:root{
  --c-primary:#2b7fff;
  --c-primary-d:#1a6ff0;
  --c-indigo:#4f46e5;
  --c-text:#1f2430;
  --c-text-2:#4a5165;
  --c-text-3:#8b93a7;
  --c-line:#e8ebf2;
  --c-line-2:#dfe3ec;
  --c-bg:#f5f6fa;
  --c-white:#fff;
  --c-ok:#18a058;
  --c-ok-bg:#e7f8ee;
  --c-err:#e03e3e;
  --c-err-bg:#feecec;
  --c-warn:#c77a00;
  --c-warn-bg:#fff6e5;
  --r-sm:9px;
  --r-md:12px;
  --r-lg:16px;
  --sh-sm:0 2px 8px rgba(24,32,64,.05);
  --sh-md:0 8px 28px rgba(24,32,64,.08);
  --sh-lg:0 16px 48px rgba(24,32,64,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--c-bg);color:var(--c-text);line-height:1.65;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  font-size:14px;
}
a{color:var(--c-primary);text-decoration:none}
a:hover{text-decoration:underline}
code,.mono{
  font-family:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  font-size:12.5px;background:#f2f4f9;padding:2px 7px;border-radius:5px;
  color:#2f3a52;word-break:break-all;
}
pre{margin:0}
pre code{display:block;padding:0;background:none;color:inherit;font-size:12.5px;line-height:1.75;word-break:normal}

.layout{display:flex;min-height:100vh}
.sidebar{
  width:228px;flex:0 0 228px;background:#fff;border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
}
.brand{padding:22px 22px 18px;border-bottom:1px solid var(--c-line)}
.brand h1{font-size:15px;font-weight:600;letter-spacing:.2px;display:flex;align-items:center;gap:9px}
.brand .dot{
  width:26px;height:26px;border-radius:8px;flex:0 0 26px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-indigo));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;
}
.brand p{font-size:12px;color:var(--c-text-3);margin-top:5px;padding-left:35px}
.nav{flex:1;padding:14px 12px;display:flex;flex-direction:column;gap:3px;overflow-y:auto}
.nav a{
  display:flex;align-items:center;gap:10px;padding:10px 13px;border-radius:var(--r-sm);
  color:var(--c-text-2);font-size:13.5px;transition:.15s;text-decoration:none;
}
.nav a:hover{background:#f4f7fd;color:var(--c-primary);text-decoration:none}
.nav a.on{background:#eaf2ff;color:var(--c-primary);font-weight:500}
.nav a .ico{width:17px;text-align:center;opacity:.8;font-size:15px}
.nav .sep{height:1px;background:var(--c-line);margin:8px 6px}
.side-foot{padding:12px 12px 16px;border-top:1px solid var(--c-line)}
.side-foot .v{font-size:11.5px;color:var(--c-text-3);text-align:center}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  height:62px;background:rgba(255,255,255,.85);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);display:flex;align-items:center;
  justify-content:space-between;padding:0 30px;position:sticky;top:0;z-index:20;
}
.topbar h2{font-size:16px;font-weight:600}
.topbar .who{font-size:13px;color:var(--c-text-3);display:flex;align-items:center;gap:12px}
.topbar .who b{color:var(--c-text-2);font-weight:500}
.content{padding:26px 30px 40px;flex:1}

.card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);margin-bottom:20px}
.card-h{padding:18px 22px;border-bottom:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;gap:14px}
.card-h h3{font-size:14.5px;font-weight:600}
.card-h .desc{font-size:12.5px;color:var(--c-text-3);font-weight:400;margin-top:2px}
.card-b{padding:22px}

.grid{display:grid;gap:16px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

.stat{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:18px 20px;box-shadow:var(--sh-sm)}
.stat .lbl{font-size:12.5px;color:var(--c-text-3);display:flex;align-items:center;gap:6px}
.stat .num{font-size:25px;font-weight:600;letter-spacing:-.5px;margin-top:6px;font-variant-numeric:tabular-nums}
.stat .sub{font-size:12px;color:var(--c-text-3);margin-top:3px}

.tag{display:inline-flex;align-items:center;gap:5px;padding:2px 10px;border-radius:20px;font-size:12px;font-weight:500;white-space:nowrap}
.tag.ok{background:var(--c-ok-bg);color:var(--c-ok)}
.tag.no{background:var(--c-err-bg);color:var(--c-err)}
.tag.warn{background:var(--c-warn-bg);color:var(--c-warn)}
.tag.info{background:#eaf2ff;color:var(--c-primary)}
.tag.gray{background:#f2f4f9;color:#6b7280}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  height:40px;padding:0 18px;border:none;border-radius:var(--r-sm);cursor:pointer;
  background:var(--c-primary);color:#fff;font-size:14px;font-family:inherit;font-weight:500;
  transition:.16s;white-space:nowrap;text-decoration:none;
}
.btn:hover{background:var(--c-primary-d);text-decoration:none;color:#fff}
.btn:active{transform:translateY(1px)}
.btn.block{width:100%}
.btn.lg{height:46px;font-size:15px}
.btn.sm{height:32px;padding:0 13px;font-size:13px}
.btn.ghost{background:#fff;color:var(--c-text-2);border:1.5px solid var(--c-line-2)}
.btn.ghost:hover{background:#f8fafd;border-color:#c9d2e3;color:var(--c-primary)}
.btn.danger{background:#fff;color:var(--c-err);border:1.5px solid #ffd5d5}
.btn.danger:hover{background:#fff5f5}
.btn.soft{background:#eaf2ff;color:var(--c-primary)}
.btn.soft:hover{background:#dcebff}
.btn[disabled]{opacity:.55;cursor:not-allowed}

.field{margin-bottom:18px}
.field:last-child{margin-bottom:0}
.field label{display:block;font-size:13px;color:var(--c-text-2);margin-bottom:7px;font-weight:500}
.field .tipx{font-size:12px;color:var(--c-text-3);margin-top:6px;line-height:1.6}
.field .tipx code{font-size:12px}
input[type=text],input[type=password],input[type=number],select,textarea{
  width:100%;padding:0 14px;height:44px;border:1.5px solid var(--c-line-2);
  border-radius:var(--r-sm);font-size:14px;background:#fff;color:var(--c-text);
  transition:.16s;font-family:inherit;outline:none;
}
textarea{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;min-height:96px}
input:focus,select:focus,textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(43,127,255,.13)}
input::placeholder,textarea::placeholder{color:#b3bacb}
select{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%238b93a7' d='M6 8L0 0h12z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.check{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;color:var(--c-text-2);margin:2px 0 18px;cursor:pointer}
.check input{width:16px;height:16px;margin-top:3px;accent-color:var(--c-primary);flex:0 0 16px}

.alert{padding:12px 16px;border-radius:var(--r-sm);font-size:13px;margin-bottom:18px;display:flex;gap:9px;align-items:flex-start;line-height:1.65}
.alert.err{background:var(--c-err-bg);color:#c92a2a;border:1px solid #ffd5d5}
.alert.ok{background:var(--c-ok-bg);color:#0e7a41;border:1px solid #c8efd8}
.alert.info{background:#f1f7ff;color:#1a5fb4;border:1px solid #d8e9ff}
.alert.warn{background:var(--c-warn-bg);color:#9a6200;border:1px solid #ffe6bf}

table.tb{width:100%;border-collapse:collapse;font-size:13px}
table.tb th{
  text-align:left;padding:11px 14px;background:#fafbfe;color:var(--c-text-3);
  font-weight:500;font-size:12.5px;border-bottom:1px solid var(--c-line);white-space:nowrap;
}
table.tb td{padding:11px 14px;border-bottom:1px solid #f2f4f9;color:var(--c-text-2);vertical-align:middle}
table.tb tr:last-child td{border-bottom:none}
table.tb tbody tr:hover{background:#fafcff}
table.tb .num{font-variant-numeric:tabular-nums}
.empty{padding:52px 20px;text-align:center;color:var(--c-text-3);font-size:13.5px}

.qr-wrap{display:flex;gap:34px;align-items:center;flex-wrap:wrap}
.qr-box{
  width:220px;height:220px;border-radius:var(--r-md);border:1.5px dashed var(--c-line-2);
  display:flex;align-items:center;justify-content:center;background:#fbfcfe;
  position:relative;overflow:hidden;flex:0 0 220px;
}
.qr-box img{width:100%;height:100%;display:block;object-fit:contain;padding:12px}
.qr-box .mask{
  position:absolute;inset:0;background:rgba(255,255,255,.94);display:none;
  flex-direction:column;align-items:center;justify-content:center;gap:12px;font-size:13px;color:var(--c-text-2);
}
.qr-box .mask.show{display:flex}
.qr-box .mask .big{font-size:26px}
.qr-info{flex:1;min-width:260px}
.qr-info .status{font-size:15px;font-weight:500;margin-bottom:6px}
.qr-info .status.waiting{color:var(--c-text-2)}
.qr-info .status.scanned{color:var(--c-primary)}
.qr-info .status.success{color:var(--c-ok)}
.qr-info .status.expired,.qr-info .status.error{color:var(--c-err)}
.qr-info .hintx{font-size:13px;color:var(--c-text-3);line-height:1.8}
.spinner{
  width:15px;height:15px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;
  border-radius:50%;animation:spin .7s linear infinite;display:inline-block;
}
.spinner.dark{border-color:#d8e2f5;border-top-color:var(--c-primary)}
@keyframes spin{to{transform:rotate(360deg)}}

.searchbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.searchbar input,.searchbar select{width:auto;height:40px}
.searchbar input{flex:1;min-width:180px}

.pager{display:flex;gap:6px;align-items:center;justify-content:center;padding:18px 0 2px;flex-wrap:wrap}
.pager a,.pager span{
  min-width:34px;height:34px;padding:0 11px;border-radius:8px;border:1px solid var(--c-line-2);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;color:var(--c-text-2);
  background:#fff;text-decoration:none;
}
.pager a:hover{border-color:var(--c-primary);color:var(--c-primary);text-decoration:none}
.pager .cur{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.pager .dis{opacity:.45;pointer-events:none}

.login-page{
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;
  background:linear-gradient(135deg,#eef4ff 0%,#f5f6fa 45%,#f0eeff 100%);
}
.login-card{
  width:100%;max-width:400px;background:#fff;border-radius:var(--r-lg);
  box-shadow:var(--sh-lg);padding:38px 34px 34px;
}
.login-card .logo{
  width:52px;height:52px;border-radius:15px;margin:0 auto 18px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-indigo));
  display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff;
  box-shadow:0 8px 20px rgba(43,127,255,.28);
}
.login-card h1{font-size:19px;text-align:center;font-weight:600;margin-bottom:5px}
.login-card .sub{text-align:center;font-size:13px;color:var(--c-text-3);margin-bottom:26px}
.login-foot{text-align:center;font-size:12.5px;color:var(--c-text-3);margin-top:20px}

.toast{
  position:fixed;left:50%;top:26px;transform:translateX(-50%) translateY(-16px);
  background:#232a3b;color:#fff;padding:11px 20px;border-radius:10px;font-size:13.5px;
  box-shadow:var(--sh-md);opacity:0;transition:.28s;z-index:9999;pointer-events:none;
  max-width:90vw;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{background:#c0392b}
.toast.ok{background:#0e7a41}

.kv{display:grid;grid-template-columns:118px 1fr;gap:11px 16px;font-size:13.5px}
.kv dt{color:var(--c-text-3)}
.kv dd{color:var(--c-text-2);word-break:break-all}

@media(max-width:900px){
  .sidebar{position:fixed;left:0;top:0;z-index:50;transform:translateX(-100%);transition:.25s;box-shadow:var(--sh-lg)}
  .sidebar.open{transform:translateX(0)}
  .main{width:100%}
  .grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}
  .content{padding:18px 16px 32px}
  .topbar{padding:0 16px}
  .row2,.row3{grid-template-columns:1fr}
  .qr-box{width:100%;flex-basis:100%;max-width:260px;height:260px;margin:0 auto}
  .menu-btn{display:inline-flex !important}
}
@media(max-width:560px){
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
  .card-b{padding:16px}
  .card-h{padding:15px 16px}
}
.menu-btn{
  display:none;width:36px;height:36px;border:1px solid var(--c-line-2);background:#fff;
  border-radius:9px;align-items:center;justify-content:center;cursor:pointer;margin-right:10px;
  flex-direction:column;gap:4px;
}
.menu-btn i{display:block;width:16px;height:2px;background:var(--c-text-2);border-radius:2px}