:root {
  --bg: #0A0B0F;
  --bg-2: #0F1116;
  --line: #1E2230;
  --line-2: #2A2F40;
  --ink: #E6E8EF;
  --ink-2: #B4B8C5;
  --mute: #6B7080;
  --mute-2: #4A4F60;
  --green: #46E49E;
  --amber: #F2B544;
  --violet: #8B5CF6;
  --red: #E44C4C;
  --f-display: 'Space Grotesk', sans-serif;
  --f-mono: 'JetBrains Mono', monospace;
  --f-mono-2: 'IBM Plex Mono', monospace;
  --max: 1320px;
  --pad: 32px;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-mono);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--green); color: #0A0B0F; }
a { color: inherit; text-decoration: none; }

/* ===== Doc head ===== */
.doc-head {
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
  position: sticky;
  top: 0;
  background: rgba(10,11,15,0.92);
  backdrop-filter: blur(10px);
  z-index: 50;
}
.doc-head-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
  display: flex;
  align-items: center;
  gap: 24px;
}
.doc-head .word {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.04em;
  display: inline-flex;
  align-items: baseline;
}
.doc-head .word .br {
  color: var(--green);
  display: inline-block;
  transform: translateY(-2px) rotate(-3deg);
  position: relative;
}
.doc-head .word .br::before {
  content: "";
  position: absolute; left: -2px; right: -1px; top: 50%;
  height: 1px; background: var(--green);
}
.doc-head .title {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
}
.doc-head .title .acc { color: var(--green); }
.doc-toc { margin-left: auto; display: flex; gap: 18px; }
.doc-toc a {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}
.doc-toc a:hover { color: var(--green); }

/* ===== Section ===== */
.sec {
  border-bottom: 1px solid var(--line);
  padding: 72px 0;
}
.sec-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}
.sec-head {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  margin-bottom: 36px;
}
.sec-label {
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--mute);
  display: flex;
  align-items: center;
  gap: 14px;
}
.sec-label .num { color: var(--green); }
.sec-label .line { display: inline-block; width: 24px; height: 1px; background: var(--green); }
.sec-title {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 32px;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 14px 0 0;
}
.sec-lead {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.65;
  max-width: 720px;
}

/* ===== File card (showcasing file content) ===== */
.file-card {
  border: 1px solid var(--line);
  background: var(--bg-2);
  margin-bottom: 20px;
}
.file-card .hdr {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}
.file-card .hdr .name { color: var(--green); font-size: 13px; letter-spacing: 0; text-transform: none; font-family: 'IBM Plex Mono', monospace; }
.file-card .hdr .size { color: var(--mute-2); font-size: 10px; }
.file-card .hdr a.dl {
  color: var(--green);
  border: 1px solid var(--line-2);
  padding: 5px 10px;
  font-size: 10px;
  letter-spacing: 0.14em;
}
.file-card .hdr a.dl:hover { border-color: var(--green); }
.file-card .body {
  padding: 16px 20px 18px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  line-height: 1.65;
  color: var(--ink-2);
  white-space: pre;
  overflow-x: auto;
  max-height: 540px;
  overflow-y: auto;
}
.file-card .body .k { color: var(--green); }
.file-card .body .s { color: var(--amber); }
.file-card .body .b { color: var(--violet); }
.file-card .body .n { color: var(--violet); }
.file-card .body .c { color: var(--mute); }
.file-card .body .h { color: var(--ink); }

/* ===== Live grid swatches ===== */
.swatch-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 22px;
}
.sw {
  border: 1px solid var(--line-2);
  background: var(--bg-2);
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 14px;
  align-items: center;
  font-family: var(--f-mono);
  font-size: 12px;
}
.sw .chip {
  width: 36px; height: 36px;
  border: 1px solid rgba(255,255,255,0.08);
}
.sw .meta { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.sw .var {
  color: var(--green);
  font-size: 11px;
  font-family: 'IBM Plex Mono', monospace;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sw .hex { color: var(--ink-2); font-size: 10px; }

/* ===== Side-by-side panes ===== */
.panes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.pane {
  border: 1px solid var(--line);
  background: var(--bg-2);
}
.pane .hdr {
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
  display: flex;
  justify-content: space-between;
}
.pane .hdr .acc { color: var(--green); }
.pane .body {
  padding: 20px;
}
.pane .body.demo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
}
.pane .body.code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-2);
  white-space: pre;
  overflow-x: auto;
}
.pane .body.code .k { color: var(--green); }
.pane .body.code .v { color: var(--amber); }
.pane .body.code .tag { color: var(--violet); }
.pane .body.code .c { color: var(--mute); }

/* ===== Usage rules card ===== */
.rules {
  border: 1px solid var(--line);
  background: var(--bg-2);
}
.rules .item {
  display: grid;
  grid-template-columns: 36px 1fr 1fr;
  gap: 20px;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.rules .item:last-child { border-bottom: none; }
.rules .item .n {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--green);
  letter-spacing: 0.18em;
}
.rules .item h4 {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 16px;
  margin: 0 0 6px;
  color: var(--ink);
  letter-spacing: -0.015em;
}
.rules .item .why {
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--ink-2);
  line-height: 1.6;
}
.rules .item code {
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 1px 6px;
  color: var(--green);
  font-size: 11px;
}

/* ===== Inventory table ===== */
.inv {
  border: 1px solid var(--line);
  background: var(--bg-2);
  font-family: var(--f-mono);
  font-size: 12px;
}
.inv .row {
  display: grid;
  grid-template-columns: 180px 100px 1fr 1fr;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding: 12px 18px;
  gap: 14px;
}
.inv .row:last-child { border-bottom: none; }
.inv .row.head {
  background: var(--bg);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}
.inv .row .name { color: var(--green); }
.inv .row .css, .inv .row .tw { color: var(--ink-2); }
.inv .row code {
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 1px 5px;
  font-size: 11px;
  color: var(--green);
}

/* ===== Footer ===== */
.doc-foot {
  padding: 56px 0;
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mute);
}
.doc-foot .acc { color: var(--green); }
.doc-foot a {
  display: inline-block;
  margin: 0 12px;
  color: var(--mute);
}
.doc-foot a:hover { color: var(--green); }

@media (max-width: 1100px) {
  .sec-head { grid-template-columns: 1fr; gap: 16px; }
  .panes { grid-template-columns: 1fr; }
  .swatch-row { grid-template-columns: 1fr 1fr; }
  .inv .row { grid-template-columns: 1fr; gap: 4px; padding: 12px 16px; }
  .rules .item { grid-template-columns: 1fr; gap: 6px; padding: 18px; }
  .doc-toc { display: none; }
}