.banner {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: #f0f4ff;              /* very light blue, safe across apps */
  color: #1e293b;                   /* dark neutral text */
  padding: 14px 20px;
  font-size: 16px;
  border-bottom: 1px solid #d1d5db; /* subtle border */
  border-radius: 0 0 8px 8px;       /* round only bottom so it feels "attached" */
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08); /* soft shadow */
  z-index: 1000;
}

.banner-text {
  max-width: 90%;
  text-align: left;
}

.banner-text p {
  margin: 0 0 6px;
  font-weight: 600;
  color: #1e40af;   /* royal blue heading to tie with your theme */
}

.banner ul {
  margin: 6px 0 0 20px;
  padding: 0;
  list-style-type: disc;
}

.banner li {
  margin-bottom: 4px;
}

.close-btn {
  background: none;
  border: none;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  color: #64748b;   /* cool gray */
  padding: 2px 6px;
  border-radius: 4px;
  transition: background 0.2s;
}

.close-btn:hover {
  background: rgba(100, 116, 139, 0.1);
}