/**
 * Vefify Question Frontend Styles
 * File: modules/questions/assets/question-frontend.css
 */

/* Base Styles */
.vefify-quiz-container,
.vefify-single-question {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

/* Quiz Header */
.quiz-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.quiz-progress {
    flex-grow: 1;
    margin-right: 20px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: #fff;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 14px;
    font-weight: 500;
}

.quiz-timer {
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.quiz-timer.warning {
    background: #ff6b6b;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Question Content */
.quiz-content {
    padding: 30px;
}

.vefify-question,
.vefify-single-question {
    margin-bottom: 30px;
}

.question-header {
    margin-bottom: 25px;
}

.question-text {
    font-size: 22px;
    font-weight: 600;
    color: #2c3e50;
    line-height: 1.4;
    margin: 0 0 15px 0;
}

.question-meta {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.question-meta span {
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.category {
    background: #e3f2fd;
    color: #1976d2;
}

.difficulty {
    color: white;
}

.difficulty-easy {
    background: #4caf50;
}

.difficulty-medium {
    background: #ff9800;
}

.difficulty-hard {
    background: #f44336;
}

.points {
    background: #f3e5f5;
    color: #7b1fa2;
}

/* Question Options */
.question-options {
    margin: 25px 0;
}

.option-item {
    margin: 12px 0;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    transition: all 0.3s ease;
    background: #fafafa;
    position: relative;
    overflow: hidden;
}

.option-item:hover {
    border-color: #2196f3;
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.2);
}

.option-item.selected {
    border-color: #2196f3;
    background: #e3f2fd;
}

.option-item.correct-answer {
    border-color: #4caf50;
    background: #e8f5e9;
}

.option-item.user-correct {
    border-color: #4caf50;
    background: #c8e6c9;
}

.option-item.user-incorrect {
    border-color: #f44336;
    background: #ffcdd2;
}

.option-item label {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    cursor: pointer;
    margin: 0;
    width: 100%;
}

.option-item input[type="radio"],
.option-item input[type="checkbox"] {
    margin: 0 12px 0 0;
    transform: scale(1.2);
}

.option-marker {
    font-weight: 600;
    color: #666;
    margin-right: 12px;
    min-width: 20px;
}

.option-text {
    flex-grow: 1;
    font-size: 16px;
    line-height: 1.4;
    color: #333;
}

.option-explanation {
    padding: 12px 20px;
    background: rgba(0, 0, 0, 0.05);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    font-size: 14px;
    color: #666;
    font-style: italic;
}

/* Single Question Results */
.question-result {
    margin-top: 20px;
    padding: 20px;
    border-radius: 8px;
    border: 2px solid #e0e0e0;
}

.result-status {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.result-status.correct {
    color: #4caf50;
}

.result-status.incorrect {
    color: #f44336;
}

.result-icon {
    font-size: 20px;
    font-weight: bold;
}

.result-text {
    font-size: 18px;
    font-weight: 600;
}

.result-points {
    margin-left: auto;
    font-size: 14px;
    background: #f5f5f5;
    padding: 4px 8px;
    border-radius: 4px;
}

.result-explanation {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 6px;
    border-left: 4px solid #2196f3;
    font-size: 14px;
    line-height: 1.5;
}

/* Quiz Navigation */
.quiz-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid #f0f0f0;
}

.quiz-navigation button {
    padding: 12px 24px;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 120px;
}

.vefify-prev-question {
    background: #e0e0e0;
    color: #666;
}

.vefify-prev-question:not(:disabled):hover {
    background: #d0d0d0;
    transform: translateY(-2px);
}

.vefify-prev-question:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.vefify-next-question,
.vefify-finish-quiz,
.vefify-submit-answer {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.vefify-next-question:hover,
.vefify-finish-quiz:hover,
.vefify-submit-answer:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

/* Quiz Results */
.quiz-results {
    padding: 40px 30px;
    text-align: center;
}

.results-header {
    margin-bottom: 30px;
}

.results-icon {
    font-size: 64px;
    margin-bottom: 15px;
    display: block;
}

.results-header h2 {
    font-size: 32px;
    color: #2c3e50;
    margin: 0 0 15px 0;
}

.results-score {
    font-size: 48px;
    font-weight: bold;
    color: #2196f3;
    margin-bottom: 10px;
}

.score-total {
    color: #666;
    font-size: 32px;
}

.results-percentage {
    font-size: 24px;
    color: #666;
    font-weight: 500;
}

.results-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.stat-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    border: 2px solid #e9ecef;
}

.stat-label {
    font-size: 14px;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 20px;
    font-weight: bold;
    color: #2c3e50;
}

.grade-excellent {
    color: #4caf50;
}

.grade-good {
    color: #2196f3;
}

.grade-fair {
    color: #ff9800;
}

.grade-poor {
    color: #f44336;
}

/* Results Breakdown */
.results-breakdown {
    margin: 30px 0;
    text-align: left;
}

.results-breakdown h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 20px;
}

.result-item {
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 10px;
    overflow: hidden;
}

.result-item.correct {
    border-left-color: #4caf50;
    border-left-width: 4px;
}

.result-item.incorrect {
    border-left-color: #f44336;
    border-left-width: 4px;
}

.result-question {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    gap: 12px;
}

.result-item .result-icon {
    font-size: 18px;
    font-weight: bold;
}

.result-item.correct .result-icon {
    color: #4caf50;
}

.result-item.incorrect .result-icon {
    color: #f44336;
}

.result-item .question-text {
    flex-grow: 1;
    font-size: 14px;
    line-height: 1.4;
}

.result-item .points {
    font-size: 12px;
    background: #f5f5f5;
    padding: 4px 8px;
    border-radius: 4px;
}

/* Action Buttons */
.question-actions,
.results-actions {
    text-align: center;
    margin-top: 20px;
}

.vefify-restart-quiz {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.vefify-restart-quiz:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

/* Loading States */
.vefify-question.loading,
.vefify-quiz-container.loading {
    opacity: 0.7;
    pointer-events: none;
}

.vefify-question.answered {
    background: #f8f9fa;
}

.vefify-question.answered .option-item input {
    pointer-events: none;
}

/* Notifications */
.vefify-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 400px;
}

.vefify-notification.info {
    background: #2196f3;
}

.vefify-notification.success {
    background: #4caf50;
}

.vefify-notification.warning {
    background: #ff9800;
}

.vefify-notification.error {
    background: #f44336;
}

.notification-close {
    background: none;
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
    padding: 0;
    margin-left: auto;
}

/* Error States */
.vefify-error {
    background: #ffebee;
    color: #c62828;
    padding: 20px;
    border-radius: 8px;
    border: 2px solid #ffcdd2;
    text-align: center;
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .vefify-quiz-container,
    .vefify-single-question {
        margin: 10px;
        border-radius: 8px;
    }
    
    .quiz-header {
        padding: 15px;
        flex-direction: column;
        gap: 15px;
    }
    
    .quiz-content {
        padding: 20px 15px;
    }
    
    .question-text {
        font-size: 18px;
    }
    
    .question-meta {
        justify-content: center;
    }
    
    .quiz-navigation {
        flex-direction: column;
        gap: 10px;
    }
    
    .quiz-navigation button {
        width: 100%;
        min-width: auto;
    }
    
    .results-score {
        font-size: 36px;
    }
    
    .score-total {
        font-size: 24px;
    }
    
    .results-stats {
        grid-template-columns: 1fr;
    }
    
    .vefify-notification {
        left: 10px;
        right: 10px;
        top: 10px;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .option-item label {
        padding: 12px 15px;
    }
    
    .option-text {
        font-size: 14px;
    }
    
    .question-text {
        font-size: 16px;
    }
    
    .results-header h2 {
        font-size: 24px;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .option-item {
        border-width: 3px;
    }
    
    .option-item.selected {
        background: #000;
        color: #fff;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .option-item,
    .quiz-navigation button,
    .progress-fill {
        transition: none;
    }
    
    .quiz-timer.warning {
        animation: none;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .vefify-quiz-container,
    .vefify-single-question {
        background: #1e1e1e;
        color: #e0e0e0;
    }
    
    .question-text,
    .results-header h2 {
        color: #ffffff;
    }
    
    .option-item {
        background: #2a2a2a;
        border-color: #404040;
        color: #e0e0e0;
    }
    
    .option-item:hover {
        border-color: #2196f3;
        background: #3a3a3a;
    }
    
    .option-item.selected {
        background: #1a237e;
    }
    
    .stat-item {
        background: #2a2a2a;
        border-color: #404040;
    }
    
    .result-explanation {
        background: #2a2a2a;
        color: #e0e0e0;
    }
}