.activity-form .activity-form__recurrence-fields[hidden] {
  display: none !important;
}

.activity-form .activity-form__recurrence-fields {
  width: 100%;
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  align-items: start;
  gap: .5rem;
}

.activity-form .activity-form__recurrence-fields > .field {
  width: 100% !important;
  min-width: 0;
  max-width: none;
  flex: none !important;
}

.activity-form .activity-form__recurrence-fields > .field:has([name="recurrence_frequency"]) {
  grid-column: 1;
}

.activity-form .activity-form__recurrence-fields > .field:has([name="recurrence_interval"]) {
  grid-column: 2;
}

.activity-form .activity-form__recurrence-fields > .field:has([name="recurrence_end_date"]) {
  grid-column: 1 / -1;
}

.activity-form .activity-form__recurrence-fields > .field > input:not([type="checkbox"]),
.activity-form .activity-form__recurrence-fields > .field > select,
.activity-form .activity-form__recurrence-fields > .field > .activity-picker-control,
.activity-form .activity-form__recurrence-fields > .field .activity-picker-trigger {
  width: 100% !important;
  min-width: 0;
  max-width: none;
}

.activity-form .activity-form__recurrence-fields > .field:has([name="recurrence_interval"]) > label {
  position: relative;
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  cursor: help;
}

.activity-form .activity-form__recurrence-fields > .field:has([name="recurrence_interval"]) > label::after {
  content: "i";
  width: 16px;
  height: 16px;
  display: inline-grid;
  place-items: center;
  border: 1px solid #bfd3da;
  border-radius: 50%;
  background: #fff;
  color: #6b8791;
  font-size: .65rem;
  font-weight: 900;
  line-height: 1;
}

.activity-form .activity-form__recurrence-fields > .field:has([name="recurrence_interval"]) > label::before {
  content: "예: 2 = 격주/격월";
  position: absolute;
  z-index: 90;
  left: 0;
  bottom: calc(100% + .48rem);
  width: max-content;
  max-width: 180px;
  padding: .42rem .55rem;
  border: 1px solid #d7e5e9;
  border-radius: 8px;
  background: #405e68;
  color: #fff;
  box-shadow: 0 8px 20px rgba(49, 78, 88, .16);
  font-size: .68rem;
  font-weight: 650;
  line-height: 1.4;
  opacity: 0;
  visibility: hidden;
  transform: translateY(3px);
  transition: opacity .14s ease, transform .14s ease, visibility .14s ease;
  pointer-events: none;
}

.activity-form .activity-form__recurrence-fields > .field:has([name="recurrence_interval"]) > label:hover::before,
.activity-form .activity-form__recurrence-fields > .field:has([name="recurrence_interval"]):focus-within > label::before {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.activity-form .activity-form__recurrence-fields > .field:has([name="recurrence_interval"]) > .field-help {
  display: none;
}

@media (max-width: 899px) {
  .activity-detail-hero {
    gap: .8rem;
    padding: .95rem;
  }

  .activity-detail__header {
    gap: .65rem;
  }

  .activity-detail__summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .5rem;
  }

  .activity-detail__meta {
    min-height: 54px;
    padding: .5rem .62rem;
  }

  .activity-detail__meta-body {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: .42rem;
  }

  .activity-detail__meta-value {
    padding-left: .58rem;
  }

  .activity-detail__participation-panel {
    width: 100%;
    margin-left: 0;
  }

  .activity-detail__utility-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .activity-detail__utility-actions .button {
    width: 100%;
  }
}

@media (max-width: 639px) {
  .activity-form-page-header {
    margin-bottom: .18rem;
  }

  .activity-form-notice {
    margin-bottom: .45rem;
    padding: .58rem .68rem;
    font-size: .76rem;
  }

  .activity-form {
    padding: .72rem;
    border-radius: 14px;
  }

  .activity-form__section {
    gap: .68rem;
    padding-bottom: .78rem;
  }

  .activity-form__section + .activity-form__section {
    padding-top: .78rem;
  }

  .activity-form__section-title {
    font-size: .96rem;
  }

  .activity-form__basic-grid,
  .activity-form__location-row,
  .activity-form__notice-grid,
  .activity-form__schedule-row,
  .activity-form__participation-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .activity-form__cluster {
    gap: .5rem;
  }

  .activity-form input:not([type="checkbox"]):not([type="hidden"]),
  .activity-form textarea,
  .activity-form select,
  .activity-picker-trigger {
    min-height: 42px;
    font-size: .88rem;
  }

  .activity-form textarea,
  .activity-form__textarea--description {
    min-height: 88px;
  }

  .activity-form__toggle,
  .activity-form__toggle--compact {
    width: 100%;
    min-height: 42px;
  }

  .activity-date-picker {
    width: min(100%, calc(100vw - 2rem));
    padding: .62rem;
  }

  .activity-date-picker__footer--single,
  .activity-time-picker__row {
    grid-template-columns: minmax(0, 1fr);
  }

  .activity-time-picker__controls {
    flex-wrap: wrap;
  }

  .activity-form .activity-time-picker__select {
    width: 68px;
    min-height: 38px;
  }

  .activity-form__actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: .5rem;
  }

  .activity-form__actions .button {
    width: 100%;
    min-height: 42px;
  }

  .activity-detail-hero {
    gap: .7rem;
    padding: .85rem;
  }

  .activity-detail__header {
    align-items: flex-start;
  }

  .activity-detail__header .status-badge {
    flex: 0 0 auto;
    min-height: 28px;
    padding: .22rem .55rem;
    font-size: .74rem;
  }

  .activity-detail__title-group {
    gap: .24rem;
  }

  .activity-detail__summary {
    grid-template-columns: minmax(0, 1fr);
    gap: .46rem;
  }

  .activity-detail__meta {
    min-height: 52px;
    padding: .48rem .58rem;
    border-radius: 12px;
  }

  .activity-detail__meta-icon {
    width: 32px;
    height: 32px;
    border-radius: 9px;
  }

  .activity-detail__meta-body {
    grid-template-columns: 48px minmax(0, 1fr);
  }

  .activity-detail__meta-label {
    font-size: .7rem;
  }

  .activity-detail__meta-value {
    padding-left: .52rem;
    font-size: .84rem;
  }

  .activity-detail__participation-panel {
    gap: .5rem;
    padding: .62rem;
    border-radius: 13px;
  }

  .activity-detail__participation-overview {
    padding: .7rem .72rem;
  }

  .activity-detail__overview-deadline {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .activity-detail__overview-deadline-date {
    justify-self: end;
    text-align: right;
  }

  .activity-detail__participation-button {
    min-height: 44px;
  }

  .activity-detail__utility-actions {
    grid-template-columns: minmax(0, 1fr);
    gap: .42rem;
  }

  .activity-detail__utility-actions .button {
    min-height: 42px;
  }

  .activity-participants-dialog__summary {
    align-items: flex-start;
  }

  .activity-participants-dialog__list .participant-person {
    padding: .65rem .55rem;
  }

  .activity-detail__management {
    gap: .65rem;
    padding-top: .75rem;
  }

  .activity-detail__cancel-schedule {
    width: 100%;
  }
}

@media (max-width: 430px) {
  .activity-form {
    padding: .65rem;
  }

  .activity-form .activity-form__recurrence-fields {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .activity-form .activity-form__recurrence-fields > .field:has([name="recurrence_frequency"]),
  .activity-form .activity-form__recurrence-fields > .field:has([name="recurrence_interval"]),
  .activity-form .activity-form__recurrence-fields > .field:has([name="recurrence_end_date"]) {
    grid-column: 1;
  }

  .activity-date-picker {
    width: min(100%, calc(100vw - 1.5rem));
  }

  .activity-detail-hero {
    padding: .78rem;
  }

  .activity-detail__overview-deadline {
    grid-template-columns: minmax(0, 1fr);
    gap: .14rem;
  }

  .activity-detail__overview-deadline-date {
    justify-self: start;
    text-align: left;
  }
}