* {
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
  background-color: #f5f5f5;
}

h1 {
  text-align: center;
  color: #333;
}

.container {
  background-color: white;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.form-group {
  display: flex;
  margin-bottom: 20px;
}

.form-group input[type="text"] {
  flex: 1;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
}

.form-group button {
  padding: 10px 20px;
  background-color: #4CAF50;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  margin-left: 10px;
  font-size: 16px;
}

.form-group button:hover {
  background-color: #45a049;
}

.todo-list {
  list-style: none;
  padding: 0;
}

.todo-item {
  display: flex;
  align-items: center;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  margin-bottom: 8px;
  background-color: #f9f9f9;
}

.todo-item.completed {
  background-color: #e8f5e9;
  text-decoration: line-through;
  color: #888;
}

.todo-item .content {
  flex: 1;
  display: flex;
  align-items: center;
}

.todo-item span {
  flex: 1;
}

.todo-item .datum {
  font-size: 12px;
  color: #666;
  margin-left: 10px;
  white-space: nowrap;
}

.todo-item .actions {
  display: flex;
  gap: 5px;
}

.todo-item .actions a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  font-size: 14px;
  text-decoration: none;
}

.erledigen-btn {
  background-color: #2196F3;
  color: white;
}

.loeschen-btn {
  background-color: #f44336;
  color: white;
}

.erledigen-btn:hover {
  background-color: #0b7dda;
}

.loeschen-btn:hover {
  background-color: #d32f2f;
}

.sort-dropdown {
  padding: 5px;
  border-radius: 4px;
  border: 1px solid #ddd;
}

.export-button {
  padding: 5px 15px;
  background-color: #9C27B0;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
}

.export-button:hover:not(:disabled) {
  background-color: #7B1FA2;
}

.export-button:disabled {
  background-color: #ccc;
  cursor: not-allowed;
}

.sort-container {
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  justify-content: right;
  gap: 10px;
}

.empty-message {
  text-align: center;
  color: #888;
  font-style: italic;
  padding: 20px;
}

.copyright {
  text-align: center;
  margin-top: 40px;
  padding: 20px;
  color: #666;
  font-size: 14px;
}

.copyright p {
  margin: 0;
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-top: 20px;
  padding: 15px;
}

.pagination button {
  padding: 8px 16px;
  background-color: #2196F3;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
}

.pagination button:hover:not(:disabled) {
  background-color: #0b7dda;
}

.pagination button:disabled {
  background-color: #ccc;
  cursor: not-allowed;
}

.pagination-info {
  color: #666;
  font-size: 14px;
}