#chat-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #ff6f61;
    color: #fff;
    display: none; /* hidden by default, opens via link */
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    cursor: pointer;
    z-index: 10000;
  }
  #chat-window {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 300px;
    max-height: 400px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
    display: none;
    flex-direction: column;
    overflow: hidden;
    z-index: 10000;
    font-family: sans-serif;
  }
  #chat-header {
    background: #333;
    color: #fff;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  #chat-body {
    flex: 1;
    padding: 10px;
    overflow-y: auto;
    font-size: 14px;
  }
  #chat-suggestions {
    display: flex;
    overflow-x: auto;
    padding: 5px;
    background: #f9f9f9;
  }
  .suggestion {
    background: #e0e0e0;
    margin: 0 5px;
    padding: 5px 8px;
    border-radius: 15px;
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
  }
  #chat-input {
    display: flex;
    border-top: 1px solid #ddd;
  }
  #chat-input input {
    flex: 1;
    border: none;
    padding: 8px;
    font-size: 14px;
  }
  #chat-input button {
    background: #ff6f61;
    color: #fff;
    border: none;
    padding: 0 12px;
    cursor: pointer;
  }