/*
 * month-calendar：構造と動きだけ
 * 受ける変数：--part-cal-cell（日の高さ）/ --part-cal-sun / --part-cal-sat（日曜・土曜の文字色）
 *   --part-cal-mark（予定の印）/ --part-cal-today（今日の輪）/ --part-cal-selected-bg / --part-cal-selected-fg
 *   --part-radius / --part-fg / --part-muted / --part-bg / --part-surface / --part-line / --part-accent / --part-focus
 * 予定の種類ごとの色は [data-kind="配信"] などで各サイトが当てる
 */
.part-month-calendar {
  min-width: 0;
  color: var(--part-fg, #222);
}

.part-month-calendar__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.part-month-calendar__title {
  margin: 0;
  font-size: 1.1em;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.part-month-calendar__nav {
  position: relative;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--part-line, #d0d0d0);
  border-radius: 50%;
  background: var(--part-bg, #fff);
  color: inherit;
  cursor: pointer;
}

.part-month-calendar__nav::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 9px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
}

.part-month-calendar__nav--prev::before {
  transform: translate(-30%, -50%) rotate(-135deg);
}

.part-month-calendar__nav--next::before {
  transform: translate(-70%, -50%) rotate(45deg);
}

.part-month-calendar__nav:hover {
  background: var(--part-surface, #f2f2f2);
}

.part-month-calendar__grid {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.part-month-calendar__grid th {
  padding: 6px 0;
  color: var(--part-muted, #666);
  font-size: 0.8em;
  font-weight: 400;
  text-align: center;
}

.part-month-calendar__grid th.is-sun,
.part-month-calendar__grid td.is-sun .part-month-calendar__num {
  color: var(--part-cal-sun, #b3261e);
}

.part-month-calendar__grid th.is-sat,
.part-month-calendar__grid td.is-sat .part-month-calendar__num {
  color: var(--part-cal-sat, #1d5fa8);
}

.part-month-calendar__grid td {
  padding: 2px;
  border-top: 1px solid var(--part-line, #e2e2e2);
  vertical-align: top;
}

.part-month-calendar__grid td.is-outside {
  background: transparent;
}

.part-month-calendar__day {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 4px;
  width: 100%;
  min-height: var(--part-cal-cell, 52px);
  padding: 6px 0 4px;
  border: 0;
  border-radius: var(--part-radius, 8px);
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
  transition: background-color 0.2s;
}

.part-month-calendar__day:hover {
  background: var(--part-surface, #f4f4f4);
}

.part-month-calendar__num {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 0.9em;
  font-variant-numeric: tabular-nums;
}

.part-month-calendar__grid td.is-today .part-month-calendar__num {
  box-shadow: inset 0 0 0 2px var(--part-cal-today, var(--part-accent, #333));
  font-weight: 700;
}

.part-month-calendar__day[aria-pressed="true"] {
  background: var(--part-cal-selected-bg, var(--part-surface, #ececec));
  color: var(--part-cal-selected-fg, inherit);
}

.part-month-calendar__day:focus-visible,
.part-month-calendar__nav:focus-visible,
.part-month-calendar__add-link:focus-visible {
  outline: 2px solid var(--part-focus, #1a1a1a);
  outline-offset: 1px;
}

.part-month-calendar__marks {
  display: flex;
  gap: 3px;
}

.part-month-calendar__mark {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--part-cal-mark, var(--part-accent, #333));
}

.part-month-calendar__panel {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: var(--part-radius, 8px);
  background: var(--part-surface, #f6f6f6);
}

.part-month-calendar__panel p {
  margin: 0;
}

.part-month-calendar__hint {
  color: var(--part-muted, #666);
  font-size: 0.9em;
}

.part-month-calendar__day-title {
  font-weight: 700;
}

.part-month-calendar__events {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.part-month-calendar__event + .part-month-calendar__event {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--part-line, #e0e0e0);
}

.part-month-calendar__event-time {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 10px;
  color: var(--part-muted, #555);
  font-size: 0.85em;
  font-variant-numeric: tabular-nums;
}

.part-month-calendar__kind {
  padding: 0 8px;
  border: 1px solid var(--part-line, #cfcfcf);
  border-radius: 999px;
  font-size: 0.92em;
}

.part-month-calendar__event-title {
  margin-top: 2px !important;
  font-weight: 700;
}

.part-month-calendar__event-title a {
  color: inherit;
}

.part-month-calendar__local,
.part-month-calendar__note {
  margin-top: 2px !important;
  color: var(--part-muted, #555);
  font-size: 0.85em;
}

.part-month-calendar__add {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px !important;
}

.part-month-calendar__add-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 4px 14px;
  border: 1px solid var(--part-line, #cfcfcf);
  border-radius: 999px;
  background: var(--part-bg, #fff);
  color: inherit;
  font: inherit;
  font-size: 0.82em;
  text-decoration: none;
  cursor: pointer;
}

.part-month-calendar__add-link:hover {
  border-color: var(--part-accent, #333);
}

.part-month-calendar[data-part-motion="reduce"] *,
.part-month-calendar[data-part-motion="reduce"] *::before {
  transition: none !important;
  animation: none !important;
}