:root{--bg-color: #04164d;--wall-color: #006ada;--text-color: #ffffff;--accent-color: #dc911b;--font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif}*{box-sizing:border-box;margin:0;padding:0;touch-action:none;-webkit-user-select:none;user-select:none}body{background-color:var(--bg-color);color:var(--text-color);font-family:var(--font-family);overflow:hidden;width:100vw;height:100vh;display:flex;justify-content:center;align-items:center}#app{position:relative;width:100%;height:100%;display:flex;justify-content:center;align-items:center}canvas{background-color:#000;box-shadow:0 0 20px var(--wall-color);max-width:100%;max-height:100%}#ui-overlay{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;display:flex;justify-content:center;align-items:center;z-index:10}#splash-screen,#game-over-screen{background-color:#04164df2;padding:2rem;border-radius:1rem;text-align:center;border:2px solid var(--wall-color);display:flex;flex-direction:column;gap:1rem;pointer-events:auto;min-width:320px;max-width:90%;box-shadow:0 0 30px #006ada80}.hidden{display:none!important}.logo{max-width:180px;margin:0 auto}h1{color:var(--wall-color);text-shadow:0 0 10px var(--wall-color);font-size:2rem;text-transform:uppercase;margin-bottom:.5rem}p{font-size:1.2rem;color:var(--accent-color);margin-bottom:.5rem;text-transform:uppercase;font-weight:700;letter-spacing:1px}button{background-color:var(--wall-color);color:#fff;border:none;padding:1rem 2rem;font-size:1.2rem;border-radius:.5rem;cursor:pointer;text-transform:uppercase;font-weight:700;transition:transform .1s,box-shadow .1s;margin-bottom:1rem}button:hover{transform:scale(1.05);box-shadow:0 0 15px var(--wall-color)}button:active{transform:scale(.95)}.banner-link{text-decoration:none;margin-top:1rem;display:block}.promo-banner{background:linear-gradient(90deg,#04164d,#006ada);padding:10px;border-radius:8px;display:flex;flex-direction:column;align-items:center;border:1px solid white;transition:opacity .2s}.promo-banner:hover{opacity:.9}.promo-banner p{color:#fff;font-size:.9rem;margin:0 0 5px;text-shadow:none}.mini-logo{height:30px;width:auto}