#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50;margin-top:60px}.chat-widget{position:fixed;bottom:240px;right:18px;width:360px;height:490px;max-height:490px;background:#fff;border-radius:14px;box-shadow:0 10px 30px rgba(0,0,0,.15);display:flex;flex-direction:column;z-index:999999;font-family:system-ui,-apple-system,BlinkMacSystemFont,sans-serif;transition:width .25s ease}.chat-widget.expanded{width:clamp(360px,60vw,640px)}@media(max-width:600px){.chat-widget,.chat-widget.expanded{width:90vw!important;height:63vh!important;min-width:0;min-height:0;max-width:98vw;max-height:90vh}}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:6px 14px;background:#23b7e5;color:#fff;border-radius:14px 14px 0 0}.chat-title{font-size:17px;font-weight:600}.chat-close{font-size:22px}.chat-close,.chat-expand{background:none;border:none;color:#fff;cursor:pointer}.chat-expand{display:flex;align-items:center;justify-content:center;padding:4px;margin-right:8px}.chat-messages{flex:1;padding:12px;overflow-y:auto;background:#f7f7f8}.chat-message{display:flex;margin-bottom:10px}.chat-message.user{justify-content:flex-end}.chat-avatar{width:45px;height:45px;margin-right:8px;align-self:center}.chat-message.assistant{display:flex;align-items:flex-start}.chat-bubble{max-width:75%;padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.4}.chat-message.user .chat-bubble{background:#23b7e5;color:#fff;border-bottom-right-radius:4px}.chat-message.assistant .chat-bubble{background:#e5e5ea;color:#000;border-bottom-left-radius:4px;text-align:left}.chat-bubble.typing{font-style:italic;opacity:.7}.chat-bubble ol,.chat-bubble ul{margin:6px 0;padding-left:20px}.chat-bubble li{margin-bottom:2px}.chat-bubble a{color:#23b7e5;text-decoration:underline;word-break:break-word}.chat-message.user .chat-bubble a{color:#fff}.chat-bubble code{background:rgba(0,0,0,.08);padding:1px 4px;border-radius:4px;font-size:13px}.typing-dots{display:inline-flex;align-items:center;gap:4px}.typing-dots span{width:8px;height:8px;background-color:#23b7e5;border-radius:50%;opacity:.3;animation:typingBlink 1.4s infinite both}.typing-dots span:first-child{animation-delay:0s}.typing-dots span:nth-child(2){animation-delay:.2s}.typing-dots span:nth-child(3){animation-delay:.4s}@keyframes typingBlink{0%{opacity:.3}20%{opacity:1}to{opacity:.3}}.chat-input{display:flex;align-items:center;padding:12px;border-top:1px solid #ddd;background:#fff;border-radius:0 0 14px 14px}.chat-input input{flex:1;padding:10px 12px;border-radius:8px;border:1px solid #ccc;outline:none;font-size:14px}.chat-input button{display:flex;align-items:center;justify-content:center;width:42px;height:42px;margin-left:8px;background:#039cd2;color:#fff;border:none;border-radius:8px;cursor:pointer;transition:.2s ease}.send-btn:hover{background:#0284b8}.chat-input button:disabled{opacity:.6;cursor:not-allowed}.typing-cursor{animation:blink 1s infinite;margin-left:2px}@keyframes blink{0%,50%,to{opacity:1}25%,75%{opacity:0}}