/* ==========================================================================
   CATEGORY PRODUCTS PAGE STYLES - HATI SOLUTIONS
   Tuân thủ nghiêm ngặt quy tắc GEMINI.md:
   - Viết toàn bộ CSS thuần, không spam bootstrap utilities
   - Tên class ngữ nghĩa theo ngữ cảnh (.cat-prod-...)
   - Hỗ trợ mượt mà cả Light Mode và Dark Mode
   ========================================================================== */

:root {
  --cat-primary: #D32F2F;
  --cat-primary-dark: #B71C1C;
  --cat-primary-soft: #FFF1F2;
  --cat-primary-border: #FECDD3;
  --cat-text-main: #0F172A;
  --cat-text-muted: #64748B;
  --cat-border-color: #E2E8F0;
  --cat-card-bg: #FFFFFF;
  --cat-body-bg: #F8FAFC;
}

html[data-theme="dark"] {
  --cat-primary: #FF5252;
  --cat-primary-dark: #D32F2F;
  --cat-primary-soft: rgba(211, 47, 47, 0.16);
  --cat-primary-border: rgba(211, 47, 47, 0.35);
  --cat-text-main: #F8FAFC;
  --cat-text-muted: #94A3B8;
  --cat-border-color: rgba(255, 255, 255, 0.08);
  --cat-card-bg: #18191E;
  --cat-body-bg: #0F1117;
}

.cat-prod-main {
  background: var(--cat-body-bg);
  min-height: 100vh;
  padding-bottom: 60px;
  padding-top: 3rem;
}

/* ==========================================================================
   1. Breadcrumb Navigation
   ========================================================================== */
.cat-prod-breadcrumb-nav {
  background: var(--cat-card-bg);
  border-bottom: 1px solid var(--cat-border-color);
  padding: 12px 0;
}

.cat-prod-breadcrumb-wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.85rem;
}

.cat-prod-breadcrumb-link {
  color: var(--cat-text-muted);
  text-decoration: none;
  transition: color 0.18s ease;
}

.cat-prod-breadcrumb-link:hover {
  color: var(--cat-primary);
}

.cat-prod-breadcrumb-sep {
  color: #CBD5E1;
  font-size: 0.8rem;
}

.cat-prod-breadcrumb-current {
  color: var(--cat-text-main);
  font-weight: 700;
}

/* ==========================================================================
   2. Hero Section (Header Chuyên Mục)
   ========================================================================== */
.cat-prod-hero {
  background: linear-gradient(135deg, rgba(183, 28, 28, 0.04) 0%, rgba(211, 47, 47, 0.08) 100%);
  border-bottom: 1px solid var(--cat-border-color);
  padding: 36px 0 32px;
}

html[data-theme="dark"] .cat-prod-hero {
  background: linear-gradient(135deg, rgba(211, 47, 47, 0.08) 0%, rgba(15, 17, 23, 0.95) 100%);
}

.cat-prod-hero-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

.cat-prod-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--cat-primary-soft);
  color: var(--cat-primary);
  border: 1px solid var(--cat-primary-border);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}

.cat-prod-hero-h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  font-weight: 800;
  color: var(--cat-text-main);
  line-height: 1.25;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.cat-prod-hero-desc {
  max-width: 860px;
  color: var(--cat-text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
  margin: 0 0 20px;
}

.cat-prod-hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.cat-prod-hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--cat-card-bg);
  color: var(--cat-text-main);
  border: 1px solid var(--cat-border-color);
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.cat-prod-hero-pill svg {
  color: var(--cat-primary);
}

/* ==========================================================================
   3. Catalog Section Layout (Sidebar + Content)
   ========================================================================== */
.cat-prod-catalog-section {
  padding: 32px 0 40px;
}

.cat-prod-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

.cat-prod-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--cat-border-color);
}

.cat-prod-section-h2 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--cat-text-main);
  margin: 0;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

.cat-prod-title-desktop {
  display: inline;
}

.cat-prod-title-mobile {
  display: none;
}

.cat-prod-count-badge {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--cat-text-muted);
  background: var(--cat-card-bg);
  border: 1px solid var(--cat-border-color);
  padding: 4px 10px;
  border-radius: 6px;
  white-space: nowrap;
  flex-shrink: 0;
}

.cat-prod-count-desktop {
  display: inline;
}

.cat-prod-count-mobile {
  display: none;
}

.cat-prod-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 28px;
  align-items: start;
}

@media (max-width: 991px) {
  .cat-prod-layout {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   4. Sidebar Cards (Filter, Related, Contact)
   ========================================================================== */
.cat-prod-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.cat-prod-filter-card,
.cat-prod-related-card,
.cat-prod-contact-card {
  background: var(--cat-card-bg);
  border: 1px solid var(--cat-border-color);
  border-radius: 12px;
  padding: 16px 18px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.cat-prod-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--cat-border-color);
}

.cat-prod-sidebar-h3 {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--cat-text-main);
  text-transform: uppercase;
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
}

.cat-prod-sidebar-h3 svg {
  color: var(--cat-primary);
}

.cat-prod-reset-link {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--cat-primary);
  text-decoration: none;
  background: var(--cat-primary-soft);
  padding: 3px 8px;
  border-radius: 4px;
  transition: all 0.18s ease;
}

.cat-prod-reset-link:hover {
  background: var(--cat-primary);
  color: #FFFFFF;
}

.cat-prod-filter-group {
  margin-bottom: 14px;
}

.cat-prod-filter-group:last-child {
  margin-bottom: 0;
}

.cat-prod-filter-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--cat-text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.cat-prod-filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.cat-prod-pill {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--cat-text-muted);
  background: var(--cat-body-bg);
  border: 1px solid var(--cat-border-color);
  padding: 5px 10px;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.18s ease;
}

.cat-prod-pill:hover {
  border-color: var(--cat-primary);
  color: var(--cat-primary);
}

.cat-prod-pill.active {
  background: var(--cat-primary);
  border-color: var(--cat-primary);
  color: #FFFFFF;
  font-weight: 700;
}

/* Related Categories List */
.cat-prod-related-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cat-prod-related-item {
  margin: 0;
}

.cat-prod-related-link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 10px;
  border-radius: 7px;
  text-decoration: none;
  color: var(--cat-text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  transition: all 0.18s ease;
}

.cat-prod-related-link:hover {
  background: var(--cat-primary-soft);
  color: var(--cat-primary);
  transform: translateX(2px);
}

.cat-prod-related-link.active {
  background: var(--cat-primary-soft);
  color: var(--cat-primary);
  font-weight: 700;
}

.cat-prod-related-icon {
  width: 24px;
  height: 24px;
  border-radius: 5px;
  background: var(--cat-primary-soft);
  color: var(--cat-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cat-prod-related-link.active .cat-prod-related-icon {
  background: var(--cat-primary);
  color: #FFFFFF;
}

.cat-prod-related-name {
  flex: 1;
}

.cat-prod-related-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cat-primary);
}

/* Contact Box */
.cat-prod-contact-card {
  background: linear-gradient(135deg, rgba(211, 47, 47, 0.05) 0%, rgba(183, 28, 28, 0.12) 100%);
  border: 1px dashed var(--cat-primary-border);
}

.cat-prod-contact-pill {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 800;
  color: #FFFFFF;
  background: var(--cat-primary);
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.cat-prod-contact-title {
  font-family: var(--font-heading);
  font-size: 0.94rem;
  font-weight: 800;
  color: var(--cat-text-main);
  margin-bottom: 6px;
}

.cat-prod-contact-desc {
  font-size: 0.78rem;
  color: var(--cat-text-muted);
  line-height: 1.4;
  margin: 0 0 12px;
}

.cat-prod-contact-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  background: var(--cat-primary);
  color: #FFFFFF;
  padding: 8px 12px;
  border-radius: 8px;
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  transition: all 0.2s ease;
  margin-bottom: 6px;
}

.cat-prod-contact-btn:hover {
  background: var(--cat-primary-dark);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.cat-prod-contact-btn-sub {
  background: var(--cat-card-bg);
  color: var(--cat-text-main);
  border: 1px solid var(--cat-border-color);
  margin-bottom: 0;
}

.cat-prod-contact-btn-sub:hover {
  background: var(--cat-primary-soft);
  color: var(--cat-primary);
  border-color: var(--cat-primary-border);
}

/* ==========================================================================
   5. Content Toolbar (Search & Sort)
   ========================================================================== */
.cat-prod-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  background: var(--cat-card-bg);
  border: 1px solid var(--cat-border-color);
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 20px;
}

.cat-prod-search-form {
  display: flex;
  align-items: center;
  position: relative;
  flex: 1 1 260px;
  max-width: 380px;
}

.cat-prod-search-input {
  width: 100%;
  padding: 7px 36px 7px 12px;
  border-radius: 6px;
  border: 1px solid var(--cat-border-color);
  background: var(--cat-body-bg);
  color: var(--cat-text-main);
  font-size: 0.82rem;
  outline: none;
  transition: border-color 0.18s ease;
}

.cat-prod-search-input:focus {
  border-color: var(--cat-primary);
}

.cat-prod-search-btn {
  position: absolute;
  right: 6px;
  background: transparent;
  border: none;
  color: var(--cat-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
}

.cat-prod-search-btn:hover {
  color: var(--cat-primary);
}

.cat-prod-sort-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cat-prod-sort-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--cat-text-muted);
  text-transform: uppercase;
}

.cat-prod-sort-links {
  display: flex;
  gap: 4px;
}

.cat-prod-sort-btn {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--cat-text-muted);
  background: var(--cat-body-bg);
  border: 1px solid var(--cat-border-color);
  padding: 4px 10px;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.18s ease;
}

.cat-prod-sort-btn:hover {
  border-color: var(--cat-primary);
  color: var(--cat-primary);
}

.cat-prod-sort-btn.active {
  background: var(--cat-primary);
  border-color: var(--cat-primary);
  color: #FFFFFF;
  font-weight: 700;
}

/* ==========================================================================
   6. Product Cards Grid
   ========================================================================== */
.cat-prod-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

@media (max-width: 1200px) {
  .cat-prod-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .cat-prod-grid {
    grid-template-columns: 1fr;
  }
}

.cat-prod-card {
  background: var(--cat-card-bg);
  border: 1px solid var(--cat-border-color);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.cat-prod-card:hover {
  transform: translateY(-3px);
  border-color: var(--cat-primary-border);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.cat-prod-card-thumb-wrap {
  position: relative;
  background: #FFFFFF;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--cat-border-color);
}

html[data-theme="dark"] .cat-prod-card-thumb-wrap {
  background: #131419;
}

.cat-prod-thumb-link {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 220px;
  position: relative;
  overflow: hidden;
}

.cat-prod-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.cat-prod-card:hover .cat-prod-thumb-img {
  transform: scale(1.05);
}

.cat-prod-badge-sale {
  position: absolute;
  top: 10px;
  left: 10px;
  background: #DC2626;
  color: #FFFFFF;
  font-size: 0.70rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 4px;
}

.cat-prod-badge-brand {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(15, 23, 42, 0.85);
  color: #FFFFFF;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  text-transform: uppercase;
}

.cat-prod-card-body {
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.cat-prod-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--cat-text-muted);
  margin-bottom: 8px;
}

.cat-prod-warranty {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: #059669;
  font-weight: 700;
}

.cat-prod-card-title {
  margin-bottom: 8px;
}

.cat-prod-title-link {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--cat-text-main);
  text-decoration: none;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.18s ease;
}

.cat-prod-title-link:hover {
  color: var(--cat-primary);
}

.cat-prod-card-desc {
  font-size: 0.78rem;
  color: var(--cat-text-muted);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0 0 12px;
  flex: 1;
}

.cat-prod-price-row {
  margin-bottom: 12px;
}

.cat-prod-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.cat-prod-price-current {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--cat-primary);
}

.cat-prod-price-old {
  font-size: 0.8rem;
  color: #94A3B8;
  text-decoration: line-through;
}

.cat-prod-card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.cat-prod-btn-detail {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: var(--cat-body-bg);
  color: var(--cat-text-main);
  border: 1px solid var(--cat-border-color);
  padding: 8px 10px;
  border-radius: 8px;
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  transition: all 0.18s ease;
}

.cat-prod-btn-detail:hover {
  background: var(--cat-primary-soft);
  color: var(--cat-primary);
  border-color: var(--cat-primary-border);
}

.cat-prod-btn-quote {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: var(--cat-primary);
  color: #FFFFFF;
  padding: 8px 10px;
  border-radius: 8px;
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  transition: all 0.18s ease;
}

.cat-prod-btn-quote:hover {
  background: var(--cat-primary-dark);
  color: #FFFFFF;
}

/* Pagination */
.cat-prod-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 32px;
}

.cat-prod-page-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--cat-card-bg);
  border: 1px solid var(--cat-border-color);
  color: var(--cat-text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.18s ease;
}

.cat-prod-page-btn:hover {
  border-color: var(--cat-primary);
  color: var(--cat-primary);
}

.cat-prod-page-btn.active {
  background: var(--cat-primary);
  border-color: var(--cat-primary);
  color: #FFFFFF;
}

/* Empty state */
.cat-prod-empty {
  text-align: center;
  padding: 48px 20px;
  background: var(--cat-card-bg);
  border: 1px solid var(--cat-border-color);
  border-radius: 12px;
}

.cat-prod-empty-icon {
  color: #94A3B8;
  margin-bottom: 12px;
}

.cat-prod-empty-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--cat-text-main);
  margin-bottom: 8px;
}

.cat-prod-empty-desc {
  color: var(--cat-text-muted);
  font-size: 0.85rem;
  max-width: 480px;
  margin: 0 auto 16px;
}

.cat-prod-empty-btn {
  display: inline-block;
  background: var(--cat-primary);
  color: #FFFFFF;
  padding: 8px 16px;
  border-radius: 8px;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
}

/* ==========================================================================
   7. Policy & Support Section (H2 #2 & H3 #3)
   ========================================================================== */
.cat-prod-policy-section {
  padding: 40px 0 20px;
  border-top: 1px solid var(--cat-border-color);
}

.cat-prod-policy-h2 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--cat-text-main);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0 0 24px;
  text-align: center;
}

.cat-prod-policy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 900px) {
  .cat-prod-policy-grid {
    grid-template-columns: 1fr;
  }
}

.cat-prod-policy-card {
  background: var(--cat-card-bg);
  border: 1px solid var(--cat-border-color);
  border-radius: 12px;
  padding: 24px 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.cat-prod-policy-card-main {
  border-color: var(--cat-primary-border);
  background: linear-gradient(135deg, var(--cat-card-bg) 0%, var(--cat-primary-soft) 100%);
}

.cat-prod-policy-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--cat-primary-soft);
  color: var(--cat-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.cat-prod-policy-h3,
.cat-prod-policy-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 800;
  color: var(--cat-text-main);
  margin: 0 0 10px;
  line-height: 1.35;
}

.cat-prod-policy-desc {
  font-size: 0.84rem;
  color: var(--cat-text-muted);
  line-height: 1.55;
  margin: 0;
}

@media (max-width: 768px) {
  .cat-prod-main {
    padding-top: 0;
  }

  .cat-prod-hero-badges {
    display: none;
  }

  .cat-prod-section-header {
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom-width: 1.5px;
    gap: 10px;
  }

  .cat-prod-section-h2 {
    font-size: 1.05rem;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: 0;
  }

  .cat-prod-title-desktop {
    display: none;
  }

  .cat-prod-title-mobile {
    display: inline;
  }

  .cat-prod-count-badge {
    font-size: 0.78rem;
    padding: 3px 8px;
    border-radius: 6px;
  }

  .cat-prod-count-desktop {
    display: none;
  }

  .cat-prod-count-mobile {
    display: inline;
  }
}

@media (max-width: 480px) {
  .cat-prod-section-header {
    margin-bottom: 12px;
    padding-bottom: 8px;
  }

  .cat-prod-section-h2 {
    font-size: 0.95rem;
  }

  .cat-prod-count-badge {
    font-size: 0.74rem;
    padding: 2px 7px;
  }
}