#chat-widget{position:fixed;bottom:20px;left:20px;width:300px;background:#fff;box-shadow:0 4px 8px rgba(0,0,0,.1);border-radius:10px;font-family:Arial,sans-serif;z-index:9999;overflow:hidden}#chat-header{background:#000;color:#fff;padding:10px;font-weight:700;text-align:center;cursor:pointer}#chat-close{float:right;font-size:18px;line-height:18px;cursor:pointer;color:#fff;margin-right:8px;margin-top:3px}#chat-body{display:none;padding:15px}.chat-step{margin-bottom:15px}.chat-step p{margin:0 0 10px}#chat-widget input[type=text],#chat-widget input[type=email],#chat-widget input[type=tel],#chat-widget select,#chat-widget input[type=file]{width:100%;padding:8px;margin-bottom:10px;border:1px solid #ddd;border-radius:5px}#chat-widget button{background:#0073aa;color:#fff;border:none;padding:10px;width:100%;border-radius:5px;cursor:pointer}#chat-widget button:hover{background:#005f8d}#chat-header.active+#chat-body{display:block}#chat-step-4 p{color:#28a745;font-weight:700}.chat-message{max-width:80%;margin-bottom:10px;padding:10px;border-radius:15px;font-size:14px;line-height:1.4}.bot-message{background:#f1f1f1;color:#333;text-align:left;border-top-left-radius:0}.user-message{background:#0073aa;color:#fff;text-align:right;border-top-right-radius:0;margin-left:auto}.chat-spinner{border:2px solid #f3f3f3;border-top:2px solid #0073aa;border-radius:50%;width:16px;height:16px;animation:spin 1s linear infinite;display:inline-block;vertical-align:middle;margin-right:5px}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}@media (max-width:480px){#chat-widget{width:90%;left:5%;bottom:10px}}#chat-body{max-height:60vh;overflow-y:auto;padding-right:8px;box-sizing:border-box}#chat-body::-webkit-scrollbar{width:6px}#chat-body::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}@media (max-width:480px){#chat-body{max-height:50vh}}