.activity-form-page-header {
  margin-bottom: 0.35rem;
}

.activity-form-notice {
  margin-bottom: 0.55rem;
  padding: 0.58rem 0.75rem;
  border-left-width: 3px;
  border-radius: 10px;
  font-size: 0.78rem;
  line-height: 1.45;
}

.activity-form {
  gap: 0;
  padding: 0.8rem 0.9rem;
  border-color: #dcebee;
  background: #fff;
  box-shadow: 0 8px 24px rgba(82, 128, 145, 0.06);
}

.activity-form__section {
  min-width: 0;
  display: grid;
  gap: 0.75rem;
  padding: 0.2rem 0 0.85rem;
}

.activity-form__section + .activity-form__section {
  padding-top: 0.85rem;
  border-top: 1px solid #e6eff2;
}

.activity-form__section-heading {
  display: flex;
  align-items: center;
  min-height: 28px;
}

.activity-form__section-title {
  color: var(--forest-900);
  font-size: 1rem;
  line-height: 1.3;
  letter-spacing: -0.015em;
}

.activity-form__basic-grid,
.activity-form__location-row,
.activity-form__notice-grid {
  display: grid;
  gap: 0.65rem;
}

.activity-form__cluster {
  min-width: 0;
  display: grid;
  gap: 0.55rem;
  padding-top: 0.05rem;
}

.activity-form__cluster + .activity-form__cluster {
  padding-top: 0.7rem;
  border-top: 1px dashed #e2ecef;
}

.activity-form__cluster-title {
  color: #6c8993;
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.035em;
}

.activity-form__schedule-row,
.activity-form__participation-row,
.activity-form__recurrence-fields {
  min-width: 0;
  display: grid;
  gap: 0.6rem;
  align-items: end;
}

.activity-form .field {
  gap: 0.28rem;
}

.activity-form .field > label,
.activity-form .field-label {
  color: #486873;
  font-size: 0.82rem;
  font-weight: 800;
}

.activity-form input:not([type="checkbox"]):not([type="hidden"]),
.activity-form textarea,
.activity-form select,
.activity-picker-trigger {
  min-height: 38px;
  border: 1px solid #d6e5ea;
  border-radius: 10px;
  padding: 0.48rem 0.65rem;
  background: #fff;
  color: var(--ink);
  font-size: 0.89rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.activity-form input:not([type="checkbox"]):not([type="hidden"]):hover,
.activity-form textarea:hover,
.activity-form select:hover,
.activity-picker-trigger:hover {
  border-color: #bfd7df;
}

.activity-form input:not([type="checkbox"]):not([type="hidden"]):focus,
.activity-form textarea:focus,
.activity-form select:focus,
.activity-picker-trigger:focus-visible {
  border-color: #9fc8d6;
  outline: none;
  box-shadow: 0 0 0 3px rgba(159, 200, 214, 0.16);
}

.activity-form select {
  appearance: none;
  padding-right: 2rem;
  background-image:
    linear-gradient(45deg, transparent 50%, #72909a 50%),
    linear-gradient(135deg, #72909a 50%, transparent 50%);
  background-position:
    calc(100% - 14px) calc(50% - 2px),
    calc(100% - 9px) calc(50% - 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

.activity-form textarea {
  min-height: 76px;
  resize: vertical;
  line-height: 1.55;
}

.activity-form__textarea--description {
  min-height: 82px;
}

.activity-form .field-help,
.activity-form .field-error {
  min-height: 0;
  font-size: 0.73rem;
  line-height: 1.35;
}

.activity-form .field-error:empty {
  display: none;
}

.activity-form__toggle {
  width: fit-content;
  max-width: 100%;
  min-height: 38px;
  align-items: center;
  gap: 0.48rem;
  padding: 0.45rem 0.62rem;
  border: 1px solid #e0ebee;
  border-radius: 10px;
  background: #f8fbfc;
  color: #526f79;
  font-size: 0.83rem;
}

.activity-form__toggle input {
  margin-top: 0;
}

.activity-form__toggle--compact {
  width: 100%;
  justify-content: flex-start;
  padding-block: 0.42rem;
}

.activity-form__repeat-toggle {
  align-self: end;
  white-space: nowrap;
}

.activity-form__repeat-toggle .small {
  font-size: 0.72rem;
}

.activity-form__recurrence-fields {
  margin: 0;
  padding: 0.62rem;
  border: 1px solid #dfebee;
  border-radius: 11px;
  background: #f9fcfd;
}

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

.activity-form__actions {
  margin-top: 0;
  padding: 0.7rem 0 0;
  border-top: 1px solid #e6eff2;
}

.activity-form__actions .button {
  min-height: 39px;
  border-radius: 10px;
  padding: 0.52rem 0.85rem;
}

.activity-picker-control {
  position: relative;
  min-width: 0;
}

.activity-picker-control:has(.activity-picker-input[aria-invalid="true"]) .activity-picker-trigger {
  border-color: var(--danger);
}

.activity-picker-trigger {
  width: 100%;
  display: grid;
  grid-template-columns: 17px minmax(0, 1fr) 14px;
  align-items: center;
  gap: 0.45rem;
  text-align: left;
  cursor: pointer;
}

.activity-picker-trigger__icon {
  position: relative;
  display: grid;
  place-items: center;
  width: 16px;
  height: 16px;
  border: 1.5px solid #7799a4;
  border-radius: 4px;
}

.activity-picker-trigger__icon::before,
.activity-picker-trigger__icon::after {
  content: "";
  position: absolute;
}

.activity-picker-trigger__icon::before {
  left: 2px;
  right: 2px;
  top: 4px;
  border-top: 1.5px solid #7799a4;
}

.activity-picker-trigger__icon::after {
  width: 7px;
  height: 2px;
  top: -2px;
  border-left: 1.5px solid #7799a4;
  border-right: 1.5px solid #7799a4;
}

.activity-picker-trigger__value {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.activity-picker-trigger__value--placeholder {
  color: #8c9da3;
}

.activity-picker-trigger__chevron {
  color: #75919b;
  font-size: 0.9rem;
  line-height: 1;
}

.activity-date-picker {
  position: absolute;
  z-index: 70;
  top: calc(100% + 0.38rem);
  left: 0;
  width: min(322px, calc(100vw - 2.8rem));
  padding: 0.68rem;
  border: 1px solid #d6e5ea;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 16px 38px rgba(53, 91, 105, 0.16);
}

.activity-date-picker[hidden] {
  display: none;
}

.activity-date-picker__header {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) 32px;
  align-items: center;
  gap: 0.3rem;
  margin-bottom: 0.4rem;
}

.activity-date-picker__title {
  color: #405f69;
  font-size: 0.89rem;
  text-align: center;
}

.activity-date-picker__nav {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: #67858f;
  font-size: 1.3rem;
  cursor: pointer;
}

.activity-date-picker__nav:hover,
.activity-date-picker__nav:focus-visible {
  background: #eef6f8;
  color: #496c78;
  outline: none;
}

.activity-date-picker__weekdays,
.activity-date-picker__days {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.activity-date-picker__weekdays {
  margin-bottom: 0.12rem;
}

.activity-date-picker__weekdays span {
  padding: 0.22rem 0;
  color: #8ba0a7;
  font-size: 0.66rem;
  font-weight: 800;
  text-align: center;
}

.activity-date-picker__days {
  gap: 2px;
}

.activity-date-picker__blank,
.activity-date-picker__day {
  min-width: 0;
  aspect-ratio: 1;
}

.activity-date-picker__day {
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: #4d666f;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
}

.activity-date-picker__day:hover,
.activity-date-picker__day:focus-visible {
  background: #edf6f8;
  color: #355d6b;
  outline: none;
}

.activity-date-picker__day--today {
  box-shadow: inset 0 0 0 1px #b9d7e1;
}

.activity-date-picker__day--selected,
.activity-date-picker__day--selected:hover,
.activity-date-picker__day--selected:focus-visible {
  background: #cfe6ed;
  color: #355d68;
  font-weight: 900;
  box-shadow: none;
}

.activity-date-picker__footer {
  display: grid;
  gap: 0.58rem;
  margin-top: 0.58rem;
  padding-top: 0.58rem;
  border-top: 1px solid #e6eff2;
}

.activity-date-picker__footer--single {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
}

.activity-date-picker__done {
  min-height: 34px;
  padding: 0.4rem 0.7rem;
  border-radius: 9px;
  font-size: 0.8rem;
}

.activity-time-picker__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

.activity-time-picker {
  min-width: 0;
  display: grid;
  gap: 0.28rem;
}

.activity-time-picker__label {
  color: #5b7781;
  font-size: 0.72rem;
  font-weight: 850;
}

.activity-time-picker__controls {
  display: flex;
  align-items: center;
  gap: 0.22rem;
  min-width: 0;
}

.activity-form .activity-time-picker__select {
  width: 54px;
  min-height: 34px;
  padding: 0.36rem 1.15rem 0.36rem 0.45rem;
  border-radius: 8px;
  font-size: 0.8rem;
  background-position:
    calc(100% - 9px) calc(50% - 2px),
    calc(100% - 5px) calc(50% - 2px);
  background-size: 4px 4px, 4px 4px;
}

.activity-time-picker__colon {
  color: #78919a;
  font-size: 0.8rem;
  font-weight: 800;
}

.activity-time-picker__clear {
  min-height: 30px;
  margin-left: 0.15rem;
  padding: 0.3rem 0.45rem;
  border: 1px solid #dce9ed;
  border-radius: 8px;
  background: #f7fafb;
  color: #708991;
  font-size: 0.7rem;
  font-weight: 800;
  cursor: pointer;
}

.activity-time-picker__clear:hover {
  background: #eef6f8;
}

@media (min-width: 640px) {
  .activity-form {
    padding: 0.95rem 1rem;
  }

  .activity-form__basic-grid,
  .activity-form__location-row,
  .activity-form__notice-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .activity-form__basic-grid {
    grid-template-columns: minmax(180px, 0.7fr) minmax(0, 1.7fr);
  }

  .activity-form__schedule-row {
    grid-template-columns: minmax(260px, 1.35fr) minmax(230px, 1fr) auto;
  }

  .activity-form__participation-row {
    grid-template-columns: minmax(110px, 0.7fr) minmax(120px, 0.8fr) minmax(180px, 1.2fr) minmax(150px, 0.9fr);
  }

  .activity-form__recurrence-fields {
    grid-template-columns: minmax(150px, 0.8fr) minmax(130px, 0.7fr) minmax(220px, 1.1fr);
  }

  .activity-form__field--select select {
    max-width: none;
  }

  .activity-form__field--number input {
    max-width: none;
  }

  .activity-form__notice-grid .activity-form__textarea {
    min-height: 78px;
  }

  .activity-form__actions .button {
    min-width: 108px;
  }
}

@media (min-width: 900px) {
  .activity-form__section {
    gap: 0.68rem;
  }

  .activity-form__cluster + .activity-form__cluster {
    padding-top: 0.62rem;
  }

  .activity-form__description-field textarea {
    min-height: 76px;
  }
}

@media (max-width: 639px) {
  .activity-form-page-header {
    margin-bottom: 0.2rem;
  }

  .activity-form {
    padding-inline: 0.75rem;
  }

  .activity-form__schedule-row,
  .activity-form__participation-row,
  .activity-form__recurrence-fields {
    grid-template-columns: 1fr;
  }

  .activity-form__repeat-toggle {
    width: 100%;
  }

  .activity-date-picker {
    left: 50%;
    transform: translateX(-50%);
  }

  .activity-date-picker__footer--single {
    grid-template-columns: 1fr auto;
  }
}