:root {
  /* Align with web UI light theme (html.light in global.css) */
  --ink: #18181b;
  --muted: #52525b;
  --muted-2: #a1a1aa;
  --surface: #fafafb;
  --surface-2: #f4f4f5;
  --panel: #ffffff;
  --accent: #7b61ff;
  --accent-strong: #4f46e5;
  --accent-soft: #eef0ff;
  --line: #e5e5e8;
  --line-soft: #d4d4d8;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(16, 24, 40, 0.08);

  --font-display: "Noto Serif SC", "Source Serif 4", Georgia, serif;
  --font-body: "Inter", "Noto Sans SC", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 6rem;

  --radius: 0;
  --max: 1280px;
  --header-h: 3.5rem;
}