.chat-header{padding:16px;background-color:var(--primary-color);color:#fff;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.1);border-top:4px solid}.header-content{flex:1}.role-indicator{display:flex;align-items:center;gap:12px}.role-icon{width:40px;height:40px;object-fit:contain}.role-text{flex:1}.chat-title{font-size:18px;font-weight:600;margin:0 0 4px}.chat-subtitle{font-size:13px;margin:0;opacity:.9}.header-actions{display:flex;gap:8px}.header-button{background:#ffffff1a;color:#fff;border:none;padding:8px 12px;border-radius:6px;font-size:14px;transition:background .2s}.header-button:hover{background:#fff3}.header-button svg{display:block;stroke-width:2}.language-toggle{font-weight:500}.live-indicator{display:inline-block;width:8px;height:8px;background-color:#22c55e;border-radius:50%;margin-right:6px;animation:pulse 2s ease-in-out infinite}[dir=rtl] .live-indicator{margin-right:0;margin-left:6px}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.9)}}.message{margin-bottom:12px;display:flex}.user-message{justify-content:flex-end}.bot-message{justify-content:flex-start}.message-bubble{max-width:75%;padding:10px 14px;border-radius:12px;word-wrap:break-word}.user-message .message-bubble{background-color:var(--primary-color);color:#fff;border-bottom-right-radius:4px}[dir=rtl] .user-message .message-bubble{border-bottom-right-radius:12px;border-bottom-left-radius:4px}.bot-message .message-bubble{background-color:#fff;color:var(--text-primary);border:1px solid var(--border);border-bottom-left-radius:4px}[dir=rtl] .bot-message .message-bubble{border-bottom-left-radius:12px;border-bottom-right-radius:4px}.error-message .message-bubble{background-color:#fef2f2;border-color:var(--error);color:var(--error)}.message-bubble p{margin:0;line-height:1.5}.message-bubble h1,.message-bubble h2,.message-bubble h3{margin:8px 0 4px;font-size:1em;font-weight:600}.message-bubble ul,.message-bubble ol{margin:4px 0;padding-left:20px}[dir=rtl] .message-bubble ul,[dir=rtl] .message-bubble ol{padding-left:0;padding-right:20px}.message-bubble li{margin:2px 0}.message-time{display:block;font-size:10px;opacity:.6;margin-top:4px;text-align:right}[dir=rtl] .message-time{text-align:left}.human-agent-message .message-bubble{background-color:#f0f9ff;border-color:#0ea5e9;border-left:3px solid #0ea5e9}[dir=rtl] .human-agent-message .message-bubble{border-left:none;border-right:3px solid #0ea5e9}.agent-name{font-size:12px;font-weight:600;color:#0ea5e9;margin-bottom:6px;display:flex;align-items:center;gap:4px}.agent-icon{width:20px;height:20px;object-fit:contain}.sent-indicator{margin-left:4px;font-size:12px;opacity:.8;color:inherit}[dir=rtl] .sent-indicator{margin-left:0;margin-right:4px}.chat-input-form{display:flex;gap:8px;padding:16px;background-color:var(--background);border-top:1px solid var(--border)}.chat-input{flex:1;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;line-height:1.5;max-height:120px;overflow-y:auto}.chat-input:focus{outline:none;border-color:var(--primary-color)}.chat-input:disabled{background-color:var(--surface);cursor:not-allowed}.send-button{padding:10px 20px;background-color:var(--primary-color);color:#fff;border-radius:8px;font-weight:500;font-size:14px;transition:background-color .2s}.send-button:hover:not(:disabled){background-color:var(--primary-hover)}.send-button:disabled{background-color:var(--secondary-color)}.loading-indicator{display:flex;align-items:center;gap:8px;padding:10px 14px}.loading-dots{display:flex;gap:4px}.dot{width:8px;height:8px;border-radius:50%;background-color:var(--secondary-color);animation:bounce 1.4s infinite ease-in-out both}.dot:nth-child(1){animation-delay:-.32s}.dot:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0);opacity:.5}40%{transform:scale(1);opacity:1}}.loading-text{font-size:13px;color:var(--text-secondary)}.welcome-menu{padding:40px 20px;max-width:700px;margin:0 auto;animation:fadeIn .5s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.welcome-header{text-align:center;margin-bottom:40px}.welcome-header h2{font-size:28px;font-weight:700;color:var(--text-primary);margin:0 0 12px}.welcome-description{font-size:16px;color:var(--text-secondary);margin:0;line-height:1.5}.suggestions-container{margin-bottom:30px}.suggestions-title{font-size:16px;font-weight:600;color:var(--text-primary);margin:0 0 16px;padding:0 4px}.suggestions-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px}.suggestion-card{display:flex;align-items:center;gap:12px;padding:16px;background:#fff;border:1px solid #e5e7eb;border-radius:12px;cursor:pointer;transition:all .2s ease;text-align:left;font-size:14px;color:var(--text-primary);font-weight:500}[dir=rtl] .suggestion-card{text-align:right}.suggestion-card:hover{border-color:var(--primary-color);background:#f8fafc;transform:translateY(-2px);box-shadow:0 4px 12px #00000014}.suggestion-card:active{transform:translateY(0)}.suggestion-icon{font-size:20px;flex-shrink:0}.suggestion-text{flex:1;line-height:1.4}.welcome-footer{text-align:center;padding-top:20px}.welcome-hint{font-size:14px;color:var(--text-secondary);margin:0;font-style:italic}@media (max-width: 768px){.welcome-menu{padding:30px 16px}.welcome-header h2{font-size:24px}.welcome-description{font-size:15px}.suggestions-grid{grid-template-columns:1fr}}.chat-window{position:relative;width:100%;height:100vh;background-color:var(--background);display:flex;flex-direction:column;overflow:hidden}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.chat-messages{flex:1;overflow-y:auto;padding:16px;background-color:var(--surface);scroll-behavior:smooth}.chat-messages::-webkit-scrollbar{width:6px}.chat-messages::-webkit-scrollbar-track{background:transparent}.chat-messages::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.chat-messages::-webkit-scrollbar-thumb:hover{background:var(--secondary-color)}.welcome-message{text-align:center;padding:32px 16px;color:var(--text-secondary)}@media (max-width: 768px){.chat-window{width:100%;height:100vh}}.app{width:100%;height:100vh;position:relative;overflow:hidden}:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--secondary-color: #64748b;--background: #ffffff;--surface: #f8fafc;--border: #e2e8f0;--text-primary: #0f172a;--text-secondary: #475569;--error: #dc2626;--success: #16a34a;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.5;font-weight:400;color-scheme:light}[dir=rtl]{font-family:Segoe UI,Arabic UI Text,Tahoma,sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;display:flex;min-width:320px;min-height:100vh;background-color:var(--background);color:var(--text-primary)}#root{width:100%;height:100vh}button{cursor:pointer;border:none;outline:none;font-family:inherit}button:disabled{cursor:not-allowed;opacity:.6}textarea{font-family:inherit;resize:none}