:host {
  display: block;
  min-block-size: 0;
}

.merchant {
  display: grid;
  gap: var(--ar-space-4);
  align-content: start;
  padding: var(--ar-space-5);
  border: 1px solid var(--ar-border);
  border-radius: var(--ar-radius-md);
  background:
    linear-gradient(180deg, rgb(201 164 95 / 0.06), transparent 28%),
    var(--ar-panel);
}

.merchant__status {
  padding: var(--ar-space-5);
  color: var(--ar-text-muted);
}

.merchant__status--error {
  display: grid;
  justify-items: start;
  gap: var(--ar-space-3);
  color: var(--ar-danger);
}

/* Portrait first, at a size that reads as a person rather than a list row
   (NPC spec §36). */
.merchant__identity {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--ar-space-4);
  align-items: start;
}

.merchant__portrait {
  inline-size: 7rem;
  block-size: 7rem;
  object-fit: cover;
  border: 1px solid var(--ar-border-highlight);
  border-radius: var(--ar-radius-md);
  background: var(--ar-panel-muted);
}

.merchant__naming {
  display: grid;
  gap: var(--ar-space-1);
}

.merchant__name {
  margin: 0;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.6rem;
  color: var(--ar-text);
}

.merchant__title {
  margin: 0;
  color: var(--ar-gold);
  font-size: var(--ar-font-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.merchant__description {
  margin: var(--ar-space-2) 0 0;
  max-inline-size: 60ch;
  color: var(--ar-text-muted);
  line-height: 1.55;
}

.merchant__dialogue {
  margin: 0;
  padding: var(--ar-space-4);
  border-inline-start: 2px solid var(--ar-border-highlight);
  background: var(--ar-panel-muted);
  color: var(--ar-text);
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.02rem;
  line-height: 1.6;
}

.merchant__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ar-space-2);
}

.merchant__button {
  padding: var(--ar-space-2) var(--ar-space-4);
  border: 1px solid var(--ar-border);
  border-radius: var(--ar-radius-sm);
  background: var(--ar-panel-muted);
  color: var(--ar-text);
  font: inherit;
  font-size: var(--ar-font-sm);
  cursor: pointer;
  transition: border-color var(--ar-motion-fast), color var(--ar-motion-fast);
}

.merchant__button:hover:not(:disabled) {
  border-color: var(--ar-border-highlight);
  color: var(--ar-gold);
}

.merchant__button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.merchant__button--active {
  border-color: var(--ar-border-highlight);
  color: var(--ar-gold);
}

.merchant__button--primary {
  border-color: var(--ar-border-highlight);
  color: var(--ar-gold);
}

.merchant__link {
  border: 0;
  background: none;
  color: var(--ar-blue);
  font: inherit;
  font-size: var(--ar-font-sm);
  cursor: pointer;
  text-decoration: underline;
}

.merchant__error {
  margin: 0;
  color: var(--ar-danger);
  font-size: var(--ar-font-sm);
}

.merchant__panel {
  display: grid;
  gap: var(--ar-space-3);
  padding-block-start: var(--ar-space-4);
  border-block-start: 1px solid var(--ar-border);
}

.merchant__panel-title {
  margin: 0;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.15rem;
  color: var(--ar-text);
}

.merchant__purse {
  margin: 0;
  color: var(--ar-gold);
  font-size: var(--ar-font-sm);
}

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

.trade-list,
.shop-list {
  display: grid;
  gap: var(--ar-space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.trade-row {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: var(--ar-space-3);
  align-items: center;
  padding: var(--ar-space-3);
  border: 1px solid var(--ar-border);
  border-radius: var(--ar-radius-sm);
  background: var(--ar-panel-muted);
}

/* Still listed, so the player can see what this merchant would take. */
.trade-row--empty {
  opacity: 0.55;
}

.trade-row__icon,
.shop-row__icon {
  inline-size: 2.25rem;
  block-size: 2.25rem;
  object-fit: contain;
}

.trade-row__naming,
.shop-row__naming {
  display: grid;
  gap: 0.1rem;
  min-inline-size: 0;
}

.trade-row__name,
.shop-row__name {
  color: var(--ar-text);
}

.trade-row__carried,
.shop-row__description {
  color: var(--ar-text-muted);
  font-size: 0.75rem;
}

.trade-row__value {
  display: grid;
  gap: 0.1rem;
  justify-items: end;
  text-align: end;
}

.trade-row__silver {
  color: var(--ar-gold);
  font-size: var(--ar-font-sm);
}

.trade-row__rep {
  color: var(--ar-text-muted);
  font-size: 0.72rem;
}

.trade-row__picker {
  display: flex;
  align-items: center;
  gap: var(--ar-space-1);
}

.trade-row__step {
  inline-size: 1.75rem;
  block-size: 1.75rem;
  border: 1px solid var(--ar-border);
  border-radius: var(--ar-radius-sm);
  background: var(--ar-panel);
  color: var(--ar-text);
  font: inherit;
  cursor: pointer;
}

.trade-row__step:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.trade-row__quantity {
  inline-size: 3.5rem;
  padding: var(--ar-space-1);
  border: 1px solid var(--ar-border);
  border-radius: var(--ar-radius-sm);
  background: var(--ar-panel);
  color: var(--ar-text);
  font: inherit;
  text-align: center;
}

.trade-footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ar-space-3);
  align-items: center;
  justify-content: space-between;
  padding-block-start: var(--ar-space-2);
}

.trade-footer__preview {
  margin: 0;
  color: var(--ar-text-muted);
  font-size: var(--ar-font-sm);
}

.trade-footer__preview strong {
  color: var(--ar-gold);
  font-weight: 600;
}

.trade-footer__buttons {
  display: flex;
  gap: var(--ar-space-2);
}

/* A quiet ledger, not a reward explosion (slice §10). */
.trade-summary {
  display: grid;
  gap: var(--ar-space-2);
  justify-items: start;
  padding: var(--ar-space-4);
  border: 1px solid var(--ar-border-highlight);
  border-radius: var(--ar-radius-sm);
  background: var(--ar-panel-muted);
}

.trade-summary__title {
  margin: 0;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1rem;
  color: var(--ar-gold);
}

.trade-summary__consumed,
.trade-summary__rewards {
  display: grid;
  gap: 0.15rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--ar-font-sm);
}

.trade-summary__consumed {
  color: var(--ar-text-muted);
}

.trade-summary__rewards {
  color: var(--ar-success);
}

.trade-summary__renown {
  color: var(--ar-gold);
  font-weight: 600;
}

.trade-summary__rank {
  margin: 0;
  color: var(--ar-blue);
  font-size: var(--ar-font-sm);
}

.shop-row {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: var(--ar-space-3);
  align-items: center;
  padding: var(--ar-space-3);
  border: 1px solid var(--ar-border);
  border-radius: var(--ar-radius-sm);
  background: var(--ar-panel-muted);
}

.shop-row__price {
  color: var(--ar-gold);
  font-size: var(--ar-font-sm);
}

.shop-row__effect {
  color: var(--ar-text);
  font-size: 0.75rem;
}

/* A lock the player can measure themselves against, not a dead end
   (slice 0.8.5 §5). */
.shop-row__requirement {
  color: var(--ar-gold);
  font-size: 0.75rem;
}

.shop-row__requirement--met {
  color: var(--ar-text-muted);
}

.shop-row__current {
  color: var(--ar-text-muted);
}

.shop-receipt {
  display: flex;
  gap: var(--ar-space-2);
  align-items: center;
  margin: 0;
  color: var(--ar-text-muted);
  font-size: var(--ar-font-sm);
}

@media (max-width: 40rem) {
  .merchant__identity {
    grid-template-columns: 1fr;
  }

  .trade-row,
  .shop-row {
    grid-template-columns: auto 1fr;
    row-gap: var(--ar-space-2);
  }

  .trade-row__value,
  .trade-row__picker {
    grid-column: 1 / -1;
    justify-content: start;
    justify-items: start;
    text-align: start;
  }
}