/* ==========================================================================
   PESU — shop pages
   Listing, bag, checkout, order and content pages. Composes the same tokens
   as the rest of the site; no new colours, no new type sizes.
   ========================================================================== */

/* --- Shared page furniture ---------------------------------------------- */
.listing, .page { padding-top: calc(var(--header-h) + 2rem); padding-bottom: var(--section-y); }
.listing__head, .page__head {
  display: grid; gap: var(--sp-3);
  padding-block: var(--sp-4) var(--sp-6);
  max-width: 46ch;
}

/* --- Filters -------------------------------------------------------------- */
.listing__filters {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  padding-bottom: var(--sp-5);
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--sp-6);
}
.chip {
  display: inline-flex; align-items: center; gap: 0.5rem;
  border: 1px solid var(--line); border-radius: 99px;
  padding: 0.5rem 1rem;
  font-size: var(--step--2); letter-spacing: 0.08em; text-transform: uppercase;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.chip span { color: var(--fg-faint); font-variant-numeric: tabular-nums; }
.chip:hover { border-color: var(--fg-muted); }
.chip.is-on { background: var(--ink); border-color: var(--ink); color: var(--alabaster); }
.chip.is-on span { color: rgba(247,243,237,.6); }
.chip--material i {
  width: 14px; height: 14px; border-radius: 50%; display: inline-block; position: relative; overflow: hidden;
}

/* --- Product grid --------------------------------------------------------- */
.listing__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1rem, 2.4vw, 2.25rem) clamp(1rem, 2vw, 1.75rem);
}
.tile__flag {
  position: absolute; top: 0.9rem; left: 0.9rem; z-index: 3;
  background: var(--alabaster); color: var(--ink);
  padding: 0.3rem 0.7rem;
  font-size: var(--step--2); letter-spacing: 0.1em; text-transform: uppercase;
}

/* --- Bag ------------------------------------------------------------------ */
.bag { display: grid; grid-template-columns: 1fr minmax(280px, 0.6fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.bag__summary { border: 1px solid var(--line); padding: var(--sp-5); display: grid; gap: var(--sp-3); position: sticky; top: calc(var(--header-h) + 1.5rem); }
.totals { display: grid; grid-template-columns: 1fr auto; gap: 0.55rem 1.5rem; font-size: var(--step--1); }
.totals dt { color: var(--fg-muted); }
.totals dd { text-align: right; }
.totals__grand { font-family: var(--font-display); font-size: var(--step-1); color: var(--fg); padding-top: 0.6rem; border-top: 1px solid var(--line-soft); }
.qty--sm button { width: 2.2rem; height: 2rem; }
.qty--sm output { min-width: 2rem; font-size: var(--step--1); }
.qty__input {
  width: 3rem; text-align: center; border: 0; background: none;
  font-variant-numeric: tabular-nums; -moz-appearance: textfield;
}
.qty__input::-webkit-outer-spin-button, .qty__input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* --- Checkout ------------------------------------------------------------- */
.checkout { display: grid; grid-template-columns: 1fr minmax(300px, 0.62fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.checkout fieldset { border: 0; padding: 0; margin: 0; }
.checkout legend { margin-bottom: var(--sp-4); padding-top: var(--sp-2); }
.checkout fieldset + fieldset { margin-top: var(--sp-6); }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
.field--wide { grid-column: 1 / -1; }
.field__opt { color: var(--fg-faint); text-transform: none; letter-spacing: 0; }
.checkout__summary {
  border: 1px solid var(--line); padding: var(--sp-5);
  display: grid; gap: var(--sp-3);
  position: sticky; top: calc(var(--header-h) + 1.5rem);
  background: color-mix(in srgb, var(--gypsum) 40%, transparent);
}
.checkout__line {
  display: grid; grid-template-columns: 2.2rem 1fr auto; gap: 0.6rem;
  font-size: var(--step--1); padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line-soft);
}
.checkout__line-qty { color: var(--fg-faint); font-variant-numeric: tabular-nums; }

.pay-methods { display: grid; gap: 0.75rem; }
.pay-method {
  display: grid; grid-template-columns: auto 1fr; gap: 0.9rem; align-items: start;
  border: 1px solid var(--line); padding: 1rem 1.15rem; cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease);
}
.pay-method:hover { border-color: var(--fg-muted); }
.pay-method:has(input:checked) { border-color: var(--ink); }
.pay-method input { margin-top: 0.35em; accent-color: var(--ink); }
.pay-method__label { display: block; font-size: var(--step-0); }
.pay-method__desc { display: block; font-size: var(--step--2); color: var(--fg-muted); margin-top: 0.2rem; }

.form-error { color: var(--clay); font-size: var(--step--1); }
.form-error--block { border: 1px solid var(--clay); padding: 0.9rem 1.1rem; margin-bottom: var(--sp-4); }

/* --- Order & content ------------------------------------------------------ */
.order-summary, .panel-note {
  border: 1px solid var(--line); padding: var(--sp-5);
  display: grid; gap: var(--sp-4); max-width: 640px;
}
.panel-note { background: color-mix(in srgb, var(--gypsum) 50%, transparent); margin-bottom: var(--sp-5); }
.lookup { display: grid; gap: var(--sp-4); max-width: 420px; }
.prose--page h3 { font-family: var(--font-display); font-size: var(--step-1); color: var(--fg); margin-top: var(--sp-5); margin-bottom: 0.5rem; font-weight: 400; }
.prose--page .totals { margin-block: var(--sp-4); }
.prose--page a { border-bottom: 1px solid var(--line); }
.config__compare { font-size: var(--step--1); color: var(--fg-faint); text-decoration: line-through; }

/* --- Responsive ----------------------------------------------------------- */
@media (max-width: 1080px) {
  .listing__grid { grid-template-columns: repeat(3, 1fr); }
  .checkout, .bag { grid-template-columns: 1fr; }
  .checkout__summary, .bag__summary { position: static; }
}
@media (max-width: 760px) {
  .listing__grid { grid-template-columns: repeat(2, 1fr); }
  .field-grid { grid-template-columns: 1fr; }
}
@media (max-width: 420px) {
  .listing__grid { grid-template-columns: 1fr; }
}