:root{--bg:#f4f5f7;--panel:#fff;--border:#d4d7dd;--text:#1d2330;--muted:#6b7280;--accent:#1f6feb;--canvas-bg:#9aa1ab;--tap:36px;color:var(--text);font:14px/1.4 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (pointer:coarse){:root{--tap:44px}}*{box-sizing:border-box}html,body{height:100%;margin:0}.work{flex:1;min-height:0;display:flex;position:relative}body{background:var(--bg);flex-direction:column;display:flex;overflow:hidden}[hidden]{display:none!important}.toolbar{background:var(--panel);border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:8px;padding:8px;display:flex}.group{align-items:center;gap:4px;display:inline-flex}button,.btn,select,input{min-height:var(--tap);min-width:var(--tap);font:inherit;color:inherit;background:var(--panel);border:1px solid var(--border);border-radius:6px;padding:0 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