/* Reusable Components */

/* Exam Components */
.exam-container {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
    padding: 0 var(--spacing-sm);
}

.exam-header {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--bg-tertiary);
}

.exam-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.exam-info h2 {
    color: var(--text-primary);
    margin: 0;
}

.exam-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
    transition: width 0.3s ease;
    border-radius: 4px;
}

/* Question Components */
.question-container {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--bg-tertiary);
    overflow: hidden;
}

.question-card {
    padding: var(--spacing-xl);
}

.question-number {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.question-text {
    font-size: 1.125rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    font-weight: 500;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.question-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.option-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    border: 2px solid var(--bg-tertiary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-secondary);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.option-item:hover {
    border-color: var(--primary-color);
    background: var(--bg-primary);
    transform: translateX(4px);
}

.option-item.selected {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
}

.option-item.correct {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
}

.option-item.incorrect {
    border-color: var(--error-color);
    background: rgba(239, 68, 68, 0.1);
}

.option-item input[type="radio"] {
    margin-right: var(--spacing-sm);
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

.option-item input[type="radio"]:checked + .option-text {
    color: var(--primary-color);
    font-weight: 600;
}

.option-text {
    flex: 1;
    color: var(--text-primary);
    font-size: 1rem;
    transition: color 0.3s ease;
}

.exam-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

/* Results Components */
.results-container {
    max-width: 800px;
    margin: 0 auto;
}

.results-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--bg-tertiary);
}

.results-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.results-card h2 {
    text-align: center;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.score-display {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.score-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--success-color));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.score-circle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: inherit;
    border-radius: 50%;
    z-index: 1;
}

.score-circle span {
    position: relative;
    z-index: 2;
}

.score-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin: 0;
}

.results-details {
    margin-bottom: var(--spacing-lg);
}

.result-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--bg-tertiary);
}

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

.results-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* Wrong Answers Section */
.wrong-answers-section {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--bg-tertiary);
}

.section-subtitle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.section-subtitle i {
    color: var(--error-color);
}

.wrong-answers-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.wrong-answer-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--bg-tertiary);
    transition: all 0.3s ease;
}

.wrong-answer-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.wrong-answer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--bg-tertiary);
}

.question-number {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1.125rem;
}

.wrong-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--error-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

.question-content {
    margin-bottom: var(--spacing-md);
}

.question-content .question-text {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.answer-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.user-answer,
.correct-answer {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--bg-tertiary);
}

.user-answer {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--error-color);
}

.correct-answer {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success-color);
}

.answer-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.answer-text {
    display: block;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5;
}

.answer-text.wrong {
    color: var(--error-color);
}

.answer-text.correct {
    color: var(--success-color);
}

/* Loading Components */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

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

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

/* Configuration Components */
.config-form {
    position: relative;
}

.config-form::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--primary-color), var(--success-color));
    border-radius: var(--radius-lg);
    z-index: -1;
    opacity: 0.1;
}

/* Enhanced Button Styles */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-warning {
    background: linear-gradient(45deg, #ff6b6b, #feca57);
    color: white;
    border: none;
}

.btn-warning:hover {
    background: linear-gradient(45deg, #ff5252, #ffa726);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-warning:active {
    transform: translateY(0);
}

/* Submit button section */
.exam-submit-section {
    display: flex;
    justify-content: center;
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
}

.submit-exam-btn {
    font-size: 1rem;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-width: 140px;
}

.submit-exam-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.submit-exam-btn:hover::before {
    left: 100%;
}

.submit-exam-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* Confirmation Modal */
.confirmation-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.confirmation-modal.show {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 400px;
    width: 90%;
    border: 1px solid var(--bg-tertiary);
    animation: slideInUp 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--bg-tertiary);
}

.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
    text-align: center;
}

.confirmation-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    animation: pulse 2s ease-in-out infinite;
}

.confirmation-warning {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: var(--spacing-sm);
}

.modal-footer {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--bg-tertiary);
    justify-content: flex-end;
}

/* Form Components */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-primary);
}

.form-input,
.form-select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Range Slider */
.range-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.range-value {
    min-width: 40px;
    text-align: center;
    font-weight: 500;
    color: var(--primary-color);
}

/* Alert Components */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success-color);
    color: var(--success-color);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error-color);
    color: var(--error-color);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--warning-color);
    color: var(--warning-color);
}

/* Badge Components */
.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
}

.badge-primary {
    background: var(--primary-color);
    color: white;
}

.badge-success {
    background: var(--success-color);
    color: white;
}

.badge-warning {
    background: var(--warning-color);
    color: white;
}

.badge-error {
    background: var(--error-color);
    color: white;
}

/* Responsive Components */
@media (max-width: 768px) {
    .exam-container {
        padding: 0 var(--spacing-xs);
    }
    
    .exam-info {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .exam-controls {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .question-card {
        padding: var(--spacing-lg);
    }
    
    .question-text {
        font-size: 1rem;
    }
    
    .option-item {
        padding: var(--spacing-sm);
    }
    
    .results-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .score-circle {
        width: 100px;
        height: 100px;
        font-size: 1.25rem;
    }
    
    .answer-comparison {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .results-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .exam-container {
        padding: 0;
    }
    
    .question-card {
        padding: var(--spacing-md);
    }
    
    .question-text {
        font-size: 0.95rem;
    }
    
    .option-item {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .exam-info h2 {
        font-size: 1.25rem;
    }
    
    .exam-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
        font-size: 0.8rem;
    }
    
    .score-circle {
        width: 80px;
        height: 80px;
        font-size: 1rem;
    }
}

/* Results Stats */
.results-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--bg-tertiary);
}

.stat-item i {
    color: var(--primary-color);
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.stat-item span {
    color: var(--text-primary);
    font-weight: 500;
}

/* Dark mode specific adjustments */
[data-theme="dark"] .option-item {
    background: var(--bg-tertiary);
}

[data-theme="dark"] .option-item:hover {
    background: var(--bg-primary);
}

[data-theme="dark"] .loading-overlay {
    background: rgba(0, 0, 0, 0.7);
}

[data-theme="dark"] .stat-item {
    background: var(--bg-tertiary);
}

[data-theme="dark"] .wrong-answer-item {
    background: var(--bg-tertiary);
}

[data-theme="dark"] .user-answer {
    background: rgba(239, 68, 68, 0.2);
}

[data-theme="dark"] .correct-answer {
    background: rgba(16, 185, 129, 0.2);
}

/* Ensure score circle is always visible */
.score-circle {
    background: linear-gradient(135deg, var(--primary-color), var(--success-color)) !important;
}

/* Performance-based score circle colors */
.score-circle.excellent {
    background: linear-gradient(135deg, #10b981, #059669) !important;
}

.score-circle.good {
    background: linear-gradient(135deg, #f59e0b, #d97706) !important;
}

.score-circle.poor {
    background: linear-gradient(135deg, #ef4444, #dc2626) !important;
}