/*
  Calendar (month view) — estilo Untitled UI.
  Uso:
  <div class="calendar">
    <header class="calendar__toolbar">
      <div class="calendar__leading">
        <div class="calendar-date" aria-hidden="true">
          <span class="calendar-date__month">JAN</span>
          <span class="calendar-date__day">8</span>
        </div>
        <div class="calendar__heading">
          <h2 class="calendar__title">Janeiro 2027</h2>
          <p class="calendar__range">1 jan 2027 – 31 jan 2027</p>
        </div>
      </div>
      <div class="calendar__actions">
        <div class="calendar__nav">
          <button type="button" class="calendar__nav-btn" aria-label="Anterior">
            <span class="material-symbols-rounded sm">chevron_left</span>
          </button>
          <button type="button" class="calendar__nav-today">Hoje</button>
          <button type="button" class="calendar__nav-btn" aria-label="Próximo">
            <span class="material-symbols-rounded sm">chevron_right</span>
          </button>
        </div>
      </div>
    </header>

    <div class="calendar__weekdays">
      <div class="calendar__weekday">Dom</div>
      …
    </div>

    <div class="calendar__grid">
      <div class="calendar__day">
        <span class="calendar__day-num">1</span>
        <div class="calendar__events">
          <button type="button" class="calendar-event calendar-event--gray">
            <span class="calendar-event__title">Standup</span>
            <span class="calendar-event__time">9:00</span>
          </button>
          <button type="button" class="calendar__more">2 more…</button>
        </div>
      </div>
      <div class="calendar__day calendar__day--today">…</div>
      <div class="calendar__day calendar__day--outside">…</div>
    </div>
  </div>
*/

.calendar {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--color-neutral-200);
  border-radius: 12px;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  box-sizing: border-box;
}

/* ——— Toolbar ——— */
.calendar__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
  padding: var(--spacing-5) var(--spacing-6);
  border-bottom: 1px solid var(--color-neutral-200);
  box-sizing: border-box;
}

.calendar__leading {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  min-width: 0;
}

/* Mini card de data (mês + dia) */
.calendar-date {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  width: 3.25rem;
  overflow: hidden;
  border: 1px solid var(--color-neutral-200);
  border-radius: 10px;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  box-sizing: border-box;
}

.calendar-date__month {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-1) var(--spacing-2);
  border-bottom: 1px solid var(--color-neutral-200);
  background: var(--color-neutral-50);
  color: var(--color-neutral-600);
  font-size: var(--font-size-text-xs);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.calendar-date__day {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2) var(--spacing-1) var(--spacing-3);
  color: var(--color-brand-600);
  font-size: var(--font-size-display-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
}

.calendar__heading {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
  min-width: 0;
}

.calendar__title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-2);
}

.calendar__title {
  margin: 0;
  color: var(--color-neutral-900);
  font-size: var(--font-size-display-xs);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-display-xs);
}

.calendar__badge {
  display: inline-flex;
  align-items: center;
  height: 1.375rem;
  padding: 0 var(--spacing-2);
  border: 1px solid var(--color-neutral-200);
  border-radius: 6px;
  background: var(--color-white);
  color: var(--color-neutral-600);
  font-size: var(--font-size-text-xs);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  white-space: nowrap;
}

.calendar__range {
  margin: 0;
  color: var(--color-neutral-600);
  font-size: var(--font-size-text-sm);
  font-weight: var(--font-weight-regular);
  line-height: 1.25rem;
}

.calendar__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-3);
}

.calendar__icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--color-neutral-500);
  cursor: pointer;
}

.calendar__icon-btn:hover {
  background: var(--color-neutral-50);
  color: var(--color-neutral-700);
}

.calendar__nav {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--color-neutral-300);
  border-radius: 8px;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.calendar__nav-btn,
.calendar__nav-today {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.5rem;
  padding: 0 var(--spacing-3);
  border: none;
  background: var(--color-white);
  color: var(--color-neutral-700);
  font-size: var(--font-size-text-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1.25rem;
  cursor: pointer;
}

.calendar__nav-btn {
  width: 2.5rem;
  padding: 0;
  color: var(--color-neutral-500);
}

.calendar__nav-today {
  border-left: 1px solid var(--color-neutral-300);
  border-right: 1px solid var(--color-neutral-300);
}

.calendar__nav-btn:hover,
.calendar__nav-today:hover {
  background: var(--color-neutral-50);
  color: var(--color-neutral-900);
}

/* ——— Weekdays ——— */
.calendar__weekdays {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  border-bottom: 1px solid var(--color-neutral-200);
  background: var(--color-white);
}

.calendar__weekday {
  padding: var(--spacing-3) var(--spacing-3);
  color: var(--color-neutral-600);
  font-size: var(--font-size-text-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1.25rem;
  text-align: left;
  box-sizing: border-box;
}

/* ——— Month grid ——— */
.calendar__grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  grid-auto-rows: minmax(7.5rem, auto);
  background: var(--color-neutral-200);
  gap: 1px;
  border-top: 1px solid var(--color-neutral-200);
}

.calendar__day {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
  min-width: 0;
  min-height: 7.5rem;
  padding: var(--spacing-2);
  background: var(--color-white);
  box-sizing: border-box;
}

.calendar__day--outside {
  background: var(--color-neutral-50);
}

.calendar__day--outside .calendar__day-num {
  color: var(--color-neutral-400);
}

.calendar__day-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  flex-shrink: 0;
  margin-bottom: var(--spacing-1);
  border-radius: 999px;
  color: var(--color-neutral-700);
  font-size: var(--font-size-text-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1;
}

.calendar__day--today .calendar__day-num {
  background: var(--color-brand-600);
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
}

.calendar__events {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}

/* ——— Event chips ——— */
.calendar-event {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-1);
  width: 100%;
  min-width: 0;
  margin: 0;
  padding: 2px var(--spacing-2);
  border: none;
  border-radius: 4px;
  background: var(--color-neutral-100);
  color: var(--color-neutral-700);
  font-size: var(--font-size-text-xs);
  font-weight: var(--font-weight-medium);
  line-height: 1.25rem;
  text-align: left;
  cursor: pointer;
  box-sizing: border-box;
}

.calendar-event:hover {
  filter: brightness(0.97);
}

.calendar-event__dot {
  flex-shrink: 0;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  background: currentColor;
}

.calendar-event__title {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.calendar-event__time {
  flex-shrink: 0;
  opacity: 0.85;
  font-weight: var(--font-weight-regular);
  white-space: nowrap;
}

.calendar-event--gray {
  background: var(--color-neutral-100);
  color: var(--color-neutral-700);
}

.calendar-event--pink {
  background: var(--color-pink-50);
  color: var(--color-pink-700);
}

.calendar-event--rose {
  background: var(--color-rose-50);
  color: var(--color-rose-700);
}

.calendar-event--blue {
  background: var(--color-blue-50);
  color: var(--color-blue-700);
}

.calendar-event--indigo {
  background: var(--color-indigo-50);
  color: var(--color-indigo-700);
}

.calendar-event--purple {
  background: var(--color-purple-50);
  color: var(--color-purple-700);
}

.calendar-event--green {
  background: var(--color-green-50);
  color: var(--color-green-700);
}

.calendar-event--orange {
  background: var(--color-orange-50);
  color: var(--color-orange-700);
}

.calendar-event--yellow {
  background: var(--color-yellow-50);
  color: var(--color-yellow-700);
}

.calendar-event--brand {
  background: var(--color-brand-50);
  color: var(--color-brand-700);
}

/* Variante com borda (estilo “outlined” da referência) */
.calendar-event--outline {
  background: var(--color-white);
  border: 1px solid var(--color-neutral-200);
  color: var(--color-neutral-700);
}

.calendar__more {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  margin: 0;
  padding: 0 var(--spacing-1);
  border: none;
  background: transparent;
  color: var(--color-neutral-600);
  font-size: var(--font-size-text-xs);
  font-weight: var(--font-weight-medium);
  line-height: 1.25rem;
  cursor: pointer;
}

.calendar__more:hover {
  color: var(--color-neutral-900);
  text-decoration: underline;
}

/* ——— Responsivo ——— */
@media (max-width: 1024px) {
  .calendar__grid {
    grid-auto-rows: minmax(6.5rem, auto);
  }

  .calendar__day {
    min-height: 6.5rem;
  }

  .calendar-event__time {
    display: none;
  }
}

@media (max-width: 768px) {
  .calendar__toolbar {
    padding: var(--spacing-4);
  }

  .calendar__weekday {
    padding: var(--spacing-2);
    font-size: var(--font-size-text-xs);
  }

  .calendar__grid {
    grid-auto-rows: minmax(5.5rem, auto);
  }

  .calendar__day {
    min-height: 5.5rem;
    padding: var(--spacing-1);
  }

  .calendar__day-num {
    width: 1.5rem;
    height: 1.5rem;
    font-size: var(--font-size-text-xs);
  }
}