:root {
  /* Warm earth palette */
  --color-bg: #f7f3ec;
  --color-surface: #fffef9;
  --color-border: #e3dace;
  --color-border-strong: #cbbfa9;

  --color-text: #1c1510;
  --color-text-secondary: #6b5c4d;
  --color-text-muted: #9c8c7b;

  /* Harvest amber accent — WCAG AA on white */
  --color-accent: #8b5e24;
  --color-accent-hover: #7a5120;
  --color-accent-light: #fdf5e6;
  --color-accent-mid: #c4892a;

  /* Deep espresso navigation */
  --color-nav-bg: #211408;
  --color-nav-link: #7c6b58;
  --color-nav-link-hover: #ddd0bc;
  --color-nav-active: #e8bf65;

  /* Status */
  --color-success: #2c6638;
  --color-success-light: #eef7ef;
  --color-danger: #a52424;
  --color-danger-light: #fef3f3;
  --color-warning: #8a4010;
  --color-warning-light: #fef7ee;

  /* Typography */
  --font-display: "Lora", Georgia, "Times New Roman", serif;
  --font-sans: "DM Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", ui-monospace, monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;

  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.6;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.625rem;
  --space-3: 0.875rem;
  --space-4: 1.25rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 2.5rem;
  --space-10: 3rem;
  --space-12: 3.75rem;
  --space-16: 5rem;

  /* Sidebar */
  --color-sidebar-bg: #1e1108;
  --color-sidebar-border: rgba(255, 255, 255, 0.07);
  --color-sidebar-link: #7c6b58;
  --color-sidebar-link-hover: #ddd0bc;
  --color-sidebar-hover-bg: rgba(255, 255, 255, 0.05);
  --color-sidebar-active: #e8bf65;
  --color-sidebar-active-bg: rgba(232, 191, 101, 0.14);
  --color-sidebar-muted: #5c4d3e;

  /* Layout */
  --max-width: 1280px;
  --sidebar-width: 240px;

  /* Radii */
  --radius-sm: 3px;
  --radius: 6px;
  --radius-lg: 10px;
  --radius-xl: 14px;

  /* Shadows — warm-tinted */
  --shadow-sm: 0 1px 2px rgba(28, 21, 16, 0.07);
  --shadow: 0 1px 3px rgba(28, 21, 16, 0.09), 0 1px 2px rgba(28, 21, 16, 0.05);
  --shadow-md: 0 4px 12px rgba(28, 21, 16, 0.10), 0 2px 4px rgba(28, 21, 16, 0.06);
  --shadow-lg: 0 8px 24px rgba(28, 21, 16, 0.14), 0 4px 8px rgba(28, 21, 16, 0.07);

  /* Transitions */
  --transition: 150ms ease;
  --transition-slow: 250ms ease;
}