/* Calendar tab. */

.calendar-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.calendar-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.calendar-type-filter {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: var(--surface-soft);
}

.calendar-type-filter-button {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  padding: 7px 12px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.calendar-type-filter-button:hover {
  color: var(--text-primary);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.calendar-type-filter-button.is-active {
  color: var(--text-on-accent);
  background: var(--accent);
}

.calendar-controls {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: var(--surface-soft);
}

.calendar-nav {
  border: none;
  background: transparent;
  color: var(--text-primary);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
}

.calendar-nav:hover {
  background: var(--accent-soft);
}

.calendar-month {
  font-weight: 600;
  font-size: 14px;
  min-width: 150px;
  text-align: center;
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  padding: 0 4px;
}

.calendar-weekdays span {
  text-align: center;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
}

.calendar-cell {
  background: var(--surface-soft);
  border-radius: 18px;
  padding: 10px;
  min-height: 110px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  border: 1px solid var(--card-border);
}

.calendar-cell.is-muted {
  opacity: 0.45;
}

.calendar-cell.is-today {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.calendar-day {
  font-size: 12px;
  color: var(--text-tertiary);
  font-weight: 600;
}

.calendar-events {
  display: grid;
  gap: 6px;
}

.calendar-event {
  border-radius: 12px;
  padding: 6px 8px;
  background: color-mix(in srgb, var(--event-color) 18%, var(--bg-secondary));
  border: 1px solid
    color-mix(in srgb, var(--event-color) 60%, var(--bg-secondary));
  font-size: 11px;
  color: var(--text-primary);
  text-align: left;
  font-family: inherit;
  width: 100%;
}

button.calendar-event {
  cursor: pointer;
}

button.calendar-event:hover {
  border-color: color-mix(in srgb, var(--event-color) 78%, var(--bg-secondary));
}

button.calendar-event:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.calendar-event.is-completed {
  opacity: 0.65;
}

.calendar-event.is-assessment {
  border-left: 3px solid
    color-mix(in srgb, var(--event-color) 80%, var(--accent));
}

.calendar-event.is-homework {
  border-left: 3px solid
    color-mix(in srgb, var(--event-color) 45%, var(--text-secondary));
  background: color-mix(in srgb, var(--event-color) 11%, var(--bg-secondary));
}

.calendar-event-title {
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.calendar-event-type-icon {
  font-size: 12px;
  color: var(--text-secondary);
}

.calendar-event-tag {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 2px 7px;
  margin-top: 4px;
  color: var(--text-secondary);
  border: 1px solid
    color-mix(in srgb, var(--event-color) 30%, var(--card-border));
  background: color-mix(in srgb, var(--event-color) 14%, var(--bg-secondary));
}

.calendar-event-sub {
  color: var(--text-secondary);
}

.calendar-more {
  font-size: 11px;
  color: var(--text-secondary);
}