/* =========================================================
   Chao Gallery — 暗色作品畫廊（自帶樣式，不依賴主題）
   ========================================================= */
.cg{
  --cg-accent:#c9a35b;
  --cg-ink:#f4f4f2;
  --cg-muted:#8a8a92;
  --cg-card:#141418;
  --cg-line:rgba(255,255,255,.10);
  --cg-cols:3;
  --cg-gap:18px;
  --cg-ease:cubic-bezier(.22,.61,.36,1);
  position:relative;
}
.cg *{box-sizing:border-box}
.cg-empty{color:var(--cg-muted);text-align:center;padding:40px 0}

/* ---------- 篩選列 ---------- */
.cg-filters{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 26px}
.cg-f{background:transparent;border:1px solid var(--cg-line);color:var(--cg-muted);
  padding:8px 18px;border-radius:100px;font-size:13px;letter-spacing:.04em;cursor:pointer;
  transition:.3s var(--cg-ease);font-family:inherit}
.cg-f:hover{color:var(--cg-ink);border-color:rgba(255,255,255,.32)}
.cg-f.active{background:var(--cg-accent);color:#111;border-color:var(--cg-accent)}

/* ---------- 項目共用 ---------- */
.cg-item{position:relative;display:block;overflow:hidden;border-radius:5px;background:transparent;
  text-decoration:none;font-size:0;line-height:0;opacity:0;transform:translateY(28px);
  transition:opacity .7s var(--cg-ease),transform .7s var(--cg-ease)}
.cg-item.cg-in{opacity:1;transform:none}
.cg-item.cg-hide{display:none}
.cg-img{display:block;width:100%;height:100%;overflow:hidden;line-height:0;font-size:0}
.cg-img img{display:block;width:100%;height:100%;object-fit:cover;vertical-align:top;
  transition:transform .45s var(--cg-ease),filter .3s;filter:grayscale(.12) brightness(.92)}
/* 磚牆：圖片用自然高度 */
.cg[data-layout="masonry"] .cg-img img{height:auto}
.cg-item:hover .cg-img img{transform:scale(1.06);filter:none}
/* 智慧裁切：需裁切的版面（grid/metro/editorial/carousel）依方向調整取景，
   直幅偏上保留主體/臉、橫幅略偏中上，減少切到重點 */
.cg-item[data-orient="port"] .cg-img img{object-position:center 28%}
.cg-item[data-orient="land"] .cg-img img{object-position:center 45%}
.cg-item[data-orient="sq"]   .cg-img img{object-position:center}
.cg-meta{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  padding:18px;background:linear-gradient(transparent 45%,rgba(0,0,0,.72));
  opacity:0;transition:opacity .25s var(--cg-ease)}
.cg-item:hover .cg-meta{opacity:1}
.cg-cat{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--cg-accent)}
.cg-title{font-size:17px;color:var(--cg-ink);margin-top:4px}

/* ---------- 1. 磚牆 Masonry ---------- */
.cg[data-layout="masonry"] .cg-grid{columns:var(--cg-cols);column-gap:var(--cg-gap)}
.cg[data-layout="masonry"] .cg-item{break-inside:avoid;margin-bottom:var(--cg-gap);width:100%}

/* ---------- 2. 整齊網格 Grid ---------- */
.cg[data-layout="grid"] .cg-grid{display:grid;
  grid-template-columns:repeat(var(--cg-cols),1fr);gap:var(--cg-gap)}
.cg[data-layout="grid"] .cg-item{aspect-ratio:1/1}

/* ---------- 3. 齊高排版 Justified（JS 設寬度） ---------- */
.cg[data-layout="justified"] .cg-grid{display:flex;flex-wrap:wrap;gap:var(--cg-gap)}
.cg[data-layout="justified"] .cg-item{height:260px;flex:0 0 auto}
.cg[data-layout="justified"] .cg-item .cg-img img{height:260px}

/* ---------- 4. 輪播 Carousel ---------- */
.cg[data-layout="carousel"] .cg-grid{display:flex;gap:var(--cg-gap);overflow-x:auto;
  scroll-snap-type:x mandatory;scroll-behavior:smooth;padding-bottom:8px;
  scrollbar-width:thin;scrollbar-color:var(--cg-line) transparent}
.cg[data-layout="carousel"] .cg-grid::-webkit-scrollbar{height:6px}
.cg[data-layout="carousel"] .cg-grid::-webkit-scrollbar-thumb{background:var(--cg-line);border-radius:10px}
.cg[data-layout="carousel"] .cg-item{flex:0 0 calc((100% - (var(--cg-cols) - 1) * var(--cg-gap)) / var(--cg-cols));
  scroll-snap-align:start;aspect-ratio:4/5}
.cg-nav{display:flex;gap:10px;justify-content:flex-end;margin-top:14px}
.cg-nav button{width:44px;height:44px;border-radius:50%;border:1px solid var(--cg-line);
  background:transparent;color:var(--cg-ink);font-size:20px;cursor:pointer;transition:.3s var(--cg-ease)}
.cg-nav button:hover{background:var(--cg-accent);color:#111;border-color:var(--cg-accent)}

/* ---------- 5. Metro 馬賽克（大小磚交錯） ----------
   grid-auto-rows 與磚塊大小（span）由 JS 隨機指派；未跑 JS 時退化為等高正方格 */
.cg[data-layout="metro"] .cg-grid{display:grid;grid-template-columns:repeat(var(--cg-cols),1fr);
  grid-auto-rows:220px;grid-auto-flow:dense;gap:var(--cg-gap)}

/* ---------- 6. 雜誌錯落 Editorial ---------- */
.cg[data-layout="editorial"] .cg-grid{display:grid;
  grid-template-columns:repeat(var(--cg-cols),1fr);gap:calc(var(--cg-gap) * 2) var(--cg-gap);
  align-items:start}
.cg[data-layout="editorial"] .cg-item{aspect-ratio:4/5}
.cg[data-layout="editorial"] .cg-item:nth-child(3n+2){margin-top:calc(var(--cg-gap) * 3)}
.cg[data-layout="editorial"] .cg-item:nth-child(3n){margin-top:calc(var(--cg-gap) * 1.5);aspect-ratio:3/4}
@media(max-width:640px){.cg[data-layout="editorial"] .cg-item{margin-top:0!important}}

/* 響應式欄數收斂 */
@media(max-width:900px){
  .cg[data-layout="masonry"] .cg-grid{columns:2}
  .cg[data-layout="grid"] .cg-grid,
  .cg[data-layout="metro"] .cg-grid,
  .cg[data-layout="editorial"] .cg-grid{grid-template-columns:repeat(2,1fr)}
  .cg[data-layout="carousel"] .cg-item{flex-basis:70%}
}
@media(max-width:560px){
  .cg[data-layout="masonry"] .cg-grid{columns:1}
  .cg[data-layout="grid"] .cg-grid,
  .cg[data-layout="metro"] .cg-grid,
  .cg[data-layout="editorial"] .cg-grid{grid-template-columns:1fr}
  .cg[data-layout="carousel"] .cg-item{flex-basis:86%}
  .cg[data-layout="metro"] .cg-item:nth-child(6n+1){grid-column:span 1}
}

/* ---------- 燈箱 ---------- */
.cg-lightbox{position:fixed;inset:0;z-index:99999;background:rgba(6,6,8,.96);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;
  transition:opacity .4s var(--cg-ease,cubic-bezier(.22,.61,.36,1)))}
.cg-lightbox.open{opacity:1;pointer-events:auto}
/* 圖片 + 說明用垂直排列並完整縮放，避免被裁切 */
.cg-lb-fig{margin:0;display:flex;flex-direction:column;align-items:center;gap:12px;
  max-width:92vw;max-height:92vh}
.cg-lb-fig img{max-width:92vw;max-height:80vh;width:auto;height:auto;object-fit:contain;border-radius:3px;
  transform:scale(.96);transition:transform .5s cubic-bezier(.22,.61,.36,1)}
.cg-lightbox.open .cg-lb-fig img{transform:scale(1)}
.cg-lb-cap{position:static;text-align:center;font-size:13px;color:#8a8a92;
  font-family:"Helvetica Neue","PingFang TC","Noto Sans TC",system-ui,sans-serif}
.cg-lb-cap b{color:#f4f4f2;font-weight:500}
.cg-lb-exif{position:static;text-align:center;font-size:11.5px;letter-spacing:.06em;color:#9a9aa2;
  font-family:"SFMono-Regular",Menlo,Consolas,monospace}

/* ---------- 曲面滾動燈箱 Coverflow ---------- */
.cg-flow{position:fixed;inset:0;z-index:99999;background:rgba(6,6,8,.97);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;overflow:hidden;
  transition:opacity .4s cubic-bezier(.22,.61,.36,1);perspective:1800px}
.cg-flow.open{opacity:1;pointer-events:auto}
.cg-flow-stage{position:relative;width:70vw;max-width:900px;height:74vh;transform-style:preserve-3d}
.cg-flow-slide{position:absolute;top:50%;left:50%;width:min(46vh,440px);transform-origin:center center;
  cursor:pointer;will-change:transform;transition:transform .55s cubic-bezier(.22,.61,.36,1),opacity .4s}
.cg-flow-slide img{width:100%;height:auto;max-height:74vh;object-fit:contain;display:block;border-radius:3px;
  box-shadow:0 34px 70px rgba(0,0,0,.55);transition:filter .5s,opacity .5s}
.cg-flow-slide.is-center{cursor:default}
/* 兩旁圖片調暗＋半透明，凸顯中央圖與左右切換鍵 */
.cg-flow-slide:not(.is-center) img{filter:brightness(.4);opacity:.72}
.cg-flow-slide:not(.is-center):hover img{filter:brightness(.62);opacity:.9}
.cg-flow-close{position:absolute;top:24px;right:30px;font-size:30px;line-height:1;color:#f4f4f2;
  background:none;border:none;cursor:pointer;opacity:.85;transition:.3s;z-index:400}
.cg-flow-close:hover{opacity:1;transform:rotate(90deg)}
.cg-flow-nav{position:absolute;top:50%;transform:translateY(-50%);width:56px;height:56px;border-radius:50%;
  font-size:30px;color:#f4f4f2;background:rgba(20,20,24,.55);border:1px solid rgba(255,255,255,.14);
  cursor:pointer;opacity:.85;transition:.3s;z-index:400;display:flex;align-items:center;justify-content:center}
.cg-flow-nav:hover{opacity:1;background:rgba(201,163,91,.9);color:#111;border-color:transparent}
.cg-flow-prev{left:2.5vw}.cg-flow-next{right:2.5vw}
.cg-flow-count{position:absolute;top:28px;left:30px;font-size:13px;letter-spacing:.2em;color:#8a8a92;z-index:400}
.cg-flow-cap{position:absolute;bottom:4.5vh;left:0;right:0;text-align:center;z-index:400;padding:0 16px}
.cg-flow-cap .cg-flow-title{display:block;color:#f4f4f2;font-size:15px;font-weight:500}
.cg-flow-cap .cg-flow-exif{display:block;margin-top:5px;font-size:11.5px;letter-spacing:.06em;color:#9a9aa2;
  font-family:"SFMono-Regular",Menlo,Consolas,monospace}
@media(max-width:640px){.cg-flow-stage{width:88vw;height:58vh}.cg-flow-slide{width:min(38vh,300px)}}
.cg-lb-close{position:absolute;top:24px;right:30px;font-size:30px;line-height:1;color:#f4f4f2;
  background:none;border:none;cursor:pointer;opacity:.8;transition:.3s}
.cg-lb-close:hover{opacity:1;transform:rotate(90deg)}
.cg-lb-nav{position:absolute;top:50%;transform:translateY(-50%);font-size:34px;color:#f4f4f2;
  background:none;border:none;padding:20px;cursor:pointer;opacity:.5;transition:.3s}
.cg-lb-nav:hover{opacity:1}
.cg-lb-prev{left:1vw}.cg-lb-next{right:1vw}
.cg-lb-count{position:absolute;top:28px;left:30px;font-size:13px;letter-spacing:.2em;color:#8a8a92}

/* 編輯器內預覽微調 */
.cg-block-editor .cg-item{opacity:1;transform:none}
/* 預覽設為非互動：點擊會穿透到「選取區塊」，避免點到篩選鈕/圖片連結而選不到區塊 */
.cg-block-editor{pointer-events:none}
.cg-ph-note{padding:46px 24px;text-align:center;border-radius:8px;
  border:1px solid rgba(201,163,91,.35);background:#141418;color:#8a8a92;
  font-size:14px;letter-spacing:.03em;font-family:"Helvetica Neue","PingFang TC","Noto Sans TC",system-ui,sans-serif}