:root{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#101820;background:#f5f6f8}body{margin:0}button,input{font:inherit}button{background:#111827;color:#fff;border:0;border-radius:8px;padding:.55rem .8rem;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.65}input{border:1px solid #c7ccd2;border-radius:8px;padding:.55rem .65rem;font-size:1rem}.surface{background:#fff;border-radius:12px;padding:1rem}.muted{color:#5f6974}.secondary-button{background:#d7dde4;color:#101820}.monospace{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace}