:root{--p0: #35c1ff;--p1: #ff6a3c}*{box-sizing:border-box}html,body{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background:#04060d;color:#e7f0ff;font-family:Segoe UI,system-ui,-apple-system,sans-serif;-webkit-user-select:none;user-select:none}#game{position:fixed;top:0;right:0;bottom:0;left:0}#view{display:block;width:100%;height:100%}#hud{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;pointer-events:none}.hud-half{position:relative;flex:1 1 50%;height:100%;overflow:hidden}.hud-half#hud-p0{border-right:2px solid rgba(255,255,255,.18)}#banner{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;background:radial-gradient(ellipse at center,#0408148c,#02040ae0);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:10;transition:opacity .25s ease}#banner.hidden{opacity:0;pointer-events:none}#banner h1{margin:0;font-size:clamp(34px,7vw,78px);letter-spacing:.14em;font-weight:800;background:linear-gradient(90deg,var(--p0),#b388ff,var(--p1));-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 0 36px rgba(120,160,255,.25)}#banner-sub{margin:0;font-size:clamp(14px,2.4vw,22px);color:#9fb4d8;letter-spacing:.18em}#banner-help{margin-top:18px;font-size:clamp(12px,1.8vw,16px);line-height:1.7;color:#cdd9f0}#banner-help .dim{color:#7e8db0}#banner-help .press{margin-top:14px;font-size:clamp(14px,2vw,18px);color:#fff;animation:pulse 1.3s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.55}50%{opacity:1}}