*{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #4f46e5;--color-primary-dark: #4338ca;--color-text: #111827;--color-text-muted: #6b7280;--color-border: #e5e7eb;--color-bg: #f9fafb;--color-white: #ffffff;--color-error: #dc2626;--color-success: #16a34a;--radius: .5rem;font-family:system-ui,-apple-system,sans-serif}body{background:var(--color-bg);color:var(--color-text);line-height:1.5}a{color:var(--color-primary);text-decoration:none}button{cursor:pointer}