/* ============================================================
   INVENTORY PAGE — inventory.html
   ============================================================ */

/* PAGE HERO */
.inv-page-hero {
  background: var(--color-dark);
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.inv-page-hero .section-label { color: var(--color-accent); margin-bottom: var(--space-3); }
.inv-back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.45);
  margin-bottom: var(--space-6);
  transition: color var(--tr);
}
.inv-back-link:hover { color: rgba(255,255,255,0.8); }
.inv-back-link svg { flex-shrink: 0; }
.inv-page-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: #fff;
  line-height: 1.08;
  margin-bottom: var(--space-4);
  letter-spacing: 0.01em;
}
.inv-page-subtitle {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.5);
  max-width: 60ch;
  line-height: 1.6;
}

/* MAIN CONTENT */
.inv-page-main {
  padding-block: clamp(var(--space-10), 5vw, var(--space-20));
  background: var(--color-bg);
}

/* FILTER BAR */
.inv-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}
.inv-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.5em 1.1em;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1.5px solid var(--color-border);
  border-radius: 100px;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background var(--tr), border-color var(--tr), color var(--tr);
  white-space: nowrap;
}
.inv-filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(200,16,46,0.05);
}
.inv-filter-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.inv-filter-count {
  background: rgba(255,255,255,0.18);
  border-radius: 100px;
  font-size: 10px;
  font-weight: 700;
  padding: 0.1em 0.5em;
  min-width: 1.4em;
  text-align: center;
}
.inv-filter-btn:not(.active) .inv-filter-count {
  background: var(--color-surface-offset);
  color: var(--color-text-faint);
}

/* NFA NOTICE */
.inv-nfa-notice {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  background: rgba(200,16,46,0.06);
  border: 1px solid rgba(200,16,46,0.22);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.6;
}
.inv-nfa-notice svg { flex-shrink: 0; margin-top: 2px; color: var(--color-accent); }

/* TOOLBAR */
.inv-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}
.inv-result-count {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  font-style: italic;
  max-width: none;
  margin: 0;
}
.inv-search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.inv-search-wrap svg {
  position: absolute;
  left: var(--space-3);
  color: var(--color-text-faint);
  pointer-events: none;
}
.inv-search {
  padding: 0.55em var(--space-4) 0.55em 2.4em;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: 100px;
  color: var(--color-text);
  outline: none;
  width: 240px;
  transition: border-color var(--tr), box-shadow var(--tr);
}
.inv-search:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(200,16,46,0.1);
}
.inv-search::placeholder { color: var(--color-text-faint); }

/* PRODUCT GRID */
.inv-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-5);
  margin-bottom: var(--space-10);
}

/* PRODUCT CARD */
.inv-product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--tr), transform var(--tr), border-color var(--tr);
}
.inv-product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: rgba(200,16,46,0.3);
}
.inv-card-photo {
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-divider);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 180px;
  overflow: hidden;
  padding: var(--space-4);
}
.inv-card-photo img {
  max-height: 148px;
  max-width: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  transition: transform 0.35s ease;
}
.inv-product-card:hover .inv-card-photo img { transform: scale(1.04); }
.inv-card-photo-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  color: var(--color-text-faint);
  height: 100%;
  width: 100%;
}
.inv-card-photo-placeholder svg { opacity: 0.35; }
.inv-card-photo-placeholder span {
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.5;
}
.inv-card-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-5) var(--space-4);
  flex: 1;
}
.inv-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}
.inv-card-category {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(200,16,46,0.08);
  border: 1px solid rgba(200,16,46,0.18);
  border-radius: 100px;
  padding: 0.2em 0.65em;
  white-space: nowrap;
}
.inv-card-category.cat-nfa {
  color: #c87800;
  background: rgba(200,120,0,0.08);
  border-color: rgba(200,120,0,0.22);
}
.inv-card-qty {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-surface-offset);
  border-radius: var(--radius-sm);
  padding: 0.2em 0.55em;
  white-space: nowrap;
  flex-shrink: 0;
}
.inv-card-qty.qty-low { color: #c87800; background: rgba(200,120,0,0.1); }
.inv-card-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.45;
  flex: 1;
}
.inv-card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-divider);
  margin-top: auto;
}
.inv-card-price {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.inv-card-sku {
  font-size: 10px;
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
  font-family: 'Courier New', monospace;
  text-align: right;
  max-width: 50%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* EMPTY STATE */
.inv-empty {
  text-align: center;
  padding: var(--space-20) 0;
  color: var(--color-text-faint);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}
.inv-empty svg { opacity: 0.3; }
.inv-empty p { font-size: var(--text-base); max-width: none; }

/* NAV ACTIVE */
.nav-active { color: var(--color-accent) !important; }

/* FOOTER CTA */
.inv-page-footer-cta {
  background: var(--color-dark);
  padding-block: clamp(var(--space-12), 5vw, var(--space-16));
  border-top: 1px solid rgba(255,255,255,0.06);
}
.inv-footer-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.inv-footer-cta-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--space-2);
  max-width: none;
}
.inv-footer-cta-sub {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.5);
  max-width: 50ch;
}
.inv-footer-cta-actions {
  display: flex;
  gap: var(--space-4);
  flex-shrink: 0;
  flex-wrap: wrap;
}
.inv-page-footer-cta .btn-outline {
  color: rgba(255,255,255,0.7);
  border-color: rgba(255,255,255,0.25);
}
.inv-page-footer-cta .btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .inv-product-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
  .inv-footer-cta-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 680px) {
  .site-nav { display: none; }
  .theme-toggle { display: none; }
  .mobile-menu-btn { display: flex; }
  .inv-toolbar { flex-direction: column; align-items: flex-start; }
  .inv-search { width: 100%; }
  .inv-search-wrap { width: 100%; }
  .inv-product-grid { grid-template-columns: 1fr 1fr; gap: var(--space-3); }
  .inv-card-photo { height: 140px; }
}
@media (max-width: 460px) {
  .inv-product-grid { grid-template-columns: 1fr; }
  .inv-filter-btn { font-size: 11px; padding: 0.4em 0.85em; }
  .inv-footer-cta-actions { flex-direction: column; width: 100%; }
  .inv-footer-cta-actions .btn { justify-content: center; }
}

/* Image fade-in — starts transparent, onload sets opacity:1 */
.inv-card-photo .inv-card-img {
  opacity: 0;
  transition: opacity 0.3s ease;
}

/* ============================================================
   LIGHTBOX
   ============================================================ */

/* Clickable cursor on card images */
.inv-card-photo img.inv-card-img {
  cursor: zoom-in;
}

/* Overlay */
#invLightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}
#invLightbox[hidden] { display: none; }

.inv-lb-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.inv-lb-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: min(90vw, 820px);
  max-height: 90vh;
  padding: 1rem;
}

#invLightboxImg {
  display: block;
  max-width: 100%;
  max-height: calc(90vh - 80px);
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 8px 48px rgba(0,0,0,0.6);
  background: #fff;
}

.inv-lb-caption {
  margin-top: 0.75rem;
  color: rgba(255,255,255,0.75);
  font-size: 0.875rem;
  text-align: center;
  max-width: 60ch;
  line-height: 1.4;
}

.inv-lb-close {
  position: absolute;
  top: -0.25rem;
  right: -0.25rem;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s;
  flex-shrink: 0;
  align-self: flex-end;
  margin-bottom: 0.5rem;
}
.inv-lb-close:hover { background: rgba(255,255,255,0.22); }