.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-text);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

.btn-danger {
  background: var(--color-surface);
  color: var(--color-danger);
  border: 1px solid color-mix(in srgb, var(--color-danger) 40%, transparent);
}

.btn-danger:hover {
  background: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
}

.btn-login {
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  padding: 5px 14px;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.btn-login:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-sm {
  padding: 6px 11px;
  font-size: 0.78rem;
}

/* Region tabs — head-to-toe browse, the catalogue's type filter. */
.region-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  margin-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 2px;
}
.region-tab {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-dim);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 8px 12px;
  margin-bottom: -3px;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.region-tab:hover { color: var(--color-text); }
.region-tab.is-active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}
.region-tab:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
  border-radius: var(--radius-sm);
}

/* Live filter toolbar */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-sm);
}
.filter-search {
  position: relative;
  flex: 1 1 320px;
  min-width: 220px;
}
.filter-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-dim);
  pointer-events: none;
}
.filter-search-input {
  padding-left: 36px;
}
.filter-controls {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}
.filter-controls .select {
  width: auto;
  min-width: 140px;
}

/* Active-filter chips */
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}
.filter-chips:empty { margin-bottom: 0; }
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-accent);
  background: var(--color-accent-subtle);
  border: 1px solid color-mix(in srgb, var(--color-accent) 30%, transparent);
  border-radius: 100px;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.filter-chip:hover {
  background: color-mix(in srgb, var(--color-accent) 16%, transparent);
}
.filter-chip-x { font-size: 1rem; line-height: 1; }
.filter-chip--clear {
  color: var(--color-text-secondary);
  background: transparent;
  border-color: var(--color-border);
}
.filter-chip--clear:hover {
  color: var(--color-danger);
  border-color: var(--color-danger);
  background: transparent;
}
#catalog-results[aria-busy="true"] { opacity: 0.55; transition: opacity 120ms ease; }

/* Inputs */
.input {
  background: var(--color-input-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 9px 12px;
  color: var(--color-text);
  font-size: 0.84rem;
  font-family: var(--font-body);
  width: 100%;
  transition: border-color var(--transition-fast);
}

.input::placeholder {
  color: var(--color-text-dim);
}

.input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.select {
  background: var(--color-input-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px 28px 8px 10px;
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  font-family: var(--font-body);
  width: 100%;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' fill='%23a69882'%3E%3Cpath d='M5 7L1 3h8z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

.select:focus {
  outline: none;
  border-color: var(--color-accent);
}

/* Catalog grid */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: var(--spacing-md);
}

.catalog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow var(--transition-normal);
}

.catalog-card:hover {
  box-shadow: var(--shadow-md);
}

.catalog-card-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-surface-alt);
}

.catalog-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.catalog-card-noimg {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-dim);
  font-size: 0.75rem;
}

.catalog-card-body {
  padding: var(--spacing-md);
}

.catalog-card-name {
  font-size: 0.84rem;
  font-weight: 600;
  margin-bottom: 2px;
  line-height: 1.3;
  color: var(--color-text);
}

.catalog-card-model {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  margin-bottom: var(--spacing-xs);
}

.catalog-card-similarity {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  font-style: italic;
  margin-bottom: var(--spacing-sm);
}

.catalog-card-footer {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.catalog-card-brand {
  font-size: 0.78rem;
  color: var(--color-text-dim);
}

.catalog-card-price {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-left: auto;
}

/* Badges */
.product-row-badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.3px;
}

.badge-fullset { background: var(--color-badge-fullset-bg); color: var(--color-badge-fullset); }
.badge-head { background: var(--color-badge-head-bg); color: var(--color-badge-head); }
.badge-body { background: var(--color-badge-body-bg); color: var(--color-badge-body); }
.badge-clothes { background: var(--color-badge-clothes-bg); color: var(--color-badge-clothes); }
.badge-feet { background: var(--color-badge-feet-bg); color: var(--color-badge-feet); }
.badge-accessories { background: var(--color-badge-accessories-bg); color: var(--color-badge-accessories); }
.badge-partial { background: var(--color-badge-partial-bg); color: var(--color-badge-partial); }
.badge-bust { background: var(--color-badge-bust-bg); color: var(--color-badge-bust); }
.badge-default { background: var(--color-badge-default-bg); color: var(--color-badge-default); }

/* ============================================================
   Collection cards — identity always visible, no hover-to-reveal.
   Same visual vocabulary as the catalogue card, plus inline actions.
   ============================================================ */
.collection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--spacing-md);
}

.collection-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow var(--transition-normal), border-color var(--transition-fast);
}
.collection-card:hover { box-shadow: var(--shadow-md); }
.collection-card:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.collection-card--hidden { opacity: 0.6; }

.collection-card-img {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-surface-alt);
}
.collection-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}
.collection-card-noimg {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--ph-ink, var(--color-accent));
  background:
    radial-gradient(120% 100% at 28% 16%,
      color-mix(in oklch, var(--ph-ink, var(--color-accent)) 14%, var(--color-surface)) 0%,
      var(--color-surface-alt) 72%);
}
.collection-card .part-tile-badge { top: 8px; left: 8px; }
.collection-card .part-tile-flag { top: 8px; right: 8px; }

.collection-card-body {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  flex: 1;
}
.collection-card-name {
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
}
.collection-card-meta {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
}
.collection-card-brand {
  font-size: 0.78rem;
  color: var(--color-text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.collection-card-price {
  margin-left: auto;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
}
.collection-card-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: auto;
  padding-top: var(--spacing-sm);
}
.collection-card-actions .btn { flex: 1; }

/* ============================================================
   Part tiles — image-first square grid (collection, pickers)
   ============================================================ */
.part-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(134px, 1fr));
  gap: var(--spacing-md);
}

.part-tile {
  position: relative;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface-alt);
  cursor: pointer;
  transition: box-shadow var(--transition-normal),
    border-color var(--transition-fast), transform var(--transition-fast);
}
.part-tile:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}
.part-tile:active { transform: scale(0.985); }
.part-tile--hidden { opacity: 0.62; }

.part-tile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  display: block;
}

/* Type-tinted monogram placeholder for image-less parts */
.part-tile-ph {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px;
  text-align: center;
  background:
    radial-gradient(120% 100% at 28% 16%,
      color-mix(in oklch, var(--ph-ink, var(--color-accent)) 14%, var(--color-surface)) 0%,
      var(--color-surface-alt) 72%);
}
.part-tile-ph-mono {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.45rem;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ph-ink, var(--color-accent));
}
.part-tile-ph-name {
  font-size: 0.75rem;
  line-height: 1.3;
  color: var(--color-text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Resting corner badge (type) */
.part-tile-badge {
  position: absolute;
  top: 6px;
  left: 6px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}
.part-tile-flag {
  position: absolute;
  top: 6px;
  right: 6px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  background: rgba(28, 22, 12, 0.55);
  color: #fff;
  backdrop-filter: blur(2px);
}

/* Hover/focus detail overlay */
.part-tile-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 5px;
  padding: var(--spacing-sm);
  color: #fff;
  background: linear-gradient(
    to top,
    rgba(28, 22, 12, 0.94) 0%,
    rgba(28, 22, 12, 0.74) 42%,
    rgba(28, 22, 12, 0) 100%
  );
  opacity: 0;
  transition: opacity var(--transition-normal);
}
.part-tile:hover .part-tile-overlay,
.part-tile:focus-within .part-tile-overlay {
  opacity: 1;
}
.part-tile-overlay-name {
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.25;
  cursor: pointer;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.part-tile-overlay-name:hover { color: #f1c9a8; }
.part-tile-overlay-meta {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.part-tile-overlay-brand {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.72);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.part-tile-overlay-price {
  margin-left: auto;
  font-size: 0.8rem;
  font-weight: 700;
  color: #f1c9a8;
}
.part-tile-actions {
  display: flex;
  gap: 5px;
  margin-top: 2px;
}
.part-tile-act {
  flex: 1;
  padding: 5px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.part-tile-act--primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.part-tile-act--primary:hover { background: var(--color-accent-hover); }
.part-tile-act--danger:hover {
  background: var(--color-danger);
  border-color: var(--color-danger);
}

/* Touch / no-hover: keep details legible without a pointer */
@media (hover: none) {
  .part-tile-overlay {
    opacity: 1;
    background: linear-gradient(
      to top,
      rgba(28, 22, 12, 0.9) 0%,
      rgba(28, 22, 12, 0.4) 60%,
      rgba(28, 22, 12, 0) 100%
    );
  }
}

/* Product list (for profile) */
.product-list {
  display: flex;
  flex-direction: column;
}

.product-row {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  align-items: center;
  gap: var(--spacing-md);
  padding: 10px var(--spacing-md);
  border-bottom: 1px solid var(--color-border-subtle);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.product-row:hover {
  background: var(--color-hover);
}

.product-row-name {
  font-size: 0.84rem;
  font-weight: 500;
}

.product-row-brand {
  font-size: 0.78rem;
  color: var(--color-text-dim);
}

.product-row-price {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(44, 36, 22, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--spacing-lg);
  animation: fadeIn 150ms ease;
}

.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 700px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: slideUp 200ms ease;
}

.modal-header {
  position: sticky;
  top: 0;
  background: var(--color-surface);
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.modal-close {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-dim);
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-text);
  background: var(--color-hover);
}

.modal-body {
  padding: var(--spacing-lg);
}

/* Auth form */
.auth-form {
  max-width: 280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.auth-form .btn-primary {
  margin-top: var(--spacing-sm);
}

.auth-toggle {
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
}

.auth-toggle button {
  color: var(--color-accent);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Detail layout */
.detail-layout {
  display: grid;
  grid-template-columns: minmax(320px, 38%) 1fr;
  gap: var(--spacing-xl);
}

.detail-gallery-main {
  aspect-ratio: 4/3;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface-alt);
  margin-bottom: var(--spacing-sm);
}

.detail-gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.detail-gallery-thumbs {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  margin-bottom: var(--spacing-md);
}

.detail-gallery-counter {
  font-size: 0.78rem;
  color: var(--color-text-dim);
  margin-right: var(--spacing-sm);
}

.detail-thumb {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  flex-shrink: 0;
}

.detail-thumb.active { border-color: var(--color-accent); }
.detail-thumb img { width: 100%; height: 100%; object-fit: cover; }

.detail-brand {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border-subtle);
}

.detail-brand-name { font-weight: 600; font-size: 0.88rem; }
.detail-brand-alt { font-size: 0.78rem; color: var(--color-text-dim); margin-left: var(--spacing-sm); }

.detail-price { font-size: 1rem; font-weight: 700; color: var(--color-accent); }

.detail-stores { display: flex; gap: var(--spacing-sm); flex-wrap: wrap; }
.detail-store-link {
  font-size: 0.78rem;
  color: var(--color-info);
  padding: 2px 8px;
  background: rgba(58, 111, 184, 0.06);
  border-radius: var(--radius-sm);
}

.detail-field { margin-bottom: var(--spacing-md); }
.detail-field label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-secondary);
  margin-bottom: 3px;
}
.detail-field span { font-size: 0.84rem; }
.detail-fields-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md); }

.detail-section {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.detail-section-title { font-size: 0.84rem; font-weight: 700; margin-bottom: var(--spacing-md); }

.detail-compat-list { display: flex; flex-wrap: wrap; gap: var(--spacing-sm); }
.detail-compat-tag {
  font-size: 0.78rem;
  padding: 4px 8px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
}
.detail-compat-tag:hover { border-color: var(--color-accent); }

.detail-combo-row { display: flex; align-items: center; gap: var(--spacing-md); padding: 6px 0; font-size: 0.84rem; }

.detail-reviews { display: flex; gap: var(--spacing-sm); }
.detail-review-btn { padding: 6px 12px; border-radius: var(--radius-sm); font-size: 0.78rem; font-weight: 600; color: #fff; }
.detail-review-blog { background: var(--color-info); }
.detail-review-yt { background: #c9302c; }

.detail-actions {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--spacing-md);
}
.detail-actions .btn { flex: 1; }

/* Revision history */
.revision-list { display: flex; flex-direction: column; gap: var(--spacing-md); }
.revision-row { padding: var(--spacing-md); background: var(--color-surface-alt); border: 1px solid var(--color-border); border-radius: var(--radius-md); }

/* Toast */
.toast-container {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background: var(--color-text);
  color: var(--color-bg);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  animation: slideUp 200ms ease;
}
.toast-message { flex: 1; }
.toast-action {
  flex-shrink: 0;
  font: inherit;
  font-weight: 700;
  color: var(--color-accent);
  background: transparent;
  border: none;
  padding: 2px 4px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.78rem;
}
.toast-action:hover { color: var(--color-accent-hover); text-decoration: underline; }
.toast-action:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* Results info */
.results-info {
  font-size: 0.82rem;
  color: var(--color-text-dim);
  margin-bottom: var(--spacing-md);
}

/* Load more */
.load-more { display: flex; justify-content: center; margin-top: var(--spacing-xl); }

/* Empty state */
.empty-state { text-align: center; padding: var(--spacing-xl) var(--spacing-lg); color: var(--color-text-secondary); }
.empty-state-icon { font-size: 2rem; margin-bottom: var(--spacing-md); opacity: 0.4; }

/* Loading */
.loading { display: flex; align-items: center; justify-content: center; padding: var(--spacing-2xl); color: var(--color-text-dim); font-size: 0.84rem; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 768px) {
  .detail-layout { grid-template-columns: 1fr; }
  .detail-fields-grid { grid-template-columns: 1fr 1fr; }
  .catalog-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .modal { max-height: 95vh; }
  .filter-row { grid-template-columns: 1fr 1fr; }
  /* Region tabs scroll horizontally instead of wrapping into a tall block. */
  .region-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .region-tabs::-webkit-scrollbar { display: none; }
}

@media (max-width: 480px) {
  .catalog-grid,
  .part-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: var(--spacing-sm); }
  .detail-fields-grid { grid-template-columns: 1fr; }
  .detail-actions { flex-direction: column; }
  .filter-row { grid-template-columns: 1fr; }
  .product-row { grid-template-columns: 1fr auto; gap: var(--spacing-sm); }
  .product-row-brand { grid-column: 1 / -1; }
}

/* Prevent iOS zoom-on-focus: form controls must be >=16px on touch screens */
@media (max-width: 640px) {
  .input, .select, textarea, .combo-input { font-size: 16px; }
}

/* Comfortable touch targets on devices without a precise pointer */
@media (hover: none) {
  .modal-close { width: 44px; height: 44px; font-size: 1.4rem; }
}