/* ========== AUDIO PLAYER ========== */
.audio-player {
  display: grid;
}

/* 80s Neon Background Waveform */
.audio-player__background-waveform {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100vh;
  opacity: 0.35;
  filter: drop-shadow(0 0 30px rgba(0, 240, 255, 0.6));
  mix-blend-mode: screen;
  pointer-events: none;
  animation: neon-pulse 3s ease-in-out infinite;
  will-change: opacity;
  /* Use GPU acceleration for better animation performance */
  transform: translateZ(0);
}

.audio-player__background-waveform canvas {
  width: 100%;
  height: 100%;
}

@keyframes neon-pulse {
  0%, 100% {
    opacity: 0.35;
  }
  50% {
    opacity: 0.5;
  }
}

/* PUMP Button - Golden Ticket */
.audio-player__pump-button {
  position: relative;
  width: 65%;
  height: clamp(50px, 8vh, 70px);
  margin: 0 auto;
  padding: 0;
  background: linear-gradient(135deg, rgba(255, 208, 52, 0.15) 0%, rgba(233, 117, 36, 0.2) 100%);
  border: 3px solid var(--lch-gold);
  border-radius: 4px;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow:
    inset 0 1px 2px rgba(255, 208, 52, 0.3),
    0 0 12px rgba(255, 208, 52, 0.6),
    0 0 20px rgba(233, 117, 36, 0.4),
    0 4px 12px rgba(0, 0, 0, 0.6);
  will-change: transform, box-shadow;
}

/* Button Text Layer */
.audio-player__pump-text {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: var(--lch-gold);
  font-size: clamp(1.25rem, 4vw, 2rem);
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-shadow:
    1px 0 0 var(--lch-orange),
    -1px 0 0 var(--lch-light-aqua),
    0 0 8px var(--lch-gold),
    0 0 15px var(--lch-gold),
    0 0 25px rgba(255, 208, 52, 0.6),
    0 2px 6px rgba(0, 0, 0, 0.8);
  pointer-events: none;
}

/* Hover State */
.audio-player__pump-button:hover {
  border-color: var(--lch-orange);
  background: linear-gradient(135deg, rgba(255, 208, 52, 0.25) 0%, rgba(233, 117, 36, 0.35) 100%);
  transform: translateY(-3px);
  box-shadow:
    inset 0 1px 3px rgba(255, 208, 52, 0.5),
    0 0 18px rgba(255, 208, 52, 0.9),
    0 0 30px rgba(233, 117, 36, 0.7),
    0 0 45px rgba(255, 208, 52, 0.5),
    0 6px 16px rgba(0, 0, 0, 0.7);
}

.audio-player__pump-button:hover .audio-player__pump-text {
  color: var(--lch-gold);
  text-shadow:
    1.5px 0 0 var(--lch-orange),
    -1.5px 0 0 var(--lch-light-aqua),
    0 0 12px var(--lch-gold),
    0 0 20px var(--lch-orange),
    0 0 35px rgba(255, 208, 52, 0.8),
    0 2px 8px rgba(0, 0, 0, 0.9);
}

/* Active State */
.audio-player__pump-button:active {
  transform: translateY(0);
}

/* Focus State */
.audio-player__pump-button:focus-visible {
  outline: 2px solid var(--lch-electric-cyan);
  outline-offset: 3px;
}

/* Hide native audio element */
audio {
  display: none;
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .audio-player__pump-button {
    transition: none;
  }
  .audio-player__pump-button:hover {
    transform: none;
  }
}