:root{
  --bg:#E9EDEF;
  --surface:#F6F7F8;
  --surface-2:#E4E8EA;
  --surface-3:#D6DBDE;
  --ink:#1A2024;
  --ink-muted:#5A646C;
  --ink-faint:#8B959C;
  --border:#D2D8DB;
  --border-strong:#B5BEC2;
  --accent:#2E5A73;
  --accent-ink:#FFFFFF;
  --accent-soft:#E2E9EC;
  --accent-strong:#1F4256;
  --good:#1E7A46;
  --good-soft:#E4F1E9;
  --warning:#A85E00;
  --warning-soft:#FBEBD3;
  --critical:#B3261E;
  --critical-soft:#FBE2E0;
  --shadow:0 1px 2px rgba(16,32,40,.07),0 10px 26px -14px rgba(16,32,40,.28);
  --font-display:'Barlow Condensed','Arial Narrow',sans-serif;
  --font-body:'IBM Plex Sans',-apple-system,'Segoe UI',sans-serif;
  --font-mono:'IBM Plex Mono','SFMono-Regular',Consolas,monospace;
}
/* Tema oscuro siempre, aunque el dispositivo esté en modo claro */
:root:not([data-theme="light"]){
  color-scheme:dark;
  --bg:#10151A; --surface:#171E24; --surface-2:#1E262D; --surface-3:#283239;
  --ink:#E7EAEC; --ink-muted:#8E9AA1; --ink-faint:#5C6870;
  --border:#2A333A; --border-strong:#3A454D;
  --accent:#7FB4CC; --accent-ink:#0B1A21; --accent-soft:#1B2C34; --accent-strong:#A8D2E3;
  --good:#3FA972; --good-soft:#12301F;
  --warning:#D99A3F; --warning-soft:#332510;
  --critical:#DE6E63; --critical-soft:#3A1613;
    --shadow:0 1px 2px rgba(0,0,0,.5),0 14px 30px -16px rgba(0,0,0,.65);
}
:root[data-theme="dark"]{
  --bg:#0D141B; --surface:#141E27; --surface-2:#1A2530; --surface-3:#233240;
  --ink:#E7EEF3; --ink-muted:#93A7B7; --ink-faint:#5E7384;
  --border:#243240; --border-strong:#33475A;
  --accent:#3FC0CC; --accent-ink:#04262A; --accent-soft:#123640; --accent-strong:#74D8E1;
  --good:#3FC48A; --good-soft:#12331F;
  --warning:#E2A059; --warning-soft:#332510;
  --critical:#E9695F; --critical-soft:#3A1815;
  --shadow:0 1px 2px rgba(0,0,0,.5),0 14px 30px -16px rgba(0,0,0,.65);
}

*{box-sizing:border-box;}
body{background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;margin:0;text-wrap:balance;letter-spacing:.01em;}
p{margin:0;}
button,input,select{font:inherit;color:inherit;}
::selection{background:var(--accent-soft);color:var(--accent-strong);}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

/* ---------- Login ---------- */
.login{display:grid;grid-template-columns:1.05fr 1fr;min-height:100vh;background:var(--bg);}
.login-visual{background:#0D1417;color:#E3E8EA;padding:52px 48px;display:flex;flex-direction:column;justify-content:center;gap:52px;position:relative;overflow:hidden;box-shadow:inset 0 0 120px rgba(0,0,0,.35);}
.login-visual::after{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(180deg, rgba(255,255,255,.03) 0px, rgba(255,255,255,.03) 1px, transparent 1px, transparent 3px);pointer-events:none;opacity:.6;}
.lv-top{position:relative;z-index:1;}
.lv-eyebrow{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.14em;color:#8FC2D9;font-weight:600;}
.lv-head{font-size:clamp(21px,2.4vw,28px);line-height:1.14;margin:14px 0 16px;max-width:21ch;}
.lv-desc{font-size:14px;color:#B7D3D6;max-width:44ch;line-height:1.6;}
.lv-desc b{color:#E4F3F5;font-weight:600;}

.flow{position:relative;z-index:1;display:flex;flex-direction:column;gap:0;}
.flow-node{display:flex;align-items:center;gap:16px;padding:14px 0;position:relative;}
.flow-node .fn-dot{width:34px;height:34px;border-radius:4px;background:rgba(255,255,255,.05);border:1px solid rgba(143,194,217,.35);display:grid;place-items:center;color:#8FC2D9;flex-shrink:0;}
.flow-node .fn-text .fn-title{font-size:13.5px;font-weight:600;color:#EAF6F7;}
.flow-node .fn-text .fn-sub{font-size:11.5px;color:#8FB2B6;}
.flow-node:not(:last-child)::before{content:"";position:absolute;left:17px;top:48px;width:1px;height:calc(100% - 6px);background:linear-gradient(#7FB4CC,transparent 90%);opacity:.4;}
.flow-node.dash::before{background-image:linear-gradient(rgba(143,194,217,.55) 50%, transparent 0);background-size:1px 6px;animation:flow-dash 1.4s linear infinite;opacity:.7;}
@keyframes flow-dash{to{background-position:0 -12px;}}
@media (prefers-reduced-motion:reduce){.flow-node.dash::before{animation:none;}}

.lv-foot{position:relative;z-index:1;font-family:var(--font-mono);font-size:11px;color:#7C8B92;display:flex;align-items:center;gap:8px;}
.lv-foot .fdot{width:6px;height:6px;border-radius:1px;background:#8FC2D9;}

.login-form-side{background:var(--surface);display:flex;align-items:center;justify-content:center;padding:40px;}
.login-card{width:100%;max-width:352px;}
.login-card .eyebrow{font-size:11.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-faint);font-weight:600;}
.login-card h1{font-size:28px;margin:8px 0 6px;}
.login-card .sub{color:var(--ink-muted);font-size:13.5px;margin-bottom:26px;}
.field{display:flex;flex-direction:column;gap:5px;margin-bottom:14px;}
.field label{font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-faint);font-weight:600;}
.field input,.field select{font-family:var(--font-body);font-size:13.5px;padding:10px 11px;border-radius:4px;border:1px solid var(--border-strong);background:var(--surface);color:var(--ink);width:100%;}
.field input:focus,.field select:focus{border-color:var(--accent);}
.pass-wrap{position:relative;}
.pass-wrap input{padding-right:42px;}
.pass-toggle{position:absolute;top:0;right:0;height:100%;width:42px;display:grid;place-items:center;background:none;border:0;border-radius:0 4px 4px 0;color:var(--ink-faint);cursor:pointer;}
.pass-toggle:hover,.pass-toggle:focus-visible{color:var(--accent);}
.pass-toggle .ojo-cerrado,.pass-toggle[aria-pressed="true"] .ojo-abierto{display:none;}
.pass-toggle[aria-pressed="true"] .ojo-cerrado{display:block;}
.btn{font-family:var(--font-display);font-size:13.5px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;padding:9px 15px;border-radius:4px;border:1px solid var(--border-strong);background:var(--surface);color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;white-space:nowrap;}
.btn:hover{background:var(--surface-2);}
.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);}
.btn-primary:hover{background:var(--accent-strong);border-color:var(--accent-strong);}
.btn-block{width:100%;padding:10px 15px;}
.btn-ghost{background:none;border-color:transparent;color:var(--accent-strong);padding:9px 6px;}
.btn-sm{padding:6px 11px;font-size:12px;}
.btn:disabled{opacity:.45;cursor:not-allowed;}
.btn:disabled:hover{background:var(--surface);}
.login-note{margin-top:16px;font-size:12px;color:var(--ink-faint);text-align:center;line-height:1.5;}

/* ---------- Shell ---------- */
#view-shell{display:grid;grid-template-columns:228px 1fr;min-height:100vh;}
.sidebar{background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:18px 12px;position:sticky;top:0;height:100vh;}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 16px;border-bottom:1px solid var(--border);margin-bottom:10px;}
.brand-mark{width:32px;height:32px;border-radius:5px;background:var(--accent-soft);color:var(--accent-strong);display:grid;place-items:center;flex-shrink:0;}
.brand-text .name{font-family:var(--font-display);font-weight:600;font-size:16.5px;line-height:1.1;}
.brand-text .org{font-size:10.5px;color:var(--ink-muted);letter-spacing:.05em;text-transform:uppercase;}

.menu-movil{display:contents;}
.menu-btn{display:none;}
.nav{display:flex;flex-direction:column;gap:2px;flex:1;}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:4px;color:var(--ink-muted);font-family:var(--font-display);font-size:15px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;cursor:pointer;border:1px solid transparent;border-left:3px solid transparent;background:none;text-align:left;width:100%;}
.nav-item:hover{background:var(--surface-2);color:var(--ink);}
.nav-item.active{background:var(--surface-2);color:var(--accent-strong);border-left-color:var(--accent);}
.nav-item svg{flex-shrink:0;}

.sidebar-foot{border-top:1px solid var(--border);padding-top:12px;margin-top:8px;display:flex;align-items:center;gap:9px;}
.avatar{width:30px;height:30px;border-radius:999px;background:var(--surface-3);display:grid;place-items:center;font-family:var(--font-display);font-weight:600;font-size:13px;color:var(--ink);flex-shrink:0;}
.user-meta{min-width:0;}
.user-meta .uname{font-size:12.5px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.user-meta .urole{font-size:11px;color:var(--ink-muted);}
.logout-btn{margin-left:auto;background:none;border:none;color:var(--ink-faint);cursor:pointer;padding:5px;border-radius:6px;flex-shrink:0;}
.logout-btn:hover{color:var(--critical);background:var(--surface-2);}

.main{display:flex;flex-direction:column;min-width:0;}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 26px;border-bottom:1px solid var(--border);background:var(--surface);position:sticky;top:0;z-index:5;flex-wrap:wrap;}
.tb-site{display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--ink-muted);}
.tb-right{display:flex;align-items:center;gap:10px;}
.status-pill{display:inline-flex;align-items:center;gap:7px;font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;padding:5px 9px;border-radius:3px;background:var(--surface-2);border:1px solid var(--border);color:var(--good);font-weight:600;}
.status-pill .dot{width:7px;height:7px;border-radius:1px;background:currentColor;animation:pulse 1.8s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.3;}}
@media (prefers-reduced-motion:reduce){.status-pill .dot{animation:none;}}
.proto-chip{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.05em;text-transform:uppercase;padding:4px 9px;border-radius:3px;border:1px dashed var(--border-strong);color:var(--ink-faint);}

.content{padding:24px 26px 60px;flex:1;}
.page-head{margin-bottom:20px;display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.page-head .eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-faint);font-weight:600;}
.page-head h1{font-size:25px;margin-top:3px;}
.page-head p{margin-top:5px;color:var(--ink-muted);max-width:60ch;font-size:13.5px;}

/* ---------- Banner ---------- */
.banner{display:flex;align-items:flex-start;gap:14px;padding:13px 16px;border-radius:6px;background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--good);margin-bottom:22px;}
.banner.critical{background:var(--critical-soft);border-color:var(--critical);}
.banner .banner-icon{color:var(--good);flex-shrink:0;margin-top:1px;}
.banner.critical .banner-icon{color:var(--critical);}
.banner .banner-body{flex:1;min-width:0;}
.banner .banner-title{font-size:14px;font-weight:600;font-family:var(--font-body);}
.banner .banner-desc{font-size:12.5px;color:var(--ink-muted);margin-top:2px;}
.banner .banner-actions{display:flex;gap:8px;flex-shrink:0;}

/* ---------- Stat tiles ---------- */
.stat-groups{display:flex;flex-direction:column;gap:20px;margin-bottom:24px;}
.stat-group h3{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-faint);font-weight:600;margin-bottom:9px;}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:10px;}
.stat-tile{background:var(--surface);border:1px solid var(--border);border-radius:5px;padding:12px 14px;transition:border-color .15s,box-shadow .15s;}
.stat-tile .label{font-family:var(--font-mono);font-size:10.5px;color:var(--ink-muted);text-transform:uppercase;letter-spacing:.03em;}
.stat-tile .value{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:19px;font-weight:600;color:var(--ink);margin-top:3px;}
.stat-tile .value .unit{font-size:11.5px;color:var(--ink-muted);font-weight:500;margin-left:3px;}
.stat-tile.critical{border-color:var(--critical);box-shadow:inset 3px 0 0 var(--critical);}
.stat-tile.critical .value{color:var(--critical);}

/* ---------- Chart ---------- */
.chart-card{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:18px 18px 10px;margin-bottom:24px;}
.chart-card-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:8px;gap:12px;flex-wrap:wrap;}
.chart-card-head h3{font-family:var(--font-mono);font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;font-weight:600;color:var(--ink-faint);}
.chart-headline-row{display:flex;align-items:baseline;gap:10px;margin-top:2px;}
.chart-headline{font-family:var(--font-mono);font-size:24px;font-weight:600;font-variant-numeric:tabular-nums;}
.chart-trend{font-family:var(--font-mono);font-size:11.5px;color:var(--ink-muted);background:var(--surface-2);padding:2px 7px;border-radius:3px;}
.chart-svg-wrap{position:relative;}
.chart-svg-wrap svg{display:block;width:100%;height:auto;}
.chart-grid{stroke:var(--border);stroke-width:1;stroke-dasharray:1 3;}
.chart-axis-label{fill:var(--ink-faint);font-family:var(--font-mono);font-size:9px;}
.chart-area{fill:url(#chartGradient);}
.chart-line{stroke:var(--accent);stroke-width:1.75;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.chart-point{fill:var(--accent);stroke:var(--surface);stroke-width:2;}
.chart-point-ring{fill:none;stroke:var(--accent);stroke-opacity:.3;}
.chart-crosshair{stroke:var(--border-strong);stroke-width:1;stroke-dasharray:2 3;}
.chart-tooltip{position:absolute;pointer-events:none;background:var(--surface);border:1px solid var(--border-strong);box-shadow:var(--shadow);border-radius:4px;padding:6px 10px;font-size:11.5px;transform:translate(-50%,-115%);white-space:nowrap;}
.chart-tooltip .tt-time{color:var(--ink-faint);}
.chart-tooltip .tt-value{font-family:var(--font-mono);font-weight:600;font-variant-numeric:tabular-nums;}

/* ---------- Tables ---------- */
.table-card{background:var(--surface);border:1px solid var(--border);border-radius:6px;overflow:hidden;margin-bottom:20px;}
.table-toolbar{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border);gap:12px;flex-wrap:wrap;}
.table-toolbar h3{font-size:15.5px;}
.table-toolbar .muted{font-size:11.5px;color:var(--ink-faint);margin-top:1px;}
.add-form{display:grid;grid-template-columns:1.3fr 1fr 1fr auto;gap:10px;padding:14px 18px;border-bottom:1px solid var(--border);align-items:end;background:var(--surface-2);}
.add-form .field{margin-bottom:0;}
.table-wrap{overflow-x:auto;}
table{width:100%;border-collapse:collapse;font-size:13px;min-width:560px;}
thead th{text-align:left;font-family:var(--font-mono);font-size:10px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-faint);font-weight:600;padding:10px 18px;border-bottom:1px solid var(--border);background:var(--surface-2);white-space:nowrap;}
tbody td{padding:11px 18px;border-bottom:1px solid var(--border);vertical-align:top;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:var(--surface-2);}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;}
.cell-actions{display:flex;gap:4px;white-space:nowrap;}
.icon-btn{background:none;border:none;color:var(--ink-faint);cursor:pointer;padding:5px;border-radius:6px;display:inline-flex;}
.icon-btn:hover{color:var(--critical);background:var(--surface-3);}
.stack-cell .primary{font-size:13px;}
.stack-cell .secondary{font-size:11.5px;color:var(--ink-faint);margin-top:1px;}
.row-new{animation:rowFlash 2.2s ease-out;}
@keyframes rowFlash{from{background:var(--warning-soft);}to{background:transparent;}}
@media (prefers-reduced-motion:reduce){.row-new{animation:none;}}

.chip{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:11.5px;font-weight:600;letter-spacing:.02em;white-space:nowrap;}
.chip::before{content:"";width:6px;height:6px;border-radius:1px;background:currentColor;flex-shrink:0;}
.chip.good{color:var(--good);}
.chip.warning{color:var(--warning);}
.chip.critical{color:var(--critical);}
.chip.neutral{color:var(--ink-muted);}

.info-card{background:var(--surface-2);border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:6px;padding:16px 18px;font-size:13px;color:var(--ink);}
.info-card h4{font-family:var(--font-body);font-size:13px;font-weight:600;margin-bottom:8px;}
.info-card ul{margin:0;padding-left:18px;line-height:1.9;}
.info-card code{font-family:var(--font-mono);background:var(--surface);border:1px solid var(--border);padding:1px 6px;border-radius:5px;font-size:12px;}

/* ---------- Toasts ---------- */
.toast-stack{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:10px;z-index:50;width:min(340px,calc(100vw - 36px));}
.toast{background:var(--surface);border:1px solid var(--border-strong);border-left:3px solid var(--accent);box-shadow:var(--shadow);border-radius:5px;padding:12px 16px;font-size:12.5px;animation:toast-in .25s ease-out;}
.toast strong{display:block;margin-bottom:2px;font-size:13px;}
.toast.critical{border-left-color:var(--critical);}
@keyframes toast-in{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}
@media (prefers-reduced-motion:reduce){.toast{animation:none;}}

[hidden]{display:none!important;}

@media (max-width:860px){
  /* En pantallas angostas el bloque oscuro queda como encabezado compacto */
  .login{grid-template-columns:1fr;grid-template-rows:auto 1fr;}
  .login-visual{padding:36px 24px 30px;gap:0;}
  .login-visual .flow,.login-visual .lv-foot{display:none;}
  .lv-head{font-size:22px;margin:10px 0 0;}
  .login-form-side{align-items:flex-start;padding:32px 24px 48px;}
  /* Celular: barra con la marca y un botón de tres rayas que despliega el menú */
  #view-shell{grid-template-columns:1fr;}
  .sidebar{position:sticky;top:0;z-index:20;height:auto;padding:10px 14px;border-right:none;border-bottom:1px solid var(--border);}
  .brand{border-bottom:none;margin-bottom:0;padding:2px 0;}
  .menu-btn{display:grid;place-items:center;margin-left:auto;width:42px;height:42px;background:none;border:1px solid var(--border);border-radius:5px;color:var(--ink);cursor:pointer;}
  .menu-btn:hover,.menu-btn:focus-visible{border-color:var(--accent);color:var(--accent-strong);}
  .menu-btn .menu-cerrar,.sidebar.abierto .menu-btn .menu-abrir{display:none;}
  .sidebar.abierto .menu-btn .menu-cerrar{display:block;}
  .menu-movil{display:none;}
  .sidebar.abierto .menu-movil{display:flex;flex-direction:column;padding-top:10px;margin-top:10px;border-top:1px solid var(--border);max-height:calc(100vh - 80px);overflow-y:auto;}
  .nav-item{padding:12px 10px;}
  .topbar{position:static;}
  .add-form{grid-template-columns:1fr 1fr;}
}

/* ---------- Agregados para la versión conectada ---------- */
.login-error{margin-top:12px;font-size:12.5px;color:var(--critical);text-align:center;}
.status-pill.bad{color:var(--critical);}
.status-pill.neutral{color:var(--ink-muted);}
.status-pill.neutral .dot{animation:none;}
.banner.warning{background:var(--warning-soft);border-color:var(--warning);}
.banner.warning .banner-icon{color:var(--warning);}
.banner .banner-desc ul{margin:4px 0 0;padding-left:18px;}
.empty{padding:26px 18px;text-align:center;color:var(--ink-faint);font-size:13px;}
.tb-site select{font-size:12.5px;padding:4px 6px;border-radius:4px;border:1px solid var(--border-strong);background:var(--surface);color:var(--ink);}
.modal-fondo{position:fixed;inset:0;background:rgba(10,16,20,.55);display:grid;place-items:center;z-index:60;padding:16px;}
.modal{background:var(--surface);border:1px solid var(--border-strong);border-radius:6px;box-shadow:var(--shadow);max-width:560px;width:100%;padding:20px 22px;}
.modal h3{font-size:19px;margin-bottom:8px;}
.modal p{font-size:13px;color:var(--ink-muted);margin-bottom:12px;}
.modal pre{font-family:var(--font-mono);font-size:12px;background:var(--surface-2);border:1px solid var(--border);border-radius:4px;padding:10px 12px;white-space:pre-wrap;word-break:break-all;margin:0 0 14px;}
.modal .acciones{display:flex;gap:8px;justify-content:flex-end;}
@media (max-width:860px){ .add-form{grid-template-columns:1fr;} .content{padding:18px 16px 60px;} .topbar{padding:12px 16px;} }

/* Ventana de registro de un equipo detectado */
tr.fila-clic{cursor:pointer;}
tr.fila-clic:hover td{background:var(--surface-2);}
.modal .ficha{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:13px;background:var(--surface-2);border:1px solid var(--border);border-radius:4px;padding:12px 14px;margin:0 0 12px;}
.modal .ficha dt{color:var(--ink-faint);font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;font-weight:600;align-self:center;}
.modal .ficha dd{margin:0;color:var(--ink);overflow-wrap:anywhere;}
.modal .acciones .separador{flex:1;}
@media (max-width:560px){.modal .ficha{grid-template-columns:1fr;}.modal .ficha dd{margin-bottom:6px;}}