:root{--bg:#0a0a0c;--p:#131317;--p2:#1c1c23;--l:#2a2a33;--t:#ececf1;--m:#9a9aa8;--r:#ff2a2a;--r2:#b30f0f;--ok:#2ee59d;--y:#ffc233;--b:#4da3ff;
--glow:0 0 18px rgba(255,42,42,.35);--mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;--sans:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
:root[data-theme=light]{--bg:#f3f3f6;--p:#fff;--p2:#f4f4f8;--l:#dcdce4;--t:#16161c;--m:#5c5c6b;--r:#d4141a;--r2:#a00d12;--glow:none}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--t);font-family:var(--sans);font-size:16px}
body{min-height:100dvh;padding-bottom:calc(78px + env(safe-area-inset-bottom))}
body.nonav{padding-bottom:0}body.nonav nav{display:none}
header{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;padding:calc(10px + env(safe-area-inset-top)) 16px 10px;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--l)}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-weight:800;letter-spacing:.12em}
.logo small{display:block;font-size:10px;color:var(--m);letter-spacing:.2em;font-weight:500}
.eye{width:30px;height:30px;border-radius:50%;flex:none;background:radial-gradient(circle,#fff 0 8%,var(--r) 22%,var(--r2) 55%,#200 75%);box-shadow:0 0 16px rgba(255,42,42,.5);animation:pulse 2.4s infinite}
@keyframes pulse{50%{box-shadow:0 0 28px rgba(255,42,42,.8)}}
.sp{flex:1}
.ib{border:1px solid var(--l);background:var(--p);color:var(--t);border-radius:10px;height:38px;min-width:38px;padding:0 10px;font-size:15px;cursor:pointer}
main{max-width:1180px;margin:0 auto;padding:16px}
nav{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;justify-content:space-around;padding:6px 4px calc(6px + env(safe-area-inset-bottom));background:color-mix(in srgb,var(--p) 94%,transparent);backdrop-filter:blur(12px);border-top:1px solid var(--l)}
nav button{flex:1;max-width:110px;background:none;border:0;color:var(--m);display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;padding:6px 2px;border-radius:10px;cursor:pointer;font-family:inherit}
nav button b{font-size:21px;line-height:1}nav button.on{color:var(--r)}
@media(min-width:900px){body{padding-bottom:0;padding-left:100px}body.nonav{padding-left:0}
 nav{top:0;right:auto;width:100px;flex-direction:column;justify-content:flex-start;padding-top:86px;border-top:0;border-right:1px solid var(--l)}
 nav button{max-width:none;flex:0;padding:12px 2px}header{margin-left:-100px;padding-left:116px}body.nonav header{margin-left:0;padding-left:16px}}
h1{font-size:clamp(22px,4vw,32px);margin:6px 0 4px}h3{margin:4px 0}
h2{font-size:15px;margin:24px 0 10px;font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--r)}
.sub,.m{color:var(--m)}.m{font-size:14px}.sub{margin:0 0 14px}
.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.card{background:var(--p);border:1px solid var(--l);border-radius:18px;padding:16px;margin-bottom:12px;position:relative}
.grid .card{margin:0}
.card.hot{cursor:pointer;transition:transform .15s,border-color .15s}.card.hot:hover{transform:translateY(-2px);border-color:var(--r)}
.heroc{background:linear-gradient(135deg,color-mix(in srgb,var(--r) 18%,var(--p)),var(--p))}
.k{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--r);text-transform:uppercase}
.big{font-size:30px;font-weight:800;font-family:var(--mono)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:14px;padding:13px 18px;font-size:16px;font-weight:800;color:#fff;background:var(--r);box-shadow:var(--glow);cursor:pointer;font-family:inherit;text-decoration:none}
.btn.w{width:100%}.btn.g{background:var(--p2);border:1px solid var(--l);box-shadow:none;color:var(--t)}.btn.s{padding:8px 12px;font-size:14px;border-radius:10px}
.btn:disabled{opacity:.5}
input,select,textarea{background:var(--p2);border:1px solid var(--l);color:var(--t);border-radius:12px;padding:12px;font-size:16px;width:100%;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid var(--r);border-color:transparent}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.row>*{flex:1;min-width:120px}.row>.btn,.row>.fx{flex:none;min-width:0}
.bar{height:12px;border-radius:99px;background:var(--p2);overflow:hidden;border:1px solid var(--l)}.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--r2),var(--r));transition:width .4s}
.pill{display:inline-block;padding:3px 10px;border-radius:99px;font-size:12px;font-weight:700;background:var(--p2);border:1px solid var(--l)}
.pill.ok{background:rgba(46,229,157,.15);color:var(--ok);border-color:transparent}.pill.w{background:rgba(255,194,51,.15);color:var(--y);border-color:transparent}.pill.r{background:rgba(255,42,42,.15);color:var(--r);border-color:transparent}
.ar{display:inline-block;font-family:var(--mono);font-size:11px;font-weight:700;padding:2px 8px;border-radius:6px;color:#fff}
.ar-E{background:#e0a800}.ar-R{background:#e5332a}.ar-3D{background:#1e9e6a}.ar-IA{background:#7b5cff}.ar-INT{background:#2d7fd3}
.tabs{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
.tabs button{flex:none;border:1px solid var(--l);background:var(--p);color:var(--t);border-radius:99px;padding:9px 14px;font-weight:700;cursor:pointer;font-size:14px;font-family:inherit}
.tabs button.on{background:var(--r);border-color:var(--r);color:#fff}
.lst{display:flex;align-items:center;gap:12px;padding:12px;border-radius:14px;background:var(--p);border:1px solid var(--l);margin-bottom:8px}
.lst .ic{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:21px;background:var(--p2);flex:none}
.lst.done{opacity:.6}.lst.now{border-color:var(--r);box-shadow:var(--glow)}
.av{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--p2);border:2px solid var(--r);font-size:20px;flex:none}
.bdg{display:flex;gap:8px;flex-wrap:wrap}.bdg span{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;font-size:27px;background:var(--p2);border:1px solid var(--l)}
.bdg span.off{filter:grayscale(1);opacity:.25}
.roles{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.role{background:var(--p);border:2px solid var(--l);border-radius:20px;padding:20px 10px;text-align:center;font-weight:800;font-size:17px;cursor:pointer;color:var(--t);font-family:inherit}
.role b{display:block;font-size:44px;margin-bottom:8px}.role:hover{border-color:var(--r)}
.pick{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:10px}
.pick button{background:var(--p);border:2px solid var(--l);border-radius:18px;padding:14px 6px;color:var(--t);cursor:pointer;font-family:inherit;font-weight:700;font-size:14px}
.pick button b{display:block;font-size:38px}.pick button.on{border-color:var(--r);box-shadow:var(--glow)}
.sec{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:330px;margin:0 auto}
.sec button{font-size:42px;aspect-ratio:1;border-radius:20px;border:2px solid var(--l);background:var(--p);cursor:pointer}
.sec button.on{border-color:var(--r);box-shadow:var(--glow)}
.login{max-width:520px;margin:0 auto}
table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--l);vertical-align:top}
th{font-family:var(--mono);font-size:11px;color:var(--m);letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}
td.n{text-align:right;font-family:var(--mono);white-space:nowrap}.tw{overflow-x:auto}
td input{padding:6px;width:62px;text-align:center}
.paso{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--l)}.paso:last-child{border:0}
.paso .min{flex:none;width:52px;height:52px;border-radius:14px;background:var(--p2);display:grid;place-items:center;font-family:var(--mono);font-weight:800;color:var(--r);font-size:13px}
.simc{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.simc .card{margin:0;cursor:pointer;overflow:hidden;padding:0}.simc .card .ph{height:120px;display:grid;place-items:center;font-size:56px;background:radial-gradient(circle at 50% 120%,color-mix(in srgb,var(--r) 35%,transparent),var(--p2))}
.simc .card .tx{padding:14px}
#simw{position:fixed;inset:0;z-index:90;background:#000;display:none;flex-direction:column}#simw.on{display:flex}
#simw .bar2{display:flex;align-items:center;gap:10px;padding:calc(8px + env(safe-area-inset-top)) 12px 8px;background:#111;color:#fff}
#simw iframe{flex:1;border:0;width:100%}
#clase{position:fixed;inset:0;z-index:100;background:#050506;color:#fff;display:none;flex-direction:column;overflow:auto;padding:24px}
#clase.on{display:flex}#clase .timer{font-family:var(--mono);font-size:clamp(48px,10vw,120px);font-weight:800;color:#ff2a2a;text-shadow:0 0 30px rgba(255,42,42,.6)}
#clase h1{font-size:clamp(26px,5vw,56px)}#clase .ps{font-size:clamp(18px,2.4vw,28px);max-width:1000px}
#toast{position:fixed;left:50%;bottom:100px;transform:translateX(-50%) translateY(20px);background:var(--r);color:#fff;padding:11px 20px;border-radius:99px;font-weight:700;opacity:0;transition:.25s;z-index:300;pointer-events:none;max-width:90vw;text-align:center}
#toast.on{opacity:1;transform:translateX(-50%)}
.modal{position:fixed;inset:0;z-index:200;background:rgba(0,0,0,.6);display:grid;place-items:center;padding:16px}
.modal>div{background:var(--p);border:1px solid var(--l);border-radius:20px;padding:20px;max-width:520px;width:100%;max-height:90vh;overflow:auto}
.cred{border:2px dashed var(--r);border-radius:16px;padding:16px;text-align:center;margin:10px 0;break-inside:avoid}
.cred .s{font-size:44px;letter-spacing:10px}
.face{font-size:64px;line-height:1}
.evg{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
.evg .card{padding:8px;margin:0}.evg img,.evg video{width:100%;height:120px;object-fit:cover;border-radius:12px;background:#000;display:block}
@media print{header,nav,.noprint{display:none!important}body{background:#fff;color:#000;padding:0}.card{border:0}.cred{border-color:#000}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.robo{display:block;margin:0 auto 10px;width:150px;height:auto;filter:drop-shadow(0 0 22px rgba(255,42,42,.45));animation:flota 4s ease-in-out infinite}
@keyframes flota{50%{transform:translateY(-8px)}}
.robo-mini{width:32px;height:auto;flex:none;filter:drop-shadow(0 0 8px rgba(255,42,42,.5))}
[hidden]{display:none!important}
.row>.ar,.row>.pill{flex:none;min-width:0}

/* lector integrado de documentos */
#lector{position:fixed;inset:0;z-index:150;background:var(--bg);display:none;flex-direction:column}#lector.on{display:flex}
#lector .lbar{display:flex;align-items:center;gap:8px;padding:calc(8px + env(safe-area-inset-top)) 10px 8px;border-bottom:1px solid var(--l);background:var(--p);overflow-x:auto;scrollbar-width:none}
#lector .lt{flex:1;min-width:120px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#lector .lcuerpo{flex:1;display:flex;min-height:0}
#lside{width:320px;flex:none;border-right:1px solid var(--l);overflow:auto;padding:10px;background:var(--p)}
#lmain{flex:1;overflow:auto;background:#3a3d44;display:flex;justify-content:center}
#lmain canvas{box-shadow:0 6px 30px rgba(0,0,0,.5);background:#fff;border-radius:4px}
.lti{padding:7px 8px;border-radius:8px;cursor:pointer;font-size:13px;display:block}.lti span{float:right;color:var(--m);font-family:var(--mono);font-size:11px}
.lti:hover{background:var(--p2)}.lti.on{background:color-mix(in srgb,var(--r) 22%,transparent);color:var(--t)}
.lti.n0{font-weight:800;color:var(--r);margin-top:8px;text-transform:uppercase;font-size:12px;letter-spacing:.04em}.lti.n1{font-weight:700}.lti.n2{padding-left:20px;color:var(--m)}
mark{background:#ffd54a;color:#000;border-radius:3px;padding:0 2px}
@media(max-width:900px){#lside{display:none;position:absolute;inset:auto 0 0 0;top:54px;width:auto;z-index:2}#lector.conindice #lside{display:block}}
@media(min-width:901px){#lector:not(.conindice) #lside{display:block}#lector.conindice #lside{display:none}}
/* protección del contenido: marca de agua con el nombre de quien mira, sin selección ni impresión */
#marca{position:fixed;inset:-50%;z-index:500;pointer-events:none;display:flex;flex-wrap:wrap;gap:60px 90px;transform:rotate(-24deg);opacity:.07;align-content:flex-start;overflow:hidden}
#marca span{font:700 15px var(--mono);color:var(--t);white-space:nowrap}
#escudo{position:fixed;inset:0;z-index:600;background:#000;display:none;place-items:center;text-align:center;color:#fff}#escudo.on{display:grid}
body{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
input,textarea,[contenteditable]{-webkit-user-select:text;user-select:text}
img,canvas{-webkit-user-drag:none}
@media print{body>*{display:none!important}body::after{content:"🔒 La impresión del contenido de T-800 Aula no está permitida";display:block;padding:40px;font:700 20px sans-serif;color:#000}}

/* entrenamiento cognitivo */
.flash{position:fixed;inset:0;z-index:120;display:grid;place-items:center;align-content:center;font:900 90px system-ui;pointer-events:none;animation:fl .3s}
.flash.ok{color:var(--ok);background:rgba(46,229,157,.08)}.flash.mal{color:var(--r);background:rgba(255,42,42,.1);text-align:center}
@keyframes fl{from{transform:scale(.6);opacity:0}}
.grilla-cog{display:grid;gap:8px}.grilla-cog .btn{justify-content:center}
/* cinta del modo DEMO */
#demo-cinta{position:sticky;top:0;z-index:30;background:linear-gradient(90deg,#b8860b,#e0a800);color:#111;text-align:center;font-size:13px;padding:7px 12px;line-height:1.9}
#demo-cinta a{color:#111;font-weight:700}
#demo-cinta .btn{padding:2px 10px;font-size:12px;color:#111;background:rgba(255,255,255,.35);border:1px solid #111}