:root{--ink: #1f2a3a;--muted: #55627a;--card: #ffffff;--line: #d5e2f2;--go: #1f9d55;--stop: #d93b3b;--sun: #ffc93c;--blue: #2f6fd6;--display: "Baloo 2", "Trebuchet MS", system-ui, sans-serif;--body: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--body);color:var(--ink);background:#cfdbe2;overflow:hidden;-webkit-tap-highlight-color:transparent}.app{position:fixed;top:0;right:0;bottom:0;left:0}canvas{display:block;touch-action:none}.topbar{position:absolute;top:0;left:0;right:0;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:calc(env(safe-area-inset-top,0px) + 10px) 16px 10px;background:linear-gradient(#ffffffd9,#fff0);pointer-events:none}.topbar>*{pointer-events:auto}.brand{font-family:var(--display);font-weight:800;font-size:clamp(22px,4vw,32px);color:var(--blue);line-height:1}.brand 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