:root{
  --bg:#f4f6fa; --panel:#fff; --ink:#1f2a44; --muted:#8a93a6;
  --primary:#ff6700; --primary-d:#e65c00; --up:#1bbf83; --down:#f5573e;
  --line:#e6e9f0; --radius:12px;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);font-size:14px}
.hidden{display:none!important}
.topbar{display:flex;align-items:center;gap:24px;background:#fff;padding:0 24px;height:56px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.brand{font-weight:700;font-size:16px;color:var(--primary);white-space:nowrap}
.nav{display:flex;gap:18px;flex:1}
.nav a{color:var(--ink);text-decoration:none;padding:4px 2px}
.nav a:hover,.nav a.active{color:var(--primary);border-bottom:2px solid var(--primary)}
.nav-badge{background:#f5573e;color:#fff;border-radius:999px;padding:0 6px;font-size:11px;margin-left:2px}
.userbox{display:flex;align-items:center;gap:12px}
.uname{color:var(--ink)}.role{font-size:11px;color:var(--muted);margin-left:4px}
.logout{color:var(--muted);text-decoration:none}.logout:hover{color:var(--primary)}
.container{max-width:1160px;margin:0 auto;padding:24px}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:18px;flex-wrap:wrap;gap:12px}
.page-head h1{font-size:22px;margin:0 0 8px}
.date-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.date-bar label{color:var(--muted);display:flex;align-items:center;gap:6px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:20px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}
.card-label{color:var(--muted);font-size:13px}
.card-value{font-size:24px;font-weight:700;margin:6px 0 2px}
.card-value.small{font-size:16px;font-weight:600}
.card-sub{color:var(--muted);font-size:12px}
.up{color:var(--up)}.down{color:var(--down)}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:20px}
.panel h2{font-size:16px;margin:0 0 14px}
.tbl{width:100%;border-collapse:collapse}
.tbl th,.tbl td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line)}
.tbl th{color:var(--muted);font-weight:600;font-size:13px}
.tbl .num{text-align:right;font-variant-numeric:tabular-nums}
.tbl .center{text-align:center}
.muted{color:var(--muted)}
.link{color:var(--primary);text-decoration:none}.link:hover{text-decoration:underline}
.chart svg{max-width:100%}
.badge{background:var(--primary);color:#fff;padding:3px 10px;border-radius:999px;font-size:12px}
.badge.live{background:var(--up)}
.tag{background:#eef1f6;color:var(--ink);padding:2px 8px;border-radius:6px;font-size:12px}
.tag.ok{background:#e3f7ef;color:var(--up)}
.tag.off{background:#fdeae6;color:var(--down)}
.btn{background:#eef1f6;color:var(--ink);border:1px solid var(--line);padding:7px 14px;border-radius:8px;cursor:pointer;text-decoration:none;display:inline-block;font-size:13px}
.btn:hover{border-color:var(--primary);color:var(--primary)}
.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn.primary:hover{background:var(--primary-d);color:#fff}
.btn.small{padding:4px 10px;font-size:12px}
.btn.danger{background:#fdeae6;color:var(--down);border-color:#f5c6cb}
.btn.danger:hover{background:#f5573e;color:#fff;border-color:var(--down)}
.hint{color:var(--muted);font-size:12px;margin:0 0 12px}
.struct-tabs{display:flex;gap:8px;margin-bottom:12px}
.struct-tabs .btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.bar-row{margin:9px 0}
.bar-top{display:flex;justify-content:space-between;font-size:13px;margin-bottom:4px}
.bar-top .sub{color:var(--muted);font-size:12px}
.bar-track{background:#eef1f6;border-radius:6px;height:9px;overflow:hidden}
.bar-fill{height:9px;border-radius:6px}
.login-wrap{min-height:70vh;display:flex;align-items:center;justify-content:center}
.login-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:36px 32px;width:340px;box-shadow:0 8px 30px rgba(0,0,0,.06)}
.login-card h2{margin:0;text-align:center}
.login-card .sub{text-align:center;color:var(--muted);margin:6px 0 22px}
.login-card label{display:block;color:var(--muted);margin:12px 0 4px}
.login-card input[type=text],.login-card input[type=password]{width:100%;padding:10px;border:1px solid var(--line);border-radius:8px}
.login-card button{width:100%;margin-top:18px;padding:11px;background:var(--primary);color:#fff;border:0;border-radius:8px;font-size:15px;cursor:pointer}
.login-card button:hover{background:var(--primary-d)}
.login-card .err{color:var(--down);font-size:13px;text-align:center;margin-top:12px}
.foot{text-align:center;color:var(--muted);padding:20px;font-size:12px}
.split2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.alert-banner{background:#fdeae6;color:#f5573e;padding:10px 14px;border-radius:8px;margin-bottom:16px}
.alert.error{background:#fdeae6;color:#f5573e;padding:10px 14px;border-radius:8px;margin-bottom:16px}
.alert-item{border-left:3px solid;padding:8px 12px;margin:10px 0;background:#fafbfd;border-radius:0 8px 8px 0}
.alert-item .bar-top b{font-size:13px}
.create-form{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;padding-top:14px;border-top:1px dashed var(--line)}
.create-form h3{width:100%;margin:0;font-size:14px}
.create-form input,.create-form select{padding:7px 9px;border:1px solid var(--line);border-radius:8px;font-size:13px}
.create-form input{min-width:150px}
.progress-wrap{margin:12px 0}
.progress-wrap .bar-top{margin-bottom:6px}
.progress-track{background:#eef1f6;border-radius:8px;height:18px;overflow:hidden;margin:6px 0}
.progress-fill{height:18px;border-radius:8px}
.bar-metrics{display:flex;gap:16px;font-size:12px;color:var(--muted);margin-top:2px}
.tbl th.sortable{cursor:pointer;user-select:none}
.tbl th.sortable::after{content:' ⇅';color:var(--muted);font-size:11px}
.tbl th.sortable.sort-asc::after{content:' ↑'}
.tbl th.sortable.sort-desc::after{content:' ↓'}
@media(max-width:760px){.split2{grid-template-columns:1fr}}