/* Radio player — the single element where glassmorphism is kept. */

.radio-player {
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--accent-600) 85%, black) 0%,
    color-mix(in srgb, var(--accent-600) 70%, transparent) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
  overflow: hidden;
  backdrop-filter: saturate(160%) blur(8px);
  -webkit-backdrop-filter: saturate(160%) blur(8px);
  box-shadow: var(--shadow-lg);
}
.radio-player::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 0%, rgba(255, 255, 255, 0.2), transparent 50%);
  pointer-events: none;
}
.radio-player > * { position: relative; z-index: 1; }

.radio-player__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.radio-player__label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  opacity: 0.85;
}
.radio-player__live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
}
.radio-player__live::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: #fff;
  animation: pulse 1.6s ease-in-out infinite;
}

.radio-player__body {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.radio-player__play {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  background: #fff;
  color: var(--accent-600);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: transform var(--trans-fast), box-shadow var(--trans-fast);
  box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.5);
}
.radio-player__play:hover { transform: scale(1.06); box-shadow: 0 0 0 10px rgba(255, 255, 255, 0.08); }
.radio-player__play:focus-visible { outline: 3px solid #fff; outline-offset: 4px; }
.radio-player__play svg { width: 28px; height: 28px; }

/* Subtle pulse ring when paused — invites click. */
.radio-player.is-paused .radio-player__play::before,
.radio-player[data-state="paused"] .radio-player__play::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: var(--radius-full);
  border: 2px solid rgba(255, 255, 255, 0.55);
  animation: radio-pulse 1.8s ease-out infinite;
  pointer-events: none;
}
@keyframes radio-pulse {
  0%   { transform: scale(1);    opacity: 0.9; }
  70%  { transform: scale(1.25); opacity: 0;   }
  100% { transform: scale(1.25); opacity: 0;   }
}

.radio-player__track-title {
  font-family: var(--font-serif);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-lg);
  line-height: var(--lh-snug);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin: 0;
}
.radio-player__track-artist {
  font-size: var(--fs-sm);
  opacity: 0.85;
  margin: 0;
}

.radio-player__viz {
  display: flex;
  gap: 3px;
  align-items: flex-end;
  height: 28px;
  margin-top: var(--space-2);
}
.radio-player__viz span {
  display: block;
  width: 3px;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 2px;
  animation: viz 1.2s ease-in-out infinite;
}
.radio-player__viz span:nth-child(1) { animation-delay: 0.0s; height: 30%; }
.radio-player__viz span:nth-child(2) { animation-delay: 0.2s; height: 60%; }
.radio-player__viz span:nth-child(3) { animation-delay: 0.1s; height: 80%; }
.radio-player__viz span:nth-child(4) { animation-delay: 0.3s; height: 40%; }
.radio-player__viz span:nth-child(5) { animation-delay: 0.05s; height: 70%; }
@keyframes viz {
  0%, 100% { transform: scaleY(0.4); }
  50% { transform: scaleY(1); }
}
.radio-player.is-paused .radio-player__viz span { animation-play-state: paused; }

.radio-player__volume {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}
.radio-player__mute {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  color: #fff;
  opacity: 0.85;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--trans-fast), background var(--trans-fast);
}
.radio-player__mute:hover { opacity: 1; background: rgba(255, 255, 255, 0.1); }
.radio-player__mute svg { width: 18px; height: 18px; }

/* Range input — custom track + thumb, themed for the red player. */
.radio-player__volume-slider {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  cursor: pointer;
  outline: none;
  padding: 0;
  margin: 0;
}
.radio-player__volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  border-radius: var(--radius-full);
  background: #fff;
  border: none;
  cursor: pointer;
  transition: transform var(--trans-fast);
}
.radio-player__volume-slider::-webkit-slider-thumb:hover { transform: scale(1.2); }
.radio-player__volume-slider::-moz-range-thumb {
  width: 14px; height: 14px;
  border-radius: var(--radius-full);
  background: #fff;
  border: none;
  cursor: pointer;
}
.radio-player__volume-slider:focus-visible::-webkit-slider-thumb { outline: 2px solid #fff; outline-offset: 2px; }