:root{--bg: #f3f5f9;--panel: #ffffff;--panel-2: #eef1f6;--border: #e1e6ee;--text: #1c2b3a;--muted: #64748b;--accent: #1c4d80;--accent-2: #2a63a0;--teal: #0f766e;--green: #16a34a;--yellow: #b45309;--red: #dc2626;--radius: 10px;--shadow: 0 1px 3px rgba(16, 24, 40, .06), 0 1px 2px rgba(16, 24, 40, .04)}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);font-size:14px}.app{display:flex;min-height:100vh}.sidebar{width:230px;flex-shrink:0;background:#16304e;color:#dfe8f4;border-right:1px solid var(--border);display:flex;flex-direction:column;padding:16px 12px;position:sticky;top:0;height:100vh}.brand{display:flex;gap:10px;align-items:center;padding:4px 8px 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