/* Related Posts Manager - Classic Theme */
/* 전통적인 직사각형 썸네일과 날짜 정보가 포함된 클래식 스타일 */

/* CSS 리셋 및 기본 스타일 */
.rpm-related-container,
.rpm-related-container *,
.rpm-related-container *::before,
.rpm-related-container *::after {
    margin: 0 !important;
    padding: 0 !important;
    box-sizing: border-box !important;
    border: none !important;
    background: none !important;
    text-decoration: none !important;
    outline: none !important;
    box-shadow: none !important;
    text-shadow: none !important;
    border-radius: 0 !important;
    font-family: inherit !important;
    font-size: inherit !important;
    font-weight: inherit !important;
    line-height: inherit !important;
    color: inherit !important;
    text-align: left !important;
    vertical-align: baseline !important;
    list-style: none !important;
    float: none !important;
    position: static !important;
    transform: none !important;
    transition: none !important;
    animation: none !important;
}

/* 메인 컨테이너 - 클래식한 디자인 */
.rpm-related-container {
    margin: 35px 0 !important;
    padding: 20px !important;
    background: #f8f9fa !important;
    border: 1px solid #e9ecef !important;
    border-radius: 6px !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif !important;
}

/* 제목 - 클래식한 스타일 */
.rpm-title {
    margin: 0 0 18px 0 !important;
    padding: 10px 0 8px 0 !important;
    font-size: 18px !important;
    font-weight: 600 !important;
    line-height: 1.3 !important;
    color: #2c3e50 !important;
    text-align: left !important;
    border-bottom: 2px solid #2c3e50 !important;
    position: relative !important;
}

.rpm-title::before {
    content: '📖' !important;
    margin-right: 8px !important;
    font-size: 16px !important;
}

/* 글 목록 컨테이너 */
.rpm-posts-list {
    display: flex !important;
    flex-direction: column !important;
    gap: 0 !important;
    background: #ffffff !important;
    border: 1px solid #dee2e6 !important;
    border-radius: 4px !important;
    overflow: hidden !important;
}

/* 개별 글 아이템 - 전통적인 리스트 스타일 */
.rpm-post-item {
    display: block !important;
    position: relative !important;
    background: #ffffff !important;
    border-bottom: 1px solid #e9ecef !important;
    transition: background-color 0.2s ease !important;
}

.rpm-post-item:last-child {
    border-bottom: none !important;
}

.rpm-post-item:hover {
    background: #f8f9fa !important;
}

.rpm-post-item::before {
    content: '→' !important;
    position: absolute !important;
    right: 15px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    opacity: 0 !important;
    color: #6c757d !important;
    font-size: 14px !important;
    font-weight: bold !important;
    transition: opacity 0.2s ease !important;
}

.rpm-post-item:hover::before {
    opacity: 1 !important;
}

/* 링크 */
.rpm-post-link {
    display: flex !important;
    align-items: flex-start !important;
    padding: 15px !important;
    text-decoration: none !important;
    color: inherit !important;
    width: 100% !important;
}

.rpm-post-link:hover {
    text-decoration: none !important;
    color: inherit !important;
}

/* 썸네일 래퍼 - 직사각형 스타일 */
.rpm-thumbnail-wrapper {
    position: relative !important;
    flex-shrink: 0 !important;
    margin-right: 15px !important;
    width: 80px !important;
    height: 60px !important;
    overflow: hidden !important;
    border: 1px solid #dee2e6 !important;
    border-radius: 3px !important;
    background: #f8f9fa !important;
}

.rpm-post-item:hover .rpm-thumbnail-wrapper {
    border-color: #adb5bd !important;
}

/* 썸네일 이미지 */
.rpm-thumbnail {
    width: 80px !important;
    height: 60px !important;
    min-width: 80px !important;
    min-height: 60px !important;
    max-width: 80px !important;
    max-height: 60px !important;
    object-fit: contain !important;
    object-position: center !important;
    border-radius: 0 !important;
    background: #e9ecef !important;
    display: block !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
}

/* 급상승 배지 */
.rpm-trending-badge {
    position: absolute !important;
    top: -3px !important;
    right: -3px !important;
    background: #dc3545 !important;
    color: #ffffff !important;
    font-size: 8px !important;
    font-weight: 600 !important;
    padding: 2px 4px !important;
    border-radius: 2px !important;
    line-height: 1.0 !important;
    white-space: nowrap !important;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2) !important;
    z-index: 2 !important;
}

/* 콘텐츠 영역 */
.rpm-content {
    flex: 1 !important;
    min-width: 0 !important;
    padding-top: 2px !important;
}

/* 글 제목 */
.rpm-post-title {
    font-size: 16px !important;
    font-weight: 500 !important;
    line-height: 1.4 !important;
    color: #495057 !important;
    margin: 0 0 6px 0 !important;
    padding: 0 30px 0 0 !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
    word-break: keep-all !important;
    word-wrap: break-word !important;
    transition: color 0.2s ease !important;
}

.rpm-post-link:hover .rpm-post-title {
    color: #007bff !important;
}

/* 메타 정보 (날짜, 카테고리 등) */
.rpm-meta {
    font-size: 12px !important;
    color: #6c757d !important;
    line-height: 1.3 !important;
    margin-top: 4px !important;
}

.rpm-meta::before {
    content: '📅 ' !important;
    opacity: 0.7 !important;
}

/* 위치별 스타일 */
.rpm-position-middle,
.rpm-position-bottom {
    margin-top: 30px !important;
}

/* 로딩 스켈레톤 */
.rpm-skeleton {
    margin: 35px 0 !important;
    padding: 20px !important;
    background: #f8f9fa !important;
    border: 1px solid #e9ecef !important;
    border-radius: 6px !important;
}

.rpm-skeleton-title {
    width: 140px !important;
    height: 20px !important;
    background: linear-gradient(90deg, #e9ecef 25%, #f8f9fa 50%, #e9ecef 75%) !important;
    background-size: 200% 100% !important;
    animation: rpm-skeleton-loading 1.5s infinite !important;
    border-radius: 2px !important;
    margin: 0 0 20px 0 !important;
}

.rpm-skeleton-list {
    display: flex !important;
    flex-direction: column !important;
    gap: 0 !important;
    border: 1px solid #dee2e6 !important;
    border-radius: 4px !important;
    overflow: hidden !important;
    background: #ffffff !important;
}

.rpm-skeleton-item {
    display: flex !important;
    align-items: flex-start !important;
    padding: 15px !important;
    background: #ffffff !important;
    border-bottom: 1px solid #e9ecef !important;
}

.rpm-skeleton-item:last-child {
    border-bottom: none !important;
}

.rpm-skeleton-thumb {
    width: 80px !important;
    height: 60px !important;
    background: linear-gradient(90deg, #e9ecef 25%, #f8f9fa 50%, #e9ecef 75%) !important;
    background-size: 200% 100% !important;
    animation: rpm-skeleton-loading 1.5s infinite !important;
    border-radius: 3px !important;
    margin-right: 15px !important;
    flex-shrink: 0 !important;
    border: 1px solid #dee2e6 !important;
}

.rpm-skeleton-content {
    flex: 1 !important;
    min-width: 0 !important;
    padding-top: 2px !important;
}

.rpm-skeleton-text {
    height: 16px !important;
    background: linear-gradient(90deg, #e9ecef 25%, #f8f9fa 50%, #e9ecef 75%) !important;
    background-size: 200% 100% !important;
    animation: rpm-skeleton-loading 1.5s infinite !important;
    border-radius: 2px !important;
    margin-bottom: 8px !important;
}

.rpm-skeleton-text-short {
    height: 12px !important;
    width: 60% !important;
    background: linear-gradient(90deg, #e9ecef 25%, #f8f9fa 50%, #e9ecef 75%) !important;
    background-size: 200% 100% !important;
    animation: rpm-skeleton-loading 1.5s infinite !important;
    border-radius: 2px !important;
    animation-delay: 0.2s !important;
    margin-top: 6px !important;
}

@keyframes rpm-skeleton-loading {
    0% {
        background-position: 200% 0 !important;
    }
    100% {
        background-position: -200% 0 !important;
    }
}

/* 모바일 반응형 */
@media (max-width: 768px) {
    .rpm-related-container {
        margin: 25px 0 !important;
        padding: 15px !important;
    }
    
    .rpm-title {
        font-size: 16px !important;
        margin-bottom: 15px !important;
    }
    
    .rpm-post-link {
        padding: 12px !important;
    }
    
    .rpm-thumbnail-wrapper {
        width: 70px !important;
        height: 52px !important;
        margin-right: 12px !important;
    }
    
    .rpm-thumbnail {
        width: 70px !important;
        height: 52px !important;
        min-width: 70px !important;
        min-height: 52px !important;
        max-width: 70px !important;
        max-height: 52px !important;
    }
    
    .rpm-post-title {
        font-size: 14px !important;
    }
    
    .rpm-meta {
        font-size: 11px !important;
    }
    
    .rpm-skeleton-thumb {
        width: 70px !important;
        height: 52px !important;
        margin-right: 12px !important;
    }
}

/* 더 작은 모바일 화면 */
@media (max-width: 480px) {
    .rpm-related-container {
        margin: 20px 0 !important;
        padding: 12px !important;
    }
    
    .rpm-title {
        font-size: 15px !important;
        margin-bottom: 12px !important;
    }
    
    .rpm-post-link {
        padding: 10px !important;
    }
    
    .rpm-thumbnail-wrapper {
        width: 60px !important;
        height: 45px !important;
        margin-right: 10px !important;
    }
    
    .rpm-thumbnail {
        width: 60px !important;
        height: 45px !important;
        min-width: 60px !important;
        min-height: 45px !important;
        max-width: 60px !important;
        max-height: 45px !important;
    }
    
    .rpm-post-title {
        font-size: 13px !important;
        padding-right: 25px !important;
    }
    
    .rpm-meta {
        font-size: 10px !important;
    }
    
    .rpm-skeleton-thumb {
        width: 60px !important;
        height: 45px !important;
        margin-right: 10px !important;
    }
}

/* 테마 호환성을 위한 추가적인 리셋 */
.rpm-related-container a {
    color: inherit !important;
    text-decoration: none !important;
}

.rpm-related-container a:hover,
.rpm-related-container a:focus,
.rpm-related-container a:active,
.rpm-related-container a:visited {
    color: inherit !important;
    text-decoration: none !important;
    border: none !important;
    outline: none !important;
}

.rpm-related-container h1,
.rpm-related-container h2,
.rpm-related-container h3,
.rpm-related-container h4,
.rpm-related-container h5,
.rpm-related-container h6 {
    font-family: inherit !important;
    font-weight: inherit !important;
    line-height: inherit !important;
    margin: 0 !important;
    padding: 0 !important;
}

.rpm-related-container img {
    max-width: none !important;
    width: auto !important;
    height: auto !important;
    vertical-align: baseline !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    filter: none !important;
    opacity: 1 !important;
}

/* 플레이스홀더 스타일 */
.rpm-placeholder {
    min-height: 200px !important;
    background: transparent !important;
    display: block !important;
}

/* 테마의 일반적인 스타일 무력화 */
.rpm-related-container,
.rpm-related-container * {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif !important;
    text-rendering: optimizeLegibility !important;
    -webkit-font-smoothing: antialiased !important;
    -moz-osx-font-smoothing: grayscale !important;
}

/* 테마의 그리드/플렉스 레이아웃 간섭 방지 */
.rpm-related-container {
    display: block !important;
    flex: none !important;
    grid-column: unset !important;
    grid-row: unset !important;
}