components/ChatArea.jsx

import { Brain, Code, Search, ShieldCheck } from 'lucide-react';

const AGENT_CONFIG = {
  orchestrator: { name: 'Orchestrator', icon: Brain, color: '#f472b6' },
  researcher: { name: 'Researcher', icon: Search, color: '#38bdf8' },
  coder: { name: 'Dev Agent', icon: Code, color: '#a78bfa' },
  reviewer: { name: 'Reviewer', icon: ShieldCheck, color: '#34d399' }
};

export default function ChatArea({ messages }) {
  return (
    <div className="flex-1 overflow-y-auto p-8 flex flex-col gap-6 scroll-smooth">
      {messages.map((msg, idx) => (
        <div 
          key={idx}
          className={`
            flex gap-4 max-w-[85%] animate-slide-in
            ${msg.type === 'user' ? 'self-end flex-row-reverse' : 'self-start'}
          `}
        >
          {msg.type !== 'user' && (
            <div 
              className="w-8 h-8 rounded-lg flex-shrink-0 flex items-center justify-center bg-gradient-to-br from-slate-800 to-nexus-deep border border-nexus-border text-xs"
              style={{ color: AGENT_CONFIG[msg.agent].color }}
            >
              <AGENT_CONFIG[msg.agent].icon size={16} />
            </div>
          )}
          
          <div className={`
            p-4 rounded-2xl border text-sm leading-relaxed
            ${msg.type === 'user' 
              ? 'bg-blue-500/15 border-blue-500/30 rounded-br-none' 
              : 'bg-slate-800/80 border-nexus-border rounded-bl-none'}
          `}>
            <div className="whitespace-pre-wrap">{msg.content}</div>
            
            {msg.tool && (
              <div className="mt-3 bg-black border border-nexus-border rounded-lg p-3 font-mono text-xs text-nexus-success">
                <div className="flex justify-between text-[10px] uppercase text-nexus-muted mb-2 border-b border-nexus-border pb-1">
                  <span>{msg.tool.name}</span>
                  <span>{msg.tool.status}</span>
                </div>
                <div className="overflow-x-auto">
                  {msg.tool.content}
                </div>
              </div>
            )}

            <div className="mt-2 text-[10px] text-nexus-muted flex items-center gap-1.5">
              <span>{msg.type === 'user' ? 'You' : AGENT_CONFIG[msg.agent].name}</span>
              <span>•</span>
              <span>Just now</span>
            </div>
          </div>
        </div>
      ))}
    </div>
  );
}