*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;background:#f4f6fb;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:#f4f6fb}.auth-card{width:100%;max-width:420px}.auth-box{position:relative;width:100%;max-width:420px}.auth-lang{position:absolute;right:0;bottom:calc(100% + 8px);z-index:10}.lang-toggle{position:relative;display:inline-flex;width:96px;height:34px;padding:3px;border:1px solid #d0d5dd;border-radius:6px;background:transparent;cursor:pointer}.lang-toggle .lang-thumb{position:absolute;top:3px;left:3px;width:calc(50% - 3px);height:26px;border-radius:4px;background:#fff;box-shadow:0 1px 2px #10182824;transition:transform .18s ease}.lang-toggle[data-lang=en] .lang-thumb{transform:translate(100%)}.lang-toggle 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