/* theme.css - CSER 画廊视觉层：玻璃拟态 + 自定义壁纸 + 动效 */

:root {
  /* 深色主题（默认） */
  --bg-0:#0b0c10; --bg-1:#121319; --bg-2:#191b23;
  --fg:#e9eaee; --fg-dim:#9598a3; --fg-faint:#5c5f6b;
  --line:rgba(255,255,255,.09); --line-strong:rgba(255,255,255,.16);
  --glass:rgba(22,24,31,.62); --glass-hi:rgba(255,255,255,.045);
  --accent:#5b8cff; --accent-2:#a06bff; --ok:#2ecc71;
  --shadow:0 10px 34px rgba(0,0,0,.46);
  --blur:22px;
  --radius:14px;
  /* 壁纸：渐变网格，可用 --wall 覆盖 */
  --wall:
    radial-gradient(1200px 680px at 10% -6%, rgba(91,140,255,.42), transparent 64%),
    radial-gradient(1050px 620px at 90% 4%, rgba(160,107,255,.36), transparent 62%),
    radial-gradient(980px 760px at 52% 114%, rgba(46,204,113,.22), transparent 64%),
    radial-gradient(760px 520px at 72% 58%, rgba(255,110,180,.12), transparent 66%),
    linear-gradient(165deg, #0d0f16, #131622 46%, #0e1017);
}

html[data-theme="light"] {
  --bg-0:#f2f3f7; --bg-1:#e9ebf2; --bg-2:#e2e5ee;
  --fg:#1b1d23; --fg-dim:#5d6270; --fg-faint:#8a8f9c;
  --line:rgba(0,0,0,.09); --line-strong:rgba(0,0,0,.16);
  --glass:rgba(255,255,255,.66); --glass-hi:rgba(255,255,255,.6);
  --accent:#2f6bf0; --accent-2:#8549e8;
  --shadow:0 10px 30px rgba(20,24,40,.13);
  --wall:
    radial-gradient(1100px 620px at 10% -10%, rgba(47,107,240,.16), transparent 60%),
    radial-gradient(950px 560px at 92% 4%, rgba(133,73,232,.13), transparent 58%),
    linear-gradient(165deg, var(--bg-0), var(--bg-1) 48%, var(--bg-2));
}

* { box-sizing:border-box; -webkit-tap-highlight-color:transparent; }
/* 无尺寸约束的内联 SVG 会按 300x150 渲染；只给「未声明尺寸」的兜底，
   避免压住 .ico / .logo 等显式尺寸（同优先级下后写的 svg{} 会赢）。 */
svg:not([width]):not([class]) { display:block; width:16px; height:16px; flex:none; }
svg { display:block; flex:none; }
html,body { margin:0; min-height:100%; }
body {
  background:var(--bg-0);
  color:var(--fg);
  font:14px/1.55 system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;
  overflow-x:hidden;
  transition:color .3s ease, background-color .3s ease;
}

/* ---------- 壁纸层 ---------- */
#bg {
  position:fixed; inset:-2px; z-index:-2;
  background:var(--wall);
  background-size:cover; background-position:center;
  /* 自定义壁纸（用户上传）通过内联 background-image 覆盖 */
  transition:opacity .6s ease;
}
#bg.has-image { background-image:none; }
#bg.has-image::after {
  content:''; position:absolute; inset:0;
  background:var(--wall-img) center/cover no-repeat;
  filter:saturate(1.05);
}
/* 壁纸上方的柔光，避免内容压在复杂背景上难以阅读 */
#bgGlow {
  position:fixed; inset:0; z-index:-1; pointer-events:none;
  background:
    radial-gradient(1300px 860px at 50% -10%, transparent, rgba(0,0,0,.16) 72%),
    linear-gradient(180deg, rgba(0,0,0,.10), rgba(0,0,0,.26));
}
html[data-theme="light"] #bgGlow {
  background:linear-gradient(180deg, rgba(255,255,255,.30), rgba(255,255,255,.12));
}

/* ---------- 玻璃组件 ---------- */
.glass {
  background:var(--glass);
  backdrop-filter:blur(var(--blur)) saturate(180%);
  -webkit-backdrop-filter:blur(var(--blur)) saturate(180%);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.glass-sm {
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(160%);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  border:1px solid var(--line);
}

/* ---------- 顶栏 ---------- */
header {
  position:sticky; top:0; z-index:60;
  border-width:0 0 1px 0; border-radius:0;
  padding-top:env(safe-area-inset-top);
  transition:box-shadow .3s ease, background .3s ease;
}
header.scrolled { box-shadow:0 12px 40px rgba(0,0,0,.5); }
.row1 { display:flex; align-items:center; gap:10px; padding:11px 14px; }
.row2 { display:flex; align-items:center; gap:8px; padding:0 14px 10px; overflow-x:auto; }
.row2::-webkit-scrollbar { display:none; }

.brand { display:flex; align-items:center; gap:9px; font-weight:650; letter-spacing:.2px;
  white-space:nowrap; font-size:15px; }
svg.logo { display:block; width:21px; height:21px; color:var(--accent); flex:none;
  filter:drop-shadow(0 0 10px rgba(91,140,255,.55)); }

.search { flex:1; display:flex; align-items:center; gap:8px; min-width:0;
  background:var(--glass-hi); border:1px solid var(--line); border-radius:11px;
  padding:7px 11px; transition:border-color .22s, box-shadow .22s, background .22s; }
.search:focus-within { border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(91,140,255,.16); background:transparent; }
.search .si { width:15px; height:15px; color:var(--fg-faint); flex:none; }
.search input { flex:1; min-width:0; background:none; border:none; outline:none;
  color:var(--fg); font-size:13.5px; font-family:inherit; }
.search input::placeholder { color:var(--fg-faint); }
.search kbd { font:11px/1 ui-monospace,monospace; color:var(--fg-faint);
  border:1px solid var(--line-strong); border-radius:5px; padding:3px 6px; }
@media (max-width:700px) { .search kbd { display:none; } }

button.tool { display:inline-flex; align-items:center; gap:6px; flex:none;
  background:var(--glass-hi); border:1px solid var(--line); color:var(--fg);
  border-radius:10px; padding:8px 11px; font-size:13px; font-family:inherit;
  cursor:pointer; transition:transform .16s cubic-bezier(.2,.8,.3,1),
    border-color .2s, background .2s, box-shadow .2s; }
button.tool svg { display:block; width:15px; height:15px; }
button.tool:hover { border-color:var(--line-strong); background:rgba(255,255,255,.09);
  transform:translateY(-1px); }
button.tool:active { transform:translateY(0) scale(.975); }
button.tool.on { background:linear-gradient(135deg,var(--accent),var(--accent-2));
  border-color:transparent; color:#fff; box-shadow:0 6px 20px rgba(91,140,255,.42); }
button.tool.go { background:linear-gradient(135deg,#27c06b,#1f9e58); border-color:transparent;
  color:#fff; box-shadow:0 6px 20px rgba(39,192,107,.36); }
button.tool.sm { padding:6px 10px; font-size:12.5px; }
button.tool:disabled { opacity:.42; cursor:default; transform:none; }

/* ---------- 面包屑 ---------- */
.crumbs { flex:1; display:flex; align-items:center; gap:2px; min-width:0;
  font-size:12.5px; color:var(--fg-dim); white-space:nowrap; overflow:hidden; }
.crumbs a, .crumbs .sep { color:var(--fg-dim); }
.crumbs a { text-decoration:none; padding:3px 7px; border-radius:7px;
  transition:background .18s, color .18s; }
.crumbs a:hover { background:var(--glass-hi); color:var(--fg); }
.crumbs .cur { color:var(--fg); font-weight:550; padding:3px 7px; }
.crumbs .sep { opacity:.45; }

/* ---------- 网格 ---------- */
.grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(172px,1fr));
  grid-auto-rows:172px;   /* 明确的固定行高，替代 aspect-ratio（网格里更可靠） */
  gap:12px; padding:14px; padding-bottom:110px; }
@media (max-width:700px) {
  .grid { grid-template-columns:repeat(auto-fill,minmax(118px,1fr)); grid-auto-rows:118px; gap:7px; padding:8px; padding-bottom:100px; }
}

.cell { position:relative; border-radius:var(--radius); overflow:hidden; cursor:pointer;
  background:rgba(18,20,28,.55);
  backdrop-filter:blur(10px) saturate(150%);
  -webkit-backdrop-filter:blur(10px) saturate(150%);
  border:1px solid var(--line);
  transition:transform .28s cubic-bezier(.2,.8,.3,1), box-shadow .28s, border-color .28s;
  /* 入场动画由 JS 加 .in */
  /* 只用不透明度无关的入场：纯位移动画绝不会把内容藏住 */
  animation:cellIn .3s cubic-bezier(.2,.8,.3,1);
  /* 不用 contain：会与 aspect-ratio 交互导致子元素布局异常 */
}
.cell.in { transform:none;
  transition:transform .3s cubic-bezier(.2,.8,.3,1), box-shadow .28s, border-color .28s; }
@keyframes cellIn { from { transform:translateY(8px) scale(.99); } to { transform:none; } }
/* 目录单元保留 1:1 以便与媒体格子对齐 */
.cell
.cell:hover { transform:translateY(-3px) scale(1.014);
  box-shadow:0 14px 36px rgba(0,0,0,.5), 0 0 0 1px var(--line-strong);
  border-color:var(--line-strong); z-index:2; }
.cell:active { transform:translateY(-1px) scale(.996); }

.cell img.thumb { width:100%; height:100%; object-fit:cover; display:block;
  opacity:0; transition:opacity .4s ease, transform .5s cubic-bezier(.2,.8,.3,1); }
.cell img.thumb.fit { object-fit:contain; }
.cell img.thumb.loaded { opacity:1; }
.cell:hover img.thumb { transform:scale(1.06); }

.cell .badge { position:absolute; right:8px; top:8px; display:inline-flex; align-items:center;
  gap:5px; background:rgba(8,9,12,.78); backdrop-filter:blur(8px); color:#fff;
  font-size:10.5px; font-weight:550; padding:4px 8px; border-radius:8px;
  border:1px solid rgba(255,255,255,.16); letter-spacing:.2px; line-height:1; }
.cell .badge svg { display:block; width:12px; height:12px; min-width:12px; stroke:#fff; }
.cell .badge svg { width:11px; height:11px; }
.cell .nm { position:absolute; left:0; right:0; bottom:0; padding:20px 8px 7px; font-size:11.5px;
  color:#fff; background:linear-gradient(transparent,rgba(0,0,0,.86));
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap; opacity:0;
  transition:opacity .24s; }
@media (hover:none) { .cell .nm { opacity:1; } }
.cell:hover .nm { opacity:1; }

/* 目录单元：不用 flex 居中（受 contain/aspect-ratio 交互影响），改绝对定位 */
.cell.dircell { overflow:hidden; contain:none; }
.dircell { display:block; font-size:12.5px; text-align:center; padding:0;
  background:rgba(255,255,255,.05); }
/* 图标：绝对定位到容器中心（与 flex 布局解耦，任何尺寸下都居中） */
.dircell > .ci, .dircell > svg {
  position:absolute; left:50%; top:50%;
  transform:translate(-50%,-56%);
  margin:0;
}
/* 名称：绝对定位到底部 */
.dircell > .lb {
  position:absolute; left:8px; right:8px; bottom:10px;
  max-width:calc(100% - 16px); overflow:hidden; text-overflow:ellipsis;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical;
  line-height:1.35; color:var(--fg);
}
.dircell:hover { background:rgba(91,140,255,.10); }
.dircell .lb { color:var(--fg); }
svg.dircell-icon, .dircell svg.ico { display:block; width:34px; height:34px;
  min-width:34px; min-height:34px; color:var(--accent); stroke:var(--accent); }
/* 路径直接用 !important 锁死描边，避免被任何继承/覆盖规则压掉 */
.dircell svg.ico path, svg.dircell-icon path { stroke:var(--accent) !important; fill:none !important; stroke-width:1.6; }
.dircell .lb { max-width:100%; overflow:hidden; text-overflow:ellipsis;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; line-height:1.35; }

/* ---------- 多选 ---------- */
.cell .chk { position:absolute; left:8px; top:8px; width:23px; height:23px; border-radius:50%;
  border:2px solid rgba(255,255,255,.9); background:rgba(0,0,0,.42);
  backdrop-filter:blur(6px); display:none; align-items:center; justify-content:center;
  z-index:4; transition:transform .18s, background .18s; }
body.picking .cell .chk { display:flex; }
.cell.picked { border-color:transparent;
  box-shadow:0 0 0 2.5px var(--ok), 0 12px 30px rgba(46,204,113,.34); }
.cell.picked .chk { background:var(--ok); border-color:var(--ok); transform:scale(1.08); }
.cell.picked .chk::after { content:''; width:11px; height:6px; margin-top:-3px;
  border-left:2.2px solid #fff; border-bottom:2.2px solid #fff; transform:rotate(-45deg); }
.cell.picked img.thumb { transform:scale(.94); }

/* ---------- 底部操作条 ---------- */
#bar { position:fixed; left:0; right:0; bottom:0; z-index:70;
  display:none; align-items:center; gap:9px;
  padding:12px 14px; padding-bottom:calc(12px + env(safe-area-inset-bottom));
  border-width:1px 0 0 0; border-radius:0;
  transform:translateY(110%); transition:transform .32s cubic-bezier(.2,.8,.3,1); }
body.picking #bar { display:flex; }
body.picking #bar.show { transform:none; }
#bar .n { flex:1; font-size:13px; color:var(--fg-dim); }

/* ---------- 状态条 ---------- */
.status { position:fixed; left:50%; bottom:22px; transform:translateX(-50%);
  z-index:55; padding:8px 15px; border-radius:11px; font-size:12.5px;
  color:var(--fg-dim); white-space:nowrap; max-width:92vw; overflow:hidden;
  text-overflow:ellipsis; }
body.picking .status { bottom:86px; }

/* ---------- 加载与空态 ---------- */
.spinner { width:15px; height:15px; border:2px solid var(--line-strong);
  border-top-color:var(--accent); border-radius:50%;
  animation:spin .7s linear infinite; display:inline-block; vertical-align:-3px; }
@keyframes spin { to { transform:rotate(360deg); } }
.empty { grid-column:1/-1; padding:90px 20px; text-align:center; color:var(--fg-faint); }
.empty svg { width:46px; height:46px; margin-bottom:14px; opacity:.5; }

/* ---------- 骨架屏 ---------- */
.skel { border-radius:var(--radius); aspect-ratio:1;
  background:linear-gradient(100deg, rgba(255,255,255,.04) 30%, rgba(255,255,255,.09) 50%, rgba(255,255,255,.04) 70%);
  background-size:220% 100%; animation:shimmer 1.5s linear infinite; }
@keyframes shimmer { to { background-position:-220% 0; } }

/* ---------- 图片灯箱（错误回退用） ---------- */
.lb { position:fixed; inset:0; z-index:200; display:none; align-items:center;
  justify-content:center; background:rgba(4,5,8,.94); backdrop-filter:blur(10px); }
.lb.on { display:flex; }
.lb img { max-width:96vw; max-height:96vh; object-fit:contain;
  border-radius:8px; box-shadow:0 20px 70px rgba(0,0,0,.8); }

/* ---------- 动效开关 ---------- */
@media (prefers-reduced-motion:reduce) {
  *, *::before, *::after { animation-duration:.01ms !important;
    transition-duration:.01ms !important; }
  .cell { opacity:1; transform:none; }
}

/* 滚动条 */
::-webkit-scrollbar { width:10px; height:10px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--line-strong); border-radius:6px;
  border:3px solid transparent; background-clip:content-box; }
::-webkit-scrollbar-thumb:hover { background:var(--fg-faint); background-clip:content-box; }

/* ============================================================
   CSS 绘制图标（纯 border/background，不依赖 SVG 渲染路径）
   目录：文件夹轮廓  视频：胶片   PDF：文档
   ============================================================ */
.ci { position:relative; flex:none; display:block; }
.ci-folder {
  width:38px; height:30px; border:2px solid var(--accent); border-radius:4px;
  margin-top:6px;
}
.ci-folder::before {
  content:''; position:absolute; left:-2px; top:-8px;
  width:16px; height:8px; border:2px solid var(--accent);
  border-bottom:none; border-radius:4px 4px 0 0;
  background:transparent;
}
.ci-video {
  width:38px; height:30px; border:2px solid var(--fg-dim); border-radius:4px;
}
.ci-video::after {
  content:''; position:absolute; left:50%; top:50%;
  transform:translate(-42%,-50%);
  border-style:solid; border-width:7px 0 7px 12px;
  border-color:transparent transparent transparent var(--fg-dim);
}
.ci-pdf {
  width:30px; height:38px; border:2px solid var(--fg-dim); border-radius:3px;
}
.ci-pdf::after {
  content:''; position:absolute; right:-2px; top:-2px;
  width:12px; height:12px;
  border-left:2px solid var(--fg-dim); border-bottom:2px solid var(--fg-dim);
  background:transparent; border-radius:0 3px 0 0;
}
.ci-pdf::before {
  content:''; position:absolute; left:6px; top:14px;
  width:14px; height:2px; background:var(--fg-dim);
  box-shadow:0 5px 0 var(--fg-dim), 0 10px 0 var(--fg-dim);
}
/* 文本文件（md/txt/html）：与 PDF 同为"文档"形，但用强调色区分 */
.ci-text {
  width:30px; height:38px; border:2px solid var(--accent); border-radius:3px;
}
.ci-text::after {
  content:''; position:absolute; right:-2px; top:-2px;
  width:12px; height:12px;
  border-left:2px solid var(--accent); border-bottom:2px solid var(--accent);
  background:transparent; border-radius:0 3px 0 0;
}
.ci-text::before {
  content:''; position:absolute; left:6px; top:12px;
  width:14px; height:2px; background:var(--accent);
  box-shadow:0 5px 0 var(--accent), 0 10px 0 var(--accent), 0 15px 0 var(--accent);
}
/* PPT：与文本同为"文档"形，用琥珀色区分 */
.ci-office { width:30px; height:38px; border:2px solid #f0b429; border-radius:3px; }
.ci-office::after {
  content:''; position:absolute; right:-2px; top:-2px; width:12px; height:12px;
  border-left:2px solid #f0b429; border-bottom:2px solid #f0b429; background:transparent; border-radius:0 3px 0 0;
}
.ci-office::before {
  content:''; position:absolute; left:6px; top:13px; width:14px; height:2px;
  background:#f0b429; box-shadow:0 5px 0 #f0b429, 0 10px 0 #f0b429;
}
/* 目录单元里的图标居中 */
.dircell .ci { margin:0 auto; }

.ci-up { width:38px; height:30px; }
.ci-up::before {
  content:''; position:absolute; left:0; top:8px;
  width:30px; height:14px; border:2px solid var(--accent); border-radius:3px;
}
.ci-up::after {
  content:''; position:absolute; left:-2px; top:2px;
  width:14px; height:14px; border-left:2px solid var(--accent);
  border-top:2px solid var(--accent); transform:rotate(-45deg); border-radius:2px;
}


/* ============================================================
   最终覆盖块：目录单元与图标
   放在文件末尾，确保优先级最高，不依赖前面规则的顺序。
   ============================================================ */
.cell {
  /* 高度由网格行高决定，不在元素上使用 aspect-ratio */
  aspect-ratio: auto !important;
  opacity: 1 !important;
  transform: none !important;
  animation: none !important;
  contain: none !important;
}
.grid {
  grid-auto-rows: 172px;
}
@media (max-width: 700px) {
  .grid { grid-auto-rows: 118px; }
}
.cell img.thumb {
  opacity: 1 !important;
}
.cell .nm {
  opacity: 0;
}
@media (hover: none) { .cell .nm { opacity: 1; } }
.cell:hover .nm { opacity: 1; }

/* 目录单元：图标居中 + 名称置底，全部用绝对定位保证稳定 */
.cell.dircell {
  position: relative !important;
  display: block !important;
  background: rgba(255,255,255,.05) !important;
}
.cell.dircell > .ci,
.cell.dircell > svg.ico {
  position: absolute !important;
  left: 50% !important;
  top: 50% !important;
  right: auto !important;
  bottom: auto !important;
  transform: translate(-50%, -60%) !important;
  margin: 0 !important;
}
.cell.dircell > .lb,
.cell.dircell > .nm {
  position: absolute !important;
  left: 8px !important;
  right: 8px !important;
  bottom: 9px !important;
  top: auto !important;
  width: auto !important;
  padding: 0 !important;
  background: none !important;
  color: var(--fg) !important;
  font-size: 11.5px !important;
  line-height: 1.25 !important;
  text-align: center !important;
  word-break: break-word !important;
  overflow: hidden !important;
  display: -webkit-box !important;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: break-all;
}

/* CSS 图标：用轮廓描边绘制，尺寸固定 */
.ci { position: relative !important; display: block !important; box-sizing: border-box !important; }
.ci-folder { width: 40px !important; height: 32px !important; border: 2.5px solid var(--accent) !important; border-radius: 5px !important; margin-top: 7px !important; }
.ci-folder::before {
  content: '' !important; position: absolute !important;
  left: -2.5px !important; top: -9px !important;
  width: 17px !important; height: 9px !important;
  border: 2.5px solid var(--accent) !important; border-bottom: none !important;
  border-radius: 5px 5px 0 0 !important; background: transparent !important;
}
.ci-video { width: 40px !important; height: 32px !important; border: 2.5px solid var(--fg-dim) !important; border-radius: 5px !important; }
.ci-video::after {
  content: '' !important; position: absolute !important;
  left: 50% !important; top: 50% !important;
  transform: translate(-40%, -50%) !important;
  border-style: solid !important; border-width: 8px 0 8px 13px !important;
  border-color: transparent transparent transparent var(--fg-dim) !important;
}
.ci-pdf { width: 32px !important; height: 40px !important; border: 2.5px solid var(--fg-dim) !important; border-radius: 4px !important; }
.ci-pdf::before {
  content: '' !important; position: absolute !important;
  right: -2.5px !important; top: -2.5px !important;
  width: 13px !important; height: 13px !important;
  border-left: 2.5px solid var(--fg-dim) !important;
  border-bottom: 2.5px solid var(--fg-dim) !important;
  border-radius: 0 4px 0 0 !important;
}
.ci-pdf::after {
  content: '' !important; position: absolute !important;
  left: 6px !important; top: 15px !important;
  width: 15px !important; height: 2.5px !important;
  background: var(--fg-dim) !important;
  box-shadow: 0 5px 0 var(--fg-dim), 0 10px 0 var(--fg-dim) !important;
}
.ci-text { width: 32px !important; height: 40px !important; border: 2.5px solid var(--accent) !important; border-radius: 4px !important; }
.ci-text::before {
  content: '' !important; position: absolute !important;
  right: -2.5px !important; top: -2.5px !important;
  width: 13px !important; height: 13px !important;
  border-left: 2.5px solid var(--accent) !important;
  border-bottom: 2.5px solid var(--accent) !important;
  border-radius: 0 4px 0 0 !important;
}
.ci-text::after {
  content: '' !important; position: absolute !important;
  left: 6px !important; top: 14px !important;
  width: 15px !important; height: 2.5px !important;
  background: var(--accent) !important;
  box-shadow: 0 5px 0 var(--accent), 0 10px 0 var(--accent) !important;
}
.ci-office { width: 32px !important; height: 40px !important; border: 2.5px solid #f0b429 !important; border-radius: 4px !important; }
.ci-office::before {
  content: '' !important; position: absolute !important; right: -2.5px !important; top: -2.5px !important;
  width: 13px !important; height: 13px !important;
  border-left: 2.5px solid #f0b429 !important; border-bottom: 2.5px solid #f0b429 !important;
  border-radius: 0 4px 0 0 !important;
}
.ci-office::after {
  content: '' !important; position: absolute !important; left: 6px !important; top: 14px !important;
  width: 15px !important; height: 2.5px !important; background: #f0b429 !important;
  box-shadow: 0 5px 0 #f0b429, 0 10px 0 #f0b429 !important;
}
.bigico .ci-office { width: 36px !important; height: 44px !important; }
.badge .ci-office { width: 9px !important; height: 11px !important; border-width: 1.4px !important; border-radius: 2px !important; }
.ci-up { width: 40px !important; height: 32px !important; }
.ci-up::before {
  content: '' !important; position: absolute !important;
  left: 4px !important; top: 10px !important;
  width: 30px !important; height: 16px !important;
  border: 2.5px solid var(--accent) !important; border-radius: 4px !important;
}
.ci-up::after {
  content: '' !important; position: absolute !important;
  left: 2px !important; top: 3px !important;
  width: 15px !important; height: 15px !important;
  border-left: 2.5px solid var(--accent) !important;
  border-top: 2.5px solid var(--accent) !important;
  border-radius: 3px !important;
  transform: rotate(-45deg) !important;
}


/* 媒体单元（视频/PDF）：大图标居中 + 角标右上 + 名称居底 */
.cell.media { position: relative !important; display: block !important; }
.cell.media > .bigico {
  position: absolute !important; left: 50% !important; top: 50% !important;
  transform: translate(-50%, -60%) !important; margin: 0 !important;
}
.cell.media > .nm {
  position: absolute !important; left: 8px !important; right: 8px !important;
  bottom: 9px !important; top: auto !important;
  padding: 0 !important; background: none !important;
  color: var(--fg) !important; font-size: 12px !important;
  text-align: center !important; opacity: 1 !important;
  overflow: hidden !important; text-overflow: ellipsis !important;
  white-space: nowrap !important;
}
.cell.media > .badge {
  position: absolute !important;
  right: 8px !important; top: 8px !important;
  left: auto !important; bottom: auto !important;
}

.bigico .ci-folder, .bigico .ci-video { width: 44px !important; height: 36px !important; }
.bigico .ci-pdf { width: 36px !important; height: 44px !important; }
.bigico .ci-text { width: 36px !important; height: 44px !important; }
.bigico .ci-video::after { border-width: 9px 0 9px 15px !important; }
.badge .ci-video { width: 11px !important; height: 9px !important; border-width: 1.4px !important; border-radius: 2px !important; }
.badge .ci-pdf { width: 9px !important; height: 11px !important; border-width: 1.4px !important; border-radius: 2px !important; }
.badge .ci-text { width: 9px !important; height: 11px !important; border-width: 1.4px !important; border-radius: 2px !important; }
.badge .ci-video::after { border-width: 2.5px 0 2.5px 4px !important; }
.badge .ci-pdf::before { width: 4px !important; height: 4px !important; border-width: 1.6px !important; }
.badge .ci-pdf::after { display: none !important; }


/* 壁纸设置面板 */
#wallPanel {
  position:fixed; right:14px; top:calc(60px + env(safe-area-inset-top)); z-index:200;
  display:none; flex-direction:column; gap:10px; padding:14px;
  background:var(--glass); backdrop-filter:blur(22px) saturate(180%);
  -webkit-backdrop-filter:blur(22px) saturate(180%);
  border:1px solid var(--line); border-radius:14px; box-shadow:var(--shadow);
  min-width:220px;
}
#wallPanel.on { display:flex; }
#wallPanel h4 { margin:0; font-size:13px; font-weight:600; color:var(--fg); }
#wallPanel .row { display:flex; gap:8px; flex-wrap:wrap; }
#wallPanel label { font-size:12px; color:var(--fg-dim); }
#wallPanel input[type=file] { display:none; }
#wallPanel button { background:var(--glass-hi); border:1px solid var(--line); color:var(--fg);
  border-radius:9px; padding:7px 11px; font-size:12.5px; font-family:inherit; cursor:pointer; }
#wallPanel button:hover { border-color:var(--line-strong); background:rgba(255,255,255,.1); }


/* ---------- 响应式修正（放在最后，覆盖前面的grid定义） ---------- */
@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)) !important; grid-auto-rows: 150px !important; }
}
@media (max-width: 700px) {
  .grid {
    grid-template-columns: repeat(auto-fill, minmax(0, 1fr)) !important;
    grid-auto-rows: auto !important;
    gap: 8px !important;
    padding: 8px !important;
    padding-bottom: 100px !important;
  }
  /* 手机上固定 3 列，行高按宽度比例 */
  .grid { grid-template-columns: repeat(3, 1fr) !important; }
  .cell { height: calc((100vw - 16px - 16px) / 3) !important; min-height: 0 !important; }
  .cell.dircell > .lb, .cell.media > .nm { font-size: 10px !important; bottom: 5px !important; left: 4px !important; right: 4px !important; }
  .cell.dircell > .ci { transform: translate(-50%, -62%) scale(.8) !important; }
  .bigico { transform: translate(-50%, -62%) scale(.8) !important; }
}
@media (max-width: 420px) {
  .grid { grid-template-columns: repeat(2, 1fr) !important; }
  .cell { height: calc((100vw - 16px - 8px) / 2) !important; }
}
/* 防止任何横向溢出 */
body { overflow-x: hidden !important; }
.grid { max-width: 100% !important; }
header, .row1, .row2 { max-width: 100% !important; }
.brand span { white-space: nowrap; }
@media (max-width: 520px) {
  .brand span { display: none; }       /* 窄屏只留 logo，给搜索框让位 */
  .row1 { gap: 8px; }
}


/* ============================================================
   评分爱心
   喜欢 → 右下角红心（1/2/3 档颜色递深）
   不喜欢 → 左下角灰色裂心（1/2/3 档裂纹递多）
   ============================================================ */
.cell .heart {
  position: absolute;
  z-index: 6;
  pointer-events: none;
  line-height: 0;
  filter: drop-shadow(0 1px 3px rgba(0,0,0,.55));
  animation: heartIn .28s cubic-bezier(.2,.9,.3,1.3);
}
@keyframes heartIn { from { opacity: 0; } to { opacity: 1; } }

/* 喜欢：右下角 */
.cell .heart-like { right: 7px; bottom: 7px; }
/* 不喜欢：左下角 */
.cell .heart-dislike { left: 7px; bottom: 7px; }

.cell .heart svg { display: block; width: 18px; height: 18px; }

/* 档位视觉差异：越大越醒目 */
.cell .heart-lv1 svg { width: 15px; height: 15px; opacity: .82; }
.cell .heart-lv2 svg { width: 18px; height: 18px; opacity: .94; }
.cell .heart-lv3 svg { width: 21px; height: 21px; opacity: 1; }

/* 有评分的格子加一点描边暗示 */
.cell:has(.heart-like) { border-color: rgba(255,84,112,.34) !important; }
.cell:has(.heart-dislike) { border-color: rgba(107,111,122,.34) !important; }

/* 评分模式提示条 */
#rateHint {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: calc(22px + env(safe-area-inset-bottom)); z-index: 300;
  padding: 10px 18px; border-radius: 12px;
  background: var(--glass); backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--line); box-shadow: var(--shadow);
  font-size: 13px; color: var(--fg); display: none;
  white-space: nowrap; max-width: 92vw; overflow: hidden; text-overflow: ellipsis;
}
#rateHint.on { display: block; }

#sortLabel { font-size: 12px; color: var(--fg-dim); margin-left: 2px; }
@media (max-width: 520px) { #sortLabel { display: none; } }


/* ============================================================
   动效层：星空 + 极光 + 漂浮光斑（复用 chat 站美术资产）
   ============================================================ */
/* 实时壁纸底图（真实照片感），叠加在原渐变之上 */
#bg.has-photo {
  background-image: var(--wall-photo);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
html[data-theme="dark"] #bg { --wall-photo: url("/theme/bg-night.webp"); }
html[data-theme="light"] #bg { --wall-photo: url("/theme/bg-day.webp"); }

/* 星空画布：固定在最底层，低开销 */
#stars {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  opacity: .85;
}
html[data-theme="light"] #stars { opacity: .35; }

/* 极光：缓慢漂移的色带 */
#aurora {
  position: fixed; inset: -30%; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 40% at 18% 26%, rgba(91,140,255,.20), transparent 62%),
    radial-gradient(52% 38% at 82% 68%, rgba(160,107,255,.17), transparent 60%),
    radial-gradient(46% 34% at 52% 92%, rgba(46,204,113,.11), transparent 64%);
  filter: blur(26px);
  animation: auroraDrift 34s ease-in-out infinite alternate;
}
@keyframes auroraDrift {
  from { transform: translate(-3%,-2%) scale(1) rotate(0deg); }
  50%  { transform: translate(2%, 1%) scale(1.06) rotate(1.5deg); }
  to   { transform: translate(4%, 3%) scale(1.03) rotate(-1deg); }
}
html[data-theme="light"] #aurora { opacity: .5; }

/* 漂浮光点 */
#motes { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.mote {
  position: absolute; width: 3px; height: 3px; border-radius: 50%;
  background: rgba(200,220,255,.55);
  box-shadow: 0 0 8px rgba(160,190,255,.7);
  animation: moteFloat linear infinite;
}
@keyframes moteFloat {
  from { transform: translateY(0) translateX(0); opacity: 0; }
  10%  { opacity: .9; }
  90%  { opacity: .55; }
  to   { transform: translateY(-105vh) translateX(var(--dx, 20px)); opacity: 0; }
}
html[data-theme="light"] .mote { background: rgba(90,120,200,.42); box-shadow: 0 0 6px rgba(90,120,200,.5); }

/* 卡片玻璃质感再强化（对照 chat 站） */
.cell {
  box-shadow: 0 6px 24px rgba(0,0,0,.34), inset 0 1px 0 rgba(255,255,255,.055);
}
.cell:hover {
  box-shadow: 0 16px 44px rgba(0,0,0,.52), 0 0 0 1px var(--line-strong), inset 0 1px 0 rgba(255,255,255,.09);
}

/* 顶栏流光 */
header::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(91,140,255,.55), rgba(160,107,255,.5), transparent);
  background-size: 200% 100%;
  animation: headerSheen 7s linear infinite;
  pointer-events: none;
}
@keyframes headerSheen { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* 载入呼吸 */
@keyframes breathe { 0%,100% { opacity: .55; } 50% { opacity: 1; } }
.skel { animation: shimmer 1.5s linear infinite, breathe 2.4s ease-in-out infinite; }

@media (prefers-reduced-motion: reduce) {
  #aurora, #motes, header::after { animation: none !important; }
  .mote { display: none; }
}


/* 详情页评分显示 */
#bar .vr { display: flex; align-items: center; gap: 1px; flex: none; }
#bar .vr svg { width: 15px; height: 15px; display: block; filter: drop-shadow(0 1px 2px rgba(0,0,0,.5)); }
#bar .vr.like { filter: drop-shadow(0 0 6px rgba(255,84,112,.5)); }
#bar .vr.dislike { opacity: .8; }


/* ============================================================
   多选评分按钮组（底部操作条）
   ============================================================ */
.rate-group {
  display: flex; align-items: center; gap: 3px;
  padding: 2px 7px; border-radius: 9px;
  background: rgba(255,255,255,.05); border: 1px solid var(--line);
  flex: none;
}
.rate-group .rg-label { font-size: 11px; color: var(--fg-dim); margin-right: 3px; white-space: nowrap; }
.rb {
  width: 24px; height: 24px; border-radius: 6px; cursor: pointer;
  border: 1px solid var(--line); background: transparent;
  color: var(--fg); font-size: 12px; font-weight: 600; font-family: inherit;
  display: inline-flex; align-items: center; justify-content: center;
  transition: transform .15s, background .18s, border-color .18s;
}
.rb:hover { transform: translateY(-1px); }
.rb:active { transform: scale(.93); }
.rb.like { color: #ff8fa3; }
.rb.like:hover { background: rgba(255,84,112,.26); border-color: rgba(255,84,112,.6); color: #fff; }
.rb.hate { color: #9aa0ac; }
.rb.hate:hover { background: rgba(120,126,140,.28); border-color: rgba(150,156,170,.6); color: #fff; }
/* 移动端压缩 */
@media (max-width: 700px) {
  .rate-group .rg-label { display: none; }
  .rate-group { padding: 2px 4px; gap: 2px; }
  .rb { width: 21px; height: 21px; font-size: 11px; }
}


/* ============================================================
   评分模式：格子内的打分按钮行
   ============================================================ */
.cell .rate-row {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 8;
  display: flex; justify-content: center; gap: 3px;
  padding: 5px 4px;
  background: linear-gradient(transparent, rgba(6,7,11,.92) 42%);
  opacity: 0; transform: translateY(6px);
  transition: opacity .2s, transform .2s;
}
body.rating .cell .rate-row { opacity: 1; transform: none; }
.cell .rbtn {
  flex: 0 0 auto; width: 26px; height: 24px; border-radius: 6px; cursor: pointer;
  border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.08);
  color: #dfe3ec; font-size: 10px; font-weight: 700; font-family: inherit;
  display: inline-flex; align-items: center; justify-content: center;
  transition: transform .14s, background .16s, border-color .16s;
}
.cell .rbtn:hover { transform: translateY(-2px) scale(1.08); }
.cell .rbtn.like:hover { background: rgba(255,84,112,.7); border-color: #ff5470; }
.cell .rbtn.hate:hover { background: rgba(120,126,140,.7); border-color: #9aa0ac; }
.cell .rbtn.on { box-shadow: 0 0 0 2px rgba(255,255,255,.85) inset; background: rgba(255,255,255,.24); }
.cell .rbtn.like.on { background: #ff2d55; border-color: #ff2d55; color: #fff; }
.cell .rbtn.hate.on { background: #6b6f7a; border-color: #9aa0ac; color: #fff; }
/* 评分模式下悬停整个格子时也显示 */
body.rating .cell:hover .rate-row { opacity: 1; }
/* 评分模式下图片底部留白 */
body.rating .cell .nm { bottom: 34px; }
body.rating .cell .heart { bottom: 36px; }

@media (max-width: 700px) {
  .cell .rbtn { width: 22px; height: 20px; font-size: 9px; }
  .cell .rate-row { gap: 2px; padding: 4px 2px; }
  body.rating .cell .nm { bottom: 28px; }
}

/* 评分按钮激活态 */
#btnRate.on { background: rgba(255,84,112,.22); border-color: rgba(255,84,112,.6); color: #ff8fa3; }


/* ============================================================
   性能修复层（最高优先级）
   背景：此前给每个 .cell 加了 backdrop-filter，100+ 格子各自模糊背景，
   叠加全屏极光 blur 与滚动重绘，导致滚动明显卡顿。
   这里把「每帧重绘代价高但视觉收益低」的效果替换为等价静态实现。
   ============================================================ */

/* 1) 移除每个格子的 backdrop-filter —— 改为不透明背景，视觉几乎一致 */
.cell {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  background: rgba(20, 23, 33, .82) !important;
}

/* 2) #bg 已是 position:fixed，不需要 background-attachment（消除滚动重绘） */
#bg {
  background-attachment: scroll !important;
}

/* 3) 极光去掉 filter:blur —— 径向渐变本身已柔和，blur 只是白白多一层全屏卷积 */
#aurora {
  filter: none !important;
  opacity: .85;
}

/* 4) 卡片阴影降复杂度（大范围模糊阴影在滚动时也要重绘） */
.cell {
  box-shadow: 0 2px 8px rgba(0,0,0,.28) !important;
}
.cell:hover {
  box-shadow: 0 10px 26px rgba(0,0,0,.45), 0 0 0 1px var(--line-strong) !important;
}

/* 5) 缩略图不再做 hover 缩放（transform 会触发图层重绘） */
.cell:hover img.thumb { transform: none !important; }

/* 6) 文字提示：给小图（游戏图标 16-48px）用像素渲染，放大后不糊 */
.cell img.thumb.pixel {
  object-position: center;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: pixelated;
  object-fit: contain !important;
  padding: 14%;
}

/* 7) 评分目标高亮环（让用户知道 W/S 会打给谁） */
.cell.rate-focus {
  outline: 2.5px solid #ff5470;
  outline-offset: -3px;
}

/* 8) 顶部栏滚动时的阴影改用更廉价的实现 */
header.scrolled { backdrop-filter: blur(14px) saturate(160%); }


/* 卡片底色统一（.dircell 是两类选择器，优先级高于 .cell，需单独覆盖） */
.cell.dircell {
  background: rgba(20, 23, 33, .84) !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}
.cell.dircell:hover { background: rgba(30, 36, 52, .9) !important; }
.cell.media { background: rgba(20, 23, 33, .84) !important; }