:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#0a0a0a;color:#e0e0e0}.app{display:flex;height:100vh;overflow:hidden}.sidebar{width:300px;background:#111;border-right:1px solid #222;display:flex;flex-direction:column}.sidebar-header{padding:20px;border-bottom:1px solid #222;display:flex;justify-content:space-between;align-items:center}.sidebar-header h2{font-size:20px}.online-count{font-size:12px;color:#10b981;background:#10b9811a;padding:4px 8px;border-radius:12px}.agent-list{flex:1;overflow-y:auto}.agent-item{display:flex;gap:12px;padding:16px 20px;cursor:pointer;transition:all .2s;border-left:3px solid transparent}.agent-item:hover{background:#ffffff0d}.agent-item.active{background:#667eea1a;border-left-color:#667eea}.agent-avatar{font-size:32px;width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:#ffffff0d;border-radius:50%}.agent-avatar.large{font-size:40px;width:56px;height:56px}.agent-info{flex:1}.agent-name{font-weight:600;margin-bottom:4px}.agent-status{font-size:12px;color:#666;display:flex;align-items:center;gap:6px}.status-dot{width:8px;height:8px;background:#10b981;border-radius:50%;animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.chat-container{flex:1;display:flex;flex-direction:column;background:#0a0a0a}.chat-header{padding:20px;border-bottom:1px solid #222;background:#111}.current-agent{display:flex;gap:16px;align-items:center}.messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:16px}.message{display:flex;gap:12px;align-items:flex-end}.message.user{flex-direction:row-reverse}.message-avatar{font-size:32px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:#ffffff0d;border-radius:50%;flex-shrink:0}.message-bubble{max-width:60%;padding:12px 16px;border-radius:16px;line-height:1.5}.message.agent .message-bubble{background:#667eea33;border:1px solid rgba(102,126,234,.3);border-bottom-left-radius:4px}.message.user .message-bubble{background:#10b98133;border:1px solid rgba(16,185,129,.3);border-bottom-right-radius:4px}.input-container{padding:20px;border-top:1px solid #222;display:flex;gap:12px;background:#111}.input-container input{flex:1;padding:14px 20px;background:#ffffff0d;border:2px solid rgba(255,255,255,.1);border-radius:24px;color:#fff;font-size:14px;transition:all .3s}.input-container input:focus{outline:none;border-color:#667eea;background:#ffffff14}.input-container button{padding:14px 32px;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:24px;color:#fff;font-weight:600;cursor:pointer;transition:all .3s}.input-container button:hover{transform:translateY(-2px);box-shadow:0 4px 20px #667eea66}.input-container button:active{transform:translateY(0)}