:root{--ut-bg:#f7f7f8;--ut-surface:#fff;--ut-surface-2:#f0f0f2;--ut-text:#18181b;--ut-muted:#6b7280;--ut-border:#e2e2e6;--ut-accent:#2563eb;--ut-accent-fg:#fff;--ut-accent-soft:rgba(37,99,235,.12);--ut-success:#16a34a;--ut-warning:#ca8a04;--ut-danger:#dc2626;--ut-radius:14px;--ut-radius-sm:8px;--ut-gap:1rem;--ut-shadow:0 1px 2px rgba(0,0,0,.06),0 8px 24px rgba(0,0,0,.06)}@media (prefers-color-scheme:dark){:root{--ut-bg:#18181b;--ut-surface:#232326;--ut-surface-2:#2b2b30;--ut-text:#e4e4e7;--ut-muted:#9a9aa2;--ut-border:#3a3a40;--ut-accent:#5b9dff;--ut-accent-fg:#0c1220;--ut-accent-soft:rgba(91,157,255,.16);--ut-success:#4ade80;--ut-warning:#facc15;--ut-danger:#f87171;--ut-shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.35)}}.ut-tool,.ut-tool *{box-sizing:border-box}.ut-tool{background:var(--ut-bg);color:var(--ut-text)}.ut-tool :focus-visible{outline:2px solid var(--ut-accent);outline-offset:2px}.ut-tool--missing{padding:1em;border:1px dashed var(--ut-danger);border-radius:var(--ut-radius-sm);color:var(--ut-danger);font-size:.9em}