/* ============================================
   Video Card V2 - 视频与文字分离设计
   现代简约风格 - 适配白色背景
   ============================================ */

/* 视频网格 */
.video-grid-v2 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 32px;
    padding: 20px 0;
}

/* 视频卡片 */
.video-card-v2 {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    border-radius: 12px;
    overflow: hidden;
    background: #fff;
    border: 1px solid #e8e8e8;
    transition: all 0.25s ease;
}

.video-card-v2:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
    border-color: transparent;
}

/* 缩略图区域 */
.video-card-v2 .thumb {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
}

.video-card-v2 .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.video-card-v2:hover .thumb img {
    transform: scale(1.03);
}

/* 播放按钮 - 透明圆形 */
.video-card-v2 .play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.video-card-v2 .play-btn svg {
    width: 24px;
    height: 24px;
    fill: #fff;
    margin-left: 3px;
}

.video-card-v2:hover .play-btn {
    background: rgba(0, 0, 0, 0.7);
    transform: translate(-50%, -50%) scale(1.1);
}

/* 时长标签 */
.video-card-v2 .duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 3px 6px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    font-family: 'Roboto Mono', 'SF Mono', monospace;
    letter-spacing: 0.3px;
}

/* NEW 标签 */
.video-card-v2 .badge-new {
    position: absolute;
    top: 10px;
    left: 10px;
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: #fff;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
    z-index: 2;
}

.video-card-v2 .badge-short {
    position: absolute;
    top: 10px;
    left: 10px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: #fff;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
    z-index: 2;
}

/* 如果同时有 NEW 和 SHORT 标签，调整位置 */
.video-card-v2 .thumb:has(.badge-new) .badge-short {
    top: 40px;
}

/* 内容区域 - 与缩略图分离 */
.video-card-v2 .content {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: #fff;
    border-top: 1px solid #f0f0f0;
}

/* 分类标签 */
.video-card-v2 .category {
    display: inline-flex;
    align-self: flex-start;
    background: linear-gradient(135deg, #eff6ff 0%, #e0f2fe 100%);
    color: #0369a1;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 标题 */
.video-card-v2 .title {
    font-size: 15px;
    font-weight: 600;
    color: #1a1a1a;
    line-height: 1.45;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s ease;
}

.video-card-v2:hover .title {
    color: #065fd4;
}

/* 描述 - 两行 */
.video-card-v2 .description {
    font-size: 13px;
    color: #666;
    line-height: 1.5;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 元信息 */
.video-card-v2 .meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: #888;
    margin-top: 2px;
}

.video-card-v2 .meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.video-card-v2 .meta-item svg {
    width: 13px;
    height: 13px;
    fill: #aaa;
}

/* 分隔点 */
.video-card-v2 .meta-dot {
    width: 3px;
    height: 3px;
    background: #ccc;
    border-radius: 50%;
}

/* ============================================
   响应式设计
   ============================================ */

@media (max-width: 1200px) {
    .video-grid-v2 {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .video-grid-v2 {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 20px;
    }
    
    .video-card-v2 .content {
        padding: 14px;
    }
    
    .video-card-v2 .title {
        font-size: 14px;
    }
    
    .video-card-v2 .play-btn {
        width: 48px;
        height: 48px;
    }
    
    .video-card-v2 .play-btn svg {
        width: 18px;
        height: 18px;
    }
}

@media (max-width: 480px) {
    .video-grid-v2 {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* ============================================
   动画效果
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.video-card-v2 {
    animation: fadeInUp 0.35s ease forwards;
}

.video-card-v2:nth-child(1) { animation-delay: 0.03s; }
.video-card-v2:nth-child(2) { animation-delay: 0.06s; }
.video-card-v2:nth-child(3) { animation-delay: 0.09s; }
.video-card-v2:nth-child(4) { animation-delay: 0.12s; }
.video-card-v2:nth-child(5) { animation-delay: 0.15s; }
.video-card-v2:nth-child(6) { animation-delay: 0.18s; }

/* ============================================
   减少动画（无障碍）
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    .video-card-v2,
    .video-card-v2 .thumb img,
    .video-card-v2 .play-btn {
        animation: none;
        transition: none;
    }
}