.bandwidth-hero {
  padding-bottom: 58px;
}

.bandwidth-hero__fact {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: 5px 10px;
  margin: 22px auto 0;
  border: 1px solid color-mix(in oklch, var(--color-primary) 25%, var(--color-border));
  border-radius: 999px;
  background: var(--color-primary-soft);
  padding: 8px 14px;
  color: var(--color-primary-ink);
  font-size: 13px;
}

.bandwidth-hero__fact strong {
  font-size: 15px;
}

.bandwidth-hero__fact small {
  color: var(--color-ink-soft);
  font-size: 11px;
}

.bandwidth-workbench {
  padding-bottom: 108px;
}

.calculator-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(390px, 0.98fr);
  align-items: start;
  gap: 22px;
}

.calculator-panel,
.result-panel {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  box-shadow: var(--shadow-card);
  padding: 28px;
}

.calculator-panel__heading,
.result-panel__heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.calculator-panel h2,
.result-panel h2 {
  margin: 4px 0 0;
  font-size: 25px;
  letter-spacing: -0.03em;
}

.mode-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  margin-top: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  padding: 4px;
}

.mode-switch button,
.planner-tabs button {
  min-height: 42px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  font-size: 13px;
  font-weight: 720;
  transition: background-color var(--transition), color var(--transition), box-shadow var(--transition);
}

.mode-switch button:hover,
.planner-tabs button:hover {
  color: var(--color-primary-ink);
}

.mode-switch button[aria-pressed="true"],
.planner-tabs button[aria-selected="true"] {
  background: var(--color-bg);
  box-shadow: var(--shadow-card);
  color: var(--color-ink);
}

.primary-input,
.requests-planner,
.request-size-field {
  margin-top: 24px;
}

.primary-input label,
.request-size-field > label,
.planner-panel > label,
.planner-panel--split label,
.planner-panel--threaded label {
  display: grid;
  gap: 7px;
  color: var(--color-ink);
  font-size: 13px;
  font-weight: 740;
}

.number-with-unit {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 92px;
  margin-top: 8px;
}

.number-with-unit input,
.number-with-unit select,
.planner-panel input {
  min-width: 0;
  height: 52px;
  border: 1px solid var(--color-border-strong);
  background: var(--color-bg);
  color: var(--color-ink);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.number-with-unit input {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  padding: 0 16px;
  font: 680 16px/1.4 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.number-with-unit select {
  border-left: 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 0 12px;
  cursor: pointer;
  font: 720 13px var(--font-sans);
}

.number-with-unit:focus-within input,
.number-with-unit:focus-within select,
.planner-panel input:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
}

.number-with-unit:focus-within select {
  box-shadow: 4px 0 0 0 oklch(0.7149 0.1805 52.68 / 0.18), 0 4px 0 0 oklch(0.7149 0.1805 52.68 / 0.18), 0 -4px 0 0 oklch(0.7149 0.1805 52.68 / 0.18);
}

.number-with-unit.is-invalid input,
.number-with-unit.is-invalid select,
.planner-panel input.is-invalid {
  border-color: var(--color-high);
}

.field-error {
  min-height: 20px;
  margin: 5px 0 0;
  color: var(--color-high);
  font-size: 11px;
}

.planner-field-error {
  display: block;
  min-height: 0;
  margin-top: 2px;
}

.planner-field-error[hidden] {
  display: none;
}

.requests-planner {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  padding: 18px;
}

.requests-planner__heading strong {
  font-size: 13px;
}

.requests-planner__heading p,
.request-size-field > p,
.scenario-presets > p {
  margin: 3px 0 0;
  color: var(--color-muted);
  font-size: 11px;
}

.planner-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 3px;
  margin-top: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-muted);
  padding: 3px;
}

.planner-tabs button {
  min-height: 38px;
  font-size: 11px;
}

.planner-panel {
  margin-top: 14px;
}

.planner-panel input {
  width: 100%;
  border-radius: var(--radius-sm);
  padding: 0 13px;
  font: 650 14px/1.4 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.planner-panel--split {
  display: grid;
  grid-template-columns: 1fr 0.55fr;
  gap: 12px;
}

.planner-panel--threaded {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.planner-panel--threaded > p {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--color-muted);
  font-size: 11px;
}

.request-size-field {
  border-top: 1px solid var(--color-border);
  padding-top: 22px;
}

.scenario-presets {
  min-width: 0;
  margin: 21px 0 0;
  border: 0;
  padding: 0;
}

.scenario-presets legend {
  padding: 0;
  color: var(--color-ink);
  font-size: 13px;
  font-weight: 740;
}

.scenario-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  margin-top: 10px;
}

.scenario-list button {
  display: grid;
  min-width: 0;
  gap: 2px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  padding: 10px 11px;
  color: var(--color-ink);
  cursor: pointer;
  text-align: left;
  transition: border-color var(--transition), background-color var(--transition);
}

.scenario-list button:hover,
.scenario-list button.is-selected {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.scenario-list strong {
  font-size: 12px;
}

.scenario-list span {
  min-width: 0;
  color: var(--color-muted);
  font-size: 10px;
  overflow-wrap: anywhere;
}

.size-shortcuts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  margin-top: 14px;
}

.size-shortcuts > span {
  margin-right: 3px;
  color: var(--color-muted);
  font-size: 11px;
}

.size-shortcuts button {
  min-height: 31px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-bg);
  padding: 3px 10px;
  color: var(--color-ink-soft);
  cursor: pointer;
  font-size: 10px;
  font-weight: 700;
}

.size-shortcuts button:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  color: var(--color-primary-ink);
}

.advanced-options {
  margin-top: 22px;
  border-top: 1px solid var(--color-border);
  padding-top: 8px;
}

.advanced-options summary {
  display: flex;
  min-height: 46px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--color-ink-soft);
  cursor: pointer;
  font-size: 12px;
  font-weight: 720;
  list-style: none;
}

.advanced-options summary::-webkit-details-marker {
  display: none;
}

.advanced-options summary span:last-child {
  color: var(--color-muted);
  font-size: 10px;
  font-weight: 620;
}

.advanced-options__content {
  display: grid;
  gap: 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  padding: 17px;
}

.margin-field {
  display: grid;
  gap: 8px;
}

.margin-field > span {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--color-ink-soft);
  font-size: 12px;
  font-weight: 700;
}

.margin-field input {
  width: 100%;
  accent-color: var(--color-primary);
}

.margin-field small,
.basis-field small {
  color: var(--color-muted);
  font-size: 10px;
  font-weight: 450;
}

.basis-field {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
  border: 0;
  padding: 0;
}

.basis-field legend {
  grid-column: 1 / -1;
  margin-bottom: 4px;
  padding: 0;
  color: var(--color-ink-soft);
  font-size: 12px;
  font-weight: 700;
}

.basis-field label {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  padding: 10px;
  cursor: pointer;
}

.basis-field label:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.basis-field input {
  margin-top: 4px;
  accent-color: var(--color-primary);
}

.basis-field span,
.basis-field strong,
.basis-field small {
  display: block;
}

.basis-field strong {
  font-size: 11px;
}

.result-panel {
  position: sticky;
  top: 94px;
  background: var(--color-surface);
  transition: border-color var(--transition), opacity var(--transition);
}

.result-panel.is-stale {
  border-color: color-mix(in oklch, var(--color-primary) 42%, var(--color-border));
}

.result-panel.is-stale .calculation-breakdown,
.result-panel.is-stale .formula-box,
.result-panel.is-stale .plan-recommendation {
  opacity: 0.62;
}

.result-estimate {
  min-height: 66px;
  margin-top: 26px;
  color: var(--color-primary-ink);
  font-size: clamp(30px, 4vw, 43px);
  font-weight: 830;
  letter-spacing: -0.04em;
  line-height: 1.15;
  overflow-wrap: anywhere;
}

.result-panel > p {
  margin: 12px 0 0;
  color: var(--color-muted);
  font-size: 12px;
}

.calculation-breakdown {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
  margin: 24px 0 0;
}

.calculation-breakdown > div {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  padding: 13px;
}

.calculation-breakdown dt {
  color: var(--color-muted);
  font-size: 10px;
}

.calculation-breakdown dd {
  margin: 3px 0 0;
  color: var(--color-ink);
  font-size: 15px;
  font-weight: 780;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.formula-box {
  display: grid;
  gap: 5px;
  margin-top: 14px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-strong);
  padding: 12px 14px;
}

.formula-box span {
  color: var(--color-muted);
  font-size: 10px;
}

.formula-box code {
  color: var(--color-ink-soft);
  font: 650 11px/1.6 ui-monospace, SFMono-Regular, Consolas, monospace;
  overflow-wrap: anywhere;
}

.result-caveat {
  line-height: 1.7;
}

.result-panel .result-actions {
  flex-wrap: wrap;
  margin-top: 18px;
}

.plan-recommendation {
  margin-top: 24px;
  border: 1px solid color-mix(in oklch, var(--color-primary) 27%, var(--color-border));
  border-radius: var(--radius-md);
  background: var(--color-bg);
  padding: 20px;
}

.recommendation-label {
  display: inline-flex;
  min-height: 25px;
  align-items: center;
  border-radius: 999px;
  background: var(--color-primary-soft);
  padding: 3px 9px;
  color: var(--color-primary-ink);
  font-size: 10px;
  font-weight: 760;
}

.plan-recommendation h3 {
  margin: 10px 0 5px;
  font-size: 19px;
  letter-spacing: -0.02em;
  line-height: 1.4;
  text-wrap: balance;
}

.plan-recommendation > p {
  margin: 0;
  color: var(--color-muted);
  font-size: 11px;
}

.plan-recommendation dl {
  margin: 15px 0;
}

.plan-recommendation dl div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid var(--color-border);
  padding: 8px 0;
}

.plan-recommendation dt,
.plan-recommendation dd {
  margin: 0;
  font-size: 11px;
}

.plan-recommendation dt {
  color: var(--color-muted);
}

.plan-recommendation dd {
  color: var(--color-ink-soft);
  font-weight: 750;
  text-align: right;
}

.plan-recommendation .button {
  width: 100%;
}

.plan-recommendation > small {
  display: block;
  margin-top: 9px;
  color: var(--color-muted);
  font-size: 9px;
  line-height: 1.6;
  text-align: center;
}

.bandwidth-explainer {
  background: var(--color-surface);
  padding-block: 92px;
}

.explainer-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  align-items: start;
  gap: 70px;
}

.explainer-layout .section-heading {
  margin: 0;
}

.bandwidth-factors {
  margin: 0;
  padding: 0;
  list-style: none;
}

.bandwidth-factors li {
  display: grid;
  grid-template-columns: 145px minmax(0, 1fr);
  gap: 22px;
  border-top: 1px solid var(--color-border-strong);
  padding: 17px 0;
}

.bandwidth-factors strong {
  font-size: 13px;
}

.bandwidth-factors span {
  color: var(--color-muted);
  font-size: 12px;
}

.bandwidth-reference,
.planning-guide {
  padding-block: 92px 22px;
}

.reference-table-wrap {
  margin-top: 30px;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.reference-table-wrap table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-bg);
}

.reference-table-wrap th,
.reference-table-wrap td {
  padding: 13px 18px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-ink-soft);
  font-size: 12px;
  text-align: left;
}

.reference-table-wrap th {
  background: var(--color-surface);
  color: var(--color-muted);
  font-size: 11px;
  font-weight: 720;
}

.reference-table-wrap td:nth-child(2) {
  font-weight: 760;
  font-variant-numeric: tabular-nums;
}

.reference-table-wrap tbody tr:last-child td {
  border-bottom: 0;
}

.planning-guide ol {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.planning-guide li {
  display: flex;
  gap: 15px;
  border-top: 1px solid var(--color-border-strong);
  padding-top: 17px;
}

.planning-guide li > span {
  display: grid;
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--color-primary-ink);
  font-size: 11px;
  font-weight: 800;
}

.planning-guide strong {
  font-size: 14px;
}

.planning-guide p {
  margin: 5px 0 0;
  color: var(--color-muted);
  font-size: 12px;
}

.saving-section {
  margin-top: 78px;
  background: var(--color-ink);
  color: white;
  padding-block: 58px;
}

.saving-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  align-items: start;
  gap: 64px;
}

.saving-layout .section-label {
  color: var(--color-primary);
}

.saving-layout h2 {
  margin: 7px 0 0;
  font-size: 27px;
  letter-spacing: -0.03em;
}

.saving-layout > p {
  max-width: 72ch;
  margin: 0;
  color: oklch(0.82 0 0);
  font-size: 13px;
}

.bandwidth-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 27px;
}

.bandwidth-tools a {
  display: grid;
  min-width: min(100%, 230px);
  flex: 1;
  gap: 4px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 17px;
  transition: border-color var(--transition), background-color var(--transition);
}

.bandwidth-tools a:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.bandwidth-tools strong {
  font-size: 13px;
}

.bandwidth-tools span {
  color: var(--color-muted);
  font-size: 11px;
}

@media (max-width: 1020px) {
  .calculator-layout {
    grid-template-columns: 1fr;
  }

  .result-panel {
    position: static;
  }

  .explainer-layout,
  .saving-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 760px) {
  .planning-guide ol {
    grid-template-columns: 1fr;
  }

  .bandwidth-reference,
  .planning-guide {
    padding-block: 74px 14px;
  }
}

@media (max-width: 560px) {
  .bandwidth-hero {
    padding-bottom: 42px;
  }

  .bandwidth-hero__fact {
    border-radius: var(--radius-md);
  }

  .bandwidth-hero__fact small {
    width: 100%;
  }

  .bandwidth-workbench {
    padding-bottom: 80px;
  }

  .calculator-panel,
  .result-panel {
    padding: 20px;
  }

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

  .mode-switch,
  .planner-tabs,
  .scenario-list,
  .planner-panel--split,
  .planner-panel--threaded,
  .basis-field,
  .calculation-breakdown {
    grid-template-columns: 1fr;
  }

  .planner-tabs button {
    min-height: 36px;
  }

  .number-with-unit {
    grid-template-columns: minmax(0, 1fr) 76px;
  }

  .bandwidth-factors li {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .bandwidth-explainer {
    padding-block: 72px;
  }

  .reference-table-wrap th,
  .reference-table-wrap td {
    padding: 11px 13px;
    white-space: nowrap;
  }

  .saving-section {
    margin-top: 60px;
  }

  .result-panel .result-actions .button {
    flex: 1 1 140px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mode-switch button,
  .planner-tabs button,
  .scenario-list button,
  .bandwidth-tools a {
    transition: none;
  }
}