.board-area {
  flex: 1;
  min-height: 0;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 18px 24px 24px;
}

.board {
  display: flex;
  gap: 18px;
  align-items: stretch;
  width: max-content;
  min-width: 100%;
  height: 100%;
  min-height: 0;
}

.column {
  width: 320px;
  min-width: 320px;
  display: flex;
  flex-direction: column;
  background: rgba(18, 22, 44, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  overflow: hidden;
  height: 100%;
  min-height: 0;
  max-height: 100%;
  transition: all 0.2s ease;
}

.column.drag-over {
  border: 1px solid rgba(124, 110, 245, 0.8);
  box-shadow: 0 0 0 2px rgba(124, 110, 245, 0.15);
  transform: translateY(-2px);
}

.col-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  flex-shrink: 0;
}

.col-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.col-title {
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
}

.col-count {
  margin-left: auto;
  min-width: 24px;
  height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: rgba(124, 110, 245, 0.14);
  color: #b8b8ff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

.col-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.col-body::-webkit-scrollbar {
  width: 6px;
}

.col-body::-webkit-scrollbar-track {
  background: transparent;
}

.col-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
}

.col-body::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.16);
}

.empty-col {
  padding: 20px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
  border: 1px dashed rgba(255, 255, 255, 0.05);
  border-radius: 14px;
}

.add-in-col {
  margin: 0 12px 12px;
  padding: 12px 14px;
  appearance: none;
  -webkit-appearance: none;
  border: 1px dashed rgba(124, 110, 245, 0.35);
  border-radius: 14px;
  text-align: center;
  background: rgba(124, 110, 245, 0.08);
  color: #d8d4ff;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: 0.2s ease;
  user-select: none;
  flex-shrink: 0;
  outline: none;
}

.add-in-col:hover {
  background: rgba(124, 110, 245, 0.16);
  border-color: rgba(124, 110, 245, 0.7);
  color: #ffffff;
}

.add-in-col:focus {
  background: rgba(124, 110, 245, 0.16);
  border-color: rgba(124, 110, 245, 0.7);
  color: #ffffff;
}