:root {
  --front-bg: #08060d;
  --front-bg-2: #0e0a18;
  --front-surface: #14101f;
  --front-surface-2: #1a1428;
  --front-text: #e9e4f5;
  --front-muted: #9089ac;
  --front-border: #2a2440;
  --front-border-soft: #201b32;
  --front-accent: #9b5de5;
  --front-accent-hover: #b184eb;
  --front-accent-soft: rgba(155, 93, 229, 0.14);
  --front-accent-glow: 0 0 22px rgba(155, 93, 229, 0.35);
  --front-danger: #e0455c;
  --front-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
  --front-shadow-md: 0 12px 32px rgba(0, 0, 0, 0.55);
  --front-radius: 12px;
}

/* กันพื้นหลังขาวโผล่ตอน overscroll/rubber-band ใน Safari (Chrome ไม่โชว้พื้นที่นอก body เลยดูต่างกัน) */
html {
  background: var(--front-bg);
}

/* Base — haunted backdrop: drifting fog, film grain, vignette, a slow dying-torch flicker */
body.frontend {
  position: relative;
  font-family: "Noto Sans Thai", sans-serif;
  color: var(--front-text);
  background:
    radial-gradient(1px 1px at 20% 30%, rgba(233, 228, 245, 0.35), transparent),
    radial-gradient(1px 1px at 70% 65%, rgba(233, 228, 245, 0.25), transparent),
    radial-gradient(1px 1px at 40% 80%, rgba(233, 228, 245, 0.2), transparent),
    radial-gradient(900px 520px at 15% -10%, rgba(120, 60, 160, 0.16), transparent 60%),
    radial-gradient(760px 560px at 105% 10%, rgba(60, 20, 90, 0.16), transparent 55%),
    radial-gradient(1000px 700px at 50% 115%, rgba(20, 10, 30, 0.55), transparent 60%),
    linear-gradient(180deg, var(--front-bg) 0%, #05040a 55%, #030209 100%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
}

/* fog — two slow-drifting translucent layers */
body.frontend::before {
  content: "";
  position: fixed;
  inset: -10%;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(50% 35% at 20% 20%, rgba(90, 60, 130, 0.14), transparent 70%),
    radial-gradient(45% 30% at 80% 75%, rgba(40, 20, 60, 0.16), transparent 70%);
  filter: blur(30px);
  animation: front-fog-drift 34s ease-in-out infinite alternate;
}

/* grain + vignette — sits above the fog, below the content */
body.frontend::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 50% 45%, transparent 45%, rgba(0, 0, 0, 0.55) 100%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: auto, 120px 120px;
  opacity: 0.9;
  mix-blend-mode: overlay;
  animation: front-flicker 6s steps(2, jump-none) infinite;
}

body.frontend > header,
body.frontend > main,
body.frontend > footer {
  position: relative;
  z-index: 1;
}

@keyframes front-fog-drift {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(-3%, 2%, 0) scale(1.06); }
}

@keyframes front-flicker {
  0%, 92%, 100% { opacity: 0.85; }
  93% { opacity: 0.55; }
  95% { opacity: 0.9; }
  96% { opacity: 0.5; }
  97% { opacity: 0.85; }
}

@media (prefers-reduced-motion: reduce) {
  body.frontend::before,
  body.frontend::after {
    animation: none;
  }
}

.frontend a {
  color: var(--front-accent-hover);
}

.frontend hr {
  border: none;
  border-top: 1px solid var(--front-border);
  margin: 1.5rem 0;
}

.frontend h1,
.frontend h2,
.frontend .h2 {
  font-family: "Chakra Petch", sans-serif;
  font-weight: 700;
}

.frontend .h2 {
  font-size: 1.6rem;
}

.frontend .h5 {
  font-size: 1.1rem;
}

.frontend figure {
  margin: 0 0 1rem;
}

.frontend .img-fluid {
  max-width: 100%;
  height: auto;
  border-radius: var(--front-radius);
  border: 1px solid var(--front-border);
}

.frontend .text-muted {
  color: var(--front-muted) !important;
}

.frontend .text-dark {
  color: var(--front-text) !important;
}

.frontend .small {
  font-size: 0.85rem;
}

.frontend .text-end {
  text-align: end;
}

.frontend-main {
  max-width: 1220px;
}

/* Minimal grid — no bootstrap.css is loaded on the frontend, so these
   utility class names (row/col-*/g-*/gy-*) need their own rules here. */
.frontend .container,
.frontend .container-fluid {
  width: 100%;
  margin-inline: auto;
  padding-inline: 0.75rem;
}

.frontend .row {
  display: flex;
  flex-wrap: wrap;
  margin-inline: -0.75rem;
}

.frontend .row > * {
  padding-inline: 0.75rem;
  width: 100%;
}

.frontend .row.g-4,
.frontend .row.gy-3 {
  row-gap: 1.5rem;
}

.frontend .col-12 { width: 100%; }
.frontend .col-6 { width: 50%; }

@media (min-width: 768px) {
  .frontend .col-md-3 { width: 25%; }
  .frontend .col-md-4 { width: 33.3333%; }
  .frontend .col-md-6 { width: 50%; }
}

.frontend .d-flex { display: flex; }
.frontend .flex-wrap { flex-wrap: wrap; }
.frontend .flex-column { flex-direction: column; }
.frontend .align-items-center { align-items: center; }
.frontend .align-items-start { align-items: flex-start; }
.frontend .justify-content-between { justify-content: space-between; }
.frontend .justify-content-center { justify-content: center; }
.frontend .gap-2 { gap: 0.5rem; }
.frontend .gap-3 { gap: 1rem; }
.frontend .mb-0 { margin-bottom: 0; }
.frontend .mb-3 { margin-bottom: 1rem; }
.frontend .mb-4 { margin-bottom: 1.5rem; }
.frontend .mt-2 { margin-top: 0.5rem; }
.frontend .mt-4 { margin-top: 1.5rem; }
.frontend .pt-2 { padding-top: 0.5rem; }
.frontend .pt-4 { padding-top: 1.5rem; }

.frontend .border-top {
  border-top: 1px solid var(--front-border);
}

/* Navbar — sticky, dark, faint arcane glow on scroll */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(10, 8, 16, 0.86) !important;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--front-border);
}

.site-nav .brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--front-accent), #4c1d95);
  color: #fff;
  font-size: 0.95rem;
  box-shadow: var(--front-accent-glow);
}

.site-nav .brand-text {
  font-family: "Chakra Petch", sans-serif;
  font-weight: 600;
  letter-spacing: 0.4px;
  color: var(--front-text);
  text-shadow: 0 0 18px rgba(155, 93, 229, 0.35);
}

.site-nav .nav-link {
  color: var(--front-text) !important;
  font-weight: 600;
  padding: 0.45rem 0.9rem !important;
  border-radius: 999px;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.site-nav .nav-link:hover {
  background: var(--front-accent-soft);
  color: var(--front-accent-hover) !important;
}

.site-nav .nav-link.active {
  background: var(--front-accent);
  color: #fff !important;
}

.site-nav .nav-search .form-control {
  min-width: 240px;
  border-radius: 999px;
  border: 1px solid var(--front-border);
  background: var(--front-surface);
  color: var(--front-text);
}

.site-nav .nav-search .form-control::placeholder {
  color: var(--front-muted);
}

.site-nav .nav-search .form-control:focus {
  outline: none;
  border-color: var(--front-accent);
  box-shadow: 0 0 0 3px var(--front-accent-soft);
}

.site-nav .btn {
  border-radius: 999px;
  font-weight: 600;
  background: var(--front-accent);
  border: 0;
}

.site-nav .btn:hover {
  background: var(--front-accent-hover);
  box-shadow: var(--front-accent-glow);
}

/* Hero */
.front-hero {
  border: 1px solid var(--front-border);
  border-radius: var(--front-radius);
  background: linear-gradient(160deg, var(--front-surface), var(--front-bg-2));
  padding: 1.5rem 1.6rem;
  box-shadow: var(--front-shadow-sm);
}

.front-hero__eyebrow {
  font-family: "Chakra Petch", sans-serif;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--front-accent-hover);
  margin-bottom: 0.35rem;
}

.front-hero h1 {
  font-family: "Chakra Petch", sans-serif;
  font-weight: 700;
  font-size: clamp(1.45rem, 3.2vw, 2.5rem);
  margin-bottom: 0.35rem;
  text-shadow: 0 0 24px rgba(155, 93, 229, 0.25);
}

.front-hero p {
  color: var(--front-muted);
  margin-bottom: 0;
}

/* Cards */
.frontend .card {
  background: var(--front-surface);
  border: 1px solid var(--front-border);
  border-radius: var(--front-radius);
  box-shadow: var(--front-shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
  color: var(--front-text);
}

.frontend .card:hover {
  box-shadow: var(--front-shadow-md), var(--front-accent-glow);
  border-color: rgba(155, 93, 229, 0.45);
  transform: translateY(-2px);
}

.frontend .card-body {
  padding: 1rem 1.1rem;
}

.frontend .card-header {
  border-bottom: 1px solid var(--front-border);
  background: var(--front-surface);
}

.frontend .card-title a,
.frontend .card-title {
  color: var(--front-text);
  text-decoration: none;
}

.frontend .card-title a:hover {
  color: var(--front-accent-hover);
}

.frontend .card-title {
  padding: 0.35rem 0;
  margin-bottom: 0.4rem;
  font-size: 1.1rem;
}

.frontend .card-text {
  color: var(--front-muted);
}

.product-image {
  max-height: 500px;
  width: auto;
  display: flex;
  justify-content: center;
}

.frontend .card-img-top {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  margin: 0 auto;
}

.frontend .card-footer {
  background: var(--front-surface) !important;
  border-top: 1px solid var(--front-border);
  padding: 0.75rem 1.1rem;
}

/* Badges */
.frontend .badge {
  display: inline-block;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.frontend .badge.bg-light {
  background: var(--front-surface-2) !important;
  color: var(--front-accent-hover) !important;
  border: 1px solid var(--front-border);
}

/* Buttons */
.frontend .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 8px;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.frontend .btn-sm {
  padding: 0.32rem 0.7rem;
  font-size: 0.85rem;
}

.frontend .btn-label {
  display: none;
}

.frontend .btn-primary {
  border-color: transparent;
  background: var(--front-accent);
  color: #fff;
}

.frontend .btn-primary:hover {
  background: var(--front-accent-hover);
  box-shadow: var(--front-accent-glow);
}

.frontend .btn-secondary {
  background: var(--front-surface-2);
  border-color: var(--front-border);
  color: var(--front-text);
}

.frontend .btn-secondary:hover {
  border-color: var(--front-accent);
  color: var(--front-accent-hover);
}

.frontend .btn-outline-primary {
  color: var(--front-accent-hover);
  border-color: var(--front-accent);
  background: transparent;
}

.frontend .btn-outline-primary:hover {
  color: #fff;
  background: var(--front-accent);
}

.frontend .btn-outline-secondary {
  color: var(--front-muted);
  border-color: var(--front-border);
  background: transparent;
}

.frontend .btn-outline-secondary:hover,
.frontend .btn-outline-secondary.active {
  color: var(--front-text);
  background: var(--front-surface-2);
  border-color: var(--front-accent);
}

.frontend .btn-outline-danger {
  color: var(--front-danger);
  border-color: rgba(224, 69, 92, 0.5);
  background: transparent;
}

.frontend .btn-outline-danger:hover,
.frontend .btn-outline-danger.active {
  color: #fff;
  background: var(--front-danger);
  border-color: var(--front-danger);
}

.frontend .btn-outline-warning {
  color: var(--front-accent-hover);
  border-color: rgba(155, 93, 229, 0.4);
  background: var(--front-accent-soft);
}

.frontend .btn-outline-warning:hover {
  color: #fff;
  background: var(--front-accent);
  border-color: var(--front-accent);
}

.frontend .btn-group {
  display: inline-flex;
}

.frontend .btn-group .btn {
  border-radius: 0;
  margin-left: -1px;
}

.frontend .btn-group .btn:first-child {
  border-top-left-radius: 8px;
  border-bottom-left-radius: 8px;
  margin-left: 0;
}

.frontend .btn-group .btn:last-child {
  border-top-right-radius: 8px;
  border-bottom-right-radius: 8px;
}

/* Alerts */
.frontend .alert {
  border-radius: var(--front-radius);
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--front-border);
}

.frontend .alert-info {
  background: var(--front-accent-soft);
  border-color: rgba(155, 93, 229, 0.35);
  color: var(--front-accent-hover);
}

/* Breadcrumb */
.frontend .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
  color: var(--front-muted);
}

.frontend .breadcrumb-item {
  display: flex;
  align-items: center;
}

.frontend .breadcrumb-item + .breadcrumb-item::before {
  content: "›";
  margin: 0 0.5rem;
  color: var(--front-border);
}

.frontend .breadcrumb-item a {
  color: var(--front-muted);
  text-decoration: none;
}

.frontend .breadcrumb-item a:hover {
  color: var(--front-accent-hover);
}

.frontend .breadcrumb-item.active {
  color: var(--front-text);
}

/* Footer — pitch black, faint ritual glow line, its own grain.
   Uses .xfile-footer (not the bare .footer class) so it never has to
   fight the legacy body.frontend .footer #f8f9fa rule in app.css. */
.xfile-footer {
  position: relative;
  margin-top: 3rem;
  background: #000;
  border-top: 1px solid rgba(155, 93, 229, 0.22);
  box-shadow: 0 -1px 24px rgba(155, 93, 229, 0.08);
  overflow: hidden;
}

.xfile-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(155, 93, 229, 0.6), transparent);
  filter: blur(1px);
}

.xfile-footer::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(60% 140% at 50% 0%, rgba(60, 30, 90, 0.14), transparent 70%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: auto, 120px 120px;
  opacity: 0.5;
  mix-blend-mode: overlay;
}

.footer-divider {
  display: none;
}

.site-footer {
  position: relative;
  z-index: 1;
  padding: 1.5rem 1.1rem;
  color: var(--front-muted);
}

.footer-links a {
  text-decoration: none;
  color: var(--front-muted);
}

.footer-links a:hover {
  color: var(--front-accent-hover);
}

/* Grid/List view toggle — ใช้ร่วมกันทั้งหน้าแรก, หน้าข่าวสาร, หน้าสินค้าแนะนำ */
.view-toggle.view-list .view-toggle-item {
  flex: 0 0 100%;
  max-width: 100%;
}

.view-toggle.view-list .view-toggle-item .card {
  display: grid;
  grid-template-columns: 220px 1fr;
  grid-template-rows: auto 1fr;
}

.view-toggle.view-list .view-toggle-item .view-toggle-item__image {
  grid-column: 1;
  grid-row: 1 / -1;
  height: 100%;
}

.view-toggle.view-list .view-toggle-item .view-toggle-item__image img {
  height: 100%;
  object-fit: cover;
}

.view-toggle.view-list .view-toggle-item .card-body {
  grid-column: 2;
  grid-row: 1;
}

.view-toggle.view-list .view-toggle-item .card-footer {
  grid-column: 2;
  grid-row: 2;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.view-toggle.view-list .view-toggle-item .card-footer .btn {
  flex: 0 0 auto;
  padding-left: 0.85rem;
  padding-right: 0.85rem;
}

.view-toggle.view-list .view-toggle-item .btn-label {
  display: inline;
}

@media (max-width: 576px) {
  .view-toggle.view-list .view-toggle-item .card {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }

  .view-toggle.view-list .view-toggle-item .view-toggle-item__image {
    grid-column: 1;
    grid-row: 1;
    max-width: 100%;
  }

  .view-toggle.view-list .view-toggle-item .card-body {
    grid-row: 2;
  }

  .view-toggle.view-list .view-toggle-item .card-footer {
    grid-row: 3;
  }
}

#ppda-popup {
  border-top: 1px solid var(--front-border);
  background: rgba(10, 8, 16, 0.95) !important;
  color: var(--front-text);
  backdrop-filter: blur(8px);
}

#ppda-popup a {
  color: var(--front-accent-hover) !important;
}

#ppda-popup .btn-primary {
  background: var(--front-accent);
  border: 0;
  border-radius: 8px;
}

/* Pagination */
.pagination {
  display: flex;
  list-style: none;
  padding: 0;
  gap: 0.25rem;
}

.pagination .page-link {
  border: 1px solid var(--front-border);
  border-radius: 8px;
  color: var(--front-text);
  background: var(--front-surface);
  padding: 0.4rem 0.75rem;
  display: inline-block;
  text-decoration: none;
}

.pagination .active .page-link,
.pagination .page-link:hover {
  color: #fff;
  background: var(--front-accent);
  border-color: var(--front-accent);
}

.pagination .disabled .page-link {
  color: var(--front-muted);
  opacity: 0.5;
  pointer-events: none;
}

/* Skip link — accessibility, kicks in on keyboard focus */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 2000;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  background: var(--front-accent);
  color: #fff;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

@media (max-width: 991.98px) {
  .site-nav .nav-search {
    width: 100%;
    margin-top: 0.8rem;
  }

  .site-nav .nav-search .form-control {
    min-width: 0;
    width: 100%;
  }
}

@media (max-width: 767.98px) {
  .frontend-main {
    padding-top: 1.2rem !important;
  }

  .front-hero {
    padding: 1.1rem;
  }

  .site-footer {
    padding: 0.9rem;
  }

  .frontend .card-title {
    font-size: 0.85rem;
  }

  .frontend .card-footer {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.45rem;
  }

  .frontend .card-footer a:last-child {
    grid-column: span 2;
  }
}