/* Pacisoft 2026 — category page (may-chu.html) only.
   Requires tokens.css + base.css. Defines NO tokens, overrides NO base components. */

/* the page toggles states with [hidden]; display:grid/flex below must not win */
[hidden] { display: none !important; }

/* ------------------------------------------------------------ breadcrumb */
.breadcrumb { padding-block: var(--space-6) 0; }
.breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); list-style: none; margin: 0; padding: 0; font-size: var(--text-sm); color: var(--ink-soft); }
.breadcrumb li + li::before { content: "/"; margin-right: var(--space-2); color: var(--line); }
.breadcrumb a { display: inline-flex; align-items: center; min-height: 40px; color: var(--ink-soft); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent-ink); text-decoration: underline; }
.breadcrumb [aria-current="page"] { color: var(--ink); font-weight: 500; }

/* ------------------------------------------------------------- page head */
.page-head { padding-block: var(--space-6) var(--space-8); max-width: 62ch; }
.page-head .lead { margin-top: var(--space-3); }

/* ------------------------------------------------------- type switch */
.type-switch { border: 0; margin: 0 0 var(--space-6); padding: 0; min-width: 0; }
.type-switch-legend {
  padding: 0 0 var(--space-3);
  font-family: var(--font-display); font-weight: 700; font-size: var(--text-xs);
  letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft);
}
.type-switch-options {
  display: grid; gap: var(--space-2);
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 560px) {
  .type-switch-options { display: inline-flex; gap: 0; padding: 4px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
}

.type-opt { position: relative; display: block; min-width: 0; }
.type-opt input {
  position: absolute; inset: 0; width: 100%; height: 100%; margin: 0;
  opacity: 0; cursor: pointer;
}
.type-opt-body {
  display: flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: 44px; padding: var(--space-2) var(--space-4);
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--white); color: var(--ink-soft);
  font-size: var(--text-sm); font-weight: 600; line-height: 1.2; text-align: center;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
@media (min-width: 560px) {
  .type-opt-body { border-color: transparent; box-shadow: none; }
}
.type-opt input:hover + .type-opt-body { background: var(--accent-soft); color: var(--accent-ink); }
.type-opt input:checked + .type-opt-body {
  background: var(--accent); border-color: var(--accent); color: var(--accent-fg);
  box-shadow: 0 2px 10px rgba(0,122,133,.26);
}
.type-opt input:focus-visible + .type-opt-body { outline: 3px solid var(--accent-ink); outline-offset: 2px; }
.type-opt-count {
  flex-shrink: 0; min-width: 22px; padding-inline: 6px;
  font-size: var(--text-xs); font-weight: 700; font-variant-numeric: tabular-nums;
  border-radius: 999px; background: var(--accent-soft); color: var(--accent-ink);
}
.type-opt input:checked + .type-opt-body .type-opt-count { background: rgba(255,255,255,.62); color: var(--accent-fg); }

/* ---------------------------------------------------------------- layout */
.catalog-layout { display: grid; gap: var(--space-6); align-items: start; padding-bottom: var(--space-12); }
@media (min-width: 768px) {
  .catalog-layout { grid-template-columns: 264px minmax(0, 1fr); gap: var(--space-8); }
}
@media (min-width: 1024px) { .catalog-layout { grid-template-columns: 288px minmax(0, 1fr); } }

/* --------------------------------------------------------- mobile toggle */
.filter-toggle { width: 100%; justify-content: space-between; }
.filter-toggle svg { flex-shrink: 0; }
.filter-toggle > span:first-of-type { margin-right: auto; margin-left: var(--space-2); }
.filter-toggle[aria-expanded="true"] { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-ink); }
.filter-toggle-count {
  display: inline-grid; place-items: center; min-width: 22px; height: 22px; padding-inline: 6px;
  font-size: var(--text-xs); font-weight: 700; line-height: 1;
  color: var(--accent-fg); background: var(--accent); border-radius: 999px;
}
@media (min-width: 768px) { .filter-toggle { display: none; } }

/* ----------------------------------------------------------- filter rail */
.filter-rail {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow); padding: var(--space-4);
}
@media (max-width: 767px) {
  .filter-rail { display: none; }
  .filter-rail.is-open { display: block; }
}
@media (min-width: 768px) {
  .filter-rail { position: sticky; top: 84px; max-height: calc(100vh - 104px); overflow-y: auto; }
}

.filter-rail-head { display: flex; align-items: center; gap: var(--space-3); padding-bottom: var(--space-3); border-bottom: 1px solid var(--line); }
.filter-rail-title { font-family: var(--font-display); font-weight: 700; font-size: var(--text-base); letter-spacing: -.01em; margin: 0; margin-right: auto; }

.facet-list { display: block; }
.facet-loading { padding-block: var(--space-4); }

.facet { border: 0; margin: 0; padding: var(--space-4) 0 0; }
.facet + .facet { border-top: 1px solid var(--line); margin-top: var(--space-4); }
.facet-legend {
  display: block; padding: 0 0 var(--space-2);
  font-family: var(--font-display); font-weight: 700; font-size: var(--text-xs);
  letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft);
}
.facet-options { list-style: none; margin: 0; padding: 0; }

.facet-opt {
  display: flex; align-items: center; gap: var(--space-3);
  min-height: 40px; padding: var(--space-1) var(--space-2);
  margin-inline: calc(var(--space-2) * -1);
  border-radius: var(--radius); cursor: pointer;
  font-size: var(--text-sm); line-height: 1.35;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.facet-opt:hover { background: var(--accent-soft); }
.facet-opt input[type="checkbox"] {
  flex-shrink: 0; width: 18px; height: 18px; margin: 0;
  accent-color: var(--accent); cursor: pointer;
}
.facet-opt-label { flex: 1 1 auto; min-width: 0; }
.facet-opt-count { flex-shrink: 0; font-size: var(--text-xs); font-variant-numeric: tabular-nums; color: var(--ink-soft); }
.facet-opt.is-checked { font-weight: 600; color: var(--accent-ink); }
.facet-opt.is-empty { color: color-mix(in srgb, var(--ink-soft) 62%, var(--white)); }
.facet-opt.is-empty .facet-opt-count { color: color-mix(in srgb, var(--ink-soft) 62%, var(--white)); }

/* base.css gives .select a soft focus ring and `outline: none`; both page
   selects are primary controls, so put the standard focus outline back
   (same override pattern as .header-search .input in base.css). */
.facet-select:focus-visible, .sort-select:focus-visible { outline: 3px solid var(--accent-ink); outline-offset: 2px; }

/* single-select facet (company size): a business question, not a filter list */
.facet-select { min-height: 44px; }
.facet-help { margin-top: var(--space-2); font-size: var(--text-xs); color: var(--ink-soft); line-height: 1.45; }

/* collapsed group for the weakly-discriminating facets */
.facet-advanced { border-top: 1px solid var(--line); margin-top: var(--space-4); padding-top: var(--space-4); }
.facet-advanced-summary {
  display: flex; align-items: center; gap: var(--space-2);
  min-height: 40px; padding: var(--space-1) var(--space-2);
  margin-inline: calc(var(--space-2) * -1);
  border-radius: var(--radius); cursor: pointer; list-style: none;
  font-family: var(--font-display); font-weight: 700; font-size: var(--text-xs);
  letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft);
}
.facet-advanced-summary::-webkit-details-marker { display: none; }
.facet-advanced-summary::after {
  content: ""; margin-left: auto; width: 8px; height: 8px;
  border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translate(-2px, -2px);
}
.facet-advanced[open] > .facet-advanced-summary::after { transform: rotate(-135deg) translate(-2px, -2px); }
.facet-advanced-summary:hover { background: var(--accent-soft); color: var(--accent-ink); }
.facet-advanced-body > .facet:first-child { padding-top: var(--space-2); }
.facet-empty { padding-block: var(--space-4); }

/* --------------------------------------------------------- active chips */
.active-filters { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); margin-bottom: var(--space-4); }
.active-filters-list { display: contents; list-style: none; margin: 0; padding: 0; }
.filter-chip {
  min-height: 40px; cursor: pointer;
  font-family: inherit; font-weight: 600; color: var(--accent-ink);
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.filter-chip:hover { background: color-mix(in srgb, var(--accent) 16%, var(--accent-soft)); border-color: var(--accent-ink); }
.filter-chip svg { flex-shrink: 0; opacity: .7; }
.filter-chip:hover svg { opacity: 1; }
.filter-chip .chip-facet { font-weight: 400; opacity: .75; }

/* ------------------------------------------------------ dropped-filter note */
.filters-notice {
  margin-bottom: var(--space-4); padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm); line-height: 1.45; color: var(--accent-ink);
  background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 38%, var(--accent-soft)); border-radius: var(--radius);
}
.filters-notice strong { font-weight: 700; }

/* ---------------------------------------------------------- results head */
.results-head {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: var(--space-3); margin-bottom: var(--space-4);
}
.results-count { font-size: var(--text-sm); color: var(--ink-soft); margin: 0; }
.results-count strong { color: var(--ink); font-weight: 700; }
.results-count:focus-visible { outline: 3px solid var(--accent-ink); outline-offset: 4px; border-radius: var(--radius); }

/* ------------------------------------------------------------ sort control */
.sort-control { display: flex; align-items: center; gap: var(--space-2); margin-left: auto; min-width: 0; }
.sort-label { flex-shrink: 0; font-size: var(--text-sm); font-weight: 600; color: var(--ink-soft); }
.sort-select { min-height: 44px; width: auto; min-width: 168px; max-width: 100%; padding-block: var(--space-2); font-size: var(--text-sm); }
@media (max-width: 519px) {
  .results-head { align-items: stretch; }
  .sort-control { width: 100%; margin-left: 0; }
  .sort-select { flex: 1 1 auto; min-width: 0; }
}

/* --------------------------------------------------------- product grid */
.product-grid { display: grid; gap: var(--space-4); grid-template-columns: minmax(0, 1fr); }
@media (min-width: 520px) { .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.product-card { height: 100%; animation: card-in .28s var(--ease) both; animation-delay: calc(var(--i, 0) * 34ms); }
@keyframes card-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.product-card .card-media { aspect-ratio: 4 / 3; }
.product-card .card-media img { width: auto; max-height: 100%; object-fit: contain; }
.product-card .card-title { min-height: 2.6em; }

.spec-chips { display: flex; flex-wrap: wrap; gap: var(--space-2); list-style: none; margin: 0; padding: 0; }
.spec-chips .chip { max-width: 100%; }
.spec-chips .chip-key { font-weight: 600; color: var(--ink); }
.spec-chips .chip-val { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.card-add.is-added { background: var(--ok); box-shadow: none; }
.card-add.is-added:hover { background: var(--ok); }

/* the whole thumbnail is a link to the PDP; the visible title link above carries
   the accessible name, so this one is removed from the a11y tree and the tab order */
.product-card a.card-media { text-decoration: none; }

/* compare toggle: deliberately secondary to "Thêm vào báo giá" — same width,
   half the weight, ghost styling. compare.js paints the pressed state. */
.card-actions { display: grid; gap: var(--space-2); }
.card-compare { width: 100%; font-weight: 600; color: var(--ink-soft); }
.card-compare:hover { color: var(--accent-ink); }

/* ----------------------------------------------------------- zero state */
.zero-state {
  display: grid; justify-items: center; gap: var(--space-3);
  padding: var(--space-16) var(--space-6); text-align: center;
  background: var(--white); border: 1px dashed var(--line); border-radius: var(--radius-lg);
}
.zero-state svg { color: var(--ink-soft); opacity: .55; }
.zero-state p { max-width: 42ch; }
.zero-state .btn { margin-top: var(--space-2); }
.zero-state-note { padding: var(--space-6); background: var(--accent-soft); border-radius: var(--radius); }