:root{--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-surface:#f1f5f9;--color-surface-hover:#e2e8f0;--color-border:#cbd5e1;--color-text:#0f172a;--color-text-muted:#64748b;--color-success:#22c55e;--color-error:#dc2626;--color-warning:#eab308}*,:after,:before{box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;color:var(--color-text);background:#fff;min-height:100dvh}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit}