:root{
  --bg:#0b1220; --panel:#131c2e; --panel-2:#0e1627; --line:#223049; --txt:#e6edf7; --muted:#8ba0c0;
  --accent:#38bdf8; --ok:#1fd67a; --warn:#f6c445; --bad:#ff5a6a; --off:#3a4a66;
  --pvc:#3987e5; --pp:#d95926; --pc:#199e70;
  --nav-w:210px; --top-h:58px;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--txt);font-family:system-ui,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:inherit}
.top{position:fixed;inset:0 0 auto 0;height:var(--top-h);display:flex;align-items:center;gap:16px;padding:0 18px;background:var(--panel);border-bottom:1px solid var(--line);z-index:20}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:650}
.brand img{width:30px;height:30px}
.brand small{display:block;font-weight:400;color:var(--muted);font-size:11px}
.demo{font-size:11px;font-weight:600;color:var(--warn);border:1px solid rgba(246,196,69,.45);border-radius:999px;padding:3px 10px;white-space:nowrap}
.top-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.alarm-pill{display:flex;align-items:center;gap:8px;text-decoration:none;font-size:13px;font-weight:600;padding:6px 12px;border-radius:999px;border:1px solid var(--line)}
.alarm-pill .dot{width:10px;height:10px;border-radius:50%;background:var(--ok)}
.alarm-pill.on{border-color:rgba(255,90,106,.6);color:var(--bad)}
.alarm-pill.on .dot{background:var(--bad);animation:beat 1s infinite}
.clock{font-variant-numeric:tabular-nums;color:var(--muted);font-size:13px}
@keyframes beat{0%,100%{opacity:1}50%{opacity:.35}}

.side{position:fixed;top:var(--top-h);left:0;bottom:0;width:var(--nav-w);padding:14px 10px;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;gap:4px;z-index:15}
.side a{display:block;padding:10px 12px;border-radius:8px;text-decoration:none;color:var(--muted);font-size:14px;font-weight:500}
.side a em{font-style:normal;font-size:10px;color:var(--warn);margin-left:4px}
.side a:hover{background:var(--panel-2);color:var(--txt)}
.side a.active{background:rgba(56,189,248,.12);color:var(--txt);box-shadow:inset 3px 0 0 var(--accent)}

main{margin:var(--top-h) 0 0 var(--nav-w);padding:22px;max-width:1400px}
main.full{padding:0;max-width:none}
h1.page{font-size:20px;margin:0 0 4px;font-weight:650}
p.lead{margin:0 0 18px;color:var(--muted);font-size:13px}
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.g2{grid-template-columns:repeat(auto-fit,minmax(420px,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 18px;min-width:0}
.card h2{margin:0 0 4px;font-size:15px;font-weight:600}
.card .hint{color:var(--muted);font-size:12px;margin:0 0 12px}
.stat .v{font-size:30px;font-weight:700;font-variant-numeric:tabular-nums}
.stat .l{color:var(--muted);font-size:12px;margin-top:2px}
.stat .s{font-size:12px;color:var(--muted);margin-top:6px}

.badge{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;border:1px solid var(--line);white-space:nowrap}
.badge::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor}
.badge.marcha{color:var(--ok)} .badge.parada{color:var(--muted)} .badge.alarma{color:var(--bad)}
.badge.alarma::before{animation:beat 1s infinite}

.tabs{display:flex;gap:8px;margin:0 0 16px;flex-wrap:wrap}
.tabs a{text-decoration:none;padding:7px 14px;border-radius:999px;border:1px solid var(--line);font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
.tabs a i{width:10px;height:10px;border-radius:50%}
.tabs a.active{color:var(--txt);border-color:var(--accent);background:rgba(56,189,248,.1)}

svg text{font-family:inherit}
.svgwrap{width:100%;overflow-x:auto}
.svgwrap svg{display:block;width:100%;height:auto;min-width:640px}
.machine-hit{cursor:pointer}
.machine-hit:hover rect.hl,.machine-hit:hover polygon.hl{stroke:var(--accent);stroke-width:2}

table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
th{color:var(--muted);font-weight:600;font-size:12px}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.tablewrap{overflow-x:auto}

.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px}
.tile{background:var(--panel-2);border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.tile .tv{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums}
.tile .tl{color:var(--muted);font-size:11px;margin-top:2px}

.switches{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px}
.sw{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:10px;background:var(--panel-2);border:1px solid var(--line);font-size:13px}
.sw-track{width:36px;height:19px;border-radius:999px;background:var(--off);position:relative;flex:none;transition:.15s}
.sw-track::after{content:"";position:absolute;top:2px;left:2px;width:15px;height:15px;border-radius:50%;background:#fff;transition:.15s}
.sw-track.on{background:var(--ok)} .sw-track.on::after{left:19px}
.leds{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:8px}
.led{display:flex;align-items:center;gap:8px;padding:7px 9px;border-radius:8px;background:var(--panel-2);border:1px solid var(--line);font-size:12px;font-variant-numeric:tabular-nums}
.bulb{width:12px;height:12px;border-radius:50%;background:var(--off);flex:none}
.bulb.on{background:var(--ok);box-shadow:0 0 10px 1px rgba(31,214,122,.6)}

.chart{position:relative}
.chart canvas{display:block;width:100%;height:120px;background:var(--panel-2);border-radius:10px;border:1px solid var(--line)}
.chart .cv{position:absolute;top:8px;right:12px;font-size:22px;font-weight:700;font-variant-numeric:tabular-nums}
.chart .ct{position:absolute;top:10px;left:12px;font-size:12px;color:var(--muted)}

.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin:0 0 8px}
.legend span{display:flex;align-items:center;gap:6px}
.legend i{width:10px;height:10px;border-radius:3px}

.events{display:flex;flex-direction:column;gap:6px;max-height:420px;overflow:auto}
.ev{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;background:var(--panel-2);border-left:4px solid var(--off);font-size:13px}
.ev.on{border-left-color:var(--ok)} .ev.alarm{border-left-color:var(--bad)} .ev.info{border-left-color:var(--accent)}
.ev .t{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums;width:64px;flex:none}
.ev .m{font-size:11px;color:var(--muted);margin-left:auto;white-space:nowrap}
.sev{font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;white-space:nowrap}
.sev.crítica{background:rgba(255,90,106,.15);color:var(--bad)}
.sev.advertencia{background:rgba(246,196,69,.15);color:var(--warn)}
button.btn{background:var(--panel-2);color:var(--txt);border:1px solid var(--line);border-radius:8px;padding:6px 12px;font:inherit;font-size:12px;cursor:pointer}
button.btn:hover{border-color:var(--accent)}
button.btn.primary{background:var(--accent);border-color:var(--accent);color:#04121f;font-weight:600}
select{background:var(--panel-2);color:var(--txt);border:1px solid var(--line);border-radius:8px;padding:6px 10px;font:inherit;font-size:13px}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px;align-items:center}

.meter{height:8px;border-radius:999px;background:var(--panel-2);border:1px solid var(--line);overflow:hidden;min-width:120px}
.meter b{display:block;height:100%;border-radius:999px;background:var(--accent)}
.meter b.warn{background:var(--warn)} .meter b.bad{background:var(--bad)}

.report{background:#fff;color:#14181f;border-radius:10px;padding:26px 30px;font-size:13px}
.report h3{margin:0 0 2px;font-size:18px} .report .rsub{color:#5b6475;margin:0 0 16px}
.report table th,.report table td{border-bottom:1px solid #e3e6ec;color:#14181f}
.report table th{color:#5b6475}
.report .rk{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:0 0 16px}
.report .rk div{border:1px solid #e3e6ec;border-radius:8px;padding:10px}
.report .rk b{display:block;font-size:20px}

#toasts{position:fixed;top:calc(var(--top-h) + 12px);right:16px;display:flex;flex-direction:column;gap:8px;z-index:50}
.toast{padding:11px 14px;border-radius:10px;background:#172338;border:1px solid var(--line);border-left:4px solid var(--bad);box-shadow:0 8px 24px rgba(0,0,0,.45);font-size:13px;font-weight:600;max-width:340px;animation:slidein .2s}
.toast.info{border-left-color:var(--ok)}
@keyframes slidein{from{transform:translateX(16px);opacity:0}to{transform:none;opacity:1}}
.tip{position:fixed;pointer-events:none;background:#0a1120;border:1px solid var(--line);border-radius:8px;padding:7px 10px;font-size:12px;z-index:60;box-shadow:0 6px 18px rgba(0,0,0,.5);white-space:nowrap}

/* Vista 3D */
.v3d{position:relative;height:calc(100vh - var(--top-h));overflow:hidden}
.v3d canvas{display:block}
.v3d .lbl{background:rgba(20,31,54,.92);border:1px solid var(--line);border-radius:8px;padding:4px 8px;font-size:12px;white-space:nowrap;transform:translate(-50%,-140%);pointer-events:none}
.v3d .lbl .v{font-variant-numeric:tabular-nums;font-weight:700;color:var(--ok)}
.v3d .lbl.hot .v{color:#ff6a3d} .v3d .lbl.alarm{border-color:var(--bad)} .v3d .lbl.alarm .v{color:var(--bad)}
.v3d .tag3{background:rgba(56,189,248,.14);border:1px solid rgba(56,189,248,.45);border-radius:6px;padding:2px 7px;font-size:11px;color:#bfe4fb;white-space:nowrap;transform:translate(-50%,-50%);pointer-events:none;font-weight:600}
.v3d .overlay{position:absolute;top:14px;left:16px;right:16px;display:flex;gap:12px;align-items:flex-start;flex-wrap:wrap;pointer-events:none}
.v3d .overlay > *{pointer-events:auto}
.v3d .kpi3{position:absolute;left:16px;bottom:16px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px;width:240px}
.v3d .kpi3 div{display:flex;justify-content:space-between;font-size:13px;padding:3px 0}
.v3d .kpi3 b{font-variant-numeric:tabular-nums}
.v3d .hint3{position:absolute;right:16px;bottom:16px;color:var(--muted);font-size:11px;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:6px 10px}


/* Planta: sección principal y planta animada */
.hero{display:grid;grid-template-columns:minmax(260px,320px) 1fr;gap:16px}
.kpis{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.oee .gauge{display:block;width:170px;margin:4px auto 10px}
.gauge circle.val{transition:stroke-dashoffset 1.2s cubic-bezier(.2,.7,.2,1)}
.oee-row{display:grid;grid-template-columns:100px 1fr 54px;gap:10px;align-items:center;font-size:12px;color:var(--muted);padding:4px 0}
.oee-row b{color:var(--txt);text-align:right;font-variant-numeric:tabular-nums}
.dots{display:flex;gap:6px;margin-top:12px}
.dots i{width:16px;height:16px;border-radius:4px}
.spark{display:block;width:100%;height:34px;margin-top:8px}
.card.alarm-on{border-color:rgba(255,90,106,.6);box-shadow:0 0 0 1px rgba(255,90,106,.25),0 0 24px rgba(255,90,106,.15)}
.plantrow{display:grid;grid-template-columns:1fr 320px;gap:16px;margin-top:16px}
.plantrow .events{max-height:520px}
.iso-line{transition:opacity .4s}
.iso-line.stopped{opacity:.45}
.zone{transition:fill .25s}
.flow{stroke-dasharray:6 9;animation:flow .9s linear infinite}
.flow.paused{animation:none;stroke:#3a4a66}
@keyframes flow{to{stroke-dashoffset:-15}}
.blink{animation:beat 1.2s infinite}
.rise{animation:rise .6s cubic-bezier(.2,.7,.2,1) both}
@keyframes rise{from{opacity:0;transform:translateY(12px)}}
.ev.new{animation:flash 1.4s}
@keyframes flash{from{background:rgba(56,189,248,.28)}}
@media (max-width:1100px){.plantrow{grid-template-columns:1fr}.plantrow .events{max-height:300px}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

@media (max-width:820px){
  :root{--nav-w:0px}
  .side{position:fixed;top:var(--top-h);bottom:auto;width:100%;height:46px;flex-direction:row;overflow-x:auto;padding:6px 10px;border-right:0;border-bottom:1px solid var(--line)}
  .side a{white-space:nowrap;padding:7px 10px;font-size:13px}
  main{margin-top:calc(var(--top-h) + 46px);padding:16px}
  .v3d{height:calc(100vh - var(--top-h) - 46px)}
  .demo,.clock{display:none}
  .g2{grid-template-columns:1fr}
  .report .rk{grid-template-columns:repeat(2,1fr)}
  .report{padding:18px 16px;overflow-x:auto}
  .hero{grid-template-columns:1fr}
  .kpis{gap:10px}
  .kpis .stat{padding:12px 14px}
  .kpis .stat .v{font-size:22px}
  .kpis .stat .s{display:none}
}
@media print{
  .top,.side,#toasts,.no-print{display:none!important}
  main{margin:0;padding:0}
  body{background:#fff}
}