/* ============================================================
   MUSIC PLAYER — Styles for music section, player bar, video modal
   Uses design system variables from index.html
   ============================================================ */

/* Section */
#music {
  padding: var(--sp-9) 0;
}

.music-head {
  text-align: center;
  margin-bottom: var(--sp-7);
}

.music-head .section-tag {
  justify-content: center;
}

.music-head h2 .accent {
  color: var(--accent);
}

/* Track list — YTM style */
.music-list {
  display: flex;
  flex-direction: column;
  max-width: 720px;
  margin: 0 auto;
}

/* Track row */
.music-track {
  appearance: none;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  width: 100%;
  padding: var(--sp-2) 0;
  background: transparent;
  border: none;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font: inherit;
  color: inherit;
  transition: background var(--dur-fast) var(--ease);
}

.music-track:last-child {
  border-bottom: none;
}

.music-track:hover,
.music-track:focus-visible {
  background: rgba(255, 255, 255, 0.03);
}

.music-track.playing {
  background: rgba(191, 245, 73, 0.04);
}

.music-track:focus-visible {
  outline: 1px solid rgba(191, 245, 73, 0.45);
  outline-offset: 4px;
}

/* Cover art */
.track-cover {
  display: block;
  width: 48px;
  height: 48px;
  border-radius: 4px;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
}

.track-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.track-cover-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Play overlay on cover */
.track-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease);
}

.music-track:hover .track-cover::after {
  opacity: 1;
}

/* Play button on cover at hover */
.track-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease);
  pointer-events: none;
}
.track-play-btn svg {
  width: 18px;
  height: 18px;
  fill: var(--white);
  filter: drop-shadow(0 1px 3px rgba(0,0,0,0.5));
}
.music-track:hover .track-play-btn {
  opacity: 1;
}
.music-track.playing .track-play-btn {
  opacity: 1;
}

/* Track info */
.track-info {
  display: block;
  flex: 1;
  min-width: 0;
}

.track-title {
  display: block;
  font-family: var(--body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--white);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.music-track.playing .track-title {
  color: var(--accent);
}

.track-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-top: 2px;
}

.track-genre {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--subtle);
}

/* Duration — right-aligned */
.track-duration {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--subtle);
  flex-shrink: 0;
  margin-left: auto;
  padding-right: var(--sp-1);
}

.track-meta-separator {
  display: none;
}

/* Video badge */
.track-video-badge {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(191, 245, 73, 0.3);
  padding: 2px 6px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* Link to full music site */
.music-all-link {
  text-align: center;
  margin-top: var(--sp-5);
}

.music-all-link a {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-decoration: none;
  padding: var(--sp-2) var(--sp-4);
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: all var(--dur-fast) var(--ease);
  display: inline-block;
}

.music-all-link a:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ============================================================
   PERSISTENT BOTTOM BAR
   ============================================================ */
.player-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: #111111;
  border-top: 1px solid rgba(191, 245, 73, 0.15);
  transform: translateY(100%);
  transition: transform var(--dur-mid) var(--ease);
}

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

.player-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--sp-2) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

/* Top row: cover, info, controls */
.player-bar-top {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  position: relative;
}

.player-bar-cover {
  width: 36px;
  height: 36px;
  border-radius: 3px;
  flex-shrink: 0;
  overflow: hidden;
}

.player-bar-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.player-bar-info {
  flex: 1;
  min-width: 0;
}

.player-bar-title {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--white);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-bar-genre {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--subtle);
}

/* Controls — centered in bar */
.player-bar-controls {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.player-bar-btn {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: transform var(--dur-fast) var(--spring);
}

.player-bar-btn:hover {
  transform: scale(1.12);
}

.player-bar-btn svg {
  fill: currentColor;
}

.player-bar-btn-prev,
.player-bar-btn-next {
  color: var(--subtle);
  width: 28px;
  height: 28px;
}

.player-bar-btn-prev svg,
.player-bar-btn-next svg {
  width: 16px;
  height: 16px;
}

.player-bar-btn-play {
  color: var(--accent);
  width: 36px;
  height: 36px;
}

.player-bar-btn-play svg {
  width: 22px;
  height: 22px;
}

/* Progress row */
.player-bar-progress-row {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.player-bar-time {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--subtle);
  width: 32px;
  text-align: center;
  flex-shrink: 0;
}

.player-bar-time-end {
  text-align: right;
}

.player-bar-progress {
  flex: 1;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.player-bar-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  width: 0%;
  transition: width 0.1s linear;
}

.player-bar-progress:hover .player-bar-progress-fill {
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent-glow);
}

/* Volume */
.player-bar-volume {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  margin-left: var(--sp-2);
}

.player-bar-btn-vol {
  color: var(--subtle);
  width: 28px;
  height: 28px;
}

.player-bar-btn-vol svg {
  width: 16px;
  height: 16px;
}

.player-bar-btn-vol.muted svg {
  opacity: 0.4;
}

.player-bar-vol-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 80px;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.player-bar-vol-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--spring);
}

.player-bar-vol-slider::-webkit-slider-thumb:hover {
  transform: scale(1.3);
}

.player-bar-vol-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  background: var(--accent);
  border: none;
  border-radius: 50%;
  cursor: pointer;
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .player-bar-inner {
    padding: var(--sp-2) 16px calc(var(--sp-2) + env(safe-area-inset-bottom, 0px));
  }

  .player-bar-btn-prev,
  .player-bar-btn-next {
    display: none;
  }

  .player-bar-volume {
    display: none;
  }

  .player-bar-cover {
    width: 32px;
    height: 32px;
  }
}

/* Add bottom padding to body when player is visible (prevent content hiding) */
body.player-active {
  padding-bottom: 88px;
}

@media (max-width: 768px) {
  body.player-active {
    padding-bottom: 80px;
  }
}

/* ============================================================
   FULLSCREEN VIDEO MODAL
   ============================================================ */
.video-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-mid) var(--ease), visibility var(--dur-mid);
}

.video-modal.open {
  opacity: 1;
  visibility: visible;
}

.video-modal-content {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-modal video {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
}

/* Top bar overlay */
.video-modal-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) var(--sp-5);
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
  z-index: 2;
  transition: opacity var(--dur-mid) var(--ease);
}

.video-modal-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.video-modal-title {
  font-family: var(--heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
}

.video-modal-genre {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--subtle);
}

.video-modal-close {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 4px 12px;
  border-radius: 3px;
  background: none;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease);
}

.video-modal-close:hover {
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--white);
}

/* Bottom controls overlay */
.video-modal-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
  z-index: 2;
  transition: opacity var(--dur-mid) var(--ease);
}

.video-modal-play-btn {
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.video-modal-play-btn svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.video-modal-progress {
  flex: 1;
  height: 4px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.video-modal-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  width: 0%;
}

.video-modal-time {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.4);
  flex-shrink: 0;
  white-space: nowrap;
}

/* Auto-hide controls */
.video-modal.controls-hidden .video-modal-top,
.video-modal.controls-hidden .video-modal-bottom {
  opacity: 0;
  pointer-events: none;
}

/* Mobile video modal */
@media (max-width: 768px) {
  .video-modal-top {
    padding: calc(var(--sp-3) + env(safe-area-inset-top, 0px)) var(--sp-3) var(--sp-3);
  }

  .video-modal-bottom {
    padding: var(--sp-3) var(--sp-3) calc(var(--sp-3) + env(safe-area-inset-bottom, 0px));
  }

  .video-modal-title {
    font-size: 0.95rem;
  }
}