/**
 * Gallery page — filterable masonry + lightbox.
 * Built on the design-system tokens in styles.css so it matches brand.
 * Per-category brand colour is passed in as --cat on filters and tiles.
 * @package ishyo
 */

/* ---- Toolbar / filter pills ---- */
.gallery-toolbar{
  display:flex;
  justify-content:center;
  margin:0 0 40px;
}
.gallery-filters{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:center;
}
.g-filter{
  --cat:var(--purple);
  display:inline-flex;
  align-items:center;
  gap:.55em;
  font-family:var(--font-head);
  font-weight:600;
  font-size:1.02rem;
  letter-spacing:.02em;
  text-transform:uppercase;
  color:var(--navy);
  background:var(--white);
  border:2px solid rgba(27,57,103,.14);
  border-radius:999px;
  padding:.5em 1.1em;
  cursor:pointer;
  transition:color .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.g-dot{
  width:.62em;
  height:.62em;
  border-radius:50%;
  background:var(--cat);
  box-shadow:0 0 0 3px color-mix(in srgb,var(--cat) 22%,transparent);
}
.g-count{
  font-size:.82em;
  font-weight:700;
  color:var(--ink-soft);
  background:var(--cream);
  border-radius:999px;
  padding:.05em .5em;
  min-width:1.6em;
  text-align:center;
  font-variant-numeric:tabular-nums;
  transition:color .25s var(--ease),background .25s var(--ease);
}
.g-filter:hover{
  border-color:var(--cat);
  color:var(--cat);
  transform:translateY(-2px);
  box-shadow:var(--shadow-sm);
}
.g-filter.is-active{
  background:var(--cat);
  border-color:var(--cat);
  color:var(--white);
}
.g-filter.is-active .g-count{ background:rgba(255,255,255,.28); color:var(--white); }
.g-filter.is-active .g-dot{ background:var(--white); box-shadow:0 0 0 3px rgba(255,255,255,.3); }
.g-filter:focus-visible{ outline:3px solid var(--amber); outline-offset:2px; }

/* ---- Masonry grid (CSS columns handles mixed portrait/landscape) ---- */
.gallery-grid{
  column-count:3;
  column-gap:20px;
}
@media (max-width:900px){ .gallery-grid{ column-count:2; } }
@media (max-width:560px){ .gallery-grid{ column-count:1; } }

.g-item{
  --cat:var(--purple);
  break-inside:avoid;
  margin:0 0 20px;
}
.g-item[hidden]{ display:none; }

.g-open{
  display:block;
  width:100%;
  padding:0;
  border:0;
  background:var(--navy-deep);
  border-radius:var(--radius);
  overflow:hidden;
  position:relative;
  cursor:zoom-in;
  box-shadow:var(--shadow-sm);
  transition:transform .38s var(--ease),box-shadow .38s var(--ease);
}
.g-open img{
  display:block;
  width:100%;
  height:auto;
  border-radius:var(--radius);
  transition:transform .55s var(--ease);
}
.g-open::after{ /* top brand accent bar */
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:4px;
  background:var(--cat);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .4s var(--ease);
  z-index:3;
}
.g-open:hover,
.g-open:focus-visible{
  transform:translateY(-5px);
  box-shadow:var(--shadow-md);
}
.g-open:hover img,
.g-open:focus-visible img{ transform:scale(1.06); }
.g-open:hover::after,
.g-open:focus-visible::after{ transform:scaleX(1); }
.g-open:focus-visible{ outline:3px solid var(--amber); outline-offset:3px; }

/* Hover scrim + overlay bits */
.g-scrim{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(20,27,45,.72) 100%);
  opacity:0;
  transition:opacity .35s var(--ease);
  z-index:1;
}
.g-tag{
  position:absolute;
  left:14px;
  top:14px;
  z-index:2;
  font-family:var(--font-head);
  font-weight:600;
  font-size:.82rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--white);
  background:color-mix(in srgb,var(--cat) 90%,black 4%);
  padding:.32em .8em;
  border-radius:999px;
  opacity:0;
  transform:translateY(-6px);
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.g-cap{
  position:absolute;
  left:16px;
  right:16px;
  bottom:16px;
  z-index:2;
  color:var(--white);
  font-family:var(--font-body);
  font-size:.92rem;
  line-height:1.35;
  opacity:0;
  transform:translateY(8px);
  transition:opacity .3s var(--ease) .04s,transform .3s var(--ease) .04s;
}
.g-zoom{
  position:absolute;
  right:14px;
  bottom:14px;
  z-index:2;
  width:38px;
  height:38px;
  display:grid;
  place-items:center;
  color:var(--navy);
  background:rgba(255,255,255,.92);
  border-radius:50%;
  opacity:0;
  transform:scale(.8);
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.g-zoom svg{ width:18px; height:18px; }
.g-cap ~ .g-zoom{ display:none; } /* caption present → hide zoom to avoid overlap */
.g-open:hover .g-scrim,
.g-open:focus-visible .g-scrim{ opacity:1; }
.g-open:hover .g-tag,
.g-open:focus-visible .g-tag{ opacity:1; transform:none; }
.g-open:hover .g-cap,
.g-open:focus-visible .g-cap{ opacity:1; transform:none; }
.g-open:hover .g-zoom,
.g-open:focus-visible .g-zoom{ opacity:1; transform:none; }

.gallery-empty{
  text-align:center;
  color:var(--ink-soft);
  font-size:1.1rem;
  padding:40px 0;
}

/* ---- Lightbox ---- */
.g-lightbox{
  position:fixed;
  inset:0;
  z-index:1000;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:clamp(12px,4vw,48px);
  background:rgba(20,27,45,.93);
  backdrop-filter:blur(6px);
  opacity:0;
  transition:opacity .3s var(--ease);
}
.g-lightbox.is-open{ opacity:1; }
.g-lightbox[hidden]{ display:none; }

.g-lb-stage{
  margin:0;
  max-width:min(1160px,92vw);
  max-height:88vh;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
}
#g-lb-img{
  max-width:100%;
  max-height:78vh;
  width:auto;
  height:auto;
  border-radius:var(--radius);
  box-shadow:var(--shadow-lg);
  background:var(--navy-deep);
}
.g-lb-meta{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  justify-content:center;
  color:rgba(255,255,255,.85);
}
.g-lb-chip{
  --cat:var(--purple);
  font-family:var(--font-head);
  font-weight:600;
  letter-spacing:.06em;
  text-transform:uppercase;
  font-size:.8rem;
  color:var(--white);
  background:var(--cat);
  padding:.3em .8em;
  border-radius:999px;
}
.g-lb-cap{ font-size:.98rem; }
.g-lb-cap[hidden]{ display:none; }
.g-lb-count{
  font-family:var(--font-head);
  font-weight:600;
  font-size:.85rem;
  letter-spacing:.05em;
  color:rgba(255,255,255,.6);
  font-variant-numeric:tabular-nums;
}

.g-lb-close,
.g-lb-nav{
  flex:0 0 auto;
  display:grid;
  place-items:center;
  color:var(--white);
  background:rgba(255,255,255,.12);
  border:2px solid rgba(255,255,255,.25);
  border-radius:999px;
  cursor:pointer;
  transition:background .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);
}
.g-lb-nav{ width:56px; height:56px; font-size:2rem; line-height:1; }
.g-lb-close{
  position:absolute;
  top:clamp(12px,3vw,28px);
  right:clamp(12px,3vw,28px);
  width:48px; height:48px;
  font-size:1.9rem; line-height:1;
}
.g-lb-close:hover,
.g-lb-nav:hover{ background:var(--purple); border-color:var(--purple); transform:scale(1.06); }
.g-lb-close:focus-visible,
.g-lb-nav:focus-visible{ outline:3px solid var(--amber); outline-offset:2px; }

@media (max-width:560px){
  .g-lb-nav{ width:44px; height:44px; font-size:1.6rem; }
}

@media (prefers-reduced-motion:reduce){
  .g-filter,.g-open,.g-open img,.g-open::after,.g-scrim,.g-tag,.g-cap,.g-zoom,
  .g-lightbox,.g-lb-close,.g-lb-nav,.g-count{ transition:none; }
  .g-open:hover,.g-open:focus-visible{ transform:none; }
  .g-open:hover img,.g-open:focus-visible img{ transform:none; }
}