/* ============================================================
   艺保链 · 管理后台样式
   后台采用深色侧边栏 + 浅色内容区，信息密度高于前台
   ============================================================ */
.admin-login-body{background:var(--c-bg-soft);display:flex;align-items:center;justify-content:center;
  min-height:100vh;padding:30px 18px}
.admin-login{width:100%;max-width:412px}
.al-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);
  padding:36px 34px 30px;box-shadow:0 10px 40px rgba(20,22,26,.07)}
.al-brand{display:flex;align-items:center;gap:13px;margin-bottom:26px}
.al-brand img{height:38px;width:auto}
.al-mark{width:42px;height:42px;border-radius:10px;background:var(--c-txt);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:600;flex:none}
.al-brand b{display:block;font-size:15.5px;font-weight:600}
.al-brand span{display:block;font-size:11px;color:var(--c-txt-3);letter-spacing:.6px;margin-top:2px}
.al-foot{text-align:center;font-size:13px;color:var(--c-txt-3);margin-top:20px;
  padding-top:18px;border-top:1px solid var(--c-line);display:flex;gap:9px;justify-content:center}
.al-foot a{color:var(--c-txt-2)}
.al-foot a:hover{color:var(--c-primary)}
.al-note{text-align:center;font-size:12px;color:var(--c-txt-3);margin-top:22px;line-height:1.8}

/* ---------------- 后台框架 ---------------- */
.adm{display:flex;min-height:100vh;background:var(--c-bg-soft)}
.adm-side{width:216px;flex:none;background:#15171d;color:#a8aebd;position:sticky;top:0;
  height:100vh;overflow-y:auto;display:flex;flex-direction:column}
.adm-side::-webkit-scrollbar{width:5px}
.adm-side::-webkit-scrollbar-thumb{background:#3a3f4d;border-radius:3px}
.adm-logo{display:flex;align-items:center;gap:10px;padding:18px 18px;border-bottom:1px solid #23262f}
.adm-logo img{height:28px;width:auto;filter:brightness(0) invert(1)}
.adm-logo .am{width:30px;height:30px;border-radius:8px;background:#fff;color:#15171d;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:600;flex:none}
.adm-logo b{color:#fff;font-size:14px;font-weight:600;letter-spacing:.2px;white-space:nowrap}
.adm-nav{flex:1;padding:14px 10px 26px}
.adm-g{margin-bottom:16px}
.adm-g-t{font-size:10.5px;color:#5c6373;letter-spacing:.9px;padding:0 9px;margin-bottom:6px;
  text-transform:uppercase}
.adm-nav a{display:flex;align-items:center;gap:9px;padding:9px 10px;border-radius:6px;
  color:#a8aebd;font-size:13.5px;transition:.14s;margin-bottom:1px}
.adm-nav a:hover{background:#23262f;color:#fff}
.adm-nav a.on{background:#2f6bff;color:#fff;font-weight:500}
.adm-nav a .badge{margin-left:auto;background:#d93f3f;color:#fff;font-size:10.5px;
  padding:1px 6px;border-radius:9px;line-height:1.5}
.adm-nav a.on .badge{background:rgba(255,255,255,.26)}
.adm-nav svg{width:16px;height:16px;flex:none;opacity:.88}

.adm-main{flex:1;min-width:0;display:flex;flex-direction:column}
.adm-top{height:56px;background:#fff;border-bottom:1px solid var(--c-line);display:flex;
  align-items:center;gap:16px;padding:0 24px;position:sticky;top:0;z-index:30}
.adm-top h1{font-size:16px;font-weight:600;flex:1;min-width:0;white-space:nowrap;
  overflow:hidden;text-overflow:ellipsis}
.adm-top .at-links{display:flex;align-items:center;gap:16px;font-size:13px}
.adm-top .at-links a{color:var(--c-txt-2)}
.adm-top .at-links a:hover{color:var(--c-primary)}
.adm-me{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-txt-2)}
.adm-me .am-av{width:28px;height:28px;border-radius:50%;background:var(--c-txt);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600}
.adm-toggle{display:none;font-size:18px;color:var(--c-txt-2)}
.adm-body{padding:24px;flex:1}

.adm-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-m);overflow:hidden}
.adm-card+.adm-card{margin-top:16px}
.adm-card-h{padding:15px 20px;border-bottom:1px solid var(--c-line);display:flex;
  align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.adm-card-h h3{font-size:14.5px;font-weight:600}
.adm-card-h .sub{font-size:12.5px;color:var(--c-txt-3)}
.adm-card-b{padding:20px}

.adm-stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(152px,1fr));gap:14px;
  margin-bottom:18px}
.adm-stat{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-m);padding:16px 18px}
.adm-stat .n{font-size:23px;font-weight:600;letter-spacing:-.6px;font-variant-numeric:tabular-nums;
  line-height:1.25}
.adm-stat .l{font-size:12.5px;color:var(--c-txt-3);margin-top:2px}
.adm-stat.accent .n{color:var(--c-primary)}
.adm-stat.warn .n{color:var(--c-orange)}
.adm-stat.ok .n{color:var(--c-green)}

.adm-filter{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:14px 20px;
  border-bottom:1px solid var(--c-line);background:var(--c-bg-soft)}
.adm-filter .inp,.adm-filter .sel{height:34px;font-size:13px;width:auto;min-width:130px}
.adm-filter .grow-inp{flex:1;min-width:170px}

/* 后台表格增强 */
.adm .tbl th{background:#fff;font-size:12px;padding:10px 12px;color:var(--c-txt-3);
  border-bottom:1px solid var(--c-line-2);text-transform:none}
.adm .tbl td{padding:11px 12px;font-size:13px}
.adm .tbl-thumb{width:52px;height:52px}
.adm .tbl-thumb-empty{width:52px;height:52px}

/* 后台设置项 */
.set-row{display:flex;gap:20px;padding:16px 0;border-bottom:1px solid var(--c-line);
  align-items:flex-start}
.set-row:last-child{border-bottom:0}
.set-row>label.st-l{width:172px;flex:none;font-size:13.5px;font-weight:500;padding-top:9px}
.set-row>label.st-l .st-hint{display:block;font-weight:400;font-size:12px;color:var(--c-txt-3);
  margin-top:3px;line-height:1.6}
.set-row .st-f{flex:1;min-width:0}
.set-row .st-f .inp,.set-row .st-f .sel{max-width:460px}
.set-row .st-f .tarea{max-width:100%}
.set-row .st-tip{font-size:12px;color:var(--c-txt-3);margin-top:6px;line-height:1.7}
.set-row .st-tip code{background:var(--c-bg-tint);padding:1px 5px;border-radius:3px}
.st-grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.st-grid2 .inp,.st-grid2 .sel{max-width:none}
.set-group{margin-bottom:26px}
.set-group-t{font-size:13px;font-weight:600;color:var(--c-txt);padding-bottom:10px;
  border-bottom:1px solid var(--c-line-2);margin-bottom:4px;display:flex;align-items:center;gap:8px}
.set-group-t::before{content:"";width:3px;height:13px;background:var(--c-txt);border-radius:2px}

/* 侧栏分类 */
.adm-cats{display:flex;gap:4px;flex-wrap:wrap}
.adm-cats a{padding:5px 12px;border-radius:15px;font-size:13px;color:var(--c-txt-2)}
.adm-cats a:hover{background:var(--c-bg-tint)}
.adm-cats a.on{background:var(--c-txt);color:#fff}

/* 详情双栏 */
.adm-detail{display:grid;grid-template-columns:1fr 348px;gap:18px;align-items:flex-start}
.adm-detail .side{position:static;width:auto}
@media (max-width:1000px){
  .adm-side{position:fixed;left:0;top:0;z-index:120;transform:translateX(-100%);
    transition:.22s;box-shadow:6px 0 30px rgba(0,0,0,.2)}
  .adm-side.open{transform:none}
  .adm-toggle{display:block}
  .adm-body{padding:16px}
  .adm-detail{grid-template-columns:1fr}
  .set-row{flex-direction:column;gap:8px}
  .set-row>label.st-l{width:auto;padding-top:0}
  .set-row .st-f .inp,.set-row .st-f .sel{max-width:none}
  .st-grid2{grid-template-columns:1fr}
  .adm-top{padding:0 16px}
}
@media (max-width:560px){
  .adm-filter{padding:12px 14px}
  .adm-filter .inp,.adm-filter .sel,.adm-filter .grow-inp{width:100%;min-width:0}
}

/* ---------------- 环境检查 ---------------- */
.chk-row{display:flex;align-items:flex-start;gap:10px;padding:9px 0;border-bottom:1px solid var(--c-line);
  font-size:13px}
.chk-row:last-child{border-bottom:0}
.chk-ico{width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;flex:none;margin-top:2px}
.chk-ico.ok{background:var(--c-green-l);color:var(--c-green)}
.chk-ico.no{background:var(--c-orange-l);color:var(--c-orange)}
.chk-row b{font-weight:500;display:block}
.chk-row .dim{font-size:12px;display:block;margin-top:1px}

/* ---------------- 批量操作条 ---------------- */
.adm-batch{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:12px 18px;background:#fff;border:1px solid var(--c-line);border-top:0;
  border-bottom:1px solid var(--c-line)}
.ab-left{display:flex;align-items:center;gap:16px;font-size:13px}
.ab-right{display:flex;gap:8px;flex-wrap:wrap}

/* ---------------- 后台预览 ---------------- */
.preview-main{border:1px solid var(--c-line);border-radius:var(--r-m);overflow:hidden;
  background:var(--c-bg-soft);margin-bottom:12px}
.preview-main img{width:100%;max-height:520px;object-fit:contain;cursor:zoom-in;background:#fff}
.preview-thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:10px}
.preview-thumbs>img{aspect-ratio:1;object-fit:cover;border-radius:var(--r-s);
  border:1px solid var(--c-line);cursor:zoom-in;transition:.16s}
.preview-thumbs>img:hover{border-color:var(--c-primary);transform:translateY(-2px)}
.pv-thumb-item{position:relative}
.pv-thumb-item img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:var(--r-s);
  border:1px solid var(--c-line);cursor:zoom-in}
.pv-thumb-item span{display:block;text-align:center;font-size:11.5px;color:var(--c-txt-3);margin-top:5px}
.adm-pre{background:#1a1d24;color:#c8d0e0;font-size:11.5px;line-height:1.75;padding:14px;
  border-radius:var(--r-s);overflow:auto;max-height:320px;margin:0;white-space:pre-wrap;word-break:break-all}

/* ---------------- 链路诊断 ---------------- */
.chain-row{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 0;border-bottom:1px solid var(--c-line);font-size:13.5px}
.chain-row:last-of-type{border-bottom:0}
.chain-row b{font-weight:500}

/* ============================================================
   外观样式编辑器（网站信息设置 → 外观与字体）
   ============================================================ */
/* 色板行：色块 + 色值输入 + 取色器 */
.clr-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.clr-sw{width:38px;height:38px;flex:none;border-radius:8px;border:1px solid var(--c-line-2);
  padding:0;cursor:pointer;overflow:hidden;position:relative;background:#fff}
.clr-sw input[type=color]{position:absolute;inset:-6px;width:calc(100% + 12px);height:calc(100% + 12px);
  border:0;padding:0;background:none;cursor:pointer}
.clr-txt{width:112px;flex:none;font-family:var(--f-mono);font-size:12.5px;text-transform:lowercase;
  height:38px}
.clr-name{font-size:12.5px;color:var(--c-txt-3)}
.clr-row .clr-reset{font-size:12px;color:var(--c-txt-3);text-decoration:underline;
  text-underline-offset:3px;cursor:pointer}
.clr-row .clr-reset:hover{color:var(--c-primary)}

/* 配色方案卡 */
.scheme-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:12px}
.scheme{position:relative;border:1px solid var(--c-line-2);border-radius:var(--r-m);
  padding:14px;cursor:pointer;transition:.16s;background:#fff;display:block}
.scheme:hover{border-color:var(--c-txt-3);transform:translateY(-1px)}
.scheme input{position:absolute;opacity:0;pointer-events:none}
.scheme.on{border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-a09)}
.scheme.on::after{content:"✓";position:absolute;right:10px;top:8px;font-size:12px;font-weight:700;
  color:var(--c-primary)}
.scheme-bars{display:flex;gap:4px;margin-bottom:11px}
.scheme-bars i{width:100%;height:22px;border-radius:4px;display:block;border:1px solid rgba(0,0,0,.05)}
.scheme b{font-size:13px;font-weight:500;display:block}

/* 圆角 / 阴影参数 */
.rgx-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.rgx-prev{width:74px;height:52px;flex:none;border:1px solid var(--c-line-2);
  background:var(--c-bg-soft);display:flex;align-items:center;justify-content:center;
  font-size:11px;color:var(--c-txt-3)}
.rgx-prev i{display:block;background:var(--c-primary);width:44px;height:28px}

/* 字号 / 行高 range */
.rng-row{display:flex;align-items:center;gap:12px;max-width:460px}
.rng-row input[type=range]{flex:1;accent-color:var(--c-primary);height:20px}
.rng-val{width:62px;flex:none;font-family:var(--f-mono);font-size:12.5px;text-align:center;
  background:var(--c-bg-tint);border-radius:5px;padding:4px 0}

/* 实时预览面板 */
.th-pv{border:1px solid var(--c-line);border-radius:var(--r-m);overflow:hidden;background:var(--c-bg)}
.th-pv-bar{display:flex;align-items:center;gap:6px;padding:10px 14px;
  border-bottom:1px solid var(--c-line);background:var(--c-bg-soft)}
.th-pv-bar i{width:8px;height:8px;border-radius:50%;background:var(--c-line-2);display:block}
.th-pv-bar span{margin-left:8px;font-size:12px;color:var(--c-txt-3)}
.th-pv-body{padding:0}
.th-pv-hd{display:flex;align-items:center;gap:20px;padding:13px 20px;
  border-bottom:1px solid var(--c-line);background:var(--c-bg)}
.th-pv-logo{display:flex;align-items:center;gap:9px}
.th-pv-mark{width:26px;height:26px;border-radius:var(--r-s);background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600}
.th-pv-name{font-size:14px;font-weight:600;color:var(--c-txt)}
.th-pv-nav{display:flex;gap:16px;font-size:13px;margin-left:auto}
.th-pv-nav em{font-style:normal;color:var(--c-txt-2)}
.th-pv-hero{padding:26px 20px 20px;background:linear-gradient(180deg,var(--c-bg) 0%,var(--c-bg-soft) 100%)}
.th-pv-hero h4{font-size:20px;font-weight:600;color:var(--c-txt);letter-spacing:-.4px;line-height:1.4}
.th-pv-hero p{font-size:13px;color:var(--c-txt-2);margin-top:9px;line-height:1.85}
.th-pv-btns{display:flex;gap:8px;margin-top:16px}
.th-pv-btn{height:32px;padding:0 16px;border-radius:var(--r-s);font-size:13px;display:inline-flex;
  align-items:center;background:var(--c-primary);color:#fff}
.th-pv-btn.line{background:transparent;border:1px solid var(--c-line-2);color:var(--c-txt-2)}
.th-pv-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--c-line);
  border-top:1px solid var(--c-line)}
.th-pv-card{background:var(--c-bg);padding:16px 14px;border-radius:var(--r-m)}
.th-pv-card b{font-size:13px;color:var(--c-txt)}
.th-pv-card p{font-size:11.5px;color:var(--c-txt-3);margin-top:5px;line-height:1.7}
.th-pv-card .pill{display:inline-block;font-size:10.5px;padding:1px 7px;border-radius:9px;
  background:var(--c-primary-l);color:var(--c-primary-d);margin-bottom:7px}
.th-pv-card .pill.g{background:var(--c-green-l);color:var(--c-green)}
.th-pv-card .pill.o{background:var(--c-orange-l);color:var(--c-orange)}
.th-pv-foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:13px 20px;
  border-top:1px solid var(--c-line);background:var(--c-bg-soft);
  font-size:11.5px;color:var(--c-txt-3)}
@media (max-width:560px){
  .th-pv-cards{grid-template-columns:1fr}
  .th-pv-nav{display:none}
  .clr-txt{width:96px}
}