/* ===== Department Sub-tabs ===== */
.dept-tabs {
  display: flex;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-8) 0;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.dept-tab {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-tertiary);
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  margin-bottom: -1px;
}

.dept-tab:hover {
  color: var(--color-text-secondary);
}

.dept-tab--active {
  color: var(--color-text);
  border-bottom-color: var(--color-text);
  font-weight: var(--font-weight-semibold);
}

.dept-tab--add {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-base);
  padding: var(--space-2) var(--space-3);
  border-bottom: 2px solid transparent;
}

.dept-tab--add:hover {
  color: var(--color-primary);
}

.dept-tab-wrap {
  position: relative;
  display: flex;
}

/* Tab context menu */
.tab-context-menu__item {
  display: block;
  width: 100%;
  padding: 6px 12px;
  text-align: left;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.tab-context-menu__item:hover {
  background: var(--color-bg-hover);
}

.tab-context-menu__item--danger {
  color: var(--color-danger);
}

.tab-context-menu__item--danger:hover {
  background: rgba(224, 62, 62, 0.08);
}

/* Department badge on card */
.project-card__dept-badge {
  display: inline-block;
  width: fit-content;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-light);
  border-radius: 10px;
}

/* Department badge in overlay */
.project-overlay__dept-badge {
  display: inline-block;
  padding: 3px 10px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-light);
  border-radius: 10px;
  margin-bottom: 8px;
}

.project-overlay__dept-badge--clickable {
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.project-overlay__dept-badge--clickable:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-border);
}

/* ===== Project Card Grid Styles ===== */

/* Project Grid (card view) */
.project-grid {
  padding: var(--space-6) var(--space-8);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-4);
  overflow-y: auto;
  flex: 1;
  align-content: start;
}

.project-grid__empty {
  grid-column: 1 / -1;
  padding: var(--space-12) var(--space-8);
  text-align: center;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-base);
  line-height: 1.8;
}

/* Project Card */
.project-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  cursor: pointer;
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
  min-height: 120px;
}

.project-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-text-tertiary);
  transform: translateY(-1px);
}

.project-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.project-card__color {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.project-card__title {
  flex: 1;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-card__actions {
  display: none;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.project-card:hover .project-card__actions {
  display: flex;
}

.project-card__action-btn {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-tertiary);
  font-size: var(--font-size-xs);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.project-card__action-btn:hover {
  background: var(--color-bg-active);
  color: var(--color-text);
}

.project-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.project-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}

.project-card__task-count {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

.project-card__progress-text {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  font-weight: var(--font-weight-medium);
}

/* Progress Bar (shared) */
.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--color-bg-active);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  border-radius: 2px;
  transition: width var(--transition-base);
  background: var(--color-success);
}

.progress-bar__label {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

/* ===== Project Overlay - Task List ===== */
.overlay-task-list {
  margin-top: 0;
}

.overlay-task-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-2);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.overlay-task-item:hover {
  background: var(--color-bg-hover);
}

.overlay-task-item__checkbox {
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.overlay-task-item__checkbox:hover {
  border-color: var(--color-primary);
}

.overlay-task-item__checkbox--checked {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.overlay-task-item__checkbox--checked::after {
  content: "";
  width: 9px;
  height: 5px;
  border-left: 1.5px solid white;
  border-bottom: 1.5px solid white;
  transform: rotate(-45deg) translateY(-1px);
}

.overlay-task-item__content {
  flex: 1;
  min-width: 0;
}

.overlay-task-item__title {
  font-size: var(--font-size-base);
  line-height: 1.4;
  word-break: break-word;
}

.overlay-task-item__title--completed {
  text-decoration: line-through;
  color: var(--color-text-tertiary);
}

.overlay-task-item__meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: 2px;
}

.overlay-task-item__deadline {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

.overlay-task-item__deadline--overdue {
  color: var(--color-danger);
  font-weight: var(--font-weight-medium);
}

.overlay-task-item__actions {
  display: none;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.overlay-task-item:hover .overlay-task-item__actions {
  display: flex;
}

.overlay-task-add-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-2);
  font-size: var(--font-size-base);
  color: var(--color-text-tertiary);
  transition: color var(--transition-fast), background var(--transition-fast);
  width: 100%;
  border-radius: var(--radius-md);
}

.overlay-task-add-btn:hover {
  color: var(--color-text);
  background: var(--color-bg-hover);
}

/* Color picker row in overlay */
.color-picker-row {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  padding: var(--space-2) 0;
}

.color-picker-swatch {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.color-picker-swatch:hover {
  transform: scale(1.15);
}

.color-picker-swatch--active {
  border-color: var(--color-text);
}

/* Color picker popup */
.color-picker-popup {
  position: absolute;
  z-index: var(--z-tooltip);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-3);
}