/* musu-datetime-picker — V4 */
.musu-datetime {
  width: 100%;
  max-width: 100%;
}
.musu-datetime-label {
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--ink-2);
  margin-bottom: 6px;
}
.musu-datetime-control .musu-datetime-display {
  font-size: 16px;
  letter-spacing: 1px;
  background: var(--sou-paper);
  border-color: var(--line);
  min-height: 44px;
}
.musu-datetime-trigger {
  min-width: 44px;
  min-height: 44px;
  border-color: var(--line);
  background: var(--sou-paper-2);
  color: var(--ink-2);
}
.musu-datetime-trigger:hover {
  background: var(--sou-paper);
  color: var(--shin-shu-deep);
}
.musu-datetime-hint {
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--ink-3);
  margin-top: 4px;
}
.musu-datetime.is-invalid .musu-datetime-display {
  border-color: var(--shin-shu-deep);
}
.musu-datetime-error {
  font-size: 12px;
  color: var(--shin-shu-deep);
  margin-top: 4px;
}

.musu-dt-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(26, 23, 20, 0.35);
  z-index: 1040;
}
.musu-dt-panel {
  z-index: 1045;
  background: var(--sou-white);
  border: 1px solid var(--line);
  box-shadow: 0 12px 40px rgba(26, 23, 20, 0.12);
  font-size: 14px;
  color: var(--ink-1);
}
.musu-dt-panel--popover {
  position: absolute;
  left: 0;
  top: calc(100% + 6px);
  width: min(360px, calc(100vw - 32px));
  border-radius: 4px;
}
.musu-dt-panel--sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  max-height: 85vh;
  border-radius: 12px 12px 0 0;
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform 0.25s ease;
}
.musu-dt-panel--sheet.is-open {
  transform: translateY(0);
}
.musu-dt-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}
.musu-dt-panel-title {
  font-size: 14px;
  letter-spacing: 3px;
}
.musu-dt-panel-body {
  padding: 12px 16px 8px;
  overflow: auto;
}
.musu-dt-panel-foot {
  display: flex;
  gap: 8px;
  padding: 12px 16px 16px;
  border-top: 1px solid var(--line);
}
.musu-dt-panel-foot .btn {
  flex: 1;
  min-height: 44px;
}

.musu-dt-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}
.musu-dt-nav-btn {
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--line);
  background: var(--sou-paper);
  color: var(--ink-2);
  border-radius: 4px;
  line-height: 1;
}
.musu-dt-year-select,
.musu-dt-month-label {
  font-size: 15px;
  letter-spacing: 2px;
  border: 1px solid var(--line);
  background: var(--sou-paper);
  color: var(--ink-1);
  padding: 8px 10px;
  border-radius: 4px;
  min-height: 44px;
}
.musu-dt-year-select {
  max-width: 110px;
}
.musu-dt-month-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  justify-content: center;
}

.musu-dt-weekdays,
.musu-dt-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  text-align: center;
}
.musu-dt-weekdays span {
  font-size: 11px;
  color: var(--sou-gold-deep);
  padding: 4px 0;
}
.musu-dt-day {
  min-height: 44px;
  border: none;
  background: transparent;
  color: var(--ink-1);
  border-radius: 4px;
  font-size: 14px;
}
.musu-dt-day:hover {
  background: var(--sou-paper-2);
}
.musu-dt-day.is-other {
  color: var(--ink-4);
}
.musu-dt-day.is-today {
  box-shadow: inset 0 0 0 1px var(--sou-gold);
}
.musu-dt-day.is-selected {
  background: var(--shin-shu);
  color: #fff;
}
.musu-dt-day:disabled {
  opacity: 0.35;
  pointer-events: none;
}

.musu-dt-time {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}
.musu-dt-time-col label {
  display: block;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--sou-gold-deep);
  margin-bottom: 6px;
  text-align: center;
}
.musu-dt-time-list {
  max-height: 160px;
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--sou-paper);
}
.musu-dt-time-item {
  display: block;
  width: 100%;
  min-height: 40px;
  border: none;
  background: transparent;
  font-size: 16px;
  letter-spacing: 1px;
}
.musu-dt-time-item.is-selected {
  background: var(--shin-shu-soft);
  color: var(--shin-shu-deep);
  font-weight: 600;
}

body.musu-dt-scroll-lock {
  overflow: hidden;
}