.header-left{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    grid-area: header-left;
    background-image: linear-gradient(to right top, #828ae9, #7f7bd9, #7d6cc8, #795db7, #754ea6);
}

.header-right{
    grid-area: header-right;
}

.information-title{
    display: flex;
    width: 100%;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
}

h1{
    font-size: 1.65rem;
}

/* SVG books icon */
.book-icon{
    width: 30px;
    height: auto;
    fill: currentColor;
}

/*header chat */
.chat-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background-color: white;
  border-bottom: 1px solid #e0e0e0;
}

.chat-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.chat-meta h2 {
  margin: 0;
  font-size: 18px;
  color: #1f2937;
}

.chat-meta p {
  margin: 0;
  font-size: 14px;
  color: #6b7280;
}

.chat-actions {
  display: flex;
  gap: 12px;
}

.chat-btn {
  background: #f3f4f6;
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  font-size: 18px;
  cursor: pointer;
  transition: background 0.2s ease;
}

.chat-btn:hover {
  background: #e5e7eb;
}