.ld-tab-dashboard {
            width: 100%;
            max-width: 100%;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        }

        .ld-tab-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            flex-wrap: wrap;
            gap: 15px;
        }

        .ld-tab-title {
            font-size: 28px;
            font-weight: 600;
            color: #333;
            margin: 0;
        }

        .ld-tab-user-info {
            display: flex;
            align-items: center;
            gap: 15px;
            background: #ffffff;
            border: 1px solid #e0e0e0;
            padding: 12px 20px;
            border-radius: 25px;
        }

        .ld-tab-user-details {
            text-align: right;
        }

        .ld-tab-user-name {
            font-weight: 600;
            color: #333;
            margin: 0 0 2px 0;
            font-size: 14px;
        }

        .ld-tab-user-email {
            font-size: 12px;
            color: #666;
            margin: 0;
        }

        .ld-tab-user-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            object-fit: cover;
        }

        .ld-tab-stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 20px;
        }

        .ld-tab-stat-card {
            background: white;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            padding: 25px;
            display: flex;
            align-items: center;
            gap: 15px;
            transition: box-shadow 0.3s ease;
        }

        .ld-tab-stat-card:hover {
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        .ld-tab-stat-icon {
            width: 48px;
            height: 48px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            flex-shrink: 0;
        }

        .ld-tab-stat-icon.courses {
            background: #f3e5f5;
            color: #7b1fa2;
        }

        .ld-tab-stat-icon.submissions {
            background: #e8eaf6;
            color: #5e35b1;
        }

        .ld-tab-stat-icon.quizzes {
            background: #e1f5fe;
            color: #0277bd;
        }

        .ld-tab-stat-content h3 {
            margin: 0 0 5px 0;
            font-size: 24px;
            font-weight: 600;
            color: #333;
        }

        .ld-tab-stat-content p {
            margin: 0;
            font-size: 13px;
            color: #666;
        }

        .ld-tab-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .ld-tab-section {
            background: white;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            padding: 25px;
        }

        .ld-tab-section-title {
            font-size: 18px;
            font-weight: 600;
            color: #333;
            margin: 0 0 25px 0;
        }

        .ld-tab-progress-chart {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            margin: 20px 0;
        }

        .ld-tab-chart-circle {
            width: 200px;
            height: 200px;
            max-width: 100%;
        }

        .ld-tab-legend {
            margin-top: 20px;
        }

        .ld-tab-legend-item {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }

        .ld-tab-legend-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .ld-tab-legend-dot.completed {
            background: #7b1fa2;
        }

        .ld-tab-legend-dot.in-progress {
            background: #9c27b0;
        }

        .ld-tab-legend-dot.not-started {
            background: #ce93d8;
        }

        .ld-tab-legend-text {
            font-size: 14px;
            color: #666;
        }

        .ld-tab-submissions-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .ld-tab-submission-item {
            display: flex;
            align-items: center;
            gap: 15px;
            padding: 15px;
            background: #f8f9fa;
            border-radius: 6px;
        }

        .ld-tab-submission-icon {
            width: 40px;
            height: 40px;
            background: #e0e0e0;
            border-radius: 6px;
            flex-shrink: 0;
        }

        .ld-tab-submission-content {
            flex: 1;
            height: 40px;
            background: #e0e0e0;
            border-radius: 4px;
        }

        @media (max-width: 768px) {
            .ld-tab-stats-grid {
                grid-template-columns: 1fr;
            }

            .ld-tab-content-grid {
                grid-template-columns: 1fr;
            }

            .ld-tab-header {
                flex-direction: column;
                align-items: flex-start;
            }
        }