/* ==========================================================================
   Button
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: 0 var(--space-5);
  font-family: var(--font-label);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: var(--tracking-label);
  line-height: 1;
  text-transform: uppercase;
  text-align: center;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    transform var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out);
}

.btn--sm {
  min-height: 44px;
  padding: 0 var(--space-4);
}

.btn--full {
  display: flex;
  width: 100%;
}

.btn__icon {
  flex: none;
  transition: transform var(--duration-fast) var(--ease-out);
}

.btn:hover .btn__icon {
  transform: translateX(2px);
}

/* Primary, ink fill, cream label, red bottom edge revealed on hover */
.btn--primary {
  background: var(--color-ink);
  color: var(--color-cream);
  border-color: var(--color-ink);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 2px 0 0 var(--color-red);
}

/* Secondary, transparent with a 1px ink border */
.btn--secondary {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}

.btn--secondary:hover {
  transform: translateY(-2px);
  background: var(--color-ink);
  color: var(--color-cream);
}

/* Accent, red fill. Brand red is only 4.28:1 behind white text, so the
   fill uses the contrast-checked --color-red-fill (4.95:1) instead. */
.btn--accent {
  background: var(--color-red-fill);
  color: var(--color-white);
  border-color: var(--color-red-fill);
}

.btn--accent:hover {
  transform: translateY(-2px);
  background: #b8281b;
  border-color: #b8281b;
}

/* Text, no container */
.btn--text {
  min-height: 44px;
  padding: 0;
  background: none;
  color: var(--color-ink);
  border: 0;
  border-radius: 0;
}

.btn--text .btn__label {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.btn--text:hover .btn__label {
  text-decoration-color: var(--color-red);
  text-decoration-thickness: 2px;
}

/* On dark panels */
.btn--on-ink.btn--primary {
  background: var(--color-cream);
  color: var(--color-ink);
  border-color: var(--color-cream);
}

.btn--on-ink.btn--secondary {
  color: var(--color-cream);
  border-color: var(--color-cream);
}

.btn--on-ink.btn--secondary:hover {
  background: var(--color-cream);
  color: var(--color-ink);
}

.btn--on-ink.btn--text {
  color: var(--color-cream);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.45;
  box-shadow: none;
  transform: none;
  cursor: not-allowed;
  pointer-events: none;
}

/* ==========================================================================
   Badge
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-label);
  font-weight: 700;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.badge--label {
  padding: 7px var(--space-3);
  background: var(--color-ink);
  color: var(--color-cream);
  border-radius: var(--radius-sm);
}

.badge--ticket {
  padding: 6px var(--space-3);
  background: transparent;
  color: var(--color-ink);
  border: 1px solid currentColor;
  border-radius: var(--radius-sm);
  box-shadow: 0 0 0 1px var(--color-paper) inset;
}

.badge--seal {
  width: 78px;
  height: 78px;
  padding: var(--space-2);
  font-size: 0.625rem;
  text-align: center;
  line-height: 1.2;
  justify-content: center;
  border: 1.5px solid currentColor;
  border-radius: var(--radius-pill);
  background: var(--color-paper);
  color: var(--color-ink);
}

.badge--collector.badge--label {
  background: var(--color-gold);
  color: var(--color-ink);
}

.badge--collector.badge--ticket,
.badge--collector.badge--seal {
  color: var(--color-gold-text);
  border-color: var(--color-gold-text);
}

.badge--verified.badge--label {
  background: var(--color-grass);
  color: var(--color-white);
}

.badge--info.badge--label {
  background: var(--color-blue);
  color: var(--color-white);
}

/* ==========================================================================
   Chip
   ========================================================================== */

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 32px;
  padding: 0 var(--space-3);
  font-family: var(--font-label);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  line-height: 1;
  text-transform: uppercase;
  color: var(--color-ink);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  /* Condition strings vary in length and must never be truncated or spill
     out of the card, so the chip wraps instead of clipping. */
  max-width: 100%;
  padding-block: 6px;
  text-align: center;
  text-wrap: balance;
}

button.chip {
  min-height: 44px;
  cursor: pointer;
  transition:
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}

button.chip:hover {
  border-color: var(--color-ink);
}

.chip.is-selected {
  background: var(--color-ink);
  color: var(--color-cream);
  border-color: var(--color-ink);
}

.chip--collector {
  color: var(--color-gold-text);
  border-color: var(--color-gold);
}

.chip--sold {
  color: var(--color-red-text);
  border-color: var(--color-red-text);
}

/* ==========================================================================
   SpecList
   ========================================================================== */

.spec-list {
  border-top: var(--rule);
}

.spec-list__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: var(--rule);
}

.spec-list__label {
  color: var(--text-muted);
}

.spec-list__value {
  font-weight: 500;
  font-size: var(--body);
}

@media (min-width: 768px) {
  .spec-list__row {
    grid-template-columns: 150px 1fr;
    gap: var(--space-4);
    align-items: baseline;
  }
}