/* LCA·AI shared design tokens (review #15/#27). Link this instead of duplicating per page.
   Axioms: 0 border-radius, 0 shadows, 0 gradients (except the sanctioned body grid),
   achromatic graphite/paper palette + single accent. WCAG AA contrast for text tokens. */
:root {
  --paper: #F2F0EC;
  --paper-2: #EAE7E1;
  --paper-3: #E0DCD4;
  --graphite: #1C1B19;
  --graphite-mid: #6B6862;
  --graphite-low: #67635C;   /* AA on --paper */
  --line: #D5D1C8;
  --accent: #0F6B4F;
  --pos: #2F6B4F;
  --neg: #C25406;
  --warn: #B3740E;
  --e-4: #F03B0C;
  --e-ink: #7A2E10;
  --serif: "Source Serif 4", "Noto Sans SC", Georgia, serif;
  --sans: "Oswald", "Noto Sans SC", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 0px;
}
html.dark {
  --paper: #131211;
  --paper-2: #1B1A18;
  --paper-3: #232120;
  --graphite: #EDEAE4;
  --graphite-mid: #9B978F;
  --graphite-low: #8D8981;   /* AA on --paper (dark) */
  --line: #2E2C29;
  --accent: #4FB08A;
  --pos: #4FB08A;
  --neg: #FF8A50;
  --warn: #E0A33C;
  --e-4: #FF6B2C;
  --e-ink: #FF8A50;
}
body { background: var(--paper); color: var(--graphite); }