.kanban-board {
  display: flex;
  gap: 0;
  overflow-x: auto;
  padding: 12px;
  height: calc(100vh - var(--header-h) - 48px);
  -webkit-overflow-scrolling: touch;
}

.kanban-col {
  min-width: 220px;
  max-width: 260px;
  flex: 1;
  background: var(--paper);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: background 0.15s;
}

.kanban-col:last-child { border-right: none; }

.kanban-col-header {
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: var(--card);
}

.kanban-count {
  background: var(--line);
  color: var(--ink2);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 700;
}

.kanban-cards {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.kanban-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  cursor: grab;
  transition: box-shadow 0.15s, border-color 0.15s;
}

.kanban-card:hover {
  border-color: var(--line2);
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
}

.kanban-card:active { cursor: grabbing; }

@media (max-width: 900px) {
  .kanban-board {
    padding: 8px;
    padding-bottom: 70px;
  }

  .kanban-col {
    min-width: 180px;
  }
}