:root{
  --bg:#f6f7f9; --surface:#ffffff; --surface-2:#f1f3f6; --border:#e4e7ec;
  --text:#111725; --muted:#667085; --brand:#4f46e5; --brand-ink:#ffffff;
  --ok:#16a34a; --warn:#d97706; --crit:#dc2626; --over:#7c3aed;
  --radius:12px; --shadow:0 1px 2px #1018280d, 0 4px 16px #10182810;
  --sidebar:248px;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0d1017; --surface:#151a23; --surface-2:#1b212c; --border:#252c39;
  --text:#e6e9ef; --muted:#8b93a1; --brand:#6d64f0;
  --shadow:0 1px 2px #0006, 0 8px 30px #0006;
}}
:root[data-theme="dark"]{
  --bg:#0d1017; --surface:#151a23; --surface-2:#1b212c; --border:#252c39;
  --text:#e6e9ef; --muted:#8b93a1; --brand:#6d64f0;
  --shadow:0 1px 2px #0006, 0 8px 30px #0006;
}
:root[data-theme="light"]{
  --bg:#f6f7f9; --surface:#ffffff; --surface-2:#f1f3f6; --border:#e4e7ec;
  --text:#111725; --muted:#667085; --brand:#4f46e5;
  --shadow:0 1px 2px #1018280d, 0 4px 16px #10182810;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--text);
  font:14.5px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}

/* ---------- app layout ---------- */
.app{display:grid;grid-template-columns:var(--sidebar) 1fr;min-height:100dvh}
.scrim{display:none}
.sidebar{background:var(--surface);border-right:1px solid var(--border);
  padding:16px 12px;display:flex;flex-direction:column;gap:4px;
  position:sticky;top:0;height:100dvh}
.brand{display:flex;align-items:center;gap:9px;padding:8px 10px 16px;font-weight:700;font-size:16px}
.brand .logo{width:26px;height:26px;border-radius:7px;
  background:linear-gradient(135deg,var(--brand),#8b5cf6);display:grid;place-items:center;color:#fff;font-size:14px}
.nav{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:9px;
  color:var(--muted);font-weight:500}
.nav:hover{background:var(--surface-2);color:var(--text)}
.nav.active{background:color-mix(in srgb,var(--brand) 14%,transparent);color:var(--brand)}
.nav svg{width:18px;height:18px;flex:none}
.sb-foot{margin-top:auto;font-size:12px;color:var(--muted);padding:10px}

.main{min-width:0;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:8;background:color-mix(in srgb,var(--bg) 82%,transparent);
  backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:10px;padding:11px 18px;flex-wrap:wrap}
.hamburger{display:none;background:none;border:0;color:var(--text);font-size:20px;padding:2px 6px}
.content{padding:20px 18px;max-width:1240px;width:100%;margin:0 auto}

/* ---------- controls ---------- */
select,input,.btn{font:inherit;color:var(--text);background:var(--surface);
  border:1px solid var(--border);border-radius:9px;padding:8px 11px}
input:focus,select:focus{outline:2px solid color-mix(in srgb,var(--brand) 40%,transparent);outline-offset:0}
.btn{cursor:pointer}
.btn:hover{background:var(--surface-2)}
.btn.brand{background:var(--brand);color:#fff;border-color:transparent;font-weight:600}
.btn.brand:hover{filter:brightness(1.06)}
.chip{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.avatar{width:28px;height:28px;border-radius:50%;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:12px;font-weight:600}
.grow{flex:1;min-width:150px}

/* ---------- cards / grid ---------- */
.row{display:grid;gap:14px}
.kpis{grid-template-columns:repeat(2,1fr)}
@media(min-width:760px){.kpis{grid-template-columns:repeat(4,1fr)}}
.cards{grid-template-columns:1fr}
@media(min-width:680px){.cards{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1040px){.cards{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow)}
.card.pad0{padding:0;overflow:hidden}
.card.click{cursor:pointer;transition:transform .08s,border-color .15s}
.card.click:hover{transform:translateY(-1px);border-color:color-mix(in srgb,var(--brand) 45%,var(--border))}
.kpi .label{color:var(--muted);font-size:12.5px;font-weight:500;text-transform:uppercase;letter-spacing:.03em}
.kpi .num{font-size:28px;font-weight:700;margin-top:6px;line-height:1}
.kpi .sub{color:var(--muted);font-size:12.5px;margin-top:4px}
.sec-title{font-size:13px;font-weight:600;color:var(--muted);text-transform:uppercase;
  letter-spacing:.04em;margin:22px 2px 10px}

/* ---------- status ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  padding:3px 9px;border-radius:20px;border:1px solid var(--border);background:var(--surface-2)}
.dot{width:8px;height:8px;border-radius:50%;flex:none}
.s-ok{color:var(--ok)} .s-warn{color:var(--warn)} .s-crit{color:var(--crit)} .s-over{color:var(--over)}
.bg-ok{background:var(--ok)} .bg-warn{background:var(--warn)} .bg-crit{background:var(--crit)}
.bg-over{background:var(--over)} .bg-muted{background:var(--muted)}

/* ---------- table ---------- */
.scroll-x{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:13.5px;min-width:560px}
thead th{position:sticky;top:0;background:var(--surface-2);text-align:left;
  font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em;
  padding:10px 12px;border-bottom:1px solid var(--border);white-space:nowrap}
tbody td{padding:10px 12px;border-bottom:1px solid var(--border);white-space:nowrap}
tbody tr:hover{background:var(--surface-2)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px}
.muted{color:var(--muted)}

/* ---------- tree (OLT -> PON -> ONU) ---------- */
.seg{display:inline-flex;border:1px solid var(--border);border-radius:8px;overflow:hidden}
.seg button{background:var(--surface);border:0;padding:6px 12px;color:var(--muted);font-size:13px}
.seg button.on{background:var(--brand);color:#fff}
.tree{font-size:13.5px}
.trow{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:8px;cursor:pointer;user-select:none}
.trow:hover{background:var(--surface-2)}
.tchev{display:inline-block;width:14px;color:var(--muted);transition:transform .15s;flex:none}
.tchev.open{transform:rotate(90deg)}
.tkids{margin-left:16px;border-left:1px solid var(--border);padding-left:10px}
.tkids.collapsed{display:none}
.tpill{font-size:11.5px;color:var(--muted)}
.minibar{width:70px;height:6px;border-radius:5px;background:var(--surface-2);overflow:hidden;display:flex;margin-left:auto;flex:none}
.minibar>span{height:100%}
.tleaf{display:flex;align-items:center;gap:10px;padding:6px 10px;border-radius:6px}
.tleaf:hover{background:var(--surface-2)}
.tleaf .id{min-width:78px}
.tleaf .tmeta{margin-left:auto;display:flex;gap:16px;color:var(--muted);font-size:12.5px;white-space:nowrap}

/* ---------- donut ---------- */
.donut-wrap{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.donut{--sz:132px;width:var(--sz);height:var(--sz);flex:none}
.legend{display:flex;flex-direction:column;gap:7px;font-size:13px}
.legend .li{display:flex;align-items:center;gap:8px}
.legend .li b{margin-left:auto}

/* ---------- responsive: sidebar becomes a drawer ---------- */
@media(max-width:860px){
  .app{grid-template-columns:1fr}
  .sidebar{position:fixed;left:0;top:0;z-index:20;width:var(--sidebar);
    transform:translateX(-100%);transition:transform .2s;box-shadow:var(--shadow)}
  .app.open .sidebar{transform:none}
  .app.open .scrim{display:block;position:fixed;inset:0;background:#0007;z-index:15}
  .hamburger{display:block}
}

/* ---------- operator (customer) cards ---------- */
.page-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:2px 2px 16px}
.page-head h2{font-size:20px;margin:0}
.page-head .muted{font-size:13.5px}
.spacer{flex:1}
.ops{display:grid;gap:14px;grid-template-columns:1fr}
@media(min-width:620px){.ops{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.ops{grid-template-columns:repeat(3,1fr)}}
.op{background:var(--surface);border:1px solid var(--border);border-radius:14px;
  padding:16px;box-shadow:var(--shadow);cursor:pointer;transition:transform .09s,border-color .15s}
.op:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--brand) 45%,var(--border))}
.op-top{display:flex;align-items:center;gap:11px}
.op-mark{width:40px;height:40px;border-radius:11px;flex:none;display:grid;place-items:center;
  color:#fff;font-weight:700;font-size:16px;background:linear-gradient(135deg,var(--brand),#8b5cf6)}
.op-name{font-weight:650;font-size:15.5px;line-height:1.2}
.op-area{color:var(--muted);font-size:12.5px}
.op-stats{display:flex;gap:16px;margin:14px 0 10px}
.op-stats .s .n{font-size:18px;font-weight:700}
.op-stats .s .l{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
.healthbar{height:8px;border-radius:6px;background:var(--surface-2);overflow:hidden;display:flex}
.healthbar > span{height:100%}
.op-foot{display:flex;align-items:center;gap:8px;margin-top:10px;font-size:12px;color:var(--muted)}

/* ---------- modal ---------- */
.modal-bg{position:fixed;inset:0;background:#0009;display:none;place-items:center;z-index:40;padding:16px}
.modal-bg.show{display:grid}
.modal{width:min(94vw,520px);max-height:92dvh;overflow:auto;background:var(--surface);
  border:1px solid var(--border);border-radius:16px;box-shadow:0 20px 60px #0007;padding:22px}
.modal h3{margin:0 0 4px;font-size:18px}
.modal .muted{font-size:13px;margin:0 0 16px}
.field{margin-top:12px}
.field label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:5px;font-weight:500}
.field input,.field select{width:100%}
.form-2{display:grid;gap:12px}
@media(min-width:480px){.form-2{grid-template-columns:1fr 1fr}}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}
.form-err{color:var(--crit);font-size:13px;min-height:18px;margin-top:8px}
.checks{display:flex;gap:14px;flex-wrap:wrap;margin-top:6px}
.checks label{display:flex;align-items:center;gap:6px;color:var(--text);font-size:13.5px}
.checks input{width:auto}

/* ---------- map (GPS) ---------- */
.maplayout{display:grid;grid-template-columns:1fr 300px;gap:14px;height:calc(100dvh - 210px);min-height:420px}
@media(max-width:860px){.maplayout{grid-template-columns:1fr;height:auto}.mapc{height:56dvh}}
.mapc{height:100%;border-radius:12px;overflow:hidden;border:1px solid var(--border);position:relative}
.leaflet-container{font:inherit;background:var(--surface-2)}
.leaflet-popup-content-wrapper,.leaflet-popup-tip{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}
.leaflet-popup-content{font:inherit;margin:11px 14px;line-height:1.5}
.popbtn{color:var(--crit);cursor:pointer;font-weight:600}
:root[data-theme="dark"] .leaflet-tile{filter:brightness(.75) invert(1) contrast(.9) hue-rotate(180deg) saturate(.7)}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .leaflet-tile{filter:brightness(.75) invert(1) contrast(.9) hue-rotate(180deg) saturate(.7)}}
.upanel{overflow:auto;display:flex;flex-direction:column;gap:8px}
.uprow{display:flex;align-items:center;gap:9px;padding:7px 3px;border-bottom:1px solid var(--border);font-size:13px}
.uprow .btn{margin-left:auto;padding:4px 11px;font-size:12px}
.place-banner{position:absolute;z-index:500;top:10px;left:50%;transform:translateX(-50%);
  background:var(--brand);color:#fff;padding:8px 14px;border-radius:10px;box-shadow:var(--shadow);
  font-size:13px;font-weight:500;display:none;align-items:center;gap:12px;max-width:92%}
.place-banner.show{display:flex}
.place-banner .x{cursor:pointer;font-weight:800}
.maplegend{display:flex;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);align-items:center}
.maplegend .li{display:flex;align-items:center;gap:6px}