/* v2 */
/* dashboard.css — Dashboard date header, time sections, task detail sheet, celebration */
/* ============ Dashboard — Date Header ============ */
.date-header {
  text-align: center;
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.date-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
}

.date-nav__btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.date-nav__btn:hover {
  background: var(--accent-light);
  color: var(--accent);
}

.date-nav__btn:active {
  transform: scale(0.92);
  background: var(--accent-light);
  color: var(--accent);
}

.date-nav__center {
  min-width: 180px;
}

.date-header__day {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  display: block;
  letter-spacing: -0.02em;
}

.date-header__full {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.date-header__grade {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.date-header__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.date-header__sep {
  color: var(--text-muted);
  margin: 0 2px;
}

/* ============ Time of Day Section ============ */
.time-header {
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.time-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-light);
}

.time-header:first-child {
  margin-top: 0;
}

/* ============ Task Detail Sheet ============ */
.task-detail__info {
  margin-bottom: var(--spacing-sm);
}

.task-detail__name {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-lg);
  font-weight: 700;
}

.task-detail__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.task-detail__slider {
  padding: var(--spacing-sm) 0;
}

.task-detail__slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xs);
}

.task-detail__slider-value {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--accent);
}

.task-detail__slider-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.task-detail__slider-row .slider {
  flex: 1;
  min-width: 0;
}

.task-detail__grade-preview {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
  text-align: right;
}

/* Range slider */
.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--bg-secondary);
  border-radius: 3px;
  outline: none;
  border: none;
  padding: 0;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-sm);
}

/* ============ Celebration ============ */
.celebration {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 250;
  background: var(--overlay-bg);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.celebration.active {
  opacity: 1;
  visibility: visible;
}

.celebration__content {
  text-align: center;
  animation: celebrationPop 0.5s ease;
}

.celebration__icon {
  font-size: 4rem;
  display: block;
  margin-bottom: var(--spacing-md);
}

.celebration__title {
  font-size: var(--font-size-xl);
  color: var(--bg-primary);
  margin-bottom: var(--spacing-xs);
}

.celebration__subtitle {
  font-size: var(--font-size-sm);
  color: var(--bg-secondary);
}

@keyframes celebrationPop {
  0% { transform: scale(0.5); opacity: 0; }
  60% { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}

/* ── Celebration confetti ── */
@keyframes confettiFall {
  0% { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(120vh) rotate(720deg); opacity: 0; }
}

.celebration__confetti {
  position: fixed;
  top: -10px;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  animation: confettiFall 2.5s ease-in forwards;
  pointer-events: none;
  z-index: 251;
}

.celebration--dismiss {
  opacity: 0;
  transition: opacity 0.4s ease;
}

@media (prefers-reduced-motion: reduce) {
  .celebration__confetti { display: none; }
}