body {
  font-family: Arial, sans-serif;
  background: #f4f5f7;
  margin: 0;
  padding: 0;
}

.board {
  display: flex;
  gap: 20px;
  padding: 40px;
  justify-content: center;
}

.column {
  background: #ebecf0;
  border-radius: 6px;
  padding: 16px;
  width: 300px;
  min-height: 400px;
  display: flex;
  flex-direction: column;
}

.column-title {
  font-weight: bold;
  margin-bottom: 16px;
  font-size: 18px;
}

.cards {
  flex: 1;
  min-height: 20px;
}

.card {
  background: #fff;
  border-radius: 4px;
  padding: 12px 36px 12px 12px;
  margin-bottom: 12px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.08);
  position: relative;
  cursor: grab;
  transition: box-shadow 0.2s;
  user-select: none;
  overflow-wrap: break-word;
}

.card.dragging {
  opacity: 0.5;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.cards.dragover {
  background: #d2e4fc;
  border-radius: 4px;
  min-height: 40px;
}

/* Крестик удаления */
.card .delete-btn {
  opacity: 0;
  transition: opacity 0.2s;
  cursor: pointer;
  position: absolute;
  right: 8px;
  top: 8px;
  color: #888;
  font-size: 18px;
  background: none;
  border: none;
  outline: none;
  z-index: 2;
}
.card:hover .delete-btn {
  opacity: 1;
}
.delete-btn:hover {
  color: #e74c3c;
}

.card.placeholder {
  background: #e0e0e0;
  border: 2px dashed #aaa;
  margin-bottom: 12px;
  margin-top: 0;
  margin-left: 0;
  margin-right: 0;
  box-sizing: border-box;
  padding: 12px 36px 12px 12px;
}
.add-card-form {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.add-card-form input {
  flex: 1;
  padding: 6px;
  border-radius: 4px;
  border: 1px solid #ccc;
}

.add-card-form button {
  padding: 6px 12px;
  border-radius: 4px;
  border: none;
  background: #5aac44;
  color: #fff;
  cursor: pointer;
}

.add-card-form button:hover {
  background: #519839;
}

.add-btn {
  margin-top: 8px;
  background: none;
  border: none;
  color: #5aac44;
  cursor: pointer;
  font-size: 15px;
  text-align: left;
  padding: 0;
}

.add-btn:hover {
  text-decoration: underline;
}