:root{--bg-color: #050508;--text-color: #e0e0e0;--accent-color: #8ab4f8}*{box-sizing:border-box;margin:0;padding:0;-webkit-user-select:none;user-select:none}body{background-color:var(--bg-color);color:var(--text-color);font-family:Courier New,Courier,monospace;overflow:hidden;width:100vw;height:100vh}#app{position:relative;width:100%;height:100%}canvas{display:block;width:100%;height:100%}#overlay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;pointer-events:none;transition:opacity 1s ease}#overlay.hidden{opacity:0;pointer-events:none}h1{font-size:2rem;letter-spacing:.2rem;margin-bottom:2rem;text-transform:uppercase;font-weight:lighter;opacity:.8}#start-btn{pointer-events:auto;background:transparent;border:1px solid var(--accent-color);color:var(--accent-color);padding:1rem 2rem;font-family:inherit;font-size:1rem;cursor:pointer;transition:all .3s ease;text-transform:uppercase;letter-spacing:.1rem}#start-btn:hover{background:var(--accent-color);color:var(--bg-color);box-shadow:0 0 15px var(--accent-color)}.instructions{margin-top:2rem;font-size:.8rem;opacity:.5}