:root{--color-primary: #2563eb;--color-accent: #38bdf8;--color-background: #f4f6f8;--color-surface: #ffffff;--color-text: #101828;--color-muted: #475467;--color-border: #d0d5dd;--color-brand-start: #0f172a;--color-brand-end: #1d4ed8}*{box-sizing:border-box}body{margin:0;background:var(--color-background);color:var(--color-text)}