/**
 * 파일명: style.css
 * 기능: bestgift.kr 프론트 공통 스타일 (DS02 Tech Emerald)
 * 작성일: 2026-07-09
 * 관리자 전용 스타일은 admin_style.css 분리 (여기 금지)
 */

/* ================= 디자인 토큰 (theme-selector 확정 블록) ================= */
:root {
    /* ── 배경 ── */
    --color-bg:             #ffffff;
    --color-bg-light:       #f8f9fa;

    /* ── 브랜드 (에메랄드 그린) ── */
    --color-primary:        #10a37f;
    --color-primary-light:  #1ad1a4;
    --color-primary-dark:   #0b755c;

    /* ── 다크 / 푸터 ── */
    --color-secondary:      #343541;

    /* ── 텍스트 ── */
    --color-text:           #343541;      /* = --color-secondary */
    --color-text-sub:       #6c757d;

    /* ── 테두리 ── */
    --color-border:         #eeeeee;
    --color-border-strong:  #d8dbe0;

    /* ── 그래디언트 ── */
    --color-gradient-start: #10a37f;
    --color-gradient-end:   #5664d2;

    /* ── 그림자 ── */
    --shadow-sm:            0 2px 15px rgba(0, 0, 0, 0.05);
    --shadow-md:            0 15px 30px rgba(0, 0, 0, 0.10);

    /* ── 모서리 ── */
    --radius-sm:            8px;
    --radius-md:            12px;
    --radius-lg:            16px;

    /* ── 트랜지션 ── */
    --transition:           0.3s ease;

    /* ── 확장 토큰 (상태·간격·폰트 크기) ── */
    --color-up:             #e03131;   /* 순위 상승 (한국 관례: 상승=빨강) */
    --color-down:           #1971c2;   /* 순위 하락 */
    --color-error-bg:       #fdecec;
    --color-error-text:     #c92a2a;
    --space-1: 4px;  --space-2: 8px;  --space-3: 12px;
    --space-4: 16px; --space-5: 24px; --space-6: 32px;
    --fs-xs: 0.8125rem; --fs-sm: 0.9375rem; --fs-base: 1rem;
    --fs-lg: 1.125rem;  --fs-xl: 1.375rem;  --fs-2xl: 1.75rem;
}

/* ================= 베이스 ================= */
* { box-sizing: border-box; }
html { scrollbar-gutter: stable; }
body {
    margin: 0;
    font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
        system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo",
        "Noto Sans KR", "Malgun Gothic", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    word-break: keep-all;
}
img { max-width: 100%; height: auto; }
a { color: var(--color-primary-dark); text-decoration: none; }
a:hover { color: var(--color-primary); }
h1, h2, h3 { line-height: 1.3; color: var(--color-text); }

.container-lg { max-width: 1100px; margin: 0 auto; padding: 0 var(--space-4); }
.container    { max-width: 720px;  margin: 0 auto; padding: 0 var(--space-4); }
.container-sm { max-width: 480px;  margin: 0 auto; padding: 0 var(--space-4); }

/* ================= 헤더 / 네비 ================= */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(255,255,255,0.92);
    backdrop-filter: saturate(180%) blur(10px);
    border-bottom: 1px solid var(--color-border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); min-height: 60px; }
.site-logo { display: flex; align-items: center; gap: var(--space-2); font-weight: 800; font-size: var(--fs-lg); color: var(--color-text); }
.logo-mark { display: block; height: 32px; width: auto; }
.site-logo .logo-mark { transition: transform 0.25s ease; }
.site-logo:hover .logo-mark { transform: rotate(-8deg) scale(1.06); }
.site-nav { display: flex; gap: var(--space-2); }
.site-nav a {
    position: relative; padding: 8px var(--space-3); border-radius: var(--radius-sm);
    color: var(--color-text-sub); font-weight: 600; font-size: var(--fs-sm);
    transition: color 0.2s ease, background 0.2s ease;
}
.site-nav a::after {
    content: ""; position: absolute; left: var(--space-3); right: var(--space-3); bottom: 3px;
    height: 2px; border-radius: 2px; background: var(--color-primary);
    transform: scaleX(0); transform-origin: left center; transition: transform 0.25s ease;
}
.site-nav a:hover { color: var(--color-primary); background: var(--color-bg-light); }
.site-nav a:hover::after, .site-nav a.is-active::after { transform: scaleX(1); }
.site-nav a.is-active { color: var(--color-primary-dark); background: rgba(16, 163, 127, 0.08); }
.nav-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; flex-direction: column; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-bg); cursor: pointer; transition: border-color 0.2s ease; }
.nav-toggle:hover { border-color: var(--color-primary); }
.nav-toggle-bar {
    display: block; width: 20px; height: 2px; margin: 2.5px 0;
    background: var(--color-text); border-radius: 2px;
    transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease;
}
.nav-toggle:hover .nav-toggle-bar { background: var(--color-primary-dark); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ================= 히어로 ================= */
.hero {
    padding: 56px 0 44px; text-align: center;
    background: linear-gradient(180deg, #eefaf6 0%, var(--color-bg-light) 100%);
    border-bottom: 1px solid var(--color-border);
}
.hero h1 { margin: 0 0 var(--space-3); font-size: clamp(1.5rem, 1.1rem + 2vw, 2.25rem); animation: fadeUp 0.5s ease both; }
.hero h1 .accent { color: var(--color-primary); }
.hero-sub { max-width: 640px; margin: 0 auto var(--space-4); color: var(--color-text-sub); font-size: var(--fs-lg); animation: fadeUp 0.5s ease 0.1s both; }
.hero-badges { animation: fadeUp 0.5s ease 0.2s both; }
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: none; }
}
.hero-badges { display: flex; flex-wrap: wrap; gap: var(--space-2); justify-content: center; }
.hero-badge {
    padding: 6px var(--space-3); border-radius: 999px;
    background: rgba(16, 163, 127, 0.1); border: 1px solid rgba(16, 163, 127, 0.2);
    font-size: var(--fs-xs); font-weight: 600; color: var(--color-primary-dark);
}

/* ================= 섹션 공통 ================= */
.section { padding: var(--space-6) 0; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-3); margin-bottom: var(--space-4); }
.section-head h2 { margin: 0; font-size: var(--fs-xl); position: relative; padding-left: 14px; }
.section-head h2::before {
    content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
    width: 4px; height: 1.1em; border-radius: 2px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-primary-light));
}
.section-head .more-link { font-size: var(--fs-sm); font-weight: 600; }
.section-note { color: var(--color-text-sub); font-size: var(--fs-xs); }

/* ================= 테마 선택 박스 ================= */
.theme-panel {
    padding: var(--space-5); border: 2px solid var(--color-primary);
    border-radius: var(--radius-md); background: var(--color-bg); box-shadow: var(--shadow-sm);
}
.theme-panel .section-note { margin: var(--space-3) 0 0; }
.theme-select-wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }
.theme-select-wrap label { display: block; margin-bottom: var(--space-1); font-size: var(--fs-xs); font-weight: 700; color: var(--color-text-sub); }
.theme-select {
    width: 100%; min-height: 44px; padding: 8px var(--space-3);
    border: 1px solid var(--color-primary-light); border-radius: var(--radius-sm);
    background: var(--color-bg); color: var(--color-text); font-size: var(--fs-sm);
}
.theme-select:focus { outline: 2px solid var(--color-primary-light); border-color: var(--color-primary); }

/* ================= 상품 카드 ================= */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
.product-card {
    display: flex; flex-direction: column; overflow: hidden;
    border: 1px solid var(--color-border-strong); border-radius: var(--radius-md);
    background: var(--color-bg); box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.product-card:hover { border-color: var(--color-primary-light); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.product-thumb { aspect-ratio: 1 / 1; background: var(--color-bg-light); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.product-thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-body { display: flex; flex-direction: column; gap: var(--space-1); padding: var(--space-3); flex: 1; }
.product-name { margin: 0; font-size: var(--fs-sm); font-weight: 600; color: var(--color-text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.9em; }
.product-price { font-weight: 800; color: var(--color-primary-dark); }
.product-price .unit { font-size: var(--fs-xs); font-weight: 500; color: var(--color-text-sub); }
.pick-badge {
    align-self: flex-start; padding: 2px 8px; border-radius: 999px;
    background: rgba(16, 163, 127, 0.1); color: var(--color-primary-dark);
    font-size: 11px; font-weight: 800; letter-spacing: 0.02em;
}

/* ================= LIVE 상태 바 ================= */
.live-bar {
    display: flex; flex-wrap: wrap; align-items: center;
    gap: var(--space-2) var(--space-4);
    padding: var(--space-3) var(--space-4); margin-bottom: var(--space-4);
    border: 1px solid var(--color-border); border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-sm); background: var(--color-bg-light);
    font-size: var(--fs-sm); color: var(--color-text-sub);
}
.live-badge {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: var(--fs-xs); font-weight: 800; letter-spacing: 0.08em;
    color: var(--color-primary-dark);
}
.live-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--color-primary);
    animation: livePulse 1.6s ease-out infinite;
}
@keyframes livePulse {
    0%   { box-shadow: 0 0 0 0 rgba(16, 163, 127, 0.45); }
    70%  { box-shadow: 0 0 0 8px rgba(16, 163, 127, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 163, 127, 0); }
}
.live-bar strong { color: var(--color-text); font-weight: 700; }
.live-bar .live-num { color: var(--color-primary-dark); font-variant-numeric: tabular-nums; }

/* ================= 랭킹 ================= */
.ranking-table { width: 100%; border-collapse: collapse; }
.ranking-table th {
    padding: var(--space-2) var(--space-3); text-align: left;
    font-size: var(--fs-xs); font-weight: 700; color: var(--color-text-sub);
    border-bottom: 2px solid var(--color-border); white-space: nowrap;
}
.ranking-table td { padding: var(--space-3); border-bottom: 1px solid var(--color-border); vertical-align: middle; }
.ranking-table td.rank-go { text-align: right; }
.ranking-table tbody tr { transition: background 0.15s ease; }
.ranking-table tbody tr:hover { background: rgba(16, 163, 127, 0.05); }
.rank-no { width: 44px; font-size: var(--fs-lg); font-weight: 800; color: var(--color-text-sub); text-align: center; }
.rank-no.top3 { color: var(--color-primary); }
.rank-change { display: inline-block; min-width: 40px; font-size: var(--fs-xs); font-weight: 700; text-align: center; }
.rank-up   { color: var(--color-up); }
.rank-down { color: var(--color-down); }
.rank-new  { color: var(--color-primary); }
.rank-same { color: var(--color-text-sub); }
.rank-product { display: flex; align-items: center; gap: var(--space-3); min-width: 0; }
.rank-thumb { flex: none; width: 48px; height: 48px; border-radius: var(--radius-sm); background: var(--color-bg-light); object-fit: cover; }
.rank-name { font-weight: 600; color: var(--color-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rank-count { white-space: nowrap; color: var(--color-text-sub); font-size: var(--fs-sm); }
.ranking-tabs { display: flex; gap: var(--space-2); margin-bottom: var(--space-4); flex-wrap: wrap; }
.ranking-tab {
    min-height: 44px; padding: 8px var(--space-4); border-radius: 999px;
    border: 1px solid var(--color-border); background: var(--color-bg);
    color: var(--color-text-sub); font-size: var(--fs-sm); font-weight: 600; cursor: pointer;
}
.ranking-tab.is-active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.ranking-panel[hidden] { display: none; }
.table-scroll { overflow-x: auto; }

/* ================= 카테고리 ================= */
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.category-card {
    display: flex; flex-direction: column; padding: var(--space-4);
    border: 1px solid var(--color-border); border-radius: var(--radius-md);
    background: var(--color-bg);
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.category-card:hover { border-color: var(--color-primary); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.cat-card-title {
    display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-2);
    padding-bottom: var(--space-2); margin-bottom: var(--space-3);
    border-bottom: 2px solid var(--color-primary);
    font-weight: 700; color: var(--color-text);
    transition: color 0.2s ease;
}
.cat-card-title:hover { color: var(--color-primary-dark); }
.cat-count { font-size: var(--fs-xs); font-weight: 500; color: var(--color-text-sub); white-space: nowrap; }
.category-card .subcat-chips { margin: 0; }
.subcat-chips a.subcat-more { border-color: transparent; background: transparent; }

/* ================= 전체 카테고리 개요 ================= */
.cat-overview { display: flex; flex-direction: column; gap: var(--space-4); }
.cat-row {
    position: relative; overflow: hidden;
    display: grid; grid-template-columns: 200px 1fr; gap: var(--space-5);
    padding: var(--space-5); border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-lg); background: var(--color-bg);
    box-shadow: var(--shadow-sm);
    transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}
.cat-row::before {
    content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
    background: linear-gradient(180deg, var(--color-gradient-start), var(--color-gradient-end));
    opacity: 0; transition: opacity 0.25s ease;
}
.cat-row:hover { border-color: var(--color-primary-light); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.cat-row:hover::before { opacity: 1; }
.cat-row-top { display: flex; flex-direction: column; gap: 4px; }
.cat-top-thumb {
    position: relative; display: block; overflow: hidden;
    border: 1px solid var(--color-primary-light); border-radius: var(--radius-md);
    background: var(--color-bg-light); margin-bottom: var(--space-2);
}
.cat-top-thumb img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; transition: transform 0.35s ease; }
.cat-row-top:hover .cat-top-thumb img { transform: scale(1.06); }
.cat-top-badge {
    display: block; margin-bottom: var(--space-2);
    font-size: var(--fs-xs); font-weight: 800; color: var(--color-primary-dark);
}
.cat-row-top.is-empty {
    align-items: center; justify-content: center; aspect-ratio: 1;
    border: 1px dashed var(--color-border); border-radius: var(--radius-md);
    color: var(--color-text-sub); font-size: var(--fs-xs); background: var(--color-bg-light);
}
.cat-top-name {
    font-size: var(--fs-sm); font-weight: 600; color: var(--color-text); line-height: 1.4;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.cat-row-top:hover .cat-top-name { color: var(--color-primary-dark); }
.cat-top-price { font-size: var(--fs-xs); font-weight: 700; color: var(--color-text-sub); }
.cat-row-body { min-width: 0; }
.cat-row-title {
    display: flex; align-items: center; gap: var(--space-2);
    font-size: var(--fs-xl); font-weight: 800; color: var(--color-text);
    padding-bottom: var(--space-3); margin-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}
.cat-row-title::after {
    content: "→"; font-size: var(--fs-base); color: var(--color-primary);
    opacity: 0; transform: translateX(-6px); transition: opacity 0.2s ease, transform 0.2s ease;
}
.cat-row-title:hover { color: var(--color-primary-dark); }
.cat-row-title:hover::after { opacity: 1; transform: translateX(0); }
.cat-row-title .cat-count {
    padding: 2px 10px; border-radius: 999px;
    background: rgba(16, 163, 127, 0.1); color: var(--color-primary-dark);
    font-size: var(--fs-xs); font-weight: 700;
}
.cat-row-body .subcat-chips { margin: 0; }
.subcat-chips { display: flex; flex-wrap: wrap; gap: var(--space-2); margin: var(--space-3) 0; }
.subcat-chips a {
    padding: 6px var(--space-3); border-radius: 999px; min-height: 36px;
    border: 1px solid var(--color-border); background: var(--color-bg);
    font-size: var(--fs-xs); font-weight: 600; color: var(--color-text-sub);
}
.subcat-chips a:hover, .subcat-chips a.is-active { border-color: var(--color-primary); color: var(--color-primary-dark); }

/* ================= 상품 상세 ================= */
.product-detail { display: grid; grid-template-columns: 1fr 1.2fr; gap: var(--space-6); align-items: start; }
.product-detail-image { border: 1px solid var(--color-primary-light); border-radius: var(--radius-lg); overflow: hidden; background: var(--color-bg-light); }
.product-detail h1 { margin: 0 0 var(--space-3); font-size: var(--fs-2xl); }
.product-detail .price { font-size: var(--fs-xl); font-weight: 800; color: var(--color-primary-dark); margin-bottom: var(--space-4); }
.product-desc { white-space: pre-line; color: var(--color-text); margin: var(--space-4) 0; }
.detail-meta { color: var(--color-text-sub); font-size: var(--fs-sm); margin-bottom: var(--space-4); }

.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); margin: var(--space-5) 0 var(--space-4); font-size: var(--fs-sm); color: var(--color-text-sub); }
.breadcrumb a { color: var(--color-text-sub); }
.breadcrumb a:hover { color: var(--color-primary-dark); }
.breadcrumb [aria-current="page"] { color: var(--color-text); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 60vw; }

.product-spec { width: 100%; border-collapse: collapse; margin-bottom: var(--space-4); font-size: var(--fs-sm); }
.product-spec th { width: 110px; padding: var(--space-2) 0; text-align: left; font-weight: 600; color: var(--color-text-sub); vertical-align: top; }
.product-spec td { padding: var(--space-2) 0; color: var(--color-text); }
.product-spec tr + tr th, .product-spec tr + tr td { border-top: 1px solid var(--color-border); }

.detail-section h2 { font-size: var(--fs-lg); margin: 0 0 var(--space-3); }
.sales-summary { padding: var(--space-3) var(--space-4); border-left: 3px solid var(--color-primary); background: var(--color-bg-light); border-radius: var(--radius-sm); font-size: var(--fs-sm); color: var(--color-text); }
.usage-list { margin: 0; padding-left: var(--space-5); display: grid; gap: var(--space-2); }
.usage-list li { color: var(--color-text); }
.faq-item h3 { margin: 0 0 var(--space-2); font-size: var(--fs-base); }
.sales-history { max-width: 480px; }
.sales-history th { border-bottom-color: var(--color-primary); }

.rank-badge {
    display: inline-flex; align-items: center; gap: 4px;
    margin: 0 var(--space-2) var(--space-2) 0; padding: 4px 12px; border-radius: 999px;
    background: var(--color-primary); color: #fff;
    font-size: var(--fs-xs); font-weight: 700; text-decoration: none;
}
.rank-badge:hover { background: var(--color-primary-dark); color: #fff; }
.rank-badge strong { font-weight: 800; }

.floating-cta {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 40;
    background: var(--color-bg); border-top: 1px solid var(--color-border);
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08);
    padding: var(--space-2) 0;
    padding-bottom: calc(var(--space-2) + env(safe-area-inset-bottom, 0px));
}
.floating-cta-inner { display: flex; align-items: center; gap: var(--space-4); }
.floating-cta-name {
    flex: 1; min-width: 0; font-size: var(--fs-sm); font-weight: 600; color: var(--color-text);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.floating-cta-btn { flex: none; }
.floating-cta .cta-short { display: none; }
/* 플로팅 바에 본문/푸터가 가리지 않도록 (product.php에서 바 앞에 배치) */
.floating-cta-spacer { height: 72px; }

@media (max-width: 767px) {
    .floating-cta .cta-long { display: none; }
    .floating-cta .cta-short { display: inline; }
}

/* ================= 버튼 ================= */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
    min-height: 44px; padding: 10px var(--space-5);
    border: 1px solid transparent; border-radius: var(--radius-sm);
    font-size: var(--fs-base); font-weight: 700; cursor: pointer; text-decoration: none;
    transition: background var(--transition);
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; }
.btn-outline { background: var(--color-bg); border-color: var(--color-primary); color: var(--color-primary-dark); }
.btn-outline:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.btn-sm { min-height: 36px; padding: 6px var(--space-3); font-size: var(--fs-sm); }
.btn-block { display: flex; width: 100%; }

/* ================= 폼 ================= */
.form-group { margin-bottom: var(--space-4); }
.form-label { display: block; margin-bottom: var(--space-1); font-weight: 700; font-size: var(--fs-sm); }
.form-control {
    width: 100%; min-height: 44px; padding: 10px var(--space-3);
    border: 1px solid var(--color-border); border-radius: var(--radius-sm);
    font-size: 16px; color: var(--color-text); background: var(--color-bg);
}
.form-control:focus { outline: 2px solid var(--color-primary-light); border-color: var(--color-primary); }
.form-hint { font-size: var(--fs-xs); color: var(--color-text-sub); margin-top: var(--space-1); }
.input-eye-wrap { position: relative; }
.input-eye-wrap .form-control { padding-right: 48px; }
.input-eye {
    position: absolute; top: 50%; right: 6px; transform: translateY(-50%);
    width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
    border: none; background: none; color: var(--color-text-sub); cursor: pointer;
}
.alert { padding: var(--space-3) var(--space-4); border-radius: var(--radius-sm); margin-bottom: var(--space-4); font-size: var(--fs-sm); }
.alert-error { background: var(--color-error-bg); color: var(--color-error-text); }
.alert-success { background: rgba(16, 163, 127, 0.1); color: var(--color-primary-dark); }

/* ================= 카드 ================= */
.card { padding: var(--space-5); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-bg); box-shadow: var(--shadow-sm); }

/* ================= 페이지네이션 ================= */
.pagination { display: flex; flex-wrap: wrap; gap: var(--space-1); justify-content: center; margin: var(--space-5) 0; }
.pagination a, .pagination span {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 40px; min-height: 40px; padding: 0 var(--space-2);
    border: 1px solid var(--color-border); border-radius: var(--radius-sm);
    font-size: var(--fs-sm); color: var(--color-text-sub);
}
.pagination a:hover { border-color: var(--color-primary); color: var(--color-primary-dark); }
.pagination .is-active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; font-weight: 700; }
.pagination .page-gap { border: none; background: none; color: var(--color-text-sub); }

/* ================= 정적/약관 페이지 ================= */
.page-title { margin: var(--space-6) 0 var(--space-4); font-size: var(--fs-2xl); }
.cat-intro { margin: var(--space-3) 0 0; font-size: var(--fs-base); line-height: 1.8; color: var(--color-text); }

/* ================= 서브페이지 공통 ================= */
.page-hero {
    padding: var(--space-6) 0;
    background: linear-gradient(135deg, rgba(16, 163, 127, 0.08), rgba(86, 100, 210, 0.08));
    border-bottom: 1px solid var(--color-border);
}
.page-hero h1 { margin: 0; font-size: clamp(1.5rem, 1.1rem + 2vw, 2.25rem); }
.page-hero .page-lead { margin: var(--space-2) 0 0; color: var(--color-text-sub); font-size: var(--fs-base); }
.page-body { padding: var(--space-5) 0 var(--space-6); }

.prose { line-height: 1.8; }
.prose h2 { display: flex; align-items: center; gap: var(--space-2); margin-top: var(--space-6); font-size: var(--fs-lg); }
.prose h2::before {
    content: ""; flex: none; width: 4px; height: 1.05em; border-radius: 2px;
    background: linear-gradient(180deg, var(--color-gradient-start), var(--color-gradient-end));
}
.prose p, .prose li { color: var(--color-text); font-size: var(--fs-base); }

.info-box {
    margin-top: var(--space-6); padding: var(--space-4);
    background: var(--color-bg-light); border-radius: var(--radius-md);
    font-size: var(--fs-sm); color: var(--color-text-sub); line-height: 1.9;
}

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); margin: var(--space-4) 0; }
.feature-card {
    padding: var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-md);
    background: var(--color-bg);
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.feature-card:hover { border-color: var(--color-primary); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.feature-icon {
    display: flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: 10px; margin-bottom: var(--space-3);
    background: rgba(16, 163, 127, 0.1); color: var(--color-primary-dark);
}
.feature-card strong { display: block; margin-bottom: var(--space-1); }
.feature-card p { margin: 0; font-size: var(--fs-sm); color: var(--color-text-sub); }

.step-list { list-style: none; counter-reset: step; display: flex; flex-direction: column; gap: var(--space-3); margin: var(--space-4) 0; padding: 0; }
.step-list li { position: relative; padding-left: 44px; }
.step-list li::before {
    counter-increment: step; content: counter(step);
    position: absolute; left: 0; top: -2px;
    display: flex; align-items: center; justify-content: center;
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--color-primary); color: #fff; font-size: var(--fs-sm); font-weight: 700;
}

.inquiry-card {
    text-align: center; padding: var(--space-6) var(--space-5);
    border: 1px solid var(--color-border); border-radius: var(--radius-lg);
    background: var(--color-bg); box-shadow: var(--shadow-sm);
}
.inquiry-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 56px; height: 56px; border-radius: 50%; margin-bottom: var(--space-3);
    background: rgba(16, 163, 127, 0.1); color: var(--color-primary-dark);
}
.notice-box {
    margin-top: var(--space-4); padding: var(--space-3) var(--space-4); text-align: left;
    background: var(--color-bg-light); border-left: 3px solid var(--color-primary); border-radius: var(--radius-sm);
    font-size: var(--fs-sm); color: var(--color-text-sub);
}

.faq-item {
    border: 1px solid var(--color-primary-light); border-radius: var(--radius-md);
    background: var(--color-bg); padding: var(--space-4); margin-bottom: var(--space-3);
    transition: border-color 0.2s ease;
}
.faq-item:hover { border-color: var(--color-primary); }
.faq-item h2 { display: flex; align-items: baseline; gap: var(--space-2); margin: 0 0 var(--space-2); font-size: var(--fs-base); }
.faq-q {
    flex: none; align-self: flex-start;
    display: flex; align-items: center; justify-content: center;
    width: 26px; height: 26px; border-radius: 8px;
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
    color: #fff; font-size: 14px; font-weight: 800;
}
.faq-answer { margin: 0; color: var(--color-text-sub); font-size: var(--fs-sm); line-height: 1.7; }
.faq-list .faq-answer { margin-left: calc(26px + var(--space-2)); }

/* ================= changelog ================= */
.changelog-year { margin: var(--space-6) 0 var(--space-3); font-size: var(--fs-lg); }
.changelog-list {
    position: relative; padding-left: 20px; border-left: 2px solid var(--color-border);
    display: flex; flex-direction: column; gap: var(--space-4);
}
.changelog-item { position: relative; }
.changelog-item::before {
    content: ""; position: absolute; left: -27px; top: 4px;
    width: 12px; height: 12px; border-radius: 50%;
    background: var(--color-primary); box-shadow: 0 0 0 3px rgba(16, 163, 127, 0.15);
}
.changelog-meta { display: flex; align-items: center; gap: var(--space-2); margin-bottom: 2px; }
.changelog-date { color: var(--color-text-sub); font-size: var(--fs-xs); }
.changelog-type { padding: 1px 8px; border-radius: 999px; background: rgba(16, 163, 127, 0.1); font-size: 11px; font-weight: 700; color: var(--color-primary-dark); }
.changelog-body strong { display: block; font-size: var(--fs-sm); }
.changelog-body span { font-size: var(--fs-xs); color: var(--color-text-sub); }

/* ================= 푸터 ================= */
.site-footer { margin-top: var(--space-6); padding: var(--space-6) 0 var(--space-5); background: var(--color-secondary); color: #c6c8ce; }
.site-footer a { color: #e6e7ea; transition: color 0.2s ease; }
.site-footer a:hover { color: var(--color-primary-light); }
.footer-grid {
    display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: var(--space-6);
    padding-bottom: var(--space-5); margin-bottom: var(--space-4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer-brand .site-logo { color: #fff; margin-bottom: var(--space-2); }
.footer-brand .logo-mark { filter: brightness(1.25); }
.footer-brand p { margin: 0; font-size: var(--fs-sm); line-height: 1.7; color: #9ea0a8; }
.footer-col { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col strong { font-size: var(--fs-xs); font-weight: 700; letter-spacing: 0.06em; color: #8e9097; text-transform: uppercase; margin-bottom: var(--space-1); }
.footer-col a { font-size: var(--fs-sm); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-2) var(--space-4); }
.footer-biz, .footer-copy { font-size: var(--fs-xs); line-height: 1.8; margin: 0; color: #9ea0a8; }
.footer-updated { display: inline-block; margin-left: var(--space-2); }

/* ================= 반응형 (Bootstrap 5.3 breakpoints) ================= */
/* ≤ 991px (LG 미만) */
@media (max-width: 991px) {
    .product-grid { grid-template-columns: repeat(3, 1fr); }
    .theme-select-wrap { grid-template-columns: repeat(2, 1fr); }
    .category-grid { grid-template-columns: repeat(2, 1fr); }
}
/* ≤ 767px (MD 미만) */
@media (max-width: 767px) {
    .nav-toggle { display: inline-flex; }
    .site-nav {
        position: absolute; top: 60px; left: 0; right: 0;
        display: none; flex-direction: column; padding: var(--space-3);
        background: var(--color-bg); border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
    }
    .site-nav.is-open { display: flex; animation: navDrop 0.25s ease; }
    .site-nav a { min-height: 44px; display: flex; align-items: center; }
    .site-nav a::after { display: none; }
    .site-nav.is-open a { opacity: 0; animation: navItemIn 0.35s ease forwards; }
    .site-nav.is-open a:nth-child(1) { animation-delay: 0.04s; }
    .site-nav.is-open a:nth-child(2) { animation-delay: 0.08s; }
    .site-nav.is-open a:nth-child(3) { animation-delay: 0.12s; }
    .site-nav.is-open a:nth-child(4) { animation-delay: 0.16s; }
    .site-nav.is-open a:nth-child(5) { animation-delay: 0.20s; }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .category-grid { grid-template-columns: 1fr; }
    .feature-grid { grid-template-columns: 1fr; }
    .cat-row { grid-template-columns: 1fr; gap: var(--space-3); }
    .cat-row-top img, .cat-row-top.is-empty { max-width: 200px; }
    .product-detail { grid-template-columns: 1fr; }
    .hero { padding: var(--space-6) 0; }
    .section { padding: var(--space-5) 0; }
    .rank-count { display: none; }
    .footer-grid { grid-template-columns: 1fr; gap: var(--space-5); }
    .footer-bottom { flex-direction: column; }
}
@keyframes navDrop {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: none; }
}
@keyframes navItemIn {
    from { opacity: 0; transform: translateX(-12px); }
    to   { opacity: 1; transform: translateX(0); }
}
/* ≤ 575px (SM 미만) */
@media (max-width: 575px) {
    .theme-select-wrap { grid-template-columns: 1fr; }
    .theme-panel { padding: var(--space-4); }
    .section-head { flex-wrap: wrap; }
}

/* ================= Scroll to Top 버튼 (원형 진행률) ================= */
#scrollTopBtn {
    position: fixed; bottom: 28px; right: 24px;
    width: 50px; height: 50px; cursor: pointer;
    opacity: 0; visibility: hidden; transform: translateY(12px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
    z-index: 990;
    display: flex; align-items: center; justify-content: center;
    -webkit-tap-highlight-color: transparent;
}
#scrollTopBtn.visible { opacity: 1; visibility: visible; transform: translateY(0); }
/* 플로팅 CTA 바가 있는 페이지: 버튼을 바 높이(72px) 안 세로 중앙에 배치 */
body:has(.floating-cta) #scrollTopBtn { bottom: 11px; z-index: 45; }
#scrollTopBtn:hover { transform: translateY(-3px); }
.scroll-top-bg {
    position: absolute; inset: 0; border-radius: 50%;
    background: var(--color-secondary);
    box-shadow: 0 4px 16px rgba(52, 53, 65, 0.28);
    transition: background-color 0.2s ease, box-shadow 0.2s ease;
}
#scrollTopBtn:hover .scroll-top-bg { background: #26272f; box-shadow: 0 6px 22px rgba(52, 53, 65, 0.4); }
.scroll-progress-ring { position: absolute; width: 100%; height: 100%; transform: rotate(-90deg); }
.scroll-progress-track { fill: none; stroke: rgba(255, 255, 255, 0.18); stroke-width: 3; }
.scroll-progress-fill {
    fill: none; stroke: var(--color-primary); stroke-width: 3; stroke-linecap: round;
    stroke-dasharray: 113.1; stroke-dashoffset: 113.1;
    transition: stroke-dashoffset 0.12s linear;
}
.scroll-top-inner {
    position: relative; display: flex; flex-direction: column; align-items: center; gap: 1px;
    pointer-events: none; user-select: none;
}
.scroll-top-arrow { width: 14px; height: 14px; color: rgba(255, 255, 255, 0.95); display: block; }
#scrollTopBtn:hover .scroll-top-arrow { animation: arrowBounce 0.45s ease forwards; }
@keyframes arrowBounce {
    0%   { transform: translateY(0); }
    35%  { transform: translateY(-4px); }
    65%  { transform: translateY(-1px); }
    100% { transform: translateY(-2px); }
}
.scroll-top-pct { font-size: 9px; font-weight: 700; color: rgba(255, 255, 255, 0.82); line-height: 1; letter-spacing: -0.3px; }

/* ================= 모션 감소 존중 ================= */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
}