[v-cloak] {
            display: none !important;
        }

        /* Video Card Styles */
        .video-thumbnail-container {
            position: relative;
            overflow: hidden;
            border-radius: 12px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .video-thumbnail-container:hover {
            transform: scale(1.02);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        .play-button-overlay {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            opacity: 0.9;
            transition: opacity 0.3s ease, transform 0.3s ease;
        }

        .video-thumbnail-container:hover .play-button-overlay {
            opacity: 1;
            transform: translate(-50%, -50%) scale(1.1);
        }

        .video-placeholder {
            transition: all 0.3s ease;
        }

        .video-placeholder:hover {
            opacity: 0.9;
        }

        /* Modal Styles */
        .modal.show {
            display: block;
        }

        .modal-content {
            border-radius: 16px;
            overflow: hidden;
        }

        /* Responsive Adjustments */
        @media (max-width: 768px) {

            .video-thumbnail-container img,
            .video-placeholder {
                height: 150px !important;
            }
        }

        /* Progress Bar Styles */
        .custom-progress {
            height: 8px;
            background-color: #e9ecef;
            border-radius: 4px;
            overflow: hidden;
        }

        /* Lesson Item Styles */
        .lesson-item {
            padding: 16px 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .lesson-item:last-child {
            border-bottom: none;
        }

        .lesson-icon {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-weight: 600;
            font-size: 14px;
        }

        .lesson-icon.completed {
            background-color: #198754;
            color: #ffffff;
        }

        .lesson-icon.progress {
            background-color: #ffc107;
            color: #212529;
        }

        .lesson-icon.locked {
            background-color: #6c757d;
            color: #ffffff;
            opacity: 0.5;
        }

        .cursor-pointer {
            cursor: pointer;
        }

        .video-card-wrapper {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .video-card-wrapper:hover {
            transform: translateY(-4px);
        }

        .thumbnail-loading-spinner {
            display: none;
            position: absolute;
            inset: 0;
            align-items: center;
            justify-content: center;
            background: rgba(0, 0, 0, 0.45);
            border-radius: 12px;
        }

        .video-thumbnail-container.thumbnail-loading .thumbnail-loading-spinner {
            display: flex;
        }

        .video-thumbnail-container.thumbnail-loading {
            pointer-events: none;
        }

        .pdf-card-wrapper {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background-color: #ffffff;
            padding: 10px 15px;
            border-radius: 12px;
        }

        .badge {
            font-size: 0.7rem;
            padding: 0.25rem 0.5rem;
        }

        /* Modern Video Card Styles */
        .video-card {
            transition: all 0.3s ease;
            cursor: pointer;
            background-color: #fff;
            border-color: #eef0f2 !important;
            border-radius: 16px;
        }

        .video-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08) !important;
            border-color: #ffc107 !important;
        }

        .object-fit-cover {
            object-fit: cover;
        }

        .video-thumbnail-container {
            min-height: 140px;
        }

        .play-btn-overlay {
            z-index: 2;
            transition: all 0.3s ease;
        }

        .play-btn-overlay i {
            font-size: 3.5rem;
            opacity: 0.85;
            transition: transform 0.3s ease, color 0.3s ease;
        }

        .drop-shadow {
            filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.4));
        }

        .video-card:hover .play-btn-overlay i {
            transform: scale(1.15);
            color: #ffc107 !important;
            opacity: 1;
        }

        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .transition-hover {
            transition: all 0.2s ease-in-out;
        }

        .pdf-list-item:hover {
            transform: translateX(5px);
            border-color: #dc3545 !important;
            box-shadow: 0 .25rem .5rem rgba(0, 0, 0, .05) !important;
        }

        .pdf-downloaded-item {
            border-color: #198754 !important;
            background-color: #f0faf4 !important;
        }