:root{--bg: #f4f6f9;--card: #ffffff;--ink: #1c2530;--muted: #6b7684;--line: #e3e8ef;--brand: #0b5cab;--brand-dark: #084a8c;--good: #2e9e5b;--bad: #c0392b;--shadow: 0 1px 3px rgba(16, 30, 54, .08), 0 4px 16px rgba(16, 30, 54, .06);--radius: 14px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.5}.app{max-width:900px;margin:0 auto;padding:0 16px 40px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 4px}.brand{display:flex;align-items:center;gap:12px}.brand-mark{background:var(--brand);color:#fff;font-weight:800;letter-spacing:.5px;border-radius:8px;padding:6px 10px;font-size:14px}.brand-mark.big{font-size:22px;padding:10px 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