/* ============================================================
   single.css — merged single inv_item bundle (Phase 15)
   Source files:
     1. single-inv-item.css (page layout)
     2. inv-detail.css (detail components)
   ============================================================ */

/* ---- 1. single-inv-item.css ---- */
.inv-detail {
    margin: 0 auto;
    padding: var(--space-lg, 1.5rem) 0;
}

.inv-detail__layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    gap: var(--space-xl, 2rem);
    align-items: start;
}

.inv-detail__media {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg, 1.5rem);
}

.inv-detail__sidebar {
    position: sticky;
    top: var(--space-md, 1rem);
    display: flex;
    flex-direction: column;
    gap: var(--space-md, 1rem);
    align-self: start;
}

.inv-detail__description {
    background: var(--color-surface, #fff);
    border: 1px solid var(--color-border, #DDD9D3);
    border-radius: 8px;
    padding: var(--space-lg, 1.5rem);
}

.inv-detail__description-title {
    margin: 0 0 var(--space-md, 1rem);
    font-size: 1.4rem;
    color: var(--color-secondary, #161a1f);
}

.inv-detail__description-content {
    color: var(--color-text, #1C1C1E);
    line-height: 1.6;
}

/* inv-info card */
.inv-info {
    background: var(--color-surface, #fff);
    border: 1px solid var(--color-border, #DDD9D3);
    border-radius: 8px;
    padding: var(--space-lg, 1.5rem);
    margin: 0;
}

.inv-info__type {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted, #6E6E73);
    margin: 0 0 0.5rem;
    font-weight: 600;
}

.inv-info__title {
    margin: 0 0 var(--space-md, 1rem);
    font-size: 1.6rem;
    line-height: 1.2;
    color: var(--color-secondary, #161a1f);
}

.inv-info__price {
    margin: 0 0 var(--space-md, 1rem);
    font-size: 2.1rem;
    font-weight: 700;
    color: var(--color-price, #e62a40);
}

.inv-info__price .price__currency {
    font-size: 0.6em;
    vertical-align: super;
    margin-right: 2px;
}

.inv-info__short {
    margin: 0 0 var(--space-md, 1rem);
    color: var(--color-text-muted, #6E6E73);
    line-height: 1.45;
    font-size: 0.95rem;
}

.inv-info__status {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin: 0 0 var(--space-sm, 0.5rem);
}

.inv-info__status--reserved {
    background: var(--color-status-reserved, #ff9800);
    color: #fff;
}

.inv-info__status--sold {
    background: var(--color-status-sold, #e62a40);
    color: #fff;
}

.inv-info__actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin: 0 0 var(--space-lg, 1.5rem);
}

.inv-info__notice {
    margin: 0 0 0.75rem;
    font-size: 0.9rem;
    color: var(--color-text-muted, #6E6E73);
    line-height: 1.45;
}

.button--block {
    width: 100%;
    justify-content: center;
}

/* Specs inside info-panel */
.inv-info__specs {
    margin-top: var(--space-md, 1rem);
    padding-top: var(--space-md, 1rem);
    border-top: 1px solid var(--color-border, #DDD9D3);
}

.inv-info__specs-title {
    margin: 0 0 var(--space-sm, 0.5rem);
    font-size: 1rem;
    color: var(--color-secondary, #161a1f);
}

.inv-info__specs-list {
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
}

.inv-info__specs-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.75rem;
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border, #DDD9D3);
}

.inv-info__specs-row:last-child {
    border-bottom: 0;
}

.inv-info__specs-label {
    font-size: 0.8rem;
    color: var(--color-text-muted, #6E6E73);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin: 0;
}

.inv-info__specs-value {
    font-size: 0.9rem;
    color: var(--color-text, #1C1C1E);
    font-weight: 500;
    margin: 0;
    text-align: right;
}

@media (max-width: 980px) {
    .inv-detail__layout {
        grid-template-columns: 1fr;
        gap: var(--space-lg, 1.5rem);
    }
    .inv-detail__sidebar {
        position: static;
    }
}

@media (max-width: 640px) {
    .inv-info {
        padding: var(--space-md, 1rem);
    }
    .inv-info__title {
        font-size: 1.35rem;
    }
    .inv-info__price {
        font-size: 1.75rem;
    }
}

/* ---- 2. inv-detail.css ---- */
.inv-detail {
  margin-bottom: var(--space-2xl);
}

.inv-detail__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: var(--space-2xl);
  align-items: start;
  margin-bottom: var(--space-xl);
}

.inv-detail__sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-md));
}

.inv-detail__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.inv-detail__description-title {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-md);
}

.inv-detail__description-content {
  font-size: var(--fs-md);
  line-height: var(--lh-body);
  color: var(--color-text);
}

.inv-detail__description-content p {
  margin-bottom: var(--space-md);
}

.inv-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-lg);
  background-color: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--card-radius);
}

.inv-info__status {
  display: inline-block;
  align-self: flex-start;
  padding: 6px 14px;
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  border-radius: var(--radius-sm);
}

.inv-info__status--reserved { background-color: var(--color-status-reserved); }
.inv-info__status--sold     { background-color: var(--color-status-sold); }

.inv-info__type {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0;
}

.inv-info__title {
  font-size: var(--fs-2xl);
  margin: 0;
  line-height: 1.2;
}

.inv-info__price {
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--color-price);
  margin: 0;
  line-height: 1;
}

.inv-info__short {
  font-size: var(--fs-md);
  color: var(--color-text);
  line-height: var(--lh-body);
  margin: 0;
}

.inv-info__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.inv-info__notice {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin: 0;
  padding: var(--space-sm);
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  text-align: center;
}

.inv-info__quick-specs {
  list-style: none;
  margin: 0;
  padding: var(--space-md) 0 0;
  border-top: var(--border-width) solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.inv-info__quick-specs-row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  font-size: var(--fs-sm);
}

.inv-info__quick-specs-label {
  color: var(--color-text-muted);
}

.inv-info__quick-specs-value {
  color: var(--color-text);
  font-weight: 500;
  text-align: right;
}

@media (max-width: 1024px) {
  .inv-detail__layout {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .inv-detail__sidebar {
    position: static;
  }
}

.inv-detail__description,
.specs,
.inv-lead {
  background-color: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--card-radius);
  padding: var(--space-xl);
}

.related-items {
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: var(--border-width) solid var(--color-border);
}

.related-items__title {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-lg);
}

.inv-lead__tabs {
  display: flex;
  gap: 0;
  border-bottom: var(--border-width) solid var(--color-border);
  margin-bottom: var(--space-lg);
}

.inv-lead__tab {
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--fs-md);
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: -1px;
  transition: all 0.15s ease;
}

.inv-lead__tab:hover {
  color: var(--color-text);
}

.inv-lead__tab--active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.inv-lead__intro {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.inv-lead__panel {
  display: none;
}

.inv-lead__panel--active {
  display: block;
}