.math-taeni{--paper:#fffdf1;--paper-deep:#f7efd1;--ink:#473927;--pencil:#776852;--blue:#74c8eb;--blue-deep:#2b8fb8;--orange:#ffb94f;--orange-deep:#d77a2d;--green:#84cf77;--green-deep:#3e9253;--pink:#f58f9c;--red:#d95762;width:100%;min-height:100dvh;color:var(--ink);background:radial-gradient(circle at 8% 15%,#ffcd6752 0 3px,#0000 4px),radial-gradient(circle at 92% 24%,#6bc2e447 0 4px,#0000 5px),linear-gradient(135deg,#dff4ed,#fff4d9 52%,#f9e4dc);font-family:Gaegu,Apple SD Gothic Neo,Noto Sans KR,sans-serif;font-size:18px;position:relative;overflow-x:hidden}.math-taeni button,.math-taeni input{font-family:inherit}.math-taeni button,.math-taeni a{-webkit-tap-highlight-color:transparent}.math-taeni button{touch-action:manipulation}.math-taeni button:focus-visible,.math-taeni a:focus-visible,.math-taeni input:focus-visible{outline-offset:3px;outline:4px solid #2c8fb873}.taeni-topbar{z-index:40;top:max(10px, env(safe-area-inset-top));right:max(16px, 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