.f4k-form-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  width: min(100%, 640px);
  margin: 0 auto 18px;
}

.f4k-form-tabs__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 10px 16px;
  border: 1px solid #c4b5fd;
  border-radius: 8px;
  background: #ffffff;
  color: #4c1d95;
  font-size: 0.95rem;
  font-weight: 800;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

.f4k-form-tabs__link:hover {
  border-color: #6d28d9;
  background: #faf5ff;
}

.f4k-form-tabs__link:focus-visible {
  outline: 3px solid rgba(109, 40, 217, 0.28);
  outline-offset: 2px;
}

.f4k-form-tabs__link:active {
  transform: translateY(1px);
}

.f4k-form-tabs__link.is-active {
  border-color: #6d28d9;
  background: #6d28d9;
  color: #ffffff;
}

.f4k-pwa-action--information {
  white-space: nowrap;
}

.f4k-information-sheet__notice {
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid #c4b5fd;
  border-radius: 8px;
  background: #faf5ff;
  color: #111827;
  font-size: 0.95rem;
  font-weight: 650;
  line-height: 1.6;
}

.f4k-information-sheet__children {
  display: grid;
  gap: 0;
  margin-top: 14px;
}

.f4k-information-sheet__child {
  padding: 22px 0;
  border-top: 1px solid #e5e7eb;
}

.f4k-information-sheet__child:first-child {
  padding-top: 8px;
  border-top: 0;
}

.f4k-information-sheet__child:last-child {
  padding-bottom: 0;
}

.f4k-information-sheet__child-title {
  margin: 0 0 14px;
  color: #111827;
  font-size: 1.05rem;
  font-weight: 850;
  line-height: 1.35;
}

.f4k-information-sheet__route {
  margin-top: 16px;
  padding-top: 18px;
  border-top: 1px solid #e5e7eb;
}

.f4k-information-sheet__subsection {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid #e5e7eb;
}

.f4k-information-sheet__fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.f4k-information-sheet__fieldset legend {
  display: block;
  width: 100%;
  margin: 0 0 8px;
  padding: 0;
  color: #111827;
  font-size: 0.95rem;
  font-weight: 800;
  line-height: 1.4;
}

.f4k-information-sheet__conditional[hidden],
.f4k-information-sheet__receipt[hidden] {
  display: none;
}

.f4k-information-sheet__sensitive-note {
  margin-top: 6px;
  color: #374151;
  font-size: 0.82rem;
  font-weight: 650;
  line-height: 1.45;
}

.f4k-information-sheet__honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.f4k-information-sheet__receipt {
  text-align: left;
}

.f4k-information-sheet input[aria-invalid="true"],
.f4k-information-sheet select[aria-invalid="true"],
.f4k-information-sheet textarea[aria-invalid="true"] {
  border-color: #b91c1c;
  box-shadow: 0 0 0 3px rgba(185, 28, 28, 0.12);
}

@media (max-width: 760px) {
  .f4k-form-tabs {
    gap: 8px;
    margin-bottom: 14px;
  }

  .f4k-form-tabs__link {
    min-height: 46px;
    padding: 9px 10px;
    font-size: 0.86rem;
  }

  .f4k-pwa-topbar--three-up .f4k-pwa-topbar__brand {
    flex: 1 1 122px;
  }

  .f4k-pwa-topbar--three-up .f4k-pwa-topbar__brand span {
    max-width: 94px;
    font-size: 10px;
  }

  .f4k-pwa-topbar--three-up .f4k-pwa-action {
    min-width: 52px;
    padding-right: 8px;
    padding-left: 8px;
  }

  .f4k-pwa-topbar--three-up .f4k-pwa-action--information {
    font-size: 11px;
  }

  .f4k-information-sheet__child {
    padding: 18px 0;
  }
}

@media (max-width: 380px) {
  .f4k-pwa-topbar--three-up .f4k-pwa-topbar__brand {
    flex: 0 0 46px;
    padding: 4px;
  }

  .f4k-pwa-topbar--three-up .f4k-pwa-topbar__brand span {
    display: none;
  }

  .f4k-form-tabs__link {
    font-size: 0.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .f4k-form-tabs__link {
    transition: none;
  }
}