*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
}

a { color: var(--accent); }

code, .mono {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
               "Liberation Mono", monospace;
  font-size: 0.92em;
}

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* ---------- header ---------- */

.top {
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 20;
}

.top .wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 56px;
  flex-wrap: wrap;
}

.brand {
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}

.brand span { color: var(--ink-dim); font-weight: 400; }

.top nav { display: flex; gap: 4px; flex-wrap: wrap; margin-left: auto; }

.top nav a {
  color: var(--ink-mid);
  text-decoration: none;
  padding: 5px 9px;
  border-radius: 6px;
  font-size: 13.5px;
  white-space: nowrap;
}

.top nav a:hover { background: var(--n2); color: var(--ink); }
.top nav a[aria-current="page"] { background: var(--accent-soft); color: var(--accent); }

button.ghost {
  font: inherit;
  font-size: 13px;
  color: var(--ink-mid);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
  min-width: 62px;
}

button.ghost:hover { background: var(--n2); color: var(--ink); }

/* ---------- landing ---------- */

.hero { padding: 44px 0 28px; }
.hero h1 { margin: 0 0 10px; font-size: 30px; letter-spacing: -0.02em; }
.hero p { margin: 0; max-width: 62ch; color: var(--ink-mid); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 14px;
  padding-bottom: 8px;
}

.card {
  display: block;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  padding: 16px 16px 14px;
  text-decoration: none;
  color: inherit;
  border-top: 3px solid var(--card-accent, var(--line-strong));
}

.card:hover { border-color: var(--line-strong); background: var(--n2); }
.card h3 { margin: 0 0 2px; font-size: 16px; letter-spacing: -0.01em; }
.card .vendor { font-size: 12px; color: var(--card-accent, var(--ink-dim)); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.card .arch { margin: 6px 0 10px; color: var(--ink-dim); font-size: 13px; }

.card dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; font-size: 13px; }
.card dt { color: var(--ink-dim); }
.card dd { margin: 0; text-align: right; }

/* ---------- section + table ---------- */

section.block { padding: 30px 0; }
section.block > h2 { margin: 0 0 4px; font-size: 20px; letter-spacing: -0.015em; }
section.block > p.lede { margin: 0 0 16px; color: var(--ink-mid); max-width: 70ch; }

.scroll-x { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }

table.matrix { border-collapse: collapse; width: 100%; font-size: 13.5px; }
table.matrix th, table.matrix td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
table.matrix thead th { position: sticky; top: 0; background: var(--panel); color: var(--ink-dim); font-weight: 600; font-size: 12.5px; z-index: 1; }
table.matrix tbody th { color: var(--ink-dim); font-weight: 500; }
table.matrix tr:last-child th, table.matrix tr:last-child td { border-bottom: 0; }
table.matrix tbody tr:hover td, table.matrix tbody tr:hover th { background: var(--n2); }

/* ---------- explorer ---------- */

.explorer { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 20px; padding: 22px 0 40px; align-items: start; }

@media (max-width: 860px) { .explorer { grid-template-columns: minmax(0, 1fr); } }

.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; font-size: 13px; margin-bottom: 12px; min-height: 24px; }
.crumbs button { font: inherit; background: none; border: 0; padding: 3px 7px; border-radius: 5px; color: var(--accent); cursor: pointer; }
.crumbs button:hover { background: var(--accent-soft); }
.crumbs button[disabled] { color: var(--ink-mid); cursor: default; }
.crumbs button[disabled]:hover { background: none; }
.crumbs .sep { color: var(--n6); }

.stage {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  padding: 14px;
}

.stage-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.stage-head h2 { margin: 0; font-size: 17px; letter-spacing: -0.01em; }
.stage-head .sub { color: var(--ink-dim); font-size: 13px; }

.grid { display: grid; gap: 8px; grid-template-columns: repeat(var(--cols, 4), minmax(0, 1fr)); }

.tile {
  position: relative;
  text-align: left;
  font: inherit;
  border: 1px solid var(--tile-ink);
  border-left-width: 3px;
  background: var(--tile-bg);
  color: var(--ink);
  border-radius: 7px;
  padding: 9px 10px;
  min-height: 62px;
  cursor: default;
  display: flex;
  flex-direction: column;
  gap: 2px;
  grid-column: span var(--span, 1);
}

.tile.has-children { cursor: pointer; }
.tile.has-children:hover, .tile:focus-visible { outline: 2px solid var(--tile-ink); outline-offset: 1px; }
.tile[aria-pressed="true"] { outline: 2px solid var(--accent); outline-offset: 1px; }

.tile .t-label { font-weight: 600; font-size: 13.5px; line-height: 1.3; }
.tile .t-note { font-size: 11.5px; color: var(--ink-dim); line-height: 1.35; }
.tile .t-count { font-size: 11px; font-weight: 700; color: var(--tile-ink); letter-spacing: 0.03em; }
.tile .t-more { position: absolute; right: 8px; bottom: 6px; font-size: 11px; color: var(--tile-ink); opacity: 0.8; }

.tile.is-off { border-style: dashed; opacity: 0.6; }
.tile.is-off .t-label { text-decoration: line-through; text-decoration-thickness: 1px; }

.tile.dense { min-height: 0; padding: 5px 6px; border-left-width: 2px; }
.tile.dense .t-label { font-size: 10.5px; font-weight: 600; }

.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 14px; font-size: 12px; color: var(--ink-dim); }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend i { width: 10px; height: 10px; border-radius: 3px; background: var(--tile-bg); border: 1px solid var(--tile-ink); border-left-width: 2px; }

.note { margin-top: 12px; font-size: 12px; color: var(--ink-dim); }

h2.section-h {
  margin: 30px 0 0;
  font-size: 17px;
  letter-spacing: -0.015em;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

/* ---------- die map ---------- */

.diemap {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  padding: 14px;
  margin: 22px 0 0;
}

.map-lede { margin: 0 0 12px; color: var(--ink-mid); font-size: 13px; max-width: 78ch; }

.filters { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }

.chip {
  font: inherit;
  font-size: 12px;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink-mid);
  cursor: pointer;
}

.chip.chip-kind { border-color: var(--tile-ink); color: var(--tile-ink); }
.chip:hover { background: var(--n2); }
.chip[aria-pressed="true"] { background: var(--tile-bg, var(--accent-soft)); color: var(--tile-ink, var(--accent)); border-color: var(--tile-ink, var(--accent)); font-weight: 600; }

.map-scroll { overflow-x: auto; padding-bottom: 4px; }

.diegrid {
  display: grid;
  grid-template-columns: repeat(var(--cols), minmax(var(--cell), 1fr));
  grid-auto-rows: var(--cellh);
  gap: 2px;
  min-width: calc(var(--cols) * var(--cell));
}

.dtile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  border: 1px solid var(--tile-ink);
  background: var(--tile-bg);
  color: var(--ink);
  border-radius: 3px;
  padding: 2px 3px;
  overflow: hidden;
  font: inherit;
  text-align: center;
  transition: filter 0.12s, opacity 0.12s;
}

.dtile.opens { cursor: pointer; border-width: 2px; }
.dtile.opens:hover, .dtile.opens:focus-visible { filter: brightness(1.08); outline: 2px solid var(--tile-ink); outline-offset: 1px; }
.dtile.dimmed { opacity: 0.18; }

.dtile .d-label { font-size: 10.5px; font-weight: 700; line-height: 1.15; white-space: nowrap; }
.dtile .d-sub { font-size: 8.5px; color: var(--ink-dim); line-height: 1.15; white-space: nowrap; }

.map-tip {
  margin-top: 12px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
  font-size: 13px;
  min-height: 62px;
}

.map-tip strong { font-size: 14px; }
.map-tip .t-kind { color: var(--ink-dim); font-size: 12px; }
.map-tip .t-idle { color: var(--ink-dim); font-size: 12.5px; }
.map-tip .t-open { color: var(--accent); font-size: 12px; }
.map-tip p { margin: 5px 0 0; color: var(--ink-mid); font-size: 12.5px; max-width: 80ch; }
.map-tip dl { margin: 6px 0 0; display: grid; grid-template-columns: auto 1fr; gap: 2px 12px; font-size: 12.5px; max-width: 420px; }
.map-tip dt { color: var(--ink-dim); }
.map-tip dd { margin: 0; text-align: right; }

/* ---------- detail panel ---------- */

.panel { border: 1px solid var(--line); border-radius: 10px; background: var(--panel); padding: 14px; position: sticky; top: 74px; }
@media (max-width: 860px) { .panel { position: static; } }

.panel h3 { margin: 0 0 2px; font-size: 15px; }
.panel .kind { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 700; color: var(--tile-ink, var(--ink-dim)); }
.panel p { margin: 8px 0 0; font-size: 13px; color: var(--ink-mid); }

.panel dl { margin: 12px 0 0; display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; font-size: 13px; border-top: 1px solid var(--line); padding-top: 10px; }
.panel dt { color: var(--ink-dim); }
.panel dd { margin: 0; text-align: right; }

.panel .enter { margin-top: 12px; width: 100%; }

/* ---------- SKU headline ---------- */

.sku-head { padding: 26px 0 4px; }
.sku-head h1 { margin: 0 0 8px; font-size: 26px; letter-spacing: -0.02em; }
.sku-head p { margin: 0; color: var(--ink-mid); max-width: 72ch; }

dl.spec-grid {
  margin: 16px 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  overflow: hidden;
  font-size: 13px;
}

dl.spec-grid > div { border-top: 1px solid var(--line); padding: 8px 12px 9px; }
dl.spec-grid > div:nth-child(-n + 1) { border-top: 0; }
dl.spec-grid dt { color: var(--ink-dim); font-size: 12px; }
dl.spec-grid dd { margin: 2px 0 0; font-weight: 600; }

.sources { padding: 0 0 40px; font-size: 12.5px; color: var(--ink-dim); }
.sources h2 { font-size: 14px; color: var(--ink); margin: 0 0 6px; }
.sources ul { margin: 0; padding-left: 18px; }
.sources li { margin: 2px 0; }

footer.foot { border-top: 1px solid var(--line); padding: 18px 0 34px; color: var(--ink-dim); font-size: 12.5px; }
footer.foot p { margin: 0 0 4px; }