/* Calculator catalogue */

.calculator-catalog-intro,
.calc-detail-intro {
  padding-top: 0;
}

main.container:has(> .calc-detail-intro) {
  padding-top: clamp(var(--space-4), 2.5vw, var(--space-8));
}

.section.calc-detail-intro {
  margin-top: var(--space-4);
}

.calculator-catalog-hero,
.calc-detail-hero {
  width: 100%;
  max-width: none;
}

.calculator-standard-hero {
  padding: clamp(28px, 4vw, 44px);
}

.calculator-catalog-hero h1 {
  margin: 16px 0 0;
}

.calc-detail-hero h1 {
  margin: 0;
}

.calculator-standard-hero h1 {
  margin-top: 16px;
}

.calculator-catalog-hero > p {
  max-width: none;
  margin: 16px 0 0;
  color: var(--color-text-muted);
  font-size: inherit;
}

.calc-detail-hero > p {
  max-width: none;
  margin: 16px 0 0;
  color: var(--color-text-muted);
  font-size: inherit;
}

.calculator-group-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.calculator-groups {
  display: flex;
  flex-direction: column;
  gap: clamp(42px, 7vw, 72px);
}

.calculator-group {
  display: flex;
  flex-direction: column;
  scroll-margin-top: 110px;
}

.calc-scheme-number {
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.calculator-group-simple-head {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-divider);
}

.calculator-group-simple-head h2 {
  margin: 0;
}

.calculator-card-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 16px;
}

.calculator-card {
  display: flex;
  flex-direction: column;
  min-height: 210px;
  padding: clamp(22px, 3vw, 30px);
  border-radius: 28px;
}

.calculator-card h3 {
  margin: 14px 0 10px;
  font-size: clamp(1.18rem, 2.2vw, 1.45rem);
}

.calculator-card > p {
  max-width: none;
  margin: 0;
  color: var(--color-text-muted);
}

.calculator-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: auto;
  padding-top: 24px;
}

.calculator-access {
  flex: 0 0 auto;
}

.calc-disabled-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  color: var(--color-text-faint);
  cursor: not-allowed;
  opacity: 0.72;
  pointer-events: none;
}

/* Calculator detail */

.calc-detail-back {
  margin-bottom: 14px;
}

.calc-back-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.calc-back-link:hover,
.calc-back-link:focus-visible {
  color: var(--color-primary);
}

.calc-content-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-divider);
}

.calc-content-heading h2 {
  margin: 8px 0 0;
}

.calc-content-heading > p {
  max-width: 440px;
  margin: 0;
  color: var(--color-text-muted);
  text-align: right;
}

.calc-schemes-section .calc-content-heading h2 {
  margin-top: 0;
}

/* Engineering diagrams */

.calc-scheme-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.calc-scheme-card {
  min-width: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.calc-scheme-card figcaption {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px 18px;
}

.calc-scheme-card figcaption strong {
  display: block;
  margin-bottom: 4px;
}

.calc-scheme-card figcaption p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.84rem;
  line-height: 1.45;
}

.calc-scheme-number {
  padding-top: 3px;
}

.calc-scheme-canvas {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 18px;
  background: transparent;
}

.calc-scheme-image {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  object-fit: cover;
  object-position: center;
}

.calc-scheme-value {
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 2;
  display: inline-flex;
  justify-content: center;
  min-width: 78px;
  padding: 5px 10px;
  border: 1px solid var(--color-border-strong);
  border-radius: 9px;
  background: var(--color-surface);
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 800;
  box-shadow: 0 6px 18px color-mix(in srgb, var(--color-text) 9%, transparent);
}

/* Form and result */

.calc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(340px, 0.8fr);
  gap: 22px;
  align-items: stretch;
}

.calc-form,
.calc-result {
  box-sizing: border-box;
  height: 100%;
  padding: clamp(22px, 4vw, 36px);
}

.calc-form {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.calc-result {
  min-height: 0;
}

.anchorage-layout {
  align-items: start;
}

.anchorage-layout .calc-form,
.anchorage-layout .calc-result {
  height: auto;
}

.calc-result[aria-busy="true"] {
  opacity: 0.72;
}

.calc-result h2 {
  margin: 0 0 5px;
  font-size: 1.25rem;
}

.calc-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.calc-field {
  display: grid;
  align-content: start;
  gap: 8px;
  min-width: 0;
  color: var(--color-text);
  font-weight: 700;
}

.calc-field--wide {
  grid-column: 1 / -1;
}

.calc-field input,
.calc-field select {
  width: 100%;
  min-width: 0;
  min-height: 50px;
  padding: 11px 13px;
  border: 1px solid var(--color-border-strong);
  border-radius: 13px;
  background: var(--color-surface-2);
  color: var(--color-text);
  font: inherit;
  font-weight: 500;
  outline: none;
}

.calc-field input:hover,
.calc-field select:hover {
  border-color: color-mix(in srgb, var(--color-primary) 44%, var(--color-border));
}

.calc-field input:focus,
.calc-field select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 15%, transparent);
}

.calc-field small {
  color: var(--color-text-muted);
  font-size: 0.76rem;
  font-weight: 500;
}

.calc-toggle {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 15px 16px;
  border: 1px solid var(--color-border-strong);
  border-radius: 14px;
  background: var(--color-surface-2);
  color: var(--color-text);
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.calc-toggle:hover {
  border-color: color-mix(in srgb, var(--color-primary) 44%, var(--color-border));
}

.calc-toggle:has(input:focus-visible) {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 15%, transparent);
}

.calc-toggle:has(input:checked) {
  border-color: color-mix(in srgb, var(--color-primary) 58%, var(--color-border));
  background: color-mix(in srgb, var(--color-primary) 7%, var(--color-surface-2));
}

.calc-toggle input {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  margin: 2px 0 0;
  accent-color: var(--color-primary);
}

.calc-toggle > span {
  display: grid;
  gap: 4px;
}

.calc-toggle strong {
  font-size: 0.95rem;
}

.calc-toggle small {
  color: var(--color-text-muted);
  font-size: 0.78rem;
  font-weight: 500;
}

.calc-condition {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  background: var(--color-surface-offset);
}

.calc-condition__toggle {
  min-width: 0;
}

.calc-choice-tiles {
  display: flex;
  align-items: stretch;
  gap: 8px;
}

.calc-choice-tile {
  min-width: 78px;
  padding: 10px 12px;
  border: 1px solid var(--color-border-strong);
  border-radius: 12px;
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  font: inherit;
  font-size: 0.84rem;
  font-weight: 800;
  cursor: pointer;
}

.calc-choice-tile:hover:not(:disabled),
.calc-choice-tile:focus-visible:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.calc-choice-tile.is-active {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
}

.calc-choice-tile:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.calc-dependent-fields {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding-top: 2px;
}

.calc-dependent-fields[aria-disabled="true"] {
  display: none;
}

.calc-dependent-fields :disabled {
  cursor: not-allowed;
  background: var(--color-surface-offset);
}

.calc-dependent-fields--seismic {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.calc-condition.calc-condition--temperature {
  grid-template-columns: 1fr;
  gap: 14px;
}

.calc-temperature-fields {
  grid-template-columns: 1fr;
  gap: 14px;
  padding-top: 0;
}

.calc-temperature-group {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-surface-2);
}

.calc-temperature-group__header {
  display: flex;
  gap: 9px;
  align-items: center;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.calc-temperature-group__header > span {
  color: var(--color-primary);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.calc-temperature-group__header strong {
  font-size: 0.86rem;
}

.calc-temperature-grid,
.calc-temperature-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.calc-temperature-limit {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 3px 14px;
  align-items: center;
  padding: 11px 13px;
  border: 1px solid color-mix(in srgb, var(--color-primary) 30%, var(--color-border));
  border-radius: 12px;
  background: color-mix(in srgb, var(--color-primary) 5%, var(--color-surface));
}

.calc-temperature-limit > span {
  font-weight: 700;
}

.calc-temperature-limit > strong {
  grid-row: 1 / span 2;
  grid-column: 2;
  color: var(--color-primary);
  font-size: 1rem;
  white-space: nowrap;
}

.calc-temperature-limit > small {
  color: var(--color-text-muted);
  font-size: 0.72rem;
  font-weight: 500;
}

.calc-temperature-limit.is-invalid {
  border-color: color-mix(in srgb, #b54a3a 48%, var(--color-border));
  background: color-mix(in srgb, #b54a3a 6%, var(--color-surface));
}

.calc-temperature-limit.is-invalid > strong,
.calc-temperature-limit.is-invalid > small {
  color: #9c3c30;
}

.calc-toggle--compact {
  min-height: 50px;
  align-items: center;
}

.calc-toggle--compact input {
  margin-top: 0;
}

.calc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 4px;
}

.calc-result-empty {
  display: grid;
  place-items: center;
  align-content: center;
  min-height: 430px;
  text-align: center;
  color: var(--color-text-muted);
}

.calc-result-empty__mark {
  display: grid;
  place-items: center;
  width: 76px;
  height: 76px;
  margin-bottom: 20px;
  border: 1px solid color-mix(in srgb, var(--color-primary) 26%, var(--color-border));
  border-radius: 24px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: 2.3rem;
  font-style: italic;
}

.calc-result-empty h2 {
  margin-top: 10px;
}

.calc-result-empty p {
  max-width: 300px;
  margin: 0;
}

.calc-result-header {
  position: relative;
  margin: 0 0 24px;
  padding: 28px clamp(22px, 4vw, 36px);
  overflow: hidden;
  border-radius: 20px;
  background:
    radial-gradient(circle at 90% 10%, rgba(255, 255, 255, 0.2), transparent 35%),
    var(--color-primary);
  color: #fff;
}

.calc-result-header span {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.calc-result-primary {
  margin-top: 12px;
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 4.8rem);
  line-height: 0.95;
}

.calc-result-primary small {
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.calc-result-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 20px;
}

.calc-result-card {
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: 15px;
  background: var(--color-surface-offset);
}

.calc-result-card span {
  display: block;
  margin-bottom: 5px;
  color: var(--color-text-muted);
  font-size: 0.72rem;
}

.calc-result-card strong {
  font-size: 1.04rem;
}

.calc-result-table {
  display: grid;
}

.calc-result-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--color-divider);
  font-size: 0.88rem;
}

.calc-result-row span {
  color: var(--color-text-muted);
}

.calc-result-row strong {
  text-align: right;
}

.calc-result-notice,
.calc-error {
  margin-top: 18px;
  padding: 14px;
  border-radius: 13px;
  font-size: 0.82rem;
}

.calc-result-notice {
  border: 1px solid rgba(245, 158, 11, 0.22);
  background: rgba(245, 158, 11, 0.09);
}

.calc-error {
  border: 1px solid rgba(220, 38, 38, 0.18);
  background: rgba(220, 38, 38, 0.09);
  color: #b91c1c;
}

.calc-note {
  display: grid;
  grid-template-columns: minmax(190px, 0.28fr) minmax(0, 1fr);
  gap: 24px;
  margin-bottom: 36px;
  padding: 24px;
  border-left: 4px solid var(--color-primary);
}

.calc-note p {
  margin: 0;
  color: var(--color-text-muted);
}

/* Placeholder calculator pages */

.placeholder-page {
  max-width: 780px;
  margin: 72px auto;
  padding: clamp(28px, 6vw, 56px);
  text-align: center;
}

.placeholder-page h1 {
  margin: 18px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 4rem);
}

.placeholder-page p {
  max-width: 600px;
  margin: 0 auto 26px;
  color: var(--color-text-muted);
}

.placeholder-badge {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: var(--radius-full);
  background: rgba(245, 158, 11, 0.13);
  color: #b45309;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 1120px) {
  .anchorage-layout {
    grid-template-columns: 1fr;
  }

  .anchorage-layout .calc-form,
  .anchorage-layout .calc-result {
    position: static;
    min-height: 0;
  }
}

@media (max-width: 980px) {
  .calc-scheme-grid {
    grid-template-columns: 1fr;
  }

  .calc-scheme-card {
    display: grid;
    grid-template-columns: minmax(240px, 0.9fr) minmax(0, 1fr);
    align-items: center;
  }

  .calc-layout {
    grid-template-columns: 1fr;
  }

  .calc-form,
  .calc-result {
    position: static;
    height: auto;
    min-height: 0;
  }

  .calc-result-empty {
    min-height: 300px;
  }
}

@media (max-width: 760px) {
  .calc-content-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .calc-content-heading > p {
    text-align: left;
  }

  .calc-scheme-card {
    display: block;
  }
}

@media (max-width: 620px) {
  .calculator-catalog-hero {
    padding: 24px;
  }

  .calculator-standard-hero {
    padding: 22px 18px;
  }

  .calculator-card-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .calc-fields,
  .calc-result-cards,
  .calc-dependent-fields,
  .calc-note {
    grid-template-columns: 1fr;
  }

  .calc-condition {
    grid-template-columns: 1fr;
  }

  .calc-temperature-grid,
  .calc-temperature-options,
  .calc-temperature-limit {
    grid-template-columns: 1fr;
  }

  .calc-temperature-limit > strong {
    grid-row: auto;
    grid-column: auto;
  }

  .calc-choice-tiles {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .calc-choice-tile {
    min-width: 0;
  }

  .calc-field--wide {
    grid-column: auto;
  }

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

  .calc-result-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
  }

  .calc-result-row strong {
    text-align: left;
  }
}