:root{--bg:#050914;--panel:#0a1323e0;--panel-2:#0d1b30f0;--line:#4cbdff38;--cyan:#27c7ff;--blue:#2674ff;--orange:#ff9a2f;--green:#3be58d;--red:#ff4f68;--yellow:#ffc648;--text:#f5f9ff;--muted:#9eb0c8}*{box-sizing:border-box}html,body{background:var(--bg);min-height:100%;color:var(--text);margin:0}body{background:radial-gradient(circle at 15% 5%,#2674ff2b,#0000 28%),radial-gradient(circle at 90% 0,#27c7ff1f,#0000 24%),linear-gradient(#050914 0%,#07101e 100%);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input{font:inherit}button{color:inherit}.arcade-shell{min-height:100vh;padding:20px}.arcade-inner{max-width:1540px;margin:0 auto}.topbar{grid-template-columns:minmax(250px,1fr) minmax(520px,2.25fr);gap:18px;margin-bottom:16px;display:grid}.brand-card,.status-bar,.panel,.game-card,.result-card{border:1px solid var(--line);background:linear-gradient(#0f1c31f0,#070f1df0);border-radius:18px;box-shadow:0 18px 50px #00000047,inset 0 1px 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