/* ==========================================================================
   Shop: catalogue listing, product detail, cart
   ========================================================================== */

.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  padding-block: var(--space-5);
  font-size: var(--text-sm);
  color: var(--ink-subtle);
}
.crumbs a { color: var(--ink-subtle); text-decoration: none; }
.crumbs a:hover { color: var(--accent); }
.crumbs span[aria-hidden] { color: var(--line-strong); }

/* --------------------------------------------------------------- listing */

.shop-head {
  background: var(--surface-sunken);
  border-bottom: 1px solid var(--line);
  padding-bottom: var(--space-7);
}
.shop-head h1 { font-size: var(--text-3xl); margin-bottom: var(--space-3); }
.shop-head .crumbs { padding-top: var(--space-5); }
.shop-head .lede { margin-top: var(--space-3); }

.shop {
  display: grid;
  gap: var(--space-7);
  padding-block: var(--space-7) var(--space-9);
  align-items: start;
}
@media (min-width: 60rem) {
  .shop { grid-template-columns: 15rem minmax(0, 1fr); gap: var(--space-8); }
  .shop__filters { position: sticky; top: calc(var(--header-h) + var(--space-5)); }
}

.shop__filters { display: grid; gap: var(--space-6); }

.shop__search-field { position: relative; }
.shop__search-field svg {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  translate: 0 -50%;
  width: 1.05rem; height: 1.05rem;
  color: var(--ink-subtle);
  pointer-events: none;
}
.shop__search-field .input { padding-left: calc(var(--space-3) * 2 + 1.05rem); }

.shop__filter-title {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--ink-subtle);
  margin-bottom: var(--space-3);
}
.shop__categories ul { list-style: none; padding: 0; display: grid; gap: 1px; }

.shop__cat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  color: var(--ink-muted);
  text-decoration: none;
  transition: background var(--duration) var(--ease), color var(--duration) var(--ease);
}
.shop__cat:hover { background: var(--surface-sunken); color: var(--ink); }
.shop__cat[aria-current="page"] {
  background: var(--accent-soft);
  color: var(--accent-ink);
  font-weight: 600;
}
.shop__cat-count {
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  color: var(--ink-subtle);
}
.shop__cat[aria-current="page"] .shop__cat-count { color: var(--accent-ink); }
.shop__cat-loading { font-size: var(--text-sm); color: var(--ink-subtle); }

.shop__toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--line);
}
.shop__count { font-size: var(--text-sm); color: var(--ink-subtle); }
.shop__sort .input { padding-block: var(--space-2); min-height: 2.5rem; font-size: var(--text-sm); }

.shop__empty {
  text-align: center;
  padding: var(--space-9) var(--space-4);
  display: grid;
  gap: var(--space-4);
  justify-items: center;
}
.shop__empty h2 { font-size: var(--text-xl); }

.product-card__stock--out { color: var(--ink-subtle); }

.pager {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-top: var(--space-8);
}
.pager__btn {
  min-width: 2.5rem;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink-muted);
  cursor: pointer;
}
.pager__btn:hover:not(:disabled) { border-color: var(--line-strong); color: var(--ink); }
.pager__btn[aria-current="page"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
.pager__btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* -------------------------------------------------------- product detail */

.pdp {
  display: grid;
  gap: clamp(var(--space-6), 5vw, var(--space-8));
  padding-bottom: var(--space-9);
  align-items: start;
}
@media (min-width: 56rem) {
  .pdp { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}
.pdp__loading { padding-block: var(--space-9); color: var(--ink-subtle); }

.pdp__image {
  aspect-ratio: 1;
  background: var(--surface-sunken);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  display: grid;
  place-items: center;
  align-content: center;
  gap: var(--space-3);
  color: var(--line-strong);
}
.pdp__image svg { width: 22%; height: 22%; }
.pdp__image p { font-size: var(--text-sm); color: var(--ink-subtle); }

.pdp__detail { display: grid; gap: var(--space-4); align-content: start; }
.pdp__detail h1 { font-size: var(--text-2xl); }
.pdp__sku {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--ink-subtle);
  letter-spacing: 0.04em;
}
.pdp__price {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.pdp__stock { font-size: var(--text-sm); font-weight: 600; color: var(--accent); }
.pdp__stock--low { color: var(--warn); }
.pdp__stock--out { color: var(--ink-subtle); }
.pdp__description { color: var(--ink-muted); }

.pdp__buy {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  padding-top: var(--space-3);
}

.pdp__qty, .cart-line__qty {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}
.pdp__qty button, .cart-line__qty button {
  width: 2.75rem;
  min-height: 3.25rem;
  border: 0;
  background: transparent;
  color: var(--ink-muted);
  font-size: 1.1rem;
  cursor: pointer;
  transition: background var(--duration) var(--ease);
}
.cart-line__qty button { min-height: 2.5rem; width: 2.25rem; }
.pdp__qty button:hover, .cart-line__qty button:hover { background: var(--surface-sunken); color: var(--ink); }
.pdp__qty input, .cart-line__qty input {
  width: 3.25rem;
  border: 0;
  text-align: center;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--ink);
  background: transparent;
  -moz-appearance: textfield;
}
.cart-line__qty input { width: 2.75rem; font-size: var(--text-sm); }
.pdp__qty input::-webkit-outer-spin-button, .pdp__qty input::-webkit-inner-spin-button,
.cart-line__qty input::-webkit-outer-spin-button, .cart-line__qty input::-webkit-inner-spin-button {
  appearance: none; margin: 0;
}
.cart-line__qty.is-busy { opacity: 0.5; pointer-events: none; }

.pdp__note {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  margin-top: var(--space-3);
  padding-top: var(--space-5);
  border-top: 1px solid var(--line);
  font-size: var(--text-sm);
  color: var(--ink-subtle);
}
.pdp__note svg { width: 1.1rem; height: 1.1rem; color: var(--accent); flex-shrink: 0; margin-top: 0.15em; }

/* ------------------------------------------------------------------ cart */

/* The page owns its vertical rhythm through one gap rather than each block
   carrying its own margin. Previously the h1 had a bottom margin and the
   standfirst below it had none, so the intro ran straight into the list. */
.cart-page {
  padding-bottom: var(--space-9);
  display: grid;
  gap: var(--space-7);
  align-content: start;
}
.cart-page h1 { font-size: var(--text-2xl); }

/* Breadcrumb, heading and standfirst read as one unit, so they sit closer to
   each other than the gap that separates the page's blocks. */
.page-intro { display: grid; gap: var(--space-3); }
.page-intro .crumbs { padding-block: var(--space-5) 0; }

.cart-empty {
  display: grid;
  justify-items: center;
  gap: var(--space-4);
  text-align: center;
  padding: var(--space-9) var(--space-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-sunken);
}
.cart-empty svg { width: 2.5rem; height: 2.5rem; color: var(--line-strong); }
.cart-empty h2 { font-size: var(--text-xl); }

.cart-lines { list-style: none; padding: 0; display: grid; gap: var(--space-4); }

.cart-line {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}
@media (min-width: 44rem) {
  .cart-line { grid-template-columns: 4.5rem minmax(0, 1fr) auto; align-items: center; }
}

.cart-line__media {
  width: 4.5rem; height: 4.5rem;
  display: grid; place-items: center;
  background: var(--surface-sunken);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--line-strong);
}
.cart-line__media svg { width: 40%; height: 40%; }

.cart-line__body { display: grid; gap: var(--space-1); align-content: center; }
.cart-line__cat { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-subtle); }
.cart-line__name { font-weight: 600; color: var(--ink); text-decoration: none; }
.cart-line__name:hover { color: var(--accent); }
.cart-line__unit { font-size: var(--text-sm); color: var(--ink-subtle); font-variant-numeric: tabular-nums; }
.cart-line__warn { font-size: var(--text-sm); color: var(--danger); margin-top: var(--space-1); }

.cart-line__controls {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}
@media (min-width: 44rem) {
  .cart-line__controls { grid-column: auto; justify-content: flex-end; }
}
.cart-line__total {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-md);
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  min-width: 6rem;
  text-align: right;
}
.cart-line__remove {
  border: 0;
  background: transparent;
  color: var(--ink-subtle);
  font-size: var(--text-sm);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  cursor: pointer;
}
.cart-line__remove:hover { color: var(--danger); }

.cart-summary {
  margin-top: var(--space-6);
  padding: var(--space-6);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-sunken);
  display: grid;
  gap: var(--space-4);
}
.cart-summary__figures { display: grid; gap: var(--space-3); margin: 0; }
.cart-summary__figures > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-4);
}
.cart-summary__figures dt { color: var(--ink-muted); }
.cart-summary__figures dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.cart-summary__note dd { font-family: var(--font-body); font-size: var(--text-sm); font-weight: 400; color: var(--ink-subtle); }

.cart-summary__stock {
  padding: var(--space-3) var(--space-4);
  background: var(--danger-soft);
  color: var(--danger);
  border-radius: var(--radius);
  font-size: var(--text-sm);
}

.btn.is-disabled { opacity: 0.45; pointer-events: none; }

.cart-summary__gate {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  font-size: var(--text-sm);
  color: var(--ink-subtle);
}
.cart-summary__gate svg { width: 1.1rem; height: 1.1rem; color: var(--accent); flex-shrink: 0; margin-top: 0.15em; }

.cart-summary__back { font-size: var(--text-sm); text-align: center; }

/* The listing sits next to a filter rail, so its cards need a smaller minimum
   than the home page's full-width grid to reach three across on a laptop. */
.shop__results .grid--3 {
  grid-template-columns: repeat(auto-fill, minmax(min(13.5rem, 100%), 1fr));
  gap: var(--space-4);
}

/* ------------------------------------------------- quote-first product page */

.pdp__image--has-photo { padding: 0; background: transparent; overflow: hidden; }
.pdp__image--has-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }

.pdp__quote-note {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-4);
  background: var(--accent-soft);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  color: var(--accent-ink);
}
.pdp__quote-note svg { width: 1.05rem; height: 1.05rem; flex-shrink: 0; margin-top: 0.15em; }

.pdp__specs {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-2);
  border-top: 1px solid var(--line);
  padding-top: var(--space-4);
}
.pdp__specs li {
  position: relative;
  padding-left: var(--space-5);
  font-size: var(--text-sm);
  color: var(--ink-muted);
  line-height: var(--leading-snug);
}
.pdp__specs li::before {
  content: "";
  position: absolute;
  left: var(--space-2);
  top: 0.55em;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent);
}

/* ------------------------------------------------------ quote request form */

.request-form {
  margin-top: var(--space-6);
  padding: var(--space-6);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-sunken);
  display: grid;
  gap: var(--space-5);
}
.request-form h2 { font-size: var(--text-lg); }
.request-form__note { text-align: center; }

.request-gate {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-5);
  background: var(--accent-soft);
  border-radius: var(--radius);
}
.request-gate svg { width: 1.4rem; height: 1.4rem; color: var(--accent); flex-shrink: 0; margin-top: 0.1em; }
.request-gate strong { display: block; color: var(--ink); margin-bottom: var(--space-2); }
.request-gate p { font-size: var(--text-sm); color: var(--ink-muted); margin: 0; }
.request-gate__actions { display: flex; gap: var(--space-3); margin-top: var(--space-4) !important; flex-wrap: wrap; }

.cart-line__media img { width: 100%; height: 100%; object-fit: contain; padding: 4px; background: #fff; }

/* Equal height cards: the grid stretches its children and the card fills it,
   so the "Request a quote" line sits on the same baseline across a row. */
.shop__results .grid--3,
.grid--3, .grid--4 { align-items: stretch; }

/* --------------------------------------------------------------- hover zoom */

.pdp__image--has-photo { position: relative; cursor: zoom-in; }
.pdp__image--has-photo.is-loading { background: var(--surface-sunken); }
.pdp__image--has-photo img {
  opacity: 0;
  transition: opacity 320ms var(--ease);
}
.pdp__image--has-photo img.is-loaded { opacity: 1; }

.zoom-lens {
  position: absolute;
  top: 0; left: 0;
  border: 1px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  pointer-events: none;
  border-radius: var(--radius-sm);
  will-change: transform;
}

/* The panel sits beside the image on wide screens and is simply not offered
   where there is no room for it, since a magnifier that covers the thing it is
   magnifying is worse than none. */
.zoom-panel {
  position: absolute;
  top: 0;
  left: calc(100% + var(--space-5));
  /* Width and height are set from the image's own box in JS. A percentage here
     depends on which ancestor happens to be positioned, which is exactly what
     broke this. */
  background-repeat: no-repeat;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 20;
  pointer-events: none;
}
@media (max-width: 68rem) {
  .zoom-lens, .zoom-panel { display: none !important; }
  .pdp__image--has-photo { cursor: default; }
}

/* ------------------------------------------------------- ask about product */

.ask {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  overflow: hidden;
}

.ask__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border: 0;
  background: transparent;
  font: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
}
.ask__toggle:hover { background: var(--surface-sunken); }
.ask__toggle > svg:first-child { width: 1.15rem; height: 1.15rem; color: var(--accent); flex-shrink: 0; }
.ask__chev {
  width: 0.7rem; height: 0.5rem;
  margin-left: auto;
  color: var(--ink-subtle);
  transition: transform var(--duration) var(--ease);
}
.ask__toggle[aria-expanded="true"] .ask__chev { transform: rotate(180deg); }

.ask__panel {
  padding: 0 var(--space-5) var(--space-5);
  display: grid;
  gap: var(--space-4);
  border-top: 1px solid var(--line);
  padding-top: var(--space-4);
}

.ask__suggestions { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: var(--space-2); }
.ask__suggestions button {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--surface-sunken);
  font: inherit;
  font-size: var(--text-xs);
  color: var(--ink-muted);
  cursor: pointer;
}
.ask__suggestions button:hover { border-color: var(--accent); color: var(--accent); }

.ask__thread { display: grid; gap: var(--space-3); max-height: 22rem; overflow-y: auto; }
.ask__thread:empty { display: none; }

.ask__msg {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  max-width: 92%;
}
.ask__msg--you {
  background: var(--accent);
  color: #fff;
  justify-self: end;
  border-bottom-right-radius: var(--radius-sm);
}
.ask__msg--bot {
  background: var(--surface-sunken);
  color: var(--ink-muted);
  border-bottom-left-radius: var(--radius-sm);
}
.ask__msg--pending { color: var(--ink-subtle); font-style: italic; }
/* A refusal is styled as guidance, not as an error: declining a clinical
   question is the assistant working correctly. */
.ask__msg--refused { background: var(--warn-soft); color: var(--warn); }

.ask__form { display: flex; gap: var(--space-2); }
.ask__form .input { flex: 1; }
.ask__disclaimer { font-size: var(--text-xs); color: var(--ink-subtle); line-height: var(--leading-normal); }
.ask__disclaimer:empty { display: none; }

/* ------------------------------------------------------- priced products */

.pdp__was, .product-card__was {
  margin-left: var(--space-3);
  color: var(--ink-subtle);
  text-decoration: line-through;
  text-decoration-thickness: 1px;
  font-weight: 400;
}
.pdp__was { font-size: var(--text-lg); }
.product-card__was { font-size: var(--text-xs); margin-left: var(--space-2); }

.pdp__buy-note {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-4);
  background: var(--accent-soft);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  color: var(--accent-ink);
}
.pdp__buy-note svg { width: 1.05rem; height: 1.05rem; flex-shrink: 0; margin-top: 0.15em; }

/* --------------------------------------------------- priced vs quoted cart */

.buy-summary {
  margin-top: var(--space-6);
  padding: var(--space-6);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-sunken);
  display: grid;
  gap: var(--space-4);
}
.buy-summary__note { text-align: center; }

.cart-mixed {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  margin-top: var(--space-5);
  padding: var(--space-4);
  background: var(--accent-soft);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  color: var(--accent-ink);
}
.cart-mixed svg { width: 1.1rem; height: 1.1rem; flex-shrink: 0; margin-top: 0.15em; }

/* ------------------------------------------------------------ photo strip */

.pdp__thumbs {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
  overflow-x: auto;
  scrollbar-width: thin;
  padding-bottom: var(--space-1);
}
.pdp__thumb {
  flex: 0 0 4.5rem;
  aspect-ratio: 1;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  cursor: pointer;
  opacity: 0.75;
  transition: border-color var(--duration) var(--ease), opacity var(--duration) var(--ease);
}
.pdp__thumb img { width: 100%; height: 100%; object-fit: contain; display: block; }
.pdp__thumb:hover { opacity: 1; border-color: var(--line-strong); }
.pdp__thumb[aria-pressed="true"] { opacity: 1; border: 2px solid var(--accent); }
.pdp__thumb:focus-visible { outline: none; box-shadow: var(--ring); }