/* ==========================================================================
   Каталог — Этап 4 (mobile-first)
   ========================================================================== */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

main.page-main.catalog-page {
  padding-block: 0;
}

/* Hero / breadcrumbs */
.catalog-hero {
  padding-block: var(--space-10) var(--space-8);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(
    180deg,
    rgba(232, 163, 23, 0.06) 0%,
    transparent 100%
  );
}

.catalog-hero.section {
  padding-block: var(--space-10) var(--space-8);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0 0 var(--space-4);
  padding: 0;
  list-style: none;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.breadcrumbs__item:not(:last-child)::after {
  content: "/";
  margin-left: var(--space-2);
  color: var(--border);
}

.breadcrumbs a {
  color: var(--text-secondary);
}

.breadcrumbs a:hover,
.breadcrumbs a:focus-visible {
  color: var(--accent);
}

.catalog-hero__title {
  margin: 0 0 var(--space-3);
  font-size: var(--text-2xl);
  letter-spacing: var(--tracking-heading);
}

.catalog-hero__lead {
  margin: 0;
  max-width: 42rem;
  color: var(--text-secondary);
  font-size: var(--text-base);
}

/* Layout */
.catalog-layout__inner {
  display: grid;
  gap: var(--space-6);
  padding-block: var(--space-8);
}

.catalog-filters-toggle {
  width: 100%;
  justify-content: center;
}

.catalog-filters {
  position: relative;
}

.catalog-filters__panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

.catalog-filters__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.catalog-filters__title {
  margin: 0;
  font-size: var(--text-lg);
}

.catalog-filters__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--transition-base), color var(--transition-base);
}

.catalog-filters__close:hover,
.catalog-filters__close:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

.catalog-filters__backdrop {
  display: none;
}

.catalog-filters__group {
  margin: 0 0 var(--space-5);
  padding: 0;
  border: none;
}

.catalog-filters__label {
  display: block;
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.catalog-filters__input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-base);
}

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

.catalog-filters__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-height: 10rem;
  overflow-y: auto;
}

.catalog-filters__check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-primary);
  cursor: pointer;
}

.catalog-filters__check input {
  margin-top: 0.2rem;
  accent-color: var(--accent);
  flex-shrink: 0;
}

.catalog-filters__check--solo {
  padding: var(--space-2) 0;
}

.catalog-filters__reset {
  width: 100%;
  justify-content: center;
}

/* Фильтр наличия (табы рядом с брендом) */
.catalog-stock-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.catalog-stock-filter__btn {
  flex: 1 1 auto;
  min-width: calc(33.333% - var(--space-2));
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  line-height: 1.3;
  color: var(--text-secondary);
  cursor: pointer;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  transition:
    color var(--transition-base),
    border-color var(--transition-base),
    background-color var(--transition-base),
    box-shadow var(--transition-base);
}

.catalog-stock-filter__btn:hover,
.catalog-stock-filter__btn:focus-visible {
  color: var(--text-primary);
  border-color: rgba(232, 163, 23, 0.35);
  outline: none;
}

.catalog-stock-filter__btn.is-active {
  color: var(--accent);
  background: rgba(232, 163, 23, 0.12);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(232, 163, 23, 0.25);
}

/* Mobile drawer */
@media (max-width: 767px) {
  .catalog-filters__panel {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1100;
    width: min(100%, 20rem);
    max-width: 90vw;
    margin: 0;
    border-radius: 0;
    border-right: 1px solid var(--border);
    transform: translateX(-110%);
    transition: transform var(--transition-base);
    overflow-y: auto;
  }

  .catalog-filters.is-open .catalog-filters__panel {
    transform: translateX(0);
  }

  .catalog-filters__backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 1090;
    background: rgba(0, 0, 0, 0.6);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
  }

  .catalog-filters.is-open .catalog-filters__backdrop {
    opacity: 1;
    pointer-events: auto;
  }

  .catalog-filters__backdrop[hidden] {
    display: none;
  }

  .catalog-filters.is-open .catalog-filters__backdrop {
    display: block;
  }
}

@media (min-width: 768px) {
  .catalog-filters-toggle,
  .catalog-filters__close,
  .catalog-filters__backdrop {
    display: none !important;
  }

  .catalog-layout__inner {
    grid-template-columns: minmax(240px, 280px) 1fr;
    align-items: stretch;
    gap: var(--space-8);
  }

  .catalog-filters {
    align-self: stretch;
  }

  .catalog-filters__panel {
    position: sticky;
    top: calc(var(--header-height) + var(--space-4));
    max-height: calc(100vh - var(--header-height) - var(--space-8));
    max-height: calc(100dvh - var(--header-height) - var(--space-8));
    overflow-y: auto;
    overscroll-behavior: contain;
  }
}

/* Toolbar */
.catalog-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.catalog-toolbar__count {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

#catalog-count-num {
  color: var(--accent-light);
  font-weight: 600;
}

.catalog-toolbar__sort {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.catalog-toolbar__sort-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  white-space: nowrap;
}

.catalog-toolbar__select {
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--text-primary);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.catalog-toolbar__select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Grid */
.catalog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 768px) {
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .catalog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Product card */
.catalog-card--interactive {
  cursor: pointer;
}

.catalog-card--interactive:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.catalog-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  opacity: 0;
  transform: translateY(1rem);
  transition:
    opacity 0.4s ease,
    transform 0.4s ease,
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.catalog-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.catalog-card:hover,
.catalog-card:focus-within {
  border-color: rgba(232, 163, 23, 0.35);
  box-shadow: var(--shadow-accent);
  transform: translateY(-4px);
}

.catalog-card.is-visible:hover {
  transform: translateY(-4px);
}

.catalog-card__inner {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 100%;
  cursor: pointer;
}

.catalog-card__media {
  position: relative;
  flex-shrink: 0;
  aspect-ratio: 1;
  background: var(--bg-dark);
  overflow: hidden;
}

.catalog-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: var(--bg-dark);
}

.catalog-card__media:has(.catalog-card__img--photo) {
  background: #ececee;
}

.catalog-card__img--photo {
  object-fit: contain;
  padding: var(--space-3);
  background: #ececee;
}

.catalog-card__badge {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  left: auto;
  z-index: 1;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
}

.catalog-card__badge--in-stock {
  color: #0d1a12;
  background: var(--form-success, #6bcf8a);
}

.catalog-card__badge--soon {
  color: var(--accent-light);
  background: rgba(232, 163, 23, 0.16);
  border: 1px solid rgba(232, 163, 23, 0.42);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.2);
}

.catalog-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: var(--space-4) var(--space-5) var(--space-5);
  gap: var(--space-2);
}

.catalog-card__brand {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.catalog-card__oem {
  margin: 0;
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--text-secondary);
}

.catalog-card__name {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: var(--leading-tight);
  min-height: 2.75rem;
  overflow-wrap: break-word;
  word-break: break-word;
}

.catalog-card__name a {
  color: inherit;
  text-decoration: none;
}

.catalog-card__name a:hover,
.catalog-card__name a:focus-visible {
  color: var(--accent-light);
}

.catalog-card__specs {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  min-height: 2.75rem;
  align-content: flex-start;
}

.catalog-card__specs li:last-child {
  flex: 1 1 100%;
  max-width: 100%;
}

.catalog-card__price {
  margin: var(--space-2) 0 0;
  font-size: var(--text-lg);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

.catalog-card__price-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.catalog-card__price--pending {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text-secondary);
}

.catalog-card__stock {
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.catalog-card__stock span {
  color: var(--form-success, #6bcf8a);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.catalog-card__actions {
  cursor: default;
  margin-top: auto;
  padding-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.catalog-card__buy-hint {
  margin: 0;
  font-size: var(--text-xs);
  line-height: 1.45;
  color: var(--text-secondary);
}

.catalog-card__actions .btn {
  width: 100%;
  justify-content: center;
  font-size: var(--text-xs);
  padding: var(--space-3) var(--space-4);
}

.catalog-card__contacts {
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
}

.catalog-card__contacts-lead {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.catalog-card__contacts-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.catalog-card__phone {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
}

.catalog-card__phone:hover,
.catalog-card__phone:focus-visible {
  color: var(--accent);
}

.catalog-card__messengers {
  display: flex;
  gap: var(--space-2);
}

.catalog-card__messenger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.catalog-card__messenger:hover,
.catalog-card__messenger:focus-visible {
  background: rgba(255, 255, 255, 0.04);
  transform: translateY(-1px);
}

.catalog-card__messenger--whatsapp:hover,
.catalog-card__messenger--whatsapp:focus-visible {
  border-color: rgba(37, 211, 102, 0.5);
  color: #25d366;
}

.catalog-card__messenger--telegram:hover,
.catalog-card__messenger--telegram:focus-visible {
  border-color: rgba(34, 158, 217, 0.5);
  color: #229ed9;
}

.catalog-card__messenger .messenger-icon {
  width: 18px;
  height: 18px;
}

/* Empty state */
.catalog-empty {
  text-align: center;
  padding: var(--space-12) var(--space-6);
  background: var(--bg-elevated);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
}

.catalog-empty__title {
  margin: 0 0 var(--space-3);
  font-size: var(--text-xl);
}

.catalog-empty__text {
  margin: 0 0 var(--space-6);
  color: var(--text-secondary);
  max-width: 28rem;
  margin-inline: auto;
}

/* Request form */
.catalog-request {
  border-top: 1px solid var(--border);
  padding-block: var(--section-padding-y);
}

.catalog-request__inner {
  max-width: 40rem;
}

.catalog-request__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-6);
}

.catalog-request__fields {
  display: grid;
  gap: var(--space-4);
}

.catalog-request__field input {
  width: 100%;
}

.catalog-request__consent {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  cursor: pointer;
}

.catalog-request__consent input {
  margin-top: 0.2rem;
  accent-color: var(--accent);
}

@media (min-width: 768px) {
  .catalog-request__fields {
    grid-template-columns: 1fr 1fr;
  }

  .catalog-request__field--wide {
    grid-column: 1 / -1;
  }
}

/* Modal */
.catalog-modal {
  padding: 0;
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  max-width: calc(100% - 2rem);
  width: 28rem;
}

.catalog-modal::backdrop {
  background: rgba(0, 0, 0, 0.65);
}

.catalog-modal__inner {
  position: relative;
  padding: var(--space-8) var(--space-6);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.catalog-modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 2rem;
  height: 2rem;
  padding: 0;
  font-size: 1.25rem;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
}

.catalog-modal__close:hover {
  color: var(--accent);
}

.catalog-modal__title {
  margin: 0 0 var(--space-3);
  font-size: var(--text-xl);
}

.catalog-modal__product {
  margin: 0 0 var(--space-3);
  font-weight: 600;
  color: var(--accent-light);
}

.catalog-modal__hint {
  margin: 0 0 var(--space-6);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.catalog-modal__inner .btn {
  width: 100%;
  justify-content: center;
}

@media (min-width: 1440px) {
  .catalog-layout__inner {
    gap: var(--space-10);
  }
}

@media (prefers-reduced-motion: reduce) {
  .catalog-card {
    opacity: 1;
    transform: none;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
  }

  .catalog-card:hover {
    transform: none;
  }

  .catalog-filters__panel {
    transition: none;
  }
}