:root{
  /* Brand — kept exact so existing chart colors (js/charts.js) stay in sync */
  --purple:#4B0082;
  --purple-dark:#2E0152;
  --purple-deep:#1C0133;
  --purple-light:#7b3fb3;
  --purple-tint:#8f5bc9;

  --accent:#C6A15B;        /* restrained gold accent, used sparingly */
  --accent-soft:#f6eeda;

  --lavender:#e7defa;
  --lavender-soft:#f3f0fb;

  --white:#ffffff;
  --surface:#f6f5fb;       /* app background */
  --surface-raised:#fbfaff;

  --border:#e5e1f0;
  --border-strong:#d6cfe8;

  --text:#1c1530;
  --text-soft:#645d78;
  --text-faint:#938ca8;

  --success:#157a4a;
  --success-bg:#e6f6ee;
  --warn:#a3620a;
  --warn-bg:#fdf1de;
  --danger:#b3261e;
  --danger-bg:#fdecea;
  --info:#2f5fb0;
  --info-bg:#eaf1fc;

  --radius-lg:18px;
  --radius:12px;
  --radius-sm:8px;
  --radius-pill:999px;

  --shadow-sm:0 1px 2px rgba(28,1,51,.06);
  --shadow:0 8px 24px -10px rgba(46,1,82,.18);
  --shadow-lg:0 20px 48px -16px rgba(28,1,51,.28);

  --gradient:linear-gradient(135deg,var(--purple) 0%,var(--purple-light) 100%);
  --gradient-sidebar:linear-gradient(195deg,var(--purple-deep) 0%,var(--purple-dark) 55%,var(--purple) 100%);

  --font:'Inter',system-ui,-apple-system,Segoe UI,sans-serif;

  --ease:cubic-bezier(.4,0,.2,1);
}