*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}body{color:#ccc;background:#111;flex-direction:column;align-items:center;gap:.75rem;padding:1rem;font-family:system-ui,sans-serif;display:flex}h1{color:#eee;font-size:1.2rem}#game-container{background:#000;border:1px solid #333;border-radius:8px;width:100%;max-height:100%;position:relative;overflow:hidden}#game-container canvas{display:block;position:absolute;top:0;left:0;width:100%!important;height:100%!important}.back-link{color:#888;align-self:flex-start;font-size:.85rem;text-decoration:none}.back-link:hover{color:#fff}.controls{flex-wrap:wrap;justify-content:center;gap:.5rem;display:flex}.controls kbd{color:#fff;background:#222;border:1px solid #444;border-radius:4px;padding:2px 8px;font-size:.85rem}.controls span{font-size:.85rem}