:root{
  /* LEC design tokens. Off-white canvas, white cards, near-black ink, one red accent (the icon's marker check). */
  --bg:#fafaf9; --card:#ffffff; --ink:#111113; --mute:#6b6b70; --line:#e7e7e5; --accent:#d8362b;
  --ok:#1f7a45; --bad:#b3261e;
  /* Ruled paper, like the icon: cream sheet, blue rules, red margin. */
  --paper:#fbf7ec; --rule:rgba(62,110,190,.20); --margin:rgba(216,54,43,.38);
  --font:-apple-system,"SF Pro Text","Helvetica Neue",Helvetica,sans-serif;
  --text-display:44px; --text-lede:21px; --text-body:17px; --text-small:14px;
  --radius-sm:9px; --radius-lg:14px; --space:8px;
  --shadow:0 1px 2px rgba(0,0,0,.04),0 16px 40px rgba(0,0,0,.08);
}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){
  --bg:#111113; --card:#1b1b1e; --ink:#f4f4f5; --mute:#a1a1a8; --line:#2c2c30; --accent:#f06153; --ok:#6fcf97; --bad:#f28b82;
  --paper:#141417; --rule:rgba(130,165,230,.09); --margin:rgba(240,97,83,.26);
  --shadow:0 16px 40px rgba(0,0,0,.4);
}}
:root[data-theme=dark]{--paper:#141417;--rule:rgba(130,165,230,.09);--margin:rgba(240,97,83,.26);--bg:#111113;--card:#1b1b1e;--ink:#f4f4f5;--mute:#a1a1a8;--line:#2c2c30;--accent:#f06153;--ok:#6fcf97;--bad:#f28b82}
button:not(.alt){background:var(--accent)!important;border-color:var(--accent)!important;color:#fff!important}
header img{border-radius:22%}