/**
 * KB Product Reviews & Q&A - Front-end Styles
 */

/* ==========================================================================
   Reviews Summary
   ========================================================================== */

.kb-product-reviews {
    padding: 20px 0;
}

.kb-reviews-summary {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 30px;
}

.kb-rating-overview {
    text-align: center;
}

.kb-average-rating {
    margin-bottom: 10px;
}

.kb-average-rating .rating-value {
    font-size: 48px;
    font-weight: 700;
    color: #333;
}

.kb-average-rating .rating-max {
    font-size: 24px;
    color: #666;
}

.kb-stars i {
    color: #ffc107;
    font-size: 24px;
}

.kb-total-reviews {
    color: #666;
    font-size: 14px;
    margin-top: 5px;
}

/* Rating Distribution */
.kb-rating-distribution {
    padding: 10px 0;
}

.rating-bar {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
}

.rating-bar .rating-label {
    width: 50px;
    display: flex;
    align-items: center;
    font-size: 14px;
}

.rating-bar .rating-label i {
    color: #ffc107;
    font-size: 16px;
    margin-left: 2px;
}

.rating-bar .progress {
    flex: 1;
    height: 8px;
    margin: 0 10px;
    background-color: #e9ecef;
    border-radius: 4px;
}

.rating-bar .progress-bar {
    background: linear-gradient(90deg, #ffc107, #ffca28);
    border-radius: 4px;
}

.rating-bar .rating-count {
    width: 30px;
    text-align: right;
    font-size: 14px;
    color: #666;
}

/* Write Review Button */
.kb-write-review-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}

.kb-write-review-btn .btn {
    padding: 12px 20px;
    font-size: 16px;
}

.kb-write-review-btn .btn i {
    vertical-align: middle;
    margin-right: 8px;
}

/* ==========================================================================
   Reviews Toolbar
   ========================================================================== */

.kb-reviews-toolbar {
    padding: 15px 0;
    border-bottom: 1px solid #e9ecef;
    margin-bottom: 20px;
}

.kb-filter-buttons .btn {
    border-radius: 20px;
    padding: 6px 16px;
    font-size: 13px;
}

.kb-filter-buttons .btn i {
    font-size: 16px;
    vertical-align: middle;
    margin-right: 4px;
}

.kb-sort-select label {
    margin-right: 10px;
    font-weight: 500;
}

/* ==========================================================================
   Review Item
   ========================================================================== */

.kb-review-item {
    padding: 20px 0;
    border-bottom: 1px solid #e9ecef;
}

.kb-review-item:last-child {
    border-bottom: none;
}

.kb-review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.kb-reviewer-name {
    font-weight: 600;
    color: #333;
}

.kb-verified-badge {
    display: inline-flex;
    align-items: center;
    background: #e8f5e9;
    color: #2e7d32;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    margin-left: 10px;
}

.kb-verified-badge i {
    font-size: 14px;
    margin-right: 4px;
}

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

.kb-review-rating {
    margin-bottom: 12px;
}

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

.kb-review-title {
    font-size: 16px;
    font-weight: 600;
    margin: 8px 0 0 0;
    color: #333;
}

.kb-review-content {
    margin-bottom: 15px;
}

.kb-review-content p {
    color: #444;
    line-height: 1.6;
    margin: 0;
}

/* Review Images */
.kb-review-images {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 15px;
}

.kb-review-image-thumb {
    display: block;
    width: 80px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #ddd;
}

.kb-review-image-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Review Videos */
.kb-review-videos {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 15px;
}

.kb-review-video-thumb {
    position: relative;
    width: 120px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
}

.kb-review-video-thumb img,
.kb-review-video-thumb .video-placeholder {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: #333;
}

.kb-review-video-thumb .play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    opacity: 0.9;
}

.kb-review-video-thumb .play-overlay i {
    font-size: 40px;
}

/* Criterion Grades */
.kb-criterion-grades {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 15px;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 8px;
}

.kb-criterion-grade {
    display: flex;
    align-items: center;
}

.kb-criterion-grade .criterion-name {
    font-size: 13px;
    color: #666;
    margin-right: 8px;
}

.kb-mini-stars i {
    font-size: 14px;
    color: #ffc107;
}

/* Review Footer */
.kb-review-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 10px;
}

.kb-review-helpful {
    display: flex;
    align-items: center;
    gap: 10px;
}

.helpful-text {
    font-size: 13px;
    color: #666;
}

.kb-vote-helpful {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 12px;
}

.kb-vote-helpful i {
    font-size: 16px;
    margin-right: 4px;
}

.kb-review-actions .btn-link {
    color: #666;
    text-decoration: none;
}

.kb-review-actions .btn-link:hover {
    color: #333;
}

/* ==========================================================================
   Comments
   ========================================================================== */

.kb-review-comments {
    margin-top: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
}

.kb-comment-item {
    padding: 12px 0;
    border-bottom: 1px solid #e9ecef;
}

.kb-comment-item:last-child {
    border-bottom: none;
}

.kb-comment-item.kb-seller-comment {
    background: #e3f2fd;
    padding: 12px;
    border-radius: 8px;
    margin: 5px 0;
}

.kb-comment-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.kb-commenter-name {
    font-weight: 600;
    font-size: 14px;
}

.kb-seller-badge {
    display: inline-flex;
    align-items: center;
    background: #1976d2;
    color: #fff;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
}

.kb-seller-badge i {
    font-size: 12px;
    margin-right: 4px;
}

.kb-comment-date {
    color: #999;
    font-size: 12px;
}

.kb-comment-content p {
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
}

.kb-comment-replies {
    margin-left: 30px;
    padding-left: 15px;
    border-left: 2px solid #e9ecef;
}

/* Add Comment Form */
.kb-add-comment {
    margin-top: 15px;
}

.kb-comment-form textarea {
    font-size: 14px;
}

/* ==========================================================================
   Q&A Section
   ========================================================================== */

.kb-product-qa {
    padding: 20px 0;
}

.kb-qa-header {
    margin-bottom: 20px;
}

.kb-qa-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
    font-size: 20px;
}

.kb-qa-header h3 i {
    color: #1976d2;
}

.kb-qa-search {
    margin-bottom: 20px;
}

.kb-qa-search .input-group {
    max-width: 400px;
}

/* Question Item */
.kb-question-item {
    display: flex;
    gap: 15px;
    padding: 20px 0;
    border-bottom: 1px solid #e9ecef;
}

.kb-question-item:last-child {
    border-bottom: none;
}

.kb-question-votes {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 40px;
}

.kb-question-votes .btn-link {
    padding: 2px;
    color: #666;
}

.kb-question-votes .btn-link:hover {
    color: #1976d2;
}

.kb-question-votes .vote-count {
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

.kb-question-content {
    flex: 1;
}

.kb-question-header {
    display: flex;
    gap: 10px;
    margin-bottom: 8px;
}

.kb-question-label {
    font-weight: 700;
    color: #1976d2;
    font-size: 18px;
}

.kb-question-text {
    font-size: 16px;
    color: #333;
    margin: 0;
    font-weight: 500;
}

.kb-question-meta {
    font-size: 13px;
    color: #999;
    margin-bottom: 15px;
}

.kb-question-meta span {
    margin-right: 15px;
}

/* Answer Item */
.kb-answers-list {
    margin-left: 20px;
    padding-left: 20px;
    border-left: 2px solid #e9ecef;
}

.kb-answer-item {
    padding: 15px 0;
    border-bottom: 1px solid #f0f0f0;
}

.kb-answer-item:last-child {
    border-bottom: none;
}

.kb-answer-item.kb-seller-answer {
    background: #e8f5e9;
    padding: 15px;
    border-radius: 8px;
    margin: 10px 0;
    border: none;
}

.kb-answer-item.kb-staff-answer {
    background: #e3f2fd;
    padding: 15px;
    border-radius: 8px;
    margin: 10px 0;
    border: none;
}

.kb-answer-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.kb-answer-label {
    font-weight: 700;
    color: #2e7d32;
    font-size: 16px;
}

.kb-answer-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
}

.kb-seller-badge {
    background: #2e7d32;
    color: #fff;
}

.kb-staff-badge {
    background: #1976d2;
    color: #fff;
}

.kb-answer-badge i {
    font-size: 14px;
    margin-right: 4px;
}

.kb-answer-text {
    margin: 0 0 10px 0;
    color: #444;
    line-height: 1.6;
}

.kb-answer-meta {
    font-size: 13px;
    color: #999;
}

.kb-answer-meta span {
    margin-right: 15px;
}

.kb-answer-actions {
    margin-top: 10px;
}

.kb-answer-actions .btn-link {
    padding: 2px 8px;
    font-size: 12px;
}

/* Add Answer */
.kb-add-answer {
    margin-top: 15px;
}

.kb-answer-form {
    margin-top: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
}

/* No Content States */
.kb-no-reviews,
.kb-no-questions,
.kb-no-answers {
    text-align: center;
    padding: 40px 20px;
    color: #666;
}

.kb-no-reviews i,
.kb-no-questions i {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.5;
}

/* ==========================================================================
   Review Modal
   ========================================================================== */

#kb-review-modal .modal-body {
    max-height: 70vh;
    overflow-y: auto;
}

.kb-star-rating-input {
    display: flex;
    flex-direction: row-reverse;
    justify-content: flex-end;
}

.kb-star-rating-input input {
    display: none;
}

.kb-star-rating-input label {
    cursor: pointer;
    padding: 0 2px;
}

.kb-star-rating-input label i {
    font-size: 32px;
    color: #ddd;
    transition: color 0.2s;
}

.kb-star-rating-input input:checked ~ label i,
.kb-star-rating-input label:hover i,
.kb-star-rating-input label:hover ~ label i {
    color: #ffc107;
}

.kb-criteria-ratings {
    margin-bottom: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
}

.kb-criterion-rating {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.kb-criterion-rating .kb-star-rating-input label i {
    font-size: 20px;
}

/* Image Preview */
.kb-image-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.kb-image-preview .preview-item {
    position: relative;
    width: 80px;
    height: 80px;
}

.kb-image-preview .preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.kb-image-preview .preview-item .remove-image {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #dc3545;
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 12px;
    cursor: pointer;
}

/* ==========================================================================
   Loading State
   ========================================================================== */

.kb-loading {
    display: flex;
    justify-content: center;
    padding: 40px 0;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 768px) {
    .kb-reviews-summary {
        padding: 15px;
    }

    .kb-rating-overview {
        margin-bottom: 20px;
    }

    .kb-write-review-btn {
        margin-top: 20px;
    }

    .kb-reviews-toolbar .row {
        flex-direction: column;
        gap: 15px;
    }

    .kb-reviews-toolbar .text-right {
        text-align: left !important;
    }

    .kb-review-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .kb-question-item {
        flex-direction: column;
    }

    .kb-question-votes {
        flex-direction: row;
        gap: 10px;
    }

    .kb-answers-list {
        margin-left: 0;
        padding-left: 15px;
    }
}