body{background-color:#fff;margin:0;font-family:Arial,Helvetica,sans-serif}.app-container{background-color:#fff;flex-direction:column;max-width:600px;height:100vh;margin:auto;display:flex;box-shadow:0 0 15px #0000001a}.chat-messages-container{scrollbar-width:none;flex-direction:column;flex-grow:1;padding:20px;display:flex;overflow-y:auto}.chat-message-user{justify-content:flex-end;align-items:flex-start;margin-bottom:20px;display:flex}.chat-message-robot{justify-content:flex-start;align-items:flex-start;margin-bottom:20px;display:flex}.chat-message-text{background-color:#eee;border-radius:10px;max-width:300px;margin:0 10px;padding:15px 20px}.chat-message-profile{object-fit:cover;border-radius:50%;width:45px;height:45px}.chat-input-container{padding:15px;display:flex}.chat-input{border:1px solid #ddd;border-radius:10px;flex-grow:1;padding:12px 15px;font-size:15px}.send-btn{color:#fff;cursor:pointer;background-color:#198754;border:none;border-radius:10px;margin-left:10px;padding:12px 20px;font-size:15px}.toggle-text{text-align:center;color:#06c;cursor:pointer;-webkit-user-select:none;user-select:none;padding:15px 20px;font-size:15px}.toggle-text:hover{text-decoration:underline}.typing-indicator{align-items:flex-start;margin-bottom:20px;display:flex}.typing-bubble{background-color:#eee;border-radius:10px;align-items:center;gap:5px;margin:0 10px;padding:15px 20px;display:flex}.typing-dot{background-color:#666;border-radius:50%;width:8px;height:8px;animation:1.2s infinite typingBounce}.typing-dot:nth-child(2){animation-delay:.15s}.typing-dot:nth-child(3){animation-delay:.3s}@keyframes typingBounce{0%,80%,to{transform:translateY(0)}40%{transform:translateY(-6px)}}@media (width<=600px){.app-container{border-radius:0;max-width:100%;box-shadow:0 0 8px #00000014}.chat-messages-container{padding:15px}.chat-message-text{max-width:75%}.chat-input-container{padding:12px}.chat-input{font-size:16px}.send-btn{padding:12px 18px;font-size:16px}.toggle-text{padding:12px 15px;font-size:14px}}