/* ==========================================================
   管理后台 · 纯黑主题（参考拼多多商家后台操作逻辑）
   左侧菜单 / 顶部数据概览 / 表格列表 / 筛选搜索 / 批量操作
   字体：思源黑体（Noto Sans SC，自托管 woff2）
   ========================================================== */
:root{
  --bg:#000000;
  --bg2:#0a0a0c;
  --panel:#0f1012;
  --panel-2:#17181b;
  --line:#232428;
  --line-2:#33343a;
  --txt:#f2f3f5;
  --txt-2:#a2a8b2;
  --txt-3:#6b7280;
  --accent:#e34d5f;
  --accent-2:#c73a4c;
  --ok:#34c98a;
  --warn:#e0a020;
  --info:#4c93f7;
  --r:10px;
  --shadow:0 8px 24px rgba(0,0,0,.7);
  /* FONT-V1：思源黑体 */
  --font-sans:"Noto Sans SC","Source Han Sans SC","思源黑体","Noto Sans CJK SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Consolas,"Courier New",monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:var(--font-sans);
  background:var(--bg);color:var(--txt);font-size:13.5px;line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:13px;color:var(--txt)}
[hidden]{display:none!important}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#2c313b;border-radius:8px}
::-webkit-scrollbar-track{background:transparent}

/* ---------------- 登录页 ---------------- */
.login-body{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(1000px 520px at 20% -10%,rgba(227,77,95,.13),transparent),
             radial-gradient(900px 500px at 90% 110%,rgba(76,147,247,.10),transparent),var(--bg);
  padding:20px;
}
.login-card{
  width:380px;max-width:100%;background:var(--panel);border:1px solid var(--line);
  border-radius:16px;padding:34px 30px;box-shadow:var(--shadow);
}
.login-logo{
  width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,#e34d5f,#c73a4c);
  display:flex;align-items:center;justify-content:center;margin:0 auto 14px;color:#fff;font-weight:800;font-size:20px;
}
.login-card h1{font-size:19px;font-weight:800;text-align:center}
.login-sub{font-size:12px;color:var(--txt-3);text-align:center;margin:6px 0 22px}
.f-label{display:block;font-size:12px;color:var(--txt-2);margin:0 0 6px 2px}
.f-input{
  width:100%;height:44px;background:var(--bg2);border:1px solid var(--line);
  border-radius:9px;padding:0 13px;outline:none;transition:.15s;margin-bottom:14px;
}
.f-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(227,77,95,.13)}
.f-err{font-size:12.5px;color:#ff7b8a;min-height:18px;margin-bottom:8px}
.btn-main{
  width:100%;height:44px;border-radius:9px;background:linear-gradient(135deg,#e34d5f,#c73a4c);
  color:#fff;font-weight:700;font-size:14.5px;transition:.15s;
}
.btn-main:hover{filter:brightness(1.08)}
.btn-main:disabled{opacity:.6;cursor:not-allowed}
.login-foot{font-size:11.5px;color:var(--txt-3);text-align:center;margin-top:16px}

/* ---------------- 布局 ---------------- */
.shell{display:grid;grid-template-columns:216px 1fr;min-height:100vh}
.side{
  background:var(--bg2);border-right:1px solid var(--line);padding:14px 10px;
  position:sticky;top:0;height:100vh;overflow:auto;
}
.side-logo{display:flex;align-items:center;gap:9px;padding:6px 8px 16px}
.side-logo .lg{
  width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#e34d5f,#c73a4c);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;flex:none;
}
.side-logo b{font-size:14.5px}
.side-logo span{display:block;font-size:10.5px;color:var(--txt-3);font-weight:400}
.menu-item{
  display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border-radius:9px;
  color:var(--txt-2);font-size:13.5px;margin-bottom:3px;transition:.13s;font-weight:500;
}
.menu-item svg{flex:none;opacity:.85}
.menu-item:hover{background:var(--panel-2);color:var(--txt)}
.menu-item.active{background:linear-gradient(135deg,rgba(227,77,95,.18),rgba(199,58,76,.1));color:#ff8d9b;font-weight:700}
.menu-item .bdg{
  margin-left:auto;background:var(--accent);color:#fff;font-size:10.5px;border-radius:999px;
  padding:1px 7px;font-weight:700;
}
.menu-group{font-size:11px;color:var(--txt-3);padding:14px 12px 6px;font-weight:600;letter-spacing:.5px}

.main{min-width:0;display:flex;flex-direction:column}
.topbar{
  height:56px;display:flex;align-items:center;gap:14px;padding:0 20px;
  background:rgba(0,0,0,.86);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:30;
}
.crumb{font-size:14px;font-weight:700}
.crumb small{color:var(--txt-3);font-weight:400;margin-left:8px;font-size:12px}
.top-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.role-tag{
  font-size:11px;color:#ff8d9b;background:rgba(227,77,95,.14);border-radius:6px;padding:3px 9px;font-weight:600;
}
.admin-name{font-size:13px;color:var(--txt-2)}
.link-btn{font-size:12.5px;color:var(--txt-3)}
.link-btn:hover{color:#ff8d9b}

.content{padding:18px 20px 40px;max-width:1460px;width:100%}

/* ---------------- 指标卡 ---------------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}
.metric{
  background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:15px 16px;
  position:relative;overflow:hidden;
}
.metric::after{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);opacity:.85}
.metric.b::after{background:var(--info)}
.metric.c::after{background:var(--ok)}
.metric.d::after{background:var(--warn)}
.metric .k{font-size:12px;color:var(--txt-2);display:flex;align-items:center;gap:6px}
.metric .v{font-size:24px;font-weight:800;margin-top:6px;font-variant-numeric:tabular-nums}
.metric .s{font-size:11.5px;color:var(--txt-3);margin-top:4px}
.metric .s b.up{color:var(--ok)}
.metric .s b.down{color:#ff7b8a}

/* ---------------- 面板与表格 ---------------- */
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:12px;margin-bottom:16px;overflow:hidden;
}
.card-h{
  display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line);
  flex-wrap:wrap;
}
.card-h h3{font-size:14.5px;font-weight:700}
.card-h .sp{flex:1}
.card-b{padding:16px}
/* UI-V3：站点设置页 */
.set-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.dim{font-size:12.5px;color:var(--txt-2);line-height:1.9}
.dim a{word-break:break-all}
.code-out{margin-top:12px;padding:12px 13px;border:1px solid var(--line);border-radius:var(--r);
  background:#050506;color:#c9ced8;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;
  font-size:12px;line-height:1.8;white-space:pre-wrap;word-break:break-all}

.filters{display:flex;flex-wrap:wrap;gap:9px;padding:13px 16px;border-bottom:1px solid var(--line);align-items:center}
.f-sel,.f-inp{
  height:34px;background:var(--bg2);border:1px solid var(--line);border-radius:8px;
  padding:0 11px;outline:none;transition:.15s;
}
.f-inp{width:190px}
.f-sel:focus,.f-inp:focus{border-color:var(--accent)}
.f-date{width:150px}

table{width:100%;border-collapse:collapse}
th{
  text-align:left;font-size:12px;color:var(--txt-3);font-weight:600;
  padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap;background:var(--bg2);
}
td{padding:11px 12px;border-bottom:1px solid #191a1e;font-size:13px;vertical-align:middle}
tr:hover td{background:#141518}
td.strong{font-weight:700}
.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;color:#c9ced8}
.table-wrap{overflow-x:auto}
.empty-row td{text-align:center;color:var(--txt-3);padding:34px 12px}

/* 状态徽章 */
.pill{
  display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:600;
  border-radius:999px;padding:3px 10px;white-space:nowrap;
}
.pill::before{content:'';width:6px;height:6px;border-radius:50%;background:currentColor}
.pill.ok{color:#4ddb9c;background:rgba(52,201,138,.13)}
.pill.warn{color:#f0b845;background:rgba(224,160,32,.13)}
.pill.err{color:#ff8d9b;background:rgba(227,77,95,.13)}
.pill.info{color:#8fb6fa;background:rgba(76,147,247,.13)}
.pill.gray{color:#8d94a1;background:rgba(139,147,162,.12)}

/* 按钮 */
.btn{
  height:32px;padding:0 13px;border-radius:8px;font-size:12.5px;font-weight:600;
  border:1px solid var(--line-2);color:var(--txt-2);transition:.13s;white-space:nowrap;
}
.btn:hover{border-color:#4a505c;color:var(--txt)}
.btn.pri{background:linear-gradient(135deg,#e34d5f,#c73a4c);border:none;color:#fff}
.btn.pri:hover{filter:brightness(1.08)}
.btn.ok{border-color:rgba(52,201,138,.5);color:#4ddb9c}
.btn.warn{border-color:rgba(224,160,32,.5);color:#f0b845}
.btn.sm{height:27px;padding:0 9px;font-size:11.5px;border-radius:7px}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-row{display:flex;gap:7px;flex-wrap:wrap;align-items:center}
.link-act{color:#8fb6fa;font-size:12.5px;margin-right:9px;cursor:pointer}
.link-act.danger{color:#ff8d9b}
.link-act:hover{text-decoration:underline}

/* 分页 */
.pager{display:flex;align-items:center;gap:8px;padding:13px 16px;font-size:12.5px;color:var(--txt-3)}
.pager .btn{height:29px;padding:0 11px}
.pager input{width:52px;height:29px;background:var(--bg2);border:1px solid var(--line);border-radius:7px;text-align:center;outline:none}
.pager .cur{color:#ff8d9b;font-weight:700}

/* 弹窗 */
.mask{
  position:fixed;inset:0;background:rgba(4,6,10,.66);backdrop-filter:blur(2px);
  z-index:60;display:flex;align-items:flex-start;justify-content:center;padding:7vh 18px 18px;overflow:auto;
}
.modal{
  width:520px;max-width:100%;background:var(--panel);border:1px solid var(--line-2);
  border-radius:14px;box-shadow:var(--shadow);animation:pop .16s ease;
}
.modal.wide{width:720px}
@keyframes pop{from{transform:translateY(8px);opacity:0}}
.modal-h{display:flex;align-items:center;padding:15px 18px;border-bottom:1px solid var(--line)}
.modal-h h3{font-size:15px;font-weight:700}
.modal-x{margin-left:auto;font-size:19px;color:var(--txt-3);width:29px;height:29px;border-radius:7px}
.modal-x:hover{background:var(--panel-2);color:var(--txt)}
.modal-b{padding:18px}
.modal-f{display:flex;gap:9px;justify-content:flex-end;padding:13px 18px;border-top:1px solid var(--line)}
.desc-grid{display:grid;grid-template-columns:110px 1fr;gap:9px 12px;font-size:13px}
.desc-grid .dk{color:var(--txt-3)}
.desc-grid .dv{word-break:break-all}
.f-ta{
  width:100%;min-height:110px;background:var(--bg2);border:1px solid var(--line);border-radius:9px;
  padding:11px 13px;outline:none;resize:vertical;font-family:ui-monospace,Consolas,monospace;font-size:12px;
}
.f-ta:focus{border-color:var(--accent)}

/* Toast */
.toast{
  position:fixed;left:50%;bottom:34px;transform:translateX(-50%);z-index:90;
  background:#1b1c20;border:1px solid var(--line-2);color:var(--txt);font-size:13px;
  padding:11px 18px;border-radius:11px;box-shadow:var(--shadow);max-width:88vw;animation:pop .18s ease;
}
.toast.err{border-color:rgba(227,77,95,.6);color:#ff8d9b}
.toast.ok{border-color:rgba(52,201,138,.6);color:#4ddb9c}

/* 图表 */
.chart-wrap{padding:8px 6px 2px}
.chart-legend{display:flex;gap:16px;padding:4px 12px 12px;font-size:11.5px;color:var(--txt-2);flex-wrap:wrap}
.chart-legend i{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:5px;vertical-align:-1px}

/* 自检 */
.diag-list{display:flex;flex-direction:column;gap:8px}
.diag-item{
  display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line);
  border-radius:10px;padding:10px 12px;background:var(--bg2);
}
.diag-item.pass{background:rgba(52,201,138,.07);border-color:rgba(52,201,138,.28)}
.diag-item.warn{background:rgba(224,160,32,.07);border-color:rgba(224,160,32,.28)}
.diag-item.fail{background:rgba(227,77,95,.07);border-color:rgba(227,77,95,.3)}
.diag-ico{
  width:20px;height:20px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;
  font-size:12px;color:#fff;font-weight:700;margin-top:1px;background:#4a4f58;
}
.diag-item.pass .diag-ico{background:var(--ok)}
.diag-item.warn .diag-ico{background:var(--warn)}
.diag-item.fail .diag-ico{background:var(--accent)}
.diag-item.run .diag-ico{background:#7c5cf0}
.diag-body{min-width:0;flex:1}
.diag-name{font-size:13px;font-weight:700;display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.diag-ms{font-size:10.5px;color:var(--txt-3);font-weight:400}
.diag-msg{font-size:12px;color:var(--txt-2);margin-top:3px;word-break:break-word}
.diag-fix{font-size:11.5px;color:#b18cff;margin-top:4px;background:rgba(124,92,240,.1);border-radius:7px;padding:5px 8px}
.spin{animation:rot 1s linear infinite;display:inline-block}
@keyframes rot{to{transform:rotate(360deg)}}

/* 响应式 */
.menu-toggle{display:none}
@media (max-width:960px){
  .shell{grid-template-columns:1fr}
  .side{
    position:fixed;left:0;top:0;bottom:0;width:250px;z-index:70;transform:translateX(-100%);
    transition:.2s;height:100vh;
  }
  .side.open{transform:none}
  .menu-toggle{display:flex}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .f-inp{width:140px}
  .content{padding:14px 12px 40px}
}
.side-mask{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:65}