/* ==========================================================================
   DevFlow Tasks Stylesheet (tasks.css)
   ========================================================================== */

.tasks-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.tasks-filters-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.view-toggle {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 0.2rem;
}

.view-toggle-btn {
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.view-toggle-btn.active {
  background: var(--primary);
  color: #fff;
}

/* Kanban Board Columns */
.kanban-board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  align-items: start;
  min-height: calc(100vh - 240px);
}

@media (max-width: 1200px) {
  .kanban-board {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .kanban-board {
    grid-template-columns: 1fr;
  }
}

.kanban-column {
  background: rgba(14, 21, 38, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 200px);
}

.kanban-column-header {
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.column-title {
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.column-counter {
  font-size: 0.75rem;
  padding: 0.15rem 0.55rem;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  color: var(--text-muted);
}

.column-cards-container {
  padding: 1rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  flex: 1;
  min-height: 140px;
}

/* Kanban Task Card */
.task-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.1rem;
  cursor: grab;
  transition: all var(--transition-fast);
  position: relative;
}

.task-card:hover {
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  transform: translateY(-2px);
}

.task-card.dragging {
  opacity: 0.5;
  cursor: grabbing;
}

.task-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}

.task-card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: 0.5rem;
}

.task-card-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.task-subtasks-preview {
  margin-bottom: 0.75rem;
  padding: 0.5rem 0.7rem;
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.task-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.task-due-date {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.task-due-date.overdue {
  color: var(--danger);
  font-weight: 600;
}

.task-card-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* List View Alternative */
.tasks-list-view {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.task-list-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: all var(--transition-fast);
}

.task-list-item:hover {
  border-color: rgba(99, 102, 241, 0.4);
  background: var(--bg-card-hover);
}

.task-list-checkbox {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 2px solid var(--border-card);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.task-list-checkbox.checked {
  background: var(--success);
  border-color: var(--success);
}