/* ============================================
   VenusSound - 视频播放器样式
   YouTube/Bilibili 嵌入 + 自托管视频
   ============================================ */

/* ============================================
   视频容器（通用）
   ============================================ */
.video-container {
  position: relative;
  width: 100%;
  margin: var(--spacing-xl) 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
}

.video-container:hover {
  border-color: var(--color-border-hover);
}

/* 响应式视频包装器 (16:9) */
.video-wrapper {
  position: relative;
  padding-top: 56.25%; /* 16:9 比例 */
  background: var(--color-bg-primary);
}

.video-wrapper iframe,
.video-wrapper video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ============================================
   视频封面（懒加载占位）
   ============================================ */
.video-cover {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-tertiary);
  cursor: pointer;
  z-index: 10;
  transition: opacity var(--transition-base);
}

.video-cover.hidden {
  opacity: 0;
  pointer-events: none;
}

.video-cover-image {
  position: absolute;
  inset: 0;
  object-fit: cover;
  opacity: 0.6;
  transition: opacity var(--transition-base);
}

.video-cover:hover .video-cover-image {
  opacity: 0.8;
}

/* 播放按钮 */
.video-play-btn {
  position: relative;
  width: 80px;
  height: 80px;
  background: rgba(0, 212, 255, 0.9);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  box-shadow: 0 0 30px var(--color-accent-cyan-glow);
  z-index: 2;
}

.video-play-btn::before {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 15px 0 15px 24px;
  border-color: transparent transparent transparent var(--color-bg-primary);
  margin-left: 5px;
}

.video-cover:hover .video-play-btn {
  transform: scale(1.1);
  box-shadow: 0 0 50px var(--color-accent-cyan-glow);
}

/* ============================================
   自托管视频播放器（自定义控件）
   ============================================ */
.custom-video-player {
  position: relative;
  background: var(--color-bg-primary);
}

.custom-video-player video {
  display: block;
  width: 100%;
  height: auto;
}

/* 视频控制栏 */
.video-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md) var(--spacing-lg);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, transparent 100%);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.custom-video-player:hover .video-controls,
.custom-video-player.playing .video-controls {
  opacity: 1;
}

/* 播放/暂停按钮 */
.video-control-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.video-control-btn:hover {
  color: var(--color-accent-cyan);
}

.video-control-btn svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* 进度条 */
.video-progress {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  cursor: pointer;
  position: relative;
}

.video-progress-fill {
  height: 100%;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
  transition: width 0.1s linear;
}

.video-progress-handle {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 14px;
  height: 14px;
  background: var(--color-accent-cyan);
  border-radius: var(--radius-full);
  opacity: 0;
  transition: opacity var(--transition-fast);
  box-shadow: 0 0 10px var(--color-accent-cyan-glow);
}

.video-progress:hover .video-progress-handle {
  opacity: 1;
}

/* 时间显示 */
.video-time {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  min-width: 90px;
  text-align: center;
}

/* 音量控制 */
.video-volume {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.video-volume-slider {
  width: 80px;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  cursor: pointer;
  position: relative;
}

.video-volume-fill {
  height: 100%;
  background: var(--color-text-primary);
  border-radius: var(--radius-full);
}

/* 全屏按钮 */
.video-fullscreen-btn {
  margin-left: auto;
}

/* ============================================
   视频信息区域
   ============================================ */
.video-info {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.video-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.video-description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ============================================
   视频列表/画廊
   ============================================ */
.video-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.video-gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  cursor: pointer;
}

.video-gallery-item:hover {
  border-color: var(--color-accent-cyan);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.video-gallery-thumbnail {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--color-bg-tertiary);
}

.video-gallery-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-gallery-thumbnail .video-play-btn {
  width: 50px;
  height: 50px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.video-gallery-thumbnail .video-play-btn::before {
  border-width: 10px 0 10px 16px;
  margin-left: 3px;
}

.video-gallery-info {
  padding: var(--spacing-md);
}

.video-gallery-title {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-gallery-duration {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ============================================
   视频平台标识
   ============================================ */
.video-platform-badge {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(0, 0, 0, 0.7);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-primary);
  z-index: 5;
}

.video-platform-badge.youtube {
  background: rgba(255, 0, 0, 0.8);
}

.video-platform-badge.bilibili {
  background: rgba(0, 161, 214, 0.8);
}

/* ============================================
   视频模态框
   ============================================ */
.video-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

.video-modal-content {
  position: relative;
  width: 100%;
  max-width: 1200px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

.video-modal.active .video-modal-content {
  transform: scale(1);
}

.video-modal-close {
  position: absolute;
  top: -50px;
  right: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.video-modal-close:hover {
  background: var(--color-accent-cyan);
  color: var(--color-bg-primary);
  border-color: var(--color-accent-cyan);
}

/* ============================================
   响应式调整
   ============================================ */
@media (max-width: 768px) {
  .video-controls {
    padding: var(--spacing-sm) var(--spacing-md);
    gap: var(--spacing-sm);
  }
  
  .video-control-btn {
    width: 32px;
    height: 32px;
  }
  
  .video-control-btn svg {
    width: 18px;
    height: 18px;
  }
  
  .video-time {
    display: none;
  }
  
  .video-volume-slider {
    width: 60px;
  }
  
  .video-play-btn {
    width: 60px;
    height: 60px;
  }
  
  .video-play-btn::before {
    border-width: 12px 0 12px 18px;
  }
  
  .video-modal {
    padding: var(--spacing-md);
  }
  
  .video-modal-close {
    top: -45px;
  }
}