:root{--bg: #f4f6f9;--panel: #ffffff;--ink: #16202c;--muted: #64748b;--line: #e2e8f0;--brand: #1f5eff;--brand-dark: #1746c4;--nav: #101a2b;--nav-ink: #9fb0c9;--good: #0f9d58;--warn: #d97706;--bad: #dc2626;--radius: 10px;--shadow: 0 1px 2px rgba(16, 26, 43, .06), 0 8px 24px rgba(16, 26, 43, .06)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font:14px/1.45 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}a{color:var(--brand);text-decoration:none}h1,h2,h3{margin:0;font-weight:650;letter-spacing:-.01em}h1{font-size:20px}h2{font-size:16px}h3{font-size:14px}.shell{display:grid;grid-template-columns:232px 1fr;height:100%}.sidebar{background:var(--nav);color:var(--nav-ink);display:flex;flex-direction:column;overflow-y:auto;padding-bottom:12px}.brand{padding:18px 18px 14px;color:#fff;font-weight:700;font-size:16px;letter-spacing:.3px}.brand 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