:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--surface-0:#111110;--surface-1:#1a1a19;--overlay-soft:#111110c7;--border:#2a2a28;--text-primary:#fff;--text-secondary:#c3c2b7;--text-muted:#8f8e86;--accent:#3987e5;--warn:#c98500;--panel-w:min(360px, 100vw)}*{box-sizing:border-box}html,body{height:100%}body{background:var(--surface-0);color:var(--text-primary);margin:0;font:13px/1.4 ui-sans-serif,system-ui,sans-serif;overflow:hidden}#stage{background:var(--surface-0);place-items:center;display:grid;position:fixed;inset:0}#view{touch-action:none;cursor:crosshair;width:100%;height:100%;display:block}#view.fit{width:auto;height:auto}#nogpu{max-width:36em;color:var(--text-secondary);padding:24px;font-size:15px}.menu-button{z-index:4;top:calc(12px + env(safe-area-inset-top));right:calc(12px + env(safe-area-inset-right));width:40px;height:40px;color:var(--text-primary);background:var(--overlay-soft);border:1px solid var(--border);contain:layout paint 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