/* Larkbench — deliberately plain, tool-shaped. System fonts only: no webfont
   request, nothing to fingerprint, instant first paint. */

:root {
  --bg: #f7f8f8;
  --panel: #ffffff;
  --panel-2: #f1f3f4;
  --ink: #16191d;
  --ink-2: #565d66;
  --ink-3: #858d97;
  --line: #dfe3e7;
  --line-2: #eceff1;
  --accent: #2f6f5e;
  --accent-ink: #ffffff;
  --accent-soft: #e6f0ec;
  --warn: #8a5a12;
  --warn-soft: #fdf3e0;
  --danger: #a03434;
  --danger-soft: #fbeceb;
  --radius: 6px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a;
    --panel: #1b1f23;
    --panel-2: #22272c;
    --ink: #e6e9ec;
    --ink-2: #a8b1ba;
    --ink-3: #79838d;
    --line: #2c333a;
    --line-2: #242a30;
    --accent: #6fbfa4;
    --accent-ink: #10221c;
    --accent-soft: #1e2f2a;
    --warn: #d9ab61;
    --warn-soft: #2b2416;
    --danger: #e08b86;
    --danger-soft: #2e1d1c;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.6 var(--sans);
}

a { color: var(--accent); }
a:hover { text-decoration: none; }

code, kbd, pre, .mono { font-family: var(--mono); }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 720px; }

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

header.site {
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
header.site .wrap {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 56px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  font-size: 16px;
}
.brand .mark {
  font-family: var(--mono);
  color: var(--accent);
  font-weight: 700;
}
.brand .sub { font: 400 12px/1 var(--mono); color: var(--ink-3); }
nav.site { margin-left: auto; display: flex; gap: 18px; font-size: 14px; }
nav.site a { color: var(--ink-2); text-decoration: none; }
nav.site a:hover, nav.site a[aria-current] { color: var(--ink); }

/* hero -------------------------------------------------------------------- */

.hero { padding: 40px 0 26px; }
.hero h1 {
  margin: 0 0 10px;
  font-size: 30px;
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 650;
}
.hero p { margin: 0; color: var(--ink-2); max-width: 62ch; }
.hero .privacy-note {
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  padding: 6px 11px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
}

/* drop zone --------------------------------------------------------------- */

.drop {
  border: 1.5px dashed var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 34px 20px;
  text-align: center;
  transition: border-color .12s, background .12s;
}
.drop.over { border-color: var(--accent); background: var(--accent-soft); }
.drop h2 { margin: 0 0 6px; font-size: 16px; font-weight: 600; }
.drop p { margin: 0 0 14px; color: var(--ink-2); font-size: 14px; }
.drop .formats { font: 12px/1.5 var(--mono); color: var(--ink-3); margin-top: 12px; }

/* buttons ----------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font: 500 14px/1 var(--sans);
  padding: 9px 15px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
}
.btn:hover { border-color: var(--ink-3); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.06); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-row { display: flex; gap: 9px; flex-wrap: wrap; }

/* panels ------------------------------------------------------------------ */

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin: 18px 0;
}
.panel > h2 {
  margin: 0;
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line-2);
}
.panel > .body { padding: 16px; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 760px) { .grid2 { grid-template-columns: 1fr; } }

/* detection banner -------------------------------------------------------- */

.detect {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  flex-wrap: wrap;
  padding: 13px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel-2);
  font-size: 14px;
}
.detect .tag {
  font: 600 12px/1 var(--mono);
  padding: 5px 8px;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent);
  white-space: nowrap;
}
.detect .why { color: var(--ink-2); font-size: 13px; }

.notice { padding: 11px 14px; border-radius: var(--radius); font-size: 14px; margin: 12px 0; }
.notice.warn { background: var(--warn-soft); color: var(--warn); border: 1px solid color-mix(in srgb, var(--warn) 30%, transparent); }
.notice.err { background: var(--danger-soft); color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent); }

/* fields ------------------------------------------------------------------ */

.field { margin-bottom: 14px; }
.field label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  font: 600 12px/1.4 var(--mono);
  color: var(--ink-2);
  margin-bottom: 5px;
}
.field label .count { font-weight: 400; color: var(--ink-3); font-size: 11px; }
.field input, .field textarea {
  width: 100%;
  font: 14px/1.55 var(--sans);
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 8px 10px;
  resize: vertical;
}
.field textarea { min-height: 74px; font-family: var(--mono); font-size: 13px; }
.field input:focus, .field textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent); outline-offset: -1px; border-color: var(--accent); }

/* stats ------------------------------------------------------------------- */

table.stats { width: 100%; border-collapse: collapse; font-size: 13px; }
table.stats th, table.stats td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--line-2); }
table.stats th { font: 600 11px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--ink-3); }
table.stats td.num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
table.stats tr.total td { font-weight: 650; border-top: 1px solid var(--line); }
table.stats tr.muted td { color: var(--ink-3); }

.kpis { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.kpi { flex: 1 1 150px; background: var(--panel-2); border-radius: var(--radius); padding: 12px 14px; }
.kpi .v { font: 650 22px/1.1 var(--mono); font-variant-numeric: tabular-nums; }
.kpi .k { font-size: 12px; color: var(--ink-2); margin-top: 4px; }
.kpi .hint { font-size: 11px; color: var(--ink-3); margin-top: 3px; }

/* worldbook --------------------------------------------------------------- */

.entry { border: 1px solid var(--line-2); border-radius: 5px; margin-bottom: 9px; background: var(--bg); }
.entry summary { cursor: pointer; padding: 9px 12px; font-size: 13px; display: flex; gap: 9px; align-items: center; flex-wrap: wrap; }
.entry summary::-webkit-details-marker { display: none; }
.entry summary .nm { font-weight: 600; }
.entry summary .keys { font: 12px/1 var(--mono); color: var(--ink-2); }
.entry summary .pill { font: 600 10px/1 var(--mono); padding: 3px 6px; border-radius: 3px; text-transform: uppercase; letter-spacing: .04em; }
.pill.on { background: var(--accent-soft); color: var(--accent); }
.pill.off { background: var(--panel-2); color: var(--ink-3); }
.pill.const { background: var(--warn-soft); color: var(--warn); }
.entry .content { padding: 0 12px 12px; font: 13px/1.6 var(--mono); white-space: pre-wrap; word-break: break-word; color: var(--ink-2); }

pre.raw {
  margin: 0;
  padding: 14px;
  background: var(--panel-2);
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 12.5px;
  line-height: 1.55;
  max-height: 420px;
}

/* prose pages ------------------------------------------------------------- */

.prose { padding: 34px 0 60px; }
.prose h1 { font-size: 26px; letter-spacing: -0.02em; margin: 0 0 6px; }
.prose .updated { color: var(--ink-3); font-size: 13px; margin: 0 0 26px; font-family: var(--mono); }
.prose h2 { font-size: 17px; margin: 30px 0 8px; }
.prose p, .prose li { color: var(--ink-2); }
.prose li { margin-bottom: 6px; }
.prose strong { color: var(--ink); }

footer.site {
  border-top: 1px solid var(--line);
  margin-top: 50px;
  padding: 22px 0 40px;
  font-size: 13px;
  color: var(--ink-3);
}
footer.site .wrap { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
footer.site a { color: var(--ink-2); text-decoration: none; }
footer.site a:hover { color: var(--ink); }
footer.site .spacer { margin-left: auto; }

.hidden { display: none !important; }

/* Small explanatory text under a panel. These were inline `style` attributes
   until 2026-08-18; the site's own CSP (`style-src 'self'`, no unsafe-inline)
   blocked every one of them in production while the un-CSP'd local preview
   looked fine. Keep styling in this file — do not reintroduce style="…". */
.fineprint { margin: 12px 0 0; font-size: 12.5px; color: var(--ink-3); }
.book-meta { margin: 0 0 12px; font-size: 12.5px; color: var(--ink-2); }
.stack { margin-top: 12px; }
.stack-lg { margin-top: 14px; }

/* Account pages ----------------------------------------------------------- */

.notice.info {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
}
.prose form.panel { margin: 20px 0; }
.prose .panel h2 { margin: 0; padding: 12px 16px; font-size: 13px; font-weight: 600;
  letter-spacing: .04em; text-transform: uppercase; color: var(--ink-2);
  border-bottom: 1px solid var(--line-2); }
.prose .panel .body > p:first-child { margin-top: 0; }
.prose .field label { text-transform: none; letter-spacing: 0; }