:root{
  --bg:#F2F3F5;--card:#fff;--ink:#0B1622;--soft:#33404F;--mute:#6A7480;--line:#E1E4E9;--line2:#CDD2D9;
  --navy:#0B1622;--navy2:#13263A;--amber:#F5B301;--amber2:#DFA200;--amberbg:#FFF6DA;
  --ok:#1F7A4D;--okbg:#E6F4EC;--bad:#C7362B;--badbg:#FCEBEA;--blue:#1D5FA8;
  --r:16px;--nav:64px;--side:220px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,sans-serif;font-size:15px;line-height:1.5}
h1,h2,h3,h4{font-family:"Barlow Condensed",Inter,sans-serif;letter-spacing:.005em;line-height:1.1;margin:0;font-weight:800}
h1{font-size:34px}h2{font-size:28px}h3{font-size:21px}
a{color:var(--blue)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
.offline{display:none;background:var(--amberbg);color:#7A5600;text-align:center;font-size:13px;padding:6px}
body.is-off .offline{display:block}

.top{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:12px;height:58px;padding:0 18px;background:var(--navy);color:#EEF1F5}
.brand{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none;font-family:"Barlow Condensed",sans-serif;font-size:22px;font-weight:700;letter-spacing:.02em;text-transform:uppercase}
.brand b{color:var(--amber)}
.logo{width:34px;height:34px;border-radius:8px;background:var(--amber);color:var(--navy);display:grid;place-items:center;font-weight:800;font-size:17px;letter-spacing:0}
.cuerpo{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#9FB0C2;border:1px solid #2A3E54;border-radius:99px;padding:3px 10px}
.sp{flex:1}
.pill{border:1px solid #2A3E54;background:transparent;color:#C9D3DE;border-radius:99px;padding:6px 14px;font-size:13px;font-weight:600}
.pill.ok{background:var(--amber);color:var(--navy);border-color:var(--amber)}

.shell{display:flex;min-height:calc(100vh - 58px)}
.side{width:var(--side);flex:none;padding:16px 10px;border-right:1px solid var(--line);background:#fff;position:sticky;top:58px;height:calc(100vh - 58px);overflow:auto}
.side button{display:flex;align-items:center;gap:10px;width:100%;border:0;background:none;padding:10px 12px;border-radius:12px;font-weight:600;color:var(--soft);text-align:left}
.side button i{font-style:normal;width:22px;text-align:center}
.side button:hover{background:var(--bg)}
.side button.on{background:var(--navy);color:#fff}
main{flex:1;min-width:0;padding:26px 30px 120px;max-width:1100px}
.view{display:none}.view.on{display:block;animation:fade .2s}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1}}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;margin:0 0 16px}
.card h3{margin-bottom:8px}
.sec-h{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 14px;flex-wrap:wrap}
.muted{color:var(--mute)}.small{font-size:13px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line2);background:#fff;border-radius:12px;padding:10px 16px;font-weight:700;text-decoration:none;color:var(--ink)}
.btn:hover{border-color:var(--ink)}
.btn.primary{background:var(--amber);border-color:var(--amber);color:var(--navy)}
.btn.primary:hover{background:var(--amber2)}
.btn.dark{background:var(--navy);border-color:var(--navy);color:#fff}
.btn.small{padding:6px 11px;font-size:13px;border-radius:10px}
.btn[disabled]{opacity:.45;pointer-events:none}
.inp{width:100%;border:1px solid var(--line2);border-radius:12px;padding:10px 12px;background:#fff;outline:none}
.inp:focus{border-color:var(--navy)}
label.f{display:block}label.f span{display:block;font-size:13px;font-weight:600;color:var(--soft);margin-bottom:5px}
.tag{display:inline-block;font-size:12px;font-weight:700;padding:3px 9px;border-radius:99px;background:var(--bg);color:var(--soft)}
.tag.ok{background:var(--okbg);color:var(--ok)}.tag.bad{background:var(--badbg);color:var(--bad)}.tag.warn{background:var(--amberbg);color:#7A5600}
.empty{color:var(--mute);text-align:center;padding:26px}

/* inicio */
.hero{background:var(--navy);color:#EEF1F5;border-radius:22px;padding:26px 28px;margin-bottom:18px;position:relative;overflow:hidden}
.hero h1{font-size:38px;text-transform:uppercase}
.hero h1 em{font-style:normal;color:var(--amber)}
.hero p{color:#B9C6D4;max-width:620px}
.hero:after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border:28px solid rgba(245,179,1,.12);border-radius:50%}
.kpi{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 16px}
.kpi b{display:block;font-family:"Barlow Condensed",sans-serif;font-size:34px;line-height:1}
.kpi span{font-size:12.5px;color:var(--mute);font-weight:600}
.cuenta{font-family:"Barlow Condensed",sans-serif;font-size:56px;font-weight:800;line-height:1;color:var(--amber)}
.bar{height:9px;border-radius:99px;background:var(--line);overflow:hidden}
.bar i{display:block;height:100%;background:var(--amber);border-radius:99px}
.bar.ok i{background:var(--ok)}
.quick{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.quick button{border:1px solid var(--line);background:#fff;border-radius:16px;padding:16px 14px;text-align:left;display:flex;flex-direction:column;gap:6px}
.quick button:hover{border-color:var(--navy)}
.quick i{font-style:normal;font-size:24px}
.quick b{font-size:15px}

/* temario */
.bloque{margin:18px 0 8px;font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--mute)}
.tema{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin-bottom:8px}
.tema .n{width:34px;height:34px;flex:none;border-radius:10px;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:800;font-family:"Barlow Condensed",sans-serif;font-size:18px}
.tema .t{flex:1;min-width:0}
.tema .t b{display:block;font-size:14.5px;line-height:1.3}
.tema .bar{margin-top:6px;max-width:260px}
.tema.lock{opacity:.6}

/* test */
.qhead{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.qhead .bar{flex:1}
.timer{font-family:"Barlow Condensed",sans-serif;font-size:26px;font-weight:800;min-width:76px;text-align:right}
.timer.low{color:var(--bad)}
.q{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}
.q .meta{font-size:12.5px;color:var(--mute);font-weight:600;margin-bottom:6px}
.q .enun{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:14px}
.q .dest{font-family:"Barlow Condensed",sans-serif;font-size:30px;font-weight:700;letter-spacing:.04em;text-align:center;padding:14px;background:var(--bg);border-radius:12px;margin-bottom:14px;word-break:break-word}
.q .dest.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:24px;letter-spacing:.12em}
.figs{display:flex;gap:8px;justify-content:center;align-items:center;flex-wrap:wrap;padding:12px;background:var(--bg);border-radius:12px;margin-bottom:14px}
.fig{color:var(--navy);background:#fff;border-radius:10px;border:1px solid var(--line)}
.fig.q{width:72px;height:72px;display:grid;place-items:center;font-size:32px;font-weight:800;color:var(--amber2)}
table.cmp{width:100%;border-collapse:collapse;margin-bottom:14px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:15px}
table.cmp td{border:1px solid var(--line);padding:8px 10px}
.ops{display:grid;gap:9px}
.ops.figs4{grid-template-columns:repeat(4,1fr)}
.op{display:flex;align-items:flex-start;gap:12px;border:1.5px solid var(--line2);background:#fff;border-radius:14px;padding:12px 14px;text-align:left;font-size:15.5px;line-height:1.4}
.op .l{width:28px;height:28px;flex:none;border-radius:8px;background:var(--bg);display:grid;place-items:center;font-weight:800;font-size:14px}
.op:hover{border-color:var(--navy)}
.op.sel{border-color:var(--navy);background:#F5F8FC}.op.sel .l{background:var(--navy);color:#fff}
.op.ok{border-color:var(--ok);background:var(--okbg)}.op.ok .l{background:var(--ok);color:#fff}
.op.bad{border-color:var(--bad);background:var(--badbg)}.op.bad .l{background:var(--bad);color:#fff}
.ops.figs4 .op{justify-content:center;flex-direction:column;align-items:center}
.exp{margin-top:14px;padding:12px 14px;border-radius:12px;background:var(--amberbg);font-size:14.5px}
.exp .src{display:block;margin-top:6px;font-size:12.5px;color:#7A5600;font-weight:600}
.qnav{display:flex;gap:10px;justify-content:space-between;margin-top:14px;flex-wrap:wrap}
.dots{display:flex;flex-wrap:wrap;gap:5px;margin-top:14px}
.dots button{width:30px;height:30px;border-radius:8px;border:1px solid var(--line2);background:#fff;font-size:12px;font-weight:700}
.dots button.a{background:var(--navy);color:#fff;border-color:var(--navy)}
.dots button.cur{outline:2px solid var(--amber);outline-offset:1px}
.dots button.ok{background:var(--okbg);border-color:var(--ok);color:var(--ok)}.dots button.bad{background:var(--badbg);border-color:var(--bad);color:var(--bad)}
.res{text-align:center;padding:26px}
.res .nota{font-family:"Barlow Condensed",sans-serif;font-size:76px;font-weight:800;line-height:1}
.res .nota.ok{color:var(--ok)}.res .nota.bad{color:var(--bad)}
.marcar{border:0;background:none;color:var(--mute);font-size:13px;font-weight:600}
.marcar.on{color:#B07D00}

/* físico */
table.t{width:100%;border-collapse:collapse;font-size:14px}
table.t th,table.t td{border-bottom:1px solid var(--line);padding:9px 8px;text-align:left;vertical-align:top}
table.t th{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--mute)}
.scrollx{overflow-x:auto}

/* modal & toast */
.modal-bg{position:fixed;inset:0;background:rgba(11,22,34,.5);z-index:90;display:none}
.modal{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);z-index:91;background:#fff;border-radius:20px;padding:22px;width:min(560px,calc(100vw - 32px));max-height:86vh;overflow:auto;display:none}
body.modal-on .modal,body.modal-on .modal-bg{display:block}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);opacity:0;background:var(--navy);color:#fff;padding:11px 18px;border-radius:99px;font-size:14px;font-weight:600;z-index:95;transition:.25s;pointer-events:none;max-width:92vw;text-align:center}
.toast.on{opacity:1;transform:translateX(-50%)}

/* chat Vega */
.chat-ava{width:34px;height:34px;flex:none;border-radius:50%;background:var(--amber);color:var(--navy);display:grid;place-items:center;font-family:"Barlow Condensed",sans-serif;font-weight:800;font-size:19px}
.chat-ava.big{width:64px;height:64px;font-size:34px;margin:0 auto 12px}
.chat-fab{position:fixed;right:20px;bottom:20px;z-index:60;display:flex;align-items:center;gap:10px;background:var(--navy);color:#fff;border:0;border-radius:99px;padding:8px 18px 8px 8px;font-weight:700;box-shadow:0 10px 30px rgba(11,22,34,.3)}
.chat-fab .lockic{display:none;font-size:13px}.chat-fab.lock .lockic{display:inline}
body.chat-on .chat-fab{display:none}
body.testing .chat-fab{display:none}
.chat{position:fixed;right:20px;bottom:20px;z-index:70;width:400px;max-width:calc(100vw - 32px);height:min(620px,calc(100vh - 110px));background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 20px 60px rgba(11,22,34,.3);display:none;flex-direction:column;overflow:hidden}
body.chat-on .chat{display:flex}
.chat-h{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--navy);color:#fff}
.ghostbtn{background:none;border:0;color:inherit;font-size:16px;padding:6px 8px;border-radius:8px;opacity:.8}
.ghostbtn:hover{opacity:1;background:rgba(255,255,255,.08)}
.chat-body{flex:1;overflow-y:auto;padding:14px;background:var(--bg);display:flex;flex-direction:column;gap:10px}
.msg{display:flex;gap:8px;align-items:flex-end}.msg.yo{justify-content:flex-end}
.bub{padding:10px 13px;border-radius:16px;max-width:85%;font-size:14.5px;line-height:1.5;overflow-wrap:anywhere}
.msg.ai .bub{background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}
.msg.yo .bub{background:var(--navy);color:#fff;border-bottom-right-radius:4px}
.bub p{margin:0 0 7px}.bub p:last-child{margin:0}.bub ul,.bub ol{margin:4px 0 8px;padding-left:20px}
.typing{display:flex;gap:4px;padding:14px}
.typing span{width:7px;height:7px;border-radius:50%;background:var(--mute);animation:blink 1.2s infinite}
.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}
.chat-sug{display:flex;flex-wrap:wrap;gap:6px}
.chat-sug button{border:1px solid var(--line2);background:#fff;border-radius:99px;padding:7px 12px;font-size:13px;text-align:left}
.chat-sug button:hover{border-color:var(--navy);background:var(--amberbg)}
.chat-foot{display:flex;gap:8px;align-items:flex-end;padding:10px;border-top:1px solid var(--line);background:#fff}
.chat-foot[hidden]{display:none}
.chat-foot textarea{flex:1;resize:none;border:1px solid var(--line2);border-radius:14px;padding:10px 12px;min-height:42px;max-height:140px;font-size:15px;outline:none}
.chat-foot .btn{height:42px;padding:0 16px}
.chat-lock{text-align:center;padding:24px 10px;margin:auto 0}.chat-lock p{color:var(--soft)}

.tabs{display:none}
@media (max-width:900px){
  .side{display:none}
  main{padding:18px 16px calc(var(--nav) + 90px)}
  .grid2,.grid3{grid-template-columns:1fr}
  .grid4,.quick{grid-template-columns:1fr 1fr}
  .hero{padding:20px}.hero h1{font-size:30px}
  .cuerpo{display:none}
  .tabs{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:40;background:#fff;border-top:1px solid var(--line);height:calc(var(--nav) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom)}
  .tabs button{border:0;background:none;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:11px;font-weight:600;color:var(--mute)}
  .tabs button i{font-style:normal;font-size:19px}
  .tabs button.on{color:var(--navy)}
  .q{padding:16px}.q .enun{font-size:16.5px}
  .ops.figs4{grid-template-columns:1fr 1fr}
  .chat-fab{bottom:calc(var(--nav) + env(safe-area-inset-bottom) + 12px);right:12px;padding:6px}.chat-fab .lbl{display:none}
  .chat{inset:0;width:auto;max-width:none;height:auto;border-radius:0;border:0}
  .chat-foot{padding-bottom:calc(10px + env(safe-area-inset-bottom))}
  body.testing .tabs{display:none}
  body.testing main{padding-bottom:40px}
}
@media print{.top,.side,.tabs,.chat,.chat-fab{display:none!important}}

.frase{font-size:17px;line-height:2.1;margin:0 0 12px}
.wrd{border:0;border-bottom:2px solid var(--navy);background:#EEF2F7;border-radius:6px;padding:1px 6px;font-size:17px;font-weight:600;margin:0 2px}
.wrd.sel{background:var(--navy);color:#fff}
.wrd.ok{background:var(--okbg);color:var(--ok);border-color:var(--ok)}
.wrd.bad{background:var(--badbg);color:var(--bad);border-color:var(--bad)}
.corr{font-size:13px;color:var(--ok);font-weight:700;margin-right:4px}
.gfr{display:flex;gap:12px;align-items:flex-start;padding:10px;border:1px solid var(--line);border-radius:12px;margin-bottom:8px;font-size:15.5px}
.gfr .chk{width:30px;height:30px;flex:none;border:2px solid var(--line2);border-radius:8px;background:#fff;font-weight:800;color:var(--bad)}
.gfr.sel .chk{border-color:var(--navy);background:var(--navy);color:#fff}
.gfr.ok{background:var(--okbg);border-color:var(--ok)}.gfr.bad{background:var(--badbg);border-color:var(--bad)}
.brand span:last-child{white-space:nowrap}
.pill{white-space:nowrap}
@media (max-width:900px){.top{padding:0 12px;gap:8px}.brand{font-size:19px}.logo{width:30px;height:30px;font-size:15px}.pill{max-width:42vw;overflow:hidden;text-overflow:ellipsis;padding:6px 10px;font-size:12px}}