/* intronlp-2026 lecture-note palette (sites/intronlp-2026/src/styles/custom.css). Loaded last by the cover and every lesson;
   the engine's COL colours read these tokens. The lesson stage stays dark; the cover adds a light scheme in index.html. */
@font-face { font-family: "Space Grotesk"; src: url("/fonts/SpaceGrotesk-Variable.woff2") format("woff2-variations"); font-weight: 300 700; font-display: swap; }
:root {
  --page: #080808; --board: #0d0d0d; --panel: #161616; --edge: #2a2a2a;
  --chalk: #F0F0F0; --dim: #A0A0A0; --faint: #666666;
  --task: #F97316; --quiz: #22D3EE; --good: #34D399; --bad: #F87171;
  --accent: #3B82F6;
  --ui: "Space Grotesk", "Pretendard Variable", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  --book: var(--ui);
}