:root{--color-text:#191919;--color-text-muted:#666;--color-surface:#fff;--color-surface-subtle:#fafafa;--color-border:#8a8a8a;--color-border-subtle:#ccc;--color-hover:#f4f4f4;--color-primary:#191919;--color-primary-hover:#3b3b3b;--color-on-primary:#fff;--color-accent:#2563eb;--color-error:#8c281c;--color-error-surface:#fbe8e2;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--font-size-base:1rem;--font-size-small:.875rem;--font-size-title:2rem;--font-weight-medium:500;--font-weight-bold:700;--line-height-base:1.5;--line-height-title:1.2;--radius:6px;--control-height:48px;--content-width:480px;--focus-width:2px;--focus-offset:2px;--transition-fast:.12s ease}*{box-sizing:border-box}html{color:var(--color-text);background:var(--color-surface);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}body{min-width:320px;font-size:var(--font-size-base);line-height:var(--line-height-base);margin:0}button,select{font:inherit}:where(button,select){min-height:var(--control-height);border:1px solid var(--color-border);border-radius:var(--radius);color:var(--color-text);cursor:pointer}:where(button,select):disabled{cursor:wait;opacity:.65}:where(button,select,a):focus-visible{outline:var(--focus-width) solid var(--color-accent);outline-offset:var(--focus-offset)}