:root{--bg:#f6f6f4;--surface:#fff;--surface-2:#f0f0ed;--border:#e5e5e1;--border-strong:#d3d3ce;--text:#17171a;--text-2:#55555c;--text-3:#9b9ba3;--accent:#2f6bed;--accent-weak:#e9f0fe;--accent-ring:#2f6bed59;--ok:#1f9d55;--warn:#c77700;--err:#d93a3a;--key:#fff;--key-edge:#e3e3df;--key-shadow:#d9d9d4;--primary:#17171a;--primary-text:#fff;--shadow-lg:0 24px 64px -16px #14141e38, 0 2px 6px #14141e0f;--radius:10px;--font:-apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", system-ui, sans-serif;--mono:ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;--fs-2xs:10.5px;--fs-xs:11.5px;--fs-sm:12.5px;--fs-md:13px;--fs-base:14px;--fs-lg:15px;--fs-xl:19px;--fs-2xl:22px;--fs-3xl:28px;--layer-1:#0d9488;--layer-2:#7c3aed;--layer-3:#d97706;--layer-4:#db2777;--layer-5:#2563eb;--layer-6:#16a34a;--layer-7:#dc2626;--layer-8:#0891b2;--lightningcss-light:initial;--lightningcss-dark: 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0;border:0;border-radius:9px;flex-direction:column;align-items:flex-start;gap:1px;min-width:92px;padding:5px 12px 6px;transition:background .12s;display:flex}.layer-tab:hover{background:color-mix(in srgb, var(--surface) 60%, transparent)}.layer-tab.is-on{background:var(--surface);box-shadow:0 1px 2px #00000014, 0 0 0 1px var(--border)}.layer-tab:focus-visible{outline:2px solid var(--accent-ring);outline-offset:1px}.layer-tab__name{font-size:var(--fs-md);color:var(--text-2);align-items:center;gap:6px;font-weight:600;display:flex}.layer-tab.is-on .layer-tab__name{color:var(--text)}.layer-tab__dot{background:var(--layer);border-radius:50%;flex:none;width:8px;height:8px}.layer-tab__changed{background:var(--warn);border-radius:50%;width:6px;height:6px}.layer-tab__how{color:var(--text-3);font-size:var(--fs-xs);white-space:nowrap;align-items:center;gap:4px;padding-left:14px;display:flex}.layer-tab__how kbd,.canvas__caption kbd{border:1px solid 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