body {
  background: #0d1117;
  color: #e6edf3;
  font-family: Arial;
  text-align: center;
}

h1 {
  margin: 20px;
}

.board {
  display: flex;
  justify-content: center;
  gap: 20px;
  padding: 20px;
}

.column {
  background: #161b22;
  padding: 15px;
  border-radius: 10px;
  width: 250px;
  min-height: 400px;
  transition: 0.3s;
}

.column:hover {
  transform: translateY(-5px);
}

.tasks {
  margin-top: 10px;
  min-height: 300px;
}

.task {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #21262d;
  padding: 10px;
  border-radius: 8px;
  margin-bottom: 10px;
  cursor: grab;
  transition: 0.2s;
}

.task:hover {
  transform: scale(1.05);
}

.dragging {
  opacity: 0.5;
}

button {
  padding: 8px;
  border: none;
  border-radius: 6px;
  background: #238636;
  color: white;
  cursor: pointer;
  margin: 5px;
}

.actions button {
  background: transparent;
  color: #ccc;
  font-size: 14px;
}

.actions button:hover {
  color: white;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.7);
}

.modal-content {
  background: #161b22;
  padding: 20px;
  margin: 15% auto;
  width: 300px;
  border-radius: 10px;
}