/* Pandu News "Kaca Bening": galeri dan lightbox Infografis (PRD 7.3). Nilai px/hex dari mockup
   Claude Design (design/pandu-news-redesign/Infografis.dc.html): 1a desktop, 1b mobile. Hero dan
   kerangka halaman memakai kategori.css. */

.pn-kat-hint { display: inline; }

/* ================================================================ */
/* GALERI MASONRY                                                   */
/* ================================================================ */
.pn-gal-section { display: flex; flex-direction: column; gap: 28px; min-width: 0; }
/* Tiga susunan (4, 3, 2 kolom) dari data yang sama; hanya satu yang tampil. */
.pn-gal { display: flex; align-items: flex-start; gap: 24px; }
.pn-gal[data-cols="3"], .pn-gal[data-cols="2"] { display: none; }
.pn-gal-col { flex: 1 1 0; min-width: 0; display: flex; flex-direction: column; gap: 28px; }

.pn-gal-tile { display: flex; flex-direction: column; gap: 10px; color: var(--color-ink); cursor: zoom-in; }
.pn-gal-media {
  display: block; overflow: hidden; border-radius: 16px;
  background: var(--color-cat-infografis-tint); border: 1px solid var(--color-line);
  box-shadow: 0 2px 12px rgba(15,23,42,.06);
}
.pn-gal-img { display: block; width: 100%; height: auto; transition: transform 300ms var(--ease-in); }
.pn-gal-media .pn-img-empty { aspect-ratio: 4 / 5; }
.pn-gal-tile:hover .pn-gal-img, .pn-gal-tile:focus-visible .pn-gal-img { transform: scale(1.03); }
.pn-gal-title { font-size: 15px; line-height: 21px; font-weight: 700; transition: color var(--dur-color); }
.pn-gal-tile:hover .pn-gal-title { color: var(--color-brand-600); }
.pn-gal-tile.is-seen .pn-gal-title { color: var(--color-seen); }
.pn-gal-date { font-size: 12px; line-height: 18px; font-weight: 500; color: var(--color-muted); }
/* Ubin slide yang sedang terbuka kosong, seolah gambarnya terangkat ke lightbox. */
.pn-gal-tile.is-lifted .pn-gal-media { visibility: hidden; }

.pn-gal-skeleton { display: flex; }
.pn-gal-skel { display: flex; flex-direction: column; gap: 10px; }
.pn-gal-skel .pn-skel { width: 100%; border-radius: 16px; animation: pn-shimmer 1.2s linear infinite; }
.pn-gal-skel .pn-gal-skel-line { height: 16px; width: 80%; border-radius: 6px; }

.pn-gal-more { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.pn-gal-note { font-size: 13px; line-height: 20px; color: var(--color-ink-3); }
.pn-gal-btn {
  height: 48px; min-width: 240px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 0 24px;
  border-radius: 14px; border: 1px solid var(--color-line); background: var(--color-surface); color: var(--color-ink);
  font-size: 15px; font-weight: 700; cursor: pointer; transition: border-color var(--dur-color), color var(--dur-color);
}
.pn-gal-btn:hover { border-color: var(--color-cat-infografis); color: var(--color-cat-infografis-text); }
.pn-gal-btn:disabled { cursor: progress; color: var(--color-ink-3); }

/* Tab Infografis di bottom bar memakai warna kategorinya (mockup 1b). */
.pn-bb-item.pn-cat-infografis[aria-current="page"] { background: var(--cat-tint); color: var(--cat-text); }

/* ================================================================ */
/* LIGHTBOX                                                         */
/* ================================================================ */
.pn-lb { position: fixed; inset: 0; z-index: 80; overscroll-behavior: contain; }
.pn-lb:focus { outline: none; }
/* Header dan bottom bar tertutup latar lightbox: blurnya dimatikan agar zoom/geser tetap ringan. */
:root[data-lightbox] .pn-header, :root[data-lightbox] .pn-bottombar { -webkit-backdrop-filter: none; backdrop-filter: none; }
.pn-lb-back { position: absolute; inset: 0; background: rgba(3,10,20,.92); animation: pn-fade-in var(--dur-panel) var(--ease-in); transition: opacity 240ms var(--ease-out); }
.pn-lb-chrome > * { transition: opacity var(--dur-color) var(--ease-out); }
.pn-lb.is-closing .pn-lb-back, .pn-lb.is-closing .pn-lb-chrome > * { opacity: 0; }
.pn-lb.is-closing { pointer-events: none; }

.pn-lb-stage { position: absolute; inset: 0 0 100px; display: grid; place-items: center; overflow: hidden; touch-action: none; }
.pn-lb-zoom { transition: transform var(--dur-card) var(--ease-in); }
.pn-lb-stage.is-dragging .pn-lb-zoom { transition: none; }
.pn-lb-img {
  /* Ukuran pasti dari rasio (--ar = lebar/tinggi) sebelum gambar besar termuat: morph bisa dihitung
     dan tidak ada lompatan saat gambar tiba. */
  display: block; width: min(calc(100vw - 200px), calc((100dvh - 160px) * var(--ar))); height: auto; aspect-ratio: var(--ar);
  border-radius: 12px; background: #fff; background-size: 100% 100%; box-shadow: 0 24px 64px rgba(0,0,0,.4);
  cursor: zoom-in; user-select: none; -webkit-user-select: none; -webkit-user-drag: none;
}
.pn-lb-stage.is-zoomed .pn-lb-img { cursor: grab; }
.pn-lb-stage.is-dragging .pn-lb-img { cursor: grabbing; }
.pn-lb-img.is-next { animation: pn-fade-in var(--dur-card) var(--ease-in); }

.pn-lb-btn {
  width: 48px; height: 48px; display: grid; place-items: center; padding: 0; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.25); background: rgba(255,255,255,.12); color: #fff;
  font-size: 22px; line-height: 1; cursor: pointer; transition: background-color var(--dur-color);
}
.pn-lb-btn:hover { background: rgba(255,255,255,.22); }
.pn-lb-btn:disabled { opacity: .4; cursor: default; }
.pn-lb-btn:focus-visible { outline-color: var(--focus-dark); }
.pn-lb-close { position: absolute; top: 20px; right: 20px; }
.pn-lb-zoombar { position: absolute; top: 20px; left: 20px; display: flex; align-items: center; gap: 8px; }
.pn-lb-zoomval { min-width: 56px; text-align: center; color: #fff; font-size: 14px; font-weight: 700; font-variant-numeric: tabular-nums; }
.pn-lb-pos { display: none; }
.pn-lb-side { position: absolute; top: calc(50% - 78px); width: 56px; height: 56px; }
.pn-lb-prev { left: 24px; }
.pn-lb-next { right: 24px; }

.pn-lb-bar {
  position: absolute; left: 50%; bottom: 20px; width: min(760px, calc(100% - 40px)); transform: translateX(-50%);
  display: flex; align-items: center; gap: 16px; padding: 12px 12px 12px 20px; border-radius: 18px;
  background: var(--glass-modal-bg); -webkit-backdrop-filter: var(--glass-modal-blur); backdrop-filter: var(--glass-modal-blur);
  border: 1px solid var(--color-line); box-shadow: var(--shadow-modal);
}
.pn-lb-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.pn-lb-title { font-size: 15px; line-height: 21px; font-weight: 700; color: var(--color-ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pn-lb-meta { font-size: 12px; line-height: 18px; color: var(--color-muted); }
.pn-lb-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.pn-lb-read, .pn-lb-share, .pn-lb-mini {
  height: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 0 16px; border-radius: 12px;
  font-size: 14px; font-weight: 700; white-space: nowrap; cursor: pointer;
}
.pn-lb-read { background: #1d4ed8; color: #fff; transition: background-color var(--dur-color); }
.pn-lb-read:hover { background: #2563eb; }
.pn-lb-share, .pn-lb-mini { border: 1px solid var(--color-line); background: var(--color-surface); color: var(--color-ink); }
.pn-lb-mini { display: none; width: 44px; padding: 0; }
.pn-lb-toast {
  position: absolute; left: 50%; bottom: 112px; transform: translateX(-50%); min-height: 44px; display: flex; align-items: center;
  padding: 0 16px; border-radius: 12px; background: #0f172a; color: #fff; font-size: 14px; line-height: 20px;
  animation: pn-rise var(--dur-card) var(--ease-in);
}
[data-theme="dark"] .pn-lb-toast { border: 1px solid rgba(148,163,184,.3); }

/* ================================================================ */
/* RESPONSIF                                                        */
/* ================================================================ */
@media (max-width: 1023px) {
  .pn-gal[data-cols="4"] { display: none; }
  .pn-gal[data-cols="3"] { display: flex; }
  .pn-gal-skeleton .pn-gal-col:nth-child(4) { display: none; }
}

@media (max-width: 767px) {
  .pn-kat-hint { display: none; }
  .pn-gal-section { gap: 20px; }
  /* Mockup 1b: dua kolom rapat, jarak tepi 12 px */
  .pn-gal[data-cols="3"] { display: none; }
  .pn-gal[data-cols="2"], .pn-gal-skeleton { display: flex; gap: 12px; margin-inline: calc(12px - var(--gutter)); }
  .pn-gal-skeleton .pn-gal-col:nth-child(n + 3) { display: none; }
  .pn-gal-col { gap: 16px; }
  .pn-gal-tile { gap: 6px; }
  .pn-gal-media { border-radius: 14px; box-shadow: none; }
  .pn-gal-title { font-size: 13px; line-height: 18px; }
  .pn-gal-more { gap: 8px; }
  .pn-gal-note { font-size: 12px; text-align: center; }
  .pn-gal-btn { width: 100%; min-width: 0; }

  .pn-lb-back { background: rgba(3,10,20,.94); }
  .pn-lb-stage { inset: 64px 0 calc(140px + env(safe-area-inset-bottom)); }
  .pn-lb-img { width: min(calc(100vw - 24px), calc((100dvh - 220px - env(safe-area-inset-bottom)) * var(--ar))); }
  .pn-lb-close { top: 12px; right: 12px; width: 44px; height: 44px; }
  .pn-lb-zoombar, .pn-lb-side { display: none; }
  .pn-lb-pos { display: block; position: absolute; top: 24px; left: 20px; color: #fff; font-size: 13px; line-height: 20px; font-weight: 700; font-variant-numeric: tabular-nums; }
  .pn-lb-bar {
    left: 10px; right: 10px; bottom: calc(14px + env(safe-area-inset-bottom)); width: auto; transform: none;
    flex-direction: column; align-items: stretch; gap: 10px; padding: 12px;
    animation: pn-rise var(--dur-panel) var(--ease-in);
  }
  .pn-lb-title { font-size: 14px; line-height: 19px; white-space: normal; }
  .pn-lb-meta-pos { display: none; }
  .pn-lb-actions { display: grid; grid-template-columns: 44px 1fr 1fr 44px; }
  .pn-lb-actions:not(:has(.pn-lb-mini)) { grid-template-columns: 1fr 1fr; }
  .pn-lb-mini { display: inline-flex; }
  .pn-lb-read, .pn-lb-share { padding: 0 8px; }
  .pn-lb-toast { left: 16px; right: 16px; bottom: calc(150px + env(safe-area-inset-bottom)); transform: none; }
}