:root{--navy: #00365f;--navy-dark: #002744;--accent: #1e6fa8;--bg: #f4f6f9;--card: #ffffff;--border: #e2e8f0;--text: #1f2937;--muted: #6b7280;--ok: #16a34a;--warn: #d97706;--crit: #dc2626;--radius: 10px;--shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .04)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:var(--accent);text-decoration:none}h1,h2,h3{margin:0}.app-shell{display:flex;min-height:100vh}.sidebar{width:232px;background:var(--navy);color:#cbd5e1;display:flex;flex-direction:column;padding:16px 0;flex-shrink:0}.sidebar .brand{display:flex;align-items:center;gap:11px;padding:4px 18px 18px;color:#fff;font-weight:700;font-size:15px}.sidebar .brand img{width:34px;height:34px;flex-shrink:0;background:#fff;border-radius:8px;padding:3px}.sidebar 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