/* ══════════════════════════════════════
   MUSIC — Premium music experience
   ══════════════════════════════════════ */

/* ── Music Card (initial invitation) ── */
.music-card {
  position: fixed;
  bottom: var(--space-2xl);
  right: var(--space-xl);
  z-index: 80;
  opacity: 0;
  transform: translateY(12px);
  animation: musicCardIn 0.8s var(--ease-out) forwards;
  pointer-events: none;
}

.music-card-inner {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: rgba(26, 26, 26, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(201, 168, 76, 0.2);
  border-radius: var(--radius-full);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  white-space: nowrap;
}

.music-card-icon {
  font-size: 1rem;
  color: var(--gold);
  line-height: 1;
}

.music-card-text {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--champagne);
}

@keyframes musicCardIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.music-card.card-out {
  animation: musicCardOut 0.6s var(--ease-out) forwards;
}

@keyframes musicCardOut {
  to {
    opacity: 0;
    transform: translateY(8px) scale(0.95);
  }
}

/* ── Music Ring ── */
.music-ring {
  position: fixed;
  bottom: var(--space-2xl);
  right: var(--space-xl);
  z-index: 80;
  width: 48px;
  height: 48px;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--gold);
  padding: 0;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.5s ease, transform 0.5s var(--ease-spring);
  -webkit-tap-highlight-color: transparent;
}

.music-ring.ring-visible {
  opacity: 1;
  transform: scale(1);
}

.music-ring-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 2px 8px rgba(201, 168, 76, 0.2));
  transition: transform var(--duration-normal) var(--ease-out);
}

.music-ring:hover .music-ring-svg {
  transform: scale(1.04);
}

.music-ring-note {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--gold);
  opacity: 1;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.music-ring-shine {
  position: absolute;
  inset: -2px;
  border-radius: var(--radius-full);
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(201, 168, 76, 0.35) 48%,
    rgba(201, 168, 76, 0.5) 50%,
    rgba(201, 168, 76, 0.35) 52%,
    transparent 70%
  );
  opacity: 0;
  transform: translateX(-120%);
  pointer-events: none;
}

.music-ring.ring-shine .music-ring-shine {
  animation: ringShineReflection 0.9s var(--ease-out) forwards;
}

@keyframes ringShineReflection {
  0% {
    opacity: 0;
    transform: translateX(-120%);
  }
  20% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateX(120%);
  }
}

/* ── Hover reflection ── */
.music-ring:hover .music-ring-shine {
  animation: ringShineReflection 0.7s var(--ease-out) forwards;
}

/* ── Idle floating animation ── */
.music-ring.ring-visible:not(.playing) {
  animation: ringFloat 4s ease-in-out infinite;
}

@keyframes ringFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

/* ── Vinyl State ── */
.music-vinyl {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-full);
  background: radial-gradient(circle, #1a1a1a 20%, #2a2a2a 21%, #1a1a1a 22%, #2a2a2a 40%, #1a1a1a 41%, #2a2a2a 60%, #1a1a1a 61%);
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 0.6s ease, transform 0.6s var(--ease-spring);
  pointer-events: none;
}

.vinyl-groove {
  position: absolute;
  border-radius: var(--radius-full);
  border: 0.5px solid rgba(255, 255, 255, 0.06);
}

.vinyl-groove-1 { inset: 6px; }
.vinyl-groove-2 { inset: 10px; }
.vinyl-groove-3 { inset: 14px; }

.vinyl-label {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  background: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.45rem;
  color: var(--charcoal);
}

.music-ring.playing .music-ring-svg {
  opacity: 0;
  transform: scale(0.6);
}

.music-ring.playing .music-ring-note {
  opacity: 0;
}

.music-ring.playing .music-vinyl {
  opacity: 1;
  transform: scale(1);
  animation: vinylSpin 4s linear infinite;
}

@keyframes vinylSpin {
  to { transform: scale(1) rotate(360deg); }
}

/* ── Vinyl slowing down ── */
.music-ring.vinyl-stopping .music-vinyl {
  animation: vinylSpin 4s linear infinite;
  animation-play-state: running;
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.music-ring.vinyl-stopping .music-vinyl {
  animation-duration: 8s;
}

/* ── Responsive ── */
@media (min-width: 768px) {
  .music-card {
    bottom: var(--space-3xl);
    right: var(--space-2xl);
  }
  .music-ring {
    bottom: var(--space-3xl);
    right: var(--space-2xl);
  }
}