:root{--color-bg:#fff;--color-fg:#1a1a1a;--color-muted:#5c5c5c;--color-accent:#8a3b12;--color-border:#d6d6d6;--font-body:system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-size-base:1rem;--space-1:.25rem;--space-2:.5rem;--space-3:1rem;--space-4:2rem;--radius:.5rem;--card-width:32rem}@media (prefers-color-scheme:dark){:root{--color-bg:#141414;--color-fg:#f0f0f0;--color-muted:#a8a8a8;--color-accent:#e08a5a;--color-border:#3a3a3a}}body{padding:var(--space-3);background:var(--color-bg);color:var(--color-fg);font:var(--font-size-base) / 1.5 var(--font-body);margin:0}