.page-cost main {
  padding-bottom: var(--space-8);
}

.cost-frontier {
  min-width: 0;
  padding-block: var(--space-6) var(--space-8);
}

.cost-frontier-toolbar {
  display: grid;
  grid-template-columns: 1fr 1.45fr 0.85fr 0.85fr 0.9fr auto auto;
  align-items: end;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding: var(--space-4);
  border: 1px solid #3d4b46;
  border-radius: var(--family-radius-small);
  background: #202c28;
  box-shadow: var(--family-shadow-small);
}

.cost-frontier-toolbar label,
.cost-frontier-display {
  min-width: 0;
  margin: 0;
}

.cost-frontier-toolbar label > span,
.cost-frontier-display legend {
  display: block;
  margin: 0 0 0.38rem;
  padding: 0;
  color: #b8c2be;
  font-size: 0.68rem;
  font-weight: 780;
  letter-spacing: 0.09em;
  line-height: 1.2;
  text-transform: uppercase;
}

.cost-frontier-toolbar select,
.cost-frontier-toolbar button {
  width: 100%;
  min-height: 2.8rem;
  border: 1px solid #52605b;
  border-radius: 0.65rem;
  background: #fdfcf8;
  color: var(--color-ink);
  font-size: 0.84rem;
  font-weight: 650;
}

.cost-frontier-toolbar select {
  padding: 0.65rem 2.2rem 0.65rem 0.78rem;
  text-overflow: ellipsis;
}

.cost-frontier-display {
  display: grid;
  min-width: 13.5rem;
  grid-template-columns: repeat(2, 1fr);
  border: 0;
  gap: 0.35rem;
}

.cost-frontier-display legend {
  grid-column: 1 / -1;
}

.cost-frontier-display button,
.cost-frontier-reset {
  padding: 0.55rem 0.72rem;
}

.cost-frontier-display button[aria-pressed="true"] {
  border-color: #9fb4ff;
  background: var(--color-sapphire);
  color: #fff;
}

.cost-frontier-toolbar .cost-frontier-reset {
  width: auto;
  min-width: 5rem;
  border-color: #81908a;
  background: transparent;
  color: #f3f5f4;
}

.cost-frontier-toolbar .cost-frontier-reset:hover {
  border-color: #f3f5f4;
}

.cost-frontier-coverage {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 1rem;
  margin: 0 0 var(--space-4);
  color: var(--color-muted);
  font-size: 0.78rem;
}

.cost-frontier-coverage strong {
  color: var(--color-ink);
}

.cost-frontier-coverage span::before {
  margin-right: 1rem;
  color: var(--color-rule-strong);
  content: "·";
}

.cost-frontier-card {
  overflow: hidden;
  border: 1px solid #35433e;
  border-radius: var(--family-radius);
  background: #15211d;
  color: #f4f6f5;
  box-shadow: var(--family-shadow);
}

.cost-frontier-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-6);
  padding: clamp(1.3rem, 3vw, 2.2rem);
  border-bottom: 1px solid #34423d;
}

.cost-frontier-card-header > div:first-child {
  max-width: 58rem;
}

.cost-frontier-card h2,
.cost-frontier-card h3 {
  color: #fff;
}

.cost-frontier-card h2 {
  margin-bottom: var(--space-3);
  font-size: clamp(2rem, 4vw, 3.55rem);
}

.cost-frontier-card h3 {
  font-family: var(--font-interface);
  font-size: 0.82rem;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cost-frontier-card p {
  color: #b9c3bf;
}

.cost-frontier-card .eyebrow {
  margin-bottom: var(--space-3);
  color: #a9b9ff;
}

.cost-frontier-card-header > div > p:last-child {
  max-width: 54rem;
  margin-bottom: 0;
}

.cost-frontier-actions {
  display: flex;
  flex: 0 0 auto;
  gap: var(--space-2);
}

.cost-frontier-actions button {
  min-height: 2.75rem;
  padding: 0.65rem 0.95rem;
  border: 1px solid #68756f;
  border-radius: 0.65rem;
  background: transparent;
  color: #f7f9f8;
  font-size: 0.76rem;
  font-weight: 760;
}

.cost-frontier-actions button:hover {
  border-color: #fff;
  background: #26332e;
}

.cost-frontier-key {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.25rem;
  margin: 0;
  padding: 0.85rem clamp(1.3rem, 3vw, 2.2rem);
  border-bottom: 1px solid #34423d;
  color: #c8d1cd;
  font-size: 0.75rem;
  list-style: none;
}

.cost-frontier-key li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.cost-key-diamond,
.cost-key-circle {
  flex: 0 0 auto;
  width: 0.6rem;
  height: 0.6rem;
  background: currentColor;
}

.cost-key-diamond { transform: rotate(45deg); }
.cost-key-circle { border-radius: 50%; }

.cost-frontier-status {
  min-height: 1.45rem;
  margin: 0;
  padding: 0.7rem clamp(1.3rem, 3vw, 2.2rem);
  border-bottom: 1px solid #34423d;
  color: #c8d1cd !important;
  font-family: var(--font-data);
  font-size: 0.72rem;
}

.cost-frontier-stage {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 3.2fr) minmax(15rem, 1fr);
  gap: var(--space-5);
  padding: clamp(1.1rem, 2.4vw, 1.8rem);
}

.cost-frontier-figure {
  min-width: 0;
  margin: 0;
}

#cost-frontier-chart {
  width: 100%;
  min-height: 38rem;
  overflow: hidden;
  border-radius: 0.85rem;
  background: #fff;
  color: var(--color-ink);
}

.cost-frontier-loading {
  display: grid;
  min-height: 38rem;
  place-items: center;
  margin: 0;
  color: var(--color-muted) !important;
}

.cost-frontier-figure figcaption {
  margin-top: var(--space-3);
  color: #aab5b0;
  font-size: 0.72rem;
}

.cost-frontier-aside {
  min-width: 0;
  padding: var(--space-5);
  border: 1px solid #34423d;
  border-radius: 0.85rem;
  background: #1c2924;
}

.cost-frontier-aside > p {
  font-size: 0.78rem;
}

.cost-frontier-family-list {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-5);
}

.cost-family-option {
  display: grid;
  width: 100%;
  min-height: 3rem;
  grid-template-columns: 0.75rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid #46534e;
  border-radius: 0.65rem;
  background: #26332e;
  color: #f5f7f6;
  font-size: 0.78rem;
  font-weight: 690;
  text-align: left;
}

.cost-family-option:hover,
.cost-family-option[aria-pressed="true"] {
  border-color: #a9b9ff;
  background: #303d38;
}

.cost-family-option[aria-pressed="true"] {
  box-shadow: inset 3px 0 0 #8aa3ff;
}

.cost-family-swatch {
  width: 0.65rem;
  height: 0.65rem;
  border: 2px solid rgb(255 255 255 / 0.65);
  border-radius: 50%;
  background: var(--family-color, #8aa3ff);
}

.cost-family-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cost-family-count {
  color: #aab5b0;
  font-family: var(--font-data);
  font-size: 0.65rem;
}

.cost-frontier-family-status {
  min-height: 2.4rem;
  margin: var(--space-4) 0 0;
  color: #a9b9ff !important;
  font-size: 0.72rem !important;
}

.cost-frontier-provenance {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2) var(--space-5);
  padding: var(--space-4) clamp(1.3rem, 3vw, 2.2rem);
  border-top: 1px solid #34423d;
  color: #aab5b0;
  font-size: 0.68rem;
}

.cost-frontier-provenance code {
  color: #d9dfdc;
}

.cost-frontier-summary,
.cost-frontier-method,
.cost-frontier-unavailable {
  margin-top: var(--space-5);
  padding: clamp(1.25rem, 2.4vw, 1.8rem);
  border: var(--rule);
  border-radius: var(--family-radius-small);
  background: var(--color-paper);
}

.cost-frontier-summary h2 {
  margin-bottom: var(--space-3);
  font-family: var(--font-interface);
  font-size: 0.82rem;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cost-frontier-summary h3 {
  margin: var(--space-5) 0 var(--space-2);
  font-family: var(--font-interface);
  font-size: 0.82rem;
  font-weight: 760;
  letter-spacing: 0;
}

.cost-frontier-summary p,
.cost-frontier-summary li,
.cost-frontier-method p,
.cost-frontier-method summary,
.cost-frontier-unavailable p {
  font-size: 0.84rem;
}

.cost-frontier-summary p:last-child,
.cost-frontier-method p:last-child,
.cost-frontier-unavailable p:last-child {
  margin-bottom: 0;
}

.cost-frontier-summary ul {
  margin-bottom: 0;
}

.cost-frontier-method summary {
  color: var(--color-ink);
  cursor: pointer;
  font-weight: 760;
}

.cost-frontier-method[open] summary {
  margin-bottom: var(--space-4);
}

@media (max-width: 1180px) {
  .cost-frontier-toolbar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .cost-frontier-display {
    min-width: 0;
    grid-column: span 2;
  }

  .cost-frontier-toolbar .cost-frontier-reset {
    width: 100%;
  }
}

@media (max-width: 920px) {
  .cost-frontier-stage {
    grid-template-columns: minmax(0, 1fr);
  }

  .cost-frontier-family-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #cost-frontier-chart,
  .cost-frontier-loading {
    min-height: 34rem;
  }
}

@media (max-width: 719px) {
  .cost-frontier {
    padding-top: var(--space-5);
  }

  .cost-frontier-toolbar {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .cost-frontier-display {
    grid-column: 1 / -1;
  }

  .cost-frontier-card-header {
    display: block;
  }

  .cost-frontier-actions {
    margin-top: var(--space-5);
  }

  .cost-frontier-actions button {
    flex: 1 1 0;
  }

  .cost-frontier-coverage {
    display: grid;
    gap: 0.2rem;
  }

  .cost-frontier-coverage span::before {
    display: none;
  }

  .cost-frontier-provenance {
    display: grid;
  }
}

@media (max-width: 479px) {
  .cost-frontier-toolbar {
    grid-template-columns: minmax(0, 1fr);
    padding: var(--space-3);
  }

  .cost-frontier-display {
    grid-column: auto;
  }

  .cost-frontier-stage {
    padding: 0.85rem;
  }

  #cost-frontier-chart,
  .cost-frontier-loading {
    min-height: 29rem;
  }

  .cost-frontier-aside {
    padding: var(--space-4);
  }

  .cost-frontier-family-list {
    grid-template-columns: minmax(0, 1fr);
  }
}