.chat-spark{width:100%;max-width:500px;border:1px solid #ccc;border-radius:8px;padding:10px;font-family:Arial,sans-serif;background:#f9f9f9}.chat-window{height:300px;overflow-y:auto;padding:10px;background:#fff;border:1px solid #ddd;border-radius:6px;margin-bottom:10px}.chat-message{padding:8px 12px;margin:6px 0;border-radius:6px;max-width:80%}.chat-message.user{background:#daf1ff;align-self:flex-end;text-align:right;margin-left:auto}.chat-message.bot{background:#eee;align-self:flex-start;text-align:left;margin-right:auto}.chat-input{display:flex;gap:8px}.chat-input input{flex:1;padding:8px;border-radius:4px;border:1px solid #ccc}.chat-input button{padding:8px 12px;border-radius:4px;border:none;background:#007bff;color:#fff;cursor:pointer}