/**
 * UQ Blog Kit Styles
 * WordPress 테마와 독립적인 블로그 스타일
 */

/* ========================================
   Base Variables
   ======================================== */
:root {
    --uq-primary-color: #333;
    --uq-secondary-color: #666;
    --uq-accent-color: #0073aa;
    --uq-border-color: #e0e0e0;
    --uq-bg-color: #f5f5f5;
    --uq-text-color: #333;
    --uq-meta-color: #999;
    --uq-gap: 20px;
    --uq-border-radius: 8px;
    --uq-transition: all 0.3s ease;
}

/* ========================================
   Post Card - Base Styles
   ======================================== */
.uq-post-card {
    background: var(--base-3, #ffffff);
    border-radius: var(--uq-card-radius, var(--uq-border-radius));
    border: var(--uq-card-border, none);
    overflow: hidden;
    box-shadow: var(--uq-card-shadow, 0 2px 4px rgba(0, 0, 0, 0.1));
    transition: var(--uq-transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: var(--uq-card-pad-y, 0) var(--uq-card-pad-x, 0);
}

.uq-post-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.uq-post-card__category {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 2;
}

.uq-post-card__category-link, .uq-post-card__term_label a {
    display: inline-block;
    padding: 4px 12px;
    background: var(--uq-accent-color);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--uq-transition);
}

.uq-post-card__category-link:hover, .uq-post-card__term_label a:hover {
    background: #005a87;
}

/* ========================================
   Post Card - Vertical Layout
   ======================================== */
.uq-post-card--vertical {
    position: relative;
}

.uq-post-card--vertical .uq-post-card__inner {
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* Image wrapper */
.uq-post-card--vertical .uq-post-card__image-wrapper {
    position: relative;
    overflow: hidden;
}

.uq-post-card--vertical .uq-post-card__image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--uq-transition);
}

.uq-post-card--vertical:hover .uq-post-card__image {
    transform: scale(1.05);
}

.uq-post-card--vertical .uq-post-card__body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* ========================================
   Post Card - Horizontal Layout
   ======================================== */
.uq-post-card--horizontal {
    position: relative;
}

.uq-post-card--horizontal .uq-post-card__inner {
    display: flex;
    align-items: stretch;
    height: 100%;
}

.uq-post-card--horizontal .uq-post-card__image-wrapper {
    flex: 0 0 40%;
    position: relative;
    overflow: hidden;
}

.uq-post-card--horizontal .uq-post-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--uq-transition);
}

.uq-post-card--horizontal:hover .uq-post-card__image {
    transform: scale(1.05);
}

.uq-post-card--horizontal .uq-post-card__body {
    flex: 1;
    padding: 24px;
    display: flex;
    flex-direction: column;
}

/* Image Position Variants */
.uq-post-card--horizontal.uq-post-card--image-right .uq-post-card__inner {
    flex-direction: row-reverse;
}

.uq-post-card--horizontal.uq-post-card--image-right .uq-post-card__category {
    left: auto;
    right: 40%;
    margin-right: 16px;
}

/* ========================================
   Post Card Content Elements
   ======================================== */
.uq-post-card__title {
    margin: 0 0 12px;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: var(--uq-title-lines, 2);
    overflow: hidden;
    text-overflow: ellipsis;
}

.uq-post-card__title-link {
    color: var(--uq-text-color);
    text-decoration: none;
    transition: var(--uq-transition);
}

.uq-post-card__title-link:hover {
    color: var(--uq-accent-color);
}

.uq-post-card__excerpt {
    margin: 0 0 16px;
    color: var(--uq-secondary-color);
    font-size: 14px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: var(--uq-excerpt-lines, 3);
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.uq-post-card__meta {
    display: flex;
    align-items: center;
    font-size: 13px;
    color: var(--uq-meta-color);
    margin-top: auto;
}

.uq-post-card__separator {
    margin: 0 8px;
}

.uq-post-card__author-link {
    color: var(--uq-meta-color);
    text-decoration: none;
    transition: var(--uq-transition);
}

.uq-post-card__author-link:hover {
    color: var(--uq-accent-color);
}

.uq-post-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.uq-post-card__tag {
    display: inline-block;
    padding: 4px 8px;
    background: var(--uq-bg-color);
    color: var(--uq-secondary-color);
    font-size: 12px;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--uq-transition);
}

.uq-post-card__tag:hover {
    background: var(--uq-accent-color);
    color: #fff;
}

/* Entry Meta layouts */
.entry-meta { color: var(--uq-meta-color); font-size: 13px; }
.entry-meta--inline { display: inline-flex; column-gap: 8px; align-items: center; }
.entry-meta--stacked { display: grid; row-gap: 6px; }
.entry-meta .uq-sep { margin: 0 6px; }

/* Media anchor with CSS aspect-ratio via variables */
.uq-post-card__media {
    display: block;
    position: relative;
    overflow: hidden;
    aspect-ratio: calc(var(--uq-aspect-w, 16) / var(--uq-aspect-h, 9));
    border-radius: var(--uq-media-radius, 0);
    margin-bottom: var(--uq-media-gap, 0);
}
.uq-post-card__media img { width: 100%; height: 100%; object-fit: cover; transition: var(--uq-transition); }
.uq-post-card__media:hover img { transform: scale(1.05); }

/* Segmented card surfaces */
.uq-post-card--card-surface-segmented { display: grid; row-gap: var(--uq-card-surface-gap, 12px); }
.uq-card-surface { background: var(--uq-card-surface-body-bg, transparent); box-shadow: var(--uq-card-surface-body-shadow, none); border-radius: var(--uq-card-surface-body-radius, 0); }
.uq-card-surface--media { padding: var(--uq-card-surface-body-pad-y, 0) var(--uq-card-surface-body-pad-x, 0); }
.uq-card-surface--body  { padding: var(--uq-card-surface-body-pad-y, 16px) var(--uq-card-surface-body-pad-x, 20px); }

/* ========================================
   Post Card Group - Base Styles
   ======================================== */
.uq-post-card-group {
    position: relative;
}

.uq-post-card-group__inner { display: grid; row-gap: var(--uq-gap-y, var(--uq-gap)); column-gap: var(--uq-gap-x, var(--uq-gap)); }

/* ========================================
   Post Card Group - Grid/Gallery Layout
   ======================================== */
.uq-post-card-group--gallery .uq-post-card-group__inner,
.uq-post-card-group--grid .uq-post-card-group__inner {
    grid-template-columns: repeat(3, 1fr);
}

.uq-post-card-group--gallery.uq-post-card-group--columns-2 .uq-post-card-group__inner,
.uq-post-card-group--grid.uq-post-card-group--columns-2 .uq-post-card-group__inner {
    grid-template-columns: repeat(2, 1fr);
}

.uq-post-card-group--gallery.uq-post-card-group--columns-1 .uq-post-card-group__inner,
.uq-post-card-group--grid.uq-post-card-group--columns-1 .uq-post-card-group__inner {
    grid-template-columns: 1fr;
}

/* Masonry Layout */
.uq-post-card-group--gallery.uq-post-card-group--masonry .uq-post-card-group__inner,
.uq-post-card-group--grid.uq-post-card-group--masonry .uq-post-card-group__inner {
    display: block;
    column-count: 3;
    column-gap: var(--uq-gap);
}

.uq-post-card-group--gallery.uq-post-card-group--masonry.uq-post-card-group--columns-2 .uq-post-card-group__inner,
.uq-post-card-group--grid.uq-post-card-group--masonry.uq-post-card-group--columns-2 .uq-post-card-group__inner {
    column-count: 2;
}

.uq-post-card-group--gallery.uq-post-card-group--masonry.uq-post-card-group--columns-1 .uq-post-card-group__inner,
.uq-post-card-group--grid.uq-post-card-group--masonry.uq-post-card-group--columns-1 .uq-post-card-group__inner {
    column-count: 1;
}

.uq-post-card-group--gallery.uq-post-card-group--masonry .uq-post-card,
.uq-post-card-group--grid.uq-post-card-group--masonry .uq-post-card {
    break-inside: avoid;
    margin-bottom: var(--uq-gap);
}

/* ========================================
   Post Card Group - Row Layout
   ======================================== */
.uq-post-card-group--row .uq-post-card-group__inner {
    grid-template-columns: repeat(3, 1fr);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.uq-post-card-group--row.uq-post-card-group--cards-4 .uq-post-card-group__inner {
    grid-template-columns: repeat(4, 1fr);
}

.uq-post-card-group--row.uq-post-card-group--cards-2 .uq-post-card-group__inner {
    grid-template-columns: repeat(2, 1fr);
}

.uq-post-card-group--row.uq-post-card-group--cards-1 .uq-post-card-group__inner {
    grid-template-columns: 1fr;
}

.uq-post-card-group--row .uq-post-card {
    scroll-snap-align: start;
}

/* Slider/Carousel Styles */
.uq-post-card-group--slider .uq-post-card-group__slider-wrapper {
    position: relative;
    overflow: hidden;
}

.uq-post-card-group--slider .uq-post-card-group__slider-container {
    overflow: hidden;
}

.uq-post-card-group--slider .uq-post-card-group__inner {
    display: flex;
    transition: transform 0.3s ease;
    gap: var(--uq-gap);
}

.uq-post-card-group--slider .uq-post-card {
    flex: 0 0 calc(33.333% - (var(--uq-gap) * 2 / 3));
}

.uq-post-card-group--slider.uq-post-card-group--cards-4 .uq-post-card {
    flex: 0 0 calc(25% - (var(--uq-gap) * 3 / 4));
}

.uq-post-card-group--slider.uq-post-card-group--cards-2 .uq-post-card {
    flex: 0 0 calc(50% - (var(--uq-gap) / 2));
}

.uq-post-card-group--slider.uq-post-card-group--cards-1 .uq-post-card {
    flex: 0 0 100%;
}

/* Navigation Buttons */
.uq-post-card-group__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--uq-border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--uq-transition);
    z-index: 2;
}

.uq-post-card-group__nav:hover {
    background: var(--base-3, #ffffff);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.uq-post-card-group__nav--prev {
    left: 20px;
}

.uq-post-card-group__nav--next {
    right: 20px;
}

/* ========================================
   Post Card Group - List Layout
   ======================================== */
.uq-post-card-group--list .uq-post-card-group__inner {
    display: flex;
    flex-direction: column;
    gap: var(--uq-gap);
}

.uq-post-card-group--list .uq-post-card {
    max-width: 100%;
}

/* ========================================
   Pagination
   ======================================== */
.uq-post-card-group__pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
}

.uq-post-card-group__pagination button {
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    background: var(--base-3, #ffffff);
    border: 1px solid var(--uq-border-color);
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: var(--uq-transition);
}

.uq-post-card-group__pagination button:hover {
    background: var(--uq-bg-color);
}

.uq-post-card-group__pagination button.active {
    background: var(--uq-accent-color);
    color: #fff;
    border-color: var(--uq-accent-color);
}

/* ========================================
   Infinite Scroll Loader
   ======================================== */
.uq-post-card-group__loader {
    display: flex;
    justify-content: center;
    padding: 40px 0;
}

.uq-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--uq-bg-color);
    border-top-color: var(--uq-accent-color);
    border-radius: 50%;
    animation: uq-spin 1s linear infinite;
}

@keyframes uq-spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   Icons
   ======================================== */
.uq-icon-chevron-left::before {
    content: '‹';
    font-size: 24px;
    line-height: 1;
}

.uq-icon-chevron-right::before {
    content: '›';
    font-size: 24px;
    line-height: 1;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .uq-post-card-group--gallery .uq-post-card-group__inner,
    .uq-post-card-group--grid .uq-post-card-group__inner {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .uq-post-card-group--gallery.uq-post-card-group--columns-3 .uq-post-card-group__inner,
    .uq-post-card-group--grid.uq-post-card-group--columns-3 .uq-post-card-group__inner {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .uq-post-card-group--gallery.uq-post-card-group--masonry .uq-post-card-group__inner,
    .uq-post-card-group--grid.uq-post-card-group--masonry .uq-post-card-group__inner {
        column-count: 2;
    }
    
    .uq-post-card-group--row .uq-post-card-group__inner {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .uq-post-card-group--slider .uq-post-card {
        flex: 0 0 calc(50% - (var(--uq-gap) / 2));
    }
}

@media (max-width: 768px) {
    :root {
        --uq-gap: 16px;
    }
    
    .uq-post-card-group--gallery .uq-post-card-group__inner,
    .uq-post-card-group--gallery.uq-post-card-group--columns-2 .uq-post-card-group__inner,
    .uq-post-card-group--gallery.uq-post-card-group--columns-3 .uq-post-card-group__inner,
    .uq-post-card-group--grid .uq-post-card-group__inner,
    .uq-post-card-group--grid.uq-post-card-group--columns-2 .uq-post-card-group__inner,
    .uq-post-card-group--grid.uq-post-card-group--columns-3 .uq-post-card-group__inner {
        grid-template-columns: 1fr;
    }
    
    .uq-post-card-group--gallery.uq-post-card-group--masonry .uq-post-card-group__inner,
    .uq-post-card-group--grid.uq-post-card-group--masonry .uq-post-card-group__inner {
        column-count: 1;
    }
    
    .uq-post-card-group--row .uq-post-card-group__inner {
        grid-template-columns: 1fr;
    }
    
    .uq-post-card-group--slider .uq-post-card {
        flex: 0 0 100%;
    }
    
    /* Horizontal to Portrait on Mobile */
    .uq-post-card--horizontal .uq-post-card__inner {
        flex-direction: column;
    }
    
    .uq-post-card--horizontal .uq-post-card__image-wrapper {
        flex: none;
        padding-top: 56.25%;
        position: relative;
    }
    
    .uq-post-card--horizontal .uq-post-card__image {
        position: absolute;
        top: 0;
        left: 0;
    }
    
    .uq-post-card--horizontal.uq-post-card--image-right .uq-post-card__category {
        right: auto;
        left: 16px;
        margin-right: 0;
    }
    
    .uq-post-card__title {
        font-size: 18px;
    }
    
    .uq-post-card__nav {
        width: 36px;
        height: 36px;
    }
    
    .uq-post-card__nav--prev {
        left: 10px;
    }
    
    .uq-post-card__nav--next {
        right: 10px;
    }
}

@media (max-width: 480px) {
    .uq-post-card__body {
        padding: 16px;
    }
    
    .uq-post-card__title {
        font-size: 16px;
        margin-bottom: 8px;
    }
    
    .uq-post-card__excerpt {
        font-size: 13px;
        margin-bottom: 12px;
    }
    
    .uq-post-card__meta {
        font-size: 12px;
    }
    
    .uq-post-card__tags {
        gap: 6px;
        margin-top: 8px;
    }
    
    .uq-post-card__tag {
        font-size: 11px;
        padding: 2px 6px;
    }
}

/**
 * uq-blog-kit.css에 추가할 스타일
 * 
 * 기존 CSS 파일 끝에 다음 내용을 추가해주세요:
 */

/* ========================================
   Category Style Variations
   ======================================== */
.uq-post-card__category-link--colored {
    background: var(--uq-accent-color);
    color: #fff;
    border: none;
}

.uq-post-card__category-link--outlined {
    background: transparent;
    color: var(--uq-accent-color);
    border: 1px solid var(--uq-accent-color);
}

.uq-post-card__category-link--colored:hover,
.uq-post-card__category-link--outlined:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ========================================
   Featured Card Styles
   ======================================== */
.uq-featured-card {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.uq-featured-card .uq-post-card__inner {
    min-height: 200px;
}

.uq-featured-card .uq-post-card__image-wrapper {
    flex: 0 0 60%;
}

.uq-featured-card .uq-post-card__body {
    padding: 24px;
}

/* ========================================
   Preset Variants (class hooks)
   ======================================== */
/* Vertical compact card */
.uq-card--vcompact {
    --uq-title-lines: 2;
    --uq-excerpt-lines: 2;
    --uq-card-pad-y: 12px;
    --uq-card-pad-x: 14px;
}
.uq-card--vcompact .uq-post-card__title { font-size: 18px; }
.uq-card--vcompact .uq-post-card__excerpt { font-size: 13px; }

/* Horizontal compact list item */
.uq-card--compact {
    --uq-title-lines: 2;
    --uq-excerpt-lines: 2;
    --uq-card-pad-y: 14px;
    --uq-card-pad-x: 16px;
    --uq-media-gap: 10px;
}
.uq-card--compact .uq-post-card__title { font-size: 18px; }
.uq-card--compact .uq-post-card__excerpt { font-size: 13px; }

.uq-featured-card .uq-post-card__title {
    font-size: 22px;
    font-weight: 700;
}

.uq-featured-card .uq-post-card__excerpt {
    font-size: 15px;
    line-height: 1.7;
}

/* ========================================
   Category Section Layout
   ======================================== */
.uq-category-section {
    margin-bottom: 50px;
}

.uq-category-section__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.uq-category-section__title {
    font-size: 24px;
    font-weight: 700;
    margin: 0;
    color: var(--uq-text-color);
}

.uq-category-section__more {
    color: var(--uq-secondary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--uq-transition);
}

.uq-category-section__more:hover {
    color: var(--uq-accent-color);
}

.uq-category-section__featured {
    margin-bottom: 24px;
}

.uq-category-section__preview {
    margin-top: 20px;
}

/* ========================================
   Image Aspect Ratios
   ======================================== */
.uq-post-card__image-wrapper[data-ratio="16:9"] {
    padding-top: 56.25%;
}

.uq-post-card__image-wrapper[data-ratio="4:3"] {
    padding-top: 75%;
}

.uq-post-card__image-wrapper[data-ratio="1:1"] {
    padding-top: 100%;
}

.uq-post-card__image-wrapper[data-ratio="3:2"] {
    padding-top: 66.67%;
}

/* ========================================
   Post Card Group Variations
   ======================================== */
.uq-post-card-group--featured {
    background: var(--uq-bg-color);
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 40px;
}

.uq-post-card-group--compact .uq-post-card {
    box-shadow: none;
    border: 1px solid var(--uq-border-color);
}

.uq-post-card-group--compact .uq-post-card:hover {
    border-color: var(--uq-accent-color);
}

/* ========================================
   Empty State
   ======================================== */
.uq-post-card-group__empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--uq-meta-color);
}

.uq-post-card-group__empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.3;
}

.uq-post-card-group__empty-message {
    font-size: 16px;
}

/* ========================================
   Responsive Updates
   ======================================== */
@media (max-width: 1024px) {
    .uq-featured-card .uq-post-card__image-wrapper {
        flex: 0 0 50%;
    }
    
    .uq-featured-card .uq-post-card__title {
        font-size: 20px;
    }
}

@media (max-width: 768px) {
    /* Featured Card를 세로형으로 변환 */
    .uq-featured-card .uq-post-card__inner {
        flex-direction: column;
        min-height: auto;
    }
    
    .uq-featured-card .uq-post-card__image-wrapper {
        flex: none;
        padding-top: 56.25%;
        position: relative;
    }
    
    .uq-featured-card .uq-post-card__image {
        position: absolute;
        top: 0;
        left: 0;
    }
    
    .uq-featured-card .uq-post-card__body {
        padding: 20px;
    }
    
    .uq-featured-card .uq-post-card__title {
        font-size: 18px;
    }
    
    .uq-category-section__title {
        font-size: 20px;
    }
    
    .uq-post-card-group--featured {
        padding: 20px;
    }
}

/* ========================================
   Dark Mode Support (선택사항) - 사용 중지됨
   ======================================== */
/* 2025-07-24: Dark Mode 지원 비활성화
   - 요청에 따라 Dark Mode 관련 코드를 주석 처리함
   - 향후 필요시 주석 해제하여 재활성화 가능
   
@media (prefers-color-scheme: dark) {
    :root {
        --uq-primary-color: #fff;
        --uq-secondary-color: #ccc;
        --uq-accent-color: #4a9eff;
        --uq-border-color: #444;
        --uq-bg-color: #222;
        --uq-text-color: #fff;
        --uq-meta-color: #999;
    }
    
    .uq-post-card {
        background: var(--uq-bg-color, #222222);
    }
    
    .uq-post-card-group--featured {
        background: #1a1a1a;
    }
}
*/