/* ==========================================================================
   Customer Photo Gallery — Token-Bridged, Polished Flip Cards + Filters + Lightbox
   Targets markup from CPG_Gallery_Shortcodes::render_filters/render_card/render_lightbox_shell
   ========================================================================== */

/* --------------------------------------------------------------------------
   0) Token bridge + local design system
   -------------------------------------------------------------------------- */
:where(#cpg-gallery-filters.cpg-filters,
       #cpg-gallery-results.cpg-gallery-grid,
       .cpg-lightbox-overlay,
       .cpg-dimmer) {

  /* Brand / accent colors (read from your global tokens if present) */
  --brand-1: var(--ctl-c1, #ec8639);
  --brand-2: var(--ctl-c2, #ffb86c);
  --brand-3: var(--ctl-c3, #f97316);

  /* Foreground */
  --fg:      var(--text-high, #f5f5f5);
  --fg-mid:  var(--text-mid, #dddddd);
  --fg-low:  var(--text-low, #aaaaaa);

  /* Surfaces */
  --bg-1:    var(--surface-1, #0c0c0f);
  --bg-2:    var(--surface-2, #16161c);
  --bg-3:    var(--surface-3, #1e1e26);

  /* Borders / focus */
  --bd:      var(--border, #30303d);
  --ring:    var(--focus-ring, color-mix(in oklch, var(--brand-1) 55%, transparent));

  /* Radii & shadows */
  --radius-lg:  var(--radius-lg, 24px);
  --radius-md:  var(--radius, 18px);
  --radius-sm:  var(--radius-sm, 10px);

  --drop-xs:    0 2px 10px rgba(0,0,0,.35);
  --drop-sm:    0 6px 18px rgba(0,0,0,.55);
  --drop-md:    0 14px 34px rgba(0,0,0,.78);
  --drop-lg:    0 20px 70px rgba(0,0,0,.70);

  /* Gallery-local aliases */
  --cpg-bg:          var(--bg-1);
  --cpg-card:        var(--bg-2);
  --cpg-card-soft:   var(--bg-3);
  --cpg-txt:         var(--fg);
  --cpg-sub:         var(--fg-low);
  --cpg-accent:      var(--brand-1);

  --cpg-accent-soft: color-mix(in oklch, var(--brand-1) 18%, transparent);
  --cpg-border:      var(--bd);
  --cpg-border-soft: color-mix(in oklch, var(--bd) 58%, transparent);

  --cpg-glass:       color-mix(in oklch, var(--bg-2) 70%, transparent);
  --cpg-glass-bd:    color-mix(in oklch, var(--bd) 82%, transparent);

  /* Typography */
  color-scheme: dark;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.23, 1, 0.32, 1);
  --dur-fast: 140ms;
  --dur: 220ms;
  --dur-slow: 700ms;
}

/* Safety: avoid anchors inheriting odd theme styles */
#cpg-gallery-results a { color: inherit; }

/* --------------------------------------------------------------------------
   1) FILTERS FORM
   -------------------------------------------------------------------------- */
#cpg-gallery-filters.cpg-filters {
  background:
    radial-gradient(160% 140% at 0% 0%,
      color-mix(in oklch, var(--brand-1) 14%, transparent) 0%,
      transparent 45%
    ),
    radial-gradient(160% 140% at 100% 100%,
      color-mix(in oklch, var(--brand-2) 16%, transparent) 0%,
      transparent 55%
    ),
    linear-gradient(135deg,
      color-mix(in oklch, var(--bg-2) 88%, transparent),
      color-mix(in oklch, var(--bg-1) 96%, transparent)
    );
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  margin: 2rem auto 1.5rem;
  max-width: 1100px;
  box-shadow: var(--drop-md);
  border: 1px solid color-mix(in oklch, var(--bd) 80%, transparent);

  display: grid;
  grid-template-columns: minmax(180px, 240px) minmax(180px, 1fr) minmax(180px, 1fr) auto auto auto;
  grid-auto-rows: auto;
  grid-gap: 0.75rem 1rem;
  align-items: end;
}

/* Category select wrapper */
#cpg-gallery-filters .cpg-select {
  grid-column: 1 / 2;
}

/* Inputs */
#filter-product,
#filter-author,
#filter-product-cat {
  width: 100%;
  box-sizing: border-box;
  padding: 0.65rem 0.75rem;
  background: color-mix(in oklch, var(--bg-2) 92%, black 8%);
  border-radius: var(--radius-sm);
  border: 1px solid color-mix(in oklch, var(--bd) 90%, transparent);
  color: var(--fg);
  font-size: 0.95rem;
  transition: border-color var(--dur) ease, box-shadow var(--dur) ease, background var(--dur) ease, transform var(--dur) ease;
}

#filter-product::placeholder,
#filter-author::placeholder { color: color-mix(in oklch, var(--fg-low) 92%, transparent); }

/* Field wrappers for grid placement */
.cpg-field--product { grid-column: 2 / 3; }
.cpg-field--author  { grid-column: 3 / 4; }

/* Common wrapper */
.cpg-field { position: relative; }

/* Focus ring */
#filter-product:focus,
#filter-author:focus,
#filter-product-cat:focus {
  outline: none;
  border-color: color-mix(in oklch, var(--cpg-accent) 70%, var(--bd));
  background: color-mix(in oklch, var(--bg-2) 96%, black 4%);
  box-shadow:
    0 0 0 1px color-mix(in oklch, var(--cpg-accent) 45%, transparent),
    0 0 0 5px color-mix(in oklch, var(--cpg-accent) 16%, transparent);
}

/* Hide hidden IDs visually */
#filter-product-id,
#filter-author-id { display: none; }

/* Suggestions dropdowns */
#filter-product-suggestions,
#filter-author-suggestions {
  list-style: none;
  margin: 0;
  padding: 0.35rem 0.35rem;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;

  background:
    linear-gradient(180deg,
      color-mix(in oklch, var(--bg-3) 96%, black 4%),
      color-mix(in oklch, var(--bg-2) 92%, black 8%)
    );
  border: 1px solid color-mix(in oklch, var(--bd) 85%, transparent);
  border-radius: calc(var(--radius-sm) + 2px);
  box-shadow: var(--drop-sm);

  max-height: 240px;
  overflow-y: auto;
  z-index: 30;
}

#filter-product-suggestions li.cpg-suggestion,
#filter-author-suggestions li.cpg-suggestion {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.48rem 0.65rem;
  border-radius: 10px;
  cursor: pointer;
  transition: background var(--dur) ease, transform var(--dur) ease;
}

#filter-product-suggestions li.cpg-suggestion:hover,
#filter-author-suggestions li.cpg-suggestion:hover {
  background: color-mix(in oklch, var(--cpg-accent) 14%, transparent);
  transform: translateY(-1px);
}

#filter-product-suggestions li span,
#filter-author-suggestions li span {
  flex: 1 1 auto;
  color: var(--fg);
  font-size: 0.9rem;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Color filter */
#cpg-gallery-filters .cpg-color {
  grid-column: 4 / 5;
  position: relative;
}

/* Buttons */
.cpg-btn {
  border-radius: 999px;
  padding: 0.6rem 1.2rem;
  font-size: 0.95rem;
  font-weight: 650;
  border: none;
  cursor: pointer;
  transition: transform var(--dur-fast) ease, box-shadow var(--dur) ease, filter var(--dur-fast) ease, background var(--dur) ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  user-select: none;
}

.cpg-btn:focus { outline: none; }
.cpg-btn:focus-visible {
  box-shadow:
    0 0 0 2px color-mix(in oklch, var(--cpg-accent) 65%, transparent),
    0 0 0 7px color-mix(in oklch, var(--cpg-accent) 18%, transparent);
}

.cpg-btn--ghost {
  background: color-mix(in oklch, var(--bg-2) 90%, transparent);
  color: var(--fg-mid);
  border: 1px solid color-mix(in oklch, var(--bd) 80%, transparent);
}

.cpg-btn--ghost:hover {
  background: color-mix(in oklch, var(--cpg-accent) 14%, var(--bg-2) 86%);
  color: var(--fg);
  box-shadow: var(--drop-xs);
  transform: translateY(-1px);
}

.cpg-color-toggle { width: 100%; justify-content: center; }

/* Primary button */
#cpg-apply.cpg-btn {
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
  color: #0b0b0e;
  box-shadow: 0 2px 10px color-mix(in oklch, var(--brand-1) 35%, transparent);
}

#cpg-apply.cpg-btn:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px color-mix(in oklch, var(--brand-1) 45%, transparent);
}

#cpg-apply.cpg-btn:active { transform: translateY(0); }

#cpg-reset.cpg-btn--ghost { justify-content: center; }

/* Apply / Reset / Count positions */
#cpg-apply { grid-column: 5 / 6; }
#cpg-reset { grid-column: 6 / 7; }

#cpg-count.cpg-filter-meta {
  grid-column: 7 / 8;
  font-size: 0.88rem;
  color: var(--fg-low);
  text-align: right;
  white-space: nowrap;
  align-self: center;
}

/* Color popover */
.cpg-color-popover {
  position: absolute;
  top: calc(100% + 0.65rem);
  left: 0;
  min-width: 260px;
  padding: 0.75rem;
  border-radius: calc(var(--radius-sm) + 2px);
  background:
    linear-gradient(180deg,
      color-mix(in oklch, var(--bg-3) 96%, black 4%),
      color-mix(in oklch, var(--bg-2) 92%, black 8%)
    );
  border: 1px solid color-mix(in oklch, var(--bd) 85%, transparent);
  box-shadow: var(--drop-md);
  display: none;
  z-index: 40;
}

.cpg-swatch-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.45rem;
  align-items: center;
}

.cpg-swatch {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.65);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.14);
  cursor: pointer;
  position: relative;
  transition: transform var(--dur-fast) ease, box-shadow var(--dur) ease, border-color var(--dur) ease, filter var(--dur) ease;
}

.cpg-swatch:hover {
  transform: translateY(-1px) scale(1.05);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.20), 0 8px 18px rgba(0,0,0,0.55);
  filter: brightness(1.03);
}

.cpg-swatch::after {
  content: attr(data-title);
  position: absolute;
  left: 50%;
  bottom: -1.55rem;
  transform: translateX(-50%);
  font-size: 0.7rem;
  white-space: nowrap;
  color: var(--fg-low);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) ease;
}

.cpg-swatch:hover::after { opacity: 1; }

.cpg-swatch[aria-pressed="true"],
.cpg-swatch.is-selected {
  box-shadow: 0 0 0 2px var(--cpg-accent), 0 0 14px color-mix(in oklch, var(--cpg-accent) 55%, transparent);
  border-color: var(--cpg-accent);
}

/* Hidden select (server fallback) */
#filter-color-groups {
  position: absolute !important;
  left: -9999px !important;
  top: auto !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

/* Filters responsive */
@media (max-width: 960px) {
  #cpg-gallery-filters.cpg-filters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: auto;
  }
  #cpg-gallery-filters .cpg-select,
  #filter-product,
  #filter-author,
  #cpg-gallery-filters .cpg-color,
  #cpg-apply,
  #cpg-reset,
  #cpg-count.cpg-filter-meta { grid-column: 1 / 3; }

  #cpg-count.cpg-filter-meta { justify-self: flex-start; text-align: left; }
}

@media (max-width: 640px) {
  #cpg-gallery-filters.cpg-filters {
    padding: 1.25rem 1.1rem;
    border-radius: var(--radius-md);
  }
}

/* Dimmer when color popover is open */
.cpg-dimmer {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.62);
  z-index: 35;
  display: none;
  backdrop-filter: blur(1.5px);
}

/* --------------------------------------------------------------------------
   2) GALLERY GRID + EMPTY STATE
   -------------------------------------------------------------------------- */
#cpg-gallery-results.cpg-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
  padding: 24px;
  background:
    radial-gradient(circle at top left,
      color-mix(in oklch, var(--brand-1) 14%, transparent) 0%,
      transparent 40%
    ),
    radial-gradient(circle at bottom right,
      color-mix(in oklch, var(--brand-2) 11%, transparent) 0%,
      transparent 58%
    ),
    linear-gradient(145deg,
      color-mix(in oklch, var(--bg-2) 90%, black 10%),
      color-mix(in oklch, var(--bg-1) 96%, black 4%)
    );
  border-radius: var(--radius-lg);
  box-shadow: var(--drop-lg);
  border: 1px solid color-mix(in oklch, var(--bd) 80%, transparent);
}

.cpg-no-results {
  margin: 0;
  padding: 18px 10px;
  color: var(--fg-low);
  font-size: 0.95rem;
}

/* Responsive grid tweaks */
@media (max-width: 740px) {
  #cpg-gallery-results.cpg-gallery-grid {
    gap: 16px;
    padding: 18px;
    border-radius: 18px;
  }
}
@media (max-width: 480px) {
  #cpg-gallery-results.cpg-gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    padding: 14px;
  }
}

/* --------------------------------------------------------------------------
   3) FLIP CARD BASE
   -------------------------------------------------------------------------- */
.cpg-card.flip {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  perspective: 1100px;
  border-radius: var(--radius-md);

  /* subtle ambient border halo */
  box-shadow:
    0 0 0 1px color-mix(in oklch, var(--cpg-border) 65%, transparent) inset;
}

/* Both faces */
.cpg-card.flip > .front,
.cpg-card.flip > .back {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  backface-visibility: hidden;
  transform-style: preserve-3d;

  box-shadow: var(--drop-sm);
  transition:
    transform var(--dur-slow) var(--ease-soft),
    box-shadow var(--dur) ease,
    filter var(--dur) ease;

  display: flex;
  flex-direction: column;
}

/* Front image */
.cpg-card.flip > .front {
  background-color: #000;
  background-size: cover;
  background-position: center;
  background-image: var(--cpg-img);
  transform: rotateY(0deg);
}

/* Click area */
.cpg-card-hit {
  position: relative;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;

  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
}

/* Remove default focus outline, re-add nice focus */
.cpg-card-hit:focus { outline: none; }
.cpg-card-hit:focus-visible {
  border-radius: var(--radius-md);
  box-shadow:
    0 0 0 2px color-mix(in oklch, var(--cpg-accent) 70%, transparent),
    0 0 0 7px color-mix(in oklch, var(--cpg-accent) 16%, transparent);
}

/* FRONT: image shading + accent */
.cpg-card.flip > .front::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    /* top vignette */
    radial-gradient(120% 85% at 50% 0%,
      rgba(0,0,0,.25) 0%,
      rgba(0,0,0,0) 55%
    ),
    /* bottom readability scrim */
    linear-gradient(
      to top,
      rgba(0,0,0,.90) 0%,
      rgba(0,0,0,.66) 26%,
      rgba(0,0,0,.24) 56%,
      rgba(0,0,0,0) 78%
    );
  opacity: 1;
  transition: opacity var(--dur) ease, transform var(--dur) ease;
}

/* Front overlay container (title/uploader/desc/pills) */
.cpg-card.flip .overlay {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 16px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--cpg-txt);
  text-align: left;

  /* “panel” behind text for consistency across images */
  background:
    linear-gradient(
      180deg,
      color-mix(in oklch, rgba(0,0,0,.0) 0%, transparent),
      rgba(0,0,0,.16) 30%,
      rgba(0,0,0,.34) 70%,
      rgba(0,0,0,.50) 100%
    );
}

/* Title */
.cpg-image-title {
  margin: 0;
  font-size: 1.06rem;
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: var(--cpg-txt);
  text-shadow: 0 2px 10px rgba(0,0,0,.55);
}

/* Business/location lines */
.cpg-business-name,
.cpg-location {
  margin: 0;
  font-size: 0.86rem;
  color: color-mix(in oklch, var(--cpg-txt) 72%, var(--cpg-sub) 28%);
  opacity: 0.98;
}

/* Excerpt */
.cpg-card-excerpt {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.45;
  color: color-mix(in oklch, var(--cpg-txt) 80%, var(--cpg-sub) 20%);
  max-height: 3.1em;
  overflow: hidden;

  text-shadow: 0 2px 10px rgba(0,0,0,.35);
}

/* --------------------------------------------------------------------------
   4) UPLOADER BLOCK (front + back)
   -------------------------------------------------------------------------- */
.cpg-uploader {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 2px;
}

.cpg-uploader-avatar {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  overflow: hidden;
  flex-shrink: 0;

  border: 1px solid color-mix(in oklch, var(--cpg-border) 55%, rgba(255,255,255,.35));
  box-shadow:
    0 0 0 2px rgba(0, 0, 0, 0.65),
    0 8px 18px rgba(0, 0, 0, 0.55);

  background:
    radial-gradient(circle at 30% 25%,
      color-mix(in oklch, var(--cpg-accent) 26%, transparent),
      rgba(0,0,0,.92)
    );
}

.cpg-uploader-avatar img,
.cpg-uploader-avatar .cpg-uploader-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cpg-uploader-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.cpg-uploader-name {
  font-size: 0.9rem;
  font-weight: 650;
  color: var(--cpg-txt);
  line-height: 1.15;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cpg-uploader-tagline {
  font-size: 0.78rem;
  color: color-mix(in oklch, var(--cpg-sub) 92%, transparent);
  opacity: 0.95;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cpg-uploader-location {
  font-size: 0.78rem;
  color: color-mix(in oklch, var(--cpg-sub) 88%, transparent);
  opacity: 0.95;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Slightly tighter uploader on front */
.cpg-uploader--front .cpg-uploader-avatar { width: 32px; height: 32px; }
.cpg-uploader--front .cpg-uploader-name   { font-size: 0.88rem; }

/* --------------------------------------------------------------------------
   5) PILLS (product tags) — back + front variants
   -------------------------------------------------------------------------- */
.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px 4px 4px;
  font-size: 0.80rem;
  border-radius: 999px;
  color: var(--cpg-txt);
  text-decoration: none;

  background:
    linear-gradient(
      135deg,
      color-mix(in oklch, var(--cpg-accent) 14%, rgba(0,0,0,.22)),
      color-mix(in oklch, var(--cpg-accent) 38%, rgba(0,0,0,.22))
    );
  border: 1px solid color-mix(in oklch, var(--cpg-accent) 62%, transparent);

  box-shadow: 0 2px 10px rgba(0,0,0,.25);
  transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) ease, background var(--dur) ease, border-color var(--dur) ease;
}

.pill:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(0,0,0,.40);
  border-color: color-mix(in oklch, var(--cpg-accent) 78%, transparent);
  background:
    linear-gradient(
      135deg,
      color-mix(in oklch, var(--cpg-accent) 22%, rgba(0,0,0,.18)),
      color-mix(in oklch, var(--cpg-accent) 56%, rgba(0,0,0,.18))
    );
}

.pill-thumb-wrap {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  overflow: hidden;
  flex-shrink: 0;
  background: rgba(0,0,0,.65);
  box-shadow: 0 0 0 1px rgba(255,255,255,.14);
}

.pill-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.pill-label {
  white-space: nowrap;
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pill--more {
  background: color-mix(in oklch, var(--bg-2) 90%, rgba(0,0,0,.20));
  border-color: color-mix(in oklch, var(--cpg-border) 70%, transparent);
  color: var(--cpg-sub);
  box-shadow: none;
}

/* FRONT mini pills */
.pills--front {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pill--front {
  padding: 3px 9px 3px 3px;
  font-size: 0.76rem;
  max-width: 170px;

  background:
    linear-gradient(
      135deg,
      color-mix(in oklch, var(--cpg-accent) 12%, rgba(0,0,0,.24)),
      color-mix(in oklch, var(--cpg-accent) 32%, rgba(0,0,0,.24))
    );
  border-color: color-mix(in oklch, var(--cpg-accent) 58%, transparent);
}

.pill--front .pill-thumb-wrap { width: 18px; height: 18px; }

.pill--front-more {
  font-size: 0.75rem;
  padding: 3px 10px;
  background: rgba(0,0,0,.35);
  border: 1px solid color-mix(in oklch, var(--cpg-border) 70%, transparent);
  color: var(--cpg-sub);
  box-shadow: none;
}

/* Front footer (keeps pills readable without a hard “panel”) */
.cpg-front-footer {
  margin-top: 6px;
  padding-top: 2px;
}

/* --------------------------------------------------------------------------
   6) BACK FACE
   -------------------------------------------------------------------------- */
.cpg-card.flip > .back {
  background:
    radial-gradient(circle at top,
      color-mix(in oklch, var(--brand-1) 10%, var(--cpg-card)) 0%,
      var(--cpg-card) 68%
    );
  color: var(--cpg-txt);
  padding: 0;
  transform: rotateY(180deg);
  align-items: stretch;
}

/* Blurred background image layer */
.cpg-back-bg {
  position: absolute;
  inset: 0;
  background-image: var(--cpg-img);
  background-size: cover;
  background-position: center;
  filter:
    grayscale(0.30)
    saturate(0.92)
    contrast(1.0)
    brightness(0.88)
    blur(3px);
  opacity: 0.78;
  transform: scale(1.04);
  transform-origin: center;
}

/* Foreground inner content */
.cpg-back-inner {
  position: relative;
  z-index: 1;
  flex: 1 1 auto;
  box-sizing: border-box;
  padding: 16px 16px 16px;

  display: flex;
  flex-direction: column;
  gap: 10px;

  /* “glass” film to separate content from blurred bg */
  background:
    linear-gradient(
      180deg,
      rgba(0,0,0,.42) 0%,
      rgba(0,0,0,.70) 45%,
      rgba(0,0,0,.78) 100%
    );
}

/* Back header divider */
.cpg-back-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--cpg-border-soft);
}

/* Back footer pushes pills down */
.cpg-back-footer { margin-top: auto; padding-top: 8px; }

/* --------------------------------------------------------------------------
   7) FLIP INTERACTION
   -------------------------------------------------------------------------- */
@media (hover: hover) and (pointer: fine) {
  .cpg-card.flip:hover > .front {
    transform: rotateY(-180deg);
    box-shadow: var(--drop-md);
    filter: saturate(1.02);
  }

  .cpg-card.flip:hover > .back {
    transform: rotateY(0deg);
    box-shadow: var(--drop-md);
  }

  .cpg-card.flip:hover > .front::before {
    opacity: 0.92;
    transform: translateY(-2px);
  }

  /* Slight “lift” */
  .cpg-card.flip:hover {
    transform: translateY(-2px);
    transition: transform var(--dur) var(--ease-out);
  }
}

@media (hover: none), (pointer: coarse) {
  .cpg-card.flip > .front,
  .cpg-card.flip > .back { transform: none !important; }

  .cpg-card.flip > .back { display: none; }
}

/* --------------------------------------------------------------------------
   8) LIGHTBOX (shell markup from render_lightbox_shell)
   -------------------------------------------------------------------------- */
.cpg-lightbox-overlay {
  position: fixed;
  inset: 0;
  display: none; /* JS will toggle */
  place-items: center;
  padding: 18px;
  z-index: 99999;

  background:
    radial-gradient(120% 120% at 30% 10%,
      color-mix(in oklch, var(--brand-1) 12%, rgba(0,0,0,.75)),
      rgba(0,0,0,.82) 55%
    );
  backdrop-filter: blur(6px);
}

.cpg-lightbox-card {
  width: min(1100px, 100%);
  max-height: min(86vh, 860px);
  display: grid;
  grid-template-columns: 1.35fr 0.90fr;
  grid-template-rows: 1fr auto;
  gap: 14px;

  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid color-mix(in oklch, var(--bd) 80%, transparent);
  box-shadow: var(--drop-lg);

  background:
    linear-gradient(180deg,
      color-mix(in oklch, var(--bg-2) 92%, black 8%),
      color-mix(in oklch, var(--bg-1) 96%, black 4%)
    );
}

/* Close button */
.cpg-lightbox-close {
  position: absolute;
  top: 14px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid color-mix(in oklch, var(--bd) 80%, transparent);
  background: rgba(0,0,0,.45);
  color: var(--fg);
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform var(--dur) ease, background var(--dur) ease, box-shadow var(--dur) ease;
  z-index: 2;
}
.cpg-lightbox-close:hover {
  transform: translateY(-1px);
  background: rgba(0,0,0,.62);
  box-shadow: var(--drop-xs);
}
.cpg-lightbox-close:focus { outline: none; }
.cpg-lightbox-close:focus-visible {
  box-shadow:
    0 0 0 2px color-mix(in oklch, var(--cpg-accent) 60%, transparent),
    0 0 0 7px color-mix(in oklch, var(--cpg-accent) 18%, transparent);
}

/* Image panel */
.cpg-lightbox-image {
  grid-column: 1 / 2;
  grid-row: 1 / 2;
  background: #000;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.cpg-lightbox-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: #000;
}

/* Details panel */
.cpg-lightbox-details {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
  padding: 18px 18px 14px;
  overflow: auto;

  background:
    radial-gradient(120% 120% at 0% 0%,
      color-mix(in oklch, var(--brand-1) 10%, transparent),
      transparent 55%
    ),
    linear-gradient(180deg,
      color-mix(in oklch, var(--bg-3) 92%, black 8%),
      color-mix(in oklch, var(--bg-2) 92%, black 8%)
    );
  border-left: 1px solid color-mix(in oklch, var(--bd) 80%, transparent);
}

.cpg-lb-heading.cpg-lb-title {
  margin: 0 0 10px;
  font-size: 1.15rem;
  line-height: 1.22;
  color: var(--fg);
}

.cpg-lb-desc {
  font-size: 0.92rem;
  line-height: 1.55;
  color: color-mix(in oklch, var(--fg) 82%, var(--fg-low) 18%);
  margin-bottom: 14px;
}

.cpg-lb-products {
  margin: 10px 0 14px;
}

/* Uploader in lightbox */
.cpg-lb-uploader {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
  padding-top: 12px;
  border-top: 1px solid color-mix(in oklch, var(--bd) 75%, transparent);
}

.cpg-lb-avatar {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid color-mix(in oklch, var(--bd) 85%, transparent);
  box-shadow: 0 8px 18px rgba(0,0,0,.35);
  background: rgba(0,0,0,.35);
}
.cpg-lb-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }

.cpg-lb-author a {
  color: var(--fg);
  text-decoration: none;
  font-weight: 650;
}
.cpg-lb-author a:hover {
  color: color-mix(in oklch, var(--brand-2) 70%, var(--fg));
  text-decoration: underline;
}

/* Thumbs strip */
.cpg-lb-thumbs {
  grid-column: 1 / 3;
  grid-row: 2 / 3;
  display: flex;
  gap: 10px;
  padding: 12px 14px;
  overflow-x: auto;

  background: color-mix(in oklch, var(--bg-1) 92%, black 8%);
  border-top: 1px solid color-mix(in oklch, var(--bd) 80%, transparent);
}

.cpg-lb-thumbs img {
  width: 70px;
  height: 70px;
  border-radius: 12px;
  object-fit: cover;
  cursor: pointer;
  border: 1px solid color-mix(in oklch, var(--bd) 80%, transparent);
  box-shadow: 0 6px 14px rgba(0,0,0,.35);
  transition: transform var(--dur) ease, border-color var(--dur) ease;
}
.cpg-lb-thumbs img:hover {
  transform: translateY(-1px);
  border-color: color-mix(in oklch, var(--brand-1) 55%, transparent);
}

/* Lightbox responsive */
@media (max-width: 920px) {
  .cpg-lightbox-card {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(240px, 52vh) auto auto;
  }
  .cpg-lightbox-image { grid-column: 1; grid-row: 1; }
  .cpg-lightbox-details {
    grid-column: 1;
    grid-row: 2;
    border-left: none;
    border-top: 1px solid color-mix(in oklch, var(--bd) 80%, transparent);
  }
  .cpg-lb-thumbs { grid-column: 1; grid-row: 3; }
}