:root{--blue:#7fc3ff;--red:#ff8a7a;--panel:#12161cd1;--panel-edge:#ffffff1f;--text:#eef3f8;--muted:#9fb0c2;--maneuver:#c9a2ff;--accent:#ffc04d;color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body{-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%;touch-action:none;background:#2b2620;height:100%;margin:0;overflow:hidden}[hidden]{display:none!important}#app{position:fixed;inset:0}#app canvas{display:block}.btn{font:inherit;letter-spacing:.03em;color:var(--text);border:1px solid var(--panel-edge);cursor:pointer;touch-action:manipulation;background:#ffffff14;border-radius:12px;min-height:52px;padding:0 18px;font-weight:650;transition:background .12s,transform 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