:root{--brand: #009b9b;--brand-hover: #007e7e;--brand-subtle: #e3f4f4;--canvas: #f9fafb;--surface: #ffffff;--surface-muted: #f9fafb;--outline: #e5e7eb;--outline-strong: #d1d5db;--ink: #111827;--ink-secondary: #374151;--ink-muted: #6b7280;--ink-subtle: #9ca3af;--ok: #15803d;--fail: #b91c1c;--radius: 8px;--shadow-xs: 0 1px 2px 0 rgb(0 0 0 / .04);--font: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono: "IBM Plex Mono", "SF Mono", Monaco, Consolas, "Liberation Mono", "Courier New", monospace}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font);color:var(--ink);background:var(--canvas);-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;height:100%}.topbar{display:flex;align-items:center;gap:16px;height:64px;padding:0 24px;background:var(--surface);border-bottom:1px solid 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