body { 
  background-color: #f5f5f5; 
  font-family: Arial, sans-serif; 
}

.board-container { 
  max-width: 1000px; 
  margin: 30px auto; 
  display: flex; 
  gap: 15px; 
}

.column { 
  background-color: #fff; 
  flex: 1; 
  padding: 15px; 
  border-radius: 8px; 
  box-shadow: 0 4px 10px rgba(0,0,0,0.1); 
  min-height: 400px; 
}

.column h4 { 
  text-align: center; 
  margin-bottom: 15px; 
}

.task { 
  background-color: #e3f2fd; 
  margin: 8px 0; 
  padding: 10px; 
  border-radius: 5px; 
  cursor: grab; 
  user-select: none; 
  display: flex; 
  flex-direction: column; 
}

.task.dragging { 
  opacity: 0.5; 
}

.column.drag-over { 
  background-color: #f1f8e9; 
}

.task-actions { 
  margin-top: 5px; 
  display: flex; 
  justify-content: flex-end; 
}

.task-actions button { 
  margin-left: 5px; 
}

#addTaskForm { 
  max-width: 600px; 
  margin: 0 auto 30px auto; 
  display: flex; 
  gap: 10px; 
}

.task-header { 
  font-size: 0.9em; 
  margin-bottom: 5px; 
  color: #555; 
  text-align: right; 
}