.calc-hub,
.btc-page {
  padding-block: var(--space-10);
}

.calc-hub__header,
.btc-page__header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.btc-page__header {
  display: flex;
  flex-wrap: wrap;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.calc-hub__header h1,
.btc-page__header h1 {
  margin-bottom: var(--space-3);
}

.calc-hub__intro,
.btc-page__intro {
  max-width: 46rem;
  margin: 0 auto;
  color: var(--color-text-muted);
}

.btc-page__intro a,
.calc-card:hover .calc-card__title {
  color: var(--color-amber);
}

.calc-hub__grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
  max-width: 28rem;
  margin-inline: auto;
}

@media (min-width: 640px) {
  .calc-hub__grid {
    max-width: none;
    grid-template-columns: repeat(2, 1fr);
  }
}

.calc-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-5);
  color: inherit;
  text-decoration: none;
  background:
    linear-gradient(180deg, rgb(245 197 66 / 0.05), transparent 45%),
    var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition:
    border-color var(--transition-base),
    transform var(--transition-base);
}

.calc-card:hover {
  border-color: rgb(245 197 66 / 0.45);
  transform: translateY(-2px);
  color: inherit;
}

.calc-card__media {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  width: 100%;
  max-width: 9rem;
  margin-inline: auto;
  background:
    radial-gradient(circle at 30% 20%, rgb(245 197 66 / 0.14), transparent 55%),
    var(--color-bg-deep);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.calc-card__media img {
  width: 64%;
  height: 64%;
  object-fit: contain;
}

.calc-card__body {
  text-align: center;
}

.calc-card__title {
  margin: 0 0 var(--space-2);
  font-size: var(--text-lg);
  color: var(--color-text-bright);
}

.calc-card__desc {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.btc-guide {
  margin-bottom: var(--space-6);
  padding: var(--space-5);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
}

.btc-guide h2 {
  margin-bottom: var(--space-3);
  font-size: var(--text-lg);
}

.btc-guide ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--color-text-muted);
}

.btc-guide li + li {
  margin-top: var(--space-2);
}

.btc-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
  margin-bottom: var(--space-4);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  background: linear-gradient(180deg, rgb(245 197 66 / 0.06), transparent 80%),
    var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
}

.btc-prices {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .btc-prices {
    grid-template-columns: repeat(2, 1fr);
  }
}

.btc-price-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  color: inherit;
  text-decoration: none;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
}

.btc-price-card:hover {
  border-color: rgb(245 197 66 / 0.4);
  color: inherit;
}

.btc-price-card img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  background: var(--color-bg-deep);
  border-radius: var(--radius-sm);
}

.btc-price-card__name {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.btc-price-card__value {
  display: block;
  font-weight: 600;
  color: var(--color-text-bright);
}

.btc-toolbar {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding: var(--space-4);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  align-items: end;
}

@media (min-width: 768px) {
  .btc-toolbar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .btc-toolbar {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

.btc-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 2.75rem;
  font-size: var(--text-sm);
  color: var(--color-text);
  cursor: pointer;
  user-select: none;
}

.btc-toggle input {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--color-amber);
}

.btc-results-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  background: var(--color-bg-elevated);
}

.btc-table {
  margin: 0;
  min-width: 52rem;
}

.btc-table tbody tr.is-focus td {
  background: rgb(245 197 66 / 0.08);
}

.barter-page {
  max-width: 80rem;
}

.barter-filters {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding: var(--space-4);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  grid-template-columns: 1fr;
  align-items: center;
}

@media (min-width: 720px) {
  .barter-filters {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 0.8fr) auto auto;
  }
}

.barter-req__arena {
  margin-left: 0.25rem;
  padding: 0.05rem 0.35rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-amber);
  border: 1px solid rgb(245 197 66 / 0.35);
  border-radius: var(--radius-sm);
  background: rgb(245 197 66 / 0.08);
  vertical-align: middle;
}

.barter-filters__field input,
.barter-filters__field select {
  width: 100%;
  min-height: 2.5rem;
  padding: 0.45rem 0.7rem;
  color: var(--color-text);
  background: var(--color-bg-deep);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.barter-filters__check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  cursor: pointer;
  user-select: none;
}

.barter-filters__check input {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--color-amber);
}

.barter-count {
  margin: 0 0 var(--space-3);
  font-size: var(--text-sm);
}

.barter-table-wrap {
  margin-bottom: var(--space-8);
}

.barter-table {
  min-width: 58rem;
}

.barter-table .th-sort {
  padding: 0;
  font: inherit;
  font-weight: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

.barter-table .th-sort[aria-pressed='true'] {
  color: var(--color-amber);
}

.barter-item-cell,
.barter-req {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: inherit;
  text-decoration: none;
}

.barter-item-cell:hover,
.barter-req:hover {
  color: var(--color-amber);
}

.barter-thumb {
  width: 36px;
  height: 36px;
  object-fit: contain;
  background: var(--color-bg-deep);
  border-radius: var(--radius-sm);
  flex: 0 0 auto;
}

.barter-thumb--empty {
  display: inline-block;
  background: var(--color-bg-deep);
}

.barter-reqs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.6rem;
  margin-bottom: 0.25rem;
}

.barter-req .barter-thumb {
  width: 28px;
  height: 28px;
}

.barter-cost-total {
  font-weight: 600;
  color: var(--color-text-bright);
}

.barter-sell-to {
  font-size: var(--text-xs);
}

.barter-profit--pos {
  color: #8fce6a;
  font-weight: 600;
}

.barter-profit--neg {
  color: #e07a6a;
  font-weight: 600;
}

.barter-faq h3 {
  margin: var(--space-4) 0 var(--space-2);
  font-size: var(--text-base);
}

.barter-faq p {
  margin: 0;
  color: var(--color-text-muted);
}