/* ===== Manufacturer Products Listing ===== */

.mp-mfr-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.mp-mfr-name {
  font-size: 1.75rem; font-weight: 700; letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}
@media (min-width: 640px) { .mp-mfr-name { font-size: 2rem; } }
.mp-mfr-meta {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.mp-product-count {
  font-size: 0.8125rem; color: var(--muted-fg); font-weight: 500;
}

/* Layout */
.mp-layout {
  display: grid; grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 768px) {
  .mp-layout { grid-template-columns: 14rem 1fr; }
}
@media (min-width: 1024px) {
  .mp-layout { grid-template-columns: 16rem 1fr; }
}

/* Filters */
.mp-filters {
  align-self: start;
  background: var(--trust-bg);
  border-radius: 0.75rem;
  padding: 1rem;
}
@media (min-width: 768px) {
  .mp-filters { position: sticky; top: 5rem; }
}
@media (max-width: 767px) {
  .mp-filters {
    position: fixed; top: 0; left: 0; bottom: 0; width: 18rem;
    background: var(--card); z-index: 60; padding: 1.25rem;
    overflow-y: auto; transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: 4px 0 24px rgba(0,0,0,0.1);
  }
  .mp-filters.open { transform: translateX(0); }
}

.mp-filter-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1.25rem;
}
.mp-filter-header h3 {
  font-size: 0.9375rem; font-weight: 700;
}
.mp-filter-clear {
  font-size: 0.6875rem; color: var(--primary); font-weight: 500;
  cursor: pointer; background: none; border: none; padding: 0;
}
.mp-filter-clear:hover { opacity: 0.7; }

.mp-filter-group {
  margin-bottom: 1.25rem; padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.mp-filter-group:last-child { border-bottom: none; }
.mp-filter-title {
  font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.04em; color: var(--muted-fg); margin-bottom: 0.625rem;
}
.mp-filter-options {
  display: flex; flex-direction: column; gap: 0.375rem;
}
.mp-filter-option {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.8125rem; color: var(--fg); cursor: pointer;
  padding: 0.25rem 0;
}
.mp-filter-option input[type="checkbox"] {
  accent-color: var(--primary);
  width: 0.875rem; height: 0.875rem;
}

/* Toolbar */
.mp-toolbar {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 1rem; flex-wrap: wrap;
}
.mp-mobile-filter-btn {
  display: inline-flex; align-items: center; gap: 0.375rem;
  padding: 0.5rem 0.875rem; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 0.8125rem; font-weight: 500;
  background: var(--card); color: var(--fg); cursor: pointer;
}
@media (min-width: 768px) { .mp-mobile-filter-btn { display: none; } }
.mp-result-info {
  flex: 1; font-size: 0.8125rem; color: var(--muted-fg);
}
.mp-sort {
  padding: 0.4375rem 0.75rem; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 0.8125rem;
  background: var(--card); color: var(--fg);
}

/* Active filter chips */
.mp-active-filters {
  display: flex; flex-wrap: wrap; gap: 0.375rem;
  margin-bottom: 1rem;
}
.mp-active-filters:empty { display: none; }
.mp-chip {
  display: inline-flex; align-items: center; gap: 0.25rem;
  padding: 0.25rem 0.625rem; background: var(--secondary);
  border-radius: 1rem; font-size: 0.6875rem; font-weight: 500;
  color: var(--primary);
}
.mp-chip-x {
  cursor: pointer; font-size: 0.875rem; line-height: 1;
  margin-left: 0.125rem; opacity: 0.7;
}
.mp-chip-x:hover { opacity: 1; }

/* Product Grid */
.mp-product-grid {
  display: grid; grid-template-columns: 1fr; gap: 0.75rem;
}
@media (min-width: 480px) { .mp-product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .mp-product-grid { grid-template-columns: repeat(3, 1fr); } }

.mp-product-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.125rem;
  display: flex; flex-direction: column; gap: 0.5rem;
  transition: all 0.2s;
}
.mp-product-card:hover {
  border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
  box-shadow: 0 4px 16px -4px color-mix(in srgb, var(--secondary) 80%, transparent);
  transform: translateY(-1px);
}
.mp-pc-category {
  font-size: 0.625rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.04em; color: var(--primary);
  padding: 0.125rem 0.5rem; background: var(--secondary);
  border-radius: 0.25rem; align-self: flex-start;
}
.mp-pc-name {
  font-size: 0.9375rem; font-weight: 600;
}
.mp-pc-salt {
  font-size: 0.75rem; color: var(--muted-fg);
}
.mp-pc-meta {
  display: flex; align-items: center; gap: 0.75rem;
  font-size: 0.75rem; color: var(--muted-fg);
}
.mp-pc-form {
  padding: 0.125rem 0.5rem; background: var(--muted);
  border-radius: 0.25rem; font-size: 0.6875rem; font-weight: 500;
}
.mp-pc-rx {
  font-size: 0.625rem; font-weight: 600;
  padding: 0.125rem 0.375rem; border-radius: 0.25rem;
}
.mp-pc-rx.otc { background: hsla(155, 50%, 45%, 0.1); color: hsl(155, 50%, 35%); }
.mp-pc-rx.rx { background: hsla(0, 60%, 50%, 0.1); color: hsl(0, 50%, 40%); }
.mp-pc-bottom {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: auto; padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}
.mp-pc-price {
  font-size: 0.9375rem; font-weight: 700;
}
.mp-pc-pack {
  font-size: 0.6875rem; color: var(--muted-fg);
}
.mp-pc-view {
  font-size: 0.6875rem; font-weight: 500; color: var(--primary);
  padding: 0.3125rem 0.75rem; border: 1px solid color-mix(in srgb, var(--primary) 30%, var(--border));
  border-radius: 0.375rem; transition: all 0.15s; display: inline-block;
}
.mp-pc-view:hover { background: var(--secondary); }

/* No results */
.mp-no-results {
  text-align: center; padding: 3rem 1rem; color: var(--muted-fg);
}
.mp-no-results.hidden { display: none; }
.mp-no-results svg { margin: 0 auto 1rem; opacity: 0.4; }
.mp-no-results p { font-size: 0.875rem; margin-bottom: 1rem; }

/* Mobile filter overlay backdrop */
.mp-filter-overlay {
  position: fixed; inset: 0; z-index: 59;
  background: rgba(0,0,0,0.25); display: none;
}
.mp-filter-overlay.show { display: block; }
@media (min-width: 768px) { .mp-filter-overlay { display: none !important; } }