/* =====================================================================
   KACH AJAX Filter v1.2 — Styles
   ===================================================================== */

/* ─── Panel ─── */
.kaf-panel {
  background: var(--kaf-panel-bg);
  border: 1px solid var(--kaf-panel-border);
  border-radius: var(--kaf-panel-radius);
  box-shadow: var(--kaf-panel-shadow);
  padding: var(--kaf-panel-padding);
  margin-bottom: 24px;
}

/* ─── Horizontal layout (default) ─── */
.kaf-panel--horizontal .kaf-panel__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-end;
}

.kaf-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.kaf-panel--horizontal .kaf-group--categories { flex: 1 1 220px; min-width: 180px; }
.kaf-panel--horizontal .kaf-group--price      { flex: 1 1 280px; min-width: 240px; }
.kaf-panel--horizontal .kaf-group--rating      { flex: 0 1 180px; min-width: 150px; }
.kaf-panel--horizontal .kaf-group--stock,
.kaf-panel--horizontal .kaf-group--sale        { flex: 0 0 auto; }
.kaf-panel--horizontal .kaf-group--sort        { flex: 0 1 200px; min-width: 160px; }
.kaf-panel--horizontal .kaf-group--actions     { display: flex; gap: 10px; flex: 0 0 auto; align-items: center; }

/* ─── Vertical layout (sidebar/widget) ─── */
.kaf-panel--vertical .kaf-panel__inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.kaf-panel--vertical .kaf-group--actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

.kaf-panel--vertical .kaf-btn { width: 100%; }
.kaf-panel--vertical .kaf-select { width: 100%; }

.kaf-panel--vertical .kaf-chips {
  flex-direction: column;
  gap: 4px;
}

.kaf-panel--vertical .kaf-chip {
  justify-content: space-between;
  width: 100%;
  padding: 10px 14px;
}

.kaf-panel--vertical .kaf-price-inputs { flex-direction: column; gap: 8px; }
.kaf-panel--vertical .kaf-price-separator { display: none; }
.kaf-panel--vertical .kaf-price-input-wrap { width: 100%; }

/* Widget container */
.widget .kaf-panel { padding: 16px; }
.widget .kaf-panel .kaf-label { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }


/* ─── Labels ─── */
.kaf-label {
  font-size: var(--kaf-label-size);
  font-weight: 700;
  color: var(--kaf-label-color);
  line-height: 1.2;
}

/* ─── Select ─── */
.kaf-select {
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--kaf-input-border);
  border-radius: var(--kaf-input-radius);
  background: var(--kaf-input-bg);
  font-size: 14px;
  font-weight: 600;
  color: var(--kaf-label-color);
  cursor: pointer;
  width: 100%;
}

.kaf-select--cat {
  max-width: 100%;
}

/* ─── Chips ─── */
.kaf-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.kaf-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  border: 1px solid var(--kaf-chip-border);
  border-radius: var(--kaf-chip-radius);
  background: var(--kaf-chip-bg);
  color: var(--kaf-chip-color);
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: all .18s ease;
  white-space: nowrap;
}

.kaf-chip:hover { border-color: var(--kaf-btn-bg); color: var(--kaf-btn-bg); }

.kaf-chip.is-active {
  background: var(--kaf-btn-bg);
  color: var(--kaf-btn-color);
  border-color: var(--kaf-btn-bg);
}

.kaf-chip--child { padding-left: 10px; font-size: 12px; }
.kaf-chip--child::before { content: '↳'; margin-right: 2px; opacity: .5; }
.kaf-chip__count { opacity: .6; font-weight: 400; font-size: .9em; }


/* ─── Category accordion ─── */
.kaf-cat-accordion {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--kaf-input-border);
  border-radius: var(--kaf-input-radius);
  overflow: hidden;
}

.kaf-cat-item {
  border-bottom: 1px solid var(--kaf-input-border);
}

.kaf-cat-item:last-child {
  border-bottom: 0;
}

.kaf-cat-row {
  display: flex;
  align-items: center;
}

.kaf-cat-link {
  flex: 1;
  display: block;
  padding: 12px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--kaf-label-color);
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
  line-height: 1.3;
}

.kaf-cat-link:hover {
  background: var(--kaf-chip-bg);
}

.kaf-cat-link.is-active {
  background: var(--kaf-btn-bg);
  color: var(--kaf-btn-color);
  font-weight: 700;
}

.kaf-cat-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  min-height: 44px;
  border: 0;
  border-left: 1px solid var(--kaf-input-border);
  background: none;
  font-size: 18px;
  font-weight: 700;
  color: var(--kaf-label-color);
  cursor: pointer;
  transition: background .15s ease;
  flex-shrink: 0;
}

.kaf-cat-toggle:hover {
  background: var(--kaf-chip-bg);
}

.kaf-cat-toggle-icon {
  display: block;
  line-height: 1;
}

.kaf-cat-children {
  background: var(--kaf-chip-bg, #f8f9fa);
  border-top: 1px solid var(--kaf-input-border);
}

.kaf-cat-child-link {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 10px 14px 10px 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--kaf-label-color);
  background: none;
  border: 0;
  border-bottom: 1px solid var(--kaf-input-border);
  text-align: left;
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
  line-height: 1.3;
}

.kaf-cat-child-link:last-child {
  border-bottom: 0;
}

.kaf-cat-child-link:hover {
  background: rgba(0,0,0,.03);
}

.kaf-cat-child-link.is-active {
  background: var(--kaf-btn-bg);
  color: var(--kaf-btn-color);
  font-weight: 700;
}

.kaf-cat-child-arrow {
  opacity: .4;
  font-size: 15px;
}


/* ─── Price range ─── */
.kaf-price-range { display: flex; flex-direction: column; gap: 12px; }

.kaf-price-inputs { display: flex; align-items: center; gap: 8px; }

.kaf-price-input-wrap { display: flex; align-items: center; gap: 6px; flex: 1; min-width: 0; }

.kaf-price-prefix { font-size: 13px; color: #6c757d; font-weight: 600; flex-shrink: 0; }

.kaf-price-input {
  width: 100%;
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--kaf-input-border);
  border-radius: var(--kaf-input-radius);
  background: var(--kaf-input-bg);
  font-size: 14px;
  font-weight: 700;
  text-align: center;
  -moz-appearance: textfield;
}

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

.kaf-price-separator { color: #adb5bd; font-weight: 700; flex-shrink: 0; }

/* Dual range slider */
.kaf-range-slider { position: relative; height: 6px; margin: 8px 0; }
.kaf-range-track  { position: absolute; inset: 0; height: 6px; background: var(--kaf-range-track); border-radius: 3px; }
.kaf-range-fill   { position: absolute; top: 0; height: 6px; background: var(--kaf-range-active); border-radius: 3px; }

.kaf-range-input {
  position: absolute; top: -6px; width: 100%; height: 18px;
  -webkit-appearance: none; appearance: none; background: transparent;
  pointer-events: none; margin: 0;
}

.kaf-range-input::-webkit-slider-thumb {
  -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%;
  background: var(--kaf-range-thumb); border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,.15); cursor: pointer; pointer-events: all;
}

.kaf-range-input::-moz-range-thumb {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--kaf-range-thumb); border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,.15); cursor: pointer; pointer-events: all;
}


/* ─── Checkbox ─── */
.kaf-checkbox-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600; color: var(--kaf-label-color);
  cursor: pointer; white-space: nowrap;
}

.kaf-checkbox { width: 18px; height: 18px; accent-color: var(--kaf-btn-bg); cursor: pointer; }


/* ─── Buttons ─── */
.kaf-btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 42px; padding: 0 20px; border: 0;
  font-weight: 700; font-size: var(--kaf-btn-font-size); line-height: 1;
  cursor: pointer; white-space: nowrap;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}

.kaf-btn:hover { transform: translateY(-2px); }

.kaf-btn--filter {
  background: var(--kaf-btn-bg); color: var(--kaf-btn-color);
  border-radius: var(--kaf-btn-radius);
  box-shadow: 0 8px 20px rgba(220,53,69,.2);
}

.kaf-btn--reset {
  background: transparent; color: var(--kaf-reset-color);
  border: 1px solid var(--kaf-input-border); border-radius: var(--kaf-btn-radius);
}
.kaf-btn--reset:hover { background: #f8f9fa; }


/* ─── Active filter tags ─── */
.kaf-active-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }

.kaf-active-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; background: var(--kaf-chip-bg);
  border: 1px solid var(--kaf-chip-border); border-radius: var(--kaf-chip-radius);
  font-size: 12px; font-weight: 600; color: var(--kaf-chip-color);
}

.kaf-active-tag__remove {
  cursor: pointer; opacity: .5; font-size: 14px; line-height: 1;
  transition: opacity .15s ease;
}
.kaf-active-tag__remove:hover { opacity: 1; }


/* ─── Loading ─── */
.kaf-loading-overlay {
  position: relative; display: flex; align-items: center; justify-content: center;
  min-height: 200px;
}

.kaf-loading-overlay.is-inline {
  position: absolute; inset: 0;
  background: rgba(255,255,255,.7); z-index: 10; border-radius: 20px;
}

.kaf-spinner {
  width: 40px; height: 40px;
  border: 4px solid #e9ecef; border-top-color: var(--kaf-loading-color);
  border-radius: 50%; animation: kaf-spin .7s linear infinite;
}

@keyframes kaf-spin { to { transform: rotate(360deg); } }


/* ─── No results ─── */
.kaf-no-results {
  padding: 40px; text-align: center; font-size: 16px; font-weight: 700;
  color: #6c757d; background: #f8f9fa; border-radius: 16px; border: 1px dashed #e9ecef;
}


/* =====================================================================
   STICKY FILTER
   ===================================================================== */

/* Vertical sticky (sidebar) — pure CSS */
.kaf-sticky-vertical {
  position: sticky;
  top: var(--kaf-sticky-top, 0px);
  z-index: 100;
  max-height: calc(100vh - var(--kaf-sticky-top, 0px) - 20px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--kaf-range-active, #dc3545) transparent;
}

.kaf-sticky-vertical::-webkit-scrollbar {
  width: 5px;
}

.kaf-sticky-vertical::-webkit-scrollbar-track {
  background: transparent;
}

.kaf-sticky-vertical::-webkit-scrollbar-thumb {
  background: var(--kaf-range-active, #dc3545);
  border-radius: 3px;
}

/* Horizontal sticky — JS-driven */
.kaf-sticky-placeholder {
  display: none;
}

.kaf-panel.kaf-sticky-active {
  box-shadow: 0 12px 40px rgba(17, 24, 39, 0.12);
  border-radius: 0 0 var(--kaf-panel-radius) var(--kaf-panel-radius);
  animation: kaf-slideDown .25s ease;
  transition: padding .2s ease, box-shadow .2s ease;
}

/* Compact mode when stuck — reduce padding */
.kaf-panel--horizontal.kaf-sticky-active {
  padding-top: 14px;
  padding-bottom: 14px;
}

.kaf-panel--horizontal.kaf-sticky-active .kaf-panel__inner {
  gap: 12px;
}

.kaf-panel--horizontal.kaf-sticky-active .kaf-label {
  font-size: 12px;
}

.kaf-panel--horizontal.kaf-sticky-active .kaf-group--actions {
  gap: 8px;
}

@keyframes kaf-slideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to   { transform: translateY(0);     opacity: 1; }
}


/* =====================================================================
   PAGINATION — Bootstrap 5 compatible styling
   ===================================================================== */

.kaf-pagination-nav {
  margin-top: 28px;
}

.kaf-pagination-nav .pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  list-style: none;
  padding: 0;
  margin: 0;
}

.kaf-pagination-nav .page-item {}

.kaf-pagination-nav .page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 6px 14px;
  border: 1px solid var(--kaf-input-border, #dee2e6);
  border-radius: var(--kaf-input-radius, 12px);
  background: var(--kaf-input-bg, #fff);
  color: var(--kaf-label-color, #111827);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all .18s ease;
  line-height: 1;
}

.kaf-pagination-nav .page-link:hover {
  background: var(--kaf-btn-bg, #dc3545);
  color: var(--kaf-btn-color, #fff);
  border-color: var(--kaf-btn-bg, #dc3545);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(220,53,69,.2);
}

.kaf-pagination-nav .page-item.active .page-link {
  background: var(--kaf-btn-bg, #dc3545);
  color: var(--kaf-btn-color, #fff);
  border-color: var(--kaf-btn-bg, #dc3545);
  cursor: default;
  box-shadow: 0 8px 20px rgba(220,53,69,.2);
}

.kaf-pagination-nav .page-item.disabled .page-link {
  opacity: .5;
  cursor: default;
  pointer-events: none;
}

/* Also style the existing theme pagination to match */
body.kppp-custom-archive .woocommerce-pagination nav[aria-label] .pagination .page-link,
body.kppp-custom-archive nav[aria-label="Постраничная навигация по товарам"] .page-link {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--kaf-input-radius, 12px);
  font-weight: 700;
  transition: all .18s ease;
}

body.kppp-custom-archive nav[aria-label] .page-item.active .page-link,
body.kppp-custom-archive nav[aria-label] .page-link.active {
  background: var(--kaf-btn-bg, #dc3545);
  color: var(--kaf-btn-color, #fff);
  border-color: var(--kaf-btn-bg, #dc3545);
}

body.kppp-custom-archive nav[aria-label] .page-link:hover {
  background: var(--kaf-btn-bg, #dc3545);
  color: var(--kaf-btn-color, #fff);
  border-color: var(--kaf-btn-bg, #dc3545);
}


/* ─── Responsive ─── */
@media (max-width: 767.98px) {
  .kaf-panel--horizontal .kaf-panel__inner {
    flex-direction: column;
    gap: 14px;
  }

  .kaf-panel--horizontal .kaf-group--categories,
  .kaf-panel--horizontal .kaf-group--price,
  .kaf-panel--horizontal .kaf-group--sort {
    flex: 1 1 100%;
    min-width: 0;
  }

  .kaf-panel--horizontal .kaf-group--actions {
    width: 100%;
  }

  .kaf-panel--horizontal .kaf-btn {
    flex: 1;
    width: 100%;
  }

  .kaf-chips { gap: 6px; }
  .kaf-chip { padding: 6px 10px; font-size: 12px; }

  .kaf-pagination-nav .page-link {
    min-width: 38px;
    min-height: 38px;
    padding: 4px 10px;
    font-size: 13px;
  }
}