:root {
  --bg: #ffffff;
  --surface: #f5f6f8;
  --text: #1c2330;
  --muted: #5b6577;
  --border: #d6dae1;
  --accent: #2b5cab;
  --accent-contrast: #ffffff;
  --radius: 8px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161d;
    --surface: #1b212b;
    --text: #e8ebf0;
    --muted: #9aa4b5;
    --border: #2d3644;
    --accent: #6f9be0;
    --accent-contrast: #0c1118;
  }
}

/* Per-app accent; layout differences live in each app's own stylesheet. */
[data-app="scheduler"] { --accent: #1f7a5c; }
[data-app="accreditation"] { --accent: #8a3b7a; }

@media (prefers-color-scheme: dark) {
  [data-app="scheduler"] { --accent: #5cc4a0; }
  [data-app="accreditation"] { --accent: #d68ac6; }
}