:root{--teal-50:#ecfdff;--teal-100:#cff8fd;--teal-200:#a5eff9;--teal-300:#67e0f2;--teal-400:#22c7e0;--teal-500:#08a9c4;--teal-600:#0a869e;--teal-700:#106b80;--teal-800:#165869;--teal-900:#164a59;--primary:var(--teal-500);--primary-dark:var(--teal-700);--primary-light:var(--teal-100);--bg:#f5f7f9;--surface:#ffffff;--surface-2:#f0f3f5;--border:#e2e8ec;--text:#12232a;--text-muted:#5b7079;--text-faint:#90a2ab;--success:#1a9d6b;--warning:#d99009;--danger:#d64545;--info:var(--teal-500);--radius:10px;--radius-sm:7px;--shadow-sm:0 1px 2px rgba(16,40,48,0.06);--shadow:0 4px 16px rgba(16,40,48,0.08);--sidebar-w:232px;--sidebar-w-collapsed:68px;--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%}body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--primary-dark);text-decoration:none}h1,h2,h3,h4{margin:0 0 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