/* styles.css */
body {
  font-family: Arial, sans-serif;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  background-color: #f0f0f0;
}

.container {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

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

/* Add checklist */
.add-checklist {
  text-align: center;
  margin-bottom: 20px;
}
.add-checklist input {
  width: 250px;
  padding: 8px;
  font-size: 16px;
  border: 1px solid #ddd;
  border-radius: 4px;
}
.add-checklist button {
  margin-left: 10px;
  padding: 8px 16px;
  background: #2196F3;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
.add-checklist button:hover { background: #1976D2; }

/* Checklists grid */
.checklists {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: flex-start;
}
.checklist {
  flex: 1;
  min-width: 300px;
  max-width: 400px;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 15px;
  background: #fafafa;
}

/* Header (title + delete) */
.checklist-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.checklist-header h2 {
  margin: 0;
  color: #444;
  font-size: 1.4em;
}
.delete-checklist-btn {
  background: #f44336;
  color: #fff;
  border: none;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: .8em;
  cursor: pointer;
}
.delete-checklist-btn:hover { background: #d32f2f; }

/* Input group */
.input-group {
  display: flex;
  gap: 10px;
  margin-bottom: 15px;
}
.input-group input {
  flex: 1;
  padding: 8px;
  font-size: 16px;
  border: 1px solid #ddd;
  border-radius: 4px;
}
.input-group button {
  padding: 8px 16px;
  background: #4CAF50;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
.input-group button:hover { background: #45a049; }

/* Task list */
ul { list-style: none; padding: 0; margin: 0; }
li {
  display: flex;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid #eee;
  gap: 10px;
}
.task-checkbox { margin: 0; }
.task-text { flex: 1; text-align: left; }
.task-completed { color: #4CAF50; font-weight: bold; text-decoration: line-through; }
.delete-task-btn {
  background: #f44336;
  color: #fff;
  border: none;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: .8em;
  cursor: pointer;
}
.delete-task-btn:hover { background: #d32f2f; }

/* Responsive */
@media (max-width: 768px) {
  .checklists { flex-direction: column; align-items: center; }
  .checklist { max-width: 100%; }
}