/* === Calendar: header, nav, weekdays, grid, day cells */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.header[hidden],
.weekdays[hidden] {
  display: none !important;
}

.nav {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 10px;
  background: var(--surface);
  color: var(--accent);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-fast), transform var(--transition-fast),
    background-color var(--transition-fast);
}

.nav svg {
  display: block;
}

@media (hover: hover) {
  .nav:hover {
    background: color-mix(in srgb, var(--accent) 15%, var(--surface));
  }
}

.nav:focus {
  outline: none;
}

.nav:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.nav:active {
  transform: scale(0.95);
}

.nav:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

@media (max-width: 480px) {
  .title {
    font-size: 1.25rem;
  }
}

.weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: 6px;
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
}

.calendar-sticky {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  padding-bottom: 12px;
  margin-bottom: 4px;
  touch-action: pan-y;
  transition: box-shadow var(--transition-fast) ease-out;
}

.calendar-sticky.is-scrolled {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 16px;
}

.day {
  position: relative;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 4px;
  border-radius: 8px;
  font-size: 0.85rem;
  background: var(--surface);
  min-width: 0;
  min-height: 32px;
  overflow: hidden;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

@media (hover: hover) {
  .day:hover {
    background: color-mix(in srgb, var(--accent) 10%, var(--surface));
  }
  .day.today:hover {
    background: color-mix(in srgb, var(--bg) 15%, var(--today));
  }
}

.day.other-month {
  opacity: 0.4;
  background: color-mix(in srgb, var(--muted) 8%, var(--surface));
}

.day.today {
  background: var(--today);
  color: var(--bg);
}

.day.has-duty .num {
  font-weight: 700;
}

.day.holiday {
  background: linear-gradient(135deg, var(--surface) 0%, color-mix(in srgb, var(--today) 15%, transparent) 100%);
  border: 1px solid color-mix(in srgb, var(--today) 35%, transparent);
}

/* Today + external calendar: same solid "today" look as weekday, plus a border to show it has external events */
.day.today.holiday {
  background: var(--today);
  color: var(--bg);
  border: 1px solid color-mix(in srgb, var(--bg) 50%, transparent);
}

.day {
  cursor: pointer;
}

.day:focus {
  outline: none;
}

.day:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.day:active {
  transform: scale(0.98);
}

.day-indicator {
  display: flex;
  justify-content: center;
  gap: 2px;
  width: 65%;
  margin-top: 6px;
}

.day-indicator-dot {
  flex: 1;
  height: 5px;
  border-radius: 0;
}

.day-indicator-dot:only-child {
  flex: 0 0 6px;
  height: 6px;
  border-radius: 50%;
}

.day-indicator-dot:first-child:not(:only-child) {
  border-radius: 3px 0 0 3px;
}

.day-indicator-dot:last-child:not(:only-child) {
  border-radius: 0 3px 3px 0;
}

.day-indicator-dot.duty {
  background: var(--duty);
}

.day-indicator-dot.unavailable {
  background: var(--unavailable);
}

.day-indicator-dot.vacation {
  background: var(--vacation);
}

.day-indicator-dot.events {
  background: var(--accent);
}

/* On "today" cell: dots darkened for contrast on --today background */
.day.today .day-indicator-dot.duty {
  background: color-mix(in srgb, var(--duty) 65%, var(--bg));
}
.day.today .day-indicator-dot.unavailable {
  background: color-mix(in srgb, var(--unavailable) 65%, var(--bg));
}
.day.today .day-indicator-dot.vacation {
  background: color-mix(in srgb, var(--vacation) 65%, var(--bg));
}
.day.today .day-indicator-dot.events {
  background: color-mix(in srgb, var(--accent) 65%, var(--bg));
}