/*
 * LINEUP記事用ギャラリー（メイン＋サムネイル切替＋拡大表示）
 * js/lineup-gallery.js が .wp-block-gallery を変換して使用する
 */

/* 変換後は元のギャラリーブロックを隠す */
.wp-block-gallery.is-lineup-gallery-source {
  display: none;
}

.lineup-gallery {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 2rem;
}

/* メイン画像 */
.lineup-gallery__main {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  padding: 0;
  border: none;
  border-radius: 12px;
  overflow: hidden;
  background: #f0f0f0;
  cursor: zoom-in;
}

.lineup-gallery__main img {
  display: block;
  width: 100%;
  height: 100%;
  margin: 0; /* テーマ側の記事内img用マージンを打ち消す */
  object-fit: cover;
  transition: opacity 0.25s ease;
}

.lineup-gallery__main.is-switching img {
  opacity: 0;
}

/* 拡大ヒントアイコン */
.lineup-gallery__zoom {
  position: absolute;
  right: clamp(10px, 1.5vw, 14px);
  bottom: clamp(10px, 1.5vw, 14px);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  pointer-events: none;
}

.lineup-gallery__zoom svg {
  width: 20px;
  height: 20px;
}

/* サムネイル列 */
.lineup-gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(clamp(70px, 16vw, 110px), 1fr));
  gap: clamp(6px, 1.2vw, 10px);
  margin-top: clamp(8px, 1.5vw, 12px);
}

.lineup-gallery__thumb {
  padding: 0;
  border: 2px solid transparent;
  border-radius: 8px;
  overflow: hidden;
  background: #f0f0f0;
  aspect-ratio: 4 / 3;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s ease, border-color 0.2s ease;
}

.lineup-gallery__thumb:hover {
  opacity: 1;
}

.lineup-gallery__thumb.is-active {
  border-color: #009f92;
  opacity: 1;
}

.lineup-gallery__thumb img {
  display: block;
  width: 100%;
  height: 100%;
  margin: 0; /* テーマ側の記事内img用マージンを打ち消す */
  object-fit: cover;
}

/* ライトボックス（拡大表示） */
.lineup-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.92);
}

.lineup-lightbox.is-open {
  display: flex;
}

.lineup-lightbox__img {
  max-width: 92vw;
  max-height: 82vh;
  object-fit: contain;
  border-radius: 4px;
}

.lineup-lightbox__close,
.lineup-lightbox__prev,
.lineup-lightbox__next {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  cursor: pointer;
  transition: background 0.2s ease;
}

.lineup-lightbox__close:hover,
.lineup-lightbox__prev:hover,
.lineup-lightbox__next:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lineup-lightbox__close svg,
.lineup-lightbox__prev svg,
.lineup-lightbox__next svg {
  width: 22px;
  height: 22px;
}

.lineup-lightbox__close {
  top: clamp(12px, 3vw, 24px);
  right: clamp(12px, 3vw, 24px);
}

.lineup-lightbox__prev {
  left: clamp(8px, 2vw, 24px);
  top: 50%;
  transform: translateY(-50%);
}

.lineup-lightbox__next {
  right: clamp(8px, 2vw, 24px);
  top: 50%;
  transform: translateY(-50%);
}

.lineup-lightbox__count {
  position: absolute;
  bottom: clamp(12px, 3vw, 24px);
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 16px;
  letter-spacing: 0.05em;
}