:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100vh;background:#1a1a2e;color:#fafafa}.game-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem;background:radial-gradient(ellipse at 50% 30%,#2d2d5e,#1a1a2e)}.game-canvas{max-width:100%;height:auto;border-radius:12px;box-shadow:0 8px 32px #00000080,0 0 60px #64c8ff14;cursor:none}