/* ============================================================
   ギャラリー
   フロント（parts-gallery.php）と編集画面（外観 > ギャラリー）で
   同じCSSを使う。別々に書くと「編集画面ではきれいなのに本番で崩れる」
   ということが起きるため。
   ============================================================ */

.p-gallery {
  padding: 4rem 0 5rem;
}

.p-gallery__lead {
  max-width: 68rem;
  margin: 0 auto 2.5rem;
  padding: 0 5vw;
  text-align: center;
  line-height: 1.9;
}

/* ── 段組み ──────────────────────────────────────────────
   高さがまちまちの写真を隙間なく並べるため、CSSの段組みで
   縦に積む。grid だと同じ行の高さがそろってしまい、写真ごとに
   高さを変えたときに下側が空いてしまう。
   ------------------------------------------------------- */
.sof-gallery {
  --sof-gallery-cols: 3;
  --sof-gallery-gap: 1rem;

  column-count: var(--sof-gallery-cols);
  column-gap: var(--sof-gallery-gap);

  max-width: 100rem;
  margin: 0 auto;
  padding: 0 5vw;
}

@media screen and (max-width: 1024px) {
  .sof-gallery { --sof-gallery-cols: 2; }
}

@media screen and (max-width: 600px) {
  .sof-gallery {
    --sof-gallery-cols: 2;
    --sof-gallery-gap: .6rem;
  }
}

.sof-gallery__item {
  /* 段をまたいで分割されないようにする */
  break-inside: avoid;
  page-break-inside: avoid;

  display: block;
  width: 100%;
  margin: 0 0 var(--sof-gallery-gap);
  padding: 0;
  border: 0;
  border-radius: 10px;
  overflow: hidden;
  background: #eee;
  cursor: pointer;
  position: relative;

  /* 幅は段の幅で決まる。運営が指定するのは高さ（この比率）だけ */
  aspect-ratio: 1 / var(--sof-gallery-ratio, 1);

  transition: transform .25s ease, box-shadow .25s ease;
}

.sof-gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sof-gallery__item:hover,
.sof-gallery__item:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 8px 22px rgba(0, 0, 0, .18);
}

.sof-gallery__item:focus-visible {
  outline: 3px solid #2271b1;
  outline-offset: 2px;
}

/* aspect-ratio 非対応ブラウザでも潰れないようにする */
@supports not (aspect-ratio: 1 / 1) {
  .sof-gallery__item { min-height: 180px; }
}


/* ── ライトボックス ───────────────────────────────────── */
.sof-lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, .88);
  padding: 4vh 6vw;
}

.sof-lightbox[hidden] { display: none; }

.sof-lightbox__figure {
  margin: 0;
  max-width: 100%;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .8rem;
}

.sof-lightbox__img {
  max-width: 100%;
  max-height: 82vh;
  object-fit: contain;
  border-radius: 6px;
  /* 読み込み中に前の写真が残って見えるのを避ける */
  background: rgba(255, 255, 255, .06);
}

.sof-lightbox__count {
  color: #fff;
  font-size: 14px;
  letter-spacing: .05em;
}

.sof-lightbox__close,
.sof-lightbox__nav {
  position: absolute;
  background: rgba(0, 0, 0, .45);
  color: #fff;
  border: 0;
  cursor: pointer;
  line-height: 1;
  border-radius: 50%;
  transition: background .2s ease;
}

.sof-lightbox__close:hover,
.sof-lightbox__nav:hover {
  background: rgba(255, 255, 255, .28);
}

.sof-lightbox__close {
  top: 2vh;
  right: 3vw;
  width: 46px;
  height: 46px;
  font-size: 30px;
}

.sof-lightbox__nav {
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  font-size: 38px;
}

.sof-lightbox__nav--prev { left: 2vw; }
.sof-lightbox__nav--next { right: 2vw; }

/* 写真が1枚だけのときは送りボタンを出さない */
.sof-lightbox.is-single .sof-lightbox__nav { display: none; }

@media screen and (max-width: 600px) {
  .sof-lightbox { padding: 2vh 2vw; }
  .sof-lightbox__nav { width: 42px; height: 42px; font-size: 30px; }
  .sof-lightbox__close { width: 38px; height: 38px; font-size: 24px; }
}


/* ============================================================
   編集画面（外観 > ギャラリー）
   ============================================================ */

.sof-gallery-admin__stage {
  background: #f6f7f7;
  border: 1px solid #dcdcde;
  border-radius: 6px;
  padding: 1.2rem;
  margin: 1rem 0;
  min-height: 200px;
}

.sof-gallery-admin__cols {
  margin-left: 1.5rem;
}

.sof-gallery-admin__empty {
  text-align: center;
  color: #787c82;
  padding: 3rem 0;
  margin: 0;
}

.sof-gallery--edit {
  padding: 0;
  max-width: none;
}

/* 編集中は写真の下に操作欄が付くので、枠ごと段組みの対象にする */
.sof-gallery--edit .sof-gallery__edit {
  break-inside: avoid;
  page-break-inside: avoid;
  margin-bottom: var(--sof-gallery-gap);
  background: #fff;
  border: 1px solid #dcdcde;
  border-radius: 8px;
  overflow: hidden;
}

.sof-gallery--edit .sof-gallery__item {
  margin: 0;
  border-radius: 0;
  cursor: grab;
}

.sof-gallery--edit .sof-gallery__edit.is-dragging {
  opacity: .35;
}

.sof-gallery--edit .sof-gallery__edit.is-over {
  outline: 3px dashed #2271b1;
  outline-offset: -3px;
}

.sof-gallery__controls {
  padding: .55rem .7rem .7rem;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  font-size: 12px;
}

.sof-gallery__controls-row {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.sof-gallery__controls input[type="range"] {
  flex: 1;
  margin: 0;
}

.sof-gallery__ratio-value {
  min-width: 3.2em;
  text-align: right;
  color: #50575e;
  font-variant-numeric: tabular-nums;
}

.sof-gallery__handle {
  cursor: grab;
  color: #787c82;
  user-select: none;
  font-size: 14px;
}

.sof-gallery__order {
  color: #787c82;
  font-variant-numeric: tabular-nums;
}

.sof-gallery__controls .button-link-delete {
  margin-left: auto;
  color: #b32d2e;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}

.sof-gallery-admin__bar {
  position: sticky;
  bottom: 0;
  background: #fff;
  border-top: 1px solid #dcdcde;
  padding: 1rem 0;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sof-gallery-admin__status { color: #50575e; }
.sof-gallery-admin__status.is-error { color: #b32d2e; font-weight: 600; }
.sof-gallery-admin__status.is-ok    { color: #007017; font-weight: 600; }