/* =============================================================================
   Media Player - Custom video/audio player styles
   ============================================================================= */

/* ========== MEDIA PLAYER CONTAINER ========== */
.media-player {
  background-color: #000;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  margin: var(--spacing-lg) 0;
  position: relative;
}

.media-player.media-video {
  aspect-ratio: 16 / 9;
  max-width: 100%;
}

.media-player.media-audio {
  background-color: var(--bg-secondary);
  padding: var(--spacing-lg);
}

/* ========== NATIVE VIDEO/AUDIO ELEMENTS ========== */
video, audio {
  width: 100%;
  height: 100%;
  display: block;
}

video::-webkit-media-controls {
  display: none;
}

video::-moz-media-controls {
  display: none;
}

/* Hide native controls initially */
video::-webkit-media-controls-panel,
audio::-webkit-media-controls-panel {
  display: none !important;
}

/* ========== CUSTOM PLAYER CONTROLS ========== */
.player-controls {
  background-color: #1a1a1a;
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.player-progress-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.player-progress-bar {
  width: 100%;
  height: 4px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}

.player-progress-bar::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-blue-primary);
  cursor: pointer;
  transition: background-color var(--transition-duration-fast);
}

.player-progress-bar::-webkit-slider-thumb:hover {
  background-color: #7b92f0;
  width: 14px;
  height: 14px;
  margin-top: -5px;
}

.player-progress-bar::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-blue-primary);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-duration-fast);
}

.player-progress-bar::-moz-range-thumb:hover {
  background-color: #7b92f0;
  width: 14px;
  height: 14px;
}

.player-time-display {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-small);
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--font-family-mono);
}

/* Controls row */
.player-controls-row {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  justify-content: space-between;
}

.player-buttons {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.player-settings {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

/* ========== PLAYER BUTTONS ========== */
.player-btn {
  background-color: transparent;
  border: none;
  color: var(--color-white);
  cursor: pointer;
  padding: 8px 12px;
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-body);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  min-width: 40px;
  transition: background-color var(--transition-duration-fast),
              color var(--transition-duration-fast);
}

.player-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-blue-primary);
}

.player-btn:focus-visible {
  outline: 2px solid var(--color-blue-primary);
  outline-offset: 2px;
}

.player-btn:active {
  background-color: rgba(102, 126, 234, 0.3);
}

.player-btn.active {
  background-color: rgba(102, 126, 234, 0.3);
  color: var(--color-blue-primary);
}

/* Play/Pause button - larger */
.play-btn {
  font-size: 1.2rem;
  padding: 10px 16px;
}

/* ========== VOLUME CONTROL ========== */
.volume-control {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.volume-slider {
  width: 80px;
  height: 4px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}

.volume-slider::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-blue-primary);
  cursor: pointer;
}

.volume-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-blue-primary);
  border: none;
  cursor: pointer;
}

/* ========== SPEED CONTROL ========== */
.speed-control {
  position: relative;
}

.speed-btn {
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  padding: 6px 12px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-semibold);
  transition: all var(--transition-duration-fast);
}

.speed-btn:hover {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: var(--color-blue-primary);
  color: var(--color-blue-primary);
}

.speed-menu {
  position: absolute;
  bottom: 100%;
  right: 0;
  background-color: #2a2a2a;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  display: none;
  flex-direction: column;
  gap: var(--spacing-xs);
  z-index: var(--z-dropdown);
  min-width: 80px;
}

.speed-menu.active {
  display: flex;
}

.speed-option {
  padding: var(--spacing-xs) var(--spacing-sm);
  cursor: pointer;
  font-size: var(--font-size-small);
  color: rgba(255, 255, 255, 0.7);
  border-radius: 4px;
  transition: all var(--transition-duration-fast);
}

.speed-option:hover {
  background-color: rgba(102, 126, 234, 0.3);
  color: var(--color-blue-primary);
}

.speed-option.active {
  background-color: rgba(102, 126, 234, 0.5);
  color: var(--color-blue-primary);
  font-weight: var(--font-weight-semibold);
}

/* ========== FULLSCREEN BUTTON ========== */
.fullscreen-btn {
  margin-left: auto;
}

/* ========== PLAYER METADATA ========== */
.player-meta {
  background-color: var(--bg-secondary);
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-gray-light);
  font-size: var(--font-size-small);
  color: var(--text-secondary);
}

.file-info {
  margin: 0;
  font-family: var(--font-family-mono);
  color: var(--text-tertiary);
}

.file-info strong {
  color: var(--text-primary);
  font-weight: var(--font-weight-semibold);
}

/* ========== MEDIA EXPANDABLE SECTIONS ========== */
.media-expandable {
  border: var(--border-width-sm) solid var(--color-gray-light);
  border-radius: var(--border-radius-md);
  margin: var(--spacing-lg) 0;
}

.media-expandable > summary {
  padding: var(--spacing-lg);
  background-color: var(--bg-secondary);
  cursor: pointer;
  font-weight: var(--font-weight-semibold);
  user-select: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color var(--transition-duration);
}

.media-expandable > summary:hover {
  background-color: var(--color-gray-lighter);
}

.expansion-indicator {
  font-size: var(--font-size-small);
  color: var(--text-secondary);
  margin-left: var(--spacing-md);
}

.media-expandable[open] > summary {
  background-color: var(--color-gray-lighter);
  border-bottom: 1px solid var(--color-gray-light);
}

.media-expandable > div {
  padding: var(--spacing-lg);
  background-color: var(--bg-primary);
}

/* ========== LOADING STATES ========== */
.player-loading {
  position: relative;
  background: linear-gradient(
    90deg,
    var(--bg-secondary) 0%,
    var(--color-gray-lighter) 50%,
    var(--bg-secondary) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.player-buffering::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--color-blue-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ========== CAPTIONS ========== */
.player-captions {
  position: absolute;
  bottom: 60px;
  left: 0;
  right: 0;
  text-align: center;
  color: var(--color-white);
  font-size: var(--font-size-small);
  background-color: rgba(0, 0, 0, 0.7);
  padding: var(--spacing-sm);
}

.captions-btn.active {
  color: var(--color-blue-primary);
}

/* ========== BANDWIDTH SAVING MODE ========== */
.bandwidth-mode-toggle {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background-color: var(--color-amber-warning);
  border-radius: var(--border-radius-md);
  align-items: center;
  margin: var(--spacing-lg) 0;
}

.bandwidth-mode-toggle input {
  cursor: pointer;
}

.bandwidth-mode-toggle label {
  margin: 0;
  cursor: pointer;
  font-weight: var(--font-weight-semibold);
}

.bandwidth-mode-info {
  font-size: var(--font-size-small);
  color: var(--text-secondary);
  margin-top: var(--spacing-sm);
}

/* ========== RESPONSIVE MEDIA PLAYER ========== */
@media (max-width: 768px) {
  .player-controls-row {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .player-buttons {
    width: 100%;
    justify-content: space-around;
  }

  .player-settings {
    width: 100%;
    justify-content: space-around;
  }

  .speed-control {
    width: 100%;
  }

  .speed-menu {
    width: 100%;
    right: auto;
    left: 0;
    bottom: auto;
    top: 100%;
  }

  .player-btn {
    min-width: 44px;
    min-height: 44px;
    padding: 12px;
  }

  .volume-slider {
    width: 60px;
  }

  .player-time-display {
    font-size: var(--font-size-xs);
  }
}

@media (max-width: 480px) {
  .player-controls {
    padding: var(--spacing-sm);
  }

  .player-btn {
    min-width: 40px;
    min-height: 40px;
    padding: 10px;
    font-size: 0.9rem;
  }

  .speed-btn {
    padding: 4px 8px;
    font-size: var(--font-size-xs);
  }

  .volume-control {
    display: none;
  }

  .player-meta {
    font-size: var(--font-size-xs);
    padding: var(--spacing-sm);
  }
}

/* ========== TRANSCRIPT DISPLAY ========== */
.transcript-container {
  margin: var(--spacing-lg) 0;
  border: 1px solid var(--color-gray-light);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.transcript-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  background-color: var(--bg-secondary);
  cursor: pointer;
  user-select: none;
  transition: background-color var(--transition-duration-fast);
}

.transcript-header:hover {
  background-color: var(--color-gray-lighter);
}

.transcript-title {
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0;
  font-size: var(--font-size-body);
}

.transcript-toggle-btn {
  background-color: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-duration-fast), color var(--transition-duration-fast);
}

.transcript-toggle-btn:hover {
  color: var(--text-primary);
}

.transcript-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-duration) ease-out;
}

.transcript-content.expanded {
  max-height: 600px;
  overflow-y: auto;
}

.transcript-text {
  padding: var(--spacing-lg);
  background-color: var(--bg-primary);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-small);
  line-height: var(--line-height-relaxed);
  color: var(--text-primary);
  white-space: pre-wrap;
  word-wrap: break-word;
}

.transcript-timestamp {
  color: var(--color-blue-info);
  font-weight: var(--font-weight-semibold);
  margin-right: var(--spacing-sm);
  cursor: pointer;
  transition: color var(--transition-duration-fast);
}

.transcript-timestamp:hover {
  color: var(--color-blue-primary);
  text-decoration: underline;
}

.transcript-line {
  margin-bottom: var(--spacing-sm);
  padding: var(--spacing-xs) 0;
  border-left: 2px solid transparent;
  padding-left: var(--spacing-sm);
  transition: border-color var(--transition-duration-fast);
}

.transcript-line:hover {
  border-left-color: var(--color-blue-info);
}

.transcript-highlighted {
  background-color: rgba(102, 126, 234, 0.3);
  border-radius: 2px;
  padding: 2px 4px;
}

/* ========== MEDIA INFO SECTION ========== */
.media-info {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--color-gray-light);
  padding: var(--spacing-lg);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.media-info-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.media-info-label {
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.media-info-value {
  font-size: var(--font-size-body);
  color: var(--text-primary);
  font-family: var(--font-family-mono);
}

/* ========== AUDIO-ONLY TOGGLE ========== */
.audio-only-toggle-container {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  padding: var(--spacing-lg);
  background-color: rgba(255, 193, 7, 0.1);
  border: 1px solid rgba(255, 193, 7, 0.3);
  border-radius: var(--border-radius-md);
  margin: var(--spacing-lg) 0;
}

.audio-only-toggle-container input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.audio-only-info {
  flex: 1;
}

.audio-only-label {
  display: block;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.audio-only-description {
  font-size: var(--font-size-small);
  color: var(--text-secondary);
}

.audio-only-size {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  text-align: right;
  font-size: var(--font-size-small);
}

.size-label {
  color: var(--text-secondary);
}

.size-value {
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  font-family: var(--font-family-mono);
}

/* ========== DARK MODE OVERRIDES ========== */
@media (prefers-color-scheme: dark) {
  .player-controls {
    background-color: #222;
  }

  .player-meta {
    background-color: #2a2a2a;
    border-top-color: #444;
  }

  .speed-menu {
    background-color: #2a2a2a;
    border-color: #444;
  }

  .speed-option:hover {
    background-color: rgba(102, 126, 234, 0.3);
  }

  .media-expandable > summary {
    background-color: #2a2a2a;
    border-color: #444;
  }

  .media-expandable > summary:hover {
    background-color: #333;
  }

  .media-expandable > div {
    background-color: #1a1a1a;
  }

  .transcript-header {
    background-color: #2a2a2a;
    border-color: #444;
  }

  .transcript-header:hover {
    background-color: #333;
  }

  .transcript-text {
    background-color: #1a1a1a;
  }

  .media-info {
    background-color: #2a2a2a;
    border-top-color: #444;
  }

  .audio-only-toggle-container {
    background-color: rgba(255, 193, 7, 0.08);
    border-color: rgba(255, 193, 7, 0.2);
  }
}