:root{--blue-50: #eff6ff;--blue-100: #dbeafe;--blue-200: #bfdbfe;--blue-500: #3b82f6;--blue-600: #2563eb;--blue-700: #1d4ed8;--blue-800: #1e40af;--blue-900: #1e3a8a;--ink: #0f172a;--slate: #475569;--muted: #94a3b8;--line: #e2e8f0;--bg: #f8fafc;--card: #ffffff;--ok: #16a34a;--ok-bg: #dcfce7;--warn: #d97706;--warn-bg: #fef3c7;--error: #dc2626;--error-bg: #fee2e2;--radius: 12px;--shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 1px 2px rgba(15, 23, 42, .04)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;height:100vh}.topbar{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;column-gap:16px;row-gap:8px;padding:8px 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