/* ═══ Player bar ═══ */
.player-bar {
  --player-progress: 0%;
  position: fixed; bottom: 0; left: 0; right: 0; min-height: var(--player-h);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  z-index: 150; display: flex; flex-direction: column; padding: 0 var(--sp-6) var(--sp-3); gap: var(--sp-2);
  transform: translateY(100%);
  transition: min-height var(--t-slow) var(--ease-spring), transform 0.5s var(--ease-spring);
}
.player-bar::before {
  content: ''; position: absolute; top: 0; left: 0; height: 2px; width: var(--player-progress);
  background: var(--gradient); transition: width 0.1s linear; z-index: 2;
}
.player-bar.visible { transform: translateY(0); animation: slideUpSpring 0.6s var(--ease-spring); }
.player-bar.expanded { min-height: var(--player-h-expanded); }

.player-main-row {
  display: flex; align-items: center; gap: var(--sp-4); padding-top: var(--sp-3); flex: 1;
  min-height: calc(var(--player-h) - var(--sp-3));
}
.player-scrub-row { width: 100%; }
#playerCoverWrap { flex-shrink: 0; }
.player-cover, .player-cover-placeholder {
  width: 48px; height: 48px; border-radius: var(--r-sm); box-shadow: var(--shadow-sm);
  background: linear-gradient(135deg, var(--surface), var(--elevated));
}
.player-cover { object-fit: cover; }
.player-cover-placeholder { display: flex; align-items: center; justify-content: center; }

.player-info { flex: 1; min-width: 0; }
.player-title { font-size: 14px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.player-ep-label { font-size: 11px; font-family: var(--font-mono); color: var(--text-muted); }

.player-controls { display: flex; align-items: center; gap: var(--sp-2); flex-shrink: 0; }
.player-btn {
  width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: var(--text-2); transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.player-btn:hover { background: var(--elevated); color: var(--text); }
.player-btn.play-pause {
  width: 48px; height: 48px; border: 2px solid transparent; border-radius: 50%;
  background: linear-gradient(var(--bg), var(--bg)) padding-box, var(--gradient) border-box; color: var(--text);
}
.player-btn.play-pause:hover { box-shadow: var(--shadow-glow); }

.player-progress-wrap { width: 100%; display: flex; flex-direction: column; gap: 4px; }
.player-progress {
  width: 100%; height: 3px; background: var(--elevated); border-radius: var(--r-full); cursor: pointer; overflow: hidden;
}
.player-progress-fill {
  height: 100%; background: var(--gradient); border-radius: var(--r-full); pointer-events: none; transition: width 0.1s linear;
}
.player-times {
  display: flex; justify-content: space-between; font-size: 11px; font-family: var(--font-mono); color: var(--text-muted);
}

.player-volume-wrap { display: flex; align-items: center; gap: var(--sp-2); flex-shrink: 0; }
.player-volume {
  width: 80px; height: 4px; background: var(--elevated); border-radius: var(--r-full); cursor: pointer;
  appearance: none; -webkit-appearance: none;
}
.player-volume::-webkit-slider-thumb {
  -webkit-appearance: none; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); cursor: pointer;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 35%, transparent);
}
.player-volume::-webkit-slider-runnable-track {
  height: 4px;
  background: linear-gradient(to right, var(--accent) var(--vol, 80%), var(--elevated) var(--vol, 80%));
  border-radius: var(--r-full);
}

.player-expand-btn {
  width: 36px; height: 36px; border-radius: var(--r-sm); color: var(--text-muted);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.player-expand-btn:hover { background: var(--elevated); color: var(--text); }

.player-expanded-panel {
  display: none; flex-direction: column; gap: var(--sp-3); border-top: 1px solid var(--border-subtle);
  margin-top: var(--sp-1); padding-top: var(--sp-3); padding-bottom: var(--sp-2);
}
.player-bar.expanded .player-expanded-panel { display: flex; }
.player-chapters-label { font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); }
.player-chapters { display: flex; flex-wrap: wrap; gap: var(--sp-2); max-height: 180px; overflow-y: auto; }
.player-chapter {
  font-size: 12px; padding: var(--sp-2) var(--sp-3); border-radius: var(--r-full); background: var(--elevated);
  border: 1px solid var(--border-subtle); color: var(--text-2);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.player-chapter:hover, .player-chapter.active {
  border-color: var(--border-accent); color: var(--text);
  background: color-mix(in srgb, var(--accent) 8%, var(--elevated));
}
.player-chapters-empty { font-size: 13px; color: var(--text-muted); }

@media (max-width: 768px) {
  .player-scrub-row { display: none; }
  .player-volume-wrap { display: none; }
  .player-bar { gap: var(--sp-2); padding: 0 var(--sp-4) var(--sp-2); }
  .player-main-row { gap: var(--sp-3); }
}