.chat-box {
    border: 1px solid var(--brand-grey-border);
    border-radius: 16px;
    min-height: 420px;
    max-height: 60vh;
    overflow-y: auto;
    padding: 18px;
    box-shadow: inset 0 1px 2px rgba(0,0,0,.03);
  }

.msg {
    max-width: 82%;
    padding: 12px 14px;
    border-radius: 14px;
    margin-bottom: 12px;
    box-shadow: 0 1px 2px rgba(0,0,0,.04);
  }

  .msg.ai {
    background: var(--ndee-darkbackground);
    border: 1px solid #cfe2fb;
    color: var(--ndee-lighttext);
  }

  .msg.user {
    background: var(--ndee-lightbackground);
    border: 1px solid #e1e4e8;
    margin-left: auto;
    color: var(--ndee-darktext);
  }

  .msg .fw-semibold {
    font-size: .95rem;
    margin-bottom: 4px !important;
    color: #1e2b36;
  }