/**
 * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 * ⚡ APC System - Gallery Stylesheet
 * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 * 📁 파일명: /www/_acc/css/gallery.css
 * 📌 버전: v1.7
 * 📅 작성일: 2025-12-21
 * 📝 설명: ★ 데스크톱/모바일 요소 분리 (card-date, meta-icons-mobile)
 * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 */

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 * Gallery Grid
 * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
    padding-bottom: 60px;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 * Card Design - ★ CSS 변수 적용
 * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.gallery-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border: 1px solid var(--banana-border);
    transition: transform 0.2s, box-shadow 0.2s, background-color 0.3s;
    display: flex;
    flex-direction: column;
}

.gallery-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(255, 107, 53, 0.15);
}

/* ★ [A-6] 다크모드에서 카드 호버 효과 */
[data-theme="dark"] .gallery-card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 * Card Header (프로필 영역) - ★ CSS 변수 적용
 * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.card-header {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 10px 14px;
    background: var(--card-header-bg);
    gap: 8px;
}

/* ★★★ [v1.7] 데스크톱: header의 card-date 숨김 (모바일에서만 표시) ★★★ */
.card-header .card-date {
    display: none;
}

/* ⭐ 프로필 사진 - 크기 축소 (26px → 22px) */
.user-avatar {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 2px solid var(--banana-border);
    background: #f0f0f0 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ccc'%3E%3Cpath d='M12 12c2.7 0 4.8-2.1 4.8-4.8S14.7 2.4 12 2.4 7.2 4.5 7.2 7.2 9.3 12 12 12zm0 2.4c-3.2 0-9.6 1.6-9.6 4.8v2.4h19.2v-2.4c0-3.2-6.4-4.8-9.6-4.8z'/%3E%3C/svg%3E") center/60% no-repeat;
    transition: transform 0.2s, border-color 0.2s;
}

.user-avatar:hover {
    transform: scale(1.1);
    border-color: var(--primary);
}

.user-avatar.loaded {
    border-color: var(--banana-border);
}

/* ⭐ 유저 링크 - 폰트 크기 증가 (0.95rem → 1rem) */
.user-link {
    font-weight: 700; 
    font-size: 1rem; 
    color: var(--primary);
    text-decoration: none;
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-link:hover { 
    text-decoration: underline; 
    color: #E91E63;
}

.x-link {
    color: var(--text);
    opacity: 0.6;
    transition: opacity 0.2s;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.x-link:hover {
    opacity: 1;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 * Card Image - ★ CSS 변수 적용
 * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.card-image-wrapper {
    padding: 12px;
    background: var(--card-bg);
}

.card-image {
    width: 100%; 
    aspect-ratio: 4 / 5; 
    background: var(--border); 
    cursor: pointer; 
    position: relative; 
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
    border-radius: 12px;
}

.card-image:hover img {
    transform: scale(1.05);
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 * Card Title - ★ CSS 변수 적용
 * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.card-title {
    padding: 8px 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    background: var(--card-bg);
}

/* ★★★ [v3.1] SEO 내부 링크 (시각적 변화 없음, 구글봇만 인식) ★★★ */
.card-seo-link { color: inherit; text-decoration: none; pointer-events: none; }

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 * Card Footer (배지 영역) - ★ CSS 변수 적용
 * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.card-footer {
    padding: 10px 14px; 
    background: var(--card-bg);
    display: flex; 
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* ★★★ [A-3] 카드 날짜 표시 ★★★ */
.card-date {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-right: auto;
}

/* ★★★ [v1.7] 데스크톱: meta-icons-mobile 숨김 (모바일에서만 표시) ★★★ */
.meta-icons-mobile {
    display: none;
}

/* 카테고리 배지 - ★ CSS 변수 적용 */
.badge {
    background: var(--banana-medium);
    color: var(--banana-dark);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    border: 1px solid var(--banana-border);
}

/* ★★★ [A-2] 모델명 배지 (신규 추가) - CSS 변수 적용 ★★★ */
.model-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--meta-bg);
    color: var(--banana-text);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 12px;
    border: 1px solid var(--accent);
    white-space: nowrap;
}

.model-badge .model-icon {
    font-size: 0.85rem;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 * Scroll to Top Button
 * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #f59e0b 0%, #FF6B35 100%);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
}

.scroll-top-btn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top-btn:hover {
    background: linear-gradient(135deg, #FF6B35 0%, #E91E63 100%);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.5);
    transform: translateY(-3px);
}

.scroll-top-btn svg {
    width: 24px;
    height: 24px;
    stroke: white;
    stroke-width: 2.5;
    fill: none;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 * ⭐ [C-4] Card Meta Stats (조회수/복사수/북마크) - CSS 변수 적용
 * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.card-meta-stats {
    display: flex;
    justify-content: space-around;
    gap: 8px;
    padding: 8px 0;
    margin: 0 12px;
    background: var(--card-bg);
    border-top: 1px solid var(--banana-border);
    border-bottom: 1px solid var(--banana-border);
}

.meta-stat {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    color: var(--banana-text);
}

.meta-stat svg {
    stroke: var(--accent);
    flex-shrink: 0;
}

.meta-stat-label {
    color: var(--banana-dark);
    font-size: 0.7rem;
}

.card-view-count,
.card-copy-count,
.card-bookmark-count {
    font-weight: 700;
    color: var(--banana-dark);
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 * [v2.9] Tier Badge - pill style (card-header 내 배치)
 * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.tier-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.4;
    white-space: nowrap;
    margin-left: auto;
    text-transform: uppercase;
}

.tier-free {
    background: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #a5d6a7;
}

.tier-premium {
    background: #fff8e1;
    color: #f57f17;
    border: 1px solid #ffe082;
}

/* ★ 다크모드 */
[data-theme="dark"] .tier-free {
    background: #1b3a1b;
    color: #81c784;
    border-color: #388e3c;
}

[data-theme="dark"] .tier-premium {
    background: #3e2723;
    color: #ffb74d;
    border-color: #e65100;
}

/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 * ★★★ [v3.5] Tier 필터 버튼 (갤러리 상단 필터 바) ★★★
 * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
.tier-filter-group {
    display: inline-flex;
    gap: 6px;
    margin-right: 0;
    padding-right: 12px;
    border-right: 2px solid #fde68a;
    flex-shrink: 0;
    align-items: center;
    position: sticky;
    left: 0;
    z-index: 2;
    background: var(--bg, #fffbeb);
}

.tier-filter-btn {
    display: inline-flex;
    align-items: center;
    height: 38px;
    padding: 0 14px;
    border-radius: 19px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    text-transform: uppercase;
    color: #92400e;
    background: white;
    border: 1px solid #fde68a;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.tier-filter-btn:hover {
    background: #fef3c7;
}

/* All 버튼 active */
.tier-filter-btn.active {
    background: linear-gradient(135deg, #f59e0b 0%, #FF6B35 100%);
    color: white;
    border-color: #FF6B35;
}

/* Free 버튼 active */
.tier-filter-free.active {
    background: linear-gradient(135deg, #43a047 0%, #2e7d32 100%);
    color: white;
    border-color: #2e7d32;
}

/* Pro 버튼 active */
.tier-filter-premium.active {
    background: linear-gradient(135deg, #ffa726 0%, #f57f17 100%);
    color: white;
    border-color: #f57f17;
}

/* ★ 다크모드 */
[data-theme="dark"] .tier-filter-group {
    border-right-color: #475569;
    background: var(--bg, #0f172a);
}

[data-theme="dark"] .tier-filter-btn {
    background: var(--surface, #1e293b);
    color: var(--text-secondary, #94a3b8);
    border-color: var(--border, #475569);
}

[data-theme="dark"] .tier-filter-btn:hover {
    background: var(--banana-light, #374151);
    color: var(--text, #e5e7eb);
}

[data-theme="dark"] .tier-filter-btn.active {
    color: white;
}

/* ★ 모바일 반응형 */
@media (max-width: 768px) {
    .tier-filter-group {
        margin-right: 8px;
        padding-right: 8px;
        gap: 4px;
    }

    .tier-filter-btn {
        height: 32px;
        padding: 0 10px;
        font-size: 12px;
    }
}