.chat-btn{position:fixed;bottom:24px;left:24px;z-index:9999;width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(102,126,234,0.4);transition:transform .2s,box-shadow .2s}.chat-btn:hover{transform:scale(1.1);box-shadow:0 6px 28px rgba(102,126,234,0.55)}.chat-btn svg{width:24px;height:24px}.chat-btn .close-icon{display:none}.chat-btn.is-open .chat-icon{display:none}.chat-btn.is-open .close-icon{display:block}[dir="rtl"] .chat-btn{left:24px;right:auto}.chat-panel{position:fixed;bottom:92px;left:24px;z-index:9998;width:360px;max-height:520px;background:#fff;border-radius:16px;box-shadow:0 8px 40px rgba(0,0,0,0.18);display:none;flex-direction:column;overflow:hidden;animation:chat-slide-up .25s ease}.chat-panel.is-open{display:flex}[dir="rtl"] .chat-panel{left:24px;right:auto}@keyframes chat-slide-up{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.chat-header{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;padding:16px 20px;display:flex;align-items:center;gap:12px}.chat-header h3{margin:0;font-size:.95rem;font-weight:600;flex:1}.chat-header .chat-clear-btn{background:rgba(255,255,255,0.2);border:none;color:#fff;width:28px;height:28px;border-radius:50%;cursor:pointer;font-size:.7rem;display:flex;align-items:center;justify-content:center;transition:background .2s}.chat-header .chat-clear-btn:hover{background:rgba(255,255,255,0.35)}.chat-messages{flex:1;overflow-y:auto;padding:16px;min-height:200px;max-height:340px;background:#f8f9fe}.chat-msg{margin-bottom:12px;max-width:85%;padding:10px 14px;border-radius:14px;font-size:.85rem;line-height:1.55;word-wrap:break-word;animation:msg-in .2s ease}@keyframes msg-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.chat-msg.user{background:#667eea;color:#fff;margin-left:auto;border-bottom-right-radius:4px}.chat-msg.bot{background:#eef0ff;color:#1a1a2e;margin-right:auto;border-bottom-left-radius:4px}[dir="rtl"] .chat-msg.user{margin-left:0;margin-right:auto;border-bottom-right-radius:14px;border-bottom-left-radius:4px}[dir="rtl"] .chat-msg.bot{margin-right:0;margin-left:auto;border-bottom-left-radius:14px;border-bottom-right-radius:4px}[dir="rtl"] .chat-btn-link{margin-left:0 !important;margin-right:auto !important}.chat-typing{display:flex;gap:4px;align-items:center;padding:10px 14px;margin-bottom:12px;max-width:85%;background:#eef0ff;border-radius:14px;border-bottom-left-radius:4px;margin-right:auto}[dir="rtl"] .chat-typing{margin-right:auto;margin-left:auto;border-bottom-left-radius:14px;border-bottom-right-radius:4px}.chat-typing span{width:7px;height:7px;background:#667eea;border-radius:50%;animation:typing-dot 1.2s infinite}.chat-typing span:nth-child(2){animation-delay:.2s}.chat-typing span:nth-child(3){animation-delay:.4s}@keyframes typing-dot{0%,60%,100%{opacity:.3;transform:scale(.8)}30%{opacity:1;transform:scale(1.1)}}.chat-input-wrap{display:flex;padding:10px 12px;gap:8px;border-top:1px solid #eee;background:#fff}.chat-input-wrap input{flex:1;border:1px solid #ddd;border-radius:24px;padding:10px 14px;font-size:.85rem;outline:none;transition:border-color .2s}.chat-input-wrap input:focus{border-color:#667eea}.chat-input-wrap button{width:40px;height:40px;border-radius:50%;background:#667eea;color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s;flex-shrink:0}.chat-input-wrap button:hover{background:#5a6fd6}.chat-input-wrap button:disabled{opacity:.5;cursor:default}.chat-input-wrap button svg{width:18px;height:18px}.chat-msg-wrap{margin-bottom:12px}.chat-btn-link{display:inline-block !important;margin-top:8px !important;margin-left:auto;padding:8px 18px !important;border-radius:24px !important;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%) !important;color:#fff !important;font-size:.85rem !important;font-weight:500 !important;text-decoration:none !important;border:none !important;transition:opacity .2s !important;cursor:pointer !important}[dir="rtl"] .chat-btn-link{margin-left:0 !important;margin-right:auto !important}.chat-btn-link:hover{opacity:.85 !important;color:#fff !important}.chat-error{background:#fff0f0;color:#d33;padding:8px 14px;margin-bottom:8px;border-radius:10px;font-size:.8rem}.chat-welcome{text-align:center;color:#666;font-size:.85rem;padding:40px 16px}.chat-welcome .welcome-icon{font-size:2.5rem;margin-bottom:12px}.chat-welcome h4{margin:0 0 6px;color:#333;font-size:1rem}.chat-welcome p{margin:0;line-height:1.5}@media(max-width:480px){.chat-panel{width:calc(100vw - 32px);left:16px;bottom:84px;max-height:70vh}[dir="rtl"] .chat-panel{left:16px;right:auto}.chat-btn{left:16px}[dir="rtl"] .chat-btn{left:16px;right:auto}}