:root{--bg: #0e0b14;--bg-2: #16111f;--ink: #f4ecdf;--muted: #9a8fa8;--accent: #ff7a4d;--accent-soft: #ffb088;--target: #5ee0c4;--line: #2a2336;--win: #5ee0c4;--lose: #ff5d73;--disc: #241c33;--disc-edge: #3a2f4f}*{box-sizing:border-box;margin:0;padding:0}body{background:radial-gradient(1200px 600px at 50% -10%,#251a33 0%,transparent 60%),radial-gradient(800px 500px at 90% 110%,#1a2a2a 0%,transparent 55%),var(--bg);color:var(--ink);font-family:Space Mono,monospace;min-height:100vh;-webkit-font-smoothing:antialiased}.shell{max-width:460px;margin:0 auto;padding:28px 20px 60px;display:flex;flex-direction:column;gap:22px}.masthead{text-align:center;position:relative}.help-btn{position:absolute;top:0;right:0;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);background:var(--bg-2);color:var(--muted);font-family:Fraunces,serif;font-size:16px;font-weight:600;cursor:pointer;transition:all 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