:root{--ink: #0b1420;--ink-soft: #3a4654;--muted: #6b7786;--line: #e5e8ec;--bg: #ffffff;--bg-soft: #f6f8fa;--accent: #1f6feb;--accent-ink: #0a3;--ok: #0f8a4f;--ok-bg: #e7f6ee;--bad: #c0392b;--bad-bg: #fdecea;--radius: 12px;--maxw: 1040px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{font-family:var(--font);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;line-height:1.5}.centered{display:grid;place-items:center;min-height:100vh;color:var(--muted)}.topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--line);max-width:var(--maxw);margin:0 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