/* 비디오 섹션 스타일 */
.videos-section {
    margin: 20px 0;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
}

.videos-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    padding: 5px 10px;
    background-color: #f5f5f5;
}

.videos-header h3 {
    margin: 0;
    font-size: 1rem;
    color: #333;
}

.toggle-button {
    background: none;
    border: none;
    cursor: pointer;
    color: #555;
    font-size: 1rem;
    padding: 5px 10px;
}

.toggle-icon {
    display: inline-block;
    transition: transform 0.3s ease;
}

.toggle-button[aria-expanded="true"] .toggle-icon {
    transform: rotate(180deg);
}

.videos-content {
    padding: 15px;
    background-color: #fff;
}

/* 비디오 탭 스타일 */
.video-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

.video-tab-button {
    padding: 6px 12px;
    border: 1px solid #ddd;
    border-radius: 15px;
    background-color: #f8f8f8;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.video-tab-button:hover {
    background-color: #eee;
}

.video-tab-button.active {
    background-color: #4a6ee0;
    color: #fff;
    border-color: #4a6ee0;
}

/* 비디오 그리드 스타일 */
.video-grid-container {
    position: relative;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

/* 비디오 아이템 스타일 */
.video-item {
    border: 1px solid #eee;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.video-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.video-thumbnail-container {
    position: relative;
    padding-top: 56.25%; /* 16:9 비율 */
    overflow: hidden;
    background-color: #f1f1f1;
}

.video-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 48px;
    height: 48px;
    background-color: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.video-play-button::after {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-left: 14px solid #fff;
    margin-left: 3px;
}

.video-info {
    padding: 12px;
}

.video-title {
    font-weight: 500;
    margin-bottom: 5px;
    font-size: 0.95rem;
    line-height: 1.3;
    max-height: 2.6em;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.video-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    font-size: 0.8rem;
    color: #666;
}

.video-meta span {
    display: inline-block;
    padding: 2px 5px;
    border-radius: 3px;
    background-color: #f5f5f5;
}

.video-category {
    background-color: #e8f0fe;
    color: #4a6ee0;
}

.video-language {
    background-color: #fff3cd;
    color: #856404;
}

.video-date {
    background-color: #f5f5f5;
    color: #666;
}

/* 다크 모드 전용 스타일 */
[data-theme="dark"] .videos-section {
    border: 1px solid var(--color-border);
}

[data-theme="dark"] .videos-header {
    background-color: var(--color-bg-card);
}

[data-theme="dark"] .videos-header h3 {
    color: var(--color-text);
}

[data-theme="dark"] .toggle-button {
    color: var(--color-light-text);
}

[data-theme="dark"] .videos-content {
    background-color: var(--color-bg-card);
}

[data-theme="dark"] .video-tab-button {
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-card);
    color: var(--color-text);
}

[data-theme="dark"] .video-tab-button:hover {
    background-color: var(--color-hover);
}

[data-theme="dark"] .video-tab-button.active {
    background-color: var(--color-primary);
    color: #000;
    border-color: var(--color-primary);
}

[data-theme="dark"] .video-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

[data-theme="dark"] .video-card:hover {
    box-shadow: 0 4px 12px rgba(255,255,255,0.1);
}

[data-theme="dark"] .video-title {
    color: var(--color-text);
}

[data-theme="dark"] .video-meta {
    color: var(--color-light-text);
}

[data-theme="dark"] .video-meta span {
    background-color: var(--color-hover);
    color: var(--color-text);
}

[data-theme="dark"] .video-category {
    background-color: #2a3a5a;
    color: #8bb8ff;
}

[data-theme="dark"] .video-language {
    background-color: #4a3a1a;
    color: #ffcc66;
}

[data-theme="dark"] .video-date {
    background-color: var(--color-hover);
    color: var(--color-light-text);
}

/* 반응형 스타일 */
@media (max-width: 768px) {
    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }
    
    .video-tabs {
        overflow-x: auto;
        padding-bottom: 10px;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }
    
    .video-tab-button {
        flex: 0 0 auto;
    }
}

@media (max-width: 480px) {
    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
    
    .video-info {
        padding: 8px;
    }
    
    .video-title {
        font-size: 0.85rem;
    }
    
    .video-meta {
        font-size: 0.75rem;
    }
}