/**
 * Photo Gallery Manager — front-end gallery styles.
 *
 * Inherits the active theme's Archivo type and CSS custom properties
 * (--bg, --fg, --muted, --hairline, --glass, --acid, --acid-deep, --on-lime),
 * which are light/dark-aware via [data-theme]. No hardcoded colors, no font imports.
 */

/* ------------------------------------------------------------------
   Gallery root + section title block
   ------------------------------------------------------------------ */
.pgm-gallery {
  --pgm-gap: clamp(4px, 0.6vw, 8px);
  width: 100%;
}

.pgm-gallery__intro {
  max-width: 820px;
  margin: 0 0 2rem;
  color: var(--muted);
}

/* ------------------------------------------------------------------
   Filter bars
   ------------------------------------------------------------------ */
.pgm-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.pgm-filters--keywords {
  margin-bottom: 2rem;
}

.pgm-filter {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg);
  background: transparent;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  line-height: 1;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.pgm-filter:hover {
  border-color: var(--fg);
}

.pgm-filter:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 2px;
}

.pgm-filter[aria-pressed="true"] {
  background: var(--acid);
  border-color: var(--acid);
  color: var(--on-lime);
}

.pgm-filter__count {
  opacity: 0.7;
  font-weight: 700;
}

/* ------------------------------------------------------------------
   Responsive grid
   ------------------------------------------------------------------ */
/* Masonry via CSS multi-column: photos flow at natural height/aspect, so
   portrait and landscape shots sit together without cropping. */
.pgm-grid {
  column-count: 3;
  column-gap: var(--pgm-gap);
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Desktop column-count modifier classes (set via pgm-cols-N, never inline). */
.pgm-grid.pgm-cols-1 { column-count: 1; }
.pgm-grid.pgm-cols-2 { column-count: 2; }
.pgm-grid.pgm-cols-3 { column-count: 3; }
.pgm-grid.pgm-cols-4 { column-count: 4; }
.pgm-grid.pgm-cols-5 { column-count: 5; }
.pgm-grid.pgm-cols-6 { column-count: 6; }

/* Collapse to 2 columns on tablets and 1 on phones, regardless of chosen count. */
@media (max-width: 1024px) {
  .pgm-grid,
  .pgm-grid.pgm-cols-1,
  .pgm-grid.pgm-cols-2,
  .pgm-grid.pgm-cols-3,
  .pgm-grid.pgm-cols-4,
  .pgm-grid.pgm-cols-5,
  .pgm-grid.pgm-cols-6 {
    column-count: 2;
  }
}

@media (max-width: 600px) {
  .pgm-grid,
  .pgm-grid.pgm-cols-1,
  .pgm-grid.pgm-cols-2,
  .pgm-grid.pgm-cols-3,
  .pgm-grid.pgm-cols-4,
  .pgm-grid.pgm-cols-5,
  .pgm-grid.pgm-cols-6 {
    column-count: 1;
  }
}

/* ------------------------------------------------------------------
   Card
   ------------------------------------------------------------------ */
.pgm-card {
  display: inline-block;
  width: 100%;
  margin: 0 0 var(--pgm-gap);
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  text-align: left;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  font: inherit;
  color: var(--fg);
  background: transparent;
  border: 0;
  padding: 0;
  text-decoration: none;
  transition: transform 0.3s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.pgm-card.is-hidden {
  display: none;
}

.pgm-card:hover {
  transform: translateY(-4px);
}

.pgm-card:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 4px;
}

.pgm-card__media {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--bg);
  border: 1px solid var(--hairline);
}

.pgm-card__img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.pgm-card:hover .pgm-card__img {
  transform: scale(1.05);
}

/* On-brand placeholder for cards with no featured image. */
.pgm-card__placeholder {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--muted) 8%, var(--bg));
}

.pgm-card__placeholder::before {
  /* small lime corner mark */
  content: "";
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  width: 26px;
  height: 4px;
  background: var(--acid);
}

.pgm-card__placeholder::after {
  content: "No image";
  position: absolute;
  bottom: 0.85rem;
  left: 0.85rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.pgm-card__body {
  display: block;
}

.pgm-card__title {
  display: block;
  margin: 0.75rem 0 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--fg);
  hyphens: none;
  -webkit-hyphens: none;
  overflow-wrap: normal;
  word-break: normal;
}

.pgm-card__album {
  display: block;
  margin: 0.35rem 0 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--acid-deep);
}

/* Caption + credit are only surfaced in the blogstyle layout (below). */
.pgm-card__caption,
.pgm-card__credit {
  display: none;
}

/* ------------------------------------------------------------------
   Empty state
   ------------------------------------------------------------------ */
.pgm-empty {
  margin: 0;
  padding: 2rem 0;
  color: var(--muted);
  font-style: italic;
}

/* ------------------------------------------------------------------
   Lightbox
   ------------------------------------------------------------------ */
.pgm-noscroll {
  overflow: hidden;
}

.pgm-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 3rem);
  background: var(--glass);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.pgm-lightbox.is-open {
  display: flex;
}

.pgm-lightbox__figure {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  max-width: 100%;
  max-height: 100%;
  margin: 0;
}

.pgm-lightbox__img {
  display: block;
  max-width: min(100%, 1100px);
  max-height: 78vh;
  object-fit: contain;
  border: 1px solid var(--hairline);
  background: var(--bg);
}

/* Placeholder shown inside the lightbox when a photo has no image. */
.pgm-lightbox__img.is-placeholder {
  width: min(70vw, 560px);
  height: min(60vh, 700px);
  position: relative;
}

.pgm-lightbox__caption {
  text-align: center;
  color: var(--fg);
  max-width: 60ch;
}

.pgm-lightbox__title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
}

.pgm-lightbox__credit {
  margin: 0.3rem 0 0;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.pgm-lightbox__credit:empty {
  display: none;
}

.pgm-lightbox__close {
  position: absolute;
  top: -2.6rem;
  right: 0;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 0.45rem 0.95rem;
  line-height: 1;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.pgm-lightbox__close:hover {
  background: var(--acid);
  border-color: var(--acid);
  color: var(--on-lime);
}

.pgm-lightbox__close:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 2px;
}

/* On-screen previous/next arrows. */
.pgm-lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  line-height: 1;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.pgm-lightbox__prev { left: clamp(0.5rem, 2.5vw, 1.75rem); }
.pgm-lightbox__next { right: clamp(0.5rem, 2.5vw, 1.75rem); }

.pgm-lightbox__nav:hover {
  background: var(--acid);
  border-color: var(--acid);
  color: var(--on-lime);
}

.pgm-lightbox__nav:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 2px;
}

.pgm-lightbox__nav[hidden] {
  display: none;
}

/* ------------------------------------------------------------------
   Reduced motion
   ------------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  .pgm-card,
  .pgm-card__img,
  .pgm-filter,
  .pgm-lightbox__close,
  .pgm-loadmore,
  .pgm-page,
  .pgm-single__term,
  .pgm-single__back-link,
  .pgm-single__nav-link {
    transition: none;
  }
  .pgm-card:hover {
    transform: none;
  }
  .pgm-loadmore:hover {
    transform: none;
  }
  .pgm-card:hover .pgm-card__img {
    transform: none;
  }
}

/* ------------------------------------------------------------------
   Pagination
   ------------------------------------------------------------------ */
.pgm-pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.5rem;
  margin: 2.5rem 0 0;
}

.pgm-page {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.4rem;
  padding: 0.45rem 0.8rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  line-height: 1;
  color: var(--fg);
  background: transparent;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.pgm-page:hover {
  border-color: var(--fg);
}

.pgm-page:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 2px;
}

.pgm-page.is-current {
  background: var(--acid);
  border-color: var(--acid);
  color: var(--on-lime);
}

.pgm-page.is-disabled {
  opacity: 0.4;
  cursor: default;
}

/* ------------------------------------------------------------------
   Load more (AJAX browsing)
   ------------------------------------------------------------------ */
.pgm-loadmore {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 2.5rem auto 0;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1;
  color: var(--on-lime);
  background: var(--acid);
  border: 1px solid var(--acid);
  border-radius: 999px;
  padding: 0.75rem 1.6rem;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

/* Center the button under the grid. */
.pgm-gallery .pgm-loadmore {
  display: flex;
  width: -moz-fit-content;
  width: fit-content;
}

.pgm-loadmore:hover {
  background: var(--acid-deep);
  border-color: var(--acid-deep);
  transform: translateY(-2px);
}

.pgm-loadmore:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 3px;
}

.pgm-loadmore.is-loading,
.pgm-loadmore:disabled {
  opacity: 0.6;
  cursor: progress;
  transform: none;
}

.pgm-loadmore.is-loading::before {
  content: "";
  display: inline-block;
  width: 0.95em;
  height: 0.95em;
  margin-right: 0.55em;
  vertical-align: -0.15em;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--on-lime) 30%, transparent);
  border-top-color: var(--on-lime);
  animation: pgm-spin 0.7s linear infinite;
}

.pgm-loadmore[hidden] {
  display: none;
}

/* ------------------------------------------------------------------
   Single photo view
   ------------------------------------------------------------------ */
.pgm-single {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
  max-width: 1200px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .pgm-single {
    grid-template-columns: 1fr;
  }
}

.pgm-single__media {
  width: 100%;
}

.pgm-single__img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 80vh;
  object-fit: contain;
  border: 1px solid var(--hairline);
  background: var(--bg);
}

.pgm-single__placeholder {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  position: relative;
  background: color-mix(in srgb, var(--muted) 8%, var(--bg));
  border: 1px solid var(--hairline);
}

.pgm-single__placeholder::before {
  content: "";
  position: absolute;
  top: 1rem;
  left: 1rem;
  width: 28px;
  height: 4px;
  background: var(--acid);
}

.pgm-single__placeholder::after {
  content: "No image";
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.pgm-single__meta {
  position: sticky;
  top: 6rem;
}

@media (max-width: 900px) {
  .pgm-single__meta {
    position: static;
  }
}

.pgm-single__terms {
  margin: 0 0 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.5rem;
}

.pgm-single__terms-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-right: 0.25rem;
}

.pgm-single__term {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg);
  text-decoration: none;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  line-height: 1;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.pgm-single__term:hover {
  background: var(--acid);
  border-color: var(--acid);
  color: var(--on-lime);
}

.pgm-single__term:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 2px;
}

.pgm-single__credit {
  margin: 1.5rem 0 0;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--acid-deep);
}

.pgm-single__caption {
  margin: 1.25rem 0 0;
  color: var(--muted);
  max-width: 50ch;
}

.pgm-single__caption p {
  margin: 0 0 0.75rem;
}

.pgm-single__back {
  margin: 2rem 0 0;
}

.pgm-single__back-link {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg);
  text-decoration: none;
  border-bottom: 2px solid var(--acid);
  padding-bottom: 0.15rem;
  transition: color 0.2s ease;
}

.pgm-single__back-link:hover {
  color: var(--acid-deep);
}

.pgm-single__back-link:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 2px;
}

.pgm-single__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  margin: 2rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--hairline);
}

.pgm-single__nav-link {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
  transition: color 0.2s ease;
}

.pgm-single__nav-link:hover {
  color: var(--acid-deep);
}

.pgm-single__nav-link--next {
  margin-left: auto;
  text-align: right;
}

.pgm-single__nav-link:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 2px;
}

/* ==================================================================
   BROWSE layouts: two-column (sidebar tree + grid)
   ================================================================== */
.pgm-gallery--browse .pgm-gallery__layout {
  display: grid;
  grid-template-columns: minmax(180px, 210px) minmax(0, 1fr);
  gap: clamp(1rem, 1.6vw, 1.75rem);
  align-items: start;
}

/* Align the gallery's right edge with the header's light/dark toggle, which is
   inset from the wide edge by the same amount (see .site-nav .nav-inner). */
@media (min-width: 1280px) {
  .pgm-gallery--browse {
    padding-right: 6.75rem;
  }
}

/* Intro lead sits inside the photos column, so it shares the photos' left edge
   and wraps at the same right edge (the toggle). */
.pgm-gallery__lead {
  margin: 0 0 1.75rem;
  max-width: none;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}

.pgm-gallery__main {
  min-width: 0;
  /* Anchor for the absolutely-positioned spinner overlay. */
  position: relative;
}

/* ------------------------------------------------------------------
   Filtering spinner (lime ring) — covers the grid during AJAX.
   ------------------------------------------------------------------ */
.pgm-spinner {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  z-index: 5;
  /* Veil the stale grid using the theme background, not a new color. */
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(2px);
}

.pgm-spinner.is-active {
  display: flex;
}

.pgm-spinner__ring {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  border: 3px solid color-mix(in srgb, var(--acid) 28%, transparent);
  border-top-color: var(--acid);
  animation: pgm-spin 0.8s linear infinite;
}

.pgm-spinner__text {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

@keyframes pgm-spin {
  to {
    transform: rotate(360deg);
  }
}

/* Reduced motion: no spin — the "Loading…" text alone signals progress. */
@media (prefers-reduced-motion: reduce) {
  .pgm-spinner__ring {
    animation: none;
    border-top-color: color-mix(in srgb, var(--acid) 28%, transparent);
  }
}

/* Mobile "Albums" toggle — hidden on desktop. */
.pgm-sidebar-toggle {
  display: none;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg);
  background: transparent;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 0.5rem 1.1rem;
  margin: 0 0 1.25rem;
  line-height: 1;
}

.pgm-sidebar-toggle:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 2px;
}

/* ------------------------------------------------------------------
   Sidebar: album tree + keyword list
   ------------------------------------------------------------------ */
.pgm-sidebar {
  position: sticky;
  top: 6rem;
}

.pgm-tree__heading {
  margin: 0 0 0.75rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.pgm-tree__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.pgm-tree__row {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.pgm-tree__toggle {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.4rem;
  height: 1.4rem;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  color: var(--muted);
}

.pgm-tree__toggle--leaf {
  cursor: default;
}

.pgm-tree__caret {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 4px 0 4px 6px;
  border-color: transparent transparent transparent currentColor;
  transition: transform 0.2s ease;
}

.pgm-tree__item.is-expanded > .pgm-tree__row .pgm-tree__caret {
  transform: rotate(90deg);
}

.pgm-tree__toggle:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 2px;
}

/* Collapsed by default: hide nested lists until the branch is expanded. */
.pgm-tree__item--parent > .pgm-tree__list {
  display: none;
}

.pgm-tree__item--parent.is-expanded > .pgm-tree__list {
  display: block;
}

/* Indentation per depth via nested lists. */
.pgm-tree__list .pgm-tree__list {
  margin-left: 0.85rem;
  border-left: 1px solid var(--hairline);
  padding-left: 0.35rem;
}

/* Tree label buttons (filters) — flat, left-aligned, no pill. */
.pgm-tree__label {
  flex: 1 1 auto;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  text-align: left;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg);
  background: transparent;
  border: 0;
  border-left: 2px solid transparent;
  border-radius: 0;
  padding: 0.3rem 0.5rem;
  line-height: 1.2;
  text-transform: none;
  letter-spacing: 0;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.pgm-tree__label:hover {
  color: var(--acid-deep);
  border-color: transparent;
  background: transparent;
}

.pgm-tree__label:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 2px;
}

.pgm-tree__label[aria-pressed="true"] {
  border-left-color: var(--acid);
  background: color-mix(in srgb, var(--acid) 14%, transparent);
  color: var(--fg);
}

.pgm-tree__label .pgm-filter__count {
  font-size: 0.72rem;
  opacity: 0.6;
}

/* Keyword list in the sidebar. */
.pgm-sidebar__keywords {
  margin-top: 2rem;
}

.pgm-keywords__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pgm-keywords__list .pgm-filter {
  font-size: 0.72rem;
  padding: 0.3rem 0.7rem;
}

/* ==================================================================
   MOSAIC layout (justified rows; JS sets per-card width/height)
   ================================================================== */
.pgm-grid.pgm-layout-mosaic {
  column-count: initial;
  column-gap: initial;
  display: flex;
  flex-wrap: wrap;
  gap: var(--pgm-gap);
}

.pgm-layout-mosaic .pgm-card {
  display: inline-flex;
  flex-direction: column;
  width: auto;
  margin: 0;
  break-inside: auto;
}

/* Keep filtered-out cards hidden in mosaic (must out-specify the rule above). */
.pgm-layout-mosaic .pgm-card.is-hidden {
  display: none;
}

.pgm-layout-mosaic .pgm-card__media {
  width: 100%;
  height: 100%;
}

.pgm-layout-mosaic .pgm-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Caption sits below the image at the card's computed width. */
.pgm-layout-mosaic .pgm-card__title {
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

.pgm-layout-mosaic .pgm-card__album {
  font-size: 0.66rem;
}

/* Before JS runs (no-JS / first paint), fall back to a sensible flow so the
   grid is not a single tall column of full-width images. */
.pgm-layout-mosaic .pgm-card:not([style]) {
  width: 320px;
}

/* ==================================================================
   BLOGSTYLE layout (stacked editorial images for posts)
   ================================================================== */
.pgm-layout-blogstyle.pgm-grid {
  column-count: initial;
  column-gap: initial;
  display: flex;
  flex-direction: column;
  gap: clamp(3rem, 7vw, 5.5rem);
  max-width: 820px;
  margin: 0 auto;
}

.pgm-layout-blogstyle .pgm-card {
  display: block;
  width: 100%;
  margin: 0;
  break-inside: auto;
}

.pgm-layout-blogstyle .pgm-card:hover {
  transform: none;
}

.pgm-layout-blogstyle .pgm-card__media {
  width: 100%;
  height: auto;
}

.pgm-layout-blogstyle .pgm-card__img {
  width: 100%;
  height: auto;
  object-fit: initial;
}

.pgm-layout-blogstyle .pgm-card:hover .pgm-card__img {
  transform: none;
}

.pgm-layout-blogstyle .pgm-card__body {
  margin-top: 1.1rem;
}

.pgm-layout-blogstyle .pgm-card__title {
  margin: 0;
  font-size: clamp(1.25rem, 2.6vw, 1.7rem);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

.pgm-layout-blogstyle .pgm-card__album {
  margin-top: 0.5rem;
}

.pgm-layout-blogstyle .pgm-card__caption {
  display: block;
  margin-top: 0.85rem;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--muted);
}

.pgm-layout-blogstyle .pgm-card__credit {
  display: block;
  margin-top: 0.85rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--acid-deep);
}

/* ==================================================================
   Responsive: collapse the sidebar behind the "Albums" toggle
   ================================================================== */
@media (max-width: 768px) {
  .pgm-gallery--browse .pgm-gallery__layout {
    display: block;
  }

  .pgm-sidebar-toggle {
    display: inline-flex;
  }

  .pgm-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 9998;
    width: min(82vw, 320px);
    padding: 5rem 1.5rem 2rem;
    overflow-y: auto;
    background: var(--bg);
    border-right: 1px solid var(--hairline);
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }

  .pgm-sidebar-open .pgm-sidebar {
    transform: translateX(0);
  }

  .pgm-gallery__main {
    margin-top: 0.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pgm-sidebar,
  .pgm-tree__caret {
    transition: none;
  }
}

/* ==================================================================
   VIDEO — play overlay on cards
   ================================================================== */
.pgm-card__play {
  position: absolute;
  top: 50%;
  left: 50%;
  width: clamp(48px, 6vw, 68px);
  height: clamp(48px, 6vw, 68px);
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  border: 1px solid var(--hairline);
  pointer-events: none;
  transition: background 0.25s ease, transform 0.25s ease;
}

.pgm-card__play::before {
  /* CSS play triangle (lime). */
  content: "";
  width: 0;
  height: 0;
  margin-left: 0.18em;
  border-top: 0.62em solid transparent;
  border-bottom: 0.62em solid transparent;
  border-left: 1em solid var(--acid);
}

.pgm-card--video:hover .pgm-card__play {
  background: color-mix(in srgb, var(--acid) 22%, var(--bg));
  transform: translate(-50%, -50%) scale(1.06);
}

.pgm-card--video:hover .pgm-card__play::before {
  border-left-color: var(--acid-deep);
}

/* ==================================================================
   VIDEO — lightbox responsive 16:9 player
   ================================================================== */
.pgm-lightbox__embed {
  position: relative;
  /* Size against the viewport (not the shrink-wrapping flex parent, which would
     collapse a percentage width). Cap by width, by height (16:9), and 1100px. */
  width: min(90vw, calc(80vh * 16 / 9), 1100px);
  max-width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border: 1px solid var(--hairline);
}

.pgm-lightbox__embed[hidden] {
  display: none;
}

.pgm-lightbox__embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.pgm-lightbox__img[hidden] {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  .pgm-card__play {
    transition: none;
  }
}

/* ==================================================================
   DATA — case-study rows (shortcode [pgm_data_cases])
   Reuses the theme case-* / viz-* visual language; supplies the
   two-column layout the original wp:columns markup provided.
   ================================================================== */
.pgm-cases {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}

.pgm-cases .case-row {
  display: grid;
  grid-template-columns: 38% 1fr;
  gap: 3.5rem;
  align-items: start;
}

.pgm-cases .case-row--reversed {
  grid-template-columns: 1fr 38%;
}

.pgm-cases .case-col--figure {
  min-width: 0;
}

.pgm-cases .case-col--body {
  min-width: 0;
}

.pgm-cases .chart-figure {
  margin-top: 2rem;
}

/* CSS viz-bars placeholder rendered by the shortcode. */
.pgm-cases .case-figure-frame.viz-bars {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  aspect-ratio: 4 / 3;
  padding: 1.4rem;
  border: 1px solid var(--hairline);
  background: color-mix(in srgb, var(--muted) 6%, var(--bg));
}

.pgm-cases .case-figure-frame.viz-bars .viz-bar {
  height: 10px;
  min-height: 10px;
  background: var(--acid);
}

.pgm-cases .case-figure-frame.viz-bars .viz-bar:nth-child(even) {
  background: var(--hairline);
}

/* Real chart image / Power BI embed frame. */
.pgm-cases .case-figure-frame--image,
.pgm-cases .case-figure-frame--embed {
  width: 100%;
  border: 1px solid var(--hairline);
  overflow: hidden;
}

.pgm-cases .case-figure-frame--image {
  aspect-ratio: 4 / 3;
}

.pgm-cases .case-figure-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pgm-cases .tag-list {
  display: flex;
  flex-wrap: wrap;
  margin-top: 1.6rem;
}

@media (max-width: 781px) {
  .pgm-cases .case-row,
  .pgm-cases .case-row--reversed {
    grid-template-columns: 1fr;
    gap: 1.6rem;
  }

  /* Keep the figure first on mobile regardless of desktop order. */
  .pgm-cases .case-row--reversed .case-col--body {
    order: 2;
  }
  .pgm-cases .case-row--reversed .case-col--figure {
    order: 1;
  }
}

/* ==================================================================
   VIDEO — single template
   ================================================================== */
.pgm-single--video .pgm-single__player {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border: 1px solid var(--hairline);
}

.pgm-single--video .pgm-single__player iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Featured (homepage) "View all" link. */
.pgm-viewall { margin: 1.75rem 0 0; }
.pgm-viewall__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--acid-deep);
  text-decoration: none;
  transition: color 0.2s ease;
}
[data-theme="dark"] .pgm-viewall__link { color: var(--acid); }
.pgm-viewall__link:hover,
.pgm-viewall__link:focus-visible { color: var(--fg); }

/* Featured (homepage) strip: a uniform single row of equal cells (not the
   justified mosaic), so mixed photo ratios line up cleanly like the videos. */
.pgm-grid--featured {
  display: grid;
  gap: var(--pgm-gap);
  column-count: initial;
}
.pgm-grid--featured.pgm-cols-1 { grid-template-columns: repeat(1, 1fr); }
.pgm-grid--featured.pgm-cols-2 { grid-template-columns: repeat(2, 1fr); }
.pgm-grid--featured.pgm-cols-3 { grid-template-columns: repeat(3, 1fr); }
.pgm-grid--featured.pgm-cols-4 { grid-template-columns: repeat(4, 1fr); }
.pgm-grid--featured.pgm-cols-5 { grid-template-columns: repeat(5, 1fr); }
.pgm-grid--featured.pgm-cols-6 { grid-template-columns: repeat(6, 1fr); }
.pgm-grid--featured .pgm-card { display: block; width: 100%; margin: 0; break-inside: auto; }
.pgm-grid--featured .pgm-card__media { aspect-ratio: 16 / 9; height: auto; }
.pgm-grid--featured .pgm-card__img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 900px) {
  .pgm-grid--featured.pgm-cols-3,
  .pgm-grid--featured.pgm-cols-4,
  .pgm-grid--featured.pgm-cols-5,
  .pgm-grid--featured.pgm-cols-6 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .pgm-grid--featured { grid-template-columns: 1fr !important; }
}