:root{
  --p:#3A7DBE; --pd:#2A5C8F; --pf:#EAF3FB;
  --coral:#FF9E80; --coralD:#E8734C; --mint:#7CC9B5; --ok:#4FB596; --err:#E66B6B; --warn:#E8A54C;
  --ink:#1A2B42; --ink2:#54627A; --ink3:#8A97A8;
  --bg:#F4F7FA; --surf:#FFFFFF; --line:#E4EAF0; --lines:#EEF2F6;
  --sh-sm:0 1px 3px rgba(26,43,66,.06); --sh:0 4px 16px rgba(26,43,66,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Pretendard','Malgun Gothic',sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;display:flex;min-height:100vh}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
svg{display:block}

/* Sidebar */
.sidebar{width:240px;flex:0 0 240px;background:#122438;color:#C6D3E2;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:11px;padding:22px 22px 20px}
.brand .logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--p),var(--mint));display:grid;place-items:center;flex:0 0 34px}
.brand b{font-size:16px;color:#fff;font-weight:800;letter-spacing:-.01em}
.brand span{display:block;font-size:10.5px;color:#7E90A8;font-weight:600;margin-top:1px}
.nav{padding:8px 12px;flex:1;overflow-y:auto}
.nav .grp{font-size:10px;font-weight:700;color:#5E708A;text-transform:uppercase;letter-spacing:.06em;padding:14px 12px 6px}
.nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:9px;font-size:13.5px;font-weight:600;color:#B4C2D4;margin-bottom:2px;transition:.15s}
.nav a svg{width:18px;height:18px;flex:0 0 18px;stroke:#8496AE}
.nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.nav a.on{background:var(--p);color:#fff}
.nav a.on svg{stroke:#fff}
.sbfoot{padding:14px 18px;border-top:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:10px}
.sbfoot .av{width:32px;height:32px;border-radius:9px;background:var(--p);display:grid;place-items:center;color:#fff;font-weight:800;font-size:13px}
.sbfoot .nm{font-size:12.5px;font-weight:700;color:#E4EBF3}
.sbfoot .rl{font-size:10.5px;color:#7E90A8}
.sbfoot form{margin-left:auto}
.sbfoot .logout{font-size:11px;color:#7E90A8;font-weight:700;padding:6px 8px;border-radius:7px}
.sbfoot .logout:hover{background:rgba(255,255,255,.08);color:#fff}

/* Main */
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.top{height:62px;background:var(--surf);border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 26px;gap:18px;position:sticky;top:0;z-index:20}
.top h1{font-size:17px;font-weight:800;letter-spacing:-.01em}
.top .sub{font-size:12px;color:var(--ink3);font-weight:500}
.top .sp{flex:1}
.search{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:8px 12px;width:260px}
.search input{border:none;background:none;outline:none;font-size:13px;font-family:inherit;width:100%;color:var(--ink)}
.iconbtn{width:38px;height:38px;border-radius:10px;background:var(--bg);border:1px solid var(--line);display:grid;place-items:center;position:relative}
.iconbtn svg{width:18px;height:18px;stroke:var(--ink2)}
.iconbtn .dot{position:absolute;top:8px;right:9px;width:7px;height:7px;border-radius:50%;background:var(--err);border:1.5px solid var(--surf)}
.content{padding:24px 26px 60px;max-width:1240px;width:100%}

.h2{font-size:19px;font-weight:800;letter-spacing:-.01em;margin-bottom:3px}
.sub2{font-size:13px;color:var(--ink3);margin-bottom:20px}

/* KPI */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-bottom:24px}
.kpi{background:var(--surf);border:1px solid var(--line);border-radius:15px;padding:17px 18px;box-shadow:var(--sh-sm)}
.kpi .kt{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--ink3);font-weight:600;margin-bottom:10px}
.kpi .kt .ki{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;flex:0 0 28px}
.kpi .kt .ki svg{width:15px;height:15px}
.kpi .kv{font-size:26px;font-weight:800;letter-spacing:-.02em;line-height:1}
.kpi .kd{font-size:11.5px;font-weight:700;margin-top:7px;display:flex;align-items:center;gap:4px}
.kpi .kd.up{color:var(--ok)} .kpi .kd.down{color:var(--err)} .kpi .kd.flat{color:var(--ink3)}

.card{background:var(--surf);border:1px solid var(--line);border-radius:15px;box-shadow:var(--sh-sm);margin-bottom:20px}
.card .ch{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--lines)}
.card .ch b{font-size:14.5px;font-weight:800}
.card .ch .cs{font-size:11.5px;color:var(--ink3);font-weight:500}
.card .cb{padding:18px}
.row2{display:grid;grid-template-columns:1.6fr 1fr;gap:20px}
.row2b{display:grid;grid-template-columns:1fr 1fr;gap:20px}

table{width:100%;border-collapse:collapse}
thead th{text-align:left;font-size:11px;font-weight:700;color:var(--ink3);text-transform:uppercase;letter-spacing:.03em;padding:11px 18px;background:var(--bg);border-bottom:1px solid var(--line)}
tbody td{padding:13px 18px;font-size:13px;border-bottom:1px solid var(--lines);color:var(--ink2)}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#FAFCFE}
td .u{display:flex;align-items:center;gap:10px}
td .av{width:32px;height:32px;border-radius:9px;background:var(--pf);color:var(--pd);display:grid;place-items:center;font-weight:800;font-size:12.5px;flex:0 0 32px}
td .nm{font-weight:700;color:var(--ink);font-size:13px}
td .em{font-size:11px;color:var(--ink3)}
.tag{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;padding:3px 9px;border-radius:20px}
.tag.on{background:#E4F5EF;color:var(--ok)} .tag.off{background:#FBECEC;color:var(--err)}
.tag.idle{background:#FCF2E2;color:var(--coralD)} .tag.new{background:var(--pf);color:var(--pd)}
.tbtn{font-size:12px;font-weight:700;color:var(--p);padding:5px 10px;border-radius:7px}
.tbtn:hover{background:var(--pf)}

.mbar{display:flex;align-items:flex-end;gap:9px;height:150px;padding:8px 4px 0}
.mbar .col{flex:1;display:flex;flex-direction:column;align-items:center;gap:7px;height:100%;justify-content:flex-end}
.mbar .col i{width:100%;max-width:34px;border-radius:6px 6px 0 0;background:linear-gradient(180deg,var(--p),#5E9BD1)}
.mbar .col span{font-size:10.5px;color:var(--ink3);font-weight:600}
.mbar .col b{font-size:11px;font-weight:800;color:var(--ink2)}

.dlist{display:flex;flex-direction:column;gap:12px}
.dlist .di{display:flex;align-items:center;gap:10px;font-size:12.5px}
.dlist .di .sw{width:11px;height:11px;border-radius:3px;flex:0 0 11px}
.dlist .di .dn{font-weight:600;color:var(--ink2)}
.dlist .di .dv{margin-left:auto;font-weight:800;color:var(--ink)}

.field{margin-bottom:16px}
.field label{display:block;font-size:12px;font-weight:700;color:var(--ink2);margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;font-family:inherit;font-size:13px;color:var(--ink);background:var(--surf);border:1px solid var(--line);border-radius:10px;padding:10px 12px;outline:none}
.field textarea{min-height:96px;resize:vertical;line-height:1.5}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--p);box-shadow:0 0 0 3px var(--pf)}
.btn{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:700;padding:10px 18px;border-radius:10px}
.btn.pri{background:var(--p);color:#fff} .btn.pri:hover{background:var(--pd)}
.btn.gho{background:var(--surf);border:1px solid var(--line);color:var(--ink2)} .btn.gho:hover{border-color:var(--p);color:var(--p)}
.btn svg{width:16px;height:16px}

.nlist .ni{display:flex;align-items:center;gap:14px;padding:14px 18px;border-bottom:1px solid var(--lines)}
.nlist .ni:last-child{border-bottom:none}
.nlist .ni .nb{width:38px;height:38px;border-radius:10px;background:var(--pf);display:grid;place-items:center;flex:0 0 38px}
.nlist .ni .nb svg{width:18px;height:18px;stroke:var(--p)}
.nlist .ni .nt b{font-size:13.5px;font-weight:700;display:block}
.nlist .ni .nt span{font-size:11.5px;color:var(--ink3)}
.nlist .ni .meta{margin-left:auto;text-align:right;font-size:11px;color:var(--ink3)}

.help{font-size:11.5px;color:var(--ink3);margin-top:6px;line-height:1.5}
.split{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.hr{height:1px;background:var(--lines);margin:6px 0 18px}
.metric{border:1px solid var(--line);border-radius:13px;margin-bottom:14px;overflow:hidden}
.metric:last-child{margin-bottom:0}
.metric .mh{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--bg)}
.metric .mh .mi{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;flex:0 0 34px}
.metric .mh .mt b{font-size:13.5px;font-weight:800;display:block}
.metric .mh .mt span{font-size:11px;color:var(--ink3)}
.metric .mb{padding:16px;display:grid;grid-template-columns:1fr 1fr;gap:14px;border-top:1px solid var(--lines)}
.metric .mb .full{grid-column:1 / -1}
.metric .mb .field{margin-bottom:0}
.metric .mb .field .u{font-size:11px;color:var(--ink3);font-weight:600;margin-top:5px}
.inline-input{display:flex;align-items:center;gap:8px}
.inline-input .suffix{font-size:12px;color:var(--ink2);font-weight:700;white-space:nowrap}
.msave{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}

/* login / setup */
.auth{display:flex;align-items:center;justify-content:center;width:100%;min-height:100vh;padding:20px}
.authcard{background:var(--surf);border:1px solid var(--line);border-radius:18px;box-shadow:var(--sh);padding:32px;width:100%;max-width:400px}
.authcard .logo{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--p),var(--mint));display:grid;place-items:center;margin-bottom:16px}
.authcard h1{font-size:20px;font-weight:800;margin-bottom:4px}
.authcard p.s{font-size:13px;color:var(--ink3);margin-bottom:22px}
.authcard .btn.pri{width:100%;justify-content:center;margin-top:4px}
.err{background:#FBECEC;color:var(--err);font-size:12.5px;font-weight:600;padding:10px 12px;border-radius:9px;margin-bottom:14px}