/* Lesson Questions Tab Styles - Reusing Questions CSS */

/* Ensure styles are applied with higher specificity */
#lesson-questions .lesson-filter-container {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid #e9ecef;
}

#lesson-questions .filter-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    align-items: end;
}

#lesson-questions .filter-row .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 200px;
    margin-bottom: 0;
}

#lesson-questions .filter-row .form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #495057;
    margin-bottom: 0.25rem;
}

#lesson-questions .filter-row select {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: border-color 0.3s ease;
}

#lesson-questions .filter-row select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.2);
}

#lesson-questions .filter-row select:disabled {
    background: #f8f9fa;
    color: #6c757d;
    cursor: not-allowed;
}

#lesson-questions .filter-actions {
    display: flex;
    gap: 0.5rem;
    align-items: end;
}

#lesson-questions .filter-actions .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

#lesson-questions .btn-outline {
    background: transparent;
    border: 1px solid #6c757d;
    color: #6c757d;
}

#lesson-questions .btn-outline:hover {
    background: #6c757d;
    color: white;
}

#lesson-questions .btn-secondary {
    background: #6c757d;
    border: 1px solid #6c757d;
    color: white;
}

#lesson-questions .btn-secondary:hover {
    background: #5a6268;
    border-color: #5a6268;
}

#lesson-questions .btn-secondary:disabled {
    background: #adb5bd;
    border-color: #adb5bd;
    cursor: not-allowed;
}

.lesson-filter-container {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid #e9ecef;
}

.filter-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    align-items: end;
}

.filter-row .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 200px;
    margin-bottom: 0;
}

.filter-row .form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #495057;
    margin-bottom: 0.25rem;
}

.filter-row select {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: border-color 0.3s ease;
}

.filter-row select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.2);
}

.filter-row select:disabled {
    background: #f8f9fa;
    color: #6c757d;
    cursor: not-allowed;
}

.filter-actions {
    display: flex;
    gap: 0.5rem;
    align-items: end;
}

.filter-actions .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-outline {
    background: transparent;
    border: 1px solid #6c757d;
    color: #6c757d;
}

.btn-outline:hover {
    background: #6c757d;
    color: white;
}

.btn-secondary {
    background: #6c757d;
    border: 1px solid #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
    border-color: #5a6268;
}

.btn-secondary:disabled {
    background: #adb5bd;
    border-color: #adb5bd;
    cursor: not-allowed;
}

/* Lesson Questions Summary - Reusing Questions Summary */
#lesson-questions .lesson-questions-summary {
    margin-bottom: 1.5rem;
}

#lesson-questions .summary-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

#lesson-questions .summary-card h3 {
    margin: 0 0 1rem 0;
    font-size: 1.1rem;
    font-weight: 600;
}

#lesson-questions .summary-info {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
}

#lesson-questions .summary-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

#lesson-questions .summary-item .label {
    font-size: 0.75rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#lesson-questions .summary-item .value {
    font-size: 0.9rem;
    font-weight: 600;
}

/* Questions Container - Reusing Questions Styles */
#lesson-questions .questions-container {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

#lesson-questions .questions-header {
    background: #f8f9fa;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #e9ecef;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#lesson-questions .questions-header h3 {
    margin: 0;
    color: #495057;
    font-size: 1.1rem;
}

#lesson-questions .questions-count {
    background: #667eea;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

#lesson-questions .questions-list {
    padding: 1.5rem;
}

#lesson-questions .no-selection {
    text-align: center;
    padding: 3rem 1rem;
    color: #6c757d;
}

#lesson-questions .no-selection p {
    font-size: 1rem;
    margin: 0;
}

/* Question Item Styles - Reusing Questions CSS */
#lesson-questions .question-item {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
}

#lesson-questions .question-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

#lesson-questions .question-item:last-child {
    margin-bottom: 0;
}

#lesson-questions .question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
}

#lesson-questions .id-badge {
    background: #667eea;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.9rem;
}

#lesson-questions .question-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

#lesson-questions .question-meta .badge {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#lesson-questions .badge-type {
    background: #e3f2fd;
    color: #1976d2;
}

#lesson-questions .badge-difficulty-easy {
    background: #e8f5e8;
    color: #2e7d32;
}

#lesson-questions .badge-difficulty-medium {
    background: #fff3e0;
    color: #f57c00;
}

#lesson-questions .badge-difficulty-hard {
    background: #ffebee;
    color: #d32f2f;
}

#lesson-questions .question-content {
    padding: 0 1.5rem;
}

#lesson-questions .question-text {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #495057;
    margin: 1rem 0;
}

#lesson-questions .question-image {
    margin: 1rem 0;
    text-align: center;
}

#lesson-questions .question-image img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

#lesson-questions .question-options {
    margin: 1rem 0;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 6px;
    border-left: 4px solid #667eea;
}

#lesson-questions .question-options strong {
    color: #495057;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    display: block;
}

#lesson-questions .options-list {
    margin-top: 0.5rem;
}

#lesson-questions .option-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.5rem;
    padding: 0.25rem 0;
}

#lesson-questions .option-label {
    font-weight: 600;
    color: #667eea;
    margin-right: 0.5rem;
    min-width: 1.5rem;
}

#lesson-questions .option-text {
    color: #495057;
    line-height: 1.4;
}

/* Eval Question Specific Styles */
#lesson-questions .eval-option {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 4px;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
}

#lesson-questions .eval-option .option-label {
    background: #667eea;
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: bold;
    min-width: 1.5rem;
    text-align: center;
    display: inline-block;
}

#lesson-questions .eval-answers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.5rem;
    margin-top: 0.5rem;
}

#lesson-questions .eval-answer-item {
    display: flex;
    align-items: center;
    padding: 0.5rem;
    border-radius: 4px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
}

#lesson-questions .answer-number {
    font-weight: 600;
    color: #667eea;
    margin-right: 0.5rem;
    min-width: 1.5rem;
}

#lesson-questions .answer-text {
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

#lesson-questions .answer-text.correct {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

#lesson-questions .answer-text.incorrect {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

#lesson-questions .question-answer {
    margin: 1rem 0;
    padding: 0.75rem;
    background: #e8f5e8;
    border-radius: 6px;
    border-left: 4px solid #28a745;
}

#lesson-questions .question-answer strong {
    color: #155724;
    font-size: 0.9rem;
}

#lesson-questions .question-explanation {
    margin: 1rem 0;
    padding: 0.75rem;
    background: #fff3cd;
    border-radius: 6px;
    border-left: 4px solid #ffc107;
}

#lesson-questions .question-explanation strong {
    color: #856404;
    font-size: 0.9rem;
}

#lesson-questions .question-actions {
    display: flex;
    gap: 0.5rem;
    padding: 0 1.5rem 1rem 1.5rem;
    justify-content: flex-end;
}

#lesson-questions .question-actions .btn {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

#lesson-questions .btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

/* Button Actions Styling */
#lesson-questions .btn-edit {
    background: #28a745;
    color: white;
}

#lesson-questions .btn-edit:hover {
    background: #218838;
    transform: translateY(-1px);
}

#lesson-questions .btn-delete {
    background: #dc3545;
    color: white;
}

#lesson-questions .btn-delete:hover {
    background: #c82333;
    transform: translateY(-1px);
}

/* Loading States - Reusing Questions CSS */
#lesson-questions .loading {
    text-align: center;
    padding: 2rem 1rem;
    color: #6c757d;
    font-size: 1rem;
}

#lesson-questions .loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #e1e5e9;
    border-top: 2px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    #lesson-questions .filter-row {
        flex-direction: column;
        gap: 1rem;
    }
    
    #lesson-questions .filter-row .form-group {
        min-width: 100%;
    }
    
    #lesson-questions .filter-actions {
        flex-direction: column;
        width: 100%;
    }
    
    #lesson-questions .summary-info {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    #lesson-questions .questions-header {
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
    }
    
    #lesson-questions .question-header {
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
    }
    
    #lesson-questions .question-meta {
        justify-content: flex-start;
    }
}

/* Empty State - Reusing Questions CSS */
#lesson-questions .empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: #6c757d;
}

#lesson-questions .empty-state .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

#lesson-questions .empty-state h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
    color: #495057;
}

#lesson-questions .empty-state p {
    margin: 0;
    font-size: 0.9rem;
}