:root{--bg:#f8fafc;--bg-card:#fff;--bg-sidebar:#f1f5f9;--bg-hover:#e2e8f0;--bg-input:#fff;--text:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--border:#e2e8f0;--border-strong:#cbd5e1;--accent:#6366f1;--accent-light:#e0e7ff;--accent-hover:#4f46e5;--success:#10b981;--warning:#f59e0b;--error:#ef4444;--radius:12px;--radius-sm:8px;--shadow:0 1px 3px #0000000d, 0 1px 2px #0000001a;--shadow-lg:0 10px 25px -5px #0000001a, 0 8px 10px -6px #0000001a;--shadow-xl:0 25px 50px -12px #00000026}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;overflow:hidden}html[dir=rtl],html[dir=rtl] body{font-family:Noto Naskh Arabic,Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}html[dir=rtl] .setup-card,html[dir=rtl] .setup-step,html[dir=rtl] .agent-config-header,html[dir=rtl] .agent-fields,html[dir=rtl] .sidebar,html[dir=rtl] 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h2{margin-bottom:8px;font-size:22px;font-weight:700}.empty-state>p{color:var(--text-secondary);margin-bottom:24px;font-size:14px}.example-section{margin-top:8px}.example-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px;font-size:12px;font-weight:600}.example-chips{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.example-chips button{background:var(--bg-card);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;border-radius:20px;padding:10px 16px;font-family:inherit;font-size:13px;transition:all .2s}.example-chips button:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light);transform:translateY(-1px)}.message{gap:12px;max-width:800px;animation:.3s 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