body {
  background-color: #f0f0f0;
  margin: 0;
  font-family: Arial, sans-serif;
}

main {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.container {
  background-color: #f0f0f0;
  border-radius: 20px;
  box-shadow: -10px -10px 20px #ffffff, 10px 10px 20px #d1cdc7;
  padding: 10px 30px 10px 20px;
  max-width: 700px;
}

.form-group {
  margin-bottom: 15px;
  padding: 10px;
}

input[type="text"],
input[type="number"] {
  width: 100%;
  padding: 10px 0px 10px 10px;
  border: 1px solid #d1cdc7;
  border-radius: 10px;
}

input[type="checkbox"] {
  margin-right: 10px;
}

#add-book-btn {
  background-color: #4caf50;
  color: white;
  border: none;
  border-radius: 10px;
  margin-left: 10px;
  margin-bottom: 20px;
  padding: 10px 20px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

#add-book-btn:hover {
  background-color: #45a049;
}

header {
  text-align: center;
  margin-bottom: 20px;
}

.Judul {
  font-size: 36px;
  color: #4caf50;
  text-shadow: 2px 2px 4px #d1cdc7;
}

.search {
  margin-bottom: 20px;
}

.search input[type="text"] {
  padding: 10px 0px 10px 10px;
  border: 1px solid #d1cdc7;
  border-radius: 10px;
}

#search-btn,
.btn-delete,
.btn-move,
#confirm-delete-btn,
#cancel-delete-btn {
  background-color: #4caf50;
  color: white;
  border: none;
  border-radius: 10px;
  margin-left: 10px;
  margin-bottom: 5px;
  padding: 10px 20px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.btn-delete,
#confirm-delete-btn {
  background-color: #f44336;
}

.btn-move,
#cancel-delete-btn {
  background-color: #2196f3;
}

#search-btn:hover {
  background-color: #45a049;
}