/* ==========================================================================
   SHARED CUSTOM AUDIO PLAYER STYLES
   ========================================================================== */

:root {
  --audio-player-gradient-purple: #7b1a9b;
  --audio-player-gradient-violet: #a340c4;
  --audio-player-transition-fast: 0.2s;
}

/* Custom Audio Player Container */
.custom-audio-player {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 0 0 auto;
}

/* Play Button */
.audio-play-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--audio-player-gradient-purple), var(--audio-player-gradient-violet));
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--audio-player-transition-fast) ease,
              box-shadow var(--audio-player-transition-fast) ease;
  padding: 0;
}

.audio-play-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(123, 26, 155, 0.4);
}

.audio-play-btn:focus {
  outline: 2px solid rgba(255, 255, 255, 0.8);
  outline-offset: 2px;
}

.audio-play-btn:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.8);
  outline-offset: 2px;
}

/* Play Icon (triangle) */
.audio-play-btn .play-icon {
  width: 0;
  height: 0;
  border-left: 10px solid white;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  margin-left: 3px;
}

/* Pause Icon (two bars) */
.audio-play-btn .pause-icon {
  display: none;
  width: 10px;
  height: 12px;
  border-left: 3px solid white;
  border-right: 3px solid white;
}

/* Toggle icons when playing */
.audio-play-btn.playing .play-icon {
  display: none;
}

.audio-play-btn.playing .pause-icon {
  display: block;
}

/* Static Waveform Visualization */
.audio-waveform {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 28px;
  min-width: 80px;
  max-width: 120px;
}

.audio-waveform .bar {
  width: 3px;
  background: var(--audio-player-gradient-violet);
  border-radius: 2px;
  opacity: 0.6;
}

/* Decorative bar heights - creates waveform look */
.audio-waveform .bar:nth-child(1) { height: 40%; }
.audio-waveform .bar:nth-child(2) { height: 70%; }
.audio-waveform .bar:nth-child(3) { height: 50%; }
.audio-waveform .bar:nth-child(4) { height: 90%; }
.audio-waveform .bar:nth-child(5) { height: 60%; }
.audio-waveform .bar:nth-child(6) { height: 100%; }
.audio-waveform .bar:nth-child(7) { height: 75%; }
.audio-waveform .bar:nth-child(8) { height: 55%; }
.audio-waveform .bar:nth-child(9) { height: 85%; }
.audio-waveform .bar:nth-child(10) { height: 45%; }
.audio-waveform .bar:nth-child(11) { height: 70%; }
.audio-waveform .bar:nth-child(12) { height: 95%; }
.audio-waveform .bar:nth-child(13) { height: 50%; }
.audio-waveform .bar:nth-child(14) { height: 65%; }
.audio-waveform .bar:nth-child(15) { height: 40%; }

/* Animate waveform when playing */
.audio-play-btn.playing + .audio-waveform .bar {
  opacity: 1;
  animation: waveformPulse 0.8s ease-in-out infinite alternate;
}

.audio-play-btn.playing + .audio-waveform .bar:nth-child(odd) {
  animation-delay: 0.1s;
}

@keyframes waveformPulse {
  from { opacity: 0.6; }
  to { opacity: 1; }
}

/* --------------------------------------------------------------------------
   RESPONSIVE DESIGN
   -------------------------------------------------------------------------- */

@media (max-width: 40rem) {
  .audio-play-btn {
    width: 32px;
    height: 32px;
  }

  .audio-play-btn .play-icon {
    border-left-width: 8px;
    border-top-width: 5px;
    border-bottom-width: 5px;
    margin-left: 2px;
  }

  .audio-play-btn .pause-icon {
    width: 8px;
    height: 10px;
    border-left-width: 2px;
    border-right-width: 2px;
  }

  .audio-waveform {
    min-width: 50px;
    max-width: 80px;
    height: 24px;
    gap: 1px;
  }

  .audio-waveform .bar {
    width: 2px;
  }
}
/* --------------------------------------------------------------------------
   ACCESSIBILITY - Reduced Motion
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .audio-play-btn {
    transition: none !important;
  }

  .audio-play-btn.playing + .audio-waveform .bar {
    animation: none;
  }
}