/**
 * Shop List V2 — MTV Music Video Concept
 * STEP 3 / 2026-05-20
 *
 * 마크업/JS/클래스명/ID 100% 보존, 스타일만 MTV 톤으로.
 * 의존: shop.css, shop-mtv-common.css (헤더/푸터)
 * 토큰: css/shop/_mtv-tokens.css
 *
 * 보존 기능:
 *   - 카테고리 탭 (.cat-tab)
 *   - 정렬 드롭다운 (.sort-wrap, .sort-dropdown)
 *   - 필터 토글 (.toggle-pill)
 *   - 사이즈 필터 (.size-filter-select)
 *   - 상품 그리드 (.grid > .card)
 *   - 무한스크롤, 위시리스트, SOLD, 할인 뱃지, 스켈레톤
 */

@import url('/css/shop/_mtv-tokens.css');

.main {
    padding: 32px 20px 80px;
    min-height: calc(100vh - 200px);
    min-height: calc(100dvh - 200px);
    display: block;
    align-items: initial;
    justify-content: initial;
    background: var(--mtv-bg);
    color: var(--mtv-black);
    font-family: var(--mtv-font-body);
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
}

/* ============================================
   LIST HEADER
   ============================================ */

.list-header {
    margin-bottom: 14px;
    padding: 6px 4px 0;
}

.title-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 36px;
    border-bottom: 2px dashed var(--mtv-black);
    padding-bottom: 10px;
}

/* Sticky controls (category + filter+sort)
   sticks below fixed header — 헤더 높이는 57px + safe-area-top(노치) 가변
   z-index: sort-dropdown(z:100)의 stacking context 위해 100. 헤더(z:1000) 보다 낮음. */
.sticky-controls {
    position: sticky;
    top: calc(57px + var(--mtv-safe-top, 0px));
    z-index: 100;
    margin-bottom: 24px;
    padding: 14px 20px;
    background: var(--mtv-bg);
    border: var(--mtv-border-thick);
    box-shadow: 4px 4px 0 var(--mtv-black);
}

@media (max-width: 768px) {
    .sticky-controls {
        padding: 10px 14px;
        margin-bottom: 16px;
        box-shadow: 3px 3px 0 var(--mtv-black);
    }
}

/* Step 4: 메인 폰 좁은 폭에서 sticky-controls 콤팩트 */
@media (max-width: 480px) {
    .sticky-controls {
        padding: 8px 10px;
        margin-bottom: 12px;
        box-shadow: 3px 3px 0 var(--mtv-black);
    }
    /* filter + sort 영역이 한 줄에 안 들어가면 두 줄 허용 (이미 flex-wrap: wrap) */
    .filter-toggles { gap: 8px; }
    /* 카테고리/필터 사이 여백 축소 */
    .filter-sort-bar { margin-top: 8px; padding: 2px 0; }
}

.title-left {
    display: flex;
    align-items: baseline;
    gap: 14px;
}

.title {
    font-family: var(--mtv-font-display);
    font-size: 28px;
    font-weight: 400;
    letter-spacing: var(--mtv-tracking-tight);
    color: var(--mtv-black);
    text-transform: uppercase;
}

.count {
    font-family: var(--mtv-font-mono);
    font-size: 12px;
    color: var(--mtv-hot-pink);
    font-weight: 600;
    letter-spacing: var(--mtv-tracking-wide);
}

/* ============================================
   FILTER + SORT BAR
   ============================================ */

.filter-sort-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 10px;
    padding: 4px 0;
    gap: 16px;
    flex-wrap: wrap;
}

.filter-toggles {
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 2px 0;
    flex-wrap: wrap;
}

/* Toggle pill - MTV brutalism */
.toggle-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    padding: 4px 8px;
    border: 2px solid var(--mtv-black);
    background: var(--mtv-bg);
    transition: all var(--mtv-trans-fast);
}
.toggle-pill:hover { background: var(--mtv-bg-warm); }

.toggle-pill input[type="checkbox"] { display: none; }

.toggle-track {
    position: relative;
    width: 32px;
    height: 18px;
    background: var(--mtv-bg-warm);
    border: 1.5px solid var(--mtv-black);
    transition: background var(--mtv-trans-fast);
    flex-shrink: 0;
}

.toggle-dot {
    position: absolute;
    top: 1px;
    left: 1px;
    width: 12px;
    height: 12px;
    background: var(--mtv-black);
    transition: transform var(--mtv-trans-fast);
}

.toggle-pill.active {
    background: var(--mtv-yellow);
    box-shadow: 3px 3px 0 var(--mtv-black);
}
.toggle-pill.active .toggle-track {
    background: var(--mtv-hot-pink);
}
.toggle-pill.active .toggle-dot {
    transform: translateX(14px);
    background: var(--mtv-bg);
}

.toggle-label {
    font-family: var(--mtv-font-body);
    font-size: 12px;
    color: var(--mtv-black);
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.toggle-pill.active .toggle-label {
    color: var(--mtv-black);
    font-weight: 700;
}

/* Size filter dropdown */
.size-filter-wrap {
    display: flex;
    align-items: center;
    margin-left: 4px;
}

.size-filter-select {
    border: 2px solid var(--mtv-black);
    background: var(--mtv-yellow);
    font-family: var(--mtv-font-mono);
    font-size: 12px;
    font-weight: 600;
    color: var(--mtv-black);
    letter-spacing: 1px;
    padding: 6px 24px 6px 10px;
    cursor: pointer;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    text-align: center;
    text-transform: uppercase;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%230a0a0a' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 6px center;
    box-shadow: 3px 3px 0 var(--mtv-black);
    transition: transform var(--mtv-trans-fast);
}
.size-filter-select:hover { transform: translate(-1px, -1px); box-shadow: 4px 4px 0 var(--mtv-black); }

/* ============================================
   SORT DROPDOWN
   ============================================ */

.sort-wrap { position: relative; }

.sort-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: 2px solid var(--mtv-black);
    background: var(--mtv-bg);
    font-family: var(--mtv-font-body);
    font-size: 12px;
    color: var(--mtv-black);
    cursor: pointer;
    transition: all var(--mtv-trans-fast);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.sort-btn:hover { background: var(--mtv-yellow); }
.sort-btn svg { opacity: 1; }

.sort-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 160px;
    background: var(--mtv-bg);
    border: var(--mtv-border-thick);
    border-radius: 0;
    box-shadow: 6px 6px 0 var(--mtv-black);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: all var(--mtv-trans-fast);
    overflow: hidden;
}
.sort-dropdown.open { opacity: 1; visibility: visible; transform: translateY(0); }

.sort-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 14px;
    font-family: var(--mtv-font-body);
    font-size: 12px;
    font-weight: 600;
    color: var(--mtv-black);
    cursor: pointer;
    transition: background var(--mtv-trans-fast);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px dashed var(--mtv-black);
}
.sort-option:last-child { border-bottom: none; }
.sort-option:hover { background: var(--mtv-yellow); }
.sort-option.active {
    background: var(--mtv-hot-pink);
    color: var(--mtv-bg);
}
.sort-option.active::after {
    content: '★';
    display: inline-block;
    color: var(--mtv-yellow);
    margin-left: 8px;
    font-size: 12px;
    border: none;
    transform: none;
    width: auto;
    height: auto;
}

/* ============================================
   CATEGORY FILTER
   ============================================ */

.category-filter {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 4px 0;
    margin-top: 8px;
    /* Step 4: scroll snap — 모바일에서 카테고리 탭이 깔끔하게 정렬 */
    scroll-snap-type: x proximity;
    scroll-padding-left: 4px;
    /* 좌우 영역 시각적 마진 (스크롤 영역 끝에서 살짝 멈추도록) */
    padding-right: 8px;
}
.category-filter::-webkit-scrollbar { display: none; }
.cat-tab { scroll-snap-align: start; }

.cat-tab {
    padding: 8px 14px;
    border: 2px solid var(--mtv-black);
    border-radius: 0;
    background: var(--mtv-bg);
    font-family: var(--mtv-font-body);
    font-size: 12px;
    font-weight: 600;
    color: var(--mtv-black);
    cursor: pointer;
    transition: all var(--mtv-trans-fast);
    white-space: nowrap;
    flex-shrink: 0;
    letter-spacing: 1px;
    text-transform: uppercase;
}
.cat-tab:hover {
    background: var(--mtv-yellow);
}
.cat-tab.active {
    background: var(--mtv-black);
    color: var(--mtv-yellow);
    box-shadow: 3px 3px 0 var(--mtv-hot-pink);
}
/* 노출 가능 제품 0건 카테고리 탭 숨김 (JS hideEmptyCategoryTabs 에서 토글) */
.cat-tab--empty { display: none; }

/* ============================================
   PRODUCT GRID
   ============================================ */

.grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 26px 22px;
    min-height: 300px;
}

.card {
    background: var(--mtv-bg);
    width: 100%;
    border: var(--mtv-border-thin);
    padding: 8px;
    transition: transform var(--mtv-trans-fast), box-shadow var(--mtv-trans-fast);
    box-shadow: 4px 4px 0 var(--mtv-black);
    cursor: pointer;
}
.card:hover {
    transform: translate(-3px, -3px);
    box-shadow: 7px 7px 0 var(--mtv-hot-pink);
}

.card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* Image box */
.image-box {
    width: 100%;
    position: relative;  /* sold-overlay 등 자식 absolute 의 기준점 (제거 시 viewport 로 펼쳐지는 버그 발생) */
    background: var(--mtv-bg-warm);
    overflow: hidden;
    margin-bottom: 10px;
    border: 1.5px solid var(--mtv-black);
    /* aspect-ratio / padding-bottom 강제 제거 — 박스 height 가 이미지 자연 height 를 따라감 → 하단 여백 차단 */
    line-height: 0;
    font-size: 0;
}

.image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--mtv-trans-base);
}
.card:hover .image { transform: scale(1.04); }

/* SOLD OUT */
.sold-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}
.sold-label {
    font-family: var(--mtv-font-display);
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 3px;
    color: var(--mtv-black);
    padding: 6px 16px;
    background: var(--mtv-yellow);
    border: 2px solid var(--mtv-black);
    text-transform: uppercase;
}
.card.sold .info .name,
.card.sold .info .price-now,
.card.sold .info .meta { color: var(--mtv-mute); }
.card.sold:hover { transform: none; box-shadow: 4px 4px 0 var(--mtv-black); }
.card.sold:hover .image { transform: none; }

/* Info */
.info { padding: 4px 4px 6px; }

.info-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 4px;
}

.name {
    font-family: var(--mtv-font-body);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    line-height: 1.35;
    color: var(--mtv-black);
    /* Step 4: 한글 단어 단위 줄바꿈 + 긴 영문 brand fallback */
    word-break: keep-all;
    overflow-wrap: break-word;
    text-decoration: none;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
    letter-spacing: 0;
}

.size-badge {
    display: inline-block;
    font-family: var(--mtv-font-mono);
    font-size: 10px;
    font-weight: 700;
    color: var(--mtv-bg);
    background: var(--mtv-black);
    padding: 3px 7px;
    border-radius: 0;
    letter-spacing: 1px;
    margin-bottom: 2px;
}

.card.sold .size-badge { color: var(--mtv-bg); background: var(--mtv-mute); }

.size-tag {
    display: inline;
    font-family: var(--mtv-font-mono);
    font-size: 11px;
    color: var(--mtv-mute);
    font-weight: 500;
    margin-left: 4px;
}

.size-tag::before {
    content: '·';
    margin-right: 3px;
}

/* Wish Button */
.wish-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    flex-shrink: 0;
    color: var(--mtv-mute);
    transition: color var(--mtv-trans-fast), transform var(--mtv-trans-fast);
    /* Step 4: 시각은 그대로 두고 hit area 확장 (모바일 터치 권장 44x44) */
    position: relative;
}
.wish-btn::before {
    content: '';
    position: absolute;
    inset: -10px;
}
.wish-btn:hover { color: var(--mtv-black); transform: scale(1.1); }
.wish-btn.active { color: var(--mtv-hot-pink); }
.wish-icon { width: 20px; height: 20px; display: block; stroke-width: 2; }

/* Price & Meta */
.price-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 4px;
    margin-top: 6px;
}

.price-block {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.price-main-row {
    display: flex;
    align-items: baseline;
    gap: 5px;
}

.discount-badge {
    display: inline-block;
    font-family: var(--mtv-font-mono);
    font-size: 11px;
    font-weight: 700;
    color: var(--mtv-bg);
    background: var(--mtv-hot-pink);
    padding: 2px 6px;
    border-radius: 0;
    letter-spacing: 0.5px;
    vertical-align: middle;
    margin-right: 4px;
}

.discount-rate {
    font-family: var(--mtv-font-body);
    font-size: 14px;
    font-weight: 700;
    color: var(--mtv-hot-pink);
    line-height: 1;
}

.price-now {
    font-family: var(--mtv-font-body);
    font-size: 14px;
    font-weight: 700;
    color: var(--mtv-black);
    line-height: 1;
}
/* 솔드아웃 카드의 가격 — 흐린 표시 (인라인 style 분리) */
.price-now--sold {
    color: #bbb;
    font-weight: 400;
}

.price-original {
    font-family: var(--mtv-font-mono);
    font-size: 11px;
    color: var(--mtv-mute);
    text-decoration: line-through;
    line-height: 1;
}

/* Image discount badge */
.image-box .discount-img-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    z-index: 2;
    background: var(--mtv-hot-pink);
    color: var(--mtv-bg);
    font-family: var(--mtv-font-mono);
    font-size: 12px;
    font-weight: 700;
    padding: 3px 8px;
    border: 1.5px solid var(--mtv-black);
    border-radius: 0;
    letter-spacing: 0.5px;
    pointer-events: none;
    box-shadow: 2px 2px 0 var(--mtv-black);
}

.meta {
    font-family: var(--mtv-font-mono);
    font-size: 10px;
    color: var(--mtv-mute);
    flex-shrink: 0;
    align-self: flex-end;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* ============================================
   LOADING / SKELETON
   ============================================ */

.loading-indicator {
    display: flex;
    justify-content: center;
    padding: 40px 0;
}
.spinner {
    width: 28px; height: 28px;
    border: 3px solid var(--mtv-bg-warm);
    border-top: 3px solid var(--mtv-hot-pink);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.page-loading-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(248, 244, 236, 0.92);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}
.page-loading-spinner {
    width: 36px; height: 36px;
    border: 3px solid var(--mtv-bg-warm);
    border-top: 3px solid var(--mtv-hot-pink);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes shimmer-mtv {
    0%   { background-position: -600px 0; }
    100% { background-position: 600px 0; }
}

.skeleton-card {
    background: var(--mtv-bg);
    width: 100%;
    border: var(--mtv-border-thin);
    padding: 8px;
    box-shadow: 4px 4px 0 var(--mtv-black);
}

.skeleton-img {
    width: 100%;
    padding-bottom: 100%;
    background: linear-gradient(90deg, var(--mtv-bg-warm) 25%, #ddd0b6 50%, var(--mtv-bg-warm) 75%);
    background-size: 600px 100%;
    animation: shimmer-mtv 1.4s infinite linear;
    margin-bottom: 10px;
    border: 1.5px solid var(--mtv-black);
}

.skeleton-line {
    height: 14px;
    border-radius: 0;
    background: linear-gradient(90deg, var(--mtv-bg-warm) 25%, #ddd0b6 50%, var(--mtv-bg-warm) 75%);
    background-size: 600px 100%;
    animation: shimmer-mtv 1.4s infinite linear;
    margin-bottom: 8px;
}

.skeleton-line.short  { width: 55%; }
.skeleton-line.medium { width: 75%; }
.skeleton-line.full   { width: 100%; }

/* Grid empty state */
.grid-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 100px 20px;
    color: var(--mtv-mute);
    font-family: var(--mtv-font-display);
    font-size: 18px;
    letter-spacing: var(--mtv-tracking-wide);
    text-transform: uppercase;
}

/* ============================================
   Responsive — Step 4 / 2026-05-21
   표준 BP: 360 / 480 / 768 / 1024 / 1280
   그리드 단계: 데스크탑 5열 → 1024 4열 → 768 3열 → 480 2열 → 360 2열(미세조정)
   ============================================ */

/* Tablet landscape — 4열 */
@media (max-width: 1024px) {
    .grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Tablet portrait / 큰 폰 가로 — 3열 */
@media (max-width: 768px) {
    .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px 14px; }
    .list-header { padding: 6px 14px 0; }
    /* sort dropdown 우측 정렬 유지하되 폭 조정 */
    .sort-dropdown { min-width: 150px; }
    /* 카테고리 탭 padding 약간 축소 (가로 스크롤 영역에서 더 많은 탭 노출) */
    .cat-tab { padding: 7px 12px; font-size: 11.5px; }
}

/* Mobile 메인 폰 — 2열 + sticky-controls 좁은 폭 미세조정 */
@media (max-width: 480px) {
    .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 10px; }
    .main { padding: 14px 12px 60px; }
    .title { font-size: 22px; letter-spacing: -0.5px; }
    .count { font-size: 11px; }
    /* 필터 영역 폭 절약 */
    .cat-tab { padding: 6px 10px; font-size: 11px; min-height: var(--mtv-touch-min); display: inline-flex; align-items: center; }
    .filter-sort-bar { gap: 8px; }
    .toggle-pill { padding: 4px 8px; min-height: var(--mtv-touch-min); }
    .toggle-label { font-size: 11px; }
    .sort-btn { min-height: var(--mtv-touch-min); padding: 6px 10px; }
    /* 카드 내부 패딩/폰트 살짝 축소 */
    .card { padding: 6px; }
    .name { font-size: 12.5px; }
    .price-now { font-size: 13px; }
    .image-box { margin-bottom: 8px; }
}

/* 폴드 외화면 / 초소형 — 2열 유지, gap/폰트 추가 축소 */
@media (max-width: 360px) {
    .grid { gap: 12px 8px; }
    .main { padding: 12px 10px 50px; }
    .title { font-size: 20px; }
    .card { padding: 5px; }
    .name { font-size: 12px; }
    .price-now { font-size: 12.5px; }
    .cat-tab { padding: 5px 9px; font-size: 10.5px; }
}