/**
 * 파일명: index.css
 * 파일경로: /home/urlkr/public_html/webzine/assets/css/
 * 기능: 프론트 메인 페이지 고유 스타일
 * 작성일: 2026-03-30
 * 수정일: 2026-08-22 - 모바일 카테고리 탭 세로 줄바꿈 수정(flex-shrink 방지)
 */

/* ===== 히어로 ===== */
.hero {
    text-align: center;
    padding: 72px 24px 64px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-light);
}

.hero-inner {
    max-width: 640px;
    margin: 0 auto;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 3.2rem;
    font-weight: 400;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.hero-desc {
    font-size: 1rem;
    color: var(--text-muted);
    font-style: italic;
    letter-spacing: 0.01em;
}

/* ===== 컨테이너 ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 24px 72px;
}

/* ===== 섹션 헤더 (검색/카테고리 결과) ===== */
.section-header {
    margin-bottom: 36px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.section-header a {
    color: var(--color-accent-dark);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.section-desc {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ===== 카드 그리드 ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.card {
    display: flex;
    flex-direction: column;
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: all 0.25s ease;
}

.card:hover {
    border-color: var(--border-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-thumb {
    width: 100%;
    padding-top: 62%;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-muted) 0%, var(--border-light) 100%);
}

.card-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.card:hover .card-thumb img {
    transform: scale(1.03);
}

.card-thumb-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px;
    text-align: center;
    background: linear-gradient(135deg, var(--bg-muted) 0%, var(--border-light) 100%);
}


.card-thumb-title {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--text-primary);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-body {
    padding: 20px 22px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-category {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    color: var(--color-accent-dark);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 10px;
    align-self: flex-start;
}

.card-title {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--text-primary);
    line-height: 1.45;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    letter-spacing: -0.01em;
}

.card:hover .card-title {
    color: var(--color-accent-dark);
}

.card-excerpt {
    font-size: 13.5px;
    color: var(--text-secondary);
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 14px;
    flex: 1;
}

.card-date {
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

/* ===== 레이아웃 전환 버튼 ===== */
.layout-switch {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    margin-bottom: 20px;
}

.layout-switch-label {
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

.layout-switch-group {
    display: flex;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.layout-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 32px;
    padding: 0;
    border: 0;
    border-left: 1px solid var(--border-light);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
}

.layout-btn:first-child {
    border-left: 0;
}

.layout-btn svg {
    width: 16px;
    height: 16px;
}

.layout-btn:hover {
    background: var(--bg-muted);
    color: var(--text-primary);
}

.layout-btn.active {
    background: var(--color-accent-dark);
    color: var(--text-inverse);
}

/* ===== 레이아웃: 리스트형 (썸네일 없음) =====
   날짜를 왼쪽 열에 고정해 목차처럼 읽히게 하고, 본문은 오른쪽에 모은다 */
.card-grid.layout-list {
    grid-template-columns: 1fr;
    gap: 0;
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.card-grid.layout-list .card {
    position: relative;
    flex-direction: column;
    background: transparent;
    border: 0;
    /* 페이지 배경(#F4F5F9)과 구분선(#E8EAF2)이 거의 같은 색이라 글 경계가 안 보였다 */
    border-bottom: 1px solid var(--border-color);
    border-radius: 0;
    padding: 30px 32px 30px 172px;
}

.card-grid.layout-list .card:last-child {
    border-bottom: 0;
}

.card-grid.layout-list .card:hover {
    box-shadow: none;
    transform: none;
}

.card-grid.layout-list .card-thumb {
    display: none;
}

.card-grid.layout-list .card-body {
    padding: 0;
}

/* 왼쪽 날짜 열 */
.card-grid.layout-list .card-date {
    position: absolute;
    left: 32px;
    top: 34px;
    width: 108px;
    text-align: right;
    line-height: 1.3;
}

.card-grid.layout-list .card-date-year {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.35rem;
    color: var(--text-secondary);
}

.card-grid.layout-list .card-date-sep {
    display: none;
}

.card-grid.layout-list .card-date-md {
    display: block;
    font-size: 12px;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.card-grid.layout-list .card-title {
    font-size: 1.35rem;
    margin-bottom: 12px;
}

/* 요약은 가로폭을 다 쓴다 (폭 제한을 두면 오른쪽이 비어 보인다) */
.card-grid.layout-list .card-excerpt {
    -webkit-line-clamp: 3;
    flex: none;
    margin-bottom: 0;
}

/* ===== 레이아웃: 리스트형 (썸네일 있음) ===== */
.card-grid.layout-card {
    grid-template-columns: 1fr;
    gap: 0;
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.card-grid.layout-card .card {
    flex-direction: row;
    align-items: flex-start;
    background: transparent;
    border: 0;
    /* 리스트형과 같은 이유 — 옅은 선은 배경에 묻혀 글 경계가 안 보인다 */
    border-bottom: 1px solid var(--border-color);
    border-radius: 0;
    padding: 26px 32px;
}

.card-grid.layout-card .card:last-child {
    border-bottom: 0;
}

.card-grid.layout-card .card:hover {
    box-shadow: none;
    transform: none;
}

.card-grid.layout-card .card-thumb {
    flex: 0 0 240px;
    width: 240px;
    height: 150px;
    padding-top: 0;
    border-radius: var(--radius-sm);
}

.card-grid.layout-card .card-body {
    padding: 2px 0 2px 24px;
}

.card-grid.layout-card .card-title {
    font-size: 1.25rem;
}

/* ===== 레이아웃: 바둑판형 ===== */
.card-grid.layout-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.card-grid.layout-grid .card-body {
    padding: 16px 16px 20px;
}

.card-grid.layout-grid .card-category {
    margin-bottom: 8px;
}

.card-grid.layout-grid .card-title {
    font-size: 1rem;
}

.card-grid.layout-grid .card-excerpt {
    font-size: 13px;
}

/* ===== 빈 상태 ===== */
.empty-state {
    text-align: center;
    padding: 80px 24px;
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

.empty-icon {
    width: 48px;
    height: 48px;
    color: var(--border-color);
    margin-bottom: 16px;
}

.empty-state h3 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--text-secondary);
    font-size: 14px;
}

.empty-state a {
    color: var(--color-accent-dark);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* ===== 페이지네이션 ===== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 56px;
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    transition: all var(--transition);
}

.page-link svg {
    width: 16px;
    height: 16px;
}

.page-link:hover {
    border-color: var(--text-primary);
    background: var(--bg-muted);
}

.page-link.active {
    background: var(--text-primary);
    border-color: var(--text-primary);
    color: var(--text-inverse);
}

.page-link.disabled {
    color: var(--text-muted);
    cursor: not-allowed;
    pointer-events: none;
    opacity: 0.4;
}

.page-dots {
    padding: 0 4px;
    color: var(--text-muted);
}

/* ===== 반응형: 태블릿 ===== */
@media (max-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .hero {
        padding: 56px 24px 48px;
    }

    .hero-title {
        font-size: 2.6rem;
    }

    .card-grid.layout-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .card-grid.layout-card .card-thumb {
        flex-basis: 190px;
        width: 190px;
        height: 120px;
    }
}

/* ===== 반응형: 모바일 ===== */
@media (max-width: 640px) {
    .hero {
        padding: 40px 20px 36px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-desc {
        font-size: 0.9rem;
    }

    .container {
        padding: 28px 16px 48px;
    }

    .card-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }

    .card-body {
        padding: 14px 14px 18px;
    }

    .card-category {
        font-size: 10px;
    }

    .card-title {
        font-size: 0.9rem;
    }

    .card-excerpt {
        display: none;
    }

    .card-date {
        font-size: 11px;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .pagination {
        gap: 4px;
        margin-top: 36px;
    }

    .page-link {
        min-width: 36px;
        height: 36px;
        font-size: 13px;
    }

    .layout-switch-label {
        display: none;
    }

    /* 모바일은 폭이 좁아 왼쪽 날짜 열을 두지 않고 제목 아래 한 줄로 되돌린다 */
    .card-grid.layout-list .card {
        padding: 18px 16px;
    }

    .card-grid.layout-list .card-title {
        font-size: 1.05rem;
        margin-bottom: 8px;
    }

    .card-grid.layout-list .card-date {
        position: static;
        width: auto;
        text-align: left;
        margin-top: 10px;
    }

    .card-grid.layout-list .card-date-year,
    .card-grid.layout-list .card-date-sep,
    .card-grid.layout-list .card-date-md {
        display: inline;
        font-family: var(--font-sans);
        font-size: 11px;
        letter-spacing: 0;
        color: var(--text-muted);
    }

    /* 썸네일이 없는 레이아웃이므로 모바일에서도 요약을 보여준다 */
    .card-grid.layout-list .card-excerpt {
        display: -webkit-box;
        -webkit-line-clamp: 2;
        max-width: none;
    }

    .card-grid.layout-card .card {
        padding: 16px;
    }

    .card-grid.layout-card .card-thumb {
        flex-basis: 116px;
        width: 116px;
        height: 78px;
    }

    .card-grid.layout-card .card-body {
        padding: 0 0 0 14px;
    }

    .card-grid.layout-card .card-title {
        font-size: 0.95rem;
    }

    .card-grid.layout-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
}

/* ===== 반응형: 작은 모바일 ===== */
@media (max-width: 380px) {
    .container {
        padding: 20px 12px 36px;
    }

    .card-grid {
        gap: 10px;
    }

    .card-body {
        padding: 12px 12px 14px;
    }

    .card-title {
        font-size: 0.82rem;
    }

    .hero-title {
        font-size: 1.7rem;
    }
}