/* My Performance Section Styles - ENHANCED VERSION */
.performance-section {
    padding: 1rem 0;
}

/* Performance Filters */
.performance-filters {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    align-items: flex-end;
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.performance-filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex: 1;
    min-width: 200px;
}

.performance-filter-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.performance-filters .form-select {
    background-color: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: var(--transition);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 16px;
}

.performance-filters .form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.performance-filters .form-select:hover {
    border-color: var(--primary);
}

/* Performance Summary Cards */
.performance-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.performance-card {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: var(--transition);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.performance-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
}

.performance-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.performance-card-icon {
    width: 70px;
    height: 70px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.performance-card-icon.score {
    background: linear-gradient(135deg, #2196F3, #1976D2);
}

.performance-card-icon.average {
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
}

.performance-card-icon.rank {
    background: linear-gradient(135deg, #FF9800, #EF6C00);
}

.performance-card-icon.progress {
    background: linear-gradient(135deg, #9C27B0, #7B1FA2);
}

.performance-card-icon.count {
    background: linear-gradient(135deg, #00BCD4, #0097A7);
}

.performance-card-content {
    flex: 1;
}

.performance-card-value {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    line-height: 1;
}

.performance-card-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.performance-card-trend {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    background-color: var(--bg-tertiary);
    width: fit-content;
}

.trend-up {
    color: #4CAF50;
    background-color: rgba(76, 175, 80, 0.1) !important;
}

.trend-down {
    color: #F44336;
    background-color: rgba(244, 67, 54, 0.1) !important;
}

.trend-neutral {
    color: var(--text-secondary);
    background-color: rgba(158, 158, 158, 0.1) !important;
}

/* Performance Chart Container */
.performance-chart-container {
    background-color: var(--bg-secondary);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.performance-chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.performance-chart-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.performance-chart-controls {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.chart-legend {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    cursor: pointer;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    transition: var(--transition);
    background-color: var(--bg-primary);
    border: 1px solid var(--border);
    user-select: none;
    cursor: pointer !important;
    pointer-events: all !important;
}

.legend-item:hover {
    background-color: var(--bg-tertiary);
    transform: translateY(-1px);
}

.legend-item.active {
    opacity: 1;
    background-color: var(--primary-light);
    border-color: var(--primary);
}

.legend-color {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.legend-score {
    background-color: #2196F3;
}

.legend-average {
    background-color: #4CAF50;
}

.legend-rank {
    background-color: #FF9800;
}

.chart-actions {
    display: flex;
    gap: 0.75rem;
}

.chart-wrapper {
    position: relative;
    background-color: var(--bg-primary);
    border-radius: 12px;
    border: 1px solid var(--border);
    overflow: hidden;
}

.performance-chart {
    width: 100%;
    height: 400px;
    position: relative;
    overflow: hidden;
}

.chart-loading, .chart-error {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    color: var(--text-secondary);
    flex-direction: column;
    gap: 1rem;
    text-align: center;
    padding: 2rem;
}

.chart-error {
    color: var(--error);
}

.chart-error i {
    font-size: 3rem;
    opacity: 0.7;
}

.chart-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: var(--bg-tertiary);
    border-top: 1px solid var(--border);
}

.nav-btn {
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.nav-btn:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.nav-info {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Submissions Table */
.performance-submissions {
    background-color: var(--bg-secondary);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    width: 100%;
    overflow-x: auto;
}

.submissions-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.submissions-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 700;
}

.submissions-table {
    width: 100%;
    min-width: 800px; /* Minimum width for desktop */
}

/* Desktop Table View */
.submissions-table-row {
    display: grid;
    grid-template-columns: 2fr 120px 80px 100px 100px 120px 100px;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
    align-items: center;
    min-height: 70px;
}

.submissions-table-row.header {
    background-color: var(--bg-tertiary);
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.submissions-table-row:not(.header):hover {
    background-color: var(--bg-tertiary);
}

.submission-paper {
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.submission-date {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.submission-score {
    text-align: center;
    font-weight: 700;
    font-size: 1rem;
    color: var(--primary);
}

.submission-rank, .submission-class-rank {
    text-align: center;
    font-weight: 700;
    font-size: 1rem;
}

.submission-rank {
    color: var(--warning);
}

.submission-class-rank {
    color: var(--info);
}

.submission-improvement {
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 0.9rem;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    width: fit-content;
    margin: 0 auto;
}

.submission-improvement.trend-up {
    background-color: rgba(76, 175, 80, 0.1);
    color: #4CAF50;
}

.submission-improvement.trend-down {
    background-color: rgba(244, 67, 54, 0.1);
    color: #F44336;
}

.submission-actions {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.submission-actions .btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
    border-radius: 6px;
    white-space: nowrap;
}

/* Pagination */
.submissions-pagination {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border);
    background-color: var(--bg-tertiary);
    flex-wrap: wrap;
    gap: 1rem;
}

.pagination-info {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.pagination-controls {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.pagination-btn {
    padding: 0.75rem 1.25rem;
    border: 2px solid var(--border);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pagination-btn:hover:not(:disabled) {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-1px);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.pagination-numbers {
    display: flex;
    gap: 0.5rem;
}

.pagination-number {
    min-width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 600;
}

.pagination-number.active {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
}

.pagination-number:hover:not(.active) {
    background-color: var(--bg-tertiary);
    border-color: var(--primary);
}

/* Loading States */
.performance-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem;
    text-align: center;
    flex-direction: column;
    gap: 1.5rem;
}

.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.loading-spinner .spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border);
    border-left: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.performance-error {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    background-color: var(--bg-secondary);
    border-radius: 16px;
    border: 2px solid rgba(244, 67, 54, 0.2);
}

.performance-error i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--error);
}

.performance-error h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 700;
}

.no-submissions {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    font-style: italic;
    background-color: var(--bg-secondary);
    border-radius: 12px;
    border: 2px dashed var(--border);
}

.no-submissions i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
    display: block;
}

.no-data {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Submission Details Modal */
.submission-details-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    backdrop-filter: blur(5px);
}

.submission-details-content {
    background-color: var(--bg-secondary);
    border-radius: 16px;
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border);
}

.submission-details-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border-radius: 16px 16px 0 0;
    position: sticky;
    top: 0;
    z-index: 10;
}

.submission-details-header h2 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 700;
}

.submission-details-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.submission-details-close:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: rotate(90deg);
}

.submission-details-body {
    padding: 1.5rem;
}

/* Submission Overview */
.submission-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: var(--bg-primary);
    border-radius: 12px;
    border: 1px solid var(--border);
}

.overview-item {
    text-align: center;
    padding: 1rem;
}

.overview-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.overview-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Answers Table */
.answers-table-container {
    margin-top: 1.5rem;
}

.answers-table-wrapper {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.answers-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-primary);
}

.answers-table th {
    background-color: var(--bg-tertiary);
    padding: 1rem;
    text-align: left;
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border);
}

.answers-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
}

.answers-table tr:last-child td {
    border-bottom: none;
}

.answers-table tr:hover {
    background-color: var(--bg-tertiary);
}

.answer-correct {
    color: #4CAF50;
    font-weight: 700;
}

.answer-incorrect {
    color: #F44336;
    font-weight: 700;
}

.answer-all-correct {
    color: #2196F3;
    font-weight: 700;
}

/* MOBILE RESPONSIVE DESIGN - COMPLETELY FIXED */
@media (max-width: 1200px) {
    .submissions-table-row {
        grid-template-columns: 1.5fr 100px 80px 80px 80px 100px 90px;
        gap: 0.75rem;
        padding: 1rem 1.25rem;
    }
}

@media (max-width: 1024px) {
    .performance-summary {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .performance-filters {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .performance-filter-group {
        min-width: 100%;
    }
    
    .performance-summary {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .performance-card {
        padding: 1.25rem;
        gap: 1rem;
    }
    
    .performance-card-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .performance-card-value {
        font-size: 1.75rem;
    }
    
    .performance-chart-header {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .performance-chart-controls {
        justify-content: center;
    }
    
    .chart-legend {
        justify-content: center;
    }
    
    .chart-actions {
        justify-content: center;
        width: 100%;
    }
    
    .performance-chart {
        height: 350px;
    }
    
    /* COMPLETELY FIXED: Mobile Submissions Table */
    .submissions-table {
        min-width: 100% !important;
        display: block;
        overflow-x: visible;
    }
    
    .submissions-table-row {
        display: flex !important;
        flex-direction: column;
        gap: 0.75rem;
        padding: 1.25rem;
        text-align: left;
        background-color: var(--bg-primary);
        border-radius: 12px;
        margin-bottom: 1rem;
        border: 1px solid var(--border);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        width: 100% !important;
        box-sizing: border-box;
        min-height: auto;
    }
    
    .submissions-table-row.header {
        display: none !important;
    }
    
    .submission-paper {
        font-weight: 700;
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
        text-align: center;
        color: var(--primary);
        border-bottom: 1px solid var(--border);
        padding-bottom: 0.75rem;
        width: 100%;
        white-space: normal;
        text-overflow: unset;
        overflow: visible;
    }
    
    .submission-date,
    .submission-score,
    .submission-rank,
    .submission-class-rank,
    .submission-improvement {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.5rem 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        width: 100%;
        text-align: left;
    }
    
    .submission-date::before {
        content: "📅 Date: ";
        font-weight: 600;
        color: var(--text-secondary);
    }
    
    .submission-score::before {
        content: "🎯 Score: ";
        font-weight: 600;
        color: var(--text-secondary);
    }
    
    .submission-rank::before {
        content: "🏆 Overall Rank: ";
        font-weight: 600;
        color: var(--text-secondary);
    }
    
    .submission-class-rank::before {
        content: "👥 Class Rank: ";
        font-weight: 600;
        color: var(--text-secondary);
    }
    
    .submission-improvement::before {
        content: "📈 Improvement: ";
        font-weight: 600;
        color: var(--text-secondary);
    }
    
    .submission-actions {
        display: flex;
        justify-content: center;
        width: 100%;
        margin-top: 0.5rem;
        padding-top: 0.75rem;
        border-top: 1px solid var(--border);
    }
    
    .submission-actions .btn {
        width: 100%;
        justify-content: center;
        padding: 0.75rem 1rem;
    }
    
    /* Ensure proper spacing for the last items */
    .submission-improvement {
        border-bottom: none;
    }
    
    .submissions-pagination {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        text-align: center;
    }
    
    .pagination-controls {
        flex-direction: column;
        width: 100%;
    }
    
    .pagination-numbers {
        order: -1;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .submission-details-content {
        margin: 0.5rem;
        max-height: calc(100vh - 1rem);
    }
    
    .submission-details-body {
        padding: 1rem;
    }
    
    .submission-overview {
        grid-template-columns: 1fr 1fr;
        padding: 1rem;
    }
    
    .overview-value {
        font-size: 1.5rem;
    }
    
    /* Dark mode adjustments for mobile */
    .dark-mode .submissions-table-row {
        background-color: var(--bg-secondary);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    }
    
    .dark-mode .submission-date,
    .dark-mode .submission-score,
    .dark-mode .submission-rank,
    .dark-mode .submission-class-rank,
    .dark-mode .submission-improvement {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
}

@media (max-width: 480px) {
    .performance-section {
        padding: 0.5rem 0;
    }
    
    .performance-filters {
        padding: 1rem;
    }
    
    .performance-chart-container {
        padding: 1rem;
    }
    
    .performance-chart {
        height: 300px;
    }
    
    .chart-legend {
        flex-direction: column;
        width: 100%;
    }
    
    .legend-item {
        justify-content: center;
    }
    
    .performance-card {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem 1rem;
    }
    
    .performance-card-trend {
        margin: 0 auto;
    }
    
    .submissions-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .submission-details-header {
        padding: 1rem;
    }
    
    .submission-details-header h2 {
        font-size: 1.2rem;
    }
    
    .submission-overview {
        grid-template-columns: 1fr;
    }
    
    /* Extra small mobile adjustments */
    .submissions-table-row {
        padding: 1rem;
        margin-bottom: 0.75rem;
    }
    
    .submission-paper {
        font-size: 1rem;
        padding-bottom: 0.5rem;
    }
    
    .submission-date,
    .submission-score,
    .submission-rank,
    .submission-class-rank,
    .submission-improvement {
        padding: 0.4rem 0;
        font-size: 0.9rem;
    }
    
    .submission-date::before,
    .submission-score::before,
    .submission-rank::before,
    .submission-class-rank::before,
    .submission-improvement::before {
        font-size: 0.85rem;
    }
}

/* Ensure the submissions container works properly on mobile */
.performance-submissions {
    width: 100%;
}

@media (max-width: 768px) {
    .performance-submissions {
        border-radius: 12px;
        overflow: visible;
    }
    
    .submissions-table {
        overflow-x: visible;
    }
}

/* Dark mode specific adjustments */
.dark-mode .performance-card {
    background: linear-gradient(135deg, var(--bg-secondary), rgba(255, 255, 255, 0.05));
}

.dark-mode .performance-chart {
    background-color: rgba(0, 0, 0, 0.2);
}

.dark-mode .submissions-table-row:not(.header):hover {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Chart.js theme compatibility */
.chartjs-render-monitor {
    border-radius: 8px;
}

/* Ensure proper contrast in both themes */
.dark-mode .chart-legend {
    color: var(--text-primary);
}

.dark-mode .performance-chart-header {
    color: var(--text-primary);
}

/* Answers Table Colors */
.correct-row {
    background-color: rgba(76, 175, 80, 0.1) !important;
}

.correct-row:hover {
    background-color: rgba(76, 175, 80, 0.2) !important;
}

.incorrect-row {
    background-color: rgba(244, 67, 54, 0.1) !important;
}

.incorrect-row:hover {
    background-color: rgba(244, 67, 54, 0.2) !important;
}

.not-attempted-row {
    background-color: rgba(158, 158, 158, 0.1) !important;
}

.not-attempted-row:hover {
    background-color: rgba(158, 158, 158, 0.2) !important;
}

.answer-correct {
    color: #4CAF50 !important;
    font-weight: 700;
}

.answer-incorrect {
    color: #F44336 !important;
    font-weight: 700;
}

.answer-all-correct {
    color: #2196F3 !important;
    font-weight: 700;
}

/* Dark mode adjustments */
.dark-mode .correct-row {
    background-color: rgba(76, 175, 80, 0.15) !important;
}

.dark-mode .incorrect-row {
    background-color: rgba(244, 67, 54, 0.15) !important;
}

.dark-mode .not-attempted-row {
    background-color: rgba(158, 158, 158, 0.15) !important;
}

.legend-item:not(.active) {
    opacity: 0.6;
}

/* Legend item styles */
.legend-item {
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 4px 8px;
    border-radius: 4px;
}

.legend-item:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.legend-item.disabled {
    opacity: 0.5;
}

.legend-item.disabled:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

.dark-mode .legend-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.dark-mode .legend-item.disabled:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

/* Additional mobile fixes for better touch experience */
@media (max-width: 768px) {
    .submission-actions .btn {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .pagination-number {
        min-width: 40px;
        height: 40px;
        font-size: 0.85rem;
    }
    
    .pagination-btn {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }
}

/* CRITICAL FIX: Prevent horizontal scrolling and ensure proper mobile layout */
@media (max-width: 768px) {
    .performance-submissions {
        border-radius: 12px;
        width: 100%;
        overflow: hidden;
    }
    
    .submissions-table {
        width: 100%;
        display: block;
    }
    
    .submissions-table-row {
        width: 100% !important;
        max-width: 100%;
        margin-left: 0;
        margin-right: 0;
    }
    
    /* Ensure no horizontal overflow */
    body {
        overflow-x: hidden;
    }
    
    .main-content {
        overflow-x: hidden;
    }
    
    .content-section {
        overflow-x: hidden;
    }
}

/* Final emergency fix for any remaining mobile issues */
@media (max-width: 768px) {
    .submissions-table-container {
        width: 100%;
        overflow: visible;
    }
    
    #submissions-table-body {
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }
    
    .submissions-table-row {
        flex: 1;
        min-width: 100%;
        max-width: 100%;
    }
}