/* Cordnestia — commerce.css
   Shop, product, cart, checkout. Coordinates with styles.css tokens:
   ink #1E2A32, paper #F6F3EC, accent #2F6D62, accent_soft #DCE8E3,
   line #C9C2B4, warn #8A5A2B. Fraunces display / Inter body. */

:root {
  --cn-ink: #1E2A32;
  --cn-paper: #F6F3EC;
  --cn-accent: #2F6D62;
  --cn-accent-soft: #DCE8E3;
  --cn-line: #C9C2B4;
  --cn-warn: #8A5A2B;
  --cn-radius: 4px;
  --cn-gap: 18px;
  --cn-pad-y: 42px;
}

/* ---------- Shared page scaffolding ---------- */
.page,
.shop-layout,
.product-top,
.product-section,
.cart-layout,
.checkout-layout,
.breadcrumb {
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: 24px;
}

.page { padding-block: var(--cn-pad-y); }

.page-head { margin-bottom: 24px; }
.page-head h1,
.shop-head h1 {
  font-family: Fraunces, Georgia, serif;
  font-weight: 600;
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  line-height: 1.15;
  color: var(--cn-ink);
  margin: 0 0 8px;
}
.eyebrow {
  font: 500 0.72rem/1 Inter, system-ui, sans-serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cn-accent);
  margin: 0 0 10px;
}
.lede,
.shop-head__sub {
  color: #46525a;
  max-width: 62ch;
  margin: 0;
}

.notice {
  background: var(--cn-accent-soft);
  border: 1px solid var(--cn-line);
  border-left: 3px solid var(--cn-accent);
  border-radius: var(--cn-radius);
  padding: 12px 16px;
  margin: 0 0 26px;
  color: var(--cn-ink);
  font-size: 0.94rem;
}
.notice strong { color: var(--cn-warn); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 20px;
  border-radius: var(--cn-radius);
  border: 1px solid var(--cn-accent);
  font: 500 0.95rem/1.2 Inter, system-ui, sans-serif;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.btn--primary { background: var(--cn-accent); color: #fff; }
.btn--primary:hover { background: #255a50; border-color: #255a50; }
.btn--ghost { background: transparent; color: var(--cn-ink); border-color: var(--cn-line); }
.btn--ghost:hover { border-color: var(--cn-accent); color: var(--cn-accent); }
.btn--block { width: 100%; }
.btn[aria-disabled="true"] { opacity: .55; cursor: not-allowed; }
.btn:focus-visible,
a:focus-visible,
input:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--cn-accent);
  outline-offset: 2px;
}

/* ---------- Shop ---------- */
.shop-head {
  padding-block: 34px 18px;
  border-bottom: 1px solid var(--cn-line);
  margin-bottom: 26px;
}
.shop-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  padding-bottom: var(--cn-pad-y);
}
.shop-filters { position: sticky; top: 96px; }
.shop-filters__toggle { display: none; }
.shop-filters__panel {
  border: 1px solid var(--cn-line);
  border-radius: var(--cn-radius);
  background: #fff;
  padding: 16px;
}
.filter-search { display: grid; gap: 6px; margin-bottom: 18px; }
.filter-search label,
.filter-group legend {
  font: 500 0.78rem/1.2 Inter, system-ui, sans-serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #5a666d;
}
.filter-search input,
.filter-group input[type="number"] {
  width: 100%;
  min-height: 40px;
  padding: 8px 10px;
  border: 1px solid var(--cn-line);
  border-radius: var(--cn-radius);
  font: 400 0.92rem/1.2 Inter, system-ui, sans-serif;
  color: var(--cn-ink);
  background: var(--cn-paper);
}
.filter-search button {
  min-height: 40px;
  border: 1px solid var(--cn-accent);
  background: var(--cn-accent);
  color: #fff;
  border-radius: var(--cn-radius);
  font: 500 0.9rem/1 Inter, system-ui, sans-serif;
  cursor: pointer;
}
.filter-group {
  border: 0;
  border-top: 1px solid var(--cn-line);
  padding: 14px 0 0;
  margin: 0 0 14px;
}
.filter-group legend { padding: 0 0 8px; }
.filter-group label { display: block; margin: 6px 0; font-size: 0.9rem; }
.filter-group input[type="number"] { margin-bottom: 8px; }

.shop-results__count {
  font: 500 0.85rem/1.2 Inter, system-ui, sans-serif;
  color: #5a666d;
  margin: 0 0 14px;
}

/* ---------- Product grid & cards (aligned) ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--cn-gap);
}
.card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--cn-line);
  border-radius: var(--cn-radius);
  overflow: hidden;
  height: 100%;
}
.card__img {
  display: block;
  aspect-ratio: 1 / 1;
  background: var(--cn-paper);
  border-bottom: 1px solid var(--cn-line);
}
.card__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 10px;
  box-sizing: border-box;
  display: block;
}
.card__name {
  font: 500 0.95rem/1.35 Inter, system-ui, sans-serif;
  margin: 12px 14px 6px;
  flex: 1 1 auto;
}
.card__name a { color: var(--cn-ink); text-decoration: none; }
.card__name a:hover { color: var(--cn-accent); }
.card__price {
  font: 500 0.95rem/1.2 Inter, system-ui, sans-serif;
  font-variant-numeric: tabular-nums;
  color: var(--cn-ink);
  margin: 0 14px 14px;
}
.card__price-note {
  font-size: 0.72rem;
  color: #6b757b;
  letter-spacing: 0.02em;
}
.card__note { margin: 0 14px 12px; font-size: 0.82rem; color: #5a666d; }

.empty-state {
  border: 1px dashed var(--cn-line);
  border-radius: var(--cn-radius);
  padding: 32px 20px;
  text-align: center;
  background: #fff;
}
.empty-state h2 { font-family: Fraunces, Georgia, serif; font-weight: 600; margin: 0 0 8px; }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  padding-top: 22px;
  font: 400 0.85rem/1.3 Inter, system-ui, sans-serif;
  color: #5a666d;
}
.breadcrumb a { color: var(--cn-accent); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

/* ---------- Product page ---------- */
.product-top {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 36px;
  padding-block: 26px 34px;
  border-bottom: 1px solid var(--cn-line);
  align-items: start;
}
.product-gallery__main {
  border: 1px solid var(--cn-line);
  border-radius: var(--cn-radius);
  background: var(--cn-paper);
  aspect-ratio: 1 / 1;
  overflow: hidden;
}
.product-gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 14px;
  box-sizing: border-box;
  display: block;
}
.product-gallery__thumbs {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}
.product-gallery__thumbs button {
  flex: 0 0 72px;
  width: 72px;
  height: 72px;
  padding: 4px;
  border: 1px solid var(--cn-line);
  border-radius: var(--cn-radius);
  background: var(--cn-paper);
  cursor: pointer;
}
.product-gallery__thumbs button[aria-current="true"] { border-color: var(--cn-accent); }
.product-gallery__thumbs img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.product-buy h1 {
  font-family: Fraunces, Georgia, serif;
  font-weight: 600;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  line-height: 1.2;
  color: var(--cn-ink);
  margin: 0 0 8px;
}
.product-cat {
  font: 500 0.78rem/1.2 Inter, system-ui, sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cn-accent);
  margin: 0 0 14px;
}
.product-price {
  font: 600 1.4rem/1.1 Inter, system-ui, sans-serif;
  font-variant-numeric: tabular-nums;
  color: var(--cn-ink);
  margin: 0 0 4px;
}
.product-price-note { font-size: 0.78rem; color: #6b757b; margin: 0 0 14px; }
.product-desc { color: #46525a; margin: 0 0 18px; }

.buy-form {
  display: flex;
  align-items: end;
  gap: 12px;
  flex-wrap: wrap;
  padding: 16px 0;
  border-top: 1px solid var(--cn-line);
}
.buy-form label {
  font: 500 0.78rem/1.2 Inter, system-ui, sans-serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #5a666d;
  display: block;
  margin-bottom: 6px;
}
.buy-form input[type="number"] {
  width: 84px;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid var(--cn-line);
  border-radius: var(--cn-radius);
  font: 400 1rem/1 Inter, system-ui, sans-serif;
  font-variant-numeric: tabular-nums;
  background: var(--cn-paper);
  color: var(--cn-ink);
}
.preview-note { font-size: 0.82rem; color: var(--cn-warn); margin: 0 0 14px; }
.buy-help { list-style: none; padding: 0; margin: 0; font-size: 0.9rem; }
.buy-help li { padding: 8px 0; border-top: 1px solid var(--cn-line); }
.buy-help a { color: var(--cn-accent); text-decoration: none; }
.buy-help a:hover { text-decoration: underline; }

.product-section {
  padding-block: 30px;
  border-bottom: 1px solid var(--cn-line);
}
.product-section:last-of-type { border-bottom: 0; }
.product-section h2 {
  font-family: Fraunces, Georgia, serif;
  font-weight: 600;
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  margin: 0 0 12px;
  color: var(--cn-ink);
}
.product-section p { color: #46525a; max-width: 70ch; }

.pair-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--cn-gap);
  margin-top: 14px;
}

.accordion details {
  border: 1px solid var(--cn-line);
  border-radius: var(--cn-radius);
  background: #fff;
  padding: 12px 16px;
  margin-bottom: 10px;
}
.accordion summary {
  cursor: pointer;
  font: 500 0.98rem/1.3 Inter, system-ui, sans-serif;
  color: var(--cn-ink);
}
.accordion details[open] summary { color: var(--cn-accent); }
.accordion p { margin: 10px 0 2px; font-size: 0.94rem; }
.accordion a { color: var(--cn-accent); }

/* ---------- Cart ---------- */
.cart-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  padding-bottom: var(--cn-pad-y);
}
.cart-items h2,
.cart-summary h2 {
  font-family: Fraunces, Georgia, serif;
  font-weight: 600;
  font-size: 1.25rem;
  margin: 0 0 14px;
  color: var(--cn-ink);
}
.cart-lines { display: grid; gap: 12px; }
.cart-line {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  border: 1px solid var(--cn-line);
  border-radius: var(--cn-radius);
  background: #fff;
  padding: 12px;
}
.cart-line img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  background: var(--cn-paper);
  border: 1px solid var(--cn-line);
  border-radius: var(--cn-radius);
  padding: 4px;
  box-sizing: border-box;
}
.cart-line__name { font: 500 0.92rem/1.3 Inter, system-ui, sans-serif; margin: 0 0 4px; }
.cart-line__meta { font-size: 0.82rem; color: #5a666d; margin: 0; }
.cart-line__price {
  font: 500 0.95rem/1.2 Inter, system-ui, sans-serif;
  font-variant-numeric: tabular-nums;
  text-align: right;
}
.cart-summary {
  border: 1px solid var(--cn-line);
  border-radius: var(--cn-radius);
  background: #fff;
  padding: 20px;
  position: sticky;
  top: 96px;
}
.summary-list { margin: 0 0 12px; }
.summary-list > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--cn-line);
  font-size: 0.92rem;
}
.summary-list dt { color: #5a666d; }
.summary-list dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
  text-align: right;
  color: var(--cn-ink);
}
.summary-total { font-weight: 600; border-bottom: 0 !important; }
.summary-total dd { font-size: 1.05rem; }
.summary-note { font-size: 0.8rem; color: #6b757b; margin: 0 0 14px; }
.pay-note { font-size: 0.8rem; color: var(--cn-warn); margin: 10px 0 14px; }
.summary-links { list-style: none; padding: 0; margin: 0; font-size: 0.88rem; }
.summary-links li { padding: 6px 0; border-top: 1px solid var(--cn-line); }
.summary-links a { color: var(--cn-accent); text-decoration: none; }
.summary-links a:hover { text-decoration: underline; }
.cart-actions { margin-top: 16px; }
.empty { color: #5a666d; }
.empty a { color: var(--cn-accent); }

/* ---------- Checkout ---------- */
.checkout-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  padding-bottom: var(--cn-pad-y);
}
.checkout-form fieldset {
  border: 1px solid var(--cn-line);
  border-radius: var(--cn-radius);
  background: #fff;
  padding: 16px 18px;
  margin: 0 0 16px;
}
.checkout-form legend {
  font: 500 0.82rem/1.2 Inter, system-ui, sans-serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cn-accent);
  padding: 0 6px;
}
.checkout-form label {
  display: block;
  font-size: 0.9rem;
  color: #46525a;
  margin-bottom: 10px;
}
.checkout-form input[type="email"],
.checkout-form input[type="text"] {
  display: block;
  width: 100%;
  min-height: 42px;
  margin-top: 4px;
  padding: 8px 10px;
  border: 1px solid var(--cn-line);
  border-radius: var(--cn-radius);
  font: 400 0.95rem/1.2 Inter, system-ui, sans-serif;
  background: var(--cn-paper);
  color: var(--cn-ink);
  box-sizing: border-box;
}
.checkout-form fieldset[disabled] input { opacity: .7; }
.checkout-form .radio { display: flex; align-items: center; gap: 8px; }
.field-note { font-size: 0.82rem; color: var(--cn-warn); margin: 0 0 10px; }
.co-lines { display: grid; gap: 8px; margin-bottom: 12px; }
.co-line {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.88rem;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--cn-line);
}
.co-line span:last-child { font-variant-numeric: tabular-nums; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .shop-layout { grid-template-columns: 1fr; gap: 20px; }
  .shop-filters { position: static; }
  .shop-filters__toggle {
    display: inline-flex;
    min-height: 44px;
    padding: 10px 18px;
    border: 1px solid var(--cn-line);
    border-radius: var(--cn-radius);
    background: #fff;
    font: 500 0.92rem/1 Inter, system-ui, sans-serif;
    color: var(--cn-ink);
    cursor: pointer;
    margin-bottom: 12px;
  }
  .shop-filters__panel[hidden] { display: none; }
  .product-top { grid-template-columns: 1fr; gap: 22px; }
  .cart-layout,
  .checkout-layout { grid-template-columns: 1fr; gap: 22px; }
  .cart-summary { position: static; }
}

@media (max-width: 720px) {
  :root { --cn-pad-y: 31px; --cn-gap: 12px; }
  .page,
  .shop-layout,
  .product-top,
  .product-section,
  .cart-layout,
  .checkout-layout,
  .breadcrumb { padding-inline: 16px; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pair-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card__name { font-size: 0.88rem; margin: 10px 10px 4px; }
  .card__price { margin: 0 10px 10px; font-size: 0.9rem; }
  .card__price-note { display: block; margin-top: 2px; }
  .card__img img { padding: 8px; }
  .product-gallery__thumbs button { flex-basis: 60px; width: 60px; height: 60px; }
  .cart-line { grid-template-columns: 60px minmax(0, 1fr); }
  .cart-line img { width: 60px; height: 60px; }
  .cart-line__price { grid-column: 2; text-align: left; }
  .buy-form { gap: 10px; }
  .buy-form .btn { flex: 1 1 100%; }
}

@media (max-width: 400px) {
  .product-grid,
  .pair-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .btn { transition: none; }
}