/* === gallery.css — Gallery page (masonry by continent + lightbox) ===
   Globals (vars, fonts, navbar, footer, reveal, .journal__filter) stay in
   css/style.css. CI: cream / rust / Old Standard TT + Anuphan/JS Pumpuang. */

.gallery-pg { padding: 0 0 clamp(3rem, 7vw, 6rem); }

/* Header */
.gallery-pg__head {
  max-width: var(--container-wide, 1280px);
  margin: 0 auto clamp(1.5rem, 3vw, 2.5rem);
  padding: 0 var(--gutter, 1.5rem);
}
.gallery-pg__eyebrow {
  display: block;
  font-family: "Anuphan", system-ui, sans-serif;
  font-weight: 500; font-size: 0.8rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--c-rust, #7C3C1B);
  margin-bottom: 1rem;
}
.gallery-pg__title {
  font-family: var(--font-en-serif, "Old Standard TT", serif);
  font-weight: 400; font-size: clamp(2rem, 4.5vw, 3.5rem); line-height: 1.1; margin: 0;
}
.gallery-pg__title em { font-style: italic; }
.gallery-pg__title-th { font-family: "JS Pumpuang", "Old Standard TT", serif; }

/* Filter tabs reuse .journal__filters / .journal__filter from style.css */
.gallery-pg__filters {
  max-width: var(--container-wide, 1280px);
  margin: 0 auto clamp(1.5rem, 3vw, 2.5rem);
  padding: clamp(2rem, 5vw, 4rem) var(--gutter, 1.5rem) 0;
}

/* Uniform grid — ทุกช่องขนาดเท่ากัน (ไม่ใช่ masonry ลดหลั่น) */
.gallery-pg__grid {
  max-width: var(--container-wide, 1280px);
  margin: 0 auto;
  padding: 0 var(--gutter, 1.5rem);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.5rem, 1vw, 1rem);
}
@media (max-width: 1100px) { .gallery-pg__grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px)  { .gallery-pg__grid { grid-template-columns: repeat(2, 1fr); } }
/* มือถือ: คงไว้ 2 รูปต่อแถว */
@media (max-width: 440px)  { .gallery-pg__grid { grid-template-columns: repeat(2, 1fr); gap: 0.5rem; } }

.gallery-pg__item {
  margin: 0;
  display: block;
  width: 100%;
  cursor: zoom-in;
}
.gallery-pg__media {
  position: relative;
  overflow: hidden;
  background: rgba(24,23,21,0.06);
  aspect-ratio: 1 / 1;
}
.gallery-pg__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0;
  transition: transform 0.45s var(--ease, ease), opacity 0.5s ease;
}
/* Fade in once the image has actually loaded — ลดอาการป๊อป/กระตุก */
.gallery-pg__media img.is-loaded { opacity: 1; }
/* Hover zoom — เบาลง (1.04 → 1.02) */
.gallery-pg__item:hover .gallery-pg__media img.is-loaded { transform: scale(1.02); }

@media (prefers-reduced-motion: reduce) {
  .gallery-pg__media img { transition: opacity 0.3s ease; }
  .gallery-pg__item:hover .gallery-pg__media img.is-loaded { transform: none; }
}

/* Caption overlaid on the image — place name + country (bottom-left) */
.gallery-pg__cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: clamp(2.5rem, 6vw, 4rem) 1.1rem 1rem;
  background: linear-gradient(to top, rgba(24,23,21,0.78) 0%, rgba(24,23,21,0.35) 45%, rgba(24,23,21,0) 100%);
  pointer-events: none;
}
.gallery-pg__place {
  display: block;
  font-family: var(--font-en-serif, "Old Standard TT", serif);
  font-size: 1.25rem;
  line-height: 1.2;
  color: var(--c-cream, #EEEEE5);
}
.gallery-pg__place .show-th { font-family: "Anuphan", system-ui, sans-serif; font-weight: 500; }
.gallery-pg__country {
  display: block;
  margin-top: 0.35rem;
  font-family: "Anuphan", system-ui, sans-serif;
  font-weight: 500;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(238,238,229,0.85);
}
.gallery-pg__count {
  max-width: var(--container-wide, 1280px);
  margin: 1.5rem auto 0!important; padding: 0 var(--gutter, 1.5rem);
  font-family: "Anuphan", sans-serif; font-weight: 300; font-size: 0.8rem;
  letter-spacing: 0.04em; opacity: 0.6;
}
/* See more button */
.gallery-pg__more {
  display: block;
  margin: clamp(2rem, 4vw, 3rem) auto 0;
  background: transparent;
  border: 1px solid var(--ink, #181715);
  color: var(--ink, #181715);
  font-family: "Anuphan", system-ui, sans-serif; font-weight: 500;
  font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase;
  padding: 0.95rem 2.4rem; cursor: pointer;
  transition: background .25s ease, color .25s ease;
}
.gallery-pg__more:hover { background: var(--ink, #181715); color: var(--c-cream, #EEEEE5); }

/* Lightbox */
.gallery-lb {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(18,17,16,0.94);
  display: none; align-items: center; justify-content: center;
}
.gallery-lb.is-open { display: flex; flex-direction: column; }
/* พื้นที่แสดงรูปหลัก - เว้นที่ให้แคปชัน/ตัวนับ/แถบภาพย่อด้านล่าง */
.gallery-lb__stage {
  flex: 1 1 auto; min-height: 0; width: 100%;
  display: flex; align-items: center; justify-content: center;
  padding: clamp(0.75rem, 3vw, 2rem) clamp(3.5rem, 9vw, 6rem) 0;
}
.gallery-lb img {
  max-width: 100%; max-height: 100%; object-fit: contain;
  box-shadow: 0 10px 50px rgba(0,0,0,0.5);
}
.gallery-lb__btn {
  position: absolute; top: 42%; transform: translateY(-50%);
  background: rgba(24,23,21,0.55); border: 1px solid rgba(238,238,229,0.55);
  color: var(--c-cream, #EEEEE5);
  width: 54px; height: 54px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 1.6rem; line-height: 1;
  backdrop-filter: blur(2px);
  transition: background .2s ease, transform .15s ease;
}
.gallery-lb__btn:hover { background: rgba(238,238,229,0.9); color: var(--ink, #181715); }
.gallery-lb__btn:active { transform: translateY(-50%) scale(0.94); }
.gallery-lb__prev { left: clamp(0.5rem, 2.5vw, 2rem); }
.gallery-lb__next { right: clamp(0.5rem, 2.5vw, 2rem); }
/* อัลบั้มรูปเดียว: ไม่ต้องมีลูกศร ตัวนับ หรือแถบภาพย่อ */
.gallery-lb.is-single .gallery-lb__btn,
.gallery-lb.is-single .gallery-lb__counter,
.gallery-lb.is-single .gallery-lb__thumbs { display: none; }
.gallery-lb__close {
  position: absolute; top: clamp(1rem, 3vw, 2rem); right: clamp(1rem, 3vw, 2rem); z-index: 3;
  background: rgba(24,23,21,0.55); border: 1px solid rgba(238,238,229,0.4);
  width: 42px; height: 42px; border-radius: 50%;
  color: var(--c-cream, #EEEEE5);
  font-size: 1.6rem; line-height: 1; cursor: pointer; opacity: 0.9;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s ease, opacity .2s ease;
}
.gallery-lb__close:hover { opacity: 1; background: rgba(238,238,229,0.9); color: var(--ink, #181715); }
.gallery-lb__caption {
  flex: 0 0 auto; text-align: center; color: var(--c-cream, #EEEEE5);
  padding: 0.7rem 1rem 0.15rem;
  font-family: var(--font-en-serif, "Old Standard TT", serif); font-size: 1.05rem; letter-spacing: 0.02em;
}
.gallery-lb__caption .show-th { font-family: "Anuphan", sans-serif; }
.gallery-lb__counter {
  flex: 0 0 auto; text-align: center;
  color: var(--c-cream, #EEEEE5);
  font-family: "Anuphan", sans-serif; font-size: 0.82rem; letter-spacing: 0.12em;
}
/* แถบภาพย่อ - สื่อชัดว่าอัลบั้มมีหลายรูป และกดเพื่อข้ามไปรูปใดก็ได้ */
.gallery-lb__thumbs {
  flex: 0 0 auto;
  display: flex; gap: 8px; justify-content: flex-start; align-items: center;
  max-width: min(92vw, 1100px); margin: 0.6rem auto clamp(0.75rem, 2.5vw, 1.4rem);
  padding: 4px 6px; overflow-x: auto; overflow-y: hidden;
  scroll-snap-type: x proximity; -webkit-overflow-scrolling: touch;
}
.gallery-lb__thumbs::-webkit-scrollbar { height: 6px; }
.gallery-lb__thumbs::-webkit-scrollbar-thumb { background: rgba(238,238,229,0.3); border-radius: 3px; }
.gallery-lb__thumb {
  flex: 0 0 auto; width: 64px; height: 48px; padding: 0;
  border: 2px solid rgba(238,238,229,0.28);
  border-radius: 4px; overflow: hidden; cursor: pointer; background: rgba(238,238,229,0.08);
  opacity: 0.7; transition: opacity .2s ease, border-color .2s ease; scroll-snap-align: center;
}
.gallery-lb__thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.gallery-lb__thumb:hover { opacity: 0.85; }
.gallery-lb__thumb.is-active { opacity: 1; border-color: var(--c-cream, #EEEEE5); }

@media (max-width: 1024px) {.gallery-lb__close {top:50px;}}
@media (max-width: 768px) {.gallery-lb__close {top:65px;}}
@media (max-width: 600px) {
  .gallery-lb__btn { width: 44px; height: 44px; font-size: 1.35rem; }
  .gallery-lb__thumb { width: 52px; height: 40px; }
  .gallery-lb__stage { padding-left: clamp(2.5rem, 12vw, 3.5rem); padding-right: clamp(2.5rem, 12vw, 3.5rem); }
}