/* OpenBoulderMap wiki — same "OSM native" language as the app: cool neutral
   chrome, hairline borders, hard corners, one blue accent. Colour is reserved
   for the data (grade swatches), text stays plain ink. */

:root {
  --ink: #14222e;
  --text: #2c3c4a;
  --muted: #5f7183;
  --paper: #ffffff;
  --panel: #ecf2f7;
  --app-bg: #e0eaf1;
  --line: #ccd9e2;
  --line-strong: #a9bccb;
  --link: #1a6fa8;
  --link-bright: #135a8c;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--app-bg);
  margin: 0;
  -webkit-font-smoothing: antialiased;
  line-height: 1.65;
}

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-bright); text-decoration: underline; }

/* ---- top bar ---- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line-strong);
}

.brand {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--ink);
  white-space: nowrap;
}
.brand:hover { text-decoration: none; color: var(--ink); }
.brand span { color: var(--link); }

.topbar nav { display: flex; gap: 18px; flex-wrap: wrap; font-size: 14px; }
.topbar nav a { color: var(--muted); }
.topbar nav a:hover { color: var(--ink); text-decoration: none; }

.topbar .spacer { flex: 1; }
.topbar .app-link {
  font-size: 13px;
  padding: 5px 11px;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: var(--paper);
  white-space: nowrap;
}
.topbar .app-link:hover { background: var(--panel); text-decoration: none; }

/* ---- layout ---- */
.wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 34px 24px 80px;
}

.hero { margin-bottom: 30px; }
.hero h1 {
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 10px;
}
.hero .lede { font-size: 16px; color: var(--muted); margin: 0; max-width: 68ch; }

h2 {
  font-size: 21px;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 42px 0 12px;
  scroll-margin-top: 70px;
}
p { margin: 0 0 14px; }

ul { margin: 0 0 16px; padding-left: 22px; }
li { margin: 4px 0; }

code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--panel);
  box-shadow: inset 0 0 0 1px var(--line);
  padding: 1px 5px;
  white-space: nowrap;
}

.muted { color: var(--muted); }
.small { font-size: 13px; }

/* ---- tables ---- */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 6px 0 18px;
  font-size: 13.5px;
  background: var(--paper);
}
th, td {
  border: 1px solid var(--line);
  padding: 7px 10px;
  text-align: left;
  vertical-align: top;
}
th { background: var(--panel); color: var(--ink); font-weight: 600; }
td code { white-space: normal; }

/* ---- hierarchy / code block ---- */
pre {
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.6;
  background: #0f1c26;
  color: #d7e6f0;
  padding: 16px 18px;
  overflow-x: auto;
  border: 1px solid #0a141c;
}
pre .c { color: #7fa6bd; }
pre .k { color: #9fd0f0; }
pre .g { color: #a5d6a7; }
pre .r { color: #f0a97f; }

/* ---- callout ---- */
.note {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--link);
  padding: 12px 16px;
  margin: 0 0 18px;
  font-size: 13.5px;
}
.note strong { color: var(--ink); }

/* ---- grade swatches ---- */
.swatch {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  padding: 3px 8px;
  min-width: 42px;
  text-align: center;
}
.swatch.light { color: #14222e; }

/* ---- footer ---- */
footer {
  border-top: 1px solid var(--line-strong);
  background: var(--paper);
  padding: 22px 24px 34px;
  font-size: 12.5px;
  color: var(--muted);
}
footer .wrap { padding: 0; max-width: 860px; }
footer a { color: var(--muted); }
footer a:hover { color: var(--link); }

@media (max-width: 560px) {
  .hero h1 { font-size: 25px; }
  .wrap { padding: 26px 16px 60px; }
  .topbar { padding: 10px 16px; gap: 12px; }
}