:root{color-scheme:dark;--ink:#eef0e6;--muted:#a2b1ad;--gold:#d6bd83;--line:#35504c;--panel:#102823;font-family:system-ui,-apple-system,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:#0b1b19;color:var(--ink)}[hidden]{display:none!important}button,input,a{-webkit-tap-highlight-color:transparent}button,a,input{outline-offset:4px}button:focus-visible,a:focus-visible{outline:2px solid var(--gold)}button{font:inherit;cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}.auth-shell{min-height:100svh;display:grid;grid-template-columns:1.1fr 1fr}.world{position:relative;display:flex;flex-direction:column;justify-content:space-between;min-height:100svh;padding:clamp(28px,4vw,64px);isolation:isolate;background:#102925 url('/environment/loading-xianxia.webp') center/cover}.world:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,#06171460,#0b21192b 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