.chat-button{position:fixed!important;bottom:24px!important;right:24px!important;padding:12px 20px;background:linear-gradient(135deg,#10b981,#059669);color:#fff;border:none;border-radius:25px;font-size:14px;font-weight:600;cursor:pointer!important;box-shadow:0 4px 12px #10b98166;transition:all .3s ease;z-index:2147483647!important;pointer-events:auto!important;isolation:isolate!important;transform:translateZ(0)!important;will-change:transform!important}.chat-button:hover{transform:translateY(-2px) translateZ(0)!important;box-shadow:0 6px 20px #10b98199}.chat-widget{position:fixed!important;bottom:24px!important;right:24px!important;width:400px;max-width:calc(100vw - 48px);height:600px;max-height:calc(100vh - 100px);background:#fff;border-radius:16px;box-shadow:0 8px 32px #00000026;display:flex;flex-direction:column;z-index:2147483647!important;overflow:hidden;pointer-events:auto!important;isolation:isolate!important;transform:translateZ(0)!important;will-change:transform!important}@media(prefers-color-scheme:dark){.chat-widget{background:#1a1a1a;color:#e0e0e0}}.chat-header{padding:16px 20px;background:linear-gradient(135deg,#10b981,#059669);color:#fff;display:flex;justify-content:space-between;align-items:center}.chat-title{display:flex;align-items:center;gap:12px}.chat-title h3{margin:0;font-size:16px;font-weight:600}.chat-title p{margin:2px 0 0;font-size:12px;opacity:.9}.chat-close{background:#fff3;border:none;color:#fff;width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center;transition:background .2s}.chat-close:hover{background:#ffffff4d}.chat-messages{flex:1;padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:16px}.chat-messages::-webkit-scrollbar{width:6px}.chat-messages::-webkit-scrollbar-thumb{background:#cbd5e0;border-radius:3px}@media(prefers-color-scheme:dark){.chat-messages::-webkit-scrollbar-thumb{background:#4a5568}}.chat-message{display:flex;gap:12px;align-items:flex-start}.chat-message.user{flex-direction:row-reverse}.message-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.message-content{background:#f7fafc;padding:10px 14px;border-radius:12px;max-width:75%;color:#1a202c}@media(prefers-color-scheme:dark){.message-content{background:#2d3748;color:#e2e8f0}}.chat-message.user .message-content{background:linear-gradient(135deg,#10b981,#059669);color:#fff}.message-content p{margin:0;font-size:14px;line-height:1.5;white-space:pre-wrap}.chat-message.error .message-content{background:#fed7d7;color:#c53030}@media(prefers-color-scheme:dark){.chat-message.error .message-content{background:#742a2a;color:#fc8181}}.chat-welcome{text-align:center;padding:40px 20px}.chat-welcome p{color:#718096;margin:0;font-size:15px}@media(prefers-color-scheme:dark){.chat-welcome p{color:#a0aec0}}.typing-indicator{display:flex;gap:4px}.typing-indicator span{width:8px;height:8px;background:#cbd5e0;border-radius:50%;animation:typing 1.4s infinite}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-10px)}}.chat-input-area{padding:16px 20px;border-top:1px solid #e2e8f0;display:flex;gap:12px;align-items:flex-end}@media(prefers-color-scheme:dark){.chat-input-area{border-top-color:#4a5568}}.chat-input{flex:1;padding:10px 12px;border:1px solid #e2e8f0;border-radius:8px;font-size:14px;font-family:inherit;resize:none;transition:border-color .2s}.chat-input:focus{outline:none;border-color:#10b981}@media(prefers-color-scheme:dark){.chat-input{background:#2d3748;border-color:#4a5568;color:#e0e0e0}.chat-input:focus{border-color:#10b981}}.chat-send{background:linear-gradient(135deg,#10b981,#059669);color:#fff;border:none;width:40px;height:40px;border-radius:8px;font-size:18px;cursor:pointer;transition:opacity .2s;display:flex;align-items:center;justify-content:center}.chat-send:disabled{opacity:.5;cursor:not-allowed}.chat-send:not(:disabled):hover{opacity:.9}.chat-limit{padding:12px;background:#fef3c7;border:1px solid #fbbf24;border-radius:8px;color:#92400e;font-size:13px;text-align:center}@media(prefers-color-scheme:dark){.chat-limit{background:#78350f;border-color:#fbbf24;color:#fef3c7}}@media(max-width:768px){.chat-button{bottom:16px;right:16px}.chat-widget{bottom:16px;right:16px;width:calc(100vw - 32px);height:calc(100vh - 100px)}}