:root{
  --brand:#1e3a8a; --brand-2:#2563eb; --brand-light:#eff6ff;
  --ink:#0f172a; --ink-2:#475569; --ink-3:#94a3b8;
  --line:#e2e8f0; --bg:#f5f7fb; --card:#fff;
  --ok:#10b981; --warn:#f59e0b; --bad:#ef4444;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",
    "Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--ink);font-size:13.5px;line-height:1.55;
}
button,input{font-family:inherit;font-size:13.5px}

/* ---------- 登录 ---------- */
.adm-mask{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0f172a 0%,#1e3a8a 55%,#2563eb 100%);z-index:99}
.adm-login{width:392px;background:#fff;border-radius:16px;padding:34px 34px 26px;
  box-shadow:0 24px 60px rgba(15,23,42,.35)}
.adm-login-brand{display:flex;align-items:center;gap:11px;margin-bottom:24px}
.adm-login-brand img{width:38px;height:38px;object-fit:contain;border-radius:9px;
  border:1px solid var(--line);background:#fff}
.adm-login-brand h2{font-size:17px;color:var(--brand);letter-spacing:.5px}
.adm-login-brand span{display:block;font-size:8.5px;color:var(--ink-3);letter-spacing:.4px}
.adm-login h3{font-size:20px;margin-bottom:4px}
.adm-sub{color:var(--ink-3);font-size:12.5px;margin-bottom:18px}
.adm-login label{display:block;font-size:12px;color:var(--ink-2);margin:0 0 5px}
.adm-login input{width:100%;height:40px;padding:0 12px;margin-bottom:12px;
  border:1px solid var(--line);border-radius:9px;outline:none}
.adm-login input:focus{border-color:var(--brand-2);box-shadow:0 0 0 3px #dbeafe}
.adm-err{min-height:18px;color:var(--bad);font-size:12.5px;margin-bottom:6px}
.adm-back{display:block;text-align:center;margin-top:14px;color:var(--ink-3);
  font-size:12.5px;text-decoration:none}
.adm-back:hover{color:var(--brand-2)}

/* ---------- 布局 ---------- */
.adm-head{height:58px;background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;padding:0 22px;
  position:sticky;top:0;z-index:20}
.adm-head-l{display:flex;align-items:center;gap:10px}
.adm-head-l img{width:32px;height:32px;object-fit:contain;border-radius:8px;
  border:1px solid var(--line)}
.adm-head-l strong{display:block;font-size:14.5px;color:var(--brand)}
.adm-head-l span{font-size:11.5px;color:var(--ink-3)}
.adm-head-r{display:flex;gap:8px}
.adm-main{padding:20px 22px 40px;max-width:1460px;margin:0 auto}

.adm-btn{height:34px;padding:0 15px;border:none;border-radius:8px;cursor:pointer;
  background:var(--brand-2);color:#fff;font-weight:600;transition:.15s}
.adm-btn:hover{background:#1d4fd8}
.adm-btn.ghost{background:#fff;color:var(--ink-2);border:1px solid var(--line);font-weight:500}
.adm-btn.ghost:hover{background:#f8fafc;color:var(--ink)}
.adm-btn.danger{background:var(--bad)}
.adm-btn.sm{height:27px;padding:0 10px;font-size:12px;font-weight:500}
.adm-input{height:34px;padding:0 12px;border:1px solid var(--line);border-radius:8px;
  outline:none;min-width:210px}
.adm-input:focus{border-color:var(--brand-2)}

/* ---------- 统计卡 ---------- */
.adm-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin-bottom:18px}
.adm-stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px 17px}
.adm-stat .lab{font-size:12px;color:var(--ink-3)}
.adm-stat .val{font-size:25px;font-weight:700;color:var(--brand);margin-top:2px}
.adm-stat.ok .val{color:var(--ok)}
.adm-stat.off .val{color:var(--bad)}

/* ---------- 表格 ---------- */
.adm-card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.adm-card-head{display:flex;align-items:center;justify-content:space-between;
  padding:14px 17px;border-bottom:1px solid var(--line)}
.adm-card-head h4{font-size:14.5px}
.adm-tools{display:flex;align-items:center;gap:8px}
.adm-table-wrap{overflow:auto;max-height:calc(100vh - 260px)}
.adm-table{width:100%;border-collapse:collapse;font-size:13px}
.adm-table th{position:sticky;top:0;background:#f8fafc;padding:9px 11px;text-align:left;
  font-size:11.8px;color:var(--ink-2);font-weight:600;border-bottom:1px solid var(--line);
  white-space:nowrap;z-index:2}
.adm-table td{padding:9px 11px;border-bottom:1px solid #f1f5f9;vertical-align:middle}
.adm-table tbody tr:hover{background:#f8fafc}
.adm-table td.nowrap{white-space:nowrap}
.adm-company{font-weight:600;color:var(--ink)}
.adm-sub2{font-size:11.5px;color:var(--ink-3)}
.badge{display:inline-block;padding:1px 8px;border-radius:20px;font-size:11.5px;font-weight:600}
.badge.on{background:#dcfce7;color:#15803d}
.badge.off{background:#fee2e2;color:#b91c1c}
.adm-acts{display:flex;gap:6px;flex-wrap:wrap}
.empty{padding:44px;text-align:center;color:var(--ink-3)}

/* ---------- 弹窗 ---------- */
.adm-modal{position:fixed;inset:0;background:rgba(15,23,42,.5);display:none;
  align-items:center;justify-content:center;z-index:200}
.adm-modal.show{display:flex}
.adm-modal-box{width:430px;background:#fff;border-radius:14px;padding:22px 24px 18px;
  box-shadow:0 20px 50px rgba(15,23,42,.3)}
.adm-modal-box h4{font-size:15.5px;margin-bottom:14px}
.adm-modal-box label{display:block;font-size:12px;color:var(--ink-2);margin:9px 0 5px}
.adm-modal-box input{width:100%;height:36px;padding:0 11px;border:1px solid var(--line);
  border-radius:8px;outline:none}
.adm-modal-box input:focus{border-color:var(--brand-2);box-shadow:0 0 0 3px #dbeafe}
.adm-modal-foot{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}
.adm-tip{background:#fffbeb;border:1px solid #fde68a;color:#92400e;border-radius:8px;
  padding:9px 11px;font-size:12.5px;margin-top:10px}
.adm-tip b{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px}
.adm-note{margin-top:8px;color:var(--ink-3);font-size:12px}

/* ---------- Toast ---------- */
.adm-toast{position:fixed;left:50%;top:26px;transform:translateX(-50%) translateY(-16px);
  background:#0f172a;color:#fff;padding:9px 18px;border-radius:8px;font-size:13px;
  opacity:0;pointer-events:none;transition:.22s;z-index:300}
.adm-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.adm-toast.err{background:var(--bad)}
.adm-toast.ok{background:var(--ok)}

@media (max-width:1080px){
  .adm-stats{grid-template-columns:repeat(2,1fr)}
  .adm-tools{flex-wrap:wrap}
}