/**
 * SERSOLTEC v2.4 - Product Reviews Styles
 * Sprint 2.3: Reviews System
 */

/* ========================================
   REVIEWS SECTION
   ======================================== */

#reviews-section {
    padding: 40px 0;
    max-width: 1200px;
    margin: 0 auto;
}

.reviews-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e0e0e0;
}

.reviews-header h2 {
    font-size: 28px;
    margin-bottom: 10px;
    color: #333;
}

/* ========================================
   REVIEW STATISTICS
   ======================================== */

.review-stats-summary {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 40px;
    padding: 30px;
    background: #f9f9f9;
    border-radius: 8px;
    margin-bottom: 40px;
}

.average-rating {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.rating-number {
    font-size: 64px;
    font-weight: bold;
    color: #ff9800;
    line-height: 1;
    margin-bottom: 10px;
}

.average-rating .rating-stars {
    font-size: 24px;
    margin-bottom: 10px;
}

.total-reviews {
    font-size: 14px;
    color: #666;
}

.rating-breakdown {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 10px 0;
}

.rating-bar {
    display: grid;
    grid-template-columns: 50px 1fr 50px;
    align-items: center;
    gap: 15px;
}

.rating-label {
    font-size: 14px;
    font-weight: 500;
    color: #333;
}

.bar-container {
    height: 20px;
    background: #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: linear-gradient(to right, #ff9800, #ffc107);
    transition: width 0.3s ease;
}

.rating-count {
    font-size: 14px;
    color: #666;
    text-align: right;
}

/* ========================================
   STAR RATING
   ======================================== */

.stars {
    display: inline-block;
    font-size: 20px;
    line-height: 1;
}

.stars .star {
    color: #ddd;
    transition: color 0.2s ease;
}

.stars .star.filled {
    color: #ff9800;
}

.stars .star.half {
    color: #ff9800;
    position: relative;
}

.stars .star.half::before {
    content: '★';
    position: absolute;
    left: 0;
    width: 50%;
    overflow: hidden;
    color: #ff9800;
}

/* Interactive stars (for rating input) */
.stars.interactive .star {
    cursor: pointer;
    transition: color 0.2s ease, transform 0.2s ease;
}

.stars.interactive .star:hover {
    color: #ff9800;
    transform: scale(1.2);
}

.stars.interactive .star.hover {
    color: #ffc107;
}

/* ========================================
   REVIEW SORT & FILTERS
   ======================================== */

.reviews-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 15px;
    background: #f5f5f5;
    border-radius: 6px;
}

.reviews-controls label {
    font-weight: 500;
    margin-right: 10px;
}

#review-sort {
    padding: 8px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: white;
    font-size: 14px;
    cursor: pointer;
}

/* ========================================
   REVIEW FORM
   ======================================== */

.review-form-container {
    background: #f9f9f9;
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 40px;
}

.review-form-container h3 {
    font-size: 22px;
    margin-bottom: 20px;
    color: #333;
}

#review-form {
    max-width: 700px;
}

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

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: #333;
}

.form-group input[type="text"],
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input[type="text"]:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ff9800;
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: #666;
    font-size: 12px;
}

#rating-input {
    display: none;
}

#rating-stars {
    margin: 10px 0;
    font-size: 32px;
}

.form-actions {
    margin-top: 20px;
}

.btn-submit-review {
    padding: 12px 30px;
    background: #ff9800;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn-submit-review:hover:not(:disabled) {
    background: #f57c00;
}

.btn-submit-review:disabled {
    background: #ccc;
    cursor: not-allowed;
}

#review-message {
    margin-top: 15px;
    display: none;
}

#review-message .message {
    padding: 12px 15px;
    border-radius: 4px;
    font-size: 14px;
}

#review-message .message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

#review-message .message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ========================================
   REVIEWS LIST
   ======================================== */

.reviews-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.review-item {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: box-shadow 0.3s ease;
}

.review-item:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e0e0e0;
}

.review-rating {
    font-size: 18px;
}

.review-meta {
    text-align: right;
}

.review-author {
    font-weight: 500;
    color: #333;
    display: block;
    margin-bottom: 5px;
}

.review-date {
    font-size: 13px;
    color: #999;
}

.review-body {
    margin-bottom: 15px;
}

.review-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.review-text {
    font-size: 15px;
    line-height: 1.6;
    color: #555;
    white-space: pre-wrap;
}

.review-footer {
    display: flex;
    gap: 15px;
    align-items: center;
}

.btn-helpful,
.btn-report {
    padding: 8px 15px;
    background: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-helpful:hover {
    background: #e8f5e9;
    border-color: #4caf50;
}

.btn-helpful.active {
    background: #4caf50;
    color: white;
    border-color: #4caf50;
}

.btn-report:hover {
    background: #ffebee;
    border-color: #f44336;
    color: #f44336;
}

/* ========================================
   PAGINATION
   ======================================== */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 30px;
    padding: 20px;
}

.page-btn {
    padding: 8px 12px;
    background: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-btn:hover:not(.active) {
    background: #f5f5f5;
    border-color: #ff9800;
}

.page-btn.active {
    background: #ff9800;
    color: white;
    border-color: #ff9800;
    font-weight: 600;
}

.page-dots {
    color: #999;
    padding: 0 5px;
}

/* ========================================
   LOADING & EMPTY STATES
   ======================================== */

.loading {
    text-align: center;
    padding: 40px;
    color: #999;
    font-size: 16px;
}

.loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-left: 10px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #ff9800;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.no-reviews {
    text-align: center;
    padding: 60px 20px;
    color: #999;
    font-size: 16px;
    background: #f9f9f9;
    border-radius: 8px;
}

.error {
    text-align: center;
    padding: 40px;
    color: #f44336;
    font-size: 16px;
    background: #ffebee;
    border-radius: 8px;
}

/* ========================================
   AUTHENTICATION PROMPT
   ======================================== */

.auth-required {
    background: #fff3cd;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #ffc107;
    margin-bottom: 30px;
}

.auth-required p {
    margin: 0 0 15px 0;
    color: #856404;
}

.auth-required a {
    color: #ff9800;
    text-decoration: none;
    font-weight: 600;
}

.auth-required a:hover {
    text-decoration: underline;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    .review-stats-summary {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 20px;
    }
    
    .reviews-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    
    .review-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .review-meta {
        text-align: left;
        margin-top: 10px;
    }
    
    .review-footer {
        flex-wrap: wrap;
    }
    
    .pagination {
        flex-wrap: wrap;
    }
    
    .page-btn {
        padding: 6px 10px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    #reviews-section {
        padding: 20px 10px;
    }
    
    .review-form-container,
    .review-item {
        padding: 15px;
    }
    
    .rating-number {
        font-size: 48px;
    }
    
    .reviews-header h2 {
        font-size: 22px;
    }
    
    .review-title {
        font-size: 16px;
    }
    
    .review-text {
        font-size: 14px;
    }
}