/* ==========================================================================
   AITube Component Styles
   Filter bars, video cards, mindful player, notes editor, focus timer
   ========================================================================== */

/* Filter Bar */
.filter-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.filter-row {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.filter-row::-webkit-scrollbar {
  display: none;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--chip-bg);
  color: var(--chip-text);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
  cursor: pointer;
}

.filter-chip:hover {
  background: var(--bg-hover);
  color: var(--text-main);
  border-color: var(--border-focus);
}

.filter-chip.active {
  background: var(--chip-active-bg);
  color: var(--chip-active-text);
  border-color: var(--chip-active-bg);
  font-weight: 600;
}

.filter-chip .chip-count {
  font-size: 11px;
  opacity: 0.7;
  background: rgba(125, 125, 125, 0.2);
  padding: 1px 6px;
  border-radius: 10px;
}

/* Secondary controls (Multi-dimensional filters: Person, Org, Time, Duration, Sort) */
.sub-filter-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 8px;
  border-top: 1px dashed var(--border-subtle);
}

.sub-filter-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.sub-filter-group {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--text-muted);
}

.sub-filter-group label {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 10.5px;
  letter-spacing: 0.5px;
  color: var(--text-faint);
  margin-right: 2px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.filter-select {
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 12.5px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  transition: var(--transition);
  cursor: pointer;
  max-width: 170px;
}

.filter-select:hover {
  border-color: var(--border-focus);
}

.filter-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}

/* Active Filter Badges Row */
.active-filters-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 12px;
}

.active-filter-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-size: 11.5px;
}

.active-filter-tag .remove-btn {
  color: var(--text-faint);
  font-weight: 700;
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
}

.active-filter-tag .remove-btn:hover {
  color: #ef4444;
}

.clear-all-filters-btn {
  color: var(--accent);
  font-weight: 600;
  cursor: pointer;
  margin-left: auto;
  font-size: 11.5px;
}

.clear-all-filters-btn:hover {
  text-decoration: underline;
}

.card-meta-pills {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.meta-pill {
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--bg-secondary);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
  cursor: pointer;
}

.meta-pill:hover {
  background: var(--bg-tertiary);
  color: var(--text-main);
  border-color: var(--border-focus);
}

.meta-pill.pill-org {
  color: var(--cyan);
}

.meta-pill.pill-speaker {
  color: var(--emerald);
}

.meta-pill.pill-year {
  color: var(--amber);
}
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--text-muted);
}

.sub-filter-group label {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 10.5px;
  letter-spacing: 0.5px;
  color: var(--text-faint);
  margin-right: 4px;
}

.pill-btn {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  transition: var(--transition);
}

.pill-btn:hover {
  background: var(--bg-hover);
  color: var(--text-main);
}

.pill-btn.active {
  background: var(--bg-tertiary);
  color: var(--accent);
  border-color: var(--border-subtle);
  font-weight: 600;
}

.sort-select {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

/* Video Card */
.video-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
  position: relative;
}

.video-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-focus);
  box-shadow: var(--card-shadow);
}

.video-card.kbd-selected {
  outline: 2px solid var(--accent);
  border-color: var(--accent);
}

/* Thumbnail Wrapper */
.card-thumbnail-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--bg-secondary);
  overflow: hidden;
}

.card-thumbnail-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.2s ease, transform 0.3s ease;
}

.video-card:hover .card-thumbnail-img {
  transform: scale(1.02);
}

/* Overlays on thumbnail */
.badge-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(13, 15, 18, 0.85);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  backdrop-filter: blur(4px);
}

.badge-tag {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(13, 15, 18, 0.82);
  color: var(--text-main);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(4px);
}

.badge-level {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  padding: 2px 6px;
  border-radius: 4px;
  color: #fff;
}

.level-foundational { background: rgba(56, 189, 248, 0.85); }
.level-intermediate { background: rgba(52, 211, 153, 0.85); }
.level-advanced { background: rgba(167, 139, 250, 0.85); }
.level-visionary { background: rgba(251, 191, 36, 0.9); color: #120e09; }

/* Quick Hover Action overlay */
.card-quick-actions {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease;
}

.video-card:hover .card-quick-actions {
  opacity: 1;
  pointer-events: auto;
}

.quick-action-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(18, 21, 26, 0.9);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: transform 0.15s ease, background 0.15s ease;
}

.quick-action-btn:hover {
  transform: scale(1.1);
  background: var(--accent);
  border-color: var(--accent);
}

.quick-action-btn.active {
  color: var(--accent);
  border-color: var(--accent);
}

/* Card Body */
.card-content {
  padding: 14px 16px 16px 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-main);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 6px;
}

.card-channel {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
}

.card-channel .dot {
  font-size: 10px;
  color: var(--text-faint);
}

/* Why Inspiring Snippet */
.card-inspiring-callout {
  background: var(--bg-secondary);
  border-left: 2px solid var(--accent);
  border-radius: 0 4px 4px 0;
  padding: 8px 10px;
  margin-bottom: 12px;
  font-size: 12px;
  line-height: 1.45;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-style: italic;
}

.card-inspiring-callout strong {
  color: var(--text-main);
  font-style: normal;
  display: inline-block;
  margin-right: 4px;
}

.card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11.5px;
  color: var(--text-faint);
  padding-top: 8px;
  border-top: 1px solid var(--border-subtle);
}

.card-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.mini-tag {
  background: var(--bg-tertiary);
  color: var(--text-muted);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 11px;
}

/* ==========================================================================
   Mindful Player View
   Focused, zero-distraction view for deep study and reflection
   ========================================================================== */

.player-view-container {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 28px;
  max-width: 1540px;
  margin: 0 auto;
}

@media (max-width: 1080px) {
  .player-view-container {
    grid-template-columns: 1fr;
  }
}

.player-main-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Video Frame */
.video-frame-box {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  position: relative;
}

.video-frame-box iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Top indicator when playing alternative source (e.g. Bilibili) */
.player-top-indicator {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 40px;
  background: rgba(13, 15, 18, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  z-index: 25;
}

.source-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--accent);
  font-weight: 600;
}

.player-floating-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #ffffff;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 11.5px;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}

.player-floating-btn:hover {
  background: rgba(255, 255, 255, 0.22);
}

/* Embed Blocked / Fallback Card */
.embed-blocked-card {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
  overflow: hidden;
  user-select: none;
  background: #0d0f12;
}

.embed-blocked-bg {
  position: absolute;
  inset: -20px;
  background-size: cover;
  background-position: center;
  opacity: 0.22;
  filter: blur(28px);
  transform: scale(1.15);
}

.embed-blocked-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(13, 15, 18, 0.7) 0%, rgba(13, 15, 18, 0.95) 100%);
}

.embed-blocked-content {
  position: relative;
  z-index: 10;
  max-width: 500px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.embed-blocked-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.embed-blocked-title {
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.3px;
}

.embed-blocked-desc {
  font-size: 12.5px;
  color: #9aa4b2;
  line-height: 1.55;
  max-width: 440px;
}

.embed-blocked-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-primary-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: #ffffff;
  color: #0d0f12;
  border-radius: 20px;
  font-weight: 600;
  font-size: 12.5px;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(255, 255, 255, 0.15);
}

.btn-primary-action:hover {
  background: #e2e8f0;
  transform: translateY(-1px);
}

.btn-secondary-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  font-weight: 500;
  font-size: 12.5px;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}

.btn-secondary-action:hover {
  background: rgba(255, 255, 255, 0.2);
}

.embed-blocked-tip {
  font-size: 11px;
  color: #636e7b;
  margin-top: 6px;
}

/* Video Header in Player */
.player-video-header {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.player-title {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-main);
}

.player-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.player-channel-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.channel-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  color: var(--accent);
}

.channel-name {
  font-size: 15px;
  font-weight: 600;
}

.channel-details {
  font-size: 12.5px;
  color: var(--text-muted);
}

/* Player Action Buttons */
.player-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  transition: var(--transition);
}

.btn-action:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-focus);
}

.btn-action.active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent);
}

/* Deep Insights Accordion / Sections */
.insight-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 16px;
}

.insight-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.insight-card-title svg {
  color: var(--accent);
}

.inspiring-text {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-main);
  background: var(--accent-soft);
  padding: 16px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent);
}

.takeaways-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.takeaways-list li {
  position: relative;
  padding-left: 24px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-main);
}

.takeaways-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* Quote Card */
.quote-box {
  background: var(--bg-secondary);
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 20px;
  font-family: var(--font-serif);
  font-size: 15px;
  font-style: italic;
  line-height: 1.6;
  color: var(--text-main);
  margin-top: 14px;
}

/* Player Sidebar: Focus Timer + Notes */
.player-sidebar-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Focus Deep Work Timer */
.focus-timer-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}

.timer-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.timer-display {
  font-family: var(--font-mono);
  font-size: 38px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 1px;
}

.timer-display.pulsing {
  color: var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.75; }
}

.timer-presets {
  display: flex;
  gap: 6px;
}

.timer-preset-btn {
  padding: 4px 10px;
  font-size: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: var(--text-muted);
  transition: var(--transition);
}

.timer-preset-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-main);
}

.timer-controls {
  display: flex;
  gap: 8px;
  width: 100%;
}

.timer-main-btn {
  flex: 1;
  padding: 8px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 13px;
  transition: var(--transition);
}

.timer-main-btn:hover {
  background: var(--accent-hover);
}

.timer-reset-btn {
  padding: 8px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 13px;
}

/* Personal Study Notes Scratchpad */
.study-notes-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.notes-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.notes-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
}

.notes-status {
  font-size: 11px;
  color: var(--text-faint);
}

.notes-textarea {
  width: 100%;
  min-height: 180px;
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.55;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  resize: vertical;
}

.notes-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.notes-export-btn {
  font-size: 12px;
  color: var(--text-muted);
  padding: 4px 8px;
  border-radius: 4px;
}

.notes-export-btn:hover {
  color: var(--accent);
  background: var(--bg-secondary);
}

/* Curated Playlists Cards */
.playlist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
  margin-top: 20px;
}

.playlist-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.16s ease, border-color 0.16s ease;
  display: flex;
  flex-direction: column;
}

.playlist-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-focus);
}

.playlist-mosaic {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--bg-tertiary);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 1px;
  overflow: hidden;
}

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

.playlist-overlay-count {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(13, 15, 18, 0.9);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
  backdrop-filter: blur(4px);
}

.playlist-info {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.playlist-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.35;
}

.playlist-pitch {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--modal-overlay);
  backdrop-filter: blur(4px);
  z-index: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  max-width: 580px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 28px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  position: relative;
}

.modal-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  color: var(--text-faint);
}

.modal-close-btn:hover {
  color: var(--text-main);
}

.shortcuts-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

.shortcuts-table td {
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 13.5px;
}

.shortcuts-table td:first-child {
  width: 35%;
}