:root{
  --bg:#f5f6f8; --card:#ffffff; --primary:#1677ff; --primary-d:#0958d9;
  --text:#1f2329; --muted:#8a919f; --ok:#00b578; --warn:#ff8f1f; --bad:#fa5151;
  --border:#e5e6eb; --shadow:0 1px 4px rgba(31,35,41,.08); --head:#fafbfc; --hover:#f7f9ff;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#14161a; --card:#1d2025; --primary:#3b8cff; --primary-d:#2b6fe0;
    --text:#e6e8eb; --muted:#8b929e; --border:#2c3138; --shadow:0 1px 4px rgba(0,0,0,.4); --head:#22262c; --hover:#242932;
  }
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);font-size:14px}
a{color:var(--primary);text-decoration:none}
.card{background:var(--card);border-radius:12px;box-shadow:var(--shadow);padding:20px}
.btn{display:inline-block;border:none;border-radius:8px;padding:8px 16px;font-size:14px;cursor:pointer;background:var(--primary);color:#fff}
.btn:hover{background:var(--primary-d)}
.btn-plain{background:var(--card);color:var(--text);border:1px solid var(--border)}
.btn-plain:hover{background:var(--hover)}
.btn-danger{background:var(--bad)}
.btn-danger:hover{background:#d9302e}
.btn[disabled]{opacity:.5;cursor:not-allowed}
input,select{border:1px solid var(--border);border-radius:8px;padding:8px 12px;font-size:14px;outline:none;background:var(--card);color:var(--text)}
input:focus{border-color:var(--primary)}
.badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:12px}
.b-pending{background:rgba(22,119,255,.12);color:var(--primary)}
.b-paid{background:rgba(0,181,120,.12);color:var(--ok)}
.b-expired{background:rgba(138,145,159,.15);color:var(--muted)}
.b-failed{background:rgba(250,81,81,.12);color:var(--bad)}
.b-nsuccess{background:rgba(0,181,120,.12);color:var(--ok)}
.b-nfailed{background:rgba(255,143,31,.14);color:var(--warn)}
.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.muted{color:var(--muted)}
.delta{font-size:12px;font-weight:600}
.delta.up{color:var(--ok)} .delta.down{color:var(--bad)} .delta.flat{color:var(--muted)}
.copy-btn{border:none;background:none;color:var(--primary);cursor:pointer;font-size:12px;padding:0 4px}
/* ---------- 登录页 ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center}
.login-box{width:380px;max-width:92vw;text-align:center}
.login-box .brand{font-size:20px;font-weight:700;margin-bottom:4px}
.login-box .sub{color:var(--muted);margin-bottom:22px}
.login-box input{width:100%;margin-bottom:12px;text-align:center}
.login-box .remember{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);margin:-2px 0 14px;cursor:pointer}
.login-box .remember input{width:auto;margin:0}
.login-box .btn{width:100%;padding:10px}
.err-msg{color:var(--bad);font-size:13px;min-height:18px;margin-bottom:8px}
.shake{animation:shake .4s}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
/* ---------- 后台布局 ---------- */
.topbar{background:var(--card);box-shadow:var(--shadow);position:sticky;top:0;z-index:10}
.topbar-in{max-width:1100px;margin:0 auto;display:flex;align-items:center;gap:8px;padding:0 20px;height:52px}
.topbar .brand{font-weight:700;font-size:15px;margin-right:16px}
.topbar .nav{display:flex;gap:4px;flex:1}
.topbar .nav a{padding:6px 14px;border-radius:8px;color:var(--muted)}
.topbar .nav a.on{background:rgba(22,119,255,.12);color:var(--primary);font-weight:600}
.wrap{max-width:1100px;margin:20px auto;padding:0 20px}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:16px}
.stat{background:var(--card);border-radius:12px;box-shadow:var(--shadow);padding:16px}
.stat .v{font-size:22px;font-weight:700;margin-top:4px;font-variant-numeric:tabular-nums}
.stat .l{color:var(--muted);font-size:13px}
.spark{margin-top:8px;height:32px}
.toolbar{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap;align-items:center}
.toolbar .grow{flex:1}
.seg{display:inline-flex;border:1px solid var(--border);border-radius:8px;overflow:hidden}
.seg-btn{border:none;background:var(--card);color:var(--muted);padding:7px 14px;font-size:13px;cursor:pointer}
.seg-btn.on{background:var(--primary);color:#fff}
.seg-btn+.seg-btn{border-left:1px solid var(--border)}
.chart-title{font-weight:600;margin-bottom:10px}
table.tbl{width:100%;border-collapse:collapse;background:var(--card);border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.tbl th,.tbl td{padding:10px 12px;text-align:left;font-size:13px;white-space:nowrap}
.tbl th.r,.tbl td.r{text-align:right;font-variant-numeric:tabular-nums}
.tbl thead th{background:var(--head);color:var(--muted);font-weight:500}
.tbl tbody tr{border-top:1px solid var(--border);cursor:pointer}
.tbl tbody tr:hover{background:var(--hover)}
.pager{display:flex;gap:8px;align-items:center;justify-content:flex-end;margin-top:12px;font-size:13px}
/* 详情滑出面板 */
.drawer{position:fixed;top:0;right:-460px;width:440px;max-width:95vw;height:100vh;background:var(--card);box-shadow:-4px 0 24px rgba(0,0,0,.12);transition:right .25s;z-index:100;display:flex;flex-direction:column}
.drawer.open{right:0}
.drawer .d-head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--border);font-weight:600}
.drawer .d-body{padding:16px 18px;overflow-y:auto;flex:1}
.kv{display:grid;grid-template-columns:96px 1fr;gap:6px 10px;font-size:13px;margin-bottom:16px}
.kv .k{color:var(--muted)}
.kv .v{word-break:break-all}
.timeline{border-left:2px solid var(--border);margin:8px 0 0 6px;padding-left:16px}
.timeline .t-item{position:relative;padding-bottom:14px;font-size:13px}
.timeline .t-item::before{content:"";position:absolute;left:-22px;top:4px;width:8px;height:8px;border-radius:50%;background:var(--primary)}
.timeline .t-item.bad::before{background:var(--bad)}
.d-actions{display:flex;gap:8px;padding:12px 18px;border-top:1px solid var(--border)}
.sysgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}
.sys{background:var(--card);border-radius:12px;box-shadow:var(--shadow);padding:16px}
.sys .t{color:var(--muted);font-size:13px}
.sys .v{font-size:16px;font-weight:600;margin-top:6px}
#msg{position:fixed;top:16px;left:50%;transform:translateX(-50%);background:var(--text);color:var(--bg);padding:8px 20px;border-radius:8px;font-size:13px;display:none;z-index:200}
/* ---------- 图表 ---------- */
.chart-box svg{width:100%;height:auto;display:block}
.chart-box .bar{fill:var(--primary);opacity:.85;cursor:pointer}
.chart-box .bar:hover{opacity:1}
.chart-box .bar-label{font-size:10px;fill:var(--muted)}
.chart-box .bar-val{font-size:10px;fill:var(--text);font-weight:600;font-variant-numeric:tabular-nums}
.chart-box .axis-line{stroke:var(--border);stroke-width:1}
.chart-box .dot{fill:var(--primary);cursor:pointer}
.chart-box .polyline{fill:none;stroke:var(--primary);stroke-width:2}
.chart-tip{position:fixed;pointer-events:none;background:var(--text);color:var(--bg);padding:6px 10px;border-radius:8px;font-size:12px;display:none;z-index:300;font-variant-numeric:tabular-nums;white-space:nowrap}
.empty{color:var(--muted);text-align:center;padding:40px 0;font-size:13px}

/* ---------- Console refinement ---------- */
:root{--bg:#f3f5f7;--card:#fff;--primary:#176b87;--primary-d:#0f536b;--text:#18242b;--muted:#66757c;--border:#dbe2e5;--head:#f7fafb;--hover:#edf7f8;--shadow:0 10px 30px rgba(22,45,52,.06)}
body{line-height:1.45;letter-spacing:0}
.topbar{border-bottom:1px solid var(--border);box-shadow:none;background:rgba(255,255,255,.94);backdrop-filter:blur(12px)}
.topbar-in{max-width:1240px;height:60px;padding:0 28px;gap:12px}
.topbar .brand{font-size:16px;letter-spacing:0;margin-right:18px}
.topbar .nav{gap:2px}
.topbar .nav a{padding:8px 12px;border-radius:6px;color:#53656c}
.topbar .nav a.on{background:#e2f0f2;color:#0e596d}
.wrap{max-width:1240px;margin:28px auto 40px;padding:0 28px}
.stat-grid{gap:14px;margin-bottom:18px}
.stat,.sys{border:1px solid var(--border);border-radius:8px;box-shadow:none;padding:18px}
.stat{min-height:112px;position:relative}
.stat .l{font-size:12px;letter-spacing:.02em}
.stat .v{font-size:25px;line-height:1.2;margin-top:8px}
.card{border:1px solid var(--border);border-radius:8px;box-shadow:none;padding:18px}
.toolbar{padding:12px;border:1px solid var(--border);border-radius:8px;background:var(--card);gap:9px}
input,select{min-height:36px;border-radius:6px;border-color:var(--border)}
input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(23,107,135,.12)}
.btn{min-height:36px;border-radius:6px;padding:7px 13px;background:var(--primary);font-weight:600}
.seg{border-radius:6px}.seg-btn{padding:7px 12px}.seg-btn.on{background:var(--primary)}
table.tbl{border:1px solid var(--border);border-radius:8px;box-shadow:none}
.tbl th,.tbl td{padding:13px 12px}.tbl thead th{font-size:12px;letter-spacing:.02em}
.tbl tbody tr{transition:background .15s ease}.tbl tbody tr:hover{background:#f3fafb}
.chart-box{min-height:220px;overflow-x:auto;padding-top:4px}.chart-box svg{min-width:420px;max-height:280px}
#spark-7d{height:32px;overflow:hidden;margin-top:8px}.spark-svg{display:block;width:100%;height:32px}.spark-line{fill:none;stroke:var(--primary);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.spark-dot{fill:var(--primary)}.spark-empty{display:block;color:var(--muted);font-size:12px;line-height:32px}
.totp-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-top:8px}.totp-note{margin-top:4px;color:var(--muted);font-size:13px}.totp-actions{margin-top:14px}.totp-setup{margin-top:16px;padding-top:16px;border-top:1px solid var(--border);max-width:520px}.totp-setup label{display:block;margin-bottom:8px;font-size:13px;color:var(--muted)}.totp-row{display:flex;gap:8px;align-items:center}.totp-row input{flex:1;min-width:0}.totp-qr{width:196px;height:196px;background:#fff;border:1px solid var(--border);padding:8px;margin:14px 0}.totp-qr svg{display:block;width:100%;height:100%}.totp-confirm{margin-top:14px}.totp-warn{margin-top:8px;color:var(--warn);font-size:12px}
.drawer{width:480px;border-left:1px solid var(--border);box-shadow:-14px 0 40px rgba(22,45,52,.12)}
.drawer .d-head{padding:16px 20px}.drawer .d-body{padding:20px}.d-actions{padding:14px 20px}
.login-wrap{background:radial-gradient(circle at top left,#dceff0 0,transparent 40%),var(--bg)}
.login-box{width:400px;border:1px solid var(--border);box-shadow:0 18px 50px rgba(20,51,58,.12);padding:30px}
.login-box .brand{font-size:22px}.login-box input{text-align:left}
@media(max-width:640px){.topbar{position:static}.topbar-in{height:auto;min-height:58px;padding:10px 14px;align-items:flex-start;flex-wrap:wrap}.topbar .brand{width:100%;margin:0}.topbar .nav{order:3;overflow-x:auto;width:100%;padding-bottom:2px}.topbar .nav a{white-space:nowrap;padding:7px 9px}.wrap{margin:16px auto;padding:0 12px}.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.stat,.sys{padding:14px}.stat .v{font-size:21px}.toolbar{align-items:stretch}.toolbar .grow{display:none}.toolbar input{width:100%!important}.range-in{display:flex;flex-wrap:wrap;gap:6px}.tbl{display:block;overflow-x:auto}.chart-box svg{min-width:360px}.drawer{max-width:100vw}}
@media(max-width:640px){.totp-row{align-items:stretch;flex-direction:column}.totp-row .btn{width:100%}}