:root{--bg: #f4f6fa;--card: #ffffff;--ink: #1e293b;--muted: #64748b;--line: #e2e8f0;--brand: #2456d6;--brand-dark: #1b44ac;--brand-soft: #e8eefc;--p: #15803d;--p-bg: #dcfce7;--a: #b91c1c;--a-bg: #fee2e2;--l: #b45309;--l-bg: #fef3c7;--m-bg: #e0e7ff;--m: #3730a3;--radius: 12px;--shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .06)}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.5 Inter,Segoe UI,system-ui,-apple-system,Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased}h1,h2,h3,p{margin:0}a{color:var(--brand);text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}.muted{color:var(--muted)}.app{display:grid;grid-template-columns:248px 1fr;min-height:100vh}.sidebar{background:#fff;border-right:1px solid var(--line);padding:20px 14px;display:flex;flex-direction:column;gap:18px;position:sticky;top:0;height:100vh}.brand{display:flex;gap:10px;align-items:center;padding:4px 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