.gzcalc {
  --gzcalc-border: #dfe4ea;
  --gzcalc-text: #172033;
  --gzcalc-muted: #5e6878;
  --gzcalc-primary: #0756a6;
  --gzcalc-primary-dark: #064887;
  --gzcalc-surface: #ffffff;
  --gzcalc-soft: #f7f8fa;
  --gzcalc-error: #b42318;
  width: 100%;
  max-width: 760px;
  margin: 28px auto;
  padding: 22px;
  border: 1px solid var(--gzcalc-border);
  border-radius: 16px;
  background: var(--gzcalc-surface);
  color: var(--gzcalc-text);
  box-shadow: 0 8px 28px rgba(23, 32, 51, 0.06);
  overflow-wrap: anywhere;
}

.gzcalc,
.gzcalc * {
  box-sizing: border-box;
}

.gzcalc__header {
  margin-bottom: 22px;
}

.gzcalc__eyebrow {
  margin-bottom: 6px;
  color: var(--gzcalc-primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.gzcalc__title {
  margin: 0 0 8px;
  color: var(--gzcalc-text);
  font-size: clamp(24px, 5.5vw, 32px);
  line-height: 1.25;
}

.gzcalc__intro,
.gzcalc__help,
.gzcalc__meta,
.gzcalc__notice {
  color: var(--gzcalc-muted);
}

.gzcalc__intro {
  margin: 0;
  line-height: 1.65;
}

.gzcalc__fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.gzcalc__field {
  min-width: 0;
}

.gzcalc__label {
  display: block;
  margin-bottom: 7px;
  color: var(--gzcalc-text);
  font-weight: 700;
}

.gzcalc__required {
  margin-left: 3px;
  color: var(--gzcalc-error);
}

.gzcalc__input {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 46px;
  padding: 11px 13px;
  border: 1px solid #cbd3dd;
  border-radius: 10px;
  background: #fff;
  color: var(--gzcalc-text);
  font: inherit;
  line-height: 1.35;
}

.gzcalc__input:focus {
  outline: 3px solid rgba(7, 86, 166, 0.16);
  border-color: var(--gzcalc-primary);
}

.gzcalc__select {
  appearance: auto;
  cursor: pointer;
}

.gzcalc__input[aria-invalid="true"] {
  border-color: var(--gzcalc-error);
  outline-color: rgba(180, 35, 24, 0.14);
}

.gzcalc__help {
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.55;
}

.gzcalc__field-error,
.gzcalc__error {
  min-height: 1.35em;
  color: var(--gzcalc-error);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5;
}

.gzcalc__field-error {
  margin-top: 6px;
}

.gzcalc__error {
  margin-top: 12px;
}

.gzcalc__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.gzcalc__button {
  min-height: 46px;
  flex: 1 1 160px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 10px;
  font: inherit;
  font-weight: 800;
  line-height: 1.2;
  cursor: pointer;
}

.gzcalc__button:focus-visible {
  outline: 3px solid rgba(7, 86, 166, 0.22);
  outline-offset: 2px;
}

.gzcalc__button--primary {
  background: var(--gzcalc-primary);
  color: #fff;
}

.gzcalc__button--primary:hover {
  background: var(--gzcalc-primary-dark);
}

.gzcalc__button--secondary {
  border-color: #cbd3dd;
  background: #fff;
  color: var(--gzcalc-text);
}

.gzcalc__results {
  margin-top: 22px;
  padding: 18px;
  border: 1px solid #cfe0f2;
  border-radius: 12px;
  background: #f5f9fd;
}

.gzcalc__results[hidden] {
  display: none;
}

.gzcalc__results-title {
  margin: 0 0 12px;
  font-size: 18px;
}

.gzcalc__result-list {
  margin: 0;
}

.gzcalc__result-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 5px;
  padding: 11px 0;
  border-bottom: 1px solid #dbe8f5;
}

.gzcalc__result-item:last-child {
  border-bottom: 0;
}

.gzcalc__result-item dt {
  color: var(--gzcalc-muted);
  font-weight: 700;
}

.gzcalc__result-item dd {
  margin: 0;
  color: var(--gzcalc-text);
  font-size: 20px;
  font-weight: 800;
}

.gzcalc__meta,
.gzcalc__notice {
  margin-top: 18px;
  padding: 14px 15px;
  border-radius: 10px;
  background: var(--gzcalc-soft);
  font-size: 13px;
  line-height: 1.65;
}

.gzcalc__meta p,
.gzcalc__notice p {
  margin: 0 0 7px;
}

.gzcalc__meta p:last-child,
.gzcalc__notice p:last-child {
  margin-bottom: 0;
}

.gzcalc__meta a {
  color: var(--gzcalc-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.gzcalc__sources {
  margin-top: 7px;
}

.gzcalc__source-list {
  margin: 7px 0 0 18px;
  padding: 0;
}

.gzcalc__source-list li {
  margin: 4px 0;
}

.gzcalc-admin-error {
  padding: 12px 14px;
  border: 1px solid #f1b6b1;
  border-radius: 8px;
  background: #fff5f4;
  color: #8f1f17;
  font-weight: 700;
}

@media (min-width: 640px) {
  .gzcalc {
    padding: 28px;
  }

  .gzcalc__fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gzcalc__result-item {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 20px;
  }

  .gzcalc__result-item dd {
    text-align: right;
  }
}

/* v2 field extensions */
.gzcalc__field[hidden] {
  display: none !important;
}

.gzcalc__fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.gzcalc__options {
  display: grid;
  gap: 8px;
}

.gzcalc__option,
.gzcalc__checkbox-wrap {
  display: flex;
  align-items: flex-start;
  gap: 9px;
}

.gzcalc__option {
  padding: 10px 12px;
  border: 1px solid #d9e0e8;
  border-radius: 10px;
  cursor: pointer;
}

.gzcalc__option input,
.gzcalc__checkbox-wrap input {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 2px;
}

.gzcalc__checkbox-label {
  color: var(--gzcalc-text);
  font-weight: 700;
  line-height: 1.5;
}

.gzcalc__textarea {
  min-height: 120px;
  resize: vertical;
}

.gzcalc__range-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.gzcalc__range {
  width: 100%;
  min-width: 0;
}

.gzcalc__range-output {
  min-width: 3ch;
  font-weight: 800;
  text-align: right;
}

.gzcalc__repeater {
  display: grid;
  gap: 12px;
}

.gzcalc__repeater-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gzcalc__repeater-rows {
  display: grid;
  gap: 12px;
}

.gzcalc__repeater-row {
  position: relative;
  padding: 14px;
  border: 1px solid #dfe4ea;
  border-radius: 12px;
  background: #fbfcfd;
}

.gzcalc__repeater-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.gzcalc__repeater-remove {
  min-height: 38px;
  margin-top: 10px;
  padding: 7px 11px;
  border: 1px solid #d7dde5;
  border-radius: 8px;
  background: #fff;
  color: var(--gzcalc-text);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.gzcalc__button--small {
  min-height: 40px;
  flex: 0 0 auto;
  justify-self: start;
  padding: 8px 13px;
  border-color: #cbd3dd;
  background: #fff;
  color: var(--gzcalc-text);
  font-size: 14px;
}

.gzcalc[aria-busy="true"] .gzcalc__button--primary {
  cursor: wait;
  opacity: 0.65;
}

.gzcalc__button:disabled {
  cursor: wait;
  opacity: 0.65;
}

@media (min-width: 640px) {
  .gzcalc__repeater-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}