.page-calculator .page-hero {
  padding-bottom: 8px;
}

.page-calculator .page-hero h1 {
  max-width: 18ch;
}

.page-calculator .page-lead {
  margin-bottom: 12px;
}

.page-calculator .page-hero .calc-hint {
  max-width: 640px;
  margin-bottom: 0;
}

#calc-summary,
#calc-progress,
.calc-field.is-invalid,
.calc-fieldset.is-invalid {
  scroll-margin-top: calc(var(--header-h) + 12px);
}

.calc-app {
  padding-bottom: 32px;
}

.calc-app [hidden] {
  display: none !important;
}

.calc-app :focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 2px;
}

.calc-progress {
  margin-bottom: 28px;
  max-width: 100%;
}

.calc-progress-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  list-style: none;
}

.calc-progress-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.calc-progress-btn {
  scroll-margin-top: calc(var(--header-h) + 12px);
  width: 100%;
  min-height: 48px;
  padding: 8px 6px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--dark3);
  color: var(--muted);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
}

.calc-progress-btn.is-done {
  border-color: rgba(42, 157, 143, 0.35);
  color: var(--light);
}

.calc-progress-btn.is-current,
.calc-progress-btn[aria-current="step"] {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--dark);
}

.calc-form {
  display: grid;
  gap: 22px;
}

.calc-step h2 {
  font-family: "Syne", sans-serif;
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.calc-step h3 {
  font-family: "Syne", sans-serif;
  font-size: 1rem;
  margin-bottom: 12px;
}

.calc-fieldset {
  border: 0;
  min-width: 0;
  margin-bottom: 18px;
}

.calc-fieldset legend,
.calc-field label {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.calc-hint {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--muted);
  margin: 0 0 12px;
}

.calc-error {
  margin: 8px 0 0;
  font-size: 0.86rem;
  color: #f0b4b4;
}

.calc-field.is-invalid input,
.calc-fieldset.is-invalid .calc-pick span {
  border-color: #c56b6b;
}

.calc-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.calc-pick {
  position: relative;
}

.calc-pick input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.calc-pick span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--dark3);
  color: var(--muted);
  cursor: pointer;
}

.calc-pick input:checked + span {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--dark);
  font-weight: 600;
}

.calc-pick:focus-within span {
  outline: 2px solid var(--yellow);
  outline-offset: 2px;
}

.calc-field {
  margin-bottom: 18px;
}

.calc-input-unit {
  display: flex;
  align-items: center;
  gap: 10px;
}

.calc-input-unit input {
  flex: 1;
  min-height: 48px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--dark);
  color: var(--light);
  font: inherit;
}

.calc-input-unit span {
  color: var(--muted);
  font-weight: 600;
}

.calc-room-list,
.calc-select-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.calc-room-card,
.calc-select-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 64px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--dark3);
  color: inherit;
  font: inherit;
  text-align: left;
}

.calc-room-card strong,
.calc-select-card strong {
  font-family: "Syne", sans-serif;
  font-size: 0.98rem;
}

.calc-counter {
  display: flex;
  align-items: center;
  gap: 8px;
}

.calc-counter button,
.calc-counter-row .calc-counter button {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--dark);
  color: var(--light);
  font-size: 1.2rem;
  cursor: pointer;
}

.calc-counter span,
.calc-counter-row .calc-counter span {
  min-width: 1.6rem;
  text-align: center;
  font-weight: 700;
}

.calc-select-card {
  cursor: pointer;
}

.calc-select-card.is-on {
  background: rgba(42, 157, 143, 0.16);
  border-color: var(--yellow);
}

.calc-select-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--muted);
}

.calc-select-card.is-on .calc-select-status {
  color: var(--yellow);
  font-weight: 700;
}

.calc-select-card .calc-check {
  display: none;
  width: 18px;
  height: 18px;
}

.calc-select-card.is-on .calc-check {
  display: block;
}

.calc-extra {
  margin-top: 16px;
  padding: 16px;
  border-radius: 12px;
  background: var(--dark2);
  border: 1px solid var(--line);
}

.calc-building-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
  max-width: 100%;
}

.calc-building-switch-btn {
  min-height: 48px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--dark3);
  color: var(--light);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.calc-building-switch-btn.is-current {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--dark);
  font-weight: 600;
}

.calc-add-building {
  width: 100%;
  min-height: 48px;
  margin-top: 8px;
}

#other-rooms-block,
#custom-rooms-block {
  max-width: 100%;
  min-width: 0;
}

#other-rooms-block {
  margin-top: 22px;
}

.calc-custom-room {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 8px;
  margin: 0 0 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--dark3);
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.calc-custom-room .calc-field {
  flex: 1 1 160px;
  margin-bottom: 0;
}

.calc-custom-room input {
  width: 100%;
  min-width: 0;
  min-height: 48px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--dark);
  color: var(--light);
  font: inherit;
  box-sizing: border-box;
}

.calc-custom-room.is-invalid input {
  border-color: #c56b6b;
}

.calc-custom-remove {
  flex: 0 0 auto;
  min-height: 40px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--dark);
  color: var(--light);
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
}

.calc-building-card,
.calc-route-card {
  margin: 0 0 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--dark2);
}

.calc-building-card > summary,
.calc-route-card > summary {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  font-weight: 600;
  list-style: none;
}

.calc-building-card > summary::-webkit-details-marker,
.calc-route-card > summary::-webkit-details-marker {
  display: none;
}

.calc-building-body,
.calc-route-body {
  padding: 0 16px 16px;
}

.calc-building-remove {
  flex: 0 0 auto;
  min-height: 40px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--dark);
  color: var(--light);
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
}

#inlet-block {
  margin-top: 16px;
}

.calc-counter-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.calc-choices {
  margin: 0 0 18px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--dark2);
}

.calc-choices > summary {
  cursor: pointer;
  padding: 14px 16px;
  font-weight: 600;
}

.calc-summary {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0 16px 12px;
}

.calc-summary div {
  display: grid;
  grid-template-columns: minmax(120px, 34%) 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.calc-summary dt {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray);
}

.calc-summary dd {
  margin: 0;
  line-height: 1.5;
}

.calc-price-note,
.calc-price-result {
  padding: 16px 18px;
  border-radius: 12px;
  background: rgba(42, 157, 143, 0.08);
  border: 1px solid rgba(42, 157, 143, 0.22);
  line-height: 1.6;
}

.calc-price-result {
  margin-bottom: 18px;
  display: grid;
  gap: 18px;
}

.calc-price-result.is-missing {
  background: rgba(197, 107, 107, 0.08);
  border-color: rgba(197, 107, 107, 0.28);
}

.calc-price-total {
  padding-bottom: 4px;
}

.calc-price-stage {
  padding-top: 16px;
  border-top: 1px solid rgba(42, 157, 143, 0.22);
}

.calc-price-result h3 {
  font-family: "Syne", sans-serif;
  font-size: 1.15rem;
  margin: 0 0 10px;
}

.calc-price-total h3 {
  font-size: 1.28rem;
  margin-bottom: 8px;
}

.calc-price-stage h3 {
  font-size: 1.02rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--muted);
}

.calc-price-range {
  font-family: "Syne", sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 6px;
}

.calc-price-range--total {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 2px;
  color: #d4bc7d;
}

.calc-price-bounds {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.95rem;
}

.calc-price-breakdown {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
}

.calc-price-breakdown li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(42, 157, 143, 0.16);
  font-size: 0.95rem;
}

.calc-price-breakdown li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.calc-price-breakdown-name {
  color: var(--muted);
}

.calc-price-breakdown-sum {
  font-weight: 600;
  white-space: nowrap;
}

.calc-price-notice {
  padding: 16px 18px;
  border-radius: 12px;
  background: rgba(212, 188, 125, 0.12);
  border: 1px solid rgba(212, 188, 125, 0.42);
  display: grid;
  gap: 14px;
}

.calc-price-notice h4 {
  margin: 0;
  font-family: "Syne", sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #d4bc7d;
}

.calc-price-notice p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: #eef3f0;
}

.calc-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.calc-nav .btn {
  min-height: 48px;
}

@media (max-width: 800px) {
  .calc-progress {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    padding-bottom: 4px;
  }

  .calc-progress-list {
    display: flex;
    grid-template-columns: none;
    width: max-content;
    min-width: 100%;
  }

  .calc-progress-btn {
    flex: 0 0 auto;
    width: auto;
    min-width: 7.4rem;
    white-space: nowrap;
    padding: 8px 12px;
  }

  .calc-room-list,
  .calc-select-grid,
  .calc-summary div {
    grid-template-columns: 1fr;
  }

  .calc-room-card,
  .calc-select-card,
  .calc-counter-row,
  .calc-custom-room {
    flex-wrap: wrap;
  }

  .calc-custom-room {
    flex-direction: column;
    align-items: stretch;
  }

  .calc-custom-room .calc-field,
  .calc-custom-room .calc-counter,
  .calc-custom-remove {
    width: 100%;
  }

  .calc-building-switch {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
  }

  .calc-building-switch-btn {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .calc-nav .btn {
    width: 100%;
  }


@media (max-width: 375px) {
  .calc-progress-btn {
    font-size: 0.72rem;
  }
}