/* ============================================================
   RADIN POLAD SHAH - Products Page Styles
============================================================ */
:root {
  --rp-navbar-height: 5.5rem;
}

/* ═══════════════════════════════════════════
   COMPONENT: Products Hero
═══════════════════════════════════════════ */
.rp-products-hero {
  block-size: 100svh;
  display: flex;
  align-items: center;
  position: relative;
  padding-block: 10rem 4rem;
  background-color: var(--rp-bg-base);
  overflow: hidden;
  animation: productsHeroReveal 0.8s ease-out forwards;
}

@keyframes productsHeroReveal {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* نور دکوراتیو پس‌زمینه */
.rp-products-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 25% 20%,
      rgba(var(--rp-primary-rgb), 0.09) 0%,
      transparent 55%);
  pointer-events: none;
  top: -75px;
}

.rp-products-hero__container {
  position: relative;
  z-index: 1;
}

.rp-products-hero__content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  text-align: center;
  align-items: center;
  max-inline-size: 48rem;
  margin-inline: auto;
}

/* Badge */
.rp-products-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding-block: 0.5rem;
  padding-inline: 1.25rem;
  background-color: rgba(var(--rp-primary-rgb), 0.1);
  border: 1px solid rgba(var(--rp-primary-rgb), 0.3);
  border-radius: 100px;
  color: var(--rp-primary);
  font-size: 0.9rem;
  font-weight: 500;
}

.rp-products-hero__badge i {
  font-size: 1rem;
}

/* Title */
.rp-products-hero__title {
  font-size: clamp(1.85rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.35;
  margin-block: 0;
  color: var(--rp-text-primary);
}

/* Description */
.rp-products-hero__description {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--rp-text-secondary);
  margin-block: 0;
  max-inline-size: 40rem;
}

/* Responsive: Hero */
@media (max-width: 992px) {
  .rp-products-hero {
    padding-block: 8rem 3rem;
  }
}

@media (max-width: 768px) {
  .rp-products-hero {
    padding-block: 7rem 2.5rem;
  }

  .rp-products-hero__description {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .rp-products-hero {
    padding-block: 6.5rem 2rem;
  }

  .rp-products-hero__title {
    font-size: clamp(1.6rem, 6vw, 2.1rem);
  }

  .rp-products-hero__badge {
    font-size: 0.85rem;
    padding-inline: 1rem;
  }
}

/* ═══════════════════════════════════════════
   COMPONENT: Products App Container
═══════════════════════════════════════════ */
.rp-products-app {
  position: relative;
  min-block-size: 100vh;
  padding-block: 0 6rem;
  background-color: var(--rp-bg-base);
}

/* Responsive: App Container */
@media (max-width: 992px) {
  .rp-products-app {
    padding-block: 0 4rem;
  }
}

@media (max-width: 768px) {
  .rp-products-app {
    padding-block: 0 3rem;
    min-block-size: 50vh;
  }
}

/* ═══════════════════════════════════════════
   COMPONENT: Loading State
═══════════════════════════════════════════ */
.rp-products-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  padding-block: 5rem;
  text-align: center;
}

.rp-products-loading__spinner {
  inline-size: 3rem;
  block-size: 3rem;
  border: 3px solid var(--rp-border);
  border-block-start-color: var(--rp-primary);
  border-radius: 50%;
  animation: productsSpinner 0.9s linear infinite;
}

@keyframes productsSpinner {
  to {
    transform: rotate(360deg);
  }
}

.rp-products-loading__text {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--rp-text-muted);
  margin-block: 0;
}

/* حالت مخفی شدن لودینگ بعد از آماده شدن JS */
.rp-products-loading.is-hidden {
  display: none;
}

/* ═══════════════════════════════════════════
   CONTAINER: Dynamic Content
═══════════════════════════════════════════ */
.rp-products-content {
  max-inline-size: 80rem;
  margin-inline: auto;
  padding-inline: 1rem;
}

/* ============================================================
   STEP-BASED NAVIGATION COMPONENTS
============================================================ */

/* Step Container - Fade In Animation */
.rp-products-step {
  animation: stepFadeIn 0.4s ease-out;
}

@keyframes stepFadeIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Step Header */
.rp-products-step__header {
  text-align: center;
  margin-block-end: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.rp-products-step__title {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--rp-text-primary);
  margin-block: 0;
}

.rp-products-step__title i {
  color: var(--rp-primary);
  font-size: 1.25em;
}

.rp-products-step__subtitle {
  font-size: 1rem;
  color: var(--rp-text-secondary);
  margin-block: 0;
}

/* Back Button */
.rp-products-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding-block: 0.5rem;
  padding-inline: 1.25rem;
  background-color: var(--rp-bg-card);
  border: 1px solid var(--rp-border);
  border-radius: 0.5rem;
  color: var(--rp-text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--rp-transition-fast);
  font-family: inherit;
}

.rp-products-back-btn:hover {
  border-color: rgba(var(--rp-primary-rgb), 0.5);
  color: var(--rp-primary);
  background-color: rgba(var(--rp-primary-rgb), 0.05);
}

/* Grid Layouts */
.rp-products-step__grid {
  display: grid;
  gap: 1.25rem;
  max-inline-size: 72rem;
  margin-inline: auto;
}

.rp-products-step__grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.rp-products-step__grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

/* ═══════════════════════════════════════════
   CATEGORY CARD (Step 1)
═══════════════════════════════════════════ */
.rp-product-category-card {
  position: relative;
  background-color: var(--rp-bg-card);
  border: 1px solid var(--rp-border);
  border-radius: 1rem;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
  cursor: pointer;
  overflow: hidden;
  transition: border-color var(--rp-transition-base),
    background-color var(--rp-transition-base),
    transform var(--rp-transition-base),
    box-shadow var(--rp-transition-base);
}

/* Top accent line */
.rp-product-category-card::before {
  content: '';
  position: absolute;
  inset-inline: 0;
  inset-block-start: 0;
  block-size: 3px;
  background: linear-gradient(90deg, var(--rp-primary), var(--rp-accent));
  opacity: 0.5;
  transition: opacity var(--rp-transition-base);
}

/* Hover & Focus */
.rp-product-category-card:hover,
.rp-product-category-card:focus-visible {
  border-color: rgba(var(--rp-primary-rgb), 0.5);
  background-color: var(--rp-bg-elevated);
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(var(--rp-primary-rgb), 0.15);
  outline: none;
}

.rp-product-category-card:hover::before,
.rp-product-category-card:focus-visible::before {
  opacity: 1;
}

/* Number badge */
.rp-product-category-card__number {
  position: absolute;
  inset-inline-start: 1rem;
  inset-block-start: 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--rp-text-muted);
  opacity: 0.6;
}

/* Icon */
.rp-product-category-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 4.5rem;
  block-size: 4.5rem;
  background: linear-gradient(135deg, rgba(var(--rp-primary-rgb), 0.12), rgba(var(--rp-accent-rgb), 0.12));
  border: 1px solid rgba(var(--rp-primary-rgb), 0.25);
  border-radius: 1rem;
  font-size: 2rem;
  color: var(--rp-primary);
  transition: all var(--rp-transition-base);
}

.rp-product-category-card:hover .rp-product-category-card__icon {
  background: linear-gradient(135deg, var(--rp-primary), var(--rp-accent));
  color: #fff;
  transform: scale(1.08) rotate(-3deg);
  box-shadow: 0 8px 24px rgba(var(--rp-primary-rgb), 0.35);
}

/* Title */
.rp-product-category-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--rp-text-primary);
  margin-block: 0;
}

/* Meta */
.rp-product-category-card__meta {
  font-size: 0.85rem;
  color: var(--rp-text-muted);
}

/* Arrow */
.rp-product-category-card__arrow {
  color: var(--rp-text-muted);
  transition: all var(--rp-transition-fast);
}

.rp-product-category-card:hover .rp-product-category-card__arrow {
  color: var(--rp-primary);
  transform: translateX(-4px);
}

/* ═══════════════════════════════════════════
   SUBCATEGORY CARD (Step 2)
═══════════════════════════════════════════ */
.rp-product-subcategory-card {
  position: relative;
  background-color: var(--rp-bg-card);
  border: 1px solid var(--rp-border);
  border-radius: 0.85rem;
  padding: 1.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  text-align: center;
  cursor: pointer;
  overflow: hidden;
  transition: border-color var(--rp-transition-base),
    background-color var(--rp-transition-base),
    transform var(--rp-transition-base);
}

/* Top accent line */
.rp-product-subcategory-card::before {
  content: '';
  position: absolute;
  inset-inline: 0;
  inset-block-start: 0;
  block-size: 2px;
  background: linear-gradient(90deg, var(--rp-primary), var(--rp-accent));
  opacity: 0.4;
  transition: opacity var(--rp-transition-base);
}

/* Hover & Focus */
.rp-product-subcategory-card:hover,
.rp-product-subcategory-card:focus-visible {
  border-color: rgba(var(--rp-primary-rgb), 0.5);
  background-color: var(--rp-bg-elevated);
  transform: translateY(-4px);
  outline: none;
}

.rp-product-subcategory-card:hover::before {
  opacity: 1;
}

/* Icon */
.rp-product-subcategory-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 3.25rem;
  block-size: 3.25rem;
  background-color: rgba(var(--rp-primary-rgb), 0.1);
  border: 1px solid rgba(var(--rp-primary-rgb), 0.2);
  border-radius: 0.75rem;
  font-size: 1.4rem;
  color: var(--rp-primary);
  transition: all var(--rp-transition-base);
}

.rp-product-subcategory-card:hover .rp-product-subcategory-card__icon {
  background: linear-gradient(135deg, var(--rp-primary), var(--rp-accent));
  color: #fff;
  transform: scale(1.05);
}

/* Title */
.rp-product-subcategory-card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--rp-text-primary);
  margin-block: 0;
  line-height: 1.5;
}

/* Arrow */
.rp-product-subcategory-card__arrow {
  color: var(--rp-text-muted);
  font-size: 0.9rem;
  transition: all var(--rp-transition-fast);
}

.rp-product-subcategory-card:hover .rp-product-subcategory-card__arrow {
  color: var(--rp-primary);
  transform: translateX(-3px);
}

/* ═══════════════════════════════════════════
   ERROR STATE
═══════════════════════════════════════════ */
.rp-products-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding-block: 5rem;
  text-align: center;
}

.rp-products-error button {
  padding-block: 0;
}

.rp-products-error i {
  font-size: 1.5rem;
}

.rp-products-error h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--rp-text-primary);
  margin-block: 0;
}

.rp-products-error p {
  color: var(--rp-text-secondary);
  margin-block: 0;
}

/* ═══════════════════════════════════════════
   DATA PREVIEW PLACEHOLDER (Step 3)
═══════════════════════════════════════════ */
.rp-products-data-preview {
  display: flex;
  justify-content: center;
  padding-block: 3rem;
}

.rp-products-data-preview__box {
  background-color: var(--rp-bg-card);
  border: 2px dashed var(--rp-border-light);
  border-radius: 1rem;
  padding: 3rem 4rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.rp-products-data-preview__box i {
  font-size: 3rem;
  color: var(--rp-primary);
  opacity: 0.6;
}

.rp-products-data-preview__box p {
  font-size: 1.1rem;
  color: var(--rp-text-secondary);
  margin-block: 0;
}

.rp-products-data-preview__box small {
  font-size: 0.85rem;
  color: var(--rp-text-muted);
  direction: ltr;
}

/* ═══════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════ */
@media (max-width: 992px) {
  .rp-products-step__grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .rp-products-step__grid--4 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .rp-products-step__grid--3 {
    grid-template-columns: 1fr;
  }

  .rp-products-step__grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .rp-product-category-card {
    padding: 2rem 1.5rem;
  }

  .rp-product-category-card__icon {
    inline-size: 3.75rem;
    block-size: 3.75rem;
    font-size: 1.75rem;
  }
}

@media (max-width: 480px) {
  .rp-products-step__grid--4 {
    grid-template-columns: 1fr;
  }

  .rp-product-subcategory-card {
    flex-direction: row;
    text-align: start;
    justify-content: flex-start;
    padding: 1.25rem;
  }

  .rp-product-subcategory-card__title {
    flex: 1;
  }
}

/* ═══════════════════════════════════════════
   TOOLBAR & BACK BUTTON
═══════════════════════════════════════════ */
.rp-products-step__toolbar {
  display: flex;
  justify-content: flex-start;
  margin-block-end: 2rem;
  max-inline-size: 72rem;
  margin-inline: auto;
}

.rp-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding-block: 0.6rem;
  padding-inline: 1.5rem;
  margin-inline: auto;
  background-color: var(--rp-bg-card);
  border: 1px solid var(--rp-border);
  border-radius: 0.5rem;
  color: var(--rp-text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--rp-transition-fast);
  font-family: inherit;
}

.rp-back-btn i {
  font-size: 1.1rem;
  transition: transform var(--rp-transition-fast);
}

.rp-back-btn:hover {
  border-color: rgba(var(--rp-primary-rgb), 0.5);
  color: var(--rp-primary);
  background-color: rgba(var(--rp-primary-rgb), 0.05);
}

.rp-back-btn:hover i {
  transform: translateX(4px);
}

/* Light Theme */
[data-theme="light"] .rp-back-btn {
  background-color: transparent;
  border-color: var(--rp-border-light);
}

[data-theme="light"] .rp-back-btn:hover {
  background-color: var(--rp-bg-elevated);
}

/* ═══════════════════════════════════════════
   SIMPLE LIST RENDERER
   Desktop: 3 cols → Tablet: 2 cols → Mobile: 1 col
═══════════════════════════════════════════ */
.rp-simple-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  max-inline-size: 72rem;
  margin-inline: auto;
}

/* ═══════════════════════════════════════════
   SIMPLE CARD
═══════════════════════════════════════════ */
.rp-simple-card {
  background-color: var(--rp-bg-card);
  border: 1px solid var(--rp-border);
  border-radius: 0.85rem;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--rp-transition-base),
    background-color var(--rp-transition-base),
    transform var(--rp-transition-base);
}

/* Top accent line */
.rp-simple-card::before {
  content: '';
  position: absolute;
  inset-inline: 0;
  inset-block-start: 0;
  block-size: 3px;
  background: linear-gradient(90deg, var(--rp-primary), var(--rp-accent));
  opacity: 0.5;
  transition: opacity var(--rp-transition-base);
}

/* Hover */
.rp-simple-card:hover {
  border-color: rgba(var(--rp-primary-rgb), 0.4);
  background-color: var(--rp-bg-elevated);
  transform: translateY(-4px);
}

.rp-simple-card:hover::before {
  opacity: 1;
}

/* Title */
.rp-simple-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--rp-text-primary);
  margin-block: 0 1rem 0;
  line-height: 1.4;
}

/* Details */
.rp-simple-card__details {
  display: flex;
  flex-direction: column;
}

.rp-simple-card__detail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 0.6rem;
  border-block-end: 1px solid var(--rp-border);
}

.rp-simple-card__detail:last-child {
  border-block-end: none;
  padding-block-end: 0;
}

.rp-simple-card__label {
  font-size: 0.85rem;
  color: var(--rp-text-muted);
  font-weight: 500;
}

.rp-simple-card__value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--rp-text-primary);
  direction: ltr;
  text-align: end;
}

/* ═══════════════════════════════════════════
   EMPTY STATE
═══════════════════════════════════════════ */
.rp-products-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding-block: 4rem;
  text-align: center;
}

.rp-products-empty i {
  font-size: 3rem;
  color: var(--rp-text-muted);
  opacity: 0.5;
}

.rp-products-empty p {
  font-size: 1.1rem;
  color: var(--rp-text-secondary);
  margin-block: 0;
}

/* ═══════════════════════════════════════════
   RESPONSIVE: SIMPLE LIST
═══════════════════════════════════════════ */
@media (max-width: 992px) {
  .rp-simple-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}

@media (max-width: 768px) {
  .rp-simple-card {
    padding: 1.25rem;
  }

  .rp-simple-card__title {
    font-size: 1.05rem;
  }
}

@media (max-width: 576px) {
  .rp-simple-list {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .rp-simple-card {
    padding: 1.15rem;
  }

  .rp-simple-card__title {
    font-size: 1rem;
    margin-block: 0 0.75rem 0;
  }

  .rp-simple-card__detail {
    padding-block: 0.5rem;
  }

  .rp-simple-card__label {
    font-size: 0.82rem;
  }

  .rp-simple-card__value {
    font-size: 0.9rem;
  }
}

/* ═══════════════════════════════════════════
   GROUP SELECTOR CARDS (Step 3)
═══════════════════════════════════════════ */
.rp-products-step__grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.rp-group-card {
  position: relative;
  background-color: var(--rp-bg-card);
  border: 1px solid var(--rp-border);
  border-radius: 0.85rem;
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  text-align: center;
  cursor: pointer;
  overflow: hidden;
  transition: border-color var(--rp-transition-base),
    background-color var(--rp-transition-base),
    transform var(--rp-transition-base);
}

.rp-group-card::before {
  content: '';
  position: absolute;
  inset-inline: 0;
  inset-block-start: 0;
  block-size: 3px;
  background: linear-gradient(90deg, var(--rp-primary), var(--rp-accent));
  opacity: 0.5;
  transition: opacity var(--rp-transition-base);
}

.rp-group-card:hover,
.rp-group-card:focus-visible {
  border-color: rgba(var(--rp-primary-rgb), 0.5);
  background-color: var(--rp-bg-elevated);
  transform: translateY(-4px);
  outline: none;
}

.rp-group-card:hover::before {
  opacity: 1;
}

.rp-group-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: 3.5rem;
  block-size: 3.5rem;
  background-color: rgba(var(--rp-primary-rgb), 0.1);
  border: 1px solid rgba(var(--rp-primary-rgb), 0.2);
  border-radius: 0.75rem;
  font-size: 1.5rem;
  color: var(--rp-primary);
  transition: all var(--rp-transition-base);
}

.rp-group-card:hover .rp-group-card__icon {
  background: linear-gradient(135deg, var(--rp-primary), var(--rp-accent));
  color: #fff;
  transform: scale(1.05);
}

.rp-group-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--rp-text-primary);
  margin-block: 0;
}

.rp-group-card__meta {
  font-size: 0.85rem;
  color: var(--rp-text-muted);
}

.rp-group-card__arrow {
  color: var(--rp-text-muted);
  transition: all var(--rp-transition-fast);
}

.rp-group-card:hover .rp-group-card__arrow {
  color: var(--rp-primary);
  transform: translateX(-3px);
}

/* ═══════════════════════════════════════════
   GRID TABLE (Step 4)
   Desktop & Mobile: Grid-based table
═══════════════════════════════════════════ */
.rp-grid-table {
  max-inline-size: 56rem;
  margin-inline: auto;
  background-color: var(--rp-bg-card);
  border: 1px solid var(--rp-border);
  border-radius: 0.85rem;
  /* overflow: hidden; */
}

/* Header Row - Sticky */
.rp-grid-table__header {
  display: grid;
  grid-template-columns: repeat(var(--col-count), 1fr);
  background: linear-gradient(135deg,
      rgba(var(--rp-primary-rgb), 0.14),
      rgba(var(--rp-accent-rgb), 0.1));
  border-block-end: 2px solid rgba(var(--rp-primary-rgb), 0.3);

  /* ✨ Sticky Magic */
  position: sticky;
  inset-block-start: var(--rp-navbar-height);
  z-index: 10;

  /* Backdrop blur for better readability */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);

  /* Rounded top corners */
  border-start-start-radius: 0.85rem;
  border-start-end-radius: 0.85rem;

  /* Shadow when stuck (optional - needs JS or scroll-timeline) */
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Light theme: stronger background for readability */
[data-theme="light"] .rp-grid-table__header {
  background: linear-gradient(135deg,
      rgba(var(--rp-primary-rgb), 0.12),
      rgba(var(--rp-accent-rgb), 0.08));
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* ─── Header Cells ─── */
.rp-grid-table__cell--head {
  font-weight: 700;
  color: var(--rp-primary);
  font-size: 0.9rem;
  padding-block: 1rem;
  padding-inline: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

.rp-grid-table__unit {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--rp-text-muted);
}

/* Data Rows */
.rp-grid-table__row {
  display: grid;
  grid-template-columns: repeat(var(--col-count), 1fr);
  border-block-end: 1px solid var(--rp-border);
  transition: background-color var(--rp-transition-fast);
}

.rp-grid-table__row:last-child {
  border-block-end: none;
  border-end-start-radius: 0.85rem;
  border-end-end-radius: 0.85rem;
}

.rp-grid-table__row:hover {
  background-color: rgba(var(--rp-primary-rgb), 0.04);
}

/* Zebra striping for readability */
.rp-grid-table__row:nth-child(even) {
  background-color: rgba(var(--rp-primary-rgb), 0.02);
}

.rp-grid-table__row:nth-child(even):hover {
  background-color: rgba(var(--rp-primary-rgb), 0.05);
}

/* Cells */
.rp-grid-table__cell {
  padding-block: 0.85rem;
  padding-inline: 1.25rem;
  font-size: 0.95rem;
  color: var(--rp-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

/* ═══════════════════════════════════════════
   RESPONSIVE: GRID TABLE & GROUP CARDS
═══════════════════════════════════════════ */
@media (max-width: 992px) {
  .rp-products-step__grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .rp-grid-table__header {
    inset-block-start: 4.5rem;
  }

  .rp-grid-table__cell--head {
    font-size: 0.82rem;
    padding-block: 0.85rem;
    padding-inline: 0.85rem;
  }

  .rp-grid-table__cell {
    padding-block: 0.75rem;
    padding-inline: 0.85rem;
    font-size: 0.9rem;
  }

  .rp-group-card {
    padding: 1.75rem 1.25rem;
  }
}

@media (max-width: 576px) {
  .rp-products-step__grid--2 {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .rp-group-card {
    flex-direction: row;
    text-align: start;
    justify-content: flex-start;
    padding: 1.25rem;
    gap: 1rem;
  }

  .rp-group-card__title {
    flex: 1;
  }

  .rp-grid-table {
    border-radius: 0.65rem;
  }

  .rp-grid-table__cell--head {
    font-size: 0.78rem;
    padding-block: 0.75rem;
    padding-inline: 0.6rem;
    flex-direction: column;
    gap: 0.15rem;
  }

  .rp-grid-table__unit {
    font-size: 0.7rem;
  }

  .rp-grid-table__cell {
    padding-block: 0.7rem;
    padding-inline: 0.6rem;
    font-size: 0.85rem;
  }
}

/* ═══════════════════════════════════════════
   MATRIX TABLE - DESKTOP (> 1280px)
   Sticky Header + Aligned Columns
═══════════════════════════════════════════ */

/* ─── Container ─── */
.rp-matrix-container {
  display: block;
  border: 1px solid var(--rp-border);
  border-radius: 0.85rem;
  background-color: var(--rp-bg-card);
  /* overflow: hidden; */
  max-inline-size: 100%;
}

/* ─── Hidden Accordion on Desktop ─── */
.rp-matrix-accordion {
  display: none;
}

/* ─── Shared Grid Template ─── */
.rp-matrix-table__header,
.rp-matrix-table__row {
  display: grid;
  grid-template-columns: var(--rp-matrix-grid);
  min-inline-size: max-content;
}

/* ─── Header Wrapper (Sticky) ─── */
.rp-matrix-header-scroll {
  position: sticky;
  inset-block-start: var(--rp-navbar-height, 5.5rem);
  z-index: 20;
  overflow: hidden;
  border-start-start-radius: 0.85rem;
  border-start-end-radius: 0.85rem;
  background: linear-gradient(135deg,
      rgba(var(--rp-primary-rgb), 0.14),
      rgba(var(--rp-accent-rgb), 0.1));
  border-block-end: 2px solid rgba(var(--rp-primary-rgb), 0.3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* ─── Body Wrapper (Scrollable) ─── */
.rp-matrix-body-scroll {
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--rp-primary) var(--rp-bg-elevated);
}

.rp-matrix-body-scroll::-webkit-scrollbar {
  height: 8px;
}

.rp-matrix-body-scroll::-webkit-scrollbar-track {
  background: var(--rp-bg-elevated);
  border-radius: 4px;
}

.rp-matrix-body-scroll::-webkit-scrollbar-thumb {
  background: var(--rp-primary);
  border-radius: 4px;
}

/* ─── Header Cells ─── */
.rp-matrix-table__cell--head {
  font-weight: 700;
  color: var(--rp-primary);
  font-size: 0.82rem;
  padding-block: 1rem;
  padding-inline: 0.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  white-space: nowrap;
}

.rp-matrix-table__cell--head:first-child {
  border-start-start-radius: 0.85rem;
}

.rp-matrix-table__cell--head:last-child {
  border-start-end-radius: 0.85rem;
}

.rp-matrix-table__unit {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--rp-text-muted);
  margin-inline-start: 2px;
}

/* ─── Data Rows ─── */
.rp-matrix-table__row {
  border-block-end: 1px solid var(--rp-border);
  transition: background-color var(--rp-transition-fast);
}

.rp-matrix-table__row:last-child {
  border-block-end: none;
}

.rp-matrix-table__row:hover {
  background-color: rgba(var(--rp-primary-rgb), 0.04);
}

.rp-matrix-table__row:nth-child(even) {
  background-color: rgba(var(--rp-primary-rgb), 0.02);
}

.rp-matrix-table__row:nth-child(even):hover {
  background-color: rgba(var(--rp-primary-rgb), 0.05);
}

/* ─── Cells ─── */
.rp-matrix-table__cell {
  padding-block: 0.75rem;
  padding-inline: 0.6rem;
  font-size: 0.88rem;
  color: var(--rp-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  white-space: nowrap;
}

/* ─── Empty Cells ─── */
.rp-matrix-table__cell--empty {
  color: var(--rp-text-muted);
  opacity: 0.5;
}

/* ─── Size Column ─── */
.rp-matrix-table__cell--size {
  font-weight: 700;
  color: var(--rp-primary);
}

/* ─── Sticky Columns ─── */
.rp-matrix-table__cell--sticky-1 {
  direction: ltr;
  position: sticky;
  inset-inline-start: 0;
  z-index: 10;
  background-color: var(--rp-bg-card);
  border-inline-end: 1px solid var(--rp-border);
}

.rp-matrix-table__cell--sticky-2 {
  position: sticky;
  inset-inline-start: 70px;
  z-index: 10;
  background-color: var(--rp-bg-card);
  border-inline-end: 1px solid var(--rp-border);
}

/* Sticky cells in header */
.rp-matrix-table__header .rp-matrix-table__cell--sticky-1,
.rp-matrix-table__header .rp-matrix-table__cell--sticky-2 {
  z-index: 25;
  background: linear-gradient(135deg,
      rgba(var(--rp-primary-rgb), 0.14),
      rgba(var(--rp-accent-rgb), 0.1));
}

/* Sticky cells in hovered rows */
.rp-matrix-table__row:hover .rp-matrix-table__cell--sticky-1,
.rp-matrix-table__row:hover .rp-matrix-table__cell--sticky-2 {
  background-color: var(--rp-bg-elevated);
}

/* ═══════════════════════════════════════════
   BREAKPOINT: 1280px
   Below 1280px → Accordion Only
   Above 1280px → Table Only
═══════════════════════════════════════════ */
@media (max-width: 1280px) {
  .rp-matrix-container {
    display: none !important;
  }

  .rp-matrix-accordion {
    display: block !important;
  }
}

/* ═══════════════════════════════════════════
   MATRIX ACCORDION - MOBILE (≤ 1280px)
═══════════════════════════════════════════ */

.rp-matrix-accordion__list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-inline-size: 100%;
}

.rp-matrix-accordion__item {
  background-color: var(--rp-bg-card);
  border: 1px solid var(--rp-border);
  border-radius: 0.75rem;
  overflow: hidden;
  transition: border-color var(--rp-transition-base),
    background-color var(--rp-transition-base);
}

.rp-matrix-accordion__item:hover {
  border-color: rgba(var(--rp-primary-rgb), 0.3);
}

.rp-matrix-accordion__item.is-expanded {
  border-color: rgba(var(--rp-primary-rgb), 0.5);
  background-color: var(--rp-bg-elevated);
}

.rp-matrix-accordion__trigger {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 1rem 1.25rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: background-color var(--rp-transition-fast);
}

.rp-matrix-accordion__trigger:hover {
  background-color: rgba(var(--rp-primary-rgb), 0.03);
}

.rp-matrix-accordion__trigger-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  flex: 1;
}

.rp-matrix-accordion__size {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--rp-text-primary);
}

.rp-matrix-accordion__od {
  font-size: 0.85rem;
  color: var(--rp-text-muted);
}

.rp-matrix-accordion__grade {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--rp-accent);
  background-color: rgba(var(--rp-accent-rgb), 0.1);
  border: 1px solid rgba(var(--rp-accent-rgb), 0.3);
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
}

.rp-matrix-accordion__chevron {
  font-size: 1rem;
  color: var(--rp-text-muted);
  transition: transform var(--rp-transition-base);
}

.rp-matrix-accordion__item.is-expanded .rp-matrix-accordion__chevron {
  transform: rotate(180deg);
  color: var(--rp-primary);
}

.rp-matrix-accordion__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.rp-matrix-accordion__item.is-expanded .rp-matrix-accordion__body {
  max-height: 600px;
}

.rp-matrix-accordion__details {
  padding: 0.75rem 1.25rem 1.25rem;
  border-block-start: 1px solid var(--rp-border);
}

.rp-matrix-accordion__detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 0.6rem;
  border-block-end: 1px solid var(--rp-border);
}

.rp-matrix-accordion__detail-row:last-child {
  border-block-end: none;
}

.rp-matrix-accordion__detail-row--header {
  font-weight: 700;
  color: var(--rp-primary);
  font-size: 0.85rem;
  border-block-end: 2px solid rgba(var(--rp-primary-rgb), 0.3);
  padding-block: 0.5rem;
}

.rp-matrix-accordion__schedule-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--rp-text-secondary);
}

.rp-matrix-accordion__schedule-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--rp-text-primary);
  direction: ltr;
}

/* ═══════════════════════════════════════════
   MATRIX NOTES BOX
   Used in pipe-dimensions renderer
═══════════════════════════════════════════ */
.rp-matrix-notes {
  margin-block-start: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-inline-size: 100%;
}

.rp-matrix-notes__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--rp-accent);
  margin-block: 0 0.5rem 0;
}

.rp-matrix-notes__title i {
  font-size: 1.25rem;
}

.rp-matrix-notes__item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background-color: rgba(var(--rp-accent-rgb), 0.08);
  border: 1px solid rgba(var(--rp-accent-rgb), 0.25);
  border-inline-start: 3px solid var(--rp-accent);
  border-radius: 0.6rem;
  color: var(--rp-text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  transition: border-color var(--rp-transition-base),
    background-color var(--rp-transition-base);
}

.rp-matrix-notes__item:hover {
  border-color: rgba(var(--rp-accent-rgb), 0.4);
  background-color: rgba(var(--rp-accent-rgb), 0.12);
}

.rp-matrix-notes__item i {
  color: var(--rp-accent);
  font-size: 1.1rem;
  margin-block-start: 0.15rem;
  flex-shrink: 0;
}

/* Light theme adjustment */
[data-theme="light"] .rp-matrix-notes__item {
  background-color: rgba(var(--rp-accent-rgb), 0.06);
}