/* ==========================================================================
   Products page — sidebar filters + mobile drawer
   ========================================================================== */

.products-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 2rem;
  align-items: stretch;
}

.products-filter-overlay {
  display: none;
}

.products-sidebar {
  display: flex;
  flex-direction: column;
  background: var(--surface, #fff);
  border: 1px solid var(--border, rgba(15, 76, 129, 0.12));
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(15, 76, 129, 0.04);
  overflow: hidden;
}

.products-sidebar__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid var(--border, rgba(15, 76, 129, 0.12));
  flex-shrink: 0;
}

.products-sidebar__head-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.products-sidebar__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text, #1a2332);
}

.products-sidebar__close {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 10px;
  background: rgba(15, 76, 129, 0.06);
  color: var(--text, #1a2332);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
}

.products-sidebar__close:hover {
  background: rgba(15, 76, 129, 0.1);
}

.products-sidebar__clear {
  border: none;
  background: none;
  padding: 0;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent, #00bcd4);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
  white-space: nowrap;
}

.products-sidebar__clear:hover {
  color: var(--primary, #0f4c81);
}

.products-sidebar__body {
  flex: 1;
  padding: 0.25rem 1.25rem 1rem;
}

.products-sidebar__foot {
  display: none;
  flex-shrink: 0;
  padding: 1rem 1.25rem calc(1rem + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--border, rgba(15, 76, 129, 0.12));
  background: var(--surface, #fff);
}

.products-sidebar__apply {
  width: 100%;
  min-height: 48px;
  border-radius: 12px;
  font-weight: 700;
}

.products-filter-group {
  border-bottom: 1px solid var(--border, rgba(15, 76, 129, 0.08));
  padding: 1rem 0;
}

.products-filter-group:last-child {
  border-bottom: none;
}

.products-filter-group > summary {
  list-style: none;
  cursor: pointer;
  user-select: none;
}

.products-filter-group > summary::-webkit-details-marker {
  display: none;
}

.products-filter-group > summary::after {
  content: '';
  float: right;
  width: 0.5rem;
  height: 0.5rem;
  margin-top: 0.35rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.2s ease;
  opacity: 0.55;
}

.products-filter-group[open] > summary::after {
  transform: rotate(-135deg);
  margin-top: 0.55rem;
}

.products-sidebar__label {
  display: block;
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted, #5a6578);
}

.products-filter-group > summary.products-sidebar__label {
  margin-bottom: 0;
}

.products-filter-group[open] > summary.products-sidebar__label {
  margin-bottom: 0.75rem;
}

.products-filter-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.products-filter-btn {
  display: block;
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text, #1a2332);
  font: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.products-filter-btn:hover {
  background: rgba(15, 76, 129, 0.05);
  color: var(--primary, #0f4c81);
}

.products-filter-btn.is-active {
  background: rgba(15, 76, 129, 0.08);
  border-color: rgba(15, 76, 129, 0.12);
  color: var(--primary, #0f4c81);
  font-weight: 600;
}

.products-filter-select {
  width: 100%;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--border, rgba(15, 76, 129, 0.12));
  border-radius: 8px;
  background: var(--surface, #fff);
  color: var(--text, #1a2332);
  font: inherit;
  font-size: 0.875rem;
  cursor: pointer;
}

.products-filter-select:focus {
  outline: none;
  border-color: rgba(0, 188, 212, 0.45);
  box-shadow: 0 0 0 3px rgba(0, 188, 212, 0.12);
}

.products-filter-sort-form {
  margin: 0;
}

.products-main {
  min-width: 0;
}

.products-toolbar {
  display: none;
  margin-bottom: 1rem;
}

.products-filter-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.65rem 1rem;
  border: 1px solid var(--border, rgba(15, 76, 129, 0.12));
  border-radius: 12px;
  background: var(--surface, #fff);
  color: var(--text, #1a2332);
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(15, 76, 129, 0.04);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
}

.products-filter-toggle:hover {
  border-color: rgba(15, 76, 129, 0.2);
  box-shadow: 0 4px 12px rgba(15, 76, 129, 0.08);
}

.products-filter-toggle svg {
  color: var(--primary, #0f4c81);
}

.products-filter-toggle__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.25rem;
  height: 1.25rem;
  padding: 0 0.35rem;
  border-radius: 999px;
  background: var(--accent, #00bcd4);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1;
}

.products-grid-container.is-loading {
  opacity: 0.55;
  pointer-events: none;
}

/* Filtered products load via AJAX — skip scroll-reveal hidden state */
.products-grid-container [data-reveal] {
  opacity: 1;
  transform: none;
}

body.products-filter-open {
  overflow: hidden;
}

/* Desktop — full-height sidebar, no internal scroll */
@media (min-width: 769px) {
  .products-sidebar {
    align-self: stretch;
    height: 100%;
    min-height: 100%;
  }

  .products-sidebar__body {
    overflow: visible;
    flex: 1;
  }

  .products-filter-group > summary {
    pointer-events: none;
  }

  .products-filter-group > summary::after {
    display: none;
  }

  .products-filter-group > summary.products-sidebar__label {
    margin-bottom: 0.75rem;
  }
}

[data-theme="dark"] .products-sidebar,
html.dark .products-sidebar {
  background: var(--surface, #151d2e);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: none;
}

[data-theme="dark"] .products-sidebar__head,
html.dark .products-sidebar__head,
[data-theme="dark"] .products-sidebar__foot,
html.dark .products-sidebar__foot {
  border-color: rgba(255, 255, 255, 0.08);
  background: var(--surface, #151d2e);
}

[data-theme="dark"] .products-sidebar__title,
html.dark .products-sidebar__title {
  color: #f1f5f9;
}

[data-theme="dark"] .products-sidebar__close,
html.dark .products-sidebar__close {
  background: rgba(255, 255, 255, 0.06);
  color: #f1f5f9;
}

[data-theme="dark"] .products-filter-group,
html.dark .products-filter-group {
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .products-filter-btn,
html.dark .products-filter-btn {
  color: #e2e8f0;
}

[data-theme="dark"] .products-filter-btn:hover,
html.dark .products-filter-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #67e8f9;
}

[data-theme="dark"] .products-filter-btn.is-active,
html.dark .products-filter-btn.is-active {
  background: rgba(0, 188, 212, 0.1);
  border-color: rgba(0, 188, 212, 0.2);
  color: #67e8f9;
}

[data-theme="dark"] .products-filter-select,
html.dark .products-filter-select,
[data-theme="dark"] .products-filter-toggle,
html.dark .products-filter-toggle {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.1);
  color: #f1f5f9;
}

@media (max-width: 1024px) {
  .products-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .products-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .products-toolbar {
    display: block;
  }

  .products-filter-overlay {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 10020;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
  }

  .products-filter-overlay.is-open {
    opacity: 1;
    visibility: visible;
  }

  .products-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 10021;
    width: min(340px, 88vw);
    height: auto;
    max-height: none;
    border-radius: 0 20px 20px 0;
    border-left: none;
    box-shadow: 8px 0 40px rgba(15, 23, 42, 0.18);
    transform: translateX(-105%);
    transition: transform 0.42s cubic-bezier(0.32, 0.72, 0, 1);
  }

  .products-sidebar__body {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .products-sidebar.is-open {
    transform: translateX(0);
  }

  .products-sidebar__close {
    display: inline-flex;
  }

  .products-sidebar__foot {
    display: block;
  }

  .products-filter-group > summary {
    min-height: 44px;
    display: flex;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .products-sidebar {
    width: min(320px, 92vw);
  }
}