:root{--brand-900:#123d73;--brand-800:#1c4f8f;--brand-700:#2d68ae;--brand-300:#9fc0e8;--brand-100:#e9f2ff;--ink-900:#10253f;--ink-700:#2f4e72;--page-bg:#eff5fc;--app-shell-header-height:70px}*,:before,:after{box-sizing:border-box}html,body,#root{min-height:100%}body{color:var(--ink-900);background:radial-gradient(circle at 14% 12%, #2d68ae1f, transparent 45%), radial-gradient(circle at 88% 2%, #1c4f8f1a, transparent 34%), var(--page-bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-family:Segoe UI,-apple-system,BlinkMacSystemFont,system-ui,sans-serif}.topbar{background:linear-gradient(135deg, var(--brand-900) 0%, var(--brand-800) 45%, var(--brand-700) 100%);z-index:1000;width:100%;height:var(--app-shell-header-height);border-bottom:3px solid #12325d;justify-content:center;align-items:center;padding:0 20px;display:flex;position:sticky;top:0;left:0;right:0;box-shadow:0 4px 20px 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