/**
 * Persian Web Development Tutorial - Quiz System Styles
 * استایل‌های سیستم آزمون آموزش توسعه وب فارسی
 */

/* Quiz Container */
.quiz-container {
    max-width: 800px;
    margin: 2rem auto;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    direction: rtl;
    text-align: right;
}

/* Quiz Header */
.quiz-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 2rem;
    text-align: center;
}

.quiz-title {
    font-size: 1.8rem;
    font-weight: bold;
    margin: 0 0 1.5rem 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.quiz-progress {
    margin-bottom: 1rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #4CAF50, #8BC34A);
    border-radius: 4px;
    transition: width 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.progress-text {
    font-size: 0.9rem;
    opacity: 0.9;
}

.quiz-timer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: bold;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    margin: 0 auto;
    width: fit-content;
}

.quiz-timer.timer-warning {
    background: rgba(255, 87, 87, 0.8);
    animation: pulse 1s infinite;
}

.timer-icon {
    font-size: 1.2rem;
}

/* Quiz Content */
.quiz-content {
    padding: 2rem;
}

.question-container {
    margin-bottom: 2rem;
}

.question-number {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.question-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.question-code {
    background: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    font-family: 'Courier New', monospace;
    direction: ltr;
    text-align: left;
}

.question-code pre {
    margin: 0;
    white-space: pre-wrap;
}

.question-code code {
    background: none;
    padding: 0;
    font-size: 0.9rem;
    color: var(--code-color);
}

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

.question-img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Answer Options */
.answers-container {
    margin-bottom: 2rem;
}

.answer-option {
    margin-bottom: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.answer-option:hover {
    transform: translateX(-2px);
}

.answer-option input[type="radio"] {
    display: none;
}

.option-label {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--option-bg, #f8f9fa);
    border: 2px solid var(--option-border, #e9ecef);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1rem;
    line-height: 1.5;
}

.option-label:hover {
    background: var(--option-hover-bg, #e3f2fd);
    border-color: var(--primary-color);
}

.answer-option input[type="radio"]:checked + .option-label {
    background: var(--option-selected-bg, #e8f5e8);
    border-color: var(--success-color, #4CAF50);
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.2);
}

.option-letter {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-weight: bold;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.answer-option input[type="radio"]:checked + .option-label .option-letter {
    background: var(--success-color, #4CAF50);
}

.option-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.option-text {
    flex: 1;
}

/* Code Input */
.code-input-container {
    margin-bottom: 1rem;
}

.code-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.code-input {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    background: var(--code-bg);
    color: var(--code-color);
    direction: ltr;
    text-align: left;
    resize: vertical;
    min-height: 120px;
    transition: border-color 0.2s ease;
}

.code-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.code-hint {
    margin-top: 0.5rem;
    padding: 0.75rem;
    background: var(--info-bg, #e3f2fd);
    border: 1px solid var(--info-border, #bbdefb);
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--info-color, #1976d2);
}

/* Fill Blank Input */
.fill-blank-container {
    margin-bottom: 1rem;
}

.blank-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.blank-input {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--input-bg);
    color: var(--text-primary);
    transition: border-color 0.2s ease;
}

.blank-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.blank-hint {
    margin-top: 0.5rem;
    padding: 0.75rem;
    background: var(--info-bg, #e3f2fd);
    border: 1px solid var(--info-border, #bbdefb);
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--info-color, #1976d2);
}

/* Quiz Actions */
.quiz-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.quiz-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 120px;
    justify-content: center;
}

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

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

.quiz-btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.3);
}

.quiz-btn-secondary {
    background: var(--secondary-bg, #6c757d);
    color: white;
}

.quiz-btn-secondary:hover:not(:disabled) {
    background: var(--secondary-dark, #5a6268);
    transform: translateY(-1px);
}

.quiz-btn-success {
    background: var(--success-color, #4CAF50);
    color: white;
}

.quiz-btn-success:hover:not(:disabled) {
    background: var(--success-dark, #45a049);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

/* Quiz Results */
.quiz-results {
    padding: 2rem;
}

.results-header {
    text-align: center;
    margin-bottom: 2rem;
}

.results-header h3 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.score-display {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 12px;
    padding: 2rem;
    margin: 1rem 0;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.score-emoji {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.score-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.score-percentage {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.score-grade {
    font-size: 1.2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Grade Colors */
.grade-excellent {
    background: linear-gradient(135deg, #e8f5e8, #c8e6c9) !important;
    color: #2e7d32 !important;
}

.grade-excellent .score-percentage,
.grade-excellent .score-grade {
    color: #1b5e20;
}

.grade-good {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb) !important;
    color: #1565c0 !important;
}

.grade-good .score-percentage,
.grade-good .score-grade {
    color: #0d47a1;
}

.grade-average {
    background: linear-gradient(135deg, #fff3e0, #ffcc02) !important;
    color: #ef6c00 !important;
}

.grade-average .score-percentage,
.grade-average .score-grade {
    color: #e65100;
}

.grade-pass {
    background: linear-gradient(135deg, #f3e5f5, #ce93d8) !important;
    color: #7b1fa2 !important;
}

.grade-pass .score-percentage,
.grade-pass .score-grade {
    color: #4a148c;
}

.grade-fail {
    background: linear-gradient(135deg, #ffebee, #ffcdd2) !important;
    color: #c62828 !important;
}

.grade-fail .score-percentage,
.grade-fail .score-grade {
    color: #b71c1c;
}

/* Results Breakdown */
.results-breakdown {
    margin-bottom: 2rem;
}

.result-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.2s ease;
}

.result-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.result-item.correct {
    border-color: var(--success-color, #4CAF50);
    background: var(--success-bg, #f1f8e9);
}

.result-item.incorrect {
    border-color: var(--error-color, #f44336);
    background: var(--error-bg, #ffebee);
}

.result-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--result-header-bg, #f8f9fa);
    border-bottom: 1px solid var(--border-color);
}

.result-icon {
    font-size: 1.2rem;
}

.result-question {
    font-weight: 600;
    color: var(--text-primary);
}

.result-content {
    padding: 1rem;
}

.result-question-text {
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.answer-display {
    margin: 1rem 0;
}

.user-answer {
    padding: 0.5rem;
    background: var(--user-answer-bg, #e3f2fd);
    border-radius: 4px;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.correct-answer {
    padding: 0.5rem;
    background: var(--correct-answer-bg, #e8f5e8);
    border-radius: 4px;
    font-weight: 500;
    color: var(--success-color, #2e7d32);
}

.result-explanation {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--explanation-bg, #f0f4f8);
    border-radius: 6px;
    border-right: 4px solid var(--primary-color);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Results Actions */
.results-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .quiz-container {
        margin: 1rem;
        border-radius: 8px;
    }
    
    .quiz-header {
        padding: 1.5rem;
    }
    
    .quiz-title {
        font-size: 1.5rem;
    }
    
    .quiz-content {
        padding: 1.5rem;
    }
    
    .question-text {
        font-size: 1.1rem;
    }
    
    .quiz-actions {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .quiz-btn {
        width: 100%;
        min-width: auto;
    }
    
    .results-actions {
        flex-direction: column;
    }
    
    .option-label {
        padding: 0.75rem;
        font-size: 0.95rem;
    }
    
    .option-letter {
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }
    
    .score-display {
        padding: 1.5rem;
    }
    
    .score-number {
        font-size: 2rem;
    }
    
    .score-percentage {
        font-size: 1.3rem;
    }
    
    .quiz-timer {
        font-size: 1rem;
        padding: 0.4rem 0.8rem;
    }
}

@media (max-width: 480px) {
    .quiz-header {
        padding: 1rem;
    }
    
    .quiz-content {
        padding: 1rem;
    }
    
    .quiz-title {
        font-size: 1.3rem;
    }
    
    .question-text {
        font-size: 1rem;
    }
    
    .option-label {
        padding: 0.6rem;
        font-size: 0.9rem;
    }
    
    .score-emoji {
        font-size: 2.5rem;
    }
    
    .score-number {
        font-size: 1.8rem;
    }
}

/* Dark Theme Support */
[data-theme="dark"] .quiz-container {
    background: var(--dark-card-bg);
    color: var(--dark-text-primary);
}

[data-theme="dark"] .option-label {
    background: var(--dark-option-bg, #2d3748);
    border-color: var(--dark-option-border, #4a5568);
    color: var(--dark-text-primary);
}

[data-theme="dark"] .option-label:hover {
    background: var(--dark-option-hover-bg, #3d4852);
}

[data-theme="dark"] .answer-option input[type="radio"]:checked + .option-label {
    background: var(--dark-option-selected-bg, #2d5a3d);
    border-color: var(--success-color, #4CAF50);
}

[data-theme="dark"] .code-input,
[data-theme="dark"] .blank-input {
    background: var(--dark-code-bg, #1a202c);
    border-color: var(--dark-border-color, #4a5568);
    color: var(--dark-text-primary);
}

[data-theme="dark"] .result-item {
    background: var(--dark-card-bg);
    border-color: var(--dark-border-color);
}

[data-theme="dark"] .result-header {
    background: var(--dark-result-header-bg, #2d3748);
}

/* Print Styles */
@media print {
    .quiz-container {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .quiz-actions,
    .results-actions {
        display: none;
    }
    
    .quiz-timer {
        display: none;
    }
    
    .result-item {
        break-inside: avoid;
        margin-bottom: 1rem;
    }
}