.eb-library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 25px;
  padding: 20px;
}
.eb-book-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  text-align: center;
  padding: 15px;
}
.eb-book-cover {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 12px;
}
.eb-buttons button {
  background: #c20e1a;
  border: none;
  color: #fff;
  padding: 8px 12px;
  margin: 6px;
  border-radius: 8px;
  cursor: pointer;
}
.eb-buttons button:hover {
  background: #900c14;
}
.eb-pagination {
  text-align: center;
  margin-top: 20px;
}
.eb-popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  display: flex;
  justify-content: flex-end;
  align-items: center;
  z-index: 9999;
}
.eb-popup-content {
  background: white;
  width: 75%;
  padding: 10px;
  border-radius: 12px 0 0 12px;
  position: relative;
}
.eb-close {
  position: absolute;
  top: 10px;
  right: 20px;
  font-size: 26px;
  cursor: pointer;
  color: #900c14;
}