10px;
  color: rgba(255, 255, 255, 0.78);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 9px;
  font-size: 10px;
  font-weight: 620;
  letter-spacing: 0.025em;
  cursor: pointer;
  transition: background 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.action:hover,
.show-controls:hover {
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(255, 255, 255, 0.18);
}

.action:active,
.show-controls:active {
  transform: translateY(1px);
}

.action:focus-visible,
.show-controls:focus-visible,
.panel-heading:focus-visible,
input:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.82);
  outline-offset: 2px;
}

.action.primary {
  color: #171714;
  background: rgba(250, 248, 240, 0.92);
  border-color: transparent;
}

.action.primary:hover {
  background: #fffef8;
}

.action:disabled {
  opacity: 0.48;
  cursor: wait;
}

.show-controls {
  position: fixed;
  left: max(16px, env(safe-area-inset-left));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 4;
  padding-inline: 14px;
  color: var(--white);
  background: rgba(16, 19, 17, 0.66);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

[hidden] {
  display: none !important;
}

noscript {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  padding: 32px;
  background: #111311;
  color: #fff;
}

@media (max-height: 690px) {
  .panel-body {
    max-height: calc(100vh - 104px);
  }

  .control-row {
    padding: 4px 0;
  }

  .audio-hint {
    display: none;
  }
}

@media (max-width: 560px) {
  .status {
    top: max(10px, env(safe-area-inset-top));
    right: max(10px, env(safe-area-inset-right));
  }

  .panel {
    left: 10px;
    bottom: max(10px, env(safe-area-inset-bottom));
    width: calc(100vw - 20px);
  }

  .show-controls {
    left: 10px;
    bottom: max(10px, env(safe-area-inset-bottom));
  }

  /* Keep the artwork visible: the open panel takes at most about half the
     screen and scrolls internally. */
  .panel-body {
    max-height: min(52vh, calc(100vh - 118px));
  }

  .panel .audio-hint {
    display: none;
  }

  .panel .control-row {
    padding: 5px 0;
  }
}

@media (pointer: coarse) {
  button,
  input[type="range"] {
    -webkit-tap-highlight-color: transparent;
  }

  input[type="range"] {
    height: 36px;
    touch-action: none;
  }

  input[type="range"]::-webkit-slider-runnable-track {
    height: 3px;
  }

  input[type="range"]::-webkit-slider-thumb {
    width: 22px;
    height: 22px;
    margin-top: -9.5px;
  }

  input[type="range"]::-moz-range-track,
  input[type="range"]::-moz-range-progress {
    height: 3px;
  }

  input[type="range"]::-moz-range-thumb {
    width: 22px;
    height: 22px;
  }

  .control-row {
    padding: 7px 0;
    font-size: 12px;
  }

  .action,
  .show-controls {
    min-height: 44px;
    font-size: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}