/* ── Board View ── */
#board-view {
  display: none;
  padding: 20px;
  overflow: hidden;
}

#board-view.active {
  display: flex;
  flex: 1;
  gap: 16px;
  min-width: 0;
}

.board-columns {
  display: flex;
  gap: 16px;
  flex: 1;
  overflow-x: auto;
  min-width: 0;
}

.board-column {
  flex: 1;
  min-width: 180px;
  max-width: 260px;
  background: var(--surface2);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  max-height: 100%;
}

.board-column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.column-count {
  background: var(--bg3);
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.board-column-body {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  min-height: 80px;
  transition: background .2s;
}

.board-column-body.drag-over {
  background: var(--primary-bg);
  border-radius: 8px;
}