#subheader {
  padding: 20px 50px 35px 50px;
}

#container {
  max-width: 1000px !important;
}

.section-spacing {
  margin-bottom: 30px;
}

/* Two-column layout for book entries on wider screens */
@media (min-width: 768px) {
  .books-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
}

.sub-text {
  font-size: 0.85em;
}

#subheader h1 {
  margin: 20px 0 10px 0;
  color: #333;
}

#subheader_title {
  margin-bottom: 20px;
  color: #666;
  font-style: italic;
}

#subheader_button {
  margin: 0 10px;
  padding: 10px 20px;
  border: 2px solid #333;
  background-color: #fff;
  color: #333;
  cursor: pointer;
  border-radius: 5px;
  font-size: 14px;
  transition: all 0.3s ease;
}

#subheader_button:hover {
  background-color: #333;
  color: #fff;
}

#subheader_button:active {
  background-color: #555;
}

/* Mobile responsive for subpage buttons */
@media (max-width: 768px) {
  #subheader_button {
    display: block;
    width: 200px;
    margin: 10px auto;
  }
}

/* Section headers - matching existing site style */
h2 {
  color: #333;
  font-size: 1.5em;
  font-weight: 600;
  margin: 30px 0 15px 0;
}

h3 {
  color: #333;
  font-size: 1.2em;
  font-weight: 500;
  margin: 20px 0 10px 0;
}

/* Book entry styling */
.book-entry {
  display: flex;
  align-items: flex-start;
  padding: 20px;
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 10px;
  max-width: 500px;
}

.book-cover {
  flex-shrink: 0;
  margin-right: 20px;
  width: 100px;
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f8f8f8;
  border-radius: 8px;
  border: 1px solid #ddd;
  overflow: hidden;
}

.book-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-content {
  flex: 1;
}

.book-content h4 {
  margin: 0 0 5px 0;
  color: #333;
  font-size: 20px;
  font-weight: 600;
}

.book-author {
  margin: 0 0 8px 0;
  color: #666;
  font-size: 18px;
  font-weight: 500;
}

.book-description {
  margin: 0 0 10px 0;
  color: #555;
  font-size: 14px;
  line-height: 1.4;
}

.book-link {
  color: #0066cc;
  text-decoration: underline;
  font-weight: 500;
  font-size: 14px;
}

.book-link:hover {
  text-decoration: underline;
}

/* Mobile responsive for book entries - matching about.css mobile styles */
@media (max-width: 768px) {  
  .book-entry {
    display: flex;
    flex-direction: row;
    align-items: center;
    text-align: left;
    padding: 15px;
    max-width: 100%;
    margin-bottom: 20px;
  }
  
  .book-cover {
    margin: 0 15px 0 0;
    width: 70px;
    height: 105px;
  }
  
  .book-content {
    text-align: left;
  }
  
  .book-content h4 {
    font-size: 18px;
  }
  
  .book-author {
    font-size: 16px;
  }
  
  .book-description {
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .book-entry {
    padding: 12px;
  }
  
  .book-content h4 {
    font-size: 16px;
  }
  
  .book-author {
    font-size: 14px;
  }
}