/* =====================================================================
   base.css — โครงสร้างหน้าร้านที่ใช้ร่วมกันทั้ง 3 เว็บ
   สี ฟอนต์ ความโค้ง เงา มาจากตัวแปรใน theme/style.css ของแต่ละเว็บ
   ===================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; font-size: 16px; }
img { max-width: 100%; display: block; }
a { color: var(--link, var(--primary)); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.25; margin: 0 0 .5em; }
p { margin: 0 0 1em; }
hr { border: 0; border-top: 1px solid var(--line); margin: 14px 0; }
.muted { color: var(--muted); } .small { font-size: 14px; } .mono { font-family: ui-monospace, Consolas, monospace; }
.text-danger { color: var(--danger); }
.container { width: min(var(--container, 1200px), 100% - 32px); margin-inline: auto; }
.page { padding-block: 26px 60px; }
.narrow { max-width: 520px; }
.page-title { font-size: clamp(22px, 3vw, 30px); margin: 0 0 4px; }
.page-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.section { margin-top: 44px; }
.section-title { font-size: clamp(20px, 2.4vw, 26px); }
.breadcrumbs { font-size: 14px; color: var(--muted); margin-bottom: 16px; }
.breadcrumbs a { color: var(--muted); }
.row-gap { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.stack { display: grid; gap: 14px; }

/* ---------- buttons & inputs ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 20px; border-radius: var(--radius-sm); border: 2px solid transparent; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none !important; line-height: 1.3; transition: transform .12s, filter .12s, background .12s; white-space: nowrap; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); color: var(--primary-ink); }
.btn-primary:hover { filter: brightness(1.07); }
.btn-outline { background: transparent; border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary-soft); }
.btn-ghost { background: transparent; color: var(--text); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-lg { padding: 13px 26px; font-size: 17px; }
.btn-sm { padding: 6px 12px; font-size: 14px; }
.btn-block { width: 100%; }
.icon-btn { background: none; border: 0; cursor: pointer; color: var(--muted); font-size: 18px; padding: 6px; }
.icon-btn:hover { color: var(--danger); }

.field { display: grid; gap: 6px; margin-bottom: 4px; }
.field > span { font-size: 14px; font-weight: 600; color: var(--text-2, var(--text)); }
.input { width: 100%; padding: 11px 14px; border: 1.5px solid var(--line-strong, var(--line)); border-radius: var(--radius-sm); background: var(--input-bg, var(--surface)); color: var(--text); font: inherit; }
.input:focus { outline: 3px solid var(--primary-soft); border-color: var(--primary); }
.input.qty { max-width: 120px; }
textarea.input { resize: vertical; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; }
.span-2 { grid-column: span 2; }
.choice-group { display: flex; flex-wrap: wrap; gap: 8px; }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice span { display: inline-block; padding: 7px 14px; border: 1.5px solid var(--line-strong, var(--line)); border-radius: var(--radius-pill, 99px); cursor: pointer; font-size: 14px; background: var(--surface); }
.choice input:checked + span { border-color: var(--primary); background: var(--primary-soft); color: var(--primary-strong, var(--primary)); font-weight: 600; }
.choice input:focus-visible + span { outline: 2px solid var(--primary); }

/* ---------- surfaces ---------- */
.panel { background: var(--surface); border: var(--panel-border, 1px solid var(--line)); border-radius: var(--radius); padding: 20px 22px; margin-bottom: 18px; box-shadow: var(--shadow); }
.panel h3 { font-size: 18px; }
.alert { padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 14px; font-size: 15px; }
.alert-success { background: var(--success-soft); color: var(--success); }
.alert-danger { background: var(--danger-soft); color: var(--danger); }
.alert-info { background: var(--info-soft); color: var(--info); }
.alert-warning { background: var(--warning-soft); color: var(--warning); }
.badge { display: inline-block; padding: 3px 12px; border-radius: 99px; font-size: 13px; font-weight: 700; white-space: nowrap; }
.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-info { background: var(--info-soft); color: var(--info); }
.badge-primary { background: var(--primary-soft); color: var(--primary-strong, var(--primary)); }
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge-muted { background: var(--surface-2); color: var(--muted); }
.pill { display: inline-block; padding: 3px 10px; border-radius: 99px; font-size: 13px; background: var(--surface-2); color: var(--text-2, var(--text)); }
.chips, .sort { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { padding: 6px 14px; border-radius: 99px; border: 1.5px solid var(--line); font-size: 14px; color: var(--text); background: var(--surface); }
.chip:hover { text-decoration: none; border-color: var(--primary); }
.chip.active { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.empty { text-align: center; padding: 50px 20px; color: var(--muted); background: var(--surface); border-radius: var(--radius); border: 1.5px dashed var(--line); }
.empty-icon, .big-icon { font-size: 52px; margin-bottom: 8px; }
.center-panel { text-align: center; }
.center-panel form { text-align: left; }

/* ---------- table ---------- */
.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; font-size: 14px; color: var(--muted); font-weight: 600; padding: 10px; border-bottom: 1.5px solid var(--line); }
.table td { padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table .num { text-align: right; white-space: nowrap; }

/* ---------- product image / placeholder ---------- */
.pimg, .pimg-lg, .pimg-sm { width: 100%; aspect-ratio: 1; object-fit: cover; background: var(--surface-2); }
.pimg-sm { width: 64px; height: 64px; border-radius: var(--radius-sm); flex: none; }
.placeholder { display: grid; place-items: center; background: var(--ph-bg, var(--surface-2)); }
.placeholder span { font-size: clamp(36px, 7vw, 64px); filter: saturate(1.1); }
.pimg-sm.placeholder span { font-size: 28px; }
.pimg-lg.placeholder span { font-size: 120px; }

/* ---------- listing layouts ---------- */
.grid-products { display: grid; grid-template-columns: repeat(var(--cols, 4), minmax(0, 1fr)); gap: var(--gap, 20px); }
.layout-filter { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 26px; align-items: start; }
.layout-filter .grid-products { --cols: 3; }
.filter { position: sticky; top: 90px; }
.filter h4 { font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; margin: 16px 0 8px; }
.filter-link { display: block; padding: 8px 12px; border-radius: var(--radius-sm); color: var(--text); font-size: 15px; }
.filter-link:hover { background: var(--surface-2); text-decoration: none; }
.filter-link.sub { padding-left: 30px; font-size: 14px; color: var(--muted); }
.filter-link.active { background: var(--primary-soft); color: var(--primary-strong, var(--primary)); font-weight: 600; }
.list-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.layout-sidebar { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 26px; align-items: start; }
.layout-summary { display: grid; grid-template-columns: minmax(0, 1fr) 370px; gap: 22px; align-items: start; }
.pagination { display: flex; gap: 6px; justify-content: center; margin-top: 30px; flex-wrap: wrap; }
.pagination a, .pagination span { min-width: 40px; text-align: center; padding: 8px 12px; border-radius: var(--radius-sm); background: var(--surface); border: 1px solid var(--line); color: var(--text); }
.pagination .active { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }

/* ---------- product detail ---------- */
.product-detail { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 36px; align-items: start; }
.gallery-main { position: relative; border-radius: var(--radius); overflow: hidden; background: var(--surface); border: 1px solid var(--line); }
.ribbon { position: absolute; top: 14px; left: 14px; background: var(--sale, var(--danger)); color: #fff; font-weight: 800; padding: 4px 12px; border-radius: 99px; }
.thumbs { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.thumb { width: 70px; height: 70px; border-radius: var(--radius-sm); overflow: hidden; border: 2px solid var(--line); padding: 0; cursor: pointer; background: none; }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.module-tag { display: inline-block; font-size: 13px; font-weight: 700; color: var(--primary-strong, var(--primary)); background: var(--primary-soft); padding: 3px 12px; border-radius: 99px; margin-bottom: 10px; }
.product-name { font-size: clamp(22px, 3vw, 32px); }
.price-row { margin: 14px 0; }
.price { font-size: 30px; font-weight: 800; color: var(--price, var(--primary)); font-family: var(--font-head); }
.price small { font-size: .5em; font-weight: 600; color: var(--muted); margin-left: 4px; }
.price-old { color: var(--muted); font-size: 16px; }
.badges { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.lead { color: var(--text-2, var(--text)); }
.stock { font-weight: 600; font-size: 15px; margin-bottom: 14px; }
.stock.in { color: var(--success); } .stock.out { color: var(--danger); }
.buy-form { display: grid; gap: 12px; padding: 18px; background: var(--surface-2); border-radius: var(--radius); }
.rent-box { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.rent-box .muted { grid-column: span 2; margin: 0; }
.buy-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.buy-actions .btn { flex: 1; }
.trust { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
.detail-tabs { margin-top: 34px; }
.specs { width: 100%; border-collapse: collapse; margin-bottom: 18px; }
.specs th, .specs td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.specs th { width: 34%; color: var(--muted); font-weight: 600; background: var(--surface-2); }

/* ---------- cart / checkout ---------- */
.cart-prod { display: flex; gap: 12px; align-items: center; }
.cart-prod a { color: var(--text); }
.opt { color: var(--primary-strong, var(--primary)); }
.cart-actions { display: flex; justify-content: space-between; margin-top: 14px; gap: 10px; }
.summary { position: sticky; top: 90px; }
.sum-row, .sum-item { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; }
.sum-item span small, .sum-row span small { display: block; }
.sum-item { font-size: 14px; border-bottom: 1px dashed var(--line); }
.sum-row.total { font-size: 19px; border-top: 2px solid var(--line); margin-top: 6px; padding-top: 12px; }
.sum-row.total b { color: var(--price, var(--primary)); font-size: 22px; }
.summary .btn { margin-top: 14px; }
.steps { list-style: none; display: flex; padding: 0; margin: 0 0 24px; counter-reset: s; }
.steps li { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; position: relative; color: var(--muted); font-size: 14px; text-align: center; }
.steps li::before { content: ''; position: absolute; top: 17px; left: -50%; width: 100%; height: 3px; background: var(--line); z-index: 0; }
.steps li:first-child::before { display: none; }
.steps li.done::before, .steps li.current::before { background: var(--primary); }
.steps .dot { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: var(--surface); border: 3px solid var(--line); font-weight: 700; z-index: 1; }
.steps li.done .dot { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.steps li.current .dot { border-color: var(--primary); color: var(--primary); box-shadow: 0 0 0 5px var(--primary-soft); }
.steps li.current { color: var(--text); font-weight: 700; }
.ship-options { display: grid; gap: 10px; }
.ship-option { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border: 1.5px solid var(--line); border-radius: var(--radius-sm); cursor: pointer; }
.ship-option:has(input:checked) { border-color: var(--primary); background: var(--primary-soft); }
.ship-body { flex: 1; display: grid; }
.ship-fee { font-weight: 700; }

/* ---------- order / payment ---------- */
.order-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.pay-amount { font-size: 18px; } .pay-amount b { font-size: 26px; color: var(--price, var(--primary)); }
.banks { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; margin-bottom: 14px; }
.bank { border-radius: var(--radius-sm); padding: 14px 16px; background: var(--surface); border: 1px solid var(--line); border-left: 6px solid var(--bank); }
.bank-name { font-size: 14px; color: var(--muted); }
.bank-no { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-family: ui-monospace, Consolas, monospace; font-size: 21px; font-weight: 700; letter-spacing: .04em; }
.copy { font: inherit; font-size: 12px; font-family: var(--font); letter-spacing: 0; background: var(--surface-2); border: 0; border-radius: 99px; padding: 4px 10px; cursor: pointer; color: var(--text); }
.bank-acc { font-weight: 600; }
.slip-form { border-top: 1.5px dashed var(--line); padding-top: 16px; margin-top: 8px; display: grid; gap: 12px; }
.slip-preview img { max-height: 260px; border-radius: var(--radius-sm); border: 1px solid var(--line); }
.log { list-style: none; margin: 0; padding: 0; }
.log li { display: grid; padding: 8px 0 8px 16px; border-left: 2px solid var(--line); position: relative; }
.log li::before { content: ''; position: absolute; left: -6px; top: 14px; width: 10px; height: 10px; border-radius: 50%; background: var(--primary); }
.auth-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; max-width: 900px; margin: 0 auto; }

/* ---------- news & ads ---------- */
.grid-news { display: grid; grid-template-columns: repeat(var(--news-cols, 3), minmax(0, 1fr)); gap: 20px; }
.layout-sidebar .grid-news { --news-cols: 2; }
.news-card { display: flex; flex-direction: column; background: var(--surface); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); color: var(--text); box-shadow: var(--shadow); transition: transform .15s; }
.news-card:hover { text-decoration: none; transform: translateY(-3px); }
.news-img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.news-img.placeholder span { font-size: 46px; }
.news-body { padding: 14px 16px 16px; }
.news-body h3 { font-size: 17px; margin: 6px 0; }
.news-body p { color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.news-cat { display: inline-block; font-size: 12px; font-weight: 700; color: var(--accent-strong, var(--accent)); background: var(--accent-soft); padding: 2px 10px; border-radius: 99px; }
.news-mini { display: grid; padding: 9px 0; border-bottom: 1px solid var(--line); color: var(--text); font-weight: 600; font-size: 15px; }
.article h1 { font-size: clamp(24px, 3.4vw, 34px); margin-top: 10px; }
.article-img { width: 100%; border-radius: var(--radius-sm); margin: 10px 0 18px; }
.article-content { font-size: 17px; line-height: 1.85; }
.video { position: relative; aspect-ratio: 16 / 9; margin-bottom: 18px; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; border-radius: var(--radius-sm); }
.sidebar { display: grid; gap: 18px; }
.sidebar .panel { margin: 0; }
.ad { position: relative; display: block; border-radius: var(--radius); overflow: hidden; color: var(--ad-ink, #fff); text-decoration: none !important; background: var(--ad-bg, var(--primary)); }
.ad img { width: 100%; }
.ad-label { position: absolute; top: 8px; right: 10px; font-size: 11px; background: rgba(0,0,0,.35); color: #fff; padding: 1px 8px; border-radius: 99px; }
.ad-text { padding: 26px 24px; display: grid; gap: 4px; }
.ad-text strong { font-family: var(--font-head); font-size: 20px; }
.ad-sidebar .ad-text { padding: 30px 20px; text-align: center; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .grid-products { --cols: 3; }
  .layout-filter .grid-products { --cols: 2; }
  .layout-sidebar, .layout-summary { grid-template-columns: 1fr; }
  .summary, .filter { position: static; }
}
@media (max-width: 760px) {
  .grid-products, .layout-filter .grid-products { --cols: 2; --gap: 12px; }
  .grid-news, .layout-sidebar .grid-news { --news-cols: 1; }
  .layout-filter { grid-template-columns: 1fr; }
  .product-detail, .auth-grid { grid-template-columns: 1fr; gap: 20px; }
  .form-grid { grid-template-columns: 1fr; } .span-2 { grid-column: auto; }
  .rent-box { grid-template-columns: 1fr; } .rent-box .muted { grid-column: auto; }
  .panel { padding: 16px; }
  .steps li .label { font-size: 12px; }
  /* ตารางแบบการ์ดบนมือถือ */
  .table thead { display: none; }
  .table tr { display: block; padding: 10px 0; border-bottom: 1px solid var(--line); }
  .table td { display: flex; justify-content: space-between; gap: 10px; border: 0; padding: 4px 0; text-align: right; }
  .table td[data-label]::before { content: attr(data-label); color: var(--muted); font-size: 13px; text-align: left; }
  .table td:first-child { display: block; text-align: left; }
  .table td:first-child::before { display: none; }
  .cart-actions { flex-direction: column-reverse; }
}