.sezioneChat{margin-bottom:2em;margin-top:1em;}.chat{max-height:500px;background:#fff4df;border-radius:18px;overflow:hidden;display:flex;flex-direction:column;border:1px solid rgba(172,114,70,.35);box-shadow:0 25px 50px rgba(90,46,25,.35),0 10px 20px rgba(90,46,25,.25),inset 0 1px 0 rgba(255,255,255,.6);transform:translateY(-3px);}.header{background:linear-gradient(135deg,#ac7246,#5a2e19);color:#fff;padding:20px 25px;display:flex;align-items:center;gap:15px;}.avatar{width:45px;height:45px;border-radius:50%;background:#fff;color:#ac7246;display:flex;align-items:center;justify-content:center;font-size:25px;}button{border:0;background:#ac7246;color:#fff;border-radius:30px;padding:0 28px;cursor:pointer;font-size:16px;transition:.25s;}button:hover{background:#7d4f2f;}.header h2{font-size:18px;}.header p{opacity:.9;font-size:14px;}.messages{flex:1;overflow-y:auto;padding:25px;background:#f5deb3;}.message{display:flex;margin-bottom:20px;}.message.user{justify-content:flex-end;}.bubble{max-width:70%;padding:15px 18px;border-radius:18px;line-height:1.5;font-size:15px;box-shadow:0 3px 12px rgba(90,46,25,.18);}.bot .bubble{background:#fff4df;color:#3d2a1c;border-bottom-left-radius:5px;border:1px solid #e5c79a;font-family:Georgia,serif;}.user .bubble{background:#ac7246;color:#fff;border-bottom-right-radius:5px;}.footer{border-top:1px solid #ddd;padding:15px;display:flex;gap:10px;background:#fff4df;}#txtMessage{flex:1;border:1px solid #d8b58a;background:#fff4df;color:#5a2e19;border-radius:30px;padding:15px 20px;font-size:16px;outline:0;transition:.25s;}#txtMessage::placeholder{color:#9b7654;}#txtMessage:focus{background:#fffaf0;border-color:#ac7246;box-shadow:0 0 8px rgba(172,114,70,.35);}.welcome{color:#777;margin-top:10px;}.welcome h1{color:#333;margin-bottom:10px;}.typing .bubble{background:#fff4df;border:1px solid #e5c79a;display:flex;align-items:center;gap:6px;width:70px;padding:14px 18px;}.dot{width:8px;height:8px;background:#ac7246;border-radius:50%;animation:typing 1.4s infinite;}.dot:nth-child(2){animation-delay:.2s;}.dot:nth-child(3){animation-delay:.4s;}.avviso{text-align:center;font-size:12px;margin-bottom:1em;}small{font-size:.5em;white-space:nowrap;}@keyframes typing{0%,60%,100%{transform:translateY(0);opacity:.4;}30%{transform:translateY(-6px);opacity:1;}}