:root {
  color-scheme: light;
  --text: #1a1a1a;
  --muted: #5e5e5e;
  --rule: #e4e4e4;
  --line: #d4d4d4;
  --accent: #3d5470;
  --warn: #b45309;
  --warn-bg: #fff7ed;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 32px 80px;
}

h1 {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 500;
  line-height: 1.2;
}

#updated,
#note {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

#note { max-width: 40rem; }

.stale {
  max-width: 40rem;
  margin: 14px 0 0;
  padding: 10px 14px;
  border-left: 4px solid var(--warn);
  background: var(--warn-bg);
  color: var(--text);
  font-size: 0.9375rem;
}

#freshness { max-width: 40rem; }

#filters { margin: 40px 0 0; }

.filter-list {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 18px;
}

.filter { position: relative; }

.multi summary {
  display: flex;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  list-style: none;
}

.multi summary::-webkit-details-marker { display: none; }

.filter-name {
  color: var(--muted);
  font-size: 0.8125rem;
}

.filter-value {
  position: relative;
  min-height: 42px;
  padding: 8px 28px 8px 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.filter-value::after {
  content: "▾";
  position: absolute;
  top: 8px;
  right: 10px;
  color: var(--muted);
}

.multi.active .filter-value { border-color: var(--accent); }

.multi summary:focus-visible .filter-value {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.multi summary:focus { outline: none; }

.options {
  position: absolute;
  z-index: 10;
  top: calc(100% + 4px);
  left: 0;
  min-width: 100%;
  width: max-content;
  max-width: min(22rem, 90vw);
  max-height: 20rem;
  margin: 0;
  padding: 6px 0;
  overflow-y: auto;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 6px 18px rgb(0 0 0 / 12%);
}

.option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  color: var(--text);
  font-size: 0.9375rem;
  cursor: pointer;
}

.option:hover { background: #f4f4f4; }

.option input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--accent);
}

.options .empty {
  margin: 6px 12px;
  color: var(--muted);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

button {
  font: inherit;
  cursor: pointer;
}

.clear,
.pager button {
  min-height: 36px;
  padding: 6px 14px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--accent);
}

.clear { margin-top: 16px; }

.pager button:disabled {
  color: var(--muted);
  cursor: default;
  opacity: 0.5;
}

#result-count {
  margin: 32px 0 0;
  font-size: 0.9375rem;
}

.table-wrap {
  margin-top: 8px;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 16px 20px 16px 0;
  text-align: left;
  vertical-align: baseline;
  border-bottom: 1px solid var(--rule);
  font-weight: 400;
}

th {
  padding-top: 8px;
  padding-bottom: 8px;
  color: var(--muted);
  font-size: 0.8125rem;
}

.sort {
  display: inline-flex;
  gap: 4px;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font-size: inherit;
  white-space: nowrap;
}

.sort:hover,
th[aria-sort="ascending"] .sort,
th[aria-sort="descending"] .sort { color: var(--text); }

.arrow {
  min-width: 0.75em;
  font-size: 0.75em;
}

.hide-seen .seen { display: none; }

.more {
  margin-top: 4px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--muted);
  font-size: 0.8125rem;
  text-decoration: underline;
  text-underline-offset: 2px;
}

tr.open td { border-bottom-color: transparent; }

.store-row td {
  padding-top: 8px;
  padding-bottom: 8px;
  background: #fafafa;
  font-size: 0.9375rem;
}

.store-row .price { padding-left: 12px; }

.pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: 20px;
  font-size: 0.9375rem;
}

.per-page {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  color: var(--muted);
}

.per-page select {
  min-height: 36px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #fff;
  color: var(--text);
  font: inherit;
}

th,
td { white-space: nowrap; }

.price,
.seen { font-variant-numeric: tabular-nums; }

.color,
.store { white-space: normal; }

a {
  color: var(--accent);
  text-underline-offset: 2px;
}

footer {
  max-width: 40rem;
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.875rem;
}

footer p { margin: 0 0 10px; }

@media (max-width: 1000px) {
  .filter-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .page { padding: 36px 20px 64px; }
}

/* Phones: filters stack and each row becomes a card. */
@media (max-width: 640px) {
  h1 { font-size: 1.5rem; }
  .filter-list {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .options {
    position: static;
    width: auto;
    max-width: none;
    max-height: 16rem;
    box-shadow: none;
  }
  .filter:has(details[open]) { grid-column: 1 / -1; }
  .option { padding: 10px 12px; }

  .table-wrap { overflow: visible; }
  table,
  tbody,
  tr,
  td { display: block; }
  thead { display: none; }
  tr.group {
    padding: 14px 0;
    border-top: 1px solid var(--rule);
  }
  tr.open { padding-bottom: 6px; }
  td {
    display: flex;
    gap: 12px;
    padding: 2px 0;
    border: 0;
    white-space: normal;
  }
  td::before {
    content: attr(data-label);
    flex: 0 0 6.5rem;
    color: var(--muted);
    font-size: 0.8125rem;
    line-height: 1.8;
  }
  tr.group .price {
    font-size: 1.25rem;
    font-weight: 500;
  }
  tr.group .price::before,
  tr.group .model::before { content: none; }
  tr.group .model {
    margin-bottom: 4px;
    font-weight: 500;
  }
  .store-row {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0 14px;
    margin: 0 0 6px;
    padding: 8px 12px;
    background: #fafafa;
  }
  .store-row td { padding: 0; background: none; }
  .store-row td::before { content: none; }
  .store-row .price { grid-row: span 3; padding-left: 0; font-weight: 500; }
  .store-row .spacer { display: none; }
  .hide-seen .seen { display: none; }
  .per-page { margin-left: 0; }
}