.chat-fab{position:fixed;bottom:24px;right:24px;width:56px;height:56px;border-radius:999px;background:#008060;color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #00000026;transition:transform .2s ease,box-shadow .2s ease;z-index:9999}.chat-fab:hover{transform:scale(1.05);box-shadow:0 6px 16px #0003}.chat-fab:active{transform:scale(.95)}.chat-badge{position:absolute;top:-2px;right:-2px;background:#d72c0d;color:#fff;font-size:11px;font-weight:700;min-width:20px;height:20px;border-radius:999px;display:flex;align-items:center;justify-content:center;padding:0 5px;border:2px solid #ffffff;box-shadow:0 2px 5px #0003}.chat-new-btn{background:none;border:none;color:#fff;cursor:pointer;padding:4px;border-radius:4px;display:flex;align-items:center;justify-content:center;opacity:.85;transition:opacity .15s ease,background .15s ease}.chat-new-btn:hover{opacity:1;background:#ffffff26}.chat-window{position:fixed;bottom:92px;right:24px;width:380px;height:520px;background:#fff;border:1px solid #e5e7eb;border-radius:8px;box-shadow:0 20px 40px #00000026;display:flex;flex-direction:column;overflow:hidden;z-index:9998;animation:chatSlideUp .2s ease;font-family:-apple-system,BlinkMacSystemFont,San Francisco,Segoe UI,Roboto,Helvetica Neue,sans-serif}@keyframes chatSlideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.chat-header{background:#008060;color:#fff;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.chat-header-info{display:flex;align-items:center;gap:10px}.chat-header-avatar{width:32px;height:32px;border-radius:999px;background:#fff3;display:flex;align-items:center;justify-content:center}.chat-header-text h3{font-size:14px;font-weight:600;margin:0}.chat-header-text p{font-size:11px;opacity:.85;margin:1px 0 0}.chat-close-btn{background:none;border:none;color:#fff;cursor:pointer;padding:4px;border-radius:4px;display:flex;align-items:center;justify-content:center}.chat-close-btn:hover{background:#ffffff26}.chat-body{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}.chat-msg{max-width:85%;padding:10px 14px;border-radius:8px;font-size:13px;line-height:1.5;word-wrap:break-word}.chat-msg-merchant{align-self:flex-end;background:#008060;color:#fff;border-bottom-right-radius:2px}.chat-msg-admin{align-self:flex-start;background:#f3f4f6;color:#111827;border-bottom-left-radius:2px}.chat-msg-time{font-size:10px;opacity:.65;margin-top:4px}.chat-typing{align-self:flex-start;padding:8px 14px;background:#f3f4f6;border-radius:8px 8px 8px 2px;font-size:12px;color:#6b7280}.chat-typing-dots{display:inline-flex;gap:3px}.chat-typing-dots span{width:5px;height:5px;border-radius:999px;background:#9ca3af;animation:typingBounce 1.2s infinite}.chat-typing-dots span:nth-child(2){animation-delay:.2s}.chat-typing-dots span:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-4px)}}.chat-input-area{border-top:1px solid #f3f4f6;padding:12px;display:flex;gap:8px;align-items:flex-end;flex-shrink:0}.chat-input-field{flex:1;padding:10px 12px;border:1px solid #d1d5db;border-radius:4px;font-size:13px;font-family:inherit;color:#111827;background:#fff;outline:none;resize:none;min-height:40px;max-height:100px;line-height:1.4}.chat-input-field:focus{border-color:#008060;box-shadow:0 0 0 1px #008060}.chat-input-field::placeholder{color:#9ca3af}.chat-send-btn{width:40px;height:40px;border-radius:4px;background:#008060;color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s ease}.chat-send-btn:hover{background:#0f5132}.chat-send-btn:disabled{background:#d1d5db;cursor:not-allowed}.chat-preform{flex:1;display:flex;flex-direction:column;justify-content:center;padding:20px;gap:12px}.chat-preform-title{font-size:16px;font-weight:600;color:#111827;text-align:center;margin:0 0 4px}.chat-preform-sub{font-size:12px;color:#6b7280;text-align:center;margin:0 0 12px}.chat-field{display:flex;flex-direction:column;gap:4px}.chat-label{font-size:12px;font-weight:500;color:#374151}.chat-form-input{padding:8px 12px;border:1px solid #d1d5db;border-radius:4px;font-size:13px;font-family:inherit;color:#111827;background:#fff;outline:none}.chat-form-input:focus{border-color:#008060;box-shadow:0 0 0 1px #008060}.chat-form-input::placeholder{color:#9ca3af}.chat-start-btn{padding:10px 16px;background:#008060;color:#fff;border:none;border-radius:4px;font-size:13px;font-weight:600;cursor:pointer;transition:background .15s ease}.chat-start-btn:hover{background:#0f5132}.chat-start-btn:disabled{background:#d1d5db;cursor:not-allowed}.chat-empty{margin:auto;text-align:center;color:#6d7175}.chat-empty p{font-size:14px;font-weight:600;color:#202223;margin:0 0 4px}.chat-empty span{font-size:12px}.chat-error{background:#fff4f4;border:1px solid #e0b3b2;border-radius:4px;padding:8px 12px;font-size:12px;color:#d72c0d}.chat-spinner{animation:chatSpin 1s linear infinite}@keyframes chatSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.chat-footer{padding:6px 12px;border-top:1px solid #f3f4f6;text-align:center;font-size:10px;color:#9ca3af;flex-shrink:0}