/* ═══ Kanban Board ═══════════════════════════════════════════════════════════ */

.kanban-view {
  padding: 28px 28px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  overflow-y: auto;
}

.kanban-board {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  align-items: flex-start;
  flex: 1;
}

.kanban-column {
  flex: 0 0 280px;
  display: flex;
  flex-direction: column;
  background: var(--surface-container-low);
  border-radius: var(--radius-lg);
  max-height: 100%;
  overflow: hidden;
}

.kanban-column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  flex-shrink: 0;
}

.kanban-column-title {
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--on-surface-muted);
}

.kanban-column-header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.kanban-archive-all-btn {
  background: none;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-sm);
  padding: 1px 8px;
  font-size: 11px;
  font-weight: 500;
  color: var(--on-surface-muted);
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}

.kanban-archive-all-btn:hover {
  background: var(--surface-container);
  color: var(--on-surface);
  border-color: var(--outline);
}

.kanban-column-count {
  background: var(--surface-container);
  border-radius: var(--radius-full);
  padding: 0 7px;
  font-size: 11px;
  font-weight: 600;
  color: var(--on-surface-muted);
  min-width: 22px;
  text-align: center;
}

.kanban-column-cards {
  flex: 1;
  overflow-y: auto;
  padding: 4px 8px 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 0;
}

.kanban-column-cards .card { flex-shrink: 0; }

/* ═══ Card ═══════════════════════════════════════════════════════════════════ */

.card {
  display: flex;
  background: var(--surface-container);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: background 0.12s, box-shadow 0.12s;
  cursor: pointer;
}

.card:hover {
  background: var(--surface-container-high);
}

.card:focus-visible {
  outline: 2px solid var(--primary-muted);
  outline-offset: 2px;
}

.card-priority-bar {
  width: 3px;
  flex-shrink: 0;
  background: transparent;
  border-radius: 3px 0 0 3px;
}

.card.priority-high   .card-priority-bar { background: var(--priority-high); }
.card.priority-medium .card-priority-bar { background: var(--priority-medium); }
.card.priority-low    .card-priority-bar { background: var(--priority-low); }

.card-body {
  flex: 1;
  padding: 8px 10px;
  min-width: 0;
}

.card-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--on-surface);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.card-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}

.card-due {
  font-size: 11px;
  color: var(--on-surface-muted);
  background: var(--surface-container-high);
  border-radius: var(--radius-sm);
  padding: 0 5px;
}

.card-due--overdue {
  color: var(--error);
  background: var(--error-container);
}

.card-tag {
  font-size: 11px;
  color: var(--on-secondary-container);
  background: var(--secondary-container);
  border-radius: var(--radius-full);
  padding: 0 7px;
}

.card-status-btn {
  flex-shrink: 0;
  width: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  color: var(--on-surface-muted);
  transition: background 0.12s, color 0.12s;
}

.card-status-btn:hover {
  background: var(--surface-container-high);
  color: var(--on-surface);
}

/* Sub-item expand toggle */
.card-sub-btn {
  flex-shrink: 0;
  padding: 0 8px;
  display: flex;
  align-items: center;
  gap: 3px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 11px;
  color: var(--on-surface-muted);
  white-space: nowrap;
  transition: background 0.12s, color 0.12s;
}
.card-sub-btn:hover {
  background: var(--surface-container-high);
  color: var(--primary);
}
.card-sub-btn--open { color: var(--primary); }

/* Child card indentation */
.card--child { opacity: 0.92; }

/* Drag and drop */
.card[draggable="true"] { cursor: grab; }
.card[draggable="true"]:active { cursor: grabbing; }

.kanban-column--drag-over {
  outline: 2px dashed var(--primary-muted);
  outline-offset: -2px;
  background: color-mix(in srgb, var(--primary-muted) 6%, var(--surface-container-low));
}

.kanban-column--drag-over .kanban-column-cards {
  background: transparent;
}