/* 画廊 · 图集（v1.6.0）
   一本图集 = 一张卡：底图是封面，糊掉当背景，压标题和张数。点开看整本。 */
.gal-toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:18px 0 20px}
.gal-tools{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:wrap}
.gal-count{font-size:13.5px;color:var(--dim)}

.alb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.alb-card{
  --mx:50%;--my:50%;
  position:relative;display:block;width:100%;min-height:230px;padding:0;overflow:hidden;cursor:pointer;
  border-radius:var(--radius);border:1px solid var(--line);background:var(--bg-2);
  box-shadow:var(--shadow-sm);text-align:left;color:#fff;
  transition:transform .35s var(--ease),border-color .25s,box-shadow .35s var(--ease);
}
.alb-card:hover{transform:translateY(-4px);border-color:var(--line-2);
  box-shadow:var(--shadow),0 0 34px -14px var(--accent)}
.alb-bg{
  position:absolute;inset:-22px;background-size:cover;background-position:center;
  filter:blur(20px) saturate(1.25) brightness(.92);transform:scale(1.06);
  transition:transform .6s var(--ease),filter .4s var(--ease);
}
.alb-card:hover .alb-bg{transform:scale(1.12);filter:blur(16px) saturate(1.3) brightness(.96)}
.alb-bg.empty{background:linear-gradient(135deg,var(--accent-soft),var(--accent-soft-2))}
.alb-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,9,15,.18) 12%,rgba(6,9,15,.82) 88%);
  opacity:1;transition:opacity .45s var(--ease)}
.alb-card:hover .alb-shade{opacity:.72}
.alb-body{position:absolute;inset:auto 0 0 0;padding:18px 20px;display:flex;flex-direction:column;gap:6px;
  z-index:4;transition:transform .45s var(--ease)}
.alb-card:hover .alb-body{transform:translateY(-5px)}
.alb-body b{font-size:19px;letter-spacing:.01em;line-height:1.3;text-shadow:0 2px 12px rgba(0,0,0,.45)}
.alb-body i{font-style:normal;font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.72)}
.alb-body .alb-desc-t{margin:0;font-size:13px;color:rgba(255,255,255,.78);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.alb-card:focus-visible,.alb-shot:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.alb-top{position:absolute;top:12px;left:12px;right:12px;display:flex;align-items:flex-start;gap:8px;z-index:4}
.alb-chip{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:999px;
  font-size:12px;background:rgba(8,12,20,.55);border:1px solid rgba(255,255,255,.18);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);color:#fff}
.alb-fav{margin-left:auto;display:grid;place-items:center;width:32px;height:32px;border-radius:10px;
  border:1px solid rgba(255,255,255,.2);background:rgba(8,12,20,.45);color:#fff;cursor:pointer;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:transform .25s,background .25s,color .25s}
.alb-fav:hover{transform:scale(1.08);background:rgba(8,12,20,.7)}
.alb-fav.on{color:#ffd166;border-color:rgba(255,209,102,.6)}
.alb-fav svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linejoin:round}
.alb-fav.on svg{fill:currentColor}

/* 图集内部 */
.alb-modal{position:fixed;inset:0;z-index:110;display:none;align-items:center;justify-content:center;padding:22px;
  background:rgba(3,6,12,.62);-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px)}
.alb-modal.open{display:flex}
.alb-panel{width:min(1080px,100%);max-height:calc(100vh - 44px);display:flex;flex-direction:column;
  border-radius:var(--radius);border:1px solid var(--line-2);background:var(--bg-2);box-shadow:var(--shadow);overflow:hidden}
.alb-head{display:flex;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.alb-head h2{margin:0;font-size:19px}
.alb-head .alb-sub{font-size:13px;color:var(--dim)}
.alb-head-acts{margin-left:auto;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.alb-scroll{overflow:auto;padding:18px 20px 24px}
.alb-desc{margin:0 0 14px;color:var(--muted);font-size:14px;line-height:1.7}
.alb-shots{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:12px}
.alb-shot{position:relative;display:block;padding:0;border:1px solid var(--line);border-radius:var(--radius-sm);
  overflow:hidden;background:var(--surface);cursor:zoom-in;aspect-ratio:4/3}
.alb-shot img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s var(--ease)}
.alb-shot:hover img{transform:scale(1.05)}
.alb-shot .alb-gif{position:absolute;left:8px;top:8px;padding:2px 8px;border-radius:999px;font-size:11px;
  background:rgba(8,12,20,.6);color:#fff;letter-spacing:.08em}
.alb-shot .alb-shot-act{position:absolute;right:6px;bottom:6px;display:flex;gap:6px;opacity:0;transition:opacity .2s}
.alb-shot:hover .alb-shot-act{opacity:1}
.alb-mini{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;border:1px solid rgba(255,255,255,.22);
  background:rgba(8,12,20,.6);color:#fff;cursor:pointer}
.alb-mini:hover{background:rgba(8,12,20,.85)}
.alb-mini.danger:hover{color:#ff8a8a;border-color:#ff8a8a}
.alb-mini svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.alb-empty{padding:28px 0;text-align:center;color:var(--dim);font-size:14px}
.alb-x{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--muted);cursor:pointer}
.alb-x:hover{color:var(--text);border-color:var(--line-2)}
.alb-x svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* 新建图集 */
.alb-form{display:flex;flex-direction:column;gap:12px}
.alb-form label{display:flex;flex-direction:column;gap:6px;font-size:13.5px;color:var(--muted)}
.alb-form input,.alb-form textarea{padding:10px 13px;border-radius:var(--radius-xs);border:1px solid var(--line);
  background:var(--surface);color:var(--text);font:inherit;font-size:14.5px;outline:none;resize:vertical}
.alb-form input:focus,.alb-form textarea:focus{border-color:var(--accent)}
.alb-form-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:4px}
.alb-form-note{font-size:13px;color:var(--dim)}
.alb-form-note.bad{color:#ff8a8a}

[data-perf="lite"] .alb-bg{filter:blur(10px) brightness(.92)}

@media (max-width:640px){
  .alb-grid{grid-template-columns:1fr}
  .alb-card{min-height:200px}
  .alb-shots{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}
  .alb-head{padding:14px 16px}
  .alb-scroll{padding:14px 14px 20px}
}

/* ============================================================
   动效（v1.8.1）
   一、卡片：错落浮现（复用 .reveal）、悬停封面轻放 + 遮罩变淡 +
       标题上移、渐变描边光晕、指针跟随高光（--mx/--my 由 JS 写）
   二、图集弹窗：从卡片位置缩放淡入（--ox/--oy 写 transform-origin）
   三、灯箱：缩略图 FLIP 放大、切图交叉淡入、滑动拖动、骨架占位
   降级全在文件末尾：prefers-reduced-motion / [data-motion="off"]
   一律停掉或直接到终态，lite 只留最短的过渡。
   ============================================================ */

/* 一、卡片 */
.alb-card::before{                 /* 渐变描边，悬停才亮；用 mask 抠出 1px 边 */
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;z-index:3;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  opacity:0;transition:opacity .35s var(--ease);
}
.alb-card::after{                  /* 指针跟随的一团柔光 */
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:2;
  background:radial-gradient(240px circle at var(--mx) var(--my),rgba(255,255,255,.16),transparent 68%);
  opacity:0;transition:opacity .3s var(--ease);
}
.alb-card:hover::before,.alb-card:hover::after{opacity:1}
.alb-card.reveal{opacity:0}
.alb-card.reveal.in{opacity:1;animation:alb-rise .66s var(--ease) var(--rd,0s) backwards}
@keyframes alb-rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

/* 二、图集弹窗 */
.alb-panel{transform-origin:var(--ox,50%) var(--oy,50%)}
.alb-modal.open{animation:alb-fade .26s var(--ease) both}
.alb-modal.open .alb-panel{animation:alb-zoom .38s var(--ease) both}
.alb-modal.closing{pointer-events:none;animation:alb-fade-out .22s ease both}
.alb-modal.closing .alb-panel{animation:alb-zoom-out .22s ease both}
@keyframes alb-fade{from{opacity:0}to{opacity:1}}
@keyframes alb-fade-out{from{opacity:1}to{opacity:0}}
@keyframes alb-zoom{from{opacity:0;transform:scale(.93)}to{opacity:1;transform:none}}
@keyframes alb-zoom-out{from{opacity:1;transform:none}to{opacity:0;transform:scale(.96)}}

/* 弹窗里的缩略图错落浮现 + 图没到之前先铺一层流动灰 */
.alb-shot.reveal{opacity:0}
.alb-shot.reveal.in{opacity:1;animation:alb-pop .5s var(--ease) var(--rd,0s) backwards}
@keyframes alb-pop{from{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:none}}
.alb-shot.loading{
  background:linear-gradient(100deg,var(--surface) 20%,var(--surface-2) 42%,var(--surface) 64%);
  background-size:220% 100%;animation:alb-sk 1.3s linear infinite;
}
.alb-shot img{opacity:0;transition:opacity .4s var(--ease),transform .5s var(--ease)}
.alb-shot img.ok{opacity:1}
@keyframes alb-sk{from{background-position:120% 0}to{background-position:-120% 0}}

/* 三、灯箱 */
.gal-lb.lb-closing{transition:opacity .46s var(--ease),visibility .46s}
#gal-lb-img{
  position:relative;z-index:2;
  transform:translate(calc(var(--from-x,0px) + var(--drag-x,0px)),var(--from-y,0px)) scale(var(--from-scale,1));
  transform-origin:center center;
}
#gal-lb-img.lb-anim{transition:transform .5s var(--ease),opacity .32s var(--ease)}
#gal-lb-img.lb-return{transition:transform .42s var(--ease),opacity .3s var(--ease)}
.gal-lb.dragging #gal-lb-img{transition:none}
.gal-lb-ghost{                     /* 切图时先顶住旧图，再淡掉 */
  position:absolute;z-index:3;display:none;pointer-events:none;
  object-fit:contain;border-radius:4px;opacity:0;transform-origin:center;
  transition:opacity .32s var(--ease),transform .32s var(--ease);
}
.gal-lb-sk{                        /* 图还没到：一块糊的渐变，别让中间空着 */
  position:absolute;left:50%;top:50%;z-index:1;pointer-events:none;
  width:min(62vw,720px);aspect-ratio:4/3;transform:translate(-50%,-50%);
  border-radius:6px;opacity:0;transition:opacity .3s var(--ease);
  background:linear-gradient(100deg,rgba(255,255,255,.05) 20%,rgba(255,255,255,.13) 42%,rgba(255,255,255,.05) 64%);
  background-size:220% 100%;animation:alb-sk 1.3s linear infinite;
}
.gal-lb-sk.on{opacity:1}

/* 四、降级：用户要求减弱动效 / 系统减少动效 —— 全停，直接终态 */
@media (prefers-reduced-motion:reduce){
  .alb-card,.alb-bg,.alb-shade,.alb-body,.alb-card::before,.alb-card::after,
  .alb-modal,.alb-panel,.alb-shot,.alb-shot img,
  .gal-lb,#gal-lb-img,.gal-lb-ghost,.gal-lb-sk{transition:none!important;animation:none!important}
  .alb-card.reveal,.alb-shot.reveal{opacity:1}
  .alb-card.reveal.in,.alb-shot.reveal.in{opacity:1;animation:none!important}
  .alb-card::after{display:none}
  .alb-shot img{opacity:1}
  .alb-modal.open,.alb-modal.open .alb-panel,.alb-modal.closing,.alb-modal.closing .alb-panel{animation:none!important}
}
[data-motion="off"] .alb-card,
[data-motion="off"] .alb-bg,
[data-motion="off"] .alb-shade,
[data-motion="off"] .alb-body,
[data-motion="off"] .alb-card::before,
[data-motion="off"] .alb-card::after,
[data-motion="off"] .alb-modal,
[data-motion="off"] .alb-panel,
[data-motion="off"] .alb-shot,
[data-motion="off"] .alb-shot img,
[data-motion="off"] .gal-lb,
[data-motion="off"] #gal-lb-img,
[data-motion="off"] .gal-lb-ghost,
[data-motion="off"] .gal-lb-sk{transition:none!important;animation:none!important}
[data-motion="off"] .alb-card.reveal,
[data-motion="off"] .alb-shot.reveal{opacity:1}
[data-motion="off"] .alb-card.reveal.in,
[data-motion="off"] .alb-shot.reveal.in{opacity:1;animation:none!important}
[data-motion="off"] .alb-card::after{display:none}
[data-motion="off"] .alb-shot img{opacity:1}
[data-motion="off"] .alb-modal.open,
[data-motion="off"] .alb-modal.open .alb-panel,
[data-motion="off"] .alb-modal.closing,
[data-motion="off"] .alb-modal.closing .alb-panel{animation:none!important}

/* 低配：只留最轻的过渡，高光层直接不画 */
[data-perf="lite"] .alb-card::after{display:none}
[data-perf="lite"] .alb-card{transition:transform .2s var(--ease),border-color .2s,box-shadow .2s}
[data-perf="lite"] .alb-card::before{transition:none}
[data-perf="lite"] .alb-bg{transition:transform .35s var(--ease)}
[data-perf="lite"] .alb-shade,[data-perf="lite"] .alb-body{transition:none}
[data-perf="lite"] .alb-card.reveal.in{animation-duration:.36s}
[data-perf="lite"] .alb-shot.reveal.in{animation-duration:.3s}
[data-perf="lite"] .alb-modal.open{animation-duration:.16s}
[data-perf="lite"] .alb-modal.open .alb-panel{animation-duration:.2s}