/**
 * ExamHub Plugin Frontend Styles
 */

/* MCQ Components */
.examhub-mcq-container {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: #fff;
}

.mcq-header h3 {
    margin: 0 0 15px 0;
    color: #333;
}

.mcq-question {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.6;
}

.mcq-options {
    margin-bottom: 20px;
}

.mcq-option {
    display: block;
    margin: 10px 0;
    padding: 15px;
    border: 2px solid #e1e1e1;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mcq-option:hover {
    border-color: #0073aa;
    background-color: #f8f9fa;
}

.mcq-option.selected {
    border-color: #0073aa;
    background-color: #e3f2fd;
}

.mcq-option.correct {
    border-color: #28a745;
    background-color: #d4edda;
}

.mcq-option.incorrect {
    border-color: #dc3545;
    background-color: #f8d7da;
}

.mcq-result {
    padding: 15px;
    border-radius: 6px;
    margin-top: 20px;
}

.mcq-result.correct {
    background-color: #d4edda;
    border: 1px solid #28a745;
    color: #155724;
}

.mcq-result.incorrect {
    background-color: #f8d7da;
    border: 1px solid #dc3545;
    color: #721c24;
}

/* Filter Components */
.mcq-filter-container {
    margin-bottom: 30px;
}

.filter-row {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    text-decoration: none;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

.btn-primary {
    background-color: #0073aa;
    color: white;
}

.btn-primary:hover {
    background-color: #005a87;
}

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

.btn-secondary:hover {
    background-color: #545b62;
}

/* Grid Layouts */
.mcq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.mcq-card {
    border: 1px solid #ddd;
    padding: 20px;
    border-radius: 8px;
    background: #fff;
    transition: box-shadow 0.3s ease;
}

.mcq-card:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.exam-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.category-card {
    border: 1px solid #ddd;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s ease;
}

.category-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Subscription Components */
.subscription-form-container {
    max-width: 1000px;
    margin: 0 auto;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.plan-card {
    border: 2px solid #e1e1e1;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.plan-card:hover {
    border-color: #0073aa;
    transform: translateY(-5px);
}

.plan-card.featured {
    border-color: #ff6b35;
    position: relative;
}

.plan-card.featured::before {
    content: "Most Popular";
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: #ff6b35;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

/* Responsive Design */
@media (max-width: 768px) {
    .filter-row {
        flex-direction: column;
    }
    
    .mcq-grid {
        grid-template-columns: 1fr;
    }
    
    .exam-categories-grid {
        grid-template-columns: 1fr;
    }
    
    .plans-grid {
        grid-template-columns: 1fr;
    }
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #0073aa;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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