body{background:radial-gradient(circle at 20% 20%,rgba(35,78,82,.45),transparent 28%),radial-gradient(circle at 80% 10%,rgba(97,60,16,.35),transparent 28%),linear-gradient(135deg,#12201f,#1b1714 52%,#102024);overflow:hidden;font-family:Trebuchet MS,Segoe UI,Tahoma,sans-serif;-webkit-user-select:none;user-select:none}canvas{position:absolute;top:0;left:0;width:100%;height:100%;z-index:10;pointer-events:none}body.menu-active #game-canvas{z-index:45}#video-feed{width:100%;height:100%;object-fit:cover;transform:scaleX(-1);opacity:.95;filter:brightness(.82) contrast(1.08)}#camera-preview{position:absolute;right:22px;bottom:22px;width:min(280px,34vw);aspect-ratio:16 / 10;overflow:hidden;border-radius:16px;border:3px solid rgba(125,211,252,.85);background:#020617;box-shadow:0 18px 44px #00000073,0 0 28px #22d3ee52;z-index:24;pointer-events:none}#hand-preview-canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;z-index:2}.preview-label{position:absolute;left:10px;bottom:8px;z-index:3;color:#e0f2fe;font-family:Trebuchet MS,Segoe UI,Tahoma,sans-serif;font-size:11px;font-weight:800;letter-spacing:.08em;background:#020617ad;padding:4px 7px;border-radius:7px}.game-ui{font-family:Impact,Haettenschweiler,Arial Black,Trebuchet MS,sans-serif;text-shadow:2px 2px 0 #000,-1px -1px 0 #000,1px -1px 0 #000,-1px 1px 0 #000,1px 1px 0 #000}#loading-screen{background:radial-gradient(circle,#1e1e1e,#000)}.blade-glow{filter:drop-shadow(0 0 10px cyan)}@keyframes popIn{0%{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}.pop-in{animation:popIn .3s cubic-bezier(.175,.885,.32,1.275) forwards}.virtual-hover{transform:scale(1.1);filter:brightness(1.3);box-shadow:0 0 30px #4ade80cc;border-color:#4ade80!important}.mode-btn{min-width:220px}.selected-mode{transform:scale(1.05);border-color:#bef264!important;background:#3f6212bf;box-shadow:0 0 26px #bef2648c}#timeout-msg{transition:opacity .5s}