:root{--bg: #f8fafc;--panel: #ffffff;--panel2: #f1f5f9;--line: #cbd5e1;--text: #0f172a;--muted: #334155;--accent: #1d4ed8;--accent2: #1e40af;--ok: #15803d;--warn: #b45309;--danger: #b91c1c;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.app{display:flex;flex-direction:column;height:100vh}header{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;border-bottom:1px solid var(--line);background:var(--panel)}header h1{margin:0;font-size:20px;color:#0f172a}.tagline{color:var(--muted);font-size:13px;margin-left:10px;font-weight:500}.header-right{display:flex;align-items:center;gap:20px}.health{display:flex;gap:14px;font-size:12px;color:var(--muted);font-weight:500}.health .ok{color:var(--ok);font-weight:600}.health .warn{color:var(--warn);font-weight:600}.user{display:flex;align-items:center;gap:10px;font-size:13px}.user 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