.container-calculator {
  --calc-ink: #211b12;
  --calc-muted: #726957;
  --calc-line: #ded5c5;
  --calc-paper: #fbf8f2;
  --calc-bronze: #a36a24;
  --calc-bronze-dark: #7d4f18;
  --calc-green: #315f4b;
}

.calculator-shell {
  display: grid;
  gap: 24px;
  align-items: start;
}

.calculator-panel {
  border: 1px solid var(--calc-line);
  background: rgba(255, 255, 255, 0.72);
  border-radius: 8px;
  padding: 24px;
}

.calculator-panel--results {
  background: var(--calc-ink);
  border-color: var(--calc-ink);
  color: #fffaf0;
}

.calculator-section + .calculator-section {
  border-top: 1px solid var(--calc-line);
  margin-top: 24px;
  padding-top: 24px;
}

.calculator-kicker {
  color: var(--calc-bronze);
  font: 600 11px/1.3 Inter, sans-serif;
  letter-spacing: 0;
  text-transform: uppercase;
}

.calculator-heading {
  color: var(--calc-ink);
  font: 600 22px/1.25 "Playfair Display", serif;
  letter-spacing: 0;
  margin-top: 6px;
}

.calculator-description {
  color: var(--calc-muted);
  font-size: 13px;
  line-height: 1.65;
  margin-top: 7px;
}

.calculator-mode-status {
  color: var(--calc-green);
  font-size: 11px;
  line-height: 1.5;
  margin-top: 9px;
}

.calculator-validation {
  background: #f4f7f2;
  border-left: 3px solid var(--calc-green);
  color: #435849;
  font-size: 12px;
  line-height: 1.55;
  margin-top: 18px;
  padding: 11px 14px;
}

.calculator-validation--error {
  background: #fff2ef;
  border-color: #a34b3d;
  color: #7a3027;
}

.calculator-validation ul {
  margin: 5px 0 0;
  padding-left: 18px;
}

.calculator-validation[hidden],
[data-density-field][hidden],
[data-advanced-section][hidden],
[data-advanced-only][hidden] {
  display: none !important;
}

.calculator-grid {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

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

.calculator-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.calculator-field {
  align-content: start;
  display: grid;
  gap: 7px;
  min-width: 0;
}

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

.calculator-label {
  color: #4d4538;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.35;
}

.calculator-control {
  appearance: none;
  background: #fff;
  border: 1px solid #cfc4b2;
  border-radius: 6px;
  color: var(--calc-ink);
  font: 500 14px/1.3 Inter, sans-serif;
  min-height: 44px;
  padding: 10px 12px;
  width: 100%;
}

select.calculator-control {
  background-image:
    linear-gradient(45deg, transparent 50%, #786d5b 50%),
    linear-gradient(135deg, #786d5b 50%, transparent 50%);
  background-position:
    calc(100% - 17px) 19px,
    calc(100% - 12px) 19px;
  background-repeat: no-repeat;
  background-size: 5px 5px, 5px 5px;
  padding-right: 34px;
}

.calculator-control:focus {
  border-color: var(--calc-bronze);
  box-shadow: 0 0 0 3px rgba(163, 106, 36, 0.14);
  outline: none;
}

.calculator-control[readonly] {
  background: #f4efe6;
  color: #5f574a;
  cursor: default;
}

.calculator-help {
  color: #887e6d;
  font-size: 11px;
  line-height: 1.45;
}

.calculator-segmented {
  align-items: stretch;
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 14px;
}

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

.calculator-unit-segmented {
  margin-top: 0;
}

.calculator-segmented input {
  height: 1px;
  opacity: 0;
  overflow: hidden;
  position: absolute;
  width: 1px;
}

.calculator-segmented label {
  align-items: center;
  background: #f4efe6;
  border: 1px solid transparent;
  border-radius: 6px;
  box-sizing: border-box;
  color: #655c4e;
  cursor: pointer;
  display: flex;
  font-size: 12px;
  font-weight: 600;
  height: 44px;
  justify-content: center;
  line-height: 1.25;
  min-height: 44px;
  min-width: 0;
  padding: 6px 10px;
  text-align: center;
}

.calculator-segmented input:checked + label {
  background: #fff;
  border-color: var(--calc-bronze);
  color: var(--calc-bronze-dark);
  box-shadow: 0 3px 10px rgba(58, 40, 18, 0.08);
}

.calculator-segmented input:focus-visible + label {
  outline: 3px solid rgba(163, 106, 36, 0.18);
}

.calculator-pallet-fields[hidden] {
  display: none;
}

.calculator-container-meta {
  align-items: center;
  background: #f4efe6;
  border-radius: 6px;
  color: #625949;
  display: flex;
  flex-wrap: wrap;
  font-size: 11px;
  gap: 8px 16px;
  justify-content: space-between;
  margin-top: 12px;
  padding: 10px 12px;
}

.calculator-result-head {
  align-items: flex-start;
  display: flex;
  gap: 16px;
  justify-content: space-between;
}

.calculator-result-head h2 {
  color: #fffaf0;
  font: 600 27px/1.15 "Playfair Display", serif;
  letter-spacing: 0;
}

.calculator-status {
  background: rgba(225, 178, 105, 0.14);
  border: 1px solid rgba(225, 178, 105, 0.32);
  border-radius: 999px;
  color: #f0c886;
  flex: 0 0 auto;
  font-size: 10px;
  font-weight: 700;
  padding: 6px 9px;
  text-transform: uppercase;
}

.calculator-primary-result {
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
  margin-top: 24px;
  padding-bottom: 22px;
}

.calculator-primary-number {
  color: #f3c77e;
  font: 600 clamp(38px, 7vw, 64px)/1 "Playfair Display", serif;
  letter-spacing: 0;
}

.calculator-primary-label {
  color: rgba(255, 250, 240, 0.68);
  font-size: 12px;
  line-height: 1.5;
  margin-top: 7px;
}

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

.calculator-result {
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
  padding: 13px 8px 13px 0;
}

.calculator-result:nth-child(even) {
  padding-left: 14px;
}

.calculator-result dt {
  color: rgba(255, 250, 240, 0.56);
  font-size: 10px;
  line-height: 1.3;
  text-transform: uppercase;
}

.calculator-result dd {
  color: #fffaf0;
  font-size: 17px;
  font-weight: 600;
  margin-top: 5px;
}

.calculator-meters {
  display: grid;
  gap: 13px;
  margin-top: 22px;
}

.calculator-meter-label {
  color: rgba(255, 250, 240, 0.76);
  display: flex;
  font-size: 11px;
  justify-content: space-between;
  margin-bottom: 6px;
}

.calculator-meter-track {
  background: rgba(255, 255, 255, 0.11);
  border-radius: 999px;
  height: 5px;
  overflow: hidden;
}

.calculator-meter-fill {
  background: #d8a75e;
  border-radius: inherit;
  height: 100%;
  transition: width 240ms ease;
}

.calculator-result-note {
  background: rgba(255, 255, 255, 0.055);
  border-left: 2px solid #d8a75e;
  color: rgba(255, 250, 240, 0.72);
  font-size: 12px;
  line-height: 1.6;
  margin-top: 22px;
  padding: 12px 14px;
}

.calculator-actions {
  display: grid;
  gap: 9px;
  grid-template-columns: 1fr auto;
  margin-top: 18px;
}

.calculator-action {
  align-items: center;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  font-size: 12px;
  font-weight: 700;
  justify-content: center;
  min-height: 44px;
  padding: 10px 14px;
  text-align: center;
}

.calculator-action[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.45;
  pointer-events: none;
}

.calculator-action--primary {
  background: #c99143;
  color: #1e1710;
}

.calculator-action--secondary {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fffaf0;
}

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

.calculator-method-item {
  border-top: 1px solid var(--calc-line);
  padding-top: 14px;
}

.calculator-method-number {
  color: var(--calc-bronze);
  font: 600 11px/1.4 Inter, sans-serif;
}

.calculator-method-item h3 {
  color: var(--calc-ink);
  font: 600 17px/1.3 "Playfair Display", serif;
  margin-top: 7px;
}

.calculator-method-item p {
  color: var(--calc-muted);
  font-size: 12px;
  line-height: 1.65;
  margin-top: 6px;
}

.calculator-source-list {
  color: var(--calc-muted);
  font-size: 12px;
  line-height: 1.7;
  margin-top: 12px;
}

.calculator-source-list a {
  color: var(--calc-bronze-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.calculator-quote-notice {
  background: rgba(203, 146, 67, 0.13);
  border: 1px solid rgba(225, 178, 105, 0.38);
  border-radius: 6px;
  color: #fff6e7;
  font-size: 12px;
  line-height: 1.55;
  padding: 12px 14px;
}

@media (min-width: 1024px) {
  .calculator-shell {
    grid-template-columns: minmax(0, 1.18fr) minmax(330px, 0.82fr);
  }

  .calculator-panel--results {
    position: sticky;
    top: 88px;
  }
}

@media (max-width: 720px) {
  .calculator-panel {
    padding: 18px;
  }

  .calculator-grid--2,
  .calculator-grid--3 {
    grid-template-columns: 1fr;
  }

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

  .calculator-unit-segmented {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .calculator-method {
    grid-template-columns: 1fr;
  }

  .calculator-actions {
    grid-template-columns: 1fr;
  }
}

@media print {
  header,
  footer,
  .calculator-actions,
  .calculator-method,
  .calculator-source-list {
    display: none !important;
  }

  .calculator-shell {
    grid-template-columns: 1fr 1fr;
  }

  .calculator-panel--results {
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }
}