/**
 * Video Player & Watch Page Styles
 *
 * Source equivalent: src/components/CustomVideoPlayer/CustomVideoPlayer.module.css
 * Covers: player container, facade, custom controls, branding overlays,
 *         watch page layout, comments, channel info, description.
 */

/* ============================================================
   Watch Page Layout
   Source: WatchPageClient.tsx — 2-column grid
   ============================================================ */
.watch-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem;
}

@media (max-width: 1024px) {
  .watch-layout {
    grid-template-columns: 1fr;
  }
}

.watch-main { min-width: 0; }

/* ============================================================
   Player Container
   ============================================================ */
.player-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 0.75rem;
  overflow: hidden;
  min-height: 200px;
  max-height: 80vh;
}
.player-container--fullscreen {
  border-radius: 0;
  aspect-ratio: auto;
  max-height: 100vh;
  position: fixed;
  inset: 0;
  z-index: 9999;
}
.player-container--vertical { aspect-ratio: 9 / 16; max-width: 500px; margin: 0 auto; max-height: 80vh; }
.player-container--43 { aspect-ratio: 4 / 3; }
.player-container--square { aspect-ratio: 1 / 1; max-height: 70vh; }
.player-container--ultrawide { aspect-ratio: 21 / 9; }

.player-container iframe,
.player-container video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

@media (max-width: 640px) {
  .player-container {
    border-radius: 0;
    max-height: 70vh;
  }
}

/* ============================================================
   Player Facade (Thumbnail + Play Button)
   Source: CustomVideoPlayer facade pattern
   ============================================================ */
.player-facade {
  position: absolute;
  inset: 0;
  cursor: pointer;
  z-index: 10;
}
.player-facade__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.player-facade:hover .player-facade__img {
  transform: scale(1.05);
}
.player-facade__play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: none;
  border: none;
  cursor: pointer;
  transition: transform 0.2s;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.5));
}
.player-facade:hover .player-facade__play {
  transform: translate(-50%, -50%) scale(1.1);
}

/* ============================================================
   YouTube Player Wrapper
   ============================================================ */
.player-yt-wrap {
  position: absolute;
  inset: 0;
}
.player-yt-wrap iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ============================================================
   Native Video
   ============================================================ */
.player-native__video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

/* ============================================================
   Branding Overlays
   Source: CustomVideoPlayer top/bottom gradient overlays
   ============================================================ */
.player-overlay {
  position: absolute;
  left: 0;
  right: 0;
  z-index: 5;
  pointer-events: none;
}
.player-overlay--top {
  top: 0;
  height: 60px;
  background: linear-gradient(to bottom, rgba(0,0,0,0.7) 0%, transparent 100%);
}
.player-overlay--bottom {
  bottom: 0;
  height: 80px;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 100%);
}
.player-overlay--init {
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.6);
  pointer-events: auto;
}
.player-overlay--buffer {
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
}
.player-overlay--end {
  inset: 0;
  background: rgba(0,0,0,0.85);
  pointer-events: auto;
  cursor: pointer;
}

/* Spinner */
.player-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255,255,255,0.2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: player-spin 0.8s ease-in-out infinite;
}
@keyframes player-spin {
  to { transform: rotate(360deg); }
}

/* ============================================================
   Click Area (play/pause toggle, excludes overlay zones)
   ============================================================ */
.player-click-area {
  position: absolute;
  top: 60px;
  left: 0;
  right: 0;
  bottom: 80px;
  z-index: 6;
  cursor: pointer;
}

/* ============================================================
   Custom Controls
   Source: CustomVideoPlayer controls bar
   ============================================================ */
.player-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 8;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 100%);
  padding: 0 0.75rem 0.5rem;
  opacity: 0;
  transition: opacity 0.3s;
}
.player-controls--visible,
.player-container:hover .player-controls {
  opacity: 1;
}

/* Progress Bar */
.player-controls__progress {
  padding: 0.5rem 0 0.375rem;
  cursor: pointer;
}
.player-controls__track {
  position: relative;
  height: 3px;
  background: rgba(255,255,255,0.3);
  border-radius: 2px;
  transition: height 0.15s;
}
.player-controls__progress:hover .player-controls__track {
  height: 5px;
}
.player-controls__fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: var(--primary);
  border-radius: 2px;
  width: 0%;
}
.player-controls__handle {
  position: absolute;
  top: 50%;
  left: 0%;
  width: 12px;
  height: 12px;
  background: var(--primary);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.15s;
}
.player-controls__progress:hover .player-controls__handle {
  transform: translate(-50%, -50%) scale(1);
}

/* Controls Bar */
.player-controls__bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.player-controls__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  border-radius: 50%;
  transition: background 0.15s;
  flex-shrink: 0;
}
.player-controls__btn:hover {
  background: rgba(255,255,255,0.1);
}

/* Volume */
.player-controls__volume {
  display: flex;
  align-items: center;
  position: relative;
}
.player-controls__vol-slider {
  width: 80px;
  margin-left: -4px;
}
.player-controls__vol-range {
  width: 100%;
  height: 3px;
  appearance: none;
  background: rgba(255,255,255,0.3);
  border-radius: 2px;
  outline: none;
}
.player-controls__vol-range::-webkit-slider-thumb {
  appearance: none;
  width: 12px;
  height: 12px;
  background: #fff;
  border-radius: 50%;
  cursor: pointer;
}

/* Time */
.player-controls__time {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.9);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.player-controls__spacer { flex: 1; }

@media (max-width: 640px) {
  .player-controls__btn { width: 32px; height: 32px; }
  .player-controls__time { font-size: 0.75rem; }
  .player-controls__vol-slider { display: none !important; }
}

/* ============================================================
   Watch Page — Title
   ============================================================ */
.watch-title {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 1rem 0 0.5rem;
}

/* ============================================================
   Watch Page — Stats Bar
   ============================================================ */
.watch-stats {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: var(--muted-fg);
  margin-bottom: 0.75rem;
}
.watch-stats__dot { opacity: 0.5; }
.watch-stats__category {
  color: var(--primary);
  font-weight: 500;
}
.watch-stats__category:hover { text-decoration: underline; }
.watch-stats__badge {
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}
.watch-stats__badge--gi { background: hsla(217 91% 60% / 0.2); color: #60a5fa; }
.watch-stats__badge--nogi { background: hsla(25 95% 53% / 0.2); color: #fb923c; }
.watch-stats__badge--difficulty { background: var(--secondary); color: var(--muted-fg); }

/* ============================================================
   Watch Page — Action Buttons
   Source: WatchPageClient actions bar
   ============================================================ */
.watch-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.75rem;
}

.watch-actions__votes {
  display: inline-flex;
  align-items: center;
  background: var(--secondary);
  border-radius: 999px;
  overflow: hidden;
}
.watch-actions__vote-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.75rem;
  background: none;
  border: none;
  color: var(--fg);
  cursor: pointer;
  font-size: 0.875rem;
  transition: background 0.15s;
}
.watch-actions__vote-btn:hover { background: rgba(255,255,255,0.05); }
.watch-actions__vote-btn--active { color: var(--primary); }
.watch-actions__divider {
  width: 1px;
  height: 24px;
  background: var(--border);
}

.watch-actions__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.75rem;
  background: var(--secondary);
  border: none;
  border-radius: 999px;
  color: var(--fg);
  font-size: 0.875rem;
  cursor: pointer;
  transition: background 0.15s;
  text-decoration: none;
}
.watch-actions__btn:hover { background: rgba(255,255,255,0.1); }
.watch-actions__btn--active { color: var(--primary); }
.watch-actions__btn--active svg { stroke: var(--primary); }

/* ============================================================
   Watch Page — Channel Info
   Source: WatchPageClient channel section
   ============================================================ */
.watch-channel {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.75rem;
}
.watch-channel__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.watch-channel__avatar img { width: 100%; height: 100%; object-fit: cover; }
.watch-channel__avatar-fallback {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--muted-fg);
}
.watch-channel__info { flex: 1; min-width: 0; }
.watch-channel__name {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-weight: 600;
  font-size: 1rem;
  color: var(--fg);
  text-decoration: none;
}
.watch-channel__name:hover { color: var(--primary); }
.watch-channel__meta {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--muted-fg);
  margin-top: 0.125rem;
}
.watch-channel__subscribe { flex-shrink: 0; }

/* ============================================================
   Watch Page — Description
   Source: WatchPageClient description with show more/less
   ============================================================ */
.watch-description {
  background: var(--secondary);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
}
.watch-description__text {
  font-size: 0.9375rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}
.watch-description__text--collapsed {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.watch-description__toggle {
  background: none;
  border: none;
  color: var(--muted-fg);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0;
  margin-top: 0.375rem;
}
.watch-description__toggle:hover { color: var(--fg); }

/* ============================================================
   Watch Page — Tags
   ============================================================ */
.watch-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-bottom: 1.5rem;
}

/* ============================================================
   Watch Page — Comments
   Source: VideoComments.tsx
   ============================================================ */
.watch-comments { margin-top: 1.5rem; }
.watch-comments__header {
  margin-bottom: 1rem;
}
.watch-comments__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
}

/* Comment form */
.watch-comments__form {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.watch-comments__form-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 600;
  color: var(--muted-fg);
}
.watch-comments__form-avatar img { width: 100%; height: 100%; object-fit: cover; }
.watch-comments__form-input { flex: 1; }
.watch-comments__form-input textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--fg);
  font-size: 0.9375rem;
  font-family: inherit;
  resize: none;
  padding: 0.5rem 0;
  outline: none;
}
.watch-comments__form-input textarea:focus {
  border-bottom-color: var(--fg);
}
.watch-comments__form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.5rem;
}
.watch-comments__form-actions > div {
  display: flex;
  gap: 0.5rem;
}
.watch-comments__char-count {
  font-size: 0.75rem;
  color: var(--muted-fg);
}

.watch-comments__signin {
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
  text-align: center;
  font-size: 0.9375rem;
  color: var(--muted-fg);
  margin-bottom: 1.5rem;
}
.watch-comments__signin a { color: var(--primary); font-weight: 500; }

.watch-comments__load-more {
  display: block;
  width: 100%;
  padding: 0.75rem;
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--primary);
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  text-align: center;
  margin-top: 1rem;
  transition: background 0.15s;
}
.watch-comments__load-more:hover { background: var(--card); }

/* ============================================================
   Comment Item
   Source: CommentItem in VideoComments.tsx
   ============================================================ */
.comment-item {
  display: flex;
  gap: 0.75rem;
  padding: 0.75rem 0;
}
.comment-item__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.comment-item__avatar img { width: 100%; height: 100%; object-fit: cover; }
.comment-item__avatar-fallback {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted-fg);
}
.comment-item__body { flex: 1; min-width: 0; }

.comment-item__header {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  flex-wrap: wrap;
  margin-bottom: 0.25rem;
}
.comment-item__author {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--fg);
  text-decoration: none;
}
.comment-item__author:hover { color: var(--primary); }
.comment-item__time {
  font-size: 0.75rem;
  color: var(--muted-fg);
}
.comment-item__edited {
  font-size: 0.75rem;
  color: var(--muted-fg);
  font-style: italic;
}

.comment-item__content {
  font-size: 0.9375rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  margin-bottom: 0.375rem;
}

.comment-item__actions {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.comment-item__vote-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  background: none;
  border: none;
  color: var(--muted-fg);
  font-size: 0.75rem;
  cursor: pointer;
  border-radius: 999px;
  transition: background 0.15s;
}
.comment-item__vote-btn:hover { background: var(--secondary); color: var(--fg); }
.comment-item__vote-count { font-variant-numeric: tabular-nums; }

.comment-item__reply-btn {
  padding: 0.25rem 0.75rem;
  background: none;
  border: none;
  color: var(--muted-fg);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: 999px;
  transition: background 0.15s;
}
.comment-item__reply-btn:hover { background: var(--secondary); color: var(--fg); }

.comment-item__show-replies {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.375rem 0;
  background: none;
  border: none;
  color: var(--primary);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  margin-top: 0.25rem;
}
.comment-item__show-replies:hover { text-decoration: underline; }

/* ============================================================
   Watch Page — Sidebar
   ============================================================ */
.watch-sidebar__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.watch-sidebar__list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (max-width: 1024px) {
  .watch-sidebar {
    margin-top: 2rem;
    border-top: 1px solid var(--border);
    padding-top: 1.5rem;
  }
  .watch-sidebar__list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .watch-sidebar__list {
    grid-template-columns: 1fr;
  }
}