/* ============================================
   LINUS — Tasks View
   Role tabs, task cards, checkbox animation, FAB
   ============================================ */

/* =============================================
   TABS BAR
   ============================================= */
.tasks-tabs {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-sm);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
}

.tasks-tabs::-webkit-scrollbar {
  display: none;
}

.tasks-tab {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  background: var(--bg-card);
  border: 1.5px solid var(--color-border-light);
  cursor: pointer;
  white-space: nowrap;
  min-height: 38px;
  transition:
    color var(--transition-normal),
    background-color var(--transition-normal),
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.tasks-tab:active {
  transform: scale(0.95);
}

.tasks-tab.active {
  font-weight: var(--weight-semibold);
  box-shadow: var(--shadow-sm);
}

/* Count badge inside tab */
.tasks-tab__count {
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: var(--weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition:
    background-color var(--transition-normal),
    color var(--transition-normal);
}

/* Role-specific tab styles */
.tasks-tab--all.active {
  background: var(--color-text);
  color: var(--color-text-inverse);
  border-color: transparent;
}
.tasks-tab--all .tasks-tab__count {
  background: rgba(255, 255, 255, 0.2);
  color: inherit;
}
.tasks-tab--all.active .tasks-tab__count {
  background: rgba(255, 255, 255, 0.25);
  color: var(--color-text-inverse);
}

.tasks-tab--mae.active {
  background: var(--color-mae-light);
  color: var(--color-mae-dark);
  border-color: var(--color-mae);
}
.tasks-tab--mae .tasks-tab__count {
  background: var(--color-mae-light);
  color: var(--color-mae-dark);
}

.tasks-tab--business.active {
  background: var(--color-business-light);
  color: var(--color-business-dark);
  border-color: var(--color-business);
}
.tasks-tab--business .tasks-tab__count {
  background: var(--color-business-light);
  color: var(--color-business-dark);
}

.tasks-tab--personal.active {
  background: var(--color-personal-light);
  color: var(--color-personal-dark);
  border-color: var(--color-personal);
}
.tasks-tab--personal .tasks-tab__count {
  background: var(--color-personal-light);
  color: var(--color-personal-dark);
}

/* =============================================
   TASK LIST
   ============================================= */
.tasks-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-bottom: 80px; /* space for FAB */
}

/* =============================================
   TASK CARD
   ============================================= */
.task-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--color-border-light);
  cursor: pointer;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-normal),
    opacity var(--transition-slow),
    border-color var(--transition-normal);
  -webkit-tap-highlight-color: transparent;
  animation: taskCardIn 300ms ease both;
  position: relative;
  overflow: hidden;
}

.task-card:active {
  transform: scale(0.98);
}

.task-card:hover {
  box-shadow: var(--shadow-sm);
}

@keyframes taskCardIn {
  0% {
    opacity: 0;
    transform: translateY(8px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---- Checkbox Area ---- */
.task-card__checkbox {
  flex-shrink: 0;
  position: relative;
  width: 24px;
  height: 24px;
  margin-top: 1px;
}

.task-card__checkbox-input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
  z-index: 2;
  margin: 0;
}

.task-card__checkbox-box {
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  position: relative;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-spring);
}

/* Checkmark stroke animation */
.task-card__checkbox-box::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 7px;
  width: 6px;
  height: 12px;
  border: 2.5px solid var(--color-text-inverse);
  border-top: none;
  border-left: none;
  transform: rotate(45deg) scale(0);
  transform-origin: bottom center;
  transition: transform 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
  opacity: 0;
}

.task-card__checkbox-input:checked + .task-card__checkbox-box {
  border-color: transparent;
  animation: taskCheckBounce 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.task-card__checkbox-input:checked + .task-card__checkbox-box::after {
  transform: rotate(45deg) scale(1);
  opacity: 1;
}

/* Role-colored checked states */
.task-card--mae .task-card__checkbox-input:checked + .task-card__checkbox-box {
  background: var(--color-mae);
}
.task-card--business .task-card__checkbox-input:checked + .task-card__checkbox-box {
  background: var(--color-business);
}
.task-card--personal .task-card__checkbox-input:checked + .task-card__checkbox-box {
  background: var(--color-personal);
}

@keyframes taskCheckBounce {
  0% { transform: scale(1); }
  25% { transform: scale(1.3); }
  50% { transform: scale(0.9); }
  75% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

/* ---- Content Area ---- */
.task-card__content {
  flex: 1;
  min-width: 0;
}

.task-card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  line-height: var(--leading-tight);
  transition:
    color var(--transition-normal),
    text-decoration var(--transition-normal);
}

.task-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.task-card__meta-divider {
  width: 3px;
  height: 3px;
  border-radius: var(--radius-full);
  background: var(--color-text-muted);
  opacity: 0.5;
}

.task-card__due {
  display: flex;
  align-items: center;
  gap: 3px;
}

.task-card__due--overdue {
  color: var(--color-danger);
  font-weight: var(--weight-semibold);
}

/* ---- Priority Indicator ---- */
.task-card__priority {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  align-self: center;
}

.task-card__priority--high {
  background: var(--color-danger);
  box-shadow: 0 0 6px rgba(229, 115, 115, 0.4);
}

.task-card__priority--medium {
  background: var(--color-warning);
}

.task-card__priority--low {
  background: var(--color-success);
}

/* Role border accent */
.task-card--mae {
  border-left: 3px solid var(--color-mae);
}

.task-card--business {
  border-left: 3px solid var(--color-business);
}

.task-card--personal {
  border-left: 3px solid var(--color-personal);
}

/* ---- Completed State ---- */
.task-card--completed {
  opacity: 0.55;
}

.task-card--completed .task-card__title {
  text-decoration: line-through;
  text-decoration-color: var(--color-text-muted);
  color: var(--color-text-muted);
}

.task-card--completed .task-card__meta {
  opacity: 0.7;
}

/* Satisfying completion animation */
.task-card--completing {
  animation: taskComplete 500ms ease forwards;
}

@keyframes taskComplete {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  30% {
    transform: scale(1.02);
    opacity: 1;
  }
  100% {
    transform: scale(1);
    opacity: 0.55;
  }
}

/* =============================================
   FLOATING ADD BUTTON (FAB)
   ============================================= */
.tasks-add-btn {
  position: fixed;
  bottom: calc(var(--nav-height) + var(--safe-bottom) + var(--space-xl));
  right: var(--space-xl);
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-linus-1), var(--color-linus-2));
  color: var(--color-text-inverse);
  font-size: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-md), 0 4px 16px rgba(184, 169, 201, 0.35);
  z-index: var(--z-card);
  transition:
    transform var(--transition-spring),
    box-shadow var(--transition-normal);
  -webkit-tap-highlight-color: transparent;
  animation: fabIn 400ms cubic-bezier(0.34, 1.56, 0.64, 1) 300ms both;
}

.tasks-add-btn:active {
  transform: scale(0.88) rotate(90deg);
}

.tasks-add-btn:hover {
  box-shadow: var(--shadow-lg), 0 6px 24px rgba(184, 169, 201, 0.45);
}

@keyframes fabIn {
  0% {
    opacity: 0;
    transform: scale(0) rotate(-180deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(0);
  }
}

/* =============================================
   SECTION DIVIDER
   ============================================= */
.tasks-section-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
  padding-left: var(--space-xs);
}