:root{--bg:#03101a;--panel:rgba(5,16,28,.82);--panel2:rgba(7,21,36,.92);--line:rgba(81,205,255,.22);--cyan:#17dcff;--cyan2:#268dff;--violet:#c05cff;--red:#ff5367;--green:#1de0ad;--text:#f3fbff;--muted:#95adbf}button{font:inherit}.gb-root{margin:0;width:100%;min-height:100vh;background:#020a12;color:var(--text);font-family:Inter,Pretendard,Noto Sans KR,Arial,sans-serif;overflow:hidden;position:relative;word-break:keep-all;overflow-wrap:break-word}.game-bg{z-index:0;background-image:radial-gradient(circle at 30% 20%,#123049,transparent 60%),radial-gradient(circle at 80% 80%,#2a1240,transparent 55%),linear-gradient(160deg,#03101a,#020a12);transform:scale(1.035);animation:bgBreath 8s ease-in-out infinite alternate;will-change:transform}.game-bg,.game-bg:after{position:absolute;inset:0}.game-bg:after{content:"";background:radial-gradient(circle at 50% 62%,rgba(16,178,255,.08),transparent 36%),linear-gradient(180deg,rgba(1,8,16,.35),rgba(1,8,16,.18) 35%,rgba(1,8,16,.56))}@keyframes 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