<style>
  #chat-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #500000;
    color: #fff;
    border: none;
    padding: 12px 20px;
    font-weight: bold;
    border-radius: 24px;
    cursor: pointer;
    z-index: 9999;
  }

  #chat-drawer {
    position: fixed;
    bottom: 0;
    right: 0;
    width: 320px;
    max-height: 600px;
    height: 80%;
    background: #fff;
    border-left: 1px solid #ccc;
    box-shadow: -2px 0 12px rgba(0, 0, 0, 0.2);
    display: none;
    flex-direction: column;
    z-index: 10000;
  }

  #chat-drawer-header {
    background: #500000;
    color: #fff;
    padding: 10px 16px;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  #chat-drawer-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 18px;
    cursor: pointer;
  }

  #chat-content {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    font-size: 14px;
  }

  #chat-input {
    display: flex;
    border-top: 1px solid #ddd;
  }

  #chat-input input {
    flex: 1;
    padding: 10px;
    border: none;
    font-size: 14px;
  }

  #chat-input button {
    background: #500000;
    color: #fff;
    border: none;
    padding: 10px;
    cursor: pointer;
  }
</style>
