/* ==========================================================================
   Mini Player
   ========================================================================== */

.mini-player {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 150;
  height: var(--mini-player-height);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding-inline: var(--space-md);
  background-color: hsl(240 8% 10% / 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--color-border);
  transform: translateY(100%);
  transition: transform var(--duration-slow) var(--ease-out-expo);
}

.mini-player[hidden] {
  display: flex;
}

.mini-player--visible {
  transform: translateY(0);
}

.mini-player__art {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  object-fit: cover;
  flex-shrink: 0;
  transition: opacity 200ms ease;
}

.mini-player__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  width: 180px;
  flex-shrink: 0;
}

.mini-player__track {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: opacity 150ms ease, transform 150ms ease;
}

.mini-player__track.is-changing {
  opacity: 0;
  transform: translateY(-6px);
}

.mini-player__album {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mini-player__controls {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-shrink: 0;
}

.mini-player__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: color var(--duration-fast);
  min-width: 44px;
  min-height: 44px;
}

.mini-player__btn:hover {
  color: var(--color-text);
}

.mini-player__btn--play {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: var(--color-bg);
  transition: background-color var(--duration-fast),
              transform var(--duration-fast);
}

.mini-player__btn--play:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-bg);
  transform: scale(1.05);
}

.mini-player__btn--play.is-playing {
  animation: mp-pulse 2s ease-in-out infinite;
}

@keyframes mp-pulse {
  0%, 100% { box-shadow: 0 0 8px hsl(38 70% 55% / 0.3); }
  50%      { box-shadow: 0 0 16px hsl(38 70% 55% / 0.55); }
}

.mini-player__progress {
  flex: 1;
  height: 4px;
  border-radius: var(--radius-pill);
  background-color: var(--color-surface-raised);
  cursor: pointer;
  min-width: 80px;
  transition: height var(--duration-fast) ease;
}

.mini-player__progress:hover {
  height: 6px;
}

.mini-player__progress-fill {
  height: 100%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
  width: 0%;
  transition: width 100ms linear;
}

.mini-player__time {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  flex-shrink: 0;
  min-width: 5.5em;
  text-align: center;
}

/* Artwork blur background — uses --mp-artwork set by JS */
.mini-player::before {
  content: "";
  position: absolute;
  inset: -20px;
  background: var(--mp-artwork, none) center / cover no-repeat;
  filter: blur(40px) saturate(1.2);
  opacity: 0.15;
  pointer-events: none;
  z-index: -1;
}

@media (max-width: 768px) {
  .mini-player__time {
    display: none;
  }
  .mini-player__progress {
    min-width: 60px;
  }
  .mini-player__info { width: auto; flex: 1; }
}