body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #f9f9f9;
}

body.dark-mode {
  background-color: #121212;
  color: #ffffff;
}

header {
    text-align: center;
    padding: 20px;
    background-color: #f3f3f3;
}

header.dark-mode {
  background-color: #1e1e1e;
  color: #ffffff;
}

header img {
    max-width: 150px;
    display: block;
    margin: 0 auto 10px;
}

main {
    padding: 20px;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    padding: 20px;
}

.card.dark-mode {
  background-color: #1e1e1e;
  color: #ffffff;
  box-shadow: 0 2px 5px rgba(255, 255, 255, 0.1);
}

input[type="text"] {
    width: 100%;
    padding: 8px;
    margin: 8px 0;
}

input.dark-mode,
button.dark-mode {
  background-color: #333;
  color: #ffffff;
  border: 1px solid #555;
}

button {
    padding: 8px 16px;
    margin-top: 5px;
    cursor: pointer;
}

button.dark-mode:hover {
  background-color: #444;
}

#chatbox {
    display: flex;
    flex-direction: column;
}

#chatLog {
    background: #eee;
    padding: 10px;
    height: 150px;
    overflow-y: auto;
    margin-bottom: 10px;
}

footer {
    text-align: center;
    padding: 10px;
    font-size: 0.9em;
    background: #eee;
    margin-top: 30px;
}

.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    list-style: none;
    padding: 0;
}

.book-grid li {
    text-align: center;
}

.book-grid img {
    width: 100px;
    height: auto;
    border-radius: 8px;
    margin-bottom: 10px;
}

.book-grid p {
    font-size: 14px;
    color: #333;
}

.discover-section {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, #f3f4f6, #e9ecef);
    border-top: 2px solid #ddd;
}

.discover-section h2 {
    font-size: 2.8em;
    margin-bottom: 20px;
    color: #333;
    font-weight: bold;
}

.discover-section .discover-intro {
    font-size: 1.3em;
    color: #555;
    margin-bottom: 40px;
    line-height: 1.8;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.discover-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 0 20px;
}

.discover-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.discover-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.discover-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-bottom: 2px solid #ddd;
}

.discover-card h3 {
    font-size: 1.6em;
    margin: 20px 0 10px;
    color: #007BFF;
    font-weight: bold;
}

.discover-card p {
    font-size: 1em;
    color: #666;
    padding: 0 15px;
    margin-bottom: 20px;
    line-height: 1.6;
}

.discover-card button {
    padding: 12px 25px;
    font-size: 1em;
    background: #007BFF;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.discover-card button:hover {
    background-color: #0056b3;
    transform: scale(1.05);
}

.header-actions button {
    padding: 5px 10px; /* Reduced padding */
    font-size: 0.9em; /* Smaller font size */
    background: #007BFF;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.header-actions button:hover {
    background-color: #0056b3;
}

.author-list {
  list-style: disc; /* Add bullet points */
  padding-left: 20px; /* Indent the list */
  text-align: center; /* Center the content */
}

.author-list li {
  display: flex;
  flex-direction: column;
  align-items: center; /* Center the image and text */
  margin-bottom: 20px; /* Add spacing between items */
}

.author-list img {
  width: 80px; /* Adjust image size */
  height: 80px;
  border-radius: 50%; /* Make the image circular */
  margin-bottom: 10px; /* Add spacing between image and text */
}

.author-list p {
  margin: 0;
  font-size: 1em;
  color: #333;
}