.calendar-month-picker {
  min-width: 190px;
  min-height: 38px;
  display: inline-flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 18px;
  font-weight: 800;
}

.calendar-month-picker:hover,
.calendar-month-picker[aria-expanded="true"] {
  border-color: var(--line);
  background: var(--surface-alt);
}

.calendar-head {
  position: relative;
}

.calendar-month-menu {
  position: absolute;
  z-index: 20;
  top: calc(100% + 8px);
  left: 50%;
  width: min(360px, calc(100vw - 32px));
  display: grid;
  gap: 10px;
  transform: translateX(-50%);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--surface);
  box-shadow: 0 18px 50px rgba(23, 32, 38, 0.2);
}

.calendar-year-head {
  display: grid;
  grid-template-columns: 36px 1fr 36px;
  gap: 8px;
  align-items: center;
}

.calendar-year-head strong {
  min-width: 0;
  text-align: center;
  font-size: 16px;
}

.calendar-month-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.calendar-month-list button,
.calendar-today-button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 8px;
  background: var(--surface);
  color: var(--ink);
  font-weight: 700;
}

.calendar-month-list button:hover,
.calendar-today-button:hover {
  border-color: var(--teal);
  background: var(--surface-alt);
}

.calendar-month-list button.active {
  border-color: var(--teal);
  background: var(--teal);
  color: #fff;
}

.calendar-today-button {
  width: 100%;
}

@media (max-width: 520px) {
  .calendar-head {
    gap: 6px;
  }

  .calendar-month-picker {
    min-width: 150px;
    font-size: 15px;
  }

  .calendar-month-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}