:root{
  --bg:#0f172a; --panel:#1e293b; --panel2:#273449; --line:#334155;
  --text:#e2e8f0; --muted:#94a3b8; --accent:#38bdf8; --accent2:#0ea5e9;
  --ok:#22c55e; --warn:#f59e0b; --bad:#ef4444;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,"Malgun Gothic",sans-serif;background:var(--bg);color:var(--text)}
.topbar{display:flex;align-items:center;gap:18px;padding:12px 20px;background:var(--panel);border-bottom:1px solid var(--line)}
.brand{font-size:18px;font-weight:700}
.tabs{display:flex;gap:6px;margin-left:8px}
.tab{background:transparent;border:1px solid transparent;color:var(--muted);padding:8px 14px;border-radius:8px;cursor:pointer;font-size:14px}
.tab:hover{color:var(--text)}
.tab.active{background:var(--panel2);color:var(--text);border-color:var(--line)}
.conn{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}
.dot{width:10px;height:10px;border-radius:50%;background:var(--bad);display:inline-block}
.dot.on{background:var(--ok)}
.toolbar{display:flex;align-items:center;gap:16px;padding:14px 20px;flex-wrap:wrap}
.toolbar.sub{padding:12px 0}
.toolbar label{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:6px}
select,input{background:var(--panel2);border:1px solid var(--line);color:var(--text);padding:7px 10px;border-radius:7px;font-size:14px}
.btn{background:var(--panel2);border:1px solid var(--line);color:var(--text);padding:8px 14px;border-radius:8px;cursor:pointer;font-size:14px}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent2);border-color:var(--accent2);color:#04202e;font-weight:600}
.summary{margin-left:auto;color:var(--muted);font-size:13px}
main{padding:0 20px 40px}
.view{display:none}
.view.active{display:block}
/* 노트북 1화면에 20개, 값 안 잘리게 넉넉한 2열 카드 (auto-fill) */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}
.grid[hidden]{display:none}
.mcard{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:11px 12px;position:relative;cursor:pointer;transition:border-color .12s}
.mcard:hover{border-color:var(--accent)}
.mcard h4{margin:0 46px 1px 0;font-size:13.5px;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mcard .eui{font-size:10px;color:var(--muted);font-family:monospace}
.mcard .site{position:absolute;top:9px;right:10px;font-size:10px;background:var(--panel2);padding:2px 7px;border-radius:20px;color:var(--accent)}
.metrics{display:grid;grid-template-columns:1fr 1fr;gap:3px 7px;margin-top:8px}
.metric{display:flex;align-items:baseline;justify-content:space-between;gap:6px;background:var(--panel2);border-radius:5px;padding:3px 8px;overflow:hidden}
.metric .k{font-size:10px;color:var(--muted);flex:none}
.metric .v{font-size:12.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mcard .tapzoom{position:absolute;bottom:9px;right:10px;font-size:9px;color:var(--muted)}
.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:12px;font-weight:600}
.b-open{background:rgba(239,68,68,.18);color:#fca5a5}
.b-close{background:rgba(34,197,94,.18);color:#86efac}
.b-off{background:rgba(148,163,184,.2);color:var(--muted)}
.stale{color:var(--warn)}
.foot{margin-top:7px;font-size:9.5px;color:var(--muted);display:flex;justify-content:space-between;gap:4px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:16px}
.card h3{margin:0 0 14px;font-size:15px}
.form-card .row{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.form-card .row>label:first-child{width:120px;color:var(--muted);font-size:13px;text-align:right}
.form-card input,.form-card select{min-width:220px}
.preview{color:var(--muted);font-size:13px;font-family:monospace}
.result{margin-top:12px;font-size:14px}
.result.ok{color:var(--ok)} .result.bad{color:var(--bad)}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{color:var(--muted);font-weight:600;position:sticky;top:0;background:var(--panel);z-index:1}
tr:hover td{background:var(--panel2)}

/* 조밀 모니터링 표: 20개도 한 화면에 */
.dense table{font-size:12px}
.dense th,.dense td{padding:4px 7px}
.dense td.num{text-align:right;font-variant-numeric:tabular-nums}
.dense tr{cursor:default}
.dense .nm{max-width:150px;overflow:hidden;text-overflow:ellipsis}
.dense td.warnv{color:var(--warn);font-weight:600}
.dense td.badv{color:var(--bad);font-weight:600}
.dot-s{display:inline-block;width:10px;height:10px;border-radius:50%}
.dot-on{background:#22ff6e;box-shadow:0 0 7px #22ff6ecc,0 0 2px #22ff6e}
.dot-fault{background:var(--warn)}
.dot-none{background:var(--muted)}
/* 상태 라벨 */
.st-on{color:#22ff6e;font-weight:800;text-shadow:0 0 8px #22ff6e66}
.st-fault{color:var(--warn);font-weight:700}
.st-none{color:var(--muted)}

/* 보기 토글 */
.viewtoggle{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.viewtoggle .mv{background:transparent;border:0;color:var(--muted);padding:6px 12px;cursor:pointer;font-size:13px}
.viewtoggle .mv.active{background:var(--accent2);color:#04202e;font-weight:600}

/* 상세 모달 */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:50}
.modal[hidden]{display:none}
.modal-box{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:22px;max-width:820px;width:92%;max-height:86vh;overflow:auto;position:relative}
.modal-close{position:absolute;top:12px;right:14px;background:var(--panel2);border:1px solid var(--line);color:var(--text);border-radius:6px;cursor:pointer;padding:4px 9px}
.modal-box h3{margin:0 0 14px}
.kv{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:8px;margin-bottom:14px}
.kv .item{background:var(--panel2);border-radius:7px;padding:7px 10px}
.kv .k{font-size:11px;color:var(--muted)} .kv .v{font-size:14px;font-weight:600;margin-top:2px}
.kv.big{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.kv.big .item{padding:10px 12px}
.kv.big .k{font-size:12px} .kv.big .v{font-size:18px;margin-top:3px}
.rowlink{cursor:pointer}
.rowlink:hover td{background:var(--panel2)}
pre.json{background:#0b1220;border:1px solid var(--line);border-radius:8px;padding:12px;overflow:auto;font-size:12px;color:#cbd5e1;max-height:300px}

/* ================= 스마트폰 반응형 ================= */
@media (max-width:640px){
  .topbar{flex-wrap:wrap;gap:8px;padding:10px 12px}
  .brand{font-size:16px;width:100%}
  .tabs{order:3;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin-left:0}
  .tab{padding:7px 12px;white-space:nowrap}
  .conn{margin-left:0;width:100%;order:4;font-size:11px}
  .toolbar{gap:10px;padding:12px;row-gap:8px}
  .toolbar label{flex:1 1 auto}
  .toolbar select{flex:1}
  .summary{width:100%;margin-left:0;order:9}
  .viewtoggle{margin-left:auto}
  main{padding:0 12px 30px}
  /* 스마트폰: 카드 1열(한 화면에 카드 하나 수준) */
  .grid{grid-template-columns:1fr;gap:10px}
  .mcard{padding:12px 14px}
  .mcard h4{font-size:15px}
  .mcard .eui{font-size:11px}
  .mcard .site{font-size:11px;padding:3px 8px}
  .metrics{grid-template-columns:1fr 1fr;gap:6px 8px}
  .metric{padding:6px 10px}
  .metric .k{font-size:12px}
  .metric .v{font-size:16px}
  .foot{font-size:12px;margin-top:10px}
  .form-card .row{flex-wrap:wrap;gap:6px}
  .form-card .row>label:first-child{width:auto;text-align:left}
  .form-card input,.form-card select{min-width:0;width:100%}
  .modal-box{width:96%;padding:16px}
  .kv{grid-template-columns:1fr 1fr}
}
/* 태블릿 */
@media (min-width:641px) and (max-width:1024px){
  .grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
}
.empty{padding:40px;text-align:center;color:var(--muted)}
.st-sent{color:var(--accent)} .st-OK{color:var(--ok)} .st-failed,.st-NG{color:var(--bad)} .st-pending{color:var(--warn)}
.mono{font-family:monospace;font-size:12px}