:root{--red:#d81e2c;--red-dark:#b8121f;--bg:#f3f4f6;--panel:#fff;--border:#e2e5ea;--text:#1f2430;--muted:#6b7280;--selected:#ffd24a}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,-apple-system,BlinkMacSystemFont,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,Helvetica,Arial,sans-serif;font-size:14px}.app{display:flex;flex-direction:column;height:100%}.topbar{background:var(--red);color:#fff;display:flex;flex:none;align-items: center;height:56px;padding:0 18px}.brand{display:flex;align-items: center;gap:10px}.logo{font-size:22px}.brand-name{letter-spacing:.3px;font-size:20px;font-weight:800}.subbar{display:flex;color:#ffffffd9;align-items: center;gap:14px;margin-left:auto;font-size:13px}.subbar b{color:#fff}.source{font-weight:600}.source-network{color:#bbf7d0}.source-cache{color:#fed7aa}.statusbar{display:flex;box-sizing:border-box;color:#fff;background:#1f2937;flex:none;align-items: 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