/* Category & Brand detail pages */

/* Category/Brand hero — mobile-first */
.detail-hero {
  position: relative;
  padding: var(--s-8) 0 var(--s-6);
  background:
    radial-gradient(circle at 90% 20%, rgba(31, 111, 178, 0.08), transparent 60%),
    var(--km-paper);
  border-bottom: 1px solid var(--km-line);
}
@media (min-width: 720px) {
  .detail-hero { padding: var(--s-10) 0 var(--s-8); }
}
.detail-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-5);
  align-items: flex-end;
}
@media (min-width: 720px) {
  .detail-hero__inner { grid-template-columns: 1fr auto; gap: var(--s-8); }
}
.detail-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--km-deep);
  background: var(--km-deep-soft);
  padding: 5px 12px;
  border-radius: var(--r-pill);
  margin-bottom: var(--s-3);
}
.detail-hero__title {
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: var(--s-3);
  max-width: 720px;
}
.detail-hero__lede {
  font-size: var(--t-16);
  color: var(--km-ink-600);
  line-height: 1.6;
  max-width: 640px;
}

.detail-hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-3);
  padding: var(--s-4);
  background: white;
  border: 1px solid var(--km-line);
  border-radius: var(--r-3);
  box-shadow: var(--shadow-2);
}
@media (min-width: 720px) {
  .detail-hero__metrics { grid-template-columns: repeat(3, auto); gap: var(--s-6); padding: var(--s-5) var(--s-6); }
}
.detail-hero__metric { min-width: 0; }
@media (min-width: 720px) { .detail-hero__metric { min-width: 110px; } }
.detail-hero__metric-num {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--km-deep);
  line-height: 1;
}
@media (min-width: 720px) { .detail-hero__metric-num { font-size: 24px; } }
.detail-hero__metric-lbl {
  font-size: 12px;
  color: var(--km-ink-500);
  margin-top: 4px;
}

/* Sub-category / filter chip rows */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
}
.chip-row .chip {
  font-size: var(--t-13);
  padding: 6px 14px;
  background: white;
  border: 1px solid var(--km-line);
  cursor: pointer;
  transition: all .12s;
}
.chip-row .chip:hover {
  border-color: var(--km-deep);
  color: var(--km-deep);
}
.chip-row .chip--on {
  background: var(--km-ink-900);
  color: white;
  border-color: var(--km-ink-900);
}

/* Brand chip with count */
.brand-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 6px 6px 12px;
  background: white;
  border: 1px solid var(--km-line);
  border-radius: var(--r-pill);
  font-size: var(--t-13);
  font-weight: 500;
  color: var(--km-ink-700);
  cursor: pointer;
  transition: all .12s;
}
.brand-chip:hover { border-color: var(--km-deep); color: var(--km-deep); }
.brand-chip__count {
  background: var(--km-paper-2);
  color: var(--km-ink-500);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: var(--r-pill);
  font-weight: 600;
}
.brand-chip:hover .brand-chip__count { background: var(--km-deep-soft); color: var(--km-deep); }

/* "Cheapest right now" rail */
.cheapest-rail {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--km-line);
  border-radius: var(--r-3);
  overflow: hidden;
  border: 1px solid var(--km-line);
}
/* Cheapest rail — mobile-first */
.cheapest-row {
  display: grid;
  grid-template-columns: 28px 48px 1fr auto;
  gap: var(--s-2);
  align-items: center;
  padding: var(--s-3);
  background: white;
  transition: background .12s;
}
@media (min-width: 641px) {
  .cheapest-row { grid-template-columns: 36px 56px 1fr auto auto; gap: var(--s-3); padding: var(--s-3) var(--s-4); }
}
.cheapest-row:hover { background: var(--km-paper-2); }
.cheapest-row__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--km-ink-400);
  font-weight: 600;
}
.cheapest-row__num--top {
  color: var(--km-good);
  background: var(--km-good-soft);
  padding: 2px 6px;
  border-radius: 4px;
  text-align: center;
}
.cheapest-row__img {
  width: 48px; aspect-ratio: 1;
  background:
    repeating-linear-gradient(135deg, rgba(15,27,45,0.04) 0 1px, transparent 1px 8px),
    var(--km-paper-2);
  border-radius: var(--r-1);
  border: 1px solid var(--km-line);
}
@media (min-width: 641px) { .cheapest-row__img { width: 56px; } }
.cheapest-row__name { font-size: var(--t-14); font-weight: 500; color: var(--km-ink-900); }
.cheapest-row__brand { font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--km-ink-500); font-weight: 600; margin-bottom: 2px; }
.cheapest-row__price { font-size: var(--t-16); font-weight: 700; text-align: right; }
.cheapest-row__price small { display: block; font-weight: 500; font-size: 11px; color: var(--km-ink-500); }
.cheapest-row__cta {
  display: none;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--km-paper-2);
  align-items: center;
  justify-content: center;
  color: var(--km-deep);
}
@media (min-width: 641px) { .cheapest-row__cta { display: inline-flex; } }
.cheapest-row:hover .cheapest-row__cta { background: var(--km-deep); color: white; }

@media (max-width: 640px) {
  /* handled above */
}

/* Merchant distribution */
.merch-table {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--km-line);
  border-radius: var(--r-3);
  overflow: hidden;
  background: white;
}
/* Merchant table — mobile-first */
.merch-row {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  gap: var(--s-2);
  align-items: center;
  padding: var(--s-3);
  border-bottom: 1px solid var(--km-line);
  font-size: var(--t-14);
}
@media (min-width: 721px) {
  .merch-row { grid-template-columns: 48px 1fr auto auto auto; gap: var(--s-3); padding: var(--s-3) var(--s-4); }
}
.merch-row:last-child { border-bottom: 0; }
.merch-row:hover { background: var(--km-paper-2); }
.merch-row__logo {
  width: 40px; height: 40px;
  border-radius: var(--r-2);
  background: var(--km-paper-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  color: var(--km-deep);
  border: 1px solid var(--km-line);
}
.merch-row__name { font-weight: 600; color: var(--km-ink-900); }
.merch-row__loc { font-size: 12px; color: var(--km-ink-500); }
.merch-row__bar {
  display: none;
  width: 120px;
  height: 6px;
  background: var(--km-paper-2);
  border-radius: var(--r-pill);
  overflow: hidden;
  margin-right: var(--s-3);
}
@media (min-width: 721px) { .merch-row__bar { display: block; } }
.merch-row__bar-fill { height: 100%; background: var(--km-deep-2); border-radius: var(--r-pill); }
.merch-row__loc { display: none; font-size: 12px; color: var(--km-ink-500); }
@media (min-width: 721px) { .merch-row__loc { display: block; } }
.merch-row__count { font-family: var(--font-mono); font-size: 12px; color: var(--km-ink-600); min-width: 32px; text-align: right; }
@media (max-width: 720px) {
  /* handled above */
}

/* PROSE — guide content */
.prose {
  max-width: 720px;
  font-size: var(--t-16);
  line-height: 1.65;
  color: var(--km-ink-700);
}
.prose h3 {
  font-size: var(--t-18);
  font-weight: 600;
  color: var(--km-ink-900);
  margin: var(--s-6) 0 var(--s-2);
}
.prose p { margin-bottom: var(--s-3); }
.prose ul { padding-left: var(--s-5); margin-bottom: var(--s-3); list-style: disc; }
.prose ul li { margin-bottom: var(--s-2); }
.prose strong { color: var(--km-ink-900); font-weight: 600; }

/* Brand list mini-card */
.brand-cover-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--s-3);
}
.brand-cover {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--s-4) var(--s-3);
  background: white;
  border: 1px solid var(--km-line);
  border-radius: var(--r-3);
  transition: all .12s;
}
.brand-cover:hover {
  border-color: var(--km-deep);
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
}
.brand-cover__seal {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--km-deep-soft);
  color: var(--km-deep);
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--s-2);
  letter-spacing: -0.02em;
}
.brand-cover__name { font-weight: 600; font-size: var(--t-14); }
.brand-cover__count { font-size: 11px; color: var(--km-ink-500); margin-top: 2px; }

/* Two-column detail layout — mobile-first */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-6);
  margin-top: var(--s-6);
}
@media (min-width: 901px) {
  .detail-grid { grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr); gap: var(--s-8); margin-top: var(--s-8); }
}

/* Side info card */
.aside-card {
  background: white;
  border: 1px solid var(--km-line);
  border-radius: var(--r-3);
  padding: var(--s-5);
}
.aside-card + .aside-card { margin-top: var(--s-3); }
.aside-card__title {
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--km-ink-500);
  font-weight: 600;
  margin-bottom: var(--s-3);
}