.kanban-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 20px;
}

@media (max-width: 768px) {
  .kanban-board {
    grid-template-columns: 1fr;
    overflow-x: auto;
    display: flex;
  }
  .kanban-col { min-width: 280px; }
}

.kanban-col {
  background: var(--bg-page);
  border: 0.5px solid var(--border);
  border-radius: 8px;
  padding: 16px;
}

.kanban-col-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 0.5px solid var(--border);
}

.kanban-col-header h3 {
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.kanban-count {
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-surface);
  padding: 1px 6px;
  border-radius: 3px;
}

.kanban-card {
  background: var(--bg-surface);
  border: 0.5px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  padding: 14px 16px;
  margin-bottom: 10px;
  cursor: grab;
  transition: border-color 0.2s, transform 0.1s;
}

.kanban-card:hover { border-color: var(--accent); }
.kanban-card.dragging { opacity: 0.5; transform: scale(0.98); }

.kanban-card h4 {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-primary);
  line-height: 1.5;
}

.kanban-card .effect-ref {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 6px;
}

.kanban-card .card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
}

.kanban-card .creator {
  font-size: 12px;
  color: var(--text-secondary);
}

.kanban-col.drag-over {
  border-color: var(--accent);
  background: rgba(200, 184, 154, 0.06);
}

.card-delete-btn:hover {
  color: #e24b4a !important;
}