/* Reinicio mínimo: el documento se sirve completo desde el propio servidor,
   así que aquí va lo que antes ponía el contenedor de la página. */
html { color-scheme: light dark; }
body { margin: 0; }
img { max-width: 100%; }
[hidden] { display: none !important; }

:root{
  --ground:#F9FAFB; --surface:#FFFFFF; --sunken:#EEF0F5; --ink:#111827; --muted:#4B5563; --line:#E5E7EB;
  --accent:#4F46E5; --accent-soft:#E0E7FF; --on-accent:#FFFFFF;
  --bad:#B91C1C; --bad-soft:#FEE2E2; --good:#15803D; --good-soft:#DCFCE7;
  --hero:#111827; --on-hero:#FFFFFF; --on-hero-muted:#D1D5DB;
  --display:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --body:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ground:#0B1020; --surface:#111827; --sunken:#1F2937; --ink:#F3F4F6; --muted:#9CA3AF; --line:#273244;
  --accent:#6366F1; --accent-soft:#25285A; --on-accent:#FFFFFF;
  --bad:#FCA5A5; --bad-soft:#45191B; --good:#86EFAC; --good-soft:#12351F;
  --hero:#1F2937; --on-hero:#FFFFFF; --on-hero-muted:#D1D5DB;
  }
}
:root[data-theme="dark"]{
  --ground:#0B1020; --surface:#111827; --sunken:#1F2937; --ink:#F3F4F6; --muted:#9CA3AF; --line:#273244;
  --accent:#6366F1; --accent-soft:#25285A; --on-accent:#FFFFFF;
  --bad:#FCA5A5; --bad-soft:#45191B; --good:#86EFAC; --good-soft:#12351F;
  --hero:#1F2937; --on-hero:#FFFFFF; --on-hero-muted:#D1D5DB;
}
*{box-sizing:border-box}
body{background:var(--ground);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.55;padding-inline:16px;padding-block:20px 56px}
.wrap{max-width:860px;margin-inline:auto;display:flex;flex-direction:column;gap:20px}
h1,h2,h3{font-family:var(--display);line-height:1.1;margin:0;text-wrap:balance}
p{margin:0}
button{font:inherit;color:inherit;cursor:pointer}
button:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

/* barra superior */
.top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}
.brand{font-family:var(--display);font-weight:800;font-size:18px;letter-spacing:-.01em}
.brand small{font-family:var(--mono);font-weight:400;font-size:12px;color:var(--muted);margin-left:8px;letter-spacing:.04em}
.hud{display:flex;gap:16px;align-items:center;font-family:var(--mono);font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.hud b{color:var(--ink);font-weight:500}
.meter{width:120px;height:8px;background:var(--sunken);border-radius:4px;overflow:hidden}
.meter i{display:block;height:100%;background:var(--accent);width:0;transition:width .4s}

/* portada */
.hero{background:var(--hero);color:var(--on-hero);border-radius:6px;overflow:hidden}
.tape{height:14px;background:repeating-linear-gradient(-45deg,#4F46E5 0 18px,#111827 18px 36px)}
.hero-in{padding:28px clamp(20px,5vw,40px) 32px;display:flex;flex-direction:column;gap:14px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--on-hero-muted)}
.hero h1{font-size:clamp(34px,7vw,56px);font-weight:700;letter-spacing:-.025em}
.hero p{max-width:60ch;color:var(--on-hero-muted)}
.hero p strong{color:var(--on-hero);font-weight:500}
.btn{border:0;border-radius:6px;padding:12px 20px;font-weight:600;background:var(--accent);color:var(--on-accent);align-self:flex-start}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn[disabled]{opacity:.45;cursor:not-allowed}

/* lista de misiones */
.sec-h{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.sec-h h2{font-size:24px;font-weight:700}
.sec-h span{font-size:14px;color:var(--muted)}
.missions{display:flex;flex-direction:column;border-top:1.5px solid var(--ink)}
.mrow{display:grid;grid-template-columns:44px 1fr auto;gap:14px;align-items:center;padding:16px 4px;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;width:100%}
.mrow:not([disabled]):hover{background:var(--surface)}
.mrow[disabled]{cursor:not-allowed;color:var(--muted)}
.mrow .n{font-family:var(--mono);font-size:13px;color:var(--muted)}
.mrow h3{font-size:19px;font-weight:700}
.mrow p{font-size:14px;color:var(--muted)}
.chip{font-family:var(--mono);font-size:12px;padding:4px 10px;border-radius:999px;border:1px solid var(--line);white-space:nowrap;font-variant-numeric:tabular-nums}
.chip.done{background:var(--good-soft);border-color:transparent;color:var(--good)}
.chip.go{background:var(--accent);border-color:transparent;color:var(--on-accent);font-weight:500}
.chip.low{background:var(--bad-soft);border-color:transparent;color:var(--bad)}

.diploma-cta{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:20px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.diploma-cta h3{font-size:20px}
.diploma-cta p{font-size:14px;color:var(--muted);max-width:52ch}

/* misión */
.stage{display:flex;flex-direction:column;gap:18px}
.stage-h{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.back{background:none;border:0;padding:6px 0;color:var(--muted);font-size:14px}
.back:hover{color:var(--ink)}
.steps{display:flex;gap:5px}
.steps i{width:22px;height:6px;border-radius:3px;background:var(--sunken)}
.steps i.ok{background:var(--good)} .steps i.ko{background:var(--bad)} .steps i.now{background:var(--accent)}
.stage h2{font-size:clamp(24px,4.5vw,32px);font-weight:800;letter-spacing:-.015em}
.prompt{font-size:17px;max-width:65ch}
.scene{background:var(--surface);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.scene.plain{padding:20px;max-width:100%}

.mail-h{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:4px}
.mail-h .subj{font-weight:600;font-size:17px}
.mail-h .from{font-size:14px;overflow-wrap:anywhere}
.mail-h .from code{font-family:var(--mono);font-size:13px;color:var(--muted)}
.mail-b{padding:18px;display:flex;flex-direction:column;gap:12px;font-size:15px}
.fakelink{color:#2E6BD6;text-decoration:underline;font-weight:500}
.inspect{align-self:flex-start;background:var(--sunken);border:0;border-radius:4px;padding:7px 12px;font-size:13px;font-family:var(--mono)}
.dest{font-family:var(--mono);font-size:13px;background:var(--sunken);padding:10px 12px;border-radius:4px;overflow-wrap:anywhere}
.attach{font-family:var(--mono);font-size:13px;border:1px dashed var(--line);padding:8px 12px;border-radius:4px;align-self:flex-start}

.call-h{background:var(--hero);color:var(--on-hero);padding:16px 18px;display:flex;align-items:center;gap:12px}
.pulse{width:12px;height:12px;border-radius:50%;background:#4CC793;animation:pulse 1.4s infinite}
@keyframes pulse{50%{opacity:.3}}
.call-h small{display:block;font-family:var(--mono);font-size:12px;color:var(--on-hero-muted)}
.bubbles{padding:18px;display:flex;flex-direction:column;gap:10px}
.bub{max-width:85%;padding:10px 14px;border-radius:14px 14px 14px 3px;background:var(--sunken);font-size:15px;align-self:flex-start;overflow-wrap:anywhere}
.bub.me{align-self:flex-end;border-radius:14px 14px 3px 14px;background:var(--good-soft)}
.chat-h{padding:12px 18px;border-bottom:1px solid var(--line);display:flex;gap:12px;align-items:center}
.ava{width:38px;height:38px;border-radius:50%;background:var(--accent-soft);display:grid;place-items:center;font-weight:600;font-size:14px;color:var(--ink)}
.chat-h small{display:block;font-family:var(--mono);font-size:12px;color:var(--muted)}

.opts{display:flex;flex-direction:column;gap:10px}
.opts.two{flex-direction:row;flex-wrap:wrap}
.opts.two .opt{flex:1 1 180px;text-align:center;font-weight:600}
.opt{background:var(--surface);border:1.5px solid var(--line);border-radius:6px;padding:14px 16px;text-align:left;font-size:15px}
.opt:not([disabled]):hover{border-color:var(--ink)}
.opt[disabled]{cursor:default}
.opt.right{border-color:var(--good);background:var(--good-soft)}
.opt.wrong{border-color:var(--bad);background:var(--bad-soft)}
.fb{border-radius:6px;padding:16px 18px;display:flex;flex-direction:column;gap:6px;background:var(--good-soft)}
.fb.ko{background:var(--bad-soft)}
.fb b{font-family:var(--display);font-size:18px;color:var(--good)}
.fb.ko b{color:var(--bad)}
.fb p{font-size:15px;max-width:68ch}

/* encuentra los riesgos */
.desk{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}
.item{background:var(--surface);border:1.5px solid var(--line);border-radius:6px;padding:14px;text-align:left;font-size:15px;display:flex;gap:10px;align-items:flex-start}
.item .box{flex:none;width:20px;height:20px;border:1.5px solid var(--muted);border-radius:3px;margin-top:2px;display:grid;place-items:center;font-size:14px;font-weight:700}
.item[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.item[aria-pressed="true"] .box{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.item.right{border-color:var(--good);background:var(--good-soft)} .item.wrong{border-color:var(--bad);background:var(--bad-soft)}
.item small{display:block;color:var(--muted);font-size:13px;margin-top:4px}

/* forja de contraseña */
.forge{padding:20px;display:flex;flex-direction:column;gap:14px}
.forge input,.name-in{font-family:var(--mono);font-size:16px;padding:12px 14px;border:1.5px solid var(--line);border-radius:4px;background:var(--ground);color:var(--ink);width:100%}
.crit{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px;font-size:14px}
.crit li{display:flex;gap:8px;color:var(--muted)}
.crit li::before{content:"○";font-family:var(--mono)}
.crit li.ok{color:var(--good)} .crit li.ok::before{content:"●"}
.warn{font-size:13px;color:var(--muted)}

/* resumen */
.sum{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:24px;display:flex;flex-direction:column;gap:16px}
.sum .big{font-family:var(--display);font-weight:800;font-size:44px;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.sum ul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:6px;max-width:68ch}
.row{display:flex;gap:10px;flex-wrap:wrap}

/* diploma */
.dip{display:flex;flex-direction:column;gap:16px}
.dip canvas{width:100%;height:auto;border-radius:4px;box-shadow:0 6px 28px rgba(10,20,40,.22);background:#FFFFFF}
.dip label{font-size:14px;font-weight:500}
.field{display:flex;flex-direction:column;gap:6px;max-width:440px}
.note{font-size:13px;color:var(--muted);max-width:68ch}
footer{font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px}
@media (max-width:520px){.mrow{grid-template-columns:28px 1fr}.mrow .chip{grid-column:2;justify-self:start}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}