:root{--blue-900: #0a3d74;--blue-700: #0e63b6;--blue-500: #1b7fe0;--blue-100: #e3f0fc;--green-600: #3aa727;--green-100: #e9f7e4;--red-600: #dc2626;--red-100: #fee2e2;--amber-600: #b45309;--amber-100: #fef3c7;--bg: #f4f7fb;--text: #1e2a38;--muted: #64748b;--border: #e2e8f0;--card: #ffffff;--sidebar-w: 248px;--radius: 10px;--shadow: 0 1px 3px rgba(16, 42, 67, .08)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased}a{color:var(--blue-700);text-decoration:none}.shell{display:flex;height:100vh;overflow:hidden}.sidebar{width:var(--sidebar-w);flex-shrink:0;background:linear-gradient(180deg,var(--blue-900) 0%,#0b4f9e 100%);color:#dbe9f8;display:flex;flex-direction:column;transition:margin-left .25s ease}.sidebar.collapsed{margin-left:calc(var(--sidebar-w) * -1)}.sidebar 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