body {
  font-family: Arial, sans-serif;
  max-width: 700px;
  margin: 40px auto;
  padding: 20px;
  background: #f9f9f9;
  color: #333;
  line-height: 1.6;
}

h1 {
  text-align: center;
  margin-bottom: 20px;
  color: #222;
}

form {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

form input,
form button {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 14px;
}

form input {
  flex: 1;
  min-width: 150px;
}

form button {
  background: #0077cc;
  color: white;
  cursor: pointer;
  border: none;
  transition: background 0.2s;
}

form button:hover {
  background: #005fa3;
}

#sort {
  margin-top: 5px;
  padding: 6px;
  border-radius: 6px;
  border: 1px solid #ccc;
}

ul {
  list-style: none;
  padding: 0;
}

.book-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  margin-bottom: 8px;
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.book-title {
  font-weight: bold;
  color: #222;
}

.book-genre {
  margin-left: 6px;
  color: #007744;
}

.book-date {
  margin-left: 6px;
  color: #777;
  font-size: 0.9em;
}

.delete-btn {
  margin-left: 10px;
  background: #e74c3c;
  color: white;
  border: none;
  border-radius: 4px;
  padding: 5px 8px;
  cursor: pointer;
  transition: background 0.2s;
}

.delete-btn:hover {
  background: #c0392b;
}