/* ============================================================
   Smart Aspect Gallery — smart-gallery.css
   All templates + lightbox
   ============================================================ */

/* ── CSS Custom Properties ── */
:root {
  --sg-gap:        12px;
  --sg-radius:     4px;
  --sg-thumb-h:    180px;       /* filmstrip + spotlight rail height */
  --sg-card-h:     260px;       /* cards template fixed height */
  --sg-accent:     #111;
  --sg-caption-bg: rgba(0,0,0,.55);
  --sg-caption-fg: #fff;
  --sg-overlay-bg: rgba(0,0,0,.92);
  --sg-trans:      0.25s ease;
}

/* ── Base ── */
.sg-gallery *,
.sg-gallery *::before,
.sg-gallery *::after { box-sizing: border-box; }

.sg-gallery { width: 100%; margin: 1.5rem 0; }

.sg-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform var(--sg-trans), filter var(--sg-trans);
}
.sg-img:hover { transform: scale(1.03); filter: brightness(.9); }

.sg-lightbox-trigger { display: block; overflow: hidden; }

.sg-caption {
  font-size: .8rem;
  color: var(--sg-caption-fg);
  background: var(--sg-caption-bg);
  margin: 0;
  padding: .35rem .6rem;
}

.sg-error { color: red; font-family: monospace; }

/* ============================================================
   TEMPLATE: MOSAIC
   ============================================================ */
.sg-mosaic { display: flex; flex-direction: column; gap: var(--sg-gap); }

.sg-mosaic-row {
  display: flex;
  gap: var(--sg-gap);
  overflow: hidden;
  border-radius: var(--sg-radius);
}

/* Full-width landscape */
.sg-row--land-full { height: 420px; }
.sg-mosaic-land-full .sg-lightbox-trigger,
.sg-row--land-full > .sg-lightbox-trigger { width: 100%; height: 100%; }

/* Landscape (2/3) + portrait (1/3) */
.sg-row--land-port,
.sg-row--port-land { height: 380px; }
.sg-mosaic-land  { flex: 2; overflow: hidden; }
.sg-mosaic-port  { flex: 1; overflow: hidden; }
.sg-mosaic-land .sg-lightbox-trigger,
.sg-mosaic-port .sg-lightbox-trigger,
.sg-mosaic-land-full .sg-lightbox-trigger { height: 100%; width: 100%; }

/* 2 or 3 portrait columns */
.sg-row--2port { height: 380px; }
.sg-row--3port { height: 360px; }
.sg-row--2port .sg-mosaic-port,
.sg-row--3port .sg-mosaic-port { flex: 1; }

/* 1 lone portrait — cap at sensible width */
.sg-row--1port { height: 480px; justify-content: center; }
.sg-row--1port .sg-mosaic-port { width: 300px; flex: none; }


/* ============================================================
   TEMPLATE: FILMSTRIP
   ============================================================ */
.sg-filmstrip {
  position: relative;
  overflow: hidden;
  user-select: none;
}

.sg-filmstrip-track {
  display: flex;
  gap: var(--sg-gap);
  overflow-x: auto;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: #888 transparent;
  padding-bottom: 4px;
}
.sg-filmstrip-track::-webkit-scrollbar { height: 4px; }
.sg-filmstrip-track::-webkit-scrollbar-thumb { background: #888; border-radius: 4px; }

.sg-filmstrip-cell {
  flex: 0 0 auto;
  height: var(--sg-thumb-h);
  border-radius: var(--sg-radius);
  overflow: hidden;
}
.sg-filmstrip-cell.sg-orient--landscape { width: calc(var(--sg-thumb-h) * 16 / 9); }
.sg-filmstrip-cell.sg-orient--portrait  { width: calc(var(--sg-thumb-h) * 9 / 16); }

.sg-filmstrip-img,
.sg-filmstrip-cell .sg-lightbox-trigger { width: 100%; height: 100%; display: block; }

.sg-filmstrip-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,.55);
  color: #fff;
  border: none;
  width: 36px;
  height: 56px;
  font-size: 1.6rem;
  cursor: pointer;
  border-radius: var(--sg-radius);
  line-height: 1;
  transition: background var(--sg-trans);
  z-index: 2;
}
.sg-filmstrip-arrow:hover { background: rgba(0,0,0,.8); }
.sg-filmstrip-arrow--prev { left: 0; }
.sg-filmstrip-arrow--next { right: 0; }


/* ============================================================
   TEMPLATE: SPOTLIGHT
   ============================================================ */
.sg-spotlight {}

.sg-spotlight-stage { width: 100%; overflow: hidden; border-radius: var(--sg-radius); }

.sg-spotlight-main { width: 100%; position: relative; }
.sg-spotlight-main.sg-orient--landscape { aspect-ratio: 16/9; }
.sg-spotlight-main.sg-orient--portrait  { max-width: 450px; margin: 0 auto; aspect-ratio: 9/16; }

.sg-spotlight-hero { width: 100%; height: 100%; object-fit: cover; transition: opacity .3s; }

.sg-spotlight-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: .5rem .8rem;
  font-size: .85rem;
  background: var(--sg-caption-bg);
  color: var(--sg-caption-fg);
  margin: 0;
}

.sg-spotlight-thumbs {
  display: flex;
  gap: var(--sg-gap);
  margin-top: var(--sg-gap);
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.sg-spotlight-thumb {
  flex: 0 0 auto;
  height: var(--sg-thumb-h);
  border: 2px solid transparent;
  border-radius: var(--sg-radius);
  overflow: hidden;
  padding: 0;
  cursor: pointer;
  background: none;
  transition: border-color var(--sg-trans), opacity var(--sg-trans);
  opacity: .75;
}
.sg-spotlight-thumb.sg-orient--landscape { width: calc(var(--sg-thumb-h) * 16 / 9); }
.sg-spotlight-thumb.sg-orient--portrait  { width: calc(var(--sg-thumb-h) * 9 / 16); }

.sg-spotlight-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sg-spotlight-thumb:hover,
.sg-spotlight-thumb.is-active {
  border-color: var(--sg-accent);
  opacity: 1;
}


/* ============================================================
   TEMPLATE: CARDS
   ============================================================ */
.sg-cards {
  display: grid;
  gap: var(--sg-gap);
  grid-template-columns: repeat(var(--sg-columns, 3), 1fr);
}
.sg-cols-1 { --sg-columns: 1; }
.sg-cols-2 { --sg-columns: 2; }
.sg-cols-3 { --sg-columns: 3; }
.sg-cols-4 { --sg-columns: 4; }
.sg-cols-5 { --sg-columns: 5; }

.sg-card {
  border-radius: var(--sg-radius);
  overflow: hidden;
  background: #f5f5f5;
  display: flex;
  flex-direction: column;
}

.sg-card .sg-lightbox-trigger {
  display: block;
  height: var(--sg-card-h);
  overflow: hidden;
}
.sg-card-img { height: 100%; }

/* Portrait cards: show top of image (faces, subjects) */
.sg-card.sg-orient--portrait .sg-img { object-position: top center; }

.sg-card-footer { padding: .5rem .6rem; background: #fff; }
.sg-card-caption { margin: 0; font-size: .8rem; color: #555; }


/* ============================================================
   TEMPLATE: MASONRY
   ============================================================ */
.sg-masonry {
  column-gap: var(--sg-gap);
  column-fill: balance;
}
.sg-masonry-cols-2 { columns: 2; }
.sg-masonry-cols-3 { columns: 3; }
.sg-masonry-cols-4 { columns: 4; }

.sg-masonry-item {
  break-inside: avoid;
  margin-bottom: var(--sg-gap);
  border-radius: var(--sg-radius);
  overflow: hidden;
}

.sg-masonry .sg-lightbox-trigger { display: block; }
.sg-masonry-img { height: auto; object-fit: unset; }
.sg-masonry-caption { padding: .35rem .5rem; font-size: .78rem; background: #f0f0f0; margin: 0; }


/* ============================================================
   TEMPLATE: EDITORIAL
   ============================================================ */
.sg-editorial { display: flex; flex-direction: column; gap: calc(var(--sg-gap) * 2); }

.sg-editorial-block { overflow: hidden; border-radius: var(--sg-radius); }

/* Hero — full width landscape */
.sg-editorial-block--hero { position: relative; aspect-ratio: 16/9; }
.sg-editorial-hero-img { height: 100%; }
.sg-editorial-block--hero .sg-lightbox-trigger { height: 100%; display: block; }
.sg-editorial-block--hero .sg-editorial-caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  margin: 0; padding: .6rem 1rem;
  background: var(--sg-caption-bg); color: var(--sg-caption-fg); font-size: .85rem;
}

/* Duo — two portrait panels */
.sg-editorial-block--duo {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--sg-gap);
  align-items: start;
}
.sg-editorial-block--duo.sg-editorial-block--flip {
  grid-template-columns: 1fr 2fr;
}
.sg-editorial-block--duo.sg-editorial-block--flip .sg-editorial-main    { order: 2; }
.sg-editorial-block--duo.sg-editorial-block--flip .sg-editorial-secondary { order: 1; }

.sg-editorial-main,
.sg-editorial-secondary { overflow: hidden; border-radius: var(--sg-radius); }

.sg-editorial-port-main { aspect-ratio: 9/16; }
.sg-editorial-port-secondary { aspect-ratio: 9/16; }
.sg-editorial-port-main .sg-lightbox-trigger,
.sg-editorial-port-secondary .sg-lightbox-trigger { display: block; height: 100%; }

.sg-editorial-caption { font-size: .8rem; color: #555; margin: .3rem 0 0; }

/* Solo portrait */
.sg-editorial-block--solo-port { max-width: 380px; margin: 0 auto; }
.sg-editorial-port-solo { aspect-ratio: 9/16; width: 100%; }
.sg-editorial-port-solo .sg-lightbox-trigger { display: block; height: 100%; }


/* ============================================================
   LIGHTBOX
   ============================================================ */
.sg-lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: var(--sg-overlay-bg);
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
.sg-lightbox-overlay.is-open { display: flex; }

.sg-lightbox-frame {
  position: relative;
  max-width: 92vw;
  max-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sg-lightbox-frame.sg-orient--landscape { width: min(1200px, 92vw); }
.sg-lightbox-frame.sg-orient--portrait  { width: min(480px, 60vw); }

@media (max-width: 600px) {
  .sg-lightbox-frame.sg-orient--portrait { width: 80vw; }
}

.sg-lightbox-frame img {
  max-width: 100%;
  max-height: 88vh;
  width: auto;
  height: auto;
  display: block;
  border-radius: 2px;
}

.sg-lightbox-caption {
  color: #ccc;
  font-size: .85rem;
  margin-top: .6rem;
  text-align: center;
  max-width: 560px;
}

.sg-lightbox-close {
  position: fixed;
  top: 1rem; right: 1.2rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  opacity: .8;
  transition: opacity var(--sg-trans);
}
.sg-lightbox-close:hover { opacity: 1; }

.sg-lightbox-nav {
  position: fixed;
  top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,.12);
  border: none;
  color: #fff;
  font-size: 2.5rem;
  width: 48px;
  height: 80px;
  cursor: pointer;
  border-radius: var(--sg-radius);
  transition: background var(--sg-trans);
}
.sg-lightbox-nav:hover { background: rgba(255,255,255,.25); }
.sg-lightbox-nav--prev { left: .5rem; }
.sg-lightbox-nav--next { right: .5rem; }


/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .sg-row--land-port,
  .sg-row--port-land,
  .sg-row--3port { flex-direction: column; height: auto; }
  .sg-mosaic-land,
  .sg-mosaic-port { flex: none; width: 100%; height: 220px; }

  .sg-cards { grid-template-columns: repeat(2, 1fr) !important; }

  .sg-masonry { columns: 2 !important; }

  .sg-editorial-block--duo { grid-template-columns: 1fr !important; }
  .sg-editorial-block--duo > * { order: unset !important; }

  .sg-lightbox-nav { display: none; }
}

@media (max-width: 480px) {
  .sg-cards  { grid-template-columns: 1fr !important; }
  .sg-masonry { columns: 1 !important; }
}