:root{--chat-primary: #1a56db;--chat-primary-dark: #1048c0;--chat-primary-light: #e8f0fe;--chat-bg: #ffffff;--chat-surface: #f8faff;--chat-border: #e2e8f0;--chat-text: #1a202c;--chat-text-muted: #64748b;--chat-user-bg: #1a56db;--chat-user-text: #ffffff;--chat-bot-bg: #f1f5f9;--chat-bot-text: #1a202c;--chat-shadow: 0 20px 60px rgba(0,0,0,.15), 0 4px 20px rgba(0,0,0,.1);--chat-radius: 16px;--chat-btn-size: 60px;--chat-width: 370px;--chat-height: 500px}#ai-chat-toggle{position:fixed;bottom:24px;left:24px;width:var(--chat-btn-size);height:var(--chat-btn-size);border-radius:50%;background:linear-gradient(135deg,var(--chat-primary),var(--chat-primary-dark));color:#fff;border:none;cursor:pointer;box-shadow:0 4px 20px #1a56db66;display:flex;align-items:center;justify-content:center;font-size:24px;z-index:9998;transition:transform .3s ease,box-shadow .3s ease;animation:ai-pulse 2.5s infinite}#ai-chat-toggle:hover{transform:scale(1.1);box-shadow:0 6px 28px #1a56db80;animation:none}#ai-chat-toggle .ai-badge{position:absolute;top:-4px;right:-4px;background:#ef4444;color:#fff;border-radius:50%;width:18px;height:18px;font-size:10px;display:flex;align-items:center;justify-content:center;border:2px solid white;font-family:Tahoma,sans-serif}@keyframes ai-pulse{0%{box-shadow:0 4px 20px #1a56db66}50%{box-shadow:0 4px 30px #1a56dbb3}to{box-shadow:0 4px 20px #1a56db66}}#ai-chat-window{position:fixed;bottom:96px;left:24px;width:var(--chat-width);height:var(--chat-height);background:var(--chat-bg);border-radius:var(--chat-radius);box-shadow:var(--chat-shadow);display:flex;flex-direction:column;z-index:9999;direction:rtl;font-family:Vazirmatn,Tahoma,Arial,sans-serif;overflow:hidden;border:1px solid var(--chat-border);transform:scale(.85) translateY(30px);opacity:0;pointer-events:none;transform-origin:bottom left;transition:transform .3s cubic-bezier(.34,1.56,.64,1),opacity .25s ease}#ai-chat-window.ai-open{transform:scale(1) translateY(0);opacity:1;pointer-events:all}#ai-chat-header{background:linear-gradient(135deg,var(--chat-primary) 0%,var(--chat-primary-dark) 100%);color:#fff;padding:14px 16px;display:flex;align-items:center;gap:10px;flex-shrink:0}.ai-header-avatar{width:40px;height:40px;border-radius:50%;background:#fff3;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}.ai-header-info{flex:1}.ai-header-title{font-size:14px;font-weight:700;margin:0}.ai-header-status{font-size:11px;opacity:.85;display:flex;align-items:center;gap:4px;margin-top:2px}.ai-status-dot{width:7px;height:7px;border-radius:50%;background:#4ade80;animation:ai-blink 1.5s infinite}@keyframes ai-blink{0%,to{opacity:1}50%{opacity:.4}}#ai-chat-close{background:#ffffff26;border:none;color:#fff;width:30px;height:30px;border-radius:50%;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;transition:background .2s;flex-shrink:0;margin-right:auto}#ai-chat-close:hover{background:#ffffff4d}#ai-chat-messages{flex:1;overflow-y:auto;padding:16px 14px;display:flex;flex-direction:column;gap:12px;background:var(--chat-surface);scroll-behavior:smooth}#ai-chat-messages::-webkit-scrollbar{width:5px}#ai-chat-messages::-webkit-scrollbar-track{background:transparent}#ai-chat-messages::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}.ai-msg{display:flex;align-items:flex-end;gap:8px;max-width:90%;animation:ai-fadeIn .3s ease}@keyframes ai-fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.ai-msg.ai-user{align-self:flex-start;flex-direction:row-reverse}.ai-msg.ai-bot{align-self:flex-end}.ai-msg-avatar{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}.ai-msg.ai-bot .ai-msg-avatar{background:var(--chat-primary-light)}.ai-msg.ai-user .ai-msg-avatar{background:#e2e8f0}.ai-msg-bubble{padding:10px 14px;border-radius:18px;font-size:13.5px;line-height:1.7;max-width:260px;word-break:break-word}.ai-msg.ai-bot .ai-msg-bubble{background:var(--chat-bot-bg);color:var(--chat-bot-text);border-bottom-left-radius:4px}.ai-msg.ai-user .ai-msg-bubble{background:var(--chat-user-bg);color:var(--chat-user-text);border-bottom-right-radius:4px}.ai-typing{display:flex;align-items:center;gap:5px;padding:12px 16px;background:var(--chat-bot-bg);border-radius:18px 18px 18px 4px;width:fit-content}.ai-typing span{width:7px;height:7px;border-radius:50%;background:#94a3b8;display:inline-block;animation:ai-bounce 1.2s infinite}.ai-typing span:nth-child(2){animation-delay:.15s}.ai-typing span:nth-child(3){animation-delay:.3s}@keyframes ai-bounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-6px)}}#ai-chat-input-area{padding:12px 14px;background:var(--chat-bg);border-top:1px solid var(--chat-border);display:flex;gap:8px;align-items:flex-end;flex-shrink:0}#ai-chat-input{flex:1;border:1.5px solid var(--chat-border);border-radius:22px;padding:10px 16px;font-size:13.5px;font-family:inherit;direction:rtl;resize:none;outline:none;line-height:1.5;max-height:100px;background:var(--chat-surface);color:var(--chat-text);transition:border-color .2s;overflow-y:auto}#ai-chat-input:focus{border-color:var(--chat-primary);background:#fff}#ai-chat-input::placeholder{color:#94a3b8}#ai-chat-send{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--chat-primary),var(--chat-primary-dark));color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;transition:transform .2s,opacity .2s}#ai-chat-send:hover{transform:scale(1.08)}#ai-chat-send:disabled{opacity:.5;cursor:not-allowed;transform:none}.ai-suggestions{display:flex;flex-wrap:wrap;gap:6px;padding:0 14px 10px;background:var(--chat-surface);border-top:1px solid var(--chat-border);direction:rtl}.ai-chip{background:#fff;border:1.5px solid var(--chat-primary);color:var(--chat-primary);border-radius:20px;padding:5px 12px;font-size:12px;cursor:pointer;font-family:inherit;transition:background .2s,color .2s;white-space:nowrap}.ai-chip:hover{background:var(--chat-primary);color:#fff}@media(max-width:480px){#ai-chat-window{width:calc(100vw - 24px);left:12px;bottom:84px;height:420px}}