/* Quiz System Frontend Styles */

.quiz-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.quiz-form {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin: 20px 0;
}

.quiz-form h2 {
    margin-top: 0;
    color: #333;
    text-align: center;
}

.quiz-form-group {
    margin-bottom: 20px;
}

.quiz-form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #555;
}

.quiz-form-group input,
.quiz-form-group select,
.quiz-form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.quiz-form-group input:focus,
.quiz-form-group select:focus,
.quiz-form-group textarea:focus {
    outline: none;
    border-color: #2271b1;
    box-shadow: 0 0 0 2px rgba(34, 113, 177, 0.1);
}

.quiz-button {
    background: #2271b1;
    color: #fff;
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.quiz-button:hover {
    background: #135e96;
}

.quiz-button:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.quiz-button.secondary {
    background: #6c757d;
}

.quiz-button.secondary:hover {
    background: #5a6268;
}

.quiz-error {
    background: #f8d7da;
    color: #721c24;
    padding: 12px;
    border-radius: 4px;
    margin: 10px 0;
    border: 1px solid #f5c6cb;
}

.quiz-success {
    background: #d4edda;
    color: #155724;
    padding: 12px;
    border-radius: 4px;
    margin: 10px 0;
    border: 1px solid #c3e6cb;
}

.quiz-loading {
    text-align: center;
    padding: 40px;
}

.quiz-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #2271b1;
    border-radius: 50%;
    animation: quiz-spin 1s linear infinite;
}

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

/* Responsive design */
@media (max-width: 768px) {
    .quiz-container {
        padding: 10px;
    }
    
    .quiz-form {
        padding: 20px;
        margin: 10px 0;
    }
    
    .quiz-form-group input,
    .quiz-form-group select,
    .quiz-form-group textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

/* Accessibility */
.quiz-form-group input:invalid {
    border-color: #dc3545;
}

.quiz-form-group .error-message {
    color: #dc3545;
    font-size: 14px;
    margin-top: 5px;
}

/* Focus indicators */
.quiz-button:focus,
.quiz-form-group input:focus,
.quiz-form-group select:focus,
.quiz-form-group textarea:focus {
    outline: 2px solid #2271b1;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .quiz-form {
        border: 2px solid #000;
    }
    
    .quiz-button {
        border: 2px solid #000;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .quiz-spinner {
        animation: none;
    }
    
    .quiz-form-group input,
    .quiz-form-group select,
    .quiz-form-group textarea,
    .quiz-button {
        transition: none;
    }
}