:root{--red:#d31334;--grn:#059669;--blu:#2563eb;--pur:#7c3aed;--bg:#f5f5f4;--card:#fff;--border:#e7e5e4;--text:#1c1917;--muted:#78716c}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Plus Jakarta Sans,system-ui,-apple-system,sans-serif}button{cursor:pointer}button,input{font-family:inherit;min-height:48px;border-radius:12px}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px}