/* ============================================
   VIDEOS LIBRARY PAGE STYLES
   ============================================ */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    --youtube-red: #ff0000;
    --youtube-dark-red: #cc0000;
    --youtube-hover: rgba(255, 0, 0, 0.1);
    /* Primary colors from logo */
    --takwin-primary: #2E7CE4; /* Vibrant blue from logo circle */
    --takwin-secondary: #4CAF50; /* Bright green from logo elements */
    --takwin-accent: #66BB6A; /* Lighter green accent */
    /* Supporting colors */
    --takwin-light: #f8f9fa; /* Clean light background */
    --takwin-dark: #212529; /* Dark text/elements */
    --takwin-white: #ffffff; /* Pure white from logo background */
    --takwin-gray: #6c757d;
    --takwin-border: #dee2e6;
    /* Status colors */
    --takwin-success: #4CAF50; /* Using the green from logo */
    --takwin-warning: #FF9800; /* Complementary orange */
    --takwin-error: #f44336; /* Keep existing error color */
    /* Additional brand colors */
    --takwin-blue-light: #E3F2FD; /* Light blue tint */
    --takwin-green-light: #E8F5E8; /* Light green tint */
    --takwin-blue-dark: #1976D2; /* Darker blue shade */
    --takwin-green-dark: #388E3C; /* Darker green shade */
    /* Layout properties */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --box-shadow: 0 4px 12px rgba(46, 124, 228, 0.1);
    --box-shadow-sm: 0 2px 8px rgba(46, 124, 228, 0.08);
    --box-shadow-lg: 0 8px 25px rgba(46, 124, 228, 0.15);
    --transition-fast: all 0.3s ease;
    --header-height: 80px;
    /* Gradients inspired by logo */
    --gradient-primary: linear-gradient(135deg, #2E7CE4 0%, #4CAF50 100%);
    --gradient-light: linear-gradient(135deg, #E3F2FD 0%, #E8F5E8 100%);
}

/* ============================================
   PAGE LAYOUT
   ============================================ */
.videos-library-page {
    background: var(--takwin-light);
    min-height: 100vh;
}

    .videos-library-page .breadcrumb-section {
        background: white;
        padding: 1rem 0;
        border-bottom: 1px solid var(--takwin-border);
    }

    .videos-library-page .page-header {
        background: var(--gradient-primary);
        color: white;
        padding: 3rem 0;
    }

    .videos-library-page .header-content {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 2rem;
    }

    .videos-library-page .header-main {
        flex: 1;
    }

    .videos-library-page .page-title {
        font-size: 2.5rem;
        font-weight: 700;
        margin-bottom: 1rem;
        display: flex;
        align-items: center;
        gap: 1rem;
    }

        .videos-library-page .page-title i {
            color: white;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }

    .videos-library-page .page-subtitle {
        font-size: 1.1rem;
        color: rgba(255,255,255,0.9);
        line-height: 1.6;
        max-width: 600px;
    }

    .videos-library-page .header-stats {
        display: flex;
        gap: 2rem;
        flex-wrap: wrap;
    }

        .videos-library-page .header-stats .stat-item {
            text-align: center;
            padding: 1rem;
            background: rgba(255,255,255,0.1);
            border-radius: var(--border-radius);
            min-width: 100px;
            backdrop-filter: blur(10px);
        }

        .videos-library-page .header-stats .stat-value {
            font-size: 2rem;
            font-weight: 700;
            color: white;
            line-height: 1;
        }

        .videos-library-page .header-stats .stat-label {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.8);
            margin-top: 0.25rem;
        }

    .videos-library-page .main-content {
        padding: 3rem 0;
    }

    /* ============================================
   SIDEBAR STYLES
   ============================================ */
    .videos-library-page .videos-sidebar {
        position: sticky;
        top: calc(var(--header-height) + 2rem);
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
    }

    .videos-library-page .filter-card,
    .videos-library-page .recent-card,
    .videos-library-page .playlist-card {
        background: white;
        border: 1px solid var(--takwin-border);
        border-radius: var(--border-radius);
        box-shadow: var(--box-shadow-sm);
        overflow: hidden;
    }

    .videos-library-page .filter-header,
    .videos-library-page .recent-header,
    .videos-library-page .playlist-header {
        background: var(--takwin-blue-light);
        padding: 1rem 1.5rem;
        border-bottom: 1px solid var(--takwin-border);
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }

        .videos-library-page .filter-header i,
        .videos-library-page .recent-header i,
        .videos-library-page .playlist-header i {
            color: var(--takwin-primary);
            font-size: 1rem;
        }

        .videos-library-page .filter-header h4,
        .videos-library-page .recent-header h4,
        .videos-library-page .playlist-header h4 {
            margin: 0;
            font-size: 1rem;
            font-weight: 600;
            color: var(--takwin-dark);
        }

    .videos-library-page .filter-body,
    .videos-library-page .recent-body,
    .videos-library-page .playlist-body {
        padding: 1.5rem;
    }

    /* Search Input */
    .videos-library-page .search-group {
        position: relative;
    }

    .videos-library-page .search-input {
        width: 100%;
        padding: 0.75rem 3rem 0.75rem 1rem;
        border: 2px solid var(--takwin-border);
        border-radius: var(--border-radius);
        font-size: 0.95rem;
        transition: var(--transition-fast);
    }

        .videos-library-page .search-input:focus {
            outline: none;
            border-color: var(--takwin-primary);
            box-shadow: 0 0 0 3px rgba(46, 124, 228, 0.1);
        }

    .videos-library-page .search-btn {
        position: absolute;
        left: 10px;
        top: 50%;
        transform: translateY(-50%);
        background: none;
        border: none;
        color: var(--takwin-gray);
        cursor: pointer;
        padding: 0.5rem;
        border-radius: 4px;
        transition: var(--transition-fast);
    }

        .videos-library-page .search-btn:hover {
            color: var(--takwin-primary);
            background: var(--takwin-blue-light);
        }

    /* Filter Options */
    .videos-library-page .filter-option {
        margin-bottom: 1rem;
    }

        .videos-library-page .filter-option:last-child {
            margin-bottom: 0;
        }

        .videos-library-page .filter-option input[type="radio"] {
            display: none;
        }

        .videos-library-page .filter-option label {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.75rem 1rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            transition: var(--transition-fast);
            border: 1px solid transparent;
        }

            .videos-library-page .filter-option label:hover {
                background: var(--takwin-blue-light);
            }

        .videos-library-page .filter-option input[type="radio"]:checked + label {
            background: rgba(46, 124, 228, 0.1);
            border-color: var(--takwin-primary);
            color: var(--takwin-primary);
        }

    .videos-library-page .option-text {
        font-weight: 500;
    }

    .videos-library-page .option-count {
        font-size: 0.85rem;
        color: var(--takwin-gray);
        background: var(--takwin-light);
        padding: 0.25rem 0.5rem;
        border-radius: 12px;
        min-width: 24px;
        text-align: center;
    }

    .videos-library-page .filter-option input[type="radio"]:checked + label .option-count {
        background: var(--takwin-primary);
        color: white;
    }

    /* ============================================
   RECENT VIDEOS SIDEBAR
   ============================================ */
    .videos-library-page .recent-item {
        display: flex;
        gap: 1rem;
        padding: 0.75rem;
        border-radius: var(--border-radius);
        cursor: pointer;
        transition: var(--transition-fast);
        margin-bottom: 1rem;
    }

        .videos-library-page .recent-item:hover {
            background: var(--takwin-blue-light);
        }

    .videos-library-page .recent-thumbnail {
        position: relative;
        width: 80px;
        height: 60px;
        border-radius: 6px;
        overflow: hidden;
        flex-shrink: 0;
    }

        .videos-library-page .recent-thumbnail img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .videos-library-page .recent-thumbnail .play-overlay {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: rgba(0,0,0,0.8);
            color: white;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            opacity: 0;
            transition: var(--transition-fast);
        }

    .videos-library-page .recent-item:hover .play-overlay {
        opacity: 1;
    }

    .videos-library-page .recent-thumbnail .video-duration {
        position: absolute;
        bottom: 4px;
        right: 4px;
        background: rgba(0,0,0,0.8);
        color: white;
        padding: 2px 4px;
        border-radius: 3px;
        font-size: 0.7rem;
        font-weight: 500;
    }

    .videos-library-page .recent-info {
        flex: 1;
        min-width: 0;
    }

        .videos-library-page .recent-info h5 {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--takwin-dark);
            margin-bottom: 0.25rem;
            line-height: 1.3;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .videos-library-page .recent-info small {
            font-size: 0.75rem;
            color: var(--takwin-gray);
            display: block;
            line-height: 1.2;
        }

    .videos-library-page .recent-date {
        color: var(--takwin-primary) !important;
    }

    /* ============================================
   PLAYLIST SIDEBAR
   ============================================ */
    .videos-library-page .playlist-item {
        display: flex;
        align-items: center;
        gap: 1rem;
        padding: 0.75rem;
        border-radius: var(--border-radius);
        cursor: pointer;
        transition: var(--transition-fast);
        margin-bottom: 1rem;
    }

        .videos-library-page .playlist-item:hover {
            background: var(--takwin-blue-light);
        }

    .videos-library-page .playlist-icon {
        position: relative;
        width: 40px;
        height: 40px;
        background: var(--takwin-blue-light);
        border-radius: var(--border-radius);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--takwin-primary);
        flex-shrink: 0;
    }

        .videos-library-page .playlist-icon .video-count {
            position: absolute;
            top: -5px;
            right: -5px;
            background: var(--takwin-primary);
            color: white;
            font-size: 0.7rem;
            padding: 2px 4px;
            border-radius: 8px;
            min-width: 16px;
            text-align: center;
        }

    .videos-library-page .playlist-info {
        flex: 1;
        min-width: 0;
    }

        .videos-library-page .playlist-info h6 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--takwin-dark);
            margin-bottom: 0.25rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .videos-library-page .playlist-info small {
            font-size: 0.75rem;
            color: var(--takwin-gray);
            line-height: 1.3;
        }

    /* ============================================
   VIDEOS CONTENT
   ============================================ */
    .videos-library-page .videos-content {
        background: white;
        border-radius: var(--border-radius-lg);
        box-shadow: var(--box-shadow-sm);
        overflow: hidden;
    }

    .videos-library-page .library-header {
        padding: 2rem;
        border-bottom: 1px solid var(--takwin-border);
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .videos-library-page .library-title h2 {
        color: var(--takwin-dark);
        font-size: 1.5rem;
        font-weight: 600;
        margin-bottom: 0.25rem;
    }

    .videos-library-page .library-title p {
        color: var(--takwin-gray);
        margin: 0;
        font-size: 0.9rem;
    }

    .videos-library-page .view-controls {
        display: flex;
        align-items: center;
        gap: 1rem;
    }

    .videos-library-page .sort-dropdown .form-select {
        border: 1px solid var(--takwin-border);
        border-radius: var(--border-radius);
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
        min-width: 150px;
        background: white;
        color: var(--takwin-dark);
    }

        .videos-library-page .sort-dropdown .form-select:focus {
            outline: none;
            border-color: var(--takwin-primary);
            box-shadow: 0 0 0 3px rgba(46, 124, 228, 0.1);
        }

    .videos-library-page .view-mode-toggles {
        display: flex;
        border: 1px solid var(--takwin-border);
        border-radius: var(--border-radius);
        overflow: hidden;
    }

    .videos-library-page .view-btn {
        background: white;
        border: none;
        padding: 0.5rem 0.75rem;
        cursor: pointer;
        transition: var(--transition-fast);
        color: var(--takwin-gray);
        font-size: 0.9rem;
    }

        .videos-library-page .view-btn:hover {
            background: var(--takwin-blue-light);
            color: var(--takwin-primary);
        }

        .videos-library-page .view-btn.active {
            background: var(--takwin-primary);
            color: white;
        }

    /* ============================================
   COURSE SECTIONS
   ============================================ */
    .videos-library-page .course-section {
        margin-bottom: 3rem;
        padding: 2rem;
    }

    .videos-library-page .course-header {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        margin-bottom: 2rem;
        padding-bottom: 1rem;
        border-bottom: 2px solid var(--takwin-blue-light);
    }

    .videos-library-page .course-info h3 {
        color: var(--takwin-primary);
        font-size: 1.25rem;
        font-weight: 600;
        margin-bottom: 0.5rem;
    }

    .videos-library-page .course-info p {
        color: var(--takwin-gray);
        margin-bottom: 1rem;
        line-height: 1.5;
    }

    .videos-library-page .course-stats {
        display: flex;
        gap: 1rem;
        flex-wrap: wrap;
    }

        .videos-library-page .course-stats .stat {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: var(--takwin-gray);
        }

            .videos-library-page .course-stats .stat i {
                color: var(--takwin-primary);
            }

    /* ============================================
   VIDEO GRID VIEW
   ============================================ */
    .videos-library-page .videos-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 1.5rem;
    }

    .videos-library-page .video-card {
        background: white;
        border: 1px solid var(--takwin-border);
        border-radius: var(--border-radius-lg);
        overflow: hidden;
        box-shadow: var(--box-shadow-sm);
        transition: var(--transition-fast);
        cursor: pointer;
    }

        .videos-library-page .video-card:hover {
            box-shadow: var(--box-shadow);
            transform: translateY(-2px);
        }

    .videos-library-page .video-thumbnail {
        position: relative;
        width: 100%;
        height: 180px;
        overflow: hidden;
    }

        .videos-library-page .video-thumbnail img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

    .videos-library-page .video-card:hover .video-thumbnail img {
        transform: scale(1.05);
    }

    .videos-library-page .video-thumbnail .play-overlay {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        background: rgba(0,0,0,0.8);
        color: white;
        width: 60px;
        height: 60px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        opacity: 0;
        transition: var(--transition-fast);
    }

    .videos-library-page .video-card:hover .play-overlay {
        opacity: 1;
    }

    .videos-library-page .video-thumbnail .video-duration {
        position: absolute;
        bottom: 8px;
        right: 8px;
        background: rgba(0,0,0,0.8);
        color: white;
        padding: 4px 6px;
        border-radius: 4px;
        font-size: 0.8rem;
        font-weight: 500;
    }

    .videos-library-page .video-thumbnail .quality-badge {
        position: absolute;
        top: 8px;
        right: 8px;
        background: var(--takwin-primary);
        color: white;
        padding: 2px 6px;
        border-radius: 4px;
        font-size: 0.7rem;
        font-weight: 600;
    }

    .videos-library-page .video-thumbnail .new-badge {
        position: absolute;
        top: 8px;
        left: 8px;
        background: var(--takwin-accent);
        color: white;
        padding: 2px 6px;
        border-radius: 4px;
        font-size: 0.7rem;
        font-weight: 600;
        animation: pulse 2s infinite;
    }

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

.videos-library-page .video-content {
    padding: 1.5rem;
}

.videos-library-page .video-title {
    color: var(--takwin-dark);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.videos-library-page .video-instructor {
    color: var(--takwin-primary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.videos-library-page .video-stats {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--takwin-gray);
    margin-bottom: 1rem;
}

    .videos-library-page .video-stats span {
        display: flex;
        align-items: center;
        gap: 0.25rem;
    }

    .videos-library-page .video-stats i {
        color: var(--takwin-primary);
    }

.videos-library-page .video-actions {
    display: flex;
    gap: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--takwin-border);
}

    .videos-library-page .video-actions .btn {
        flex: 1;
        padding: 0.5rem;
        font-size: 0.85rem;
        border-radius: var(--border-radius);
        font-weight: 500;
        transition: var(--transition-fast);
    }

/* ============================================
   VIDEO LIST VIEW
   ============================================ */
.videos-library-page .videos-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.videos-library-page .video-row {
    display: flex;
    align-items: center;
    padding: 1.5rem;
    border: 1px solid var(--takwin-border);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
    cursor: pointer;
}

    .videos-library-page .video-row:hover {
        background: var(--takwin-blue-light);
        box-shadow: var(--box-shadow-sm);
        border-color: var(--takwin-primary);
    }

.videos-library-page .video-thumbnail-wrapper {
    position: relative;
    width: 120px;
    height: 90px;
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-left: 1rem;
    flex-shrink: 0;
}

    .videos-library-page .video-thumbnail-wrapper img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .videos-library-page .video-thumbnail-wrapper .play-overlay {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        background: rgba(0,0,0,0.8);
        color: white;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1rem;
        opacity: 0;
        transition: var(--transition-fast);
    }

.videos-library-page .video-row:hover .play-overlay {
    opacity: 1;
}

.videos-library-page .video-thumbnail-wrapper .video-duration {
    position: absolute;
    bottom: 4px;
    right: 4px;
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 2px 4px;
    border-radius: 3px;
    font-size: 0.7rem;
    font-weight: 500;
}

.videos-library-page .video-info {
    flex: 1;
}

    .videos-library-page .video-info h4 {
        color: var(--takwin-dark);
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: 0.25rem;
        line-height: 1.4;
    }

    .videos-library-page .video-info p {
        color: var(--takwin-primary);
        font-size: 0.9rem;
        margin-bottom: 0.25rem;
        font-weight: 500;
    }

    .videos-library-page .video-info small {
        color: var(--takwin-gray);
        font-size: 0.8rem;
    }

.videos-library-page .video-row .video-stats {
    display: flex;
    gap: 2rem;
    margin: 0 2rem;
}

.videos-library-page .video-row .stat {
    text-align: center;
    min-width: 60px;
}

.videos-library-page .stat-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--takwin-primary);
    line-height: 1;
}

.videos-library-page .stat-label {
    font-size: 0.8rem;
    color: var(--takwin-gray);
    margin-top: 0.25rem;
}

.videos-library-page .video-row .video-actions {
    flex-shrink: 0;
    gap: 0.25rem;
    padding: 0;
    border: none;
}

    .videos-library-page .video-row .video-actions .btn {
        min-width: 36px;
        padding: 0.5rem;
        flex: none;
    }

/* ============================================
   VIDEO PLAYER SECTION
   ============================================ */
.videos-library-page .video-player-section {
    padding: 2rem;
}

.videos-library-page .video-player-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    margin-bottom: 2rem;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

    .videos-library-page .video-player-container.theater-mode {
        padding-bottom: 75%; /* Larger aspect ratio for theater mode */
    }

.videos-library-page .video-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

    .videos-library-page .video-wrapper iframe {
        width: 100%;
        height: 100%;
        border: none;
    }

.videos-library-page .video-loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10;
    color: white;
}

.videos-library-page .loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255,255,255,0.3);
    border-top: 4px solid var(--takwin-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.videos-library-page .video-loading p {
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
}

/* ============================================
   VIDEO INFO SECTION
   ============================================ */
.videos-library-page .video-info-section {
    margin-bottom: 3rem;
}

.videos-library-page .video-main-info {
    margin-bottom: 2rem;
}

.videos-library-page .video-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--takwin-dark);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.videos-library-page .video-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.videos-library-page .video-stats {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

    .videos-library-page .video-stats span {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        font-size: 0.9rem;
        color: var(--takwin-gray);
    }

    .videos-library-page .video-stats i {
        color: var(--takwin-primary);
    }

.videos-library-page .video-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

    .videos-library-page .video-actions .btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
        border-radius: var(--border-radius);
        font-weight: 500;
        transition: var(--transition-fast);
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

.videos-library-page .video-details {
    background: var(--takwin-blue-light);
    padding: 2rem;
    border-radius: var(--border-radius);
}

.videos-library-page .instructor-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--takwin-border);
}

.videos-library-page .instructor-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

    .videos-library-page .instructor-avatar img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

.videos-library-page .instructor-details h4 {
    color: var(--takwin-dark);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.videos-library-page .instructor-details p {
    color: var(--takwin-primary);
    font-size: 0.9rem;
    margin: 0;
    font-weight: 500;
}

.videos-library-page .video-description {
    margin-bottom: 2rem;
}

    .videos-library-page .video-description h5 {
        color: var(--takwin-dark);
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: 1rem;
    }

.videos-library-page .description-content {
    color: var(--takwin-gray);
    line-height: 1.6;
    max-height: 80px;
    overflow: hidden;
    transition: var(--transition-fast);
}

    .videos-library-page .description-content.expanded {
        max-height: none;
    }

    .videos-library-page .description-content p {
        margin-bottom: 1rem;
    }

.videos-library-page .expand-btn {
    color: var(--takwin-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 0.9rem;
}

    .videos-library-page .expand-btn:hover {
        text-decoration: underline;
    }

.videos-library-page .video-tags {
    margin-top: 1rem;
}

    .videos-library-page .video-tags h6 {
        color: var(--takwin-dark);
        font-size: 0.9rem;
        font-weight: 600;
        margin-bottom: 0.5rem;
    }

.videos-library-page .tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.videos-library-page .tag {
    background: rgba(46, 124, 228, 0.1);
    color: var(--takwin-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* ============================================
   RELATED VIDEOS SECTION
   ============================================ */
.videos-library-page .related-videos-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--takwin-border);
}

    .videos-library-page .related-videos-section h3 {
        color: var(--takwin-dark);
        font-size: 1.25rem;
        font-weight: 600;
        margin-bottom: 2rem;
    }

.videos-library-page .related-videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}

.videos-library-page .related-video-card {
    background: white;
    border: 1px solid var(--takwin-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-fast);
}

    .videos-library-page .related-video-card:hover {
        box-shadow: var(--box-shadow-sm);
        transform: translateY(-2px);
    }

    .videos-library-page .related-video-card .video-thumbnail {
        height: 140px;
    }

    .videos-library-page .related-video-card .video-info {
        padding: 1rem;
    }

        .videos-library-page .related-video-card .video-info h5 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--takwin-dark);
            margin-bottom: 0.5rem;
            line-height: 1.3;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .videos-library-page .related-video-card .video-info p {
            color: var(--takwin-primary);
            font-size: 0.8rem;
            margin-bottom: 0.5rem;
            font-weight: 500;
        }

    .videos-library-page .related-video-card .video-stats {
        display: flex;
        justify-content: space-between;
        font-size: 0.75rem;
        color: var(--takwin-gray);
    }

/* ============================================
   LOADING AND EMPTY STATES
   ============================================ */
.videos-library-page .loading-state {
    text-align: center;
    padding: 4rem 2rem;
}

    .videos-library-page .loading-state .loading-spinner {
        margin: 0 auto 1rem auto;
    }

    .videos-library-page .loading-state h4 {
        color: var(--takwin-primary);
        margin: 1rem 0;
        font-weight: 600;
    }

.videos-library-page .empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.videos-library-page .empty-icon {
    margin-bottom: 2rem;
}

    .videos-library-page .empty-icon i {
        font-size: 4rem;
        color: var(--takwin-gray);
        opacity: 0.5;
    }

.videos-library-page .empty-state h3 {
    color: var(--takwin-dark);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.videos-library-page .empty-state p {
    color: var(--takwin-gray);
    margin-bottom: 2rem;
    line-height: 1.6;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 992px) {
    .videos-library-page .header-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .videos-library-page .header-stats {
        width: 100%;
        justify-content: space-around;
    }

    .videos-library-page .videos-sidebar {
        position: static;
        margin-bottom: 2rem;
    }

    .videos-library-page .library-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .videos-library-page .view-controls {
        width: 100%;
        justify-content: space-between;
    }

    .videos-library-page .course-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .videos-library-page .video-meta {
        flex-direction: column;
        align-items: flex-start;
    }

    .videos-library-page .video-actions {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .videos-library-page .page-title {
        font-size: 2rem;
        flex-direction: column;
        gap: 0.5rem;
    }

    .videos-library-page .header-stats {
        gap: 1rem;
    }

        .videos-library-page .header-stats .stat-item {
            min-width: 80px;
            padding: 0.75rem;
        }

    .videos-library-page .main-content {
        padding: 2rem 0;
    }

    .videos-library-page .videos-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .videos-library-page .related-videos-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }

    .videos-library-page .video-row {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .videos-library-page .video-thumbnail-wrapper {
        margin: 0;
        width: 200px;
        height: 150px;
    }

    .videos-library-page .video-row .video-stats {
        justify-content: center;
        margin: 0;
        gap: 1rem;
    }

    .videos-library-page .video-row .video-actions {
        justify-content: center;
    }

    .videos-library-page .video-player-container.theater-mode {
        padding-bottom: 56.25%;
    }

    .videos-library-page .video-details {
        padding: 1rem;
    }

    .videos-library-page .instructor-info {
        flex-direction: column;
        text-align: center;
    }

    .videos-library-page .view-controls {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }

    .videos-library-page .view-mode-toggles {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .videos-library-page .header-stats {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }

        .videos-library-page .header-stats .stat-item {
            width: 100%;
        }

    .videos-library-page .filter-body,
    .videos-library-page .recent-body,
    .videos-library-page .playlist-body {
        padding: 1rem;
    }

    .videos-library-page .course-section {
        padding: 1rem;
    }

    .videos-library-page .video-content {
        padding: 1rem;
    }

    .videos-library-page .video-player-section {
        padding: 1rem;
    }

    .videos-library-page .library-header {
        padding: 1rem;
    }

    .videos-library-page .sort-dropdown .form-select {
        width: 100%;
    }

    .videos-library-page .related-videos-grid {
        grid-template-columns: 1fr;
    }

    .videos-library-page .recent-thumbnail {
        width: 60px;
        height: 45px;
    }

    .videos-library-page .video-stats {
        flex-direction: column;
        gap: 0.5rem;
    }

    .videos-library-page .video-actions {
        flex-direction: column;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.videos-library-page .video-card,
.videos-library-page .video-row,
.videos-library-page .course-section {
    animation: slideInUp 0.3s ease-out;
}

    .videos-library-page .video-card:nth-child(1) {
        animation-delay: 0.1s;
    }

    .videos-library-page .video-card:nth-child(2) {
        animation-delay: 0.2s;
    }

    .videos-library-page .video-card:nth-child(3) {
        animation-delay: 0.3s;
    }

    .videos-library-page .video-card:nth-child(4) {
        animation-delay: 0.4s;
    }

/* ============================================
   ACCESSIBILITY
   ============================================ */
.videos-library-page .form-control:focus,
.videos-library-page .btn:focus,
.videos-library-page .search-input:focus,
.videos-library-page .view-btn:focus {
    outline: 2px solid var(--takwin-accent);
    outline-offset: 2px;
}

.videos-library-page .video-card:focus,
.videos-library-page .video-row:focus,
.videos-library-page .recent-item:focus {
    outline: 2px solid var(--takwin-accent);
    outline-offset: 2px;
}

/* Screen reader only content */
.videos-library-page .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .videos-library-page .videos-sidebar,
    .videos-library-page .video-actions,
    .videos-library-page .view-controls,
    .videos-library-page .video-player-container {
        display: none;
    }

    .videos-library-page {
        background: white;
    }

        .videos-library-page .videos-content {
            box-shadow: none;
            border: 1px solid #ddd;
        }

        .videos-library-page .video-card,
        .videos-library-page .video-row {
            break-inside: avoid;
            page-break-inside: avoid;
        }

        .videos-library-page .videos-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */
.videos-library-page .video-card {
    will-change: transform, box-shadow;
}

.videos-library-page .view-btn,
.videos-library-page .btn {
    will-change: background-color, color;
}

.videos-library-page .video-thumbnail img {
    will-change: transform;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    .videos-library-page .video-card,
    .videos-library-page .video-row,
    .videos-library-page .course-section {
        animation: none;
    }

        .videos-library-page .video-card:hover {
            transform: none;
        }

    .videos-library-page .video-thumbnail img {
        transition: none;
    }

    .videos-library-page .new-badge {
        animation: none;
    }

    .videos-library-page .loading-spinner {
        animation: none;
        border: 4px solid var(--takwin-primary);
    }
}

.videos-library-page .btn-primary {
  background: var(--takwin-primary);
  color: white;
  border-color: var(--takwin-secondary);
}

  .videos-library-page .btn-primary:hover:not(:disabled) {
    background: var(--takwin-primary-light);
    border-color: var(--takwin-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(46, 124, 228, 0.3);
  }

.videos-library-page .fa-undo-alt {
  font-size: 30px;
  color: white;
}