:root{
  --bg:#0a0e1a; --bg2:#0f1524; --panel:#121a2e; --panel2:#18223c; --line:#22304f;
  --text:#e8eefc; --muted:#93a2c4; --primary:#4f7cff; --accent:#22d3ee; --success:#22c55e;
  --warn:#f59e0b; --error:#f43f5e; --radius:16px; --grad:linear-gradient(120deg,#4f7cff,#22d3ee);
  --shadow:0 18px 50px rgba(0,0,0,.45);
}
:root[data-theme="light"]{
  --bg:#eef2fb; --bg2:#f6f8ff; --panel:#ffffff; --panel2:#f1f5ff; --line:#dbe4f5;
  --text:#0d1730; --muted:#5b6b8c; --shadow:0 18px 44px rgba(20,40,90,.14);
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font:14.5px/1.5 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--text);
  background:radial-gradient(1200px 700px at 85% -10%,rgba(79,124,255,.16),transparent 60%),radial-gradient(900px 600px at -10% 110%,rgba(34,211,238,.12),transparent 55%),var(--bg);}
.hidden{display:none !important}
a{color:inherit;text-decoration:none;cursor:pointer}
.muted{color:var(--muted)}
.err{color:var(--error);font-size:13px;min-height:18px;margin:6px 0 0}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
code{background:var(--panel2);padding:1px 6px;border-radius:6px;font-size:12.5px}

/* botones */
.btn{border:1px solid var(--line);background:var(--panel2);color:var(--text);padding:10px 16px;border-radius:12px;
  font-weight:600;font-size:14px;cursor:pointer;transition:.15s transform,.15s box-shadow,.15s filter;display:inline-flex;gap:8px;align-items:center;justify-content:center}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn.primary{background:var(--grad);border:0;color:#fff;box-shadow:0 8px 22px rgba(79,124,255,.35)}
.btn.ghost{background:transparent}
.btn.sm{padding:7px 12px;font-size:13px;border-radius:10px}
.btn.danger{color:var(--error);border-color:transparent;background:rgba(244,63,94,.12)}
.btn.google{background:#fff;color:#1f2937;border:0}.btn.google span{font-weight:800;color:#4285f4}
.glass{background:linear-gradient(180deg,color-mix(in srgb,var(--panel) 92%,transparent),var(--panel));
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.pad{padding:22px}

/* login */
.login{min-height:100%;display:grid;place-items:center;padding:20px}
.login-card{width:min(400px,94vw);padding:28px;display:grid;gap:14px}
.login-card label{display:grid;gap:6px;font-size:13px;color:var(--muted)}
input,select{width:100%;padding:11px 13px;border-radius:11px;border:1px solid var(--line);background:var(--bg2);color:var(--text);font-size:14.5px;outline:none}
input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,124,255,.18)}
.brand-lg{display:flex;gap:12px;align-items:center;margin-bottom:4px}
.brand-lg .logo,.brand .logo{font-size:26px;filter:drop-shadow(0 4px 10px rgba(79,124,255,.5))}
.brand-lg b{font-size:20px}.brand-lg small,.brand small{display:block;color:var(--muted);font-size:12px}

/* shell */
.shell{display:grid;grid-template-columns:250px 1fr;min-height:100%}
.side{background:linear-gradient(180deg,var(--bg2),var(--bg));border-right:1px solid var(--line);padding:20px 16px;display:flex;flex-direction:column;gap:8px;position:sticky;top:0;height:100vh}
.brand{display:flex;gap:11px;align-items:center;padding:6px 8px 16px}
.brand b{font-size:17px}
.side nav{display:grid;gap:4px;margin-top:6px}
.side nav a{padding:11px 13px;border-radius:11px;color:var(--muted);font-weight:600;transition:.15s}
.side nav a:hover{background:var(--panel2);color:var(--text)}
.side nav a.active{background:var(--panel2);color:var(--text);box-shadow:inset 3px 0 0 var(--primary)}
.side-foot{margin-top:auto;display:grid;gap:8px}
.main{padding:26px 30px;min-width:0;max-width:1100px}
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.head h1{margin:2px 0 2px;font-size:24px;letter-spacing:-.3px}
.head p{margin:0}

/* redes grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.netcard{padding:18px;border-radius:var(--radius);cursor:pointer;position:relative;overflow:hidden;transition:.18s}
.netcard::before{content:"";position:absolute;inset:0;background:var(--grad);opacity:.08}
.netcard:hover{transform:translateY(-3px);border-color:var(--primary)}
.netcard h3{margin:0 0 4px;font-size:17px;position:relative}
.netcard .cidr{font-family:ui-monospace,monospace;color:var(--accent);font-size:13px;position:relative}
.netcard .stat{display:flex;gap:16px;margin-top:14px;position:relative}
.netcard .stat b{font-size:20px;display:block}.netcard .stat span{font-size:11.5px;color:var(--muted)}
.nc-actions{position:absolute;top:10px;right:10px;display:flex;gap:6px;z-index:2;opacity:0;transition:.15s}
.netcard:hover .nc-actions{opacity:1}
.nc-edit,.nc-del{width:26px;height:26px;padding:0;line-height:1;border-radius:8px;font-size:13px;cursor:pointer;
  background:var(--panel2);border:1px solid var(--line);color:var(--muted)}
.nc-edit:hover{color:var(--text);border-color:var(--accent)}
.nc-del:hover{color:#fff;background:#e5484d;border-color:transparent}
.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:var(--panel2);font-size:12px;font-weight:600}
.dot{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 8px var(--success)}
.dot.off{background:var(--muted);box-shadow:none}

/* dispositivos */
.devlist{display:grid;gap:12px}
.devrow{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:14px;border:1px solid var(--line);background:var(--panel)}
.devrow .ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:20px;background:var(--panel2)}
.devrow .grow{flex:1;min-width:0}
.devrow .grow b{font-size:15px}
.devrow .ip{font-family:ui-monospace,monospace;color:var(--accent);font-size:12.5px}
.cardlist{display:grid;gap:10px}
.urow{display:flex;align-items:center;gap:12px;padding:13px 16px;border-radius:12px;border:1px solid var(--line);background:var(--panel)}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--grad);display:grid;place-items:center;color:#fff;font-weight:700}

/* modal */
.modal{position:fixed;inset:0;background:rgba(3,7,18,.6);backdrop-filter:blur(4px);display:grid;place-items:center;padding:18px;z-index:50}
.modal-card{width:min(460px,96vw);padding:24px;display:grid;gap:14px;animation:pop .2s both}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}
.modal-card h2{margin:0;font-size:19px}
.modal-card label{display:grid;gap:6px;font-size:13px;color:var(--muted)}
.qr-wrap{display:grid;justify-items:center;gap:10px;text-align:center}
.qr-wrap img{width:280px;height:280px;border-radius:14px;background:#fff;padding:12px}
.prose{max-width:720px}.prose h1{margin-top:0}.prose ol{padding-left:20px;line-height:1.9}
.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg button{flex:1;min-width:70px;padding:9px;border-radius:10px;border:1px solid var(--line);background:var(--bg2);color:var(--muted);font-weight:600;cursor:pointer}
.seg button.on{background:var(--panel2);color:var(--text);border-color:var(--primary)}
@media(max-width:820px){.shell{grid-template-columns:1fr}.side{position:static;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center}.side nav{grid-auto-flow:column;margin:0}.side-foot{flex-direction:row;margin:0 0 0 auto}}

/* ── sub-pestañas del detalle de red ── */
.subtabs{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:16px;border-bottom:1px solid var(--line);padding-bottom:0}
.subtabs button{padding:9px 14px;border:0;border-bottom:2px solid transparent;background:transparent;color:var(--muted);font-weight:600;font-size:13.5px;cursor:pointer;border-radius:8px 8px 0 0}
.subtabs button:hover{color:var(--text);background:var(--panel2)}
.subtabs button.active{color:var(--text);border-bottom-color:var(--primary)}
.main{max-width:1180px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.chk{display:flex !important;flex-direction:row !important;align-items:center;gap:8px;color:var(--text) !important;font-size:13.5px}
.chk input{width:auto}
.mono{font-family:ui-monospace,monospace;font-size:12.5px}
.seg.wrap button{flex:0 0 auto;min-width:0}
.pad{padding:22px}

/* ── barra de acciones de topología ── */
.topo-bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.topo-hint{color:var(--muted);font-size:12px;max-width:520px}
.topo-legend{display:inline-flex;align-items:center;gap:5px;color:var(--muted);font-size:12px}
.topo-legend .lg{display:inline-block;width:20px;height:0;border-top:3px solid var(--accent);vertical-align:middle}
.topo-legend .lg.mesh{border-top-style:dashed;border-top-color:#8b93a7}
.topo-legend .lg.proxy{border-top-color:var(--primary)}

/* La vista de detalle de red usa todo el ancho disponible (lienzo grande). */
.main:has(#view-network:not(.hidden)){max-width:none}

/* ── lienzo de topología ── */
.topo{position:relative;overflow:auto;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--bg2) linear-gradient(0deg,transparent 23px,color-mix(in srgb,var(--line) 40%,transparent) 24px) 0 0/24px 24px,
  linear-gradient(90deg,transparent 23px,color-mix(in srgb,var(--line) 40%,transparent) 24px) 0 0/24px 24px;
  touch-action:none;user-select:none;max-width:100%}
.topo-edges{position:absolute;inset:0;pointer-events:none;z-index:1}
.edge{fill:none;stroke-width:2.5;opacity:.8;stroke-linecap:round}
.edge.temp{stroke:var(--accent);stroke-dasharray:6 5;opacity:.9}
.edge.mesh{stroke:#8b93a7;stroke-width:1.6;opacity:.42;stroke-dasharray:5 5}

/* nodo HUB (centro de la malla hub-and-spoke) */
.hub-node{position:absolute;z-index:2;width:198px;padding:12px 14px;border-radius:14px;
  background:linear-gradient(135deg,color-mix(in srgb,var(--primary) 22%,var(--panel)),var(--panel));
  border:1.5px solid color-mix(in srgb,var(--primary) 55%,var(--line));box-shadow:0 10px 26px rgba(0,0,0,.34)}
.hn-badge{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.06em;color:var(--primary);margin-bottom:2px}

/* lanes (bandas por subred) */
.lane{position:absolute;border:1.5px dashed color-mix(in srgb,var(--lane,#64748b) 55%,var(--line));border-radius:14px;
  background:color-mix(in srgb,var(--lane,#64748b) 8%,transparent);z-index:0;transition:.12s}
.lane.hot{background:color-mix(in srgb,var(--lane,#64748b) 20%,transparent);border-style:solid}
.lane-hd{display:flex;align-items:center;gap:8px;padding:6px 12px;font-size:13px;color:var(--text);opacity:.85}
.lane-hd b{font-weight:700}
.lane-cidr{margin-left:auto;font-family:ui-monospace,monospace;font-size:11.5px;color:var(--muted)}

/* nodos de entrada (reglas de proxy) */
.entry-node{position:absolute;z-index:2;width:190px;padding:10px 12px;border-radius:12px;cursor:grab;
  background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--mode,var(--primary));box-shadow:0 6px 18px rgba(0,0,0,.28)}
.entry-node:active{cursor:grabbing}
.entry-node.add{border-style:dashed;border-left-style:solid;border-left-color:var(--accent);opacity:.9;background:var(--panel2)}
.en-title{font-weight:700;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.en-sub{color:var(--muted);font-size:11.5px;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.en-tgt{color:var(--accent);font-size:11.5px;font-family:ui-monospace,monospace;margin-top:2px}
.conn{position:absolute;right:-8px;top:50%;transform:translateY(-50%);width:15px;height:15px;border-radius:50%;
  background:var(--mode,var(--accent));border:2px solid var(--panel);cursor:crosshair;box-shadow:0 0 0 2px color-mix(in srgb,var(--mode,var(--accent)) 40%,transparent)}
.en-edit{position:absolute;top:6px;right:8px;background:transparent;border:0;color:var(--muted);cursor:pointer;font-size:12px}
.en-edit:hover{color:var(--text)}

/* nodos de dispositivo */
.dev-node{position:absolute;z-index:2;display:flex;align-items:center;gap:8px;width:150px;padding:8px 10px;border-radius:12px;cursor:grab;
  background:var(--panel);border:1px solid var(--line);box-shadow:0 6px 16px rgba(0,0,0,.26)}
.dev-node:active{cursor:grabbing}
/* Pista de que el nodo se puede abrir (clic = vista ampliada de su Remote access). */
.dev-node:hover{border-color:var(--accent);box-shadow:0 6px 18px rgba(0,0,0,.32),0 0 0 2px color-mix(in srgb,var(--accent) 30%,transparent)}
.dn-ico{font-size:18px}

/* ── Vista ampliada de dispositivo (clic en la Topología) ── */
.dev-detail{display:flex;flex-direction:column;gap:12px}
.dd-hd{display:flex;align-items:center;gap:13px}
.dd-ico{font-size:30px;width:52px;height:52px;flex:none;display:grid;place-items:center;border-radius:14px;background:var(--panel2);border:1px solid var(--line)}
.dd-hd .grow{flex:1;min-width:0}
.dd-x{flex:none;width:34px;height:34px;padding:0;line-height:1}
.dd-remote{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.dd-label{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-top:2px}
.dev-detail .rc-actions{flex-wrap:wrap;gap:8px}
.dn-body{min-width:0;flex:1}.dn-body b{display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dn-body small{color:var(--accent);font-family:ui-monospace,monospace;font-size:11px}
/* acciones directas sobre nodos (aparecen al pasar el cursor) */
.dn-edit,.dn-del{position:absolute;top:-9px;width:19px;height:19px;padding:0;line-height:1;font-size:11px;border-radius:6px;
  background:var(--panel2);border:1px solid var(--line);color:var(--muted);cursor:pointer;display:none;align-items:center;justify-content:center;z-index:3}
.dn-edit{right:24px}.dn-del{right:2px}
.dev-node:hover .dn-edit,.dev-node:hover .dn-del{display:inline-flex}
.dn-edit:hover{color:var(--text)}.dn-del:hover{color:#fff;background:#e5484d;border-color:transparent}
.en-del{position:absolute;top:6px;right:26px;background:transparent;border:0;color:var(--muted);cursor:pointer;font-size:12px}
.en-del:hover{color:#e5484d}
.lane-add,.lane-edit{margin-left:8px;width:22px;height:20px;padding:0;line-height:1;font-size:12px;border-radius:6px;
  background:transparent;border:1px solid var(--line);color:var(--muted);cursor:pointer}
.lane-add{margin-left:auto}.lane-cidr+.lane-add{margin-left:8px}
.lane-add:hover,.lane-edit:hover{color:var(--text);border-color:var(--accent)}

/* lista de reglas de proxy */
.rulelist{display:grid;gap:10px}
.rulerow{display:flex;align-items:center;gap:14px;padding:12px 15px;border-radius:13px;border:1px solid var(--line);background:var(--panel);border-left:4px solid var(--mode,var(--primary))}
.rulerow .grow{flex:1;min-width:0}
.rl-mode{font-weight:700;font-size:12.5px;white-space:nowrap}

/* grilla de subredes */
.seggrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.segcard{padding:16px;border-radius:14px;border:1px solid var(--line);background:var(--panel);border-top:4px solid var(--seg,var(--primary));cursor:pointer;transition:.16s}
.segcard:hover{transform:translateY(-2px);border-color:var(--seg,var(--primary))}
.sc-hd{display:flex;align-items:center;gap:9px;margin-bottom:4px}
.sc-ico{font-size:20px}.sc-hd b{font-size:15.5px}
.sc-count{margin-top:10px;font-weight:700;color:var(--accent)}

/* ── Remote access ── */
.remote-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:12px; margin-top:12px; }
.remote-group { grid-column:1/-1; font-weight:700; opacity:.72; text-transform:capitalize; margin:8px 2px 0; }
.remote-card { padding:12px; border-radius:14px; display:flex; flex-direction:column; gap:10px; }
.rc-hd { display:flex; align-items:center; gap:10px; }
.rc-ico { font-size:22px; }
.rc-svcs { min-height:20px; }
.svc-chips { display:flex; flex-wrap:wrap; gap:6px; }
.svc-chip { border:1px solid var(--line,#2a3444); background:transparent; color:inherit; border-radius:999px; padding:3px 9px; font-size:12px; cursor:pointer; transition:.12s; }
.svc-chip:hover:not(:disabled) { background:var(--accent,#3b82f6); border-color:transparent; color:#fff; }
/* Servicio abrible en el navegador (gateway web): se destaca como acción real. */
.svc-chip.web { border-color:var(--accent,#3b82f6); }
/* Equipo offline: el servicio es una suposición, no una acción. No debe invitar al clic. */
.svc-chip:disabled { opacity:.45; cursor:not-allowed; border-style:dashed; }
.rc-actions { flex-wrap:wrap; gap:6px; }
.chip { display:inline-flex; align-items:center; gap:5px; font-size:12px; padding:2px 9px; border-radius:999px; background:#0002; }
.chip.ok { background:#10b98122; color:#10b981; }
.perm-grid { display:grid; grid-template-columns:1fr 1fr; gap:4px 14px; margin:8px 0; }
.perm-grid .chk { font-size:13px; }
.codeblock { background:#0b1220; color:#c9d6e5; border:1px solid #24324a; border-radius:10px; padding:10px 12px; font:12px/1.5 ui-monospace,monospace; white-space:pre-wrap; word-break:break-all; }
.mesh-toast { position:fixed; bottom:22px; left:50%; transform:translateX(-50%); background:#111827; color:#fff; padding:9px 16px; border-radius:10px; font-size:13px; box-shadow:0 8px 30px #0007; z-index:9999; animation:mtoast .2s ease; }
@keyframes mtoast { from{opacity:0; transform:translate(-50%,8px);} to{opacity:1;} }

/* ── Descargas ── */
.cardlist .dlgroup{padding:22px}
.dlg-hd{display:flex;gap:14px;align-items:flex-start;margin-bottom:18px}
.dlg-ico{font-size:26px;line-height:1.2}
.dlg-hd h2{margin:0 0 4px;font-size:18px;letter-spacing:-.2px}
.dlg-hd p{margin:0;font-size:13px;max-width:760px}
.dl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.dlcard{display:flex;flex-direction:column;gap:8px;padding:16px;border-radius:14px;
  border:1px solid var(--line);background:var(--panel2);transition:.16s}
.dlcard:hover{transform:translateY(-2px);border-color:var(--primary)}
.dl-hd{display:flex;align-items:center;gap:10px}
.dl-ico{font-size:22px}
.dl-hd b{font-size:15.5px}
.dl-note{font-size:12.5px;line-height:1.45;flex:1}
.dl-file{display:flex;gap:8px;align-items:baseline;font-size:11.5px}
.dl-name{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dl-size{flex:0 0 auto;font-variant-numeric:tabular-nums}
.dl-foot{margin-top:2px}
.dl-foot .btn{width:100%}
/* Los enlaces a tiendas se reparten la fila y saltan de línea COMO BOTONES; sin nowrap
   se parte la etiqueta ("Google / Play") en vez de bajar el botón entero. */
.dl-foot.row .btn{width:auto;flex:1 1 auto;white-space:nowrap}
.dlcard .btn[disabled]{opacity:.45;cursor:not-allowed}
.dlcard .btn[disabled]:hover{transform:none}
.dl-hint{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;line-height:1.6}
.dl-foot-note{font-size:12.5px;line-height:1.6;padding:2px 4px}

/* ── Banner de actualización (OTA server) ── */
.update-banner { display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
  background:linear-gradient(90deg,#1d4ed8,#7c3aed); color:#fff; padding:10px 16px; border-radius:12px; margin-bottom:14px; font-size:13.5px; box-shadow:0 6px 20px #0004; }
.update-banner .btn.primary { background:#fff; color:#1d4ed8; }
.update-banner .btn.ghost { color:#fff; border-color:#ffffff66; }

/* ── seguridad / roles / auditoría (Fase 3) ── */
.sel { background:var(--card,#1a2234); color:inherit; border:1px solid #ffffff22; border-radius:9px; padding:7px 10px; font-size:13px; }
.sel:disabled { opacity:.5; cursor:not-allowed; }
.ok { color:#22c55e; font-size:13px; }
.btn.danger { color:#f87171; border-color:#f8717155; }
table.audit { width:100%; border-collapse:collapse; font-size:12.5px; }
table.audit th, table.audit td { text-align:left; padding:8px 12px; border-bottom:1px solid #ffffff11; }
table.audit thead th { position:sticky; top:0; background:#0e1524; font-weight:600; }
table.audit tbody tr:hover { background:#ffffff08; }