/*
 * Catalogue page: categories, brands, shop, search results.
 * Spec: mockup 2 (category desktop, mobile, mobile filters) and style guide 2.6.
 * Desktop ≥1200: sidebar 288px + 36px gap + 4 columns. Below: filters in a bottom sheet.
 */

.catalog {
  padding-block: var(--space-6) var(--space-13);
}

/* ── Head: breadcrumbs, title, subcategories ───────────────────────── */
.catalog-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.catalog-head__title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2) var(--space-4);
}

.catalog-head__h1 {
  margin: 0;
}

.catalog-head__count {
  color: var(--color-muted);
  font-size: var(--fs-body-m);
}

.subcat-chips__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.subcat-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  height: var(--subcat-chip-h);
  padding-inline: var(--space-5);
  border: var(--border-chip);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: var(--fs-body-s);
  font-weight: var(--fw-bold);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur-fast) var(--ease-out);
}

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

.subcat-chip.is-current {
  border-color: var(--tint-yellow);
  background: var(--tint-yellow);
}

.subcat-chip--more {
  border-style: dashed;
  cursor: pointer;
}

.subcat-chips.is-collapsed .subcat-chips__extra {
  display: none;
}

.subcat-chip__count {
  color: var(--color-muted);
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
}

/* ── Layout ────────────────────────────────────────────────────────── */
.catalog__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: var(--catalog-gap);
  margin-top: var(--space-8);
}

.catalog__main {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  min-width: 0;
}

@media (min-width: 1200px) {
  .catalog__layout {
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  }

  .catalog__layout--bare {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ── Toolbar ───────────────────────────────────────────────────────── */
.catalog-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

.btn--filters {
  display: none;
}

.filters-badge {
  min-width: var(--icon-size);
  height: var(--icon-size);
  padding-inline: var(--space-1);
  border-radius: var(--radius-pill);
  background: var(--tile-yellow);
  color: var(--color-ink);
  font-size: var(--fs-caption);
  font-weight: var(--fw-extrabold);
  line-height: var(--icon-size);
  text-align: center;
}

.active-chips {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.active-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  height: var(--chip-h);
  padding-inline: var(--space-4) var(--space-2);
  border-radius: var(--radius-pill);
  background: var(--color-ink);
  color: var(--color-bg);
  font-size: var(--fs-small);
  font-weight: var(--fw-bold);
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease-out);
}

.active-chip:hover {
  background: var(--color-ink-hover);
}

.active-chip__x {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--chip-x);
  height: var(--chip-x);
  border-radius: var(--radius-round);
  background: var(--chip-x-bg);
  font-family: var(--font-heading);
  font-size: var(--fs-caption);
}

.active-chip--sm {
  height: var(--chip-sm-h);
  padding-inline: var(--space-3);
  font-size: var(--fs-caption);
}

.active-chips__clear {
  margin-inline-start: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: var(--fw-bold);
  text-underline-offset: var(--space-1);
}

.catalog-toolbar__count {
  margin: 0 0 0 auto;
  color: var(--color-muted);
  font-size: var(--fs-body-s);
}

/* Sort dropdown */
.sort {
  position: relative;
}

.sort__button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  height: var(--btn-h-s);
  padding-inline: var(--space-5);
  border: var(--border-field);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: var(--fs-body-s);
  font-weight: var(--fw-bold);
  white-space: nowrap;
  cursor: pointer;
}

.sort__button[aria-expanded="true"] {
  border-color: var(--color-ink);
}

.sort__caret::before {
  content: "▼";
  display: inline-block;
  font-size: var(--fs-eyebrow);
  transition: transform var(--dur-fast) var(--ease-out);
}

.sort__button[aria-expanded="true"] .sort__caret::before {
  transform: rotate(180deg);
}

.sort__list {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  z-index: 25;
  display: flex;
  flex-direction: column;
  width: var(--menu-w);
  margin: 0;
  padding: var(--space-2);
  border: var(--border-field);
  border-radius: var(--menu-radius);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  list-style: none;
}

.sort__list[hidden] {
  display: none;
}

.sort__option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--btn-h-s);
  padding-inline: var(--space-3);
  border-radius: var(--radius-age-sm);
  color: var(--color-ink);
  font-size: var(--fs-body-s);
  font-weight: var(--fw-semibold);
  text-decoration: none;
}

.sort__option:hover {
  background: var(--color-ghost-hover);
}

.sort__option[aria-current] {
  background: var(--tint-yellow);
}

.sort__tick {
  font-family: var(--font-heading);
  font-size: var(--fs-caption);
  font-weight: var(--fw-black);
}

/* ── Filters: sidebar (desktop) / bottom sheet (below 1200) ─────────── */
.filters-sheet {
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-ink);
}

.filters {
  display: flex;
  flex-direction: column;
}

.filters__head,
.filters__chips {
  display: none;
}

.filter-group {
  padding-block: var(--space-4);
  border-bottom: var(--border-hairline);
}

.filter-group:last-child {
  border-bottom: 0;
}

.filter-group__title {
  margin: 0;
  font-size: inherit;
}

.filter-group__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: var(--filter-head-h);
  padding: 0;
  border: 0;
  background: none;
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: var(--fs-h5);
  font-weight: var(--fw-extrabold);
  text-align: start;
  cursor: pointer;
}

.filter-group__icon::before {
  content: "−";
  color: var(--color-muted);
  font-size: var(--fs-h4);
  font-weight: var(--fw-regular);
}

.filter-group__toggle[aria-expanded="false"] .filter-group__icon::before {
  content: "+";
}

.filter-group__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-top: var(--space-2);
}

.filter-group__body[hidden] {
  display: none;
}

/* Price range */
.price-range {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.price-range__slider {
  position: relative;
  height: var(--range-thumb);
  --lo: 0%;
  --hi: 100%;
}

.price-range__track {
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  height: var(--range-track);
  border-radius: var(--radius-tile-sm);
  background: var(--color-line);
  transform: translateY(-50%);
}

.price-range__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--lo);
  right: calc(100% - var(--hi));
  border-radius: inherit;
  background: var(--color-ink);
}

.price-range__input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  background: none;
  pointer-events: none;
  -webkit-appearance: none;
  appearance: none;
}

.price-range__input::-webkit-slider-runnable-track { background: none; }
.price-range__input::-moz-range-track { background: none; }

.price-range__input::-webkit-slider-thumb {
  width: var(--range-thumb);
  height: var(--range-thumb);
  border: var(--border-w-thumb) solid var(--color-ink);
  border-radius: var(--radius-round);
  background: var(--color-surface);
  cursor: pointer;
  pointer-events: auto;
  -webkit-appearance: none;
  appearance: none;
}

.price-range__input::-moz-range-thumb {
  width: var(--range-thumb);
  height: var(--range-thumb);
  box-sizing: border-box;
  border: var(--border-w-thumb) solid var(--color-ink);
  border-radius: var(--radius-round);
  background: var(--color-surface);
  cursor: pointer;
  pointer-events: auto;
}

.price-range__input:focus-visible {
  box-shadow: none;
}

.price-range__input:focus-visible::-webkit-slider-thumb { box-shadow: var(--focus-ring); }
.price-range__input:focus-visible::-moz-range-thumb { box-shadow: var(--focus-ring); }

.price-range__fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-2);
}

.price-range__dash {
  color: var(--color-subtle);
}

.price-field {
  display: flex;
  align-items: center;
  height: var(--btn-h-s);
  padding-inline: var(--space-3);
  border: var(--border-field);
  border-radius: var(--radius-input);
  background: var(--color-input-bg);
}

.price-field:focus-within {
  border-color: var(--color-ink);
  box-shadow: var(--focus-ring);
}

.price-field input {
  width: 100%;
  min-width: 0;
  padding: 0;
  border: 0;
  background: none;
  font-size: var(--fs-body-s);
  font-weight: var(--fw-semibold);
  -moz-appearance: textfield;
}

.price-field input::-webkit-outer-spin-button,
.price-field input::-webkit-inner-spin-button {
  margin: 0;
  -webkit-appearance: none;
}

.price-field input:focus {
  outline: none;
  box-shadow: none;
}

.price-field__unit {
  color: var(--color-muted);
  font-weight: var(--fw-semibold);
}

/* Brand list */
.filter-search input {
  width: 100%;
  height: var(--btn-h-s);
  margin-bottom: var(--space-2);
  padding-inline: var(--space-3);
  border: 0;
  border-radius: var(--radius-input);
  background: var(--color-bg);
  font-size: var(--fs-body-s);
}

.filter-search input::placeholder {
  color: var(--color-muted);
}

.filter-options {
  margin: 0;
  padding: 0;
  list-style: none;
}

.filter-option.is-extra,
.filter-option[hidden] {
  display: none;
}

.filter-options.is-expanded .filter-option.is-extra:not([hidden]) {
  display: block;
}

.check-row {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: var(--filter-row-h);
  font-size: var(--fs-body-s);
  font-weight: var(--fw-semibold);
  cursor: pointer;
}

.check-row__input {
  position: absolute;
  opacity: 0;
}

.check-row__box {
  display: flex;
  flex: none;
  align-items: center;
  justify-content: center;
  width: var(--check);
  height: var(--check);
  border: var(--border-w-strong) solid var(--color-ink);
  border-radius: var(--radius-check);
  background: var(--color-surface);
  color: var(--color-surface);
  font-family: var(--font-heading);
  font-size: var(--fs-caption);
  font-weight: var(--fw-black);
}

.check-row__input:checked + .check-row__box {
  background: var(--color-ink);
}

.check-row__input:checked + .check-row__box::after {
  content: "✓";
}

.check-row__input:focus-visible + .check-row__box {
  box-shadow: var(--focus-ring);
}

.check-row__name {
  flex: 1;
}

.check-row__count {
  color: var(--color-muted);
  font-size: var(--fs-caption);
}

.check-row:has(.check-row__input:disabled) {
  color: var(--color-disabled);
  cursor: not-allowed;
}

.check-row__input:disabled + .check-row__box {
  border-color: var(--color-border);
}

.filter-more {
  align-self: flex-start;
  margin-top: var(--space-2);
  padding: 0;
  border: 0;
  background: none;
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: var(--fw-bold);
  cursor: pointer;
}

.filter-more:hover {
  text-decoration: underline;
}

/* Age tiles */
.age-filter {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.age-filter__tile {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: var(--age-filter-h);
  border: var(--border-w-strong) solid var(--color-border);
  border-radius: var(--radius-age-sm);
  background: var(--color-surface);
  font-family: var(--font-heading);
  font-size: var(--fs-btn-s);
  font-weight: var(--fw-extrabold);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}

.age-filter__input {
  position: absolute;
  opacity: 0;
}

.age-filter__tile:has(.age-filter__input:focus-visible) {
  box-shadow: var(--focus-ring);
}

.age-filter__tile:has(.age-filter__input:checked) {
  border-color: transparent;
  transform: rotate(calc(var(--tile-rotate-range) * -1));
}

.age-filter li:nth-child(even) .age-filter__tile:has(.age-filter__input:checked) {
  transform: rotate(var(--tile-rotate-age));
}

.age-filter__tile--yellow:has(:checked) { background: var(--tile-yellow); }
.age-filter__tile--lime:has(:checked)   { background: var(--tile-lime); }
.age-filter__tile--orange:has(:checked) { background: var(--tile-orange); }
.age-filter__tile--teal:has(:checked)   { background: var(--tile-teal); }
.age-filter__tile--blue:has(:checked)   { background: var(--tile-blue); }
.age-filter__tile--green:has(:checked)  { background: var(--tile-green); }

.age-filter__tile:has(:disabled) {
  border-color: var(--color-line);
  color: var(--color-disabled);
  cursor: not-allowed;
}

/* Switches ("Само нови", "Само промоции") */
.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: var(--filter-row-h);
  font-size: var(--fs-body-s);
  font-weight: var(--fw-semibold);
  cursor: pointer;
}

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

.badge-tile--xs {
  padding: var(--tile-pad-sm);
  border-radius: var(--radius-tile-sm);
  font-size: var(--fs-eyebrow);
}

.switch {
  position: relative;
  flex: none;
  width: var(--toggle-w);
  height: var(--toggle-h);
  margin: 0;
  border-radius: var(--radius-pill);
  background: var(--color-border);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out);
  -webkit-appearance: none;
  appearance: none;
}

.switch::before {
  content: "";
  position: absolute;
  top: 50%;
  left: calc((var(--toggle-h) - var(--toggle-knob)) / 2);
  width: var(--toggle-knob);
  height: var(--toggle-knob);
  border-radius: var(--radius-round);
  background: var(--color-surface);
  transform: translateY(-50%);
  transition: left var(--dur-fast) var(--ease-out);
}

.switch:checked {
  background: var(--color-ink);
}

.switch:checked::before {
  left: calc(100% - var(--toggle-knob) - (var(--toggle-h) - var(--toggle-knob)) / 2);
}

/* No-JS: an apply button; with JS the desktop sidebar applies on change. */
.filters__foot {
  padding-top: var(--space-4);
}

.filters__submit {
  width: 100%;
}

/* Desktop: the dialog is an inline sidebar card. */
@media (min-width: 1200px) {
  .filters-sheet:not([open]) {
    position: static;
    display: block;
    width: auto;
    max-width: none;
    height: auto;
    max-height: none;
    padding: var(--space-2) var(--space-5) var(--space-5);
    border-radius: var(--radius-card);
    background: var(--color-surface);
  }

  .js .filters__foot {
    display: none;
  }

  .catalog-toolbar__count {
    margin-inline-start: auto;
  }
}

/* Below desktop: toolbar buttons + bottom sheet. */
@media (max-width: 1199px) {
  .catalog-toolbar {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }

  .btn--filters {
    display: inline-flex;
    width: 100%;
    height: var(--btn-h-m);
    font-size: var(--fs-btn-s);
  }

  .catalog-toolbar .active-chips,
  .catalog-toolbar__count {
    display: none;
  }

  .sort__button {
    justify-content: center;
    width: 100%;
    height: var(--btn-h-m);
    font-family: var(--font-heading);
  }

  .sort__colon,
  .sort__current {
    display: none;
  }

  .filters-sheet[open] {
    position: fixed;
    inset: var(--sheet-top) 0 0 0;
    display: flex;
    width: 100%;
    max-width: 100%;
    height: auto;
    max-height: none;
    overflow: hidden;
    border-radius: var(--radius-band) var(--radius-band) 0 0;
    background: var(--color-bg);
    animation: kz-sheet-in var(--dur-slow) var(--ease-out);
  }

  .filters-sheet::backdrop {
    background: var(--color-scrim-mobile);
  }

  .filters-sheet[open] .filters {
    flex: 1;
    min-height: 0;
  }

  .filters::before {
    content: "";
    align-self: center;
    flex: none;
    width: var(--sheet-handle-w);
    height: var(--sheet-handle-h);
    margin: var(--space-3) 0 var(--space-1);
    border-radius: var(--radius-tile-sm);
    background: var(--color-border-strong);
  }

  .filters__head {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-2) var(--space-5) var(--space-3);
    border-bottom: var(--border-hairline);
  }

  .filters__title {
    flex: 1;
    margin: 0;
    font-size: var(--sheet-title-fs);
    font-weight: var(--fw-extrabold);
  }

  .filters__clear {
    font-family: var(--font-heading);
    font-size: var(--fs-small);
    font-weight: var(--fw-bold);
  }

  .filters__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--tap-min);
    height: var(--tap-min);
    padding: 0;
    border: 0;
    border-radius: var(--radius-round);
    background: var(--color-surface);
    color: var(--color-ink);
    cursor: pointer;
  }

  .filters__close .icon {
    width: var(--icon-sm);
    height: var(--icon-sm);
  }

  .filters__body {
    flex: 1;
    min-height: 0;
    padding-inline: var(--space-5);
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .filters__chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin: 0;
    padding: var(--space-3) 0;
    list-style: none;
  }

  .filter-group {
    border-top: var(--border-hairline);
    border-bottom: 0;
  }

  .filters__foot {
    padding: var(--space-3) var(--space-5) var(--space-6);
    border-top: var(--border-hairline);
    background: var(--color-surface);
  }

  .filters__submit {
    height: var(--btn-h-l);
  }
}

@keyframes kz-sheet-in {
  from { transform: translateY(100%); }
}

@media (min-width: 768px) and (max-width: 1199px) {
  .catalog-toolbar {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  }

  .catalog-toolbar__count {
    display: block;
    grid-column: 3;
    grid-row: 1;
  }
}

/* ── Load more + pagination ────────────────────────────────────────── */
.catalog-more {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
  margin-top: var(--space-5);
}

.catalog-more__status {
  margin: 0;
  color: var(--color-muted);
  font-size: var(--fs-small);
}

.progress {
  position: relative;
  width: var(--progress-w);
  max-width: 100%;
  height: var(--progress-h);
  overflow: hidden;
  border-radius: var(--radius-tile-sm);
  background: var(--color-line);
}

.progress__bar {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--progress, 0%);
  border-radius: inherit;
  background: var(--color-ink);
  transition: width var(--dur-base) var(--ease-out);
}

.catalog-more__button {
  padding-inline: var(--space-9);
}

.catalog-more__button.is-loading {
  opacity: .6;
  pointer-events: none;
}

.pagination__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.pagination .page-numbers {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--tap-min);
  height: var(--tap-min);
  border-radius: var(--radius-round);
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: var(--fs-btn-s);
  font-weight: var(--fw-bold);
  text-decoration: none;
}

.pagination a.page-numbers:hover {
  background: var(--tint-yellow);
}

.pagination .page-numbers.current {
  background: var(--color-ink);
  color: var(--color-surface);
}

.pagination .page-numbers.dots {
  background: transparent;
  color: var(--color-muted);
}

/* ── Empty + description ───────────────────────────────────────────── */
.catalog-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-12) var(--space-5);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  text-align: center;
}

.catalog-empty__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--fs-h4);
  font-weight: var(--fw-extrabold);
}

.catalog-description {
  max-width: var(--measure);
  margin-top: var(--section-gap);
  color: var(--color-text-2);
}

/* ── Mobile ────────────────────────────────────────────────────────── */
@media (max-width: 767px) {
  .catalog {
    padding-top: var(--space-1);
  }

  .subcat-chips {
    margin-inline: calc(var(--container-pad) * -1);
  }

  .subcat-chips__list {
    flex-wrap: nowrap;
    gap: var(--space-2);
    padding-inline: var(--container-pad);
    overflow-x: auto;
    scrollbar-width: none;
  }

  .subcat-chip {
    padding-inline: var(--space-4);
  }

  .subcat-chip__count {
    display: none;
  }

  /* Phones: one scrolling row with every chip, no toggle. */
  .subcat-chips.is-collapsed .subcat-chips__extra {
    display: list-item;
  }

  .subcat-chips__toggle {
    display: none;
  }

  .catalog__layout {
    margin-top: var(--space-3);
  }
}