: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:#fafafa;color:#2d3436}.pattern-app{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:2rem}.pattern-app h1{margin:0 0 .5rem;font-size:2rem;font-weight:700;color:#2d3436}.info{font-size:1.25rem;margin-bottom:1.25rem;color:#636e72}.grid{display:grid;grid-template-columns:150px 150px;gap:15px;margin-bottom:1.5rem}.color-btn{width:150px;height:150px;border-radius:10px;cursor:pointer;border:3px solid #333;transition:filter .15s,box-shadow .15s}.color-btn.active{filter:brightness(1.5);box-shadow:0 0 20px #fff}.start-btn{padding:10px 25px;font-size:1rem;font-weight:600;background:#0984e3;color:#fff;border:none;border-radius:5px;cursor:pointer;transition:background .15s}.start-btn:hover{background:#0770c2}.gameover{margin-top:1rem;font-size:1.25rem;font-weight:600;color:#d63031}