:root {
  --black: #090909;
  --white: #fff;
  --bg: #f5f4f1;
  --soft: #efeee9;
  --line: #dedbd3;
  --muted: #77736a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100svh;
  background: var(--bg);
  color: var(--black);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input {
  font: inherit;
}

.app {
  display: grid;
  width: min(980px, calc(100% - 28px));
  min-height: 100svh;
  align-content: start;
  gap: 16px;
  margin: 0 auto;
  padding: clamp(18px, 4vw, 46px) 0;
}

.search-panel,
.result-panel {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255,255,255,.82);
  box-shadow: 0 24px 80px rgba(0,0,0,.08);
}

.search-panel {
  position: relative;
  padding: clamp(22px, 4vw, 40px);
}

.language-toggle {
  position: absolute;
  top: clamp(18px, 3vw, 28px);
  right: clamp(18px, 3vw, 28px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--soft);
  padding: 3px;
  box-shadow: 0 10px 28px rgba(0,0,0,.08);
}

.language-toggle button {
  min-width: 48px;
  height: 32px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  padding: 0 12px;
  font-size: 13px;
  font-weight: 950;
}

.language-toggle button.active {
  background: var(--black);
  color: var(--white);
  box-shadow: 0 8px 20px rgba(0,0,0,.16);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(52px, 11vw, 104px);
  line-height: .86;
  letter-spacing: -.06em;
}

.hint {
  max-width: 560px;
  margin: 18px 0 26px;
  color: var(--muted);
  font-size: clamp(16px, 2.4vw, 20px);
  line-height: 1.45;
}

.search-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 126px;
  gap: 10px;
}

.search-box input {
  width: 100%;
  min-height: 62px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--black);
  padding: 0 24px;
  outline: none;
  font-size: 24px;
  font-weight: 850;
  text-transform: uppercase;
  text-overflow: ellipsis;
}

.search-box input:focus {
  border-color: var(--black);
  box-shadow: 0 0 0 4px rgba(0,0,0,.08);
}

.search-box button {
  min-height: 62px;
  border: 0;
  border-radius: 999px;
  background: var(--black);
  color: var(--white);
  cursor: pointer;
  font-weight: 900;
}

.result-panel {
  overflow: hidden;
}

.result-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  padding: 22px clamp(18px, 3vw, 28px);
}

.result-head h2 {
  margin: 0;
  font-size: clamp(26px, 4vw, 44px);
  line-height: 1;
  letter-spacing: -.035em;
}

#resultCount {
  display: grid;
  min-width: 56px;
  height: 44px;
  place-items: center;
  border-radius: 999px;
  background: var(--black);
  color: var(--white);
  font-size: 20px;
  font-weight: 950;
}

.results {
  display: grid;
  gap: 1px;
  background: var(--line);
}

.result-tabs {
  position: sticky;
  top: 0;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  padding: 10px;
}

.result-tabs button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  background: var(--soft);
  color: var(--muted);
  cursor: pointer;
  font-weight: 950;
}

.result-tabs button.active {
  background: var(--black);
  color: var(--white);
}

.result-tabs span {
  opacity: .72;
  font-size: 12px;
}

.results.empty {
  display: block;
  background: transparent;
  padding: 28px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.5;
}

.item {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) 112px 104px 112px;
  gap: 14px;
  align-items: center;
  background: var(--white);
  padding: 16px clamp(16px, 3vw, 24px);
  cursor: pointer;
}

.item:hover {
  background: #fbfaf7;
}

.sku,
.location,
.price,
.pack {
  font-weight: 950;
}

.sku {
  font-size: 20px;
}

.name {
  min-width: 0;
  overflow: hidden;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.location {
  justify-self: start;
  border-radius: 999px;
  background: var(--black);
  color: var(--white);
  padding: 10px 13px;
  font-size: 15px;
}

.price,
.pack {
  color: var(--muted);
  font-size: 15px;
  text-align: right;
}

.series-line {
  grid-column: 2 / -1;
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .04em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.no-location {
  background: var(--soft);
  color: var(--muted);
}

.series-results {
  gap: 0;
  background: var(--white);
}

.series-category,
.series-subcategory {
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.series-category > summary,
.series-subcategory > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  list-style: none;
}

.series-category > summary::-webkit-details-marker,
.series-subcategory > summary::-webkit-details-marker {
  display: none;
}

.series-category > summary {
  padding: 18px clamp(16px, 3vw, 24px);
  background: #f8f7f3;
}

.series-category > summary strong {
  font-size: 22px;
}

.series-subcategory > summary {
  margin: 10px clamp(12px, 2vw, 18px);
  border-radius: 18px;
  background: var(--black);
  color: var(--white);
  padding: 13px 16px;
}

.series-category summary span,
.series-subcategory summary span {
  display: inline-grid;
  min-width: 38px;
  height: 28px;
  place-items: center;
  border-radius: 999px;
  background: rgba(0,0,0,.08);
  font-size: 13px;
  font-weight: 950;
}

.series-subcategory summary span {
  background: rgba(255,255,255,.16);
}

.series-items {
  display: grid;
  gap: 1px;
  background: var(--line);
}

.item-preview {
  grid-column: 1 / -1;
  display: grid;
  min-height: 220px;
  place-items: center;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.item-preview[hidden] {
  display: none;
}

.item-preview img {
  display: block;
  max-width: min(420px, 100%);
  max-height: 420px;
  border-radius: 18px;
  object-fit: contain;
  background: var(--soft);
  box-shadow: 0 18px 54px rgba(0,0,0,.12);
}

.item-preview p {
  margin: 0;
  color: var(--muted);
  font-weight: 850;
}

mark {
  border-radius: 6px;
  background: #fff0a8;
  color: inherit;
  padding: 0 2px;
}

@media (max-width: 720px) {
  .app {
    width: min(100% - 18px, 520px);
    padding-top: 10px;
  }

  .search-panel,
  .result-panel {
    border-radius: 22px;
  }

  .language-toggle {
    top: 16px;
    right: 16px;
  }

  .search-box {
    grid-template-columns: 1fr;
  }

  .search-box input,
  .search-box button {
    min-height: 56px;
    font-size: 18px;
  }

  .search-box input {
    padding: 0 18px;
  }

  .item {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 6px 10px;
  }

  .result-tabs {
    padding: 8px;
  }

  .result-tabs button {
    min-height: 38px;
  }

  .series-category > summary strong {
    font-size: 18px;
  }

  .series-subcategory > summary {
    margin: 8px;
  }

  .sku {
    grid-column: 1 / 2;
    font-size: 18px;
  }

  .location {
    grid-column: 2 / 3;
    grid-row: 1 / 2;
    justify-self: end;
  }

  .name {
    grid-column: 1 / -1;
    white-space: normal;
  }

  .series-line {
    grid-column: 1 / -1;
  }

  .price,
  .pack {
    text-align: left;
  }

  .item-preview {
    min-height: 180px;
  }

  .item-preview img {
    max-height: 320px;
  }
}