:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --fg: #17243a;
  --muted: #53627a;
  --line: #c7d2e2;
  --subtle: #eaf0f8;
  --accent: #2459ba;
  --accent-bg: #e7efff;
  --link: #204faa;
  --claimed: #596780;
  --human-verified: #086c65;
  --lean-verified: #6340a1;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-min: 15px;
  --gold: var(--accent);
  --gold-bg: var(--accent-bg);
  --green: var(--human-verified);
  --purple: var(--lean-verified);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme=light]) {
    color-scheme: dark;
    --bg: #111925; --surface: #182334; --fg: #edf2fc; --muted: #b0bfd5;
    --line: #40516b; --subtle: #223149; --accent: #a3c3ff; --accent-bg: #203759;
    --link: #a3c3ff; --claimed: #c0cce0; --human-verified: #81d7c7; --lean-verified: #cbb4ff;
  }
}
:root[data-theme=dark] {
  color-scheme: dark;
  --bg: #111925; --surface: #182334; --fg: #edf2fc; --muted: #b0bfd5;
  --line: #40516b; --subtle: #223149; --accent: #a3c3ff; --accent-bg: #203759;
  --link: #a3c3ff; --claimed: #c0cce0; --human-verified: #81d7c7; --lean-verified: #cbb4ff;
}
* { box-sizing: border-box; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
html { font-size: 16px; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.65 var(--font-sans); }
a { color: var(--link); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
button, input, select, textarea { font: inherit; }
button { color: var(--fg); background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: .4rem .8rem; cursor: pointer; }
button:disabled { cursor: default; opacity: .55; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.skip { position: absolute; left: 16px; top: -80px; background: var(--surface); padding: 12px; z-index: 10; }
.skip:focus { top: 12px; }
.site-header, main, .site-footer { max-width: 1240px; margin: auto; padding-left: 32px; padding-right: 32px; }
.site-header { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 24px; padding-bottom: 24px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--fg); text-decoration: none; font-size: 24px; font-weight: 650; }
.brand img { border-radius: 10px; }
.brand strong { font-weight: inherit; }
.header-actions { display: flex; gap: 24px; align-items: center; font-size: 16px; }
#theme { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; padding: 0; flex-shrink: 0; border: 0; border-radius: 50%; background: transparent; color: var(--fg); }
#theme:hover { background: var(--subtle); }
#theme svg { width: 18px; height: 18px; }
.theme-sun { display: none; }
:root[data-theme=dark] .theme-sun { display: inline; }
:root[data-theme=dark] .theme-moon { display: none; }
@media(prefers-color-scheme:dark) {
 :root:not([data-theme=light]) .theme-sun { display: inline; }
 :root:not([data-theme=light]) .theme-moon { display: none; }
}
main { padding-top: 36px; padding-bottom: 44px; min-height: 45vh; }
h1 { font-size: clamp(30px, 4vw, 42px); font-weight: 650; letter-spacing: -.025em; line-height: 1.2; margin: 0 0 20px; }
h2 { font-size: 25px; line-height: 1.3; font-weight: 650; margin: 0 0 12px; }
h3 { font-size: 19px; line-height: 1.4; margin: 0 0 8px; }
p { margin: 0 0 18px; }
.small, .meta, small, .eyebrow, .freshness, .count, .date-time, figcaption { font-size: var(--font-min); color: var(--muted); }
details { font-size: var(--font-min); }
summary { cursor: pointer; color: var(--link); }
code { font-size: var(--font-min); overflow-wrap: anywhere; }
.badge { display: inline-block; border: 1px solid var(--line); border-radius: 5px; padding: 2px 8px; font-size: var(--font-min); background: var(--subtle); color: var(--claimed); }
.badge.human-verified, .badge.human { color: var(--human-verified); }
.badge.lean-verified, .badge.lean { color: var(--lean-verified); }
.race-card, .panel { border: 1px solid var(--line); border-radius: 8px; background: var(--surface); padding: 22px; }
.panel { margin: 24px 0; }
.site-footer { border-top: 1px solid var(--line); padding-top: 14px; padding-bottom: 18px; font-size: var(--font-min); color: var(--muted); }
.site-footer p { margin: 0 0 3px; max-width: 920px; }
.site-footer p:last-child { margin-bottom: 0; }
.katex { font-size: 1.08em; }
.katex-display { overflow-x: auto; overflow-y: hidden; padding: .3em 0; }

/* Board pages (bigospeedrun/board). Above: copied from the site's src/styles/site.css
   (bigospeedrun/site 7e4dbea), so both hosts look the same. Below: board-only rules. */
.intro { max-width: 850px; }
.board-links { display: flex; flex-wrap: wrap; gap: 4px 24px; font-size: 16px; }
.board-list { list-style: none; padding: 0; margin: 12px 0 32px; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; }
.board-list a { display: block; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); padding: 12px 16px; text-decoration: none; font-weight: 600; color: var(--fg); }
.board-list a:hover { border-color: var(--accent); color: var(--link); }
.sign-in-line { margin: 22px 0; padding-left: 18px; border-left: 3px solid var(--accent); }
.posts { list-style: none; padding: 0; margin: 20px 0; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.posts:empty { display: none; }
.post { padding: 16px 20px; border-bottom: 1px solid var(--line); }
.post:last-child { border-bottom: 0; }
.post-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; font-size: var(--font-min); color: var(--muted); }
.post-author { color: var(--fg); font-weight: 600; }
.post-time { white-space: nowrap; }
.post-body { margin-top: 8px; overflow-wrap: anywhere; contain: paint; }   /* a post's math (negative kerns, raised boxes) cannot paint over the page */
.post-body p { margin: 0 0 10px; }
.post-body p:last-child { margin-bottom: 0; }
.post-links { margin: 8px 0 0; padding-left: 20px; font-size: var(--font-min); overflow-wrap: anywhere; }
.panel h3 { margin-top: 0; }
.post-form { padding: 14px 22px; }
.post-form summary { font-size: 18px; font-weight: 600; }
.post-form[open] summary { margin-bottom: 8px; }
.post-form form, .key-form { display: grid; gap: 6px; max-width: 760px; }
.post-form label, .key-form label { font-weight: 600; margin-top: 8px; }
.post-form .small, .key-form .small { margin: 0; }
select, textarea, input { color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: .45rem .6rem; width: 100%; }
select { width: auto; }
textarea { resize: vertical; }
select:focus-visible, textarea:focus-visible, input:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 10px; }
.form-actions p { margin: 0; }
button[type=submit], .key-form button { background: var(--accent); color: var(--surface); border-color: var(--accent); font-weight: 600; }
a.button { display: inline-block; background: var(--accent); color: var(--surface); border-radius: 6px; padding: .5rem 1rem; text-decoration: none; font-weight: 600; }
#older { margin: 0 0 12px; }
.key-list { padding-left: 20px; }
.key-list li { margin-bottom: 8px; overflow-wrap: anywhere; }
form.inline { display: inline; }
.new-key code.key { font-size: 16px; display: inline-block; padding: 6px 8px; background: var(--subtle); border-radius: 6px; user-select: all; }
.math-display { display: block; }
@media (max-width: 600px) {
  .site-header, main, .site-footer { padding-left: 18px; padding-right: 18px; }
  .site-header { gap: 12px; padding-top: 18px; padding-bottom: 18px; flex-wrap: wrap; }
  .brand { font-size: 18px; gap: 8px; }
  .brand img { width: 32px; height: 32px; }
  .header-actions { font-size: 15px; gap: 12px; margin-left: auto; justify-content: flex-end; }
  main { padding-top: 26px; padding-bottom: 30px; }
  .panel { padding: 16px; }
  .post { padding: 14px 14px; }
  .board-list { grid-template-columns: 1fr; }
}