/* ============================================================
   Xnet NOC — lenguaje visual: plano de instalacion.
   El edificio es el objeto real; la interfaz lo dibuja como
   un plano de riser: pisos apilados, cuartos como celdas.
   ============================================================ */

:root{
  --paper:      #E7EDF2;
  --paper-deep: #D8E2EA;
  --panel:      #FBFDFE;
  --ink:        #0E2233;
  --ink-soft:   #4A6076;
  --line:       #BCCBD8;
  --line-soft:  #D5E0E9;

  --ok:        #0B7A93;   /* cian de plano */
  --warn:      #B0730A;
  --crit:      #A62A21;
  --sat:       #7A3E9D;   /* saturado: falla opuesta, color propio */
  --down:      #35485A;
  --unknown:   #93A6B6;

  --r: 3px;
  --shadow: 0 1px 0 var(--line-soft), 0 2px 10px rgba(14,34,51,.06);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--paper);
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size:28px 28px;
  color:var(--ink);
  font-family:"IBM Plex Sans",-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:15px; line-height:1.5;
}
a{color:var(--ok)}

.wrap{max-width:1180px;margin:0 auto;padding:0 20px 60px}

/* ---------- encabezado ---------- */
.top{
  border-bottom:2px solid var(--ink);
  background:var(--panel);
  margin-bottom:26px;
}
.top-in{max-width:1180px;margin:0 auto;padding:14px 20px;
  display:flex;align-items:baseline;gap:18px;flex-wrap:wrap}
.brand{
  font-family:"Saira Condensed",Impact,sans-serif;
  font-weight:700;font-size:26px;letter-spacing:.02em;text-transform:uppercase;
  margin:0;
}
.brand span{color:var(--ok)}
.site-tag{
  font-family:"IBM Plex Mono",monospace;font-size:12px;
  text-transform:uppercase;letter-spacing:.14em;color:var(--ink-soft);
}
.top nav{margin-left:auto;display:flex;gap:16px;align-items:baseline}
.top nav a{
  font-family:"Saira Condensed",sans-serif;text-transform:uppercase;
  letter-spacing:.08em;font-size:15px;text-decoration:none;color:var(--ink-soft);
  border-bottom:2px solid transparent;padding-bottom:2px;
}
.top nav a:hover,.top nav a.on{color:var(--ink);border-color:var(--ok)}

/* ---------- barra de estado del agente ---------- */
.beat{
  display:flex;align-items:center;gap:10px;
  font-family:"IBM Plex Mono",monospace;font-size:12px;
  padding:8px 12px;margin-bottom:22px;border-radius:var(--r);
  background:var(--panel);border:1px solid var(--line);
}
.beat .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 3px rgba(11,122,147,.18)}
.beat.stale .dot{background:var(--crit);box-shadow:0 0 0 3px rgba(166,42,33,.18)}
.beat.stale{border-color:var(--crit)}

/* ---------- lectura de instrumentos ---------- */
.readout{display:flex;gap:0;flex-wrap:wrap;margin-bottom:30px;
  border:1px solid var(--line);background:var(--panel);border-radius:var(--r);
  box-shadow:var(--shadow);overflow:hidden}
.readout div{flex:1 1 130px;padding:14px 18px;border-right:1px solid var(--line-soft)}
.readout div:last-child{border-right:0}
.readout b{
  display:block;font-family:"Saira Condensed",sans-serif;
  font-size:38px;line-height:1;font-weight:600;letter-spacing:-.01em;
}
.readout small{
  display:block;margin-top:6px;font-family:"IBM Plex Mono",monospace;
  font-size:10.5px;text-transform:uppercase;letter-spacing:.13em;color:var(--ink-soft);
}
.readout .c-ok b{color:var(--ok)} .readout .c-warn b{color:var(--warn)}
.readout .c-crit b{color:var(--crit)} .readout .c-sat b{color:var(--sat)}
.readout .c-down b{color:var(--down)}

/* ---------- titulo de seccion, estilo cajetin de plano ---------- */
.sec{display:flex;align-items:baseline;gap:14px;margin:34px 0 14px}
.sec h2{
  font-family:"Saira Condensed",sans-serif;font-weight:600;font-size:21px;
  text-transform:uppercase;letter-spacing:.06em;margin:0;
}
.sec .rule{flex:1;height:1px;background:var(--line)}
.sec .note{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--ink-soft);
  text-transform:uppercase;letter-spacing:.1em}

/* ---------- EL PLANO: pisos y cuartos ---------- */
.riser{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:6px 0;box-shadow:var(--shadow)}
.floor{display:flex;align-items:stretch;border-bottom:1px dashed var(--line-soft)}
.floor:last-child{border-bottom:0}
.floor-no{
  flex:0 0 62px;display:flex;align-items:center;justify-content:flex-end;
  padding:0 14px;border-right:1px solid var(--line);
  font-family:"Saira Condensed",sans-serif;font-size:24px;font-weight:600;
  color:var(--ink-soft);
}
.floor-no em{font-style:normal;font-size:10px;letter-spacing:.12em;
  color:var(--unknown);margin-right:5px}
.rooms{flex:1;display:flex;flex-wrap:wrap;gap:5px;padding:9px 12px}

.room{
  position:relative;width:60px;height:44px;border-radius:2px;
  border:1px solid var(--line);background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-decoration:none;color:var(--ink);cursor:pointer;
  transition:transform .12s ease, box-shadow .12s ease;
}
.room:hover,.room:focus-visible{transform:translateY(-2px);
  box-shadow:0 3px 8px rgba(14,34,51,.18);outline:none;z-index:3}
.room:focus-visible{border-color:var(--ink)}
.room .n{font-family:"IBM Plex Mono",monospace;font-size:13px;font-weight:600}
.room .v{font-family:"IBM Plex Mono",monospace;font-size:9.5px;color:var(--ink-soft)}
.room::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px}
.room.h-ok::before{background:var(--ok)}
.room.h-warn::before{background:var(--warn)}
.room.h-crit::before{background:var(--crit)}
.room.h-sat::before{background:var(--sat)}
.room.h-down::before{background:var(--down)}
.room.h-unknown::before{background:var(--unknown)}
.room.h-crit,.room.h-down,.room.h-sat{border-color:currentColor}
.room.h-crit{background:#FCF1F0} .room.h-down{background:#EDF1F4}
.room.h-sat{background:#F7F1FA}  .room.h-warn{background:#FDF6EA}

/* la celda caida late: es lo unico que se mueve en la pantalla */
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.room.h-down .n{animation:pulse 2.4s ease-in-out infinite}
@media (prefers-reduced-motion:reduce){.room.h-down .n{animation:none}}

/* ---------- leyenda ---------- */
.legend{display:flex;gap:18px;flex-wrap:wrap;margin-top:12px;
  font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--ink-soft)}
.legend i{display:inline-block;width:10px;height:10px;border-radius:2px;
  margin-right:6px;vertical-align:-1px}

/* ---------- incidentes ---------- */
.inc{background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--line);
  border-radius:var(--r);padding:12px 16px;margin-bottom:8px;box-shadow:var(--shadow)}
.inc.sev-critical{border-left-color:var(--crit)}
.inc.sev-warning{border-left-color:var(--warn)}
.inc h3{margin:0 0 4px;font-family:"Saira Condensed",sans-serif;font-size:17px;
  font-weight:600;letter-spacing:.02em}
.inc p{margin:0;font-size:13.5px;color:var(--ink-soft)}
.inc .when{float:right;font-family:"IBM Plex Mono",monospace;font-size:11px;
  color:var(--unknown)}

.empty{background:var(--panel);border:1px dashed var(--line);border-radius:var(--r);
  padding:26px;text-align:center;color:var(--ink-soft)}
.empty strong{display:block;font-family:"Saira Condensed",sans-serif;font-size:19px;
  color:var(--ink);margin-bottom:4px;text-transform:uppercase;letter-spacing:.04em}

/* ---------- tabla ---------- */
table{width:100%;border-collapse:collapse;background:var(--panel);
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  box-shadow:var(--shadow);font-size:13.5px}
th{background:var(--paper-deep);text-align:left;padding:9px 12px;
  font-family:"IBM Plex Mono",monospace;font-size:10.5px;text-transform:uppercase;
  letter-spacing:.1em;color:var(--ink-soft);border-bottom:1px solid var(--line)}
td{padding:9px 12px;border-bottom:1px solid var(--line-soft)}
tr:last-child td{border-bottom:0}
td.num{font-family:"IBM Plex Mono",monospace;text-align:right}
.pill{display:inline-block;padding:1px 8px;border-radius:10px;font-size:11px;
  font-family:"IBM Plex Mono",monospace;color:#fff}
.p-ok{background:var(--ok)} .p-warn{background:var(--warn)}
.p-crit{background:var(--crit)} .p-sat{background:var(--sat)}
.p-down{background:var(--down)} .p-unknown{background:var(--unknown)}

/* ---------- login ---------- */
.login{max-width:340px;margin:9vh auto;background:var(--panel);
  border:1px solid var(--line);border-top:3px solid var(--ok);
  border-radius:var(--r);padding:30px;box-shadow:var(--shadow)}
.login h1{font-family:"Saira Condensed",sans-serif;text-transform:uppercase;
  font-size:25px;margin:0 0 4px;letter-spacing:.03em}
.login p{margin:0 0 20px;font-size:13px;color:var(--ink-soft)}
label{display:block;font-family:"IBM Plex Mono",monospace;font-size:10.5px;
  text-transform:uppercase;letter-spacing:.1em;color:var(--ink-soft);margin-bottom:5px}
input[type=text],input[type=email],input[type=password]{
  width:100%;padding:9px 11px;margin-bottom:15px;border:1px solid var(--line);
  border-radius:var(--r);font-family:"IBM Plex Mono",monospace;font-size:14px;
  background:#fff;color:var(--ink)}
input:focus{outline:2px solid var(--ok);outline-offset:1px;border-color:var(--ok)}
button{width:100%;padding:10px;background:var(--ink);color:#fff;border:0;
  border-radius:var(--r);font-family:"Saira Condensed",sans-serif;font-size:16px;
  text-transform:uppercase;letter-spacing:.08em;cursor:pointer}
button:hover{background:var(--ok)}
.err{background:#FCF1F0;border:1px solid var(--crit);color:var(--crit);
  padding:9px 12px;border-radius:var(--r);font-size:13px;margin-bottom:15px}
.hint{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--ink-soft);
  margin-top:16px;text-align:center;line-height:1.7}

/* ---------- detalle ---------- */
.detail-head{display:flex;align-items:flex-start;gap:20px;flex-wrap:wrap;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:18px 22px;box-shadow:var(--shadow);margin-bottom:8px}
.detail-head .big{font-family:"Saira Condensed",sans-serif;font-size:46px;
  line-height:1;font-weight:700}
.advice{background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--ok);
  padding:14px 18px;border-radius:var(--r);margin-bottom:22px;box-shadow:var(--shadow)}
.advice.sev-crit{border-left-color:var(--crit)}
.advice.sev-warn{border-left-color:var(--warn)}
.advice.sev-sat{border-left-color:var(--sat)}
.advice.sev-down{border-left-color:var(--down)}
.advice b{font-family:"Saira Condensed",sans-serif;text-transform:uppercase;
  letter-spacing:.05em;font-size:15px;display:block;margin-bottom:3px}

.spark{width:100%;height:150px;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r);box-shadow:var(--shadow)}

@media (max-width:620px){
  .floor-no{flex:0 0 46px;font-size:19px}
  .room{width:52px;height:40px}
  .readout div{flex:1 1 50%}
  .brand{font-size:21px}
}

/* ---------- selector de hotel ---------- */
.picker{display:flex;gap:6px;align-items:center}
.picker select{
  font-family:"IBM Plex Mono",monospace;font-size:12px;padding:5px 8px;
  border:1px solid var(--line);border-radius:var(--r);background:#fff;
  color:var(--ink);cursor:pointer;max-width:260px}
.picker select:focus{outline:2px solid var(--ok);outline-offset:1px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- tarjetas de hotel ---------- */
.cards{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(268px,1fr))}
.card{
  display:block;text-decoration:none;color:var(--ink);background:var(--panel);
  border:1px solid var(--line);border-left:4px solid var(--ok);
  border-radius:var(--r);padding:15px 17px;box-shadow:var(--shadow);
  transition:transform .12s ease, box-shadow .12s ease}
.card:hover,.card:focus-visible{transform:translateY(-2px);
  box-shadow:0 4px 14px rgba(14,34,51,.16);outline:none}
.card:focus-visible{border-color:var(--ink)}
.card.sev-warn{border-left-color:var(--warn)}
.card.sev-crit{border-left-color:var(--crit)}
.card.current{background:#fff;box-shadow:0 0 0 2px var(--ok), var(--shadow)}
.card-top{display:flex;justify-content:space-between;align-items:baseline;gap:10px;
  margin-bottom:12px}
.card-top b{font-family:"Saira Condensed",sans-serif;font-size:19px;font-weight:600;
  text-transform:uppercase;letter-spacing:.03em}
.card-top code{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--ink-soft);
  background:var(--paper);padding:1px 6px;border-radius:9px}
.card-nums{display:flex;gap:16px;margin-bottom:12px}
.card-nums span{display:flex;flex-direction:column}
.card-nums em{font-style:normal;font-family:"Saira Condensed",sans-serif;
  font-size:25px;font-weight:600;line-height:1.1}
.card-nums span{font-family:"IBM Plex Mono",monospace;font-size:9.5px;
  text-transform:uppercase;letter-spacing:.1em;color:var(--ink-soft)}
.card-beat{font-family:"IBM Plex Mono",monospace;font-size:10.5px;
  color:var(--ink-soft);border-top:1px solid var(--line-soft);padding-top:9px}
.card-beat.stale{color:var(--crit);font-weight:600}
details summary::-webkit-details-marker{color:var(--ok)}