:root{color-scheme:dark;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;min-height:100dvh;background:#000;color:#ccc;overflow:hidden}.game-container{position:fixed;top:0;right:0;bottom:0;left:0}.game-canvas{width:100%;height:100%;display:block;touch-action:none}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#000000d1;z-index:10}.fade-in{animation:fadeIn .6s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.overlay-box{text-align:center;max-width:420px;padding:2rem 1.5rem}.game-title{font-size:2.2rem;font-weight:300;letter-spacing:.35em;color:#64c8ff;margin-bottom:.4rem;text-shadow:0 0 40px rgba(100,200,255,.4)}.game-subtitle{font-size:.85rem;color:#64c8ff80;letter-spacing:.2em;margin-bottom:1.8rem}.game-desc{font-size:.88rem;color:#fff9;line-height:1.65;margin-bottom:.8rem}.game-warn{font-size:.78rem;color:#ff5a4699;font-style:italic;margin-bottom:2rem}.btn{background:transparent;border:1px solid rgba(100,200,255,.35);color:#64c8ff;padding:.7rem 2.8rem;font-size:.9rem;font-family:inherit;letter-spacing:.25em;cursor:pointer;transition:all .25s}.btn:hover,.btn:active{background:#64c8ff14;border-color:#64c8ffb3;box-shadow:0 0 24px #64c8ff26}.controls{margin-top:2rem;display:flex;flex-direction:column;gap:.2rem}.controls span{font-size:.68rem;color:#ffffff38;letter-spacing:.08em}