:root {
  color-scheme: light;
  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Consolas", "Courier New", monospace;
  --color-bg: #f6f4ef;
  --color-surface: #ffffff;
  --color-surface-alt: #f1eee7;
  --color-ink: #1c1f23;
  --color-muted: #5b6066;
  --color-border: #d7d2c9;
  --color-accent: #1f6f5c;
  --color-accent-strong: #145443;
  --color-accent-soft: #e3f0ea;
  --color-error: #b42318;
  --color-warning: #b45309;
  --color-success: #0f6b41;
  --shadow-soft: 0 18px 40px rgba(16, 24, 16, 0.08);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 40px;
  --transition-fast: 160ms ease;
  --transition-med: 260ms ease;
}