*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  color: hsl(var(--foreground));
  background: hsl(var(--muted));
  line-height: var(--line-height);
}

a { color: hsl(var(--foreground)); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: hsl(var(--muted-foreground)); }

/* ── Top Bar ── */
.top-bar {
  position: sticky; top: 0; z-index: 200;
  background: hsl(var(--background));
  border-bottom: 1px solid hsl(var(--border));
  padding: var(--space-2) var(--space-6);
  display: flex; align-items: center; gap: var(--space-4);
  box-shadow: var(--shadow-sm);
}
.top-bar .logo {
  display: flex; align-items: center; flex-shrink: 0;
  color: hsl(var(--foreground));
}
.top-bar .logo svg {
  height: 26px;
  width: auto;
}
.top-bar .logo > a {
  display: flex; align-items: center;
  text-decoration: none;
}
.section-indicator {
  background: var(--brand-blue);
  padding: 2px 10px;
  border-radius: 8px;
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  flex-shrink: 0;
}

/* ── Search ── */
.search-wrap { position: relative; flex: 1; max-width: 500px; }
.search-wrap input {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1px solid hsl(var(--input));
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: var(--font-sans);
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  transition: border var(--transition-base), box-shadow var(--transition-base);
}
.search-wrap input::placeholder { color: hsl(var(--muted-foreground)); }
.search-wrap input:focus {
  outline: none;
  border-color: hsl(var(--ring));
  box-shadow: 0 0 0 3px hsl(var(--ring) / 0.2);
}
.search-dropdown {
  display: none; position: absolute; top: calc(100% + 4px); left: 0; right: 0;
  background: hsl(var(--popover));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  max-height: 360px; overflow-y: auto; z-index: 300;
}
.search-dropdown.open { display: block; }
.search-dropdown .sd-item {
  padding: 0.6rem var(--space-4);
  cursor: pointer;
  font-size: var(--font-size-base);
  border-bottom: 1px solid hsl(var(--muted));
  display: flex; justify-content: space-between; align-items: center;
  color: hsl(var(--popover-foreground));
}
.search-dropdown .sd-item:last-child { border-bottom: none; }
.search-dropdown .sd-item:hover,
.search-dropdown .sd-item.active { background: hsl(var(--accent)); }
.search-dropdown .sd-cat {
  font-size: var(--font-size-xs);
  color: hsl(var(--muted-foreground));
  background: hsl(var(--muted));
  border-radius: var(--radius-sm);
  padding: 1px 6px;
  font-weight: 500;
}

/* ── Category Tabs ── */
.cat-tabs {
  display: flex; flex-wrap: wrap;
  padding: 0 var(--space-6);
  background: hsl(var(--background));
  border-bottom: 1px solid hsl(var(--border));
}
.cat-tab {
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  padding: var(--space-4) var(--space-4) 0;
  border: none; border-bottom: 3px solid transparent;
  background: none;
  cursor: pointer;
  font-family: var(--font-sans);
  text-align: center;
  margin-bottom: -1px;
  transition: border-color var(--transition-base);
}
.cat-tab:hover { border-bottom-color: var(--brand-blue); }
.cat-tab.active { border-bottom-color: var(--brand-blue); }
.cat-tab.active .cat-label { color: var(--brand-blue); }
.cat-tab.active .cat-icon-wrap svg { color: var(--brand-blue); }
.cat-tab.active .cat-icon-wrap { color: var(--brand-blue); }
.cat-tab:hover .cat-icon-wrap { color: var(--brand-blue); }
.cat-icon-wrap {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  color: hsl(var(--muted-foreground));
  transition: color var(--transition-base);
}
.cat-icon-wrap svg {
  width: 28px; height: 28px;
  transition: color var(--transition-base);
}
.cat-icon-wrap svg[width] {
  width: unset; height: unset;
}
.cat-label { font-size: var(--font-size-xs); font-weight: 700; color: hsl(var(--foreground)); line-height: 1.1; padding-bottom: var(--space-3); }
.cat-tab .count { display: none; }

/* ── Item Pills ── */
.item-pills {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
  padding: 0.6rem var(--space-6) var(--space-3);
  background: hsl(var(--background));
  border-bottom: 1px solid hsl(var(--border));
}
.item-pill {
  background: hsl(var(--background));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: hsl(var(--muted-foreground));
  cursor: pointer;
  transition: border-color var(--transition-base), background var(--transition-base), color var(--transition-base);
}
.item-pill:hover {
  border-color: hsl(var(--foreground) / 0.3);
  color: hsl(var(--foreground));
  background: hsl(var(--accent));
}
.item-pill.active {
  background: var(--brand-blue);
  border-color: var(--brand-blue);
  color: var(--brand-blue-fg);
  font-weight: 600;
}
.item-pill.hidden { display: none; }
.load-more-btn {
  background: none;
  border: 1px dashed hsl(var(--border));
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  cursor: pointer;
  color: hsl(var(--muted-foreground));
  font-family: var(--font-sans);
  transition: border-color var(--transition-base), color var(--transition-base);
}
.load-more-btn:hover { border-color: hsl(var(--muted-foreground)); color: hsl(var(--foreground)); }


/* ── Main Layout ── */
.main-layout { display: flex; gap: 0; min-height: calc(100vh - 200px); }

/* ── Left Sidebar Filters ── */
.sidebar {
  width: 220px; flex-shrink: 0;
  background: hsl(var(--background));
  border-right: 1px solid hsl(var(--border));
  padding: var(--space-3) 0;
  overflow-y: auto; position: sticky; top: 49px;
  height: calc(100vh - 49px);
}
.sidebar-section { border-top: 1px solid hsl(var(--border)); }
.sidebar-section:first-of-type { border-top: none; }
.filter-group { margin: 0; }

.sidebar-toggle {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%;
  padding: 0.75rem var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: hsl(var(--foreground));
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  text-align: left;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.sidebar-toggle:hover { background: hsl(var(--muted)); }

.sidebar-chevron {
  width: 16px; height: 16px; flex-shrink: 0;
  color: hsl(var(--muted-foreground));
  transition: transform 0.2s ease;
}
.sidebar-toggle[aria-expanded="true"] .sidebar-chevron {
  transform: rotate(180deg);
}

.sidebar-body {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.25s ease, padding 0.25s ease;
}
.sidebar-body.open {
  max-height: 500px;
  padding-bottom: var(--space-2);
}
.filter-check {
  display: flex; align-items: center; gap: var(--space-2);
  padding: 0.38rem var(--space-4);
  font-size: var(--font-size-base);
  color: hsl(var(--foreground));
  cursor: pointer;
  transition: background var(--transition-fast);
}
.filter-check:hover { background: hsl(var(--muted)); }
.filter-check input { margin: 0; cursor: pointer; accent-color: hsl(var(--primary)); flex-shrink: 0; }
.filter-check .fcount {
  font-size: var(--font-size-xs);
  color: hsl(var(--muted-foreground));
  margin-left: auto;
  background: hsl(var(--muted));
  border-radius: var(--radius-full);
  padding: 0 6px; line-height: 1.6;
}
.clear-filters {
  display: block;
  font-size: var(--font-size-sm);
  color: hsl(var(--muted-foreground));
  cursor: pointer;
  padding: 0.35rem var(--space-4) 0.6rem;
  border: none; background: none;
  text-align: left; width: 100%;
  font-family: var(--font-sans);
  transition: color var(--transition-base);
}
.clear-filters:hover { color: hsl(var(--foreground)); }

/* ── Content Area ── */
.content { flex: 1; padding: var(--space-6); min-width: 0; background: hsl(var(--muted)); }

/* ── Callout ── */
.callout {
  background: hsl(var(--accent));
  border-left: 4px solid hsl(var(--border));
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-4);
  margin-bottom: var(--space-6);
  font-size: var(--font-size-base);
  color: hsl(var(--foreground));
}
.callout--blue {
  background: var(--brand-blue);
  border-left-color: var(--brand-blue);
  color: var(--brand-blue-fg);
}
.callout--blue .view-btn {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.4);
  color: #fff;
}
.callout--blue .view-btn:hover { background: rgba(255,255,255,0.25); border-color: #fff; }
.callout--blue .view-btn.active { background: #fff; border-color: #fff; color: var(--brand-blue); }

.callout--blue h2 {
  font-size: var(--font-size-2xl);
  line-height: 1.2;
  margin-bottom: 0.35rem;
  color: var(--brand-blue-fg);
}

/* ── Section headers ── */
.section-header {
  font-size: var(--font-size-lg);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2);
  display: flex; align-items: center; gap: var(--space-2);
  color: hsl(var(--foreground));
}
.section-header .badge {
  font-size: var(--font-size-xs);
  background: transparent;
  color: var(--brand-blue);
  border: 1px solid var(--brand-blue);
  border-radius: var(--radius-badge);
  padding: 2px 8px;
  font-weight: 500;
}
.section-sub { color: hsl(var(--muted-foreground)); margin-bottom: var(--space-4); font-size: var(--font-size-base); }

/* ── Product Cards ── */
.product-list { display: flex; flex-direction: column; gap: var(--space-3); margin-bottom: 2rem; }
.product-card {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-4);
  display: flex; gap: var(--space-4); align-items: flex-start;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.product-card:hover {
  border-color: hsl(var(--ring) / 0.4);
  box-shadow: var(--shadow-sm);
}
.product-card.hidden-by-filter { display: none; }
.product-card.hidden-by-scope  { display: none; }
.pc-info { flex: 1; min-width: 0; }
.pc-name { font-weight: 700; font-size: var(--font-size-lg); margin-bottom: var(--space-2); color: hsl(var(--card-foreground)); letter-spacing: -0.01em; }
.pc-type {
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  padding: 1px 7px;
  display: inline-block;
  color: #000;
}
.pc-type.oil       { background: var(--type-oil); }
.pc-type.grease    { background: var(--type-grease); }
.pc-type.specialty { background: var(--type-specialty); }
.pc-meta { font-size: var(--font-size-sm); color: hsl(var(--muted-foreground)); margin-bottom: var(--space-2); }
.pc-meta span { margin-right: var(--space-4); color: hsl(var(--muted-foreground)); }
.pc-meta .pc-type { color: #000; margin-right: var(--space-2); }
.visc-info-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 14px; height: 14px; border-radius: 50%;
  background: hsl(var(--border));
  border: none; cursor: pointer;
  font-size: 0.62rem; font-weight: 700;
  color: hsl(var(--muted-foreground));
  margin-left: 3px; vertical-align: middle; padding: 0; flex-shrink: 0;
  transition: background var(--transition-base), color var(--transition-base);
}
.visc-info-btn:hover { background: hsl(var(--input)); color: hsl(var(--foreground)); }
.visc-popup {
  position: absolute; z-index: 9999;
  background: hsl(var(--popover));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  max-width: 280px;
  font-size: var(--font-size-sm);
  box-shadow: var(--shadow-md);
  line-height: 1.55;
  color: hsl(var(--popover-foreground));
  display: none;
}
.visc-popup strong { color: hsl(var(--popover-foreground)); }
.pc-desc { font-size: var(--font-size-base); color: hsl(var(--muted-foreground)); }
.pc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}
.pc-bestfor, .pc-avoid, .pc-scope-note {
  display: flex;
  flex-direction: column;
  gap: 0.25em;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
  padding: 0.75em 1em;
  max-width: 230px;
}
.pc-bestfor strong, .pc-avoid strong, .pc-scope-note strong {
  font-weight: 700;
  font-size: var(--font-size-sm);
}
.pc-bestfor { background: hsl(var(--muted)); color: hsl(var(--foreground)); }
.pc-bestfor strong { color: hsl(var(--foreground)); }
.pc-avoid { background: hsl(var(--destructive) / 0.06); color: hsl(var(--destructive)); }
.pc-avoid strong { color: hsl(var(--destructive)); }
.pc-scope-note { display: none; background: color-mix(in srgb, var(--brand-blue) 8%, transparent); color: var(--brand-blue); }
.pc-scope-note.show { display: flex; }
.pc-scope-note strong { color: var(--brand-blue); }
.pc-thumb {
  flex-shrink: 0; width: 80px; height: 80px;
  object-fit: contain;
  border-radius: var(--radius-md);
  background: hsl(var(--muted));
}
.pc-actions { flex-shrink: 0; display: flex; flex-direction: column; align-items: flex-end; gap: var(--space-2); }
.amz-btn {
  display: inline-block;
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  font-weight: 500;
  font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: background var(--transition-base);
  white-space: nowrap;
}
.amz-btn:hover { background: hsl(var(--primary) / 0.85); text-decoration: none; color: hsl(var(--primary-foreground)); }

/* ── Buy Buttons (multi-retailer) ── */
.buy-buttons { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; }

.buy-btn {
  display: inline-block; font-weight: 500; font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-md);
  text-decoration: none; letter-spacing: 0.01em;
  transition: background var(--transition-base); white-space: nowrap;
}
.buy-btn--amazon  { background: hsl(var(--primary)); color: hsl(var(--primary-foreground)); }
.buy-btn--amazon:hover  { background: hsl(var(--primary) / 0.85); color: hsl(var(--primary-foreground)); text-decoration: none; }
.buy-btn--walmart { background: var(--color-walmart); color: var(--color-walmart-fg); }
.buy-btn--walmart:hover { background: var(--color-walmart-hover); color: var(--color-walmart-fg); text-decoration: none; }

/* Manufacturer direct-buy button (shown when Amazon listing is unavailable) */
.buy-btn--mfg { background: hsl(var(--foreground)); color: hsl(var(--background)); }
.buy-btn--mfg:hover { background: hsl(var(--foreground) / 0.85); color: hsl(var(--background)); text-decoration: none; }
.buy-btn--mfg-right { margin-left: auto; }

/* Grayed-out Amazon button when product is flagged unavailable */
.buy-btn--unavailable {
  background: hsl(var(--muted));
  color: hsl(var(--muted-foreground));
  text-decoration: line-through;
  opacity: 0.7;
}
.buy-btn--unavailable:hover {
  background: hsl(var(--muted));
  color: hsl(var(--muted-foreground));
  opacity: 0.85;
}

/* Availability warning badge */
.avail-badge {
  display: inline-flex; align-items: center; gap: 0.25em;
  font-size: var(--font-size-xs); font-weight: 500;
  color: hsl(var(--destructive));
  background: hsl(var(--destructive) / 0.08);
  border: 1px solid hsl(var(--destructive) / 0.25);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  white-space: nowrap;
  cursor: help;
}

.buy-other { position: relative; display: inline-block; }
.buy-other__toggle {
  font-family: var(--font-sans); font-weight: 500; font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-md);
  border: 1px solid hsl(var(--border)); background: hsl(var(--background));
  color: hsl(var(--muted-foreground)); cursor: pointer; white-space: nowrap;
  transition: border-color var(--transition-base), color var(--transition-base);
}
.buy-other__toggle:hover,
.buy-other__toggle[aria-expanded="true"] { border-color: hsl(var(--input)); color: hsl(var(--foreground)); }

.buy-other__menu {
  display: none; position: absolute; top: calc(100% + 4px); right: 0;
  min-width: 140px; background: hsl(var(--popover));
  border: 1px solid hsl(var(--border)); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md); z-index: 400; overflow: hidden;
}
.buy-other__menu.open { display: block; }

.buy-other__item {
  display: block; padding: 0.55rem var(--space-4); font-size: var(--font-size-sm);
  color: hsl(var(--popover-foreground)); text-decoration: none;
  border-bottom: 1px solid hsl(var(--muted));
  transition: background var(--transition-fast);
}
.buy-other__item:last-child { border-bottom: none; }
.buy-other__item:hover { background: hsl(var(--accent)); color: hsl(var(--accent-foreground)); text-decoration: none; }

.pc-price { font-size: var(--font-size-sm); color: hsl(var(--muted-foreground)); }
.pc-price-live { color: hsl(var(--foreground)); font-weight: 600; }
.pc-origin { font-size: var(--font-size-xs); color: hsl(var(--muted-foreground)); }

/* ── No results ── */
.no-results { text-align: center; padding: 3rem var(--space-4); color: hsl(var(--muted-foreground)); }
.no-results strong { display: block; font-size: var(--font-size-lg); color: hsl(var(--foreground)); margin-bottom: var(--space-2); }

/* ── Footer ── */
footer {
  text-align: center;
  padding: 2rem var(--space-4);
  border-top: 1px solid hsl(var(--border));
  color: hsl(var(--muted-foreground));
  font-size: var(--font-size-sm);
  margin-top: 2rem;
  background: hsl(var(--background));
}

/* ── Mobile Sidebar Header (close button row) ── */
.sidebar-mobile-header {
  display: none;
  align-items: center; justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid hsl(var(--border));
  font-weight: 600; font-size: var(--font-size-base);
  margin-bottom: var(--space-2);
}
.sidebar-close-btn {
  background: none; border: none; cursor: pointer;
  color: hsl(var(--muted-foreground));
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
}
.sidebar-close-btn:hover { color: hsl(var(--foreground)); background: hsl(var(--muted)); }
.sidebar-close-btn svg { width: 20px; height: 20px; }

@media (max-width: 768px) {
  .sidebar-mobile-header { display: flex; }
  .cat-tabs { padding: 0 var(--space-2); flex-wrap: nowrap; }
  .cat-tab { padding: var(--space-3) var(--space-2) 0; flex: 1; gap: 0.3rem; }
  .cat-icon-wrap { width: 28px; height: 28px; }
  .cat-icon-wrap svg { width: 20px; height: 20px; }
  .cat-icon-wrap svg[width] { width: 20px; height: 20px; }
  .cat-label { font-size: 0.65rem; padding-bottom: var(--space-2); }
  .section-header-row h2 { font-size: var(--font-size-lg); }
}

/* ── Mobile Filter Toggle Button ── */
.mobile-filter-toggle {
  display: none;
  align-items: center; gap: var(--space-2);
  background: hsl(var(--background));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-base);
  color: hsl(var(--muted-foreground));
  cursor: pointer;
  font-family: var(--font-sans);
  flex-shrink: 0;
}
.mobile-filter-toggle svg { width: 16px; height: 16px; flex-shrink: 0; }

/* ── Sidebar Drawer Overlay ── */
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 300;
}
.sidebar-overlay.open { display: block; }

/* ── Responsive ── */
@media (max-width: 768px) {
  /* Sidebar becomes a left flyout drawer */
  .sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    width: 280px; max-width: 85vw;
    background: hsl(var(--background));
    border-right: 1px solid hsl(var(--border));
    box-shadow: var(--shadow-xl);
    z-index: 400;
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    padding-top: var(--space-4);
  }
  .sidebar.open {
    transform: translateX(0);
  }

  .main-layout { flex-direction: column; }
  .product-card { flex-direction: column; }
  .pc-actions { flex-direction: row; align-items: center; }

  /* Top bar: filter button + search full-width */
  .top-bar {
    flex-wrap: wrap;
    gap: var(--space-2);
  }
  .top-bar .logo { order: 1; flex: 0 0 auto; }
  .top-bar .section-indicator { order: 1; }
  .top-bar .mobile-filter-toggle { order: 2; display: inline-flex !important; margin-left: auto; }
  .top-bar .search-wrap { order: 3; flex: 1 1 100%; max-width: 100%; }
  .top-bar .suggest-btn { display: none; }
}

/* ── Section Header Row ── */
.section-header-row {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: var(--space-2);
}

/* ── View Toggle ── */
.view-toggle-bar {
  display: flex; align-items: center; gap: var(--space-2);
  flex-shrink: 0; margin-top: 2px;
}
.view-btn {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: var(--space-2) 0.7rem;
  font-size: var(--font-size-sm); font-weight: 500;
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-md);
  background: hsl(var(--background));
  color: hsl(var(--muted-foreground));
  cursor: pointer; font-family: var(--font-sans);
  transition: border-color var(--transition-base), color var(--transition-base), background var(--transition-base);
}
.view-btn:hover { border-color: hsl(var(--input)); color: hsl(var(--foreground)); }
.view-btn.active { background: hsl(var(--primary)); border-color: hsl(var(--primary)); color: hsl(var(--primary-foreground)); }
.view-btn svg { width: 14px; height: 14px; flex-shrink: 0; }

/* ── Product Table ── */
.product-table-wrap { overflow-x: auto; margin-bottom: 2rem; }
.product-table { width: 100%; border-collapse: collapse; font-size: var(--font-size-base); }
.product-table thead th {
  text-align: left;
  padding: 0.6rem 0.85rem;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: hsl(var(--muted-foreground));
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border-bottom: 1px solid hsl(var(--border));
  white-space: nowrap;
  background: hsl(var(--secondary));
}
.product-table thead th:first-child { border-radius: var(--radius-md) 0 0 0; }
.product-table thead th:last-child  { border-radius: 0 var(--radius-md) 0 0; }
.product-table tbody tr { transition: background var(--transition-fast); background: hsl(var(--background)); }
.product-table tbody .pt-main-row { border-top: 1px solid hsl(var(--border)); }
.product-table tbody .pt-bestfor-row { border-bottom: 1px solid hsl(var(--border)); }
.product-table tbody .pt-main-row:hover,
.product-table tbody .pt-main-row:hover + .pt-bestfor-row { background: hsl(var(--accent)); }
.product-table tbody td { padding: 0.65rem 0.85rem; vertical-align: middle; color: hsl(var(--foreground)); line-height: 1.4; }
.product-table tbody .pt-bestfor-row td { padding-top: 0.25rem; padding-bottom: 0.75rem; vertical-align: top; }
.pt-name { font-weight: 600; color: hsl(var(--foreground)); }
.pt-link {
  display: inline-block;
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  font-weight: 500;
  font-size: var(--font-size-sm);
  padding: var(--space-2) 0.7rem;
  border-radius: var(--radius-md);
  text-decoration: none; white-space: nowrap;
  transition: background var(--transition-base);
}
.pt-link:hover { background: hsl(var(--primary) / 0.85); text-decoration: none; color: hsl(var(--primary-foreground)); }
.pt-buy-cell { white-space: nowrap; vertical-align: middle; }
.pt-buy-cell .buy-buttons { flex-direction: column; align-items: flex-start; gap: 0.3rem; }
.pt-buy-cell .buy-other__menu { right: auto; left: 0; }

/* ── Scroll to top ── */
.scroll-top {
  position: fixed; bottom: var(--space-6); right: var(--space-6);
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  border: none; border-radius: 50%;
  width: 40px; height: 40px; font-size: 1.2rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  display: none; z-index: 100;
  transition: background var(--transition-base);
}
.scroll-top.show { display: block; }
.scroll-top:hover { background: hsl(var(--primary) / 0.85); }

/* ── Submission Modal ── */
.modal-backdrop {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 1000; align-items: center; justify-content: center; padding: var(--space-4);
}
.modal-backdrop.open { display: flex; }
.modal-panel {
  background: hsl(var(--background));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-lg);
  width: 100%; max-width: 520px;
  max-height: 90vh; overflow-y: auto;
  box-shadow: var(--shadow-xl);
  display: flex; flex-direction: column;
}
.modal-header {
  padding: var(--space-4) var(--space-6) 0;
  display: flex; align-items: flex-start; justify-content: space-between;
}
.modal-header h2 { font-size: var(--font-size-lg); font-weight: 600; color: hsl(var(--foreground)); margin: 0; letter-spacing: -0.01em; }
.modal-header p  { font-size: var(--font-size-sm); color: hsl(var(--muted-foreground)); margin: var(--space-2) 0 0; }
.modal-close {
  background: none; border: none; cursor: pointer;
  color: hsl(var(--muted-foreground));
  font-size: 1.4rem; line-height: 1; padding: 0; margin-left: var(--space-4); flex-shrink: 0;
  transition: color var(--transition-base);
}
.modal-close:hover { color: hsl(var(--foreground)); }
.modal-tabs {
  display: flex; gap: 0;
  padding: var(--space-4) var(--space-6) 0;
  border-bottom: 1px solid hsl(var(--border));
}
.modal-tab {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-base); font-weight: 500;
  cursor: pointer; border: none; background: none;
  color: hsl(var(--muted-foreground));
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  font-family: var(--font-sans);
  transition: color var(--transition-base);
}
.modal-tab.active { color: hsl(var(--foreground)); border-bottom-color: hsl(var(--primary)); }
.modal-tab:hover:not(.active) { color: hsl(var(--foreground)); }
.modal-body { padding: var(--space-4) var(--space-6) var(--space-6); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }
.form-row { margin-bottom: 0.85rem; }
.form-row label {
  display: block;
  font-size: var(--font-size-sm); font-weight: 500;
  color: hsl(var(--muted-foreground));
  margin-bottom: var(--space-2);
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: var(--space-2) 0.65rem;
  border: 1px solid hsl(var(--input));
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  color: hsl(var(--foreground));
  background: hsl(var(--background));
  box-sizing: border-box;
  font-family: var(--font-sans);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: hsl(var(--ring));
  box-shadow: 0 0 0 3px hsl(var(--ring) / 0.2);
}
.form-row textarea { min-height: 70px; resize: vertical; }
.form-row input[readonly] { background: hsl(var(--muted)); color: hsl(var(--muted-foreground)); }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.form-hint { font-size: var(--font-size-xs); color: hsl(var(--muted-foreground)); margin-top: var(--space-2); }
.form-divider { border: none; border-top: 1px solid hsl(var(--muted)); margin: var(--space-4) 0; }
.form-submit-btn {
  width: 100%; padding: 0.65rem;
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base); font-weight: 500;
  cursor: pointer; margin-top: var(--space-2);
  font-family: var(--font-sans);
  transition: background var(--transition-base);
}
.form-submit-btn:hover { background: hsl(var(--primary) / 0.85); }
.form-submit-btn:disabled { background: hsl(var(--muted)); color: hsl(var(--muted-foreground)); cursor: not-allowed; }
.form-feedback {
  font-size: var(--font-size-base); text-align: center;
  margin-top: var(--space-3); padding: 0.6rem;
  border-radius: var(--radius-md); display: none;
}
.form-feedback.success { display: block; background: hsl(var(--accent)); color: hsl(var(--accent-foreground)); }
.form-feedback.error   { display: block; background: hsl(var(--destructive) / 0.1); color: hsl(var(--destructive)); }
.suggest-btn {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: var(--space-2) 0.8rem;
  font-size: var(--font-size-sm); font-weight: 500;
  background: hsl(var(--background));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius-md);
  color: hsl(var(--muted-foreground));
  cursor: pointer; white-space: nowrap;
  font-family: var(--font-sans);
  transition: background var(--transition-base), border-color var(--transition-base), color var(--transition-base);
}
.suggest-btn:hover { background: hsl(var(--accent)); border-color: hsl(var(--input)); color: hsl(var(--foreground)); }
.correct-link {
  font-size: var(--font-size-xs);
  color: hsl(var(--muted-foreground));
  background: none; border: none;
  cursor: pointer; padding: 0;
  text-decoration: underline; text-decoration-style: dotted;
  font-family: var(--font-sans);
  transition: color var(--transition-base);
}
.correct-link:hover { color: hsl(var(--foreground)); }
.mfg-link {
  font-size: var(--font-size-xs);
  color: hsl(var(--muted-foreground));
  text-decoration: underline; text-decoration-style: dotted;
  text-underline-offset: 2px;
  transition: color var(--transition-base);
}
.mfg-link:hover { color: hsl(var(--foreground)); text-decoration: none; }