:root{
  --yellow:#FFE700; --yellow-d:#E5CF00; --dark:#1C252D; --cream:#FAFAF5; --white:#fff;
  --dark70:#5A636B; --dark50:#8A9097; --line:rgba(255,255,255,0.12); --line-2:rgba(255,255,255,0.18);
  --surface:rgba(255,255,255,0.05); --surface-2:rgba(255,255,255,0.08); --tint:rgba(255,231,0,0.08);
  --good:#3BB273; --bad:#E5484D;
  --shadow:0 18px 50px -28px rgba(0,0,0,0.65); --shadow-lg:0 30px 80px -40px rgba(0,0,0,0.75);
  --font:"Montserrat",system-ui,-apple-system,"Segoe UI",sans-serif;
  --maxw:1120px; --rail:380px;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent;}
html,body{height:100%;}
body{
  font-family:var(--font);color:var(--cream);font-weight:500;line-height:1.5;letter-spacing:-0.003em;-webkit-font-smoothing:antialiased;min-height:100%;
  background:
    radial-gradient(130% 80% at 50% -15%, rgba(255,231,0,0.06), transparent 55%),
    radial-gradient(90% 60% at 100% 0%, rgba(255,231,0,0.03), transparent 50%),
    var(--dark);
  background-attachment:fixed;
}
::selection{background:var(--yellow);color:var(--dark);}

.wrap{max-width:560px;margin:0 auto;padding:24px 22px 40px;min-height:100vh;display:flex;flex-direction:column;}
.host-wrap{max-width:var(--maxw);}

/* ---------- Marca / co-brand Falabella × KAMAI ---------- */
.brand{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px;}
.cobrand{display:inline-flex;align-items:center;gap:13px;text-decoration:none;line-height:1;}
.cb-saga{font-size:19px;font-weight:800;letter-spacing:-0.035em;color:var(--cream);text-transform:lowercase;display:inline-flex;align-items:baseline;gap:.16em;white-space:nowrap;}
.cb-saga b{font-weight:400;opacity:.82;letter-spacing:-0.02em;}
.cb-x{color:var(--dark50);font-weight:700;font-size:15px;flex:0 0 auto;}
.cb-kamai{height:21px;width:auto;display:block;}
/* legacy text logo (por si queda en algún render) */
.brand .logo{font-weight:900;font-size:18px;letter-spacing:-0.01em;}
.brand .logo b{color:var(--yellow);}
.brand .logo .x{color:var(--dark50);font-weight:700;margin:0 4px;}

.tag{display:inline-flex;align-items:center;gap:7px;background:var(--yellow);color:var(--dark);font-size:11px;font-weight:800;letter-spacing:0.1em;text-transform:uppercase;padding:6px 12px;border-radius:999px;flex:0 0 auto;}
.tag .dot{width:7px;height:7px;}
.tag.live .dot{background:var(--dark);animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.3;}}

h1{font-size:27px;font-weight:800;letter-spacing:-0.025em;line-height:1.14;text-wrap:balance;}
h2{font-size:20px;font-weight:700;letter-spacing:-0.015em;line-height:1.22;text-wrap:balance;}
.muted{color:var(--dark50);}
.hl{background:var(--yellow);color:var(--dark);padding:0 .16em;border-radius:4px;box-decoration-break:clone;-webkit-box-decoration-break:clone;}

.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;}
.field{width:100%;font-family:inherit;font-size:18px;font-weight:600;color:var(--dark);background:var(--cream);border:2px solid transparent;border-radius:12px;padding:15px 18px;margin-top:14px;transition:border-color .15s,box-shadow .15s;}
.field::placeholder{color:#9aa0a6;}
.field:focus{outline:none;border-color:var(--yellow);box-shadow:0 0 0 4px rgba(255,231,0,0.18);}

.btn{width:100%;font-family:inherit;font-size:16px;font-weight:700;color:var(--dark);background:var(--yellow);border:none;border-radius:12px;padding:15px 20px;cursor:pointer;margin-top:14px;letter-spacing:-0.01em;transition:transform .1s,filter .15s,box-shadow .15s,opacity .15s,background .15s;}
.btn:hover{filter:brightness(1.06);box-shadow:0 10px 26px -12px rgba(255,231,0,0.6);transform:translateY(-1px);}
.btn:active{transform:translateY(1px);filter:brightness(.97);}
.btn:focus-visible{outline:3px solid rgba(255,231,0,0.5);outline-offset:3px;}
.btn:disabled{opacity:.45;cursor:default;filter:none;box-shadow:none;transform:none;}
.btn.ghost{background:transparent;color:var(--cream);border:1px solid var(--line-2);}
.btn.ghost:hover{background:var(--surface-2);border-color:var(--cream);box-shadow:none;}

/* Registro: chips de área */
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px;}
.chip{font-family:inherit;font-size:14px;font-weight:600;color:var(--cream);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:9px 16px;cursor:pointer;transition:all .14s;}
.chip:hover{border-color:var(--cream);background:var(--surface-2);}
.chip.sel{background:var(--yellow);color:var(--dark);border-color:var(--yellow);box-shadow:0 6px 18px -10px rgba(255,231,0,0.7);}

/* Opciones de respuesta (jugador) */
.opts{display:flex;flex-direction:column;gap:13px;margin-top:8px;}
.opt{display:flex;align-items:center;gap:14px;border:none;border-radius:14px;padding:18px 18px;font-family:inherit;font-size:16px;font-weight:600;text-align:left;cursor:pointer;line-height:1.3;transition:transform .1s,opacity .2s,box-shadow .15s,outline-color .15s;}
.opt:hover{transform:translateY(-2px);box-shadow:0 16px 34px -20px rgba(0,0,0,0.7);}
.opt:active{transform:scale(0.99);}
.opt .ltr{flex:0 0 auto;width:40px;height:40px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:20px;}
.opt.a{background:var(--dark);color:#fff;border:1.5px solid var(--line-2);}
.opt.a .ltr{background:var(--yellow);color:var(--dark);}
.opt.b{background:var(--yellow);color:var(--dark);}
.opt.b .ltr{background:var(--dark);color:var(--yellow);}
.opt.c{background:var(--cream);color:var(--dark);}
.opt.c .ltr{background:var(--dark);color:var(--yellow);}
.opts.locked .opt{opacity:.38;pointer-events:none;transform:none;box-shadow:none;}
.opts.locked .opt.chosen{opacity:1;outline:3px solid var(--yellow);outline-offset:2px;box-shadow:0 18px 38px -20px rgba(255,231,0,0.5);}

.center{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px;max-width:620px;margin:0 auto;width:100%;}
.big{font-size:48px;font-weight:800;line-height:1.02;letter-spacing:-0.03em;}
.pill{display:inline-flex;align-items:center;gap:8px;background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-weight:700;font-size:14px;}
.dot{width:9px;height:9px;border-radius:50%;background:var(--yellow);flex:0 0 auto;}
.qnum{font-size:13px;font-weight:800;letter-spacing:0.14em;text-transform:uppercase;color:var(--yellow);}
.foot{margin-top:auto;padding-top:28px;font-size:11px;letter-spacing:0.15em;text-transform:uppercase;color:var(--dark50);font-weight:700;}
.timer{font-size:40px;font-weight:900;font-variant-numeric:tabular-nums;color:var(--yellow);line-height:1;}

/* Hub personal de espera (no spinner) */
.hub-greet{font-size:13px;font-weight:800;letter-spacing:0.14em;text-transform:uppercase;color:var(--yellow);}
.hub-name{font-size:28px;font-weight:800;letter-spacing:-0.03em;line-height:1.06;margin-top:8px;}
.hub-area{color:var(--dark50);font-weight:700;margin-top:6px;font-size:15px;}
.hub-next{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:24px;margin-top:26px;position:relative;overflow:hidden;}
.hub-next::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 60%,var(--tint));pointer-events:none;}
.hub-next .lbl{font-size:12px;font-weight:800;letter-spacing:0.12em;text-transform:uppercase;color:var(--dark50);}
.hub-next .modname{font-size:20px;font-weight:800;margin-top:8px;letter-spacing:-0.02em;line-height:1.18;}
.agenda{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.agenda .step{display:flex;align-items:center;gap:12px;font-weight:700;font-size:15px;color:var(--dark50);transition:color .15s;}
.agenda .step .mk{width:24px;height:24px;border-radius:50%;border:2px solid var(--line-2);flex:0 0 auto;display:flex;align-items:center;justify-content:center;font-size:12px;transition:all .15s;}
.agenda .step.done{color:var(--cream);}
.agenda .step.done .mk{background:var(--yellow);border-color:var(--yellow);color:var(--dark);}
.agenda .step.active{color:var(--yellow);}
.agenda .step.active .mk{border-color:var(--yellow);box-shadow:0 0 0 4px rgba(255,231,0,0.14);}
.note{font-size:13px;color:var(--dark50);font-weight:600;margin-top:14px;line-height:1.5;}

/* Módulos scaffold (m2/m3/m4) */
.mod-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px;margin-top:18px;}
.mod-card h2{margin-bottom:8px;}
.mod-steps{margin-top:16px;display:flex;flex-direction:column;gap:13px;}
.mod-steps li{list-style:none;display:flex;gap:13px;font-weight:600;line-height:1.4;align-items:flex-start;}
.mod-steps .num{flex:0 0 auto;width:28px;height:28px;border-radius:9px;background:var(--yellow);color:var(--dark);font-weight:900;display:flex;align-items:center;justify-content:center;font-size:14px;}
.copybox{background:var(--dark);border:1px solid var(--line);border-radius:12px;padding:16px;font-size:14px;line-height:1.55;color:var(--cream);margin-top:8px;white-space:pre-wrap;}

/* M2 · Matriz contexto × prompt */
.aclara{margin-top:12px;background:var(--tint);border-left:3px solid var(--yellow);border-radius:8px;padding:12px 15px;font-size:13.5px;font-weight:700;color:var(--cream);line-height:1.45;}
.dls{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.dl{display:inline-flex;align-items:center;gap:7px;background:var(--yellow);color:var(--dark);font-weight:800;font-size:14px;border-radius:10px;padding:11px 15px;text-decoration:none;transition:transform .12s,filter .15s,box-shadow .15s;}
.dl:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 10px 22px -12px rgba(255,231,0,0.6);}
.matriz{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px;}
.cell{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;display:flex;flex-direction:column;transition:border-color .15s,transform .15s;}
.cell:hover{transform:translateY(-2px);}
.cell.worst{border-color:rgba(229,72,77,0.5);}
.cell.win{background:var(--yellow);color:var(--dark);border-color:var(--yellow);box-shadow:0 24px 60px -34px rgba(255,231,0,0.55);}
.cell-head{display:flex;flex-direction:column;gap:3px;margin-bottom:8px;}
.cell-tag{font-size:11px;font-weight:800;letter-spacing:0.1em;text-transform:uppercase;color:var(--dark50);}
.cell.win .cell-tag{color:var(--dark);}
.cell-title{font-size:16px;font-weight:800;line-height:1.18;letter-spacing:-0.02em;}
.cell-attach{font-size:12px;font-weight:700;color:var(--dark50);margin-bottom:10px;}
.cell.win .cell-attach{color:var(--dark);}
.cell .copybox{flex:1;margin-top:0;font-size:12.5px;max-height:230px;overflow:auto;}
.cell.win .copybox{background:rgba(28,37,45,0.92);color:var(--cream);border-color:transparent;}
.cell .copybtn{margin-top:13px;}
.cell.win .copybtn{background:var(--dark);color:var(--yellow);}

/* M4 · Recursos y bitácora */
.stack-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px;}
.stk{display:block;background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:15px;text-decoration:none;color:var(--cream);transition:border-color .15s,background .15s,transform .15s;}
.stk:hover{border-color:var(--yellow);background:var(--tint);transform:translateY(-2px);}
.stk-n{font-weight:800;font-size:15px;letter-spacing:-0.02em;}
.stk-r{font-size:12.5px;color:var(--dark50);font-weight:600;margin-top:3px;line-height:1.35;}
.stk-c{font-size:11px;font-weight:800;letter-spacing:0.04em;text-transform:uppercase;color:var(--yellow);margin-top:10px;}
.syn{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.syn-col{border-radius:13px;padding:16px 18px;}
.syn-col.good{background:rgba(59,178,115,0.1);border:1px solid rgba(59,178,115,0.35);}
.syn-col.warn{background:rgba(255,231,0,0.08);border:1px solid rgba(255,231,0,0.3);}
.syn-h{font-weight:800;font-size:14px;margin-bottom:8px;}
.syn-col ul{margin:0 0 0 16px;} .syn-col li{font-size:13.5px;line-height:1.45;margin-bottom:7px;font-weight:600;}
.chk{display:flex;gap:11px;align-items:flex-start;font-size:14px;font-weight:600;line-height:1.45;margin:11px 0;cursor:pointer;}
.chk input{margin-top:3px;width:18px;height:18px;accent-color:var(--yellow);flex:0 0 auto;}

/* M3 · Lista de archivos del kit (filas limpias, no píldoras) */
.kit-list{display:flex;flex-direction:column;gap:8px;margin-top:14px;}
.kit-item{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:11px;padding:11px 13px;text-decoration:none;color:var(--cream);transition:border-color .15s,background .15s,transform .1s;}
.kit-item:hover{border-color:var(--yellow);background:var(--tint);transform:translateY(-1px);}
.kit-item .ki-ic{flex:0 0 auto;width:32px;height:32px;border-radius:9px;background:var(--yellow);color:var(--dark);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:15px;}
.kit-item .ki-tx{display:flex;flex-direction:column;min-width:0;gap:1px;}
.kit-item .ki-name{font-weight:700;font-size:13.5px;line-height:1.25;word-break:break-word;}
.kit-item .ki-desc{font-size:11.5px;color:var(--dark50);font-weight:600;line-height:1.2;}

/* M3 · Desafío (chat + evaluación) */
.chat{display:flex;flex-direction:column;gap:13px;margin:10px 0 16px;max-height:46vh;overflow-y:auto;scroll-behavior:smooth;padding-right:4px;}
.msg{display:flex;flex-direction:column;gap:5px;}
.msg .who{font-size:11px;font-weight:800;letter-spacing:0.1em;text-transform:uppercase;color:var(--dark50);}
.msg.u .who{color:var(--yellow);}
.bubble{border-radius:14px;padding:14px 16px;font-size:14.5px;line-height:1.55;max-width:92%;}
.msg.u .bubble{background:var(--yellow);color:var(--dark);font-weight:600;align-self:flex-start;}
.msg.ia .bubble{background:var(--surface-2);border:1px solid var(--line);color:var(--cream);}
.bubble .adj{margin-top:8px;font-size:12px;font-weight:700;opacity:.8;}
.up{border:1.5px dashed var(--line-2);border-radius:13px;padding:16px;text-align:center;font-size:13px;font-weight:700;color:var(--dark50);cursor:pointer;margin-bottom:12px;transition:border-color .15s,background .15s,color .15s;}
.up:hover{border-color:var(--cream);color:var(--cream);}
.up.over{border-color:var(--yellow);background:var(--tint);color:var(--cream);}
.upchips{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;justify-content:center;}
.upchips .x{cursor:pointer;opacity:.7;margin-left:4px;}
.upchips .x:hover{opacity:1;}
.eje{margin-top:14px;}
.eje .et{display:flex;justify-content:space-between;font-size:14px;font-weight:700;margin-bottom:6px;}
.ebar{height:18px;background:var(--surface-2);border-radius:7px;overflow:hidden;}
.efill{height:100%;background:var(--yellow);border-radius:7px;transition:width .6s cubic-bezier(.22,.61,.36,1);}
.rtag{margin-top:18px;font-size:14px;font-weight:800;color:var(--yellow);}
/* render markdown de las respuestas de la IA */
.bubble .md-p{margin:0 0 8px;}
.bubble .md-p:last-child{margin-bottom:0;}
.bubble .md-h{font-size:16px;font-weight:800;margin:10px 0 6px;}
.bubble .md-ul,.bubble .md-ol{margin:6px 0 8px 18px;}
.bubble .md-ul li,.bubble .md-ol li{margin-bottom:4px;}
.bubble .md-pre{background:rgba(0,0,0,0.3);border-radius:8px;padding:10px;overflow-x:auto;font-size:12.5px;margin:8px 0;}
.bubble code{background:rgba(0,0,0,0.25);padding:1px 5px;border-radius:4px;font-size:0.9em;}
.bubble .md-table{border-collapse:collapse;width:100%;margin:8px 0;font-size:13px;}
.bubble .md-table th{background:var(--yellow);color:var(--dark);padding:7px 9px;text-align:left;font-weight:800;}
.bubble .md-table td{border:1px solid var(--line);padding:6px 9px;}
.bubble .md-table tr:nth-child(even) td{background:rgba(255,255,255,0.03);}

/* Desafío · layout 2-col en desktop */
.desafio-grid{display:flex;flex-direction:column;gap:18px;flex:1;}

/* Modal de transición soft-push */
.modal-bg{position:fixed;inset:0;background:rgba(10,14,18,0.86);display:flex;align-items:center;justify-content:center;padding:24px;z-index:50;backdrop-filter:blur(6px);animation:fadein .2s ease;}
@keyframes fadein{from{opacity:0;}to{opacity:1;}}
.modal{background:var(--cream);color:var(--dark);border-radius:22px;padding:34px;max-width:400px;width:100%;text-align:center;box-shadow:var(--shadow-lg);animation:pop .25s cubic-bezier(.22,.61,.36,1);}
@keyframes pop{from{opacity:0;transform:translateY(12px) scale(.97);}to{opacity:1;transform:none;}}
.modal .lbl{font-size:12px;font-weight:800;letter-spacing:0.12em;text-transform:uppercase;color:var(--dark50);}
.modal .modname{font-size:23px;font-weight:800;margin:8px 0 4px;letter-spacing:-0.02em;}
.modal .cd{font-size:13px;font-weight:700;color:var(--dark50);margin-top:8px;}
.modal .btn{margin-top:18px;}

/* ============ HOST (proyección) ============ */
.host-top{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px;}
.host-q{font-size:34px;font-weight:800;letter-spacing:-0.025em;line-height:1.1;margin-top:6px;max-width:1000px;text-wrap:balance;}
.host-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;}
.join-card{background:var(--cream);color:var(--dark);border-radius:22px;padding:34px;text-align:center;box-shadow:var(--shadow);}
.join-card img{width:240px;height:240px;border-radius:16px;max-width:100%;}
.join-url{font-size:20px;font-weight:900;margin-top:16px;word-break:break-all;letter-spacing:-0.01em;}
.count{font-size:64px;font-weight:800;color:var(--dark);line-height:1;letter-spacing:-0.04em;}
.controls{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.controls .btn{width:auto;margin-top:0;padding:14px 24px;}

/* Host: selector de día/módulo */
.host-bar{display:flex;flex-wrap:wrap;gap:18px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px 18px;margin-bottom:20px;}
.host-bar .grp{display:flex;align-items:center;gap:10px;}
.host-bar .grp .k{font-size:12px;font-weight:800;letter-spacing:0.1em;text-transform:uppercase;color:var(--dark50);}
.seg{display:flex;gap:6px;flex-wrap:wrap;}
.seg button{font-family:inherit;font-size:14px;font-weight:800;color:var(--cream);background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:8px 14px;cursor:pointer;transition:all .14s;}
.seg button:hover{border-color:var(--cream);}
.seg button.on{background:var(--yellow);color:var(--dark);border-color:var(--yellow);}

/* barras de resultados */
.bars{display:flex;flex-direction:column;gap:16px;width:100%;}
.bar-row{display:flex;align-items:center;gap:16px;}
.bar-row .bl{flex:0 0 auto;width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:24px;background:var(--surface-2);color:#fff;}
.bar-row.win .bl{background:var(--yellow);color:var(--dark);}
.bar-track{flex:1;background:var(--surface-2);border-radius:12px;height:46px;position:relative;overflow:hidden;}
.bar-fill{position:absolute;left:0;top:0;bottom:0;background:rgba(255,231,0,0.35);border-radius:12px;transition:width .6s cubic-bezier(.22,.61,.36,1);}
.bar-row.win .bar-fill{background:var(--yellow);}
.bar-pct{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-weight:900;font-size:20px;color:#fff;}
.bar-row.win .bar-pct{color:var(--dark);}
.answer-box{background:var(--yellow);color:var(--dark);border-radius:22px;padding:32px;box-shadow:var(--shadow);}
.answer-box .lbl{font-size:13px;font-weight:800;letter-spacing:0.12em;text-transform:uppercase;}
.answer-box .ltrbig{font-size:60px;font-weight:900;line-height:1;margin:6px 0 12px;}
.answer-box .txt{font-size:20px;font-weight:700;line-height:1.35;}

/* Leaderboard / ranking */
.lb{display:flex;flex-direction:column;gap:10px;width:100%;max-width:680px;margin:0 auto;}
.lb-row{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:13px 18px;transition:transform .12s;}
.lb-row.top{background:var(--yellow);color:var(--dark);border-color:var(--yellow);box-shadow:var(--shadow);}
.lb-row .rk{font-weight:900;font-size:20px;width:30px;}
.lb-row .nm{font-weight:800;flex:1;}
.lb-row .ar{font-size:13px;color:var(--dark50);font-weight:700;}
.lb-row.top .ar{color:var(--dark);}
.lb-row .sc{font-weight:900;font-size:20px;}

a.link{color:var(--yellow);font-weight:800;text-decoration:none;}
a.link:hover{text-decoration:underline;}

/* ============ DESKTOP ============ */
@media(min-width:900px){
  .wrap:not(.host-wrap){max-width:980px;padding:34px 40px 48px;}
  .wrap:not(.host-wrap) > .brand{padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:40px;}
  .host-wrap{padding:30px 40px 40px;}
  .cb-saga{font-size:21px;} .cb-kamai{height:23px;}

  h1{font-size:34px;}
  h2{font-size:22px;}

  /* Registro · bienvenida a 2 columnas */
  #app:has(#nm){
    display:grid;grid-template-columns:1fr 1fr;column-gap:64px;row-gap:0;align-content:center;flex:1;
  }
  #app:has(#nm) > h1{grid-column:1;grid-row:1;align-self:end;font-size:40px;}
  #app:has(#nm) > p{grid-column:1;grid-row:2;align-self:start;margin-top:14px !important;font-size:16px;max-width:32ch;}
  #app:has(#nm) > #nm{grid-column:2;grid-row:1;align-self:end;margin-top:0;}
  #app:has(#nm) > .chips{grid-column:2;grid-row:2;align-self:start;margin-top:14px;}
  #app:has(#nm) > #go{grid-column:2;grid-row:3;margin-top:20px;}

  /* Hub · dashboard */
  #app:has(.hub-greet){
    display:grid;grid-template-columns:1fr 1fr;column-gap:24px;row-gap:0;
    grid-template-areas:"greet greet" "name name" "area area" "next agenda" "note note";
    align-content:center;align-items:stretch;flex:1;
  }
  #app:has(.hub-greet) > .hub-greet{grid-area:greet;}
  #app:has(.hub-greet) > .hub-name{grid-area:name;font-size:40px;margin-top:10px;}
  #app:has(.hub-greet) > .hub-area{grid-area:area;font-size:16px;margin-bottom:18px;}
  #app:has(.hub-greet) > .hub-next{grid-area:next;margin-top:0;}
  #app:has(.hub-greet) > .agenda{grid-area:agenda;margin-top:0;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:24px;justify-content:center;}
  #app:has(.hub-greet) > .note{grid-area:note;margin-top:18px;max-width:62ch;}

  /* M2 · matriz aprovecha el ancho */
  #app:has(.matriz){max-width:none;}
  .matriz{gap:18px;margin-top:22px;}
  .cell{padding:24px;}
  .cell .copybox{max-height:300px;}

  /* M3 · tarjeta de lanzamiento centrada y contenida */
  #app:has(.mod-steps){max-width:680px;margin:0 auto;width:100%;}

  /* M4 · cierre del día — bandas con jerarquía (no tiles 2×2) */
  #app:has(.stack-grid){
    display:grid;grid-template-columns:1fr 1fr;column-gap:24px;row-gap:20px;
    grid-template-areas:"eyebrow eyebrow" "title title" "syn syn" "stack stack" "nota compromiso";
    align-content:start;
  }
  #app:has(.stack-grid) > .qnum{grid-area:eyebrow;}
  #app:has(.stack-grid) > h2{grid-area:title;margin-bottom:2px;}
  #app:has(.stack-grid) > .mod-card{margin-top:0;}
  #app:has(.stack-grid) > .mod-card:has(#sintesis){grid-area:syn;}
  #app:has(.stack-grid) > .mod-card:has(.stack-grid){grid-area:stack;}
  #app:has(.stack-grid) > .mod-card:has(#b-nota){grid-area:nota;}
  #app:has(.stack-grid) > .mod-card:has(#b-save){grid-area:compromiso;}
  #app:has(.stack-grid) .stack-grid{grid-template-columns:repeat(4,1fr);margin-top:16px;}
  #app:has(.stack-grid) .syn{grid-template-columns:1fr 1fr;}
  #app:has(.stack-grid) .mod-card:has(#b-nota){display:flex;flex-direction:column;}
  #app:has(.stack-grid) #b-nota{flex:1;min-height:120px;}

  /* Desafío · sidebar + chat */
  .desafio-grid{display:grid;grid-template-columns:var(--rail) 1fr;gap:26px;align-items:start;}
  .desafio-side{position:sticky;top:30px;}
  .desafio-side .mod-card{margin-top:18px;}
  .desafio-side .mod-card:first-child{margin-top:0;}
  .desafio-main .mod-card{margin-top:0;}
  .desafio-main .chat{max-height:56vh;}

  /* Host · más aire en proyección */
  .host-q{font-size:44px;}
  .host-grid{gap:40px;}
  .join-card img{width:280px;height:280px;}
  .count{font-size:80px;}

  /* Quiz jugador · opciones contenidas */
  #app:has(.opts){max-width:660px;margin:0 auto;width:100%;}
  .big{font-size:56px;}
}

@media(min-width:1240px){
  .desafio-side{--rail:400px;}
}

/* Móvil: respeta una sola columna */
@media(max-width:899px){
  .matriz{grid-template-columns:1fr;}
  .stack-grid,.syn{grid-template-columns:1fr;}
}
@media(max-width:760px){
  .host-grid{grid-template-columns:1fr;}
  .host-q{font-size:28px;}
  .join-card img{width:200px;height:200px;}
  .host-top{flex-wrap:wrap;}
}
@media(max-width:560px){
  .matriz{grid-template-columns:1fr;}
  .stack-grid,.syn{grid-template-columns:1fr;}
}

/* ============================================================
   SESIÓN 2 · Aplicar — módulos de laptop (Paso 1/2/3, galería, cierre)
   ============================================================ */
.step-head{margin-bottom:6px;}
.step-head h2{margin-top:6px;}
.step-lead{color:var(--dark50);font-weight:600;font-size:15px;margin-top:8px;line-height:1.55;max-width:70ch;}

/* grilla de tarjetas de ejercicio (1 col móvil, multi-col laptop) */
.ex-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:18px;}
.ex{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px;display:flex;flex-direction:column;}
.ex-tool{display:flex;align-items:center;gap:9px;margin-bottom:5px;flex-wrap:wrap;}
.ex-badge{font-size:11px;font-weight:800;letter-spacing:0.05em;text-transform:uppercase;padding:5px 11px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);color:var(--cream);}
.ex-badge.pplx{background:rgba(31,184,205,0.13);border-color:rgba(31,184,205,0.4);color:#7EE6F2;}
.ex-badge.claude{background:rgba(217,119,38,0.15);border-color:rgba(217,119,38,0.4);color:#F2B27E;}
.ex-badge.nlm{background:rgba(66,133,244,0.15);border-color:rgba(66,133,244,0.4);color:#9DBEF9;}
.ex-badge.proj{background:rgba(255,231,0,0.12);border-color:rgba(255,231,0,0.4);color:var(--yellow);}
.ex-tool .tool-r{font-size:12.5px;font-weight:700;color:var(--dark50);}
.ex h3{font-size:17px;font-weight:800;letter-spacing:-0.015em;line-height:1.2;}
.ex-sub{font-size:13.5px;color:var(--dark50);font-weight:600;margin-top:6px;line-height:1.5;}
.ex .copybox{margin-top:12px;font-size:13px;flex:1;}
.ex .copybtn{margin-top:11px;}
.tip{margin-top:12px;background:var(--tint);border-left:3px solid var(--yellow);border-radius:8px;padding:11px 14px;font-size:13px;font-weight:600;color:var(--cream);line-height:1.5;}

/* chips de descarga (S2) */
.filechips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.filechip{display:inline-flex;align-items:center;gap:7px;background:var(--surface-2);color:var(--cream);font-weight:700;font-size:13px;border-radius:10px;padding:10px 13px;text-decoration:none;border:1px solid var(--line-2);transition:all .12s;}
.filechip:hover{border-color:var(--yellow);background:var(--tint);transform:translateY(-1px);}
.filechip b{color:var(--yellow);}

/* etiquetas “dónde va” (Project) */
.where{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:800;letter-spacing:0.05em;text-transform:uppercase;padding:6px 11px;border-radius:8px;margin-top:14px;align-self:flex-start;}
.where.instr{background:rgba(255,231,0,0.12);border:1px solid rgba(255,231,0,0.4);color:var(--yellow);}
.where.kb{background:rgba(59,178,115,0.15);border:1px solid rgba(59,178,115,0.4);color:#8FE3B4;}
.where.chat{background:rgba(66,133,244,0.15);border:1px solid rgba(66,133,244,0.4);color:#9DBEF9;}
.kb-why{background:var(--surface-2);border:1px solid var(--line);border-radius:14px;padding:16px 18px;font-size:14px;font-weight:600;line-height:1.55;color:var(--cream);margin-top:16px;}
.kb-why b{color:var(--yellow);}
.kb-why .row{display:flex;gap:10px;margin-top:11px;align-items:flex-start;}
.kb-why .ic{flex:0 0 auto;font-weight:900;font-size:15px;}
.kb-why .ic.yes{color:#8FE3B4;} .kb-why .ic.no{color:#F2A0A2;}

/* galería de fotos */
.up-btn{display:flex;flex-direction:column;align-items:center;gap:7px;background:var(--surface-2);border:2px dashed var(--line-2);border-radius:16px;padding:30px 20px;cursor:pointer;transition:all .14s;margin-top:16px;}
.up-btn:hover{border-color:var(--yellow);background:var(--tint);}
.up-btn.busy{opacity:.6;pointer-events:none;}
.up-btn .ico{font-size:34px;}
.up-btn .t{font-weight:800;font-size:15px;}
.up-btn .s{font-size:13px;color:var(--dark50);font-weight:600;}
.up-btn input{display:none;}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:16px;}
.gtile{position:relative;border-radius:13px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:var(--surface);}
.gtile img{width:100%;height:100%;object-fit:cover;display:block;}
.gtile .cap{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(0,0,0,0.8));color:#fff;font-size:12px;font-weight:700;padding:16px 10px 8px;}
.gtile.mine{border-color:var(--yellow);box-shadow:0 0 0 2px var(--yellow);}
.gcount{font-size:13px;color:var(--dark50);font-weight:700;margin-top:16px;}

/* template de proceso (cierre) */
.tpl{background:var(--dark);border:1px solid var(--line);border-radius:12px;padding:16px;font-size:13px;line-height:1.65;color:var(--cream);margin-top:12px;white-space:pre-wrap;font-weight:500;font-family:ui-monospace,"SF Mono",Menlo,monospace;}
.rule{display:flex;gap:10px;font-size:14px;font-weight:600;margin-top:10px;line-height:1.45;align-items:flex-start;}
.rule .n{flex:0 0 auto;width:24px;height:24px;border-radius:8px;background:var(--yellow);color:var(--dark);font-weight:900;display:flex;align-items:center;justify-content:center;font-size:13px;}
.qr-box{background:var(--cream);border-radius:14px;padding:20px;display:flex;flex-direction:column;align-items:center;gap:9px;margin-top:14px;max-width:280px;}
.qr-box img{width:170px;height:170px;}
.qr-box span{color:var(--dark);font-weight:800;font-size:13px;}
.fbk-link{display:inline-block;margin-top:10px;color:var(--yellow);font-weight:800;font-size:13.5px;text-decoration:none;word-break:break-all;border-bottom:1px solid rgba(255,231,0,0.4);}
.fbk-link:hover{border-bottom-color:var(--yellow);}

/* ---------- laptop: los módulos S2 aprovechan el ancho ---------- */
@media(min-width:900px){
  .wrap:not(.host-wrap):has(.ex-grid),
  .wrap:not(.host-wrap):has(.grid),
  .wrap:not(.host-wrap):has(.cierre-wrap){max-width:1140px;}
  .ex-grid{grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:18px;margin-top:24px;align-items:start;}
  .ex{padding:26px;}
  .ex .copybox{max-height:340px;}
  .ex.span{grid-column:1/-1;}
  .ex.span .copybox{max-height:none;}
  /* Paso 2: Project ancho arriba, los dos chats lado a lado debajo */
  .p2-project{grid-column:1/-1;}
  .grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));}
  /* Cierre en dos columnas */
  .cierre-wrap{display:grid;grid-template-columns:1.2fr 1fr;gap:20px;align-items:start;margin-top:24px;}
  .cierre-wrap .ex{margin:0;}
  .cierre-wrap .c-proceso{grid-column:1;grid-row:1;}
  .cierre-wrap .c-tarea{grid-column:1;grid-row:2;}
  .cierre-wrap .c-feedback{grid-column:2;grid-row:1/3;}
}
@media(max-width:899px){
  .cierre-wrap{display:flex;flex-direction:column;gap:14px;margin-top:18px;}
  .grid{grid-template-columns:repeat(2,1fr);}
}