/* ============================================================
   Emprendimiento e Innovación 2026 — sistema visual v1.4
   Navy + blanco + ámbar. Lexend autoalojada para títulos/UI;
   pila del sistema para lectura larga (lecciones y preguntas).
   ============================================================ */

@font-face{
  font-family:'Lexend';
  font-style:normal;
  font-weight:500 800;
  font-display:swap;
  src:url('fonts/lexend-latin.b7e7538f59.woff2') format('woff2');
}

:root{
  /* marca */
  --navy-900:#081B33;      /* títulos cortos, nav, chrome */
  --navy-ink:#203A5C;      /* texto de lectura larga (lecciones, preguntas) — más suave que navy-900 */
  --navy-700:#0E2A4D;      /* marca: nav, botones primarios, enlaces */
  --navy-600:#15345C;      /* hover de navy-700 */
  --mist:#F4F6F9;          /* fondo de página */
  --paper:#FFFFFF;         /* superficies */
  --slate:#4A5A72;         /* texto secundario */
  --line:#DCE3EC;          /* separadores */
  --line-strong:#C3D0DF;

  /* acento — un solo color, con moderación */
  --amber:#E8A33D;
  --amber-deep:#B4790C; /* for borders/icons/large text (3:1) — NOT small text */
  --amber-text:#8A5C09; /* for small text on white/mist (5.8:1 / 5.4:1) */
  --amber-tint:#FBF0DC;

  /* semántico (independiente del acento) */
  --good:#1B8A5A;
  --good-text:#116A44;
  --good-tint:#E9F5EE;
  --good-line:#BFE3D1;
  --bad:#C13B3B;
  --bad-text:#A62E2E;
  --bad-tint:#FBEAEA;
  --bad-line:#F0C9C9;

  --radius:10px;
  --radius-sm:7px;
  --shadow-1:0 1px 2px rgba(8,27,51,.06);

  --font-display:'Lexend',-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-body:-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

*{box-sizing:border-box}
html{background:var(--mist)}
body{margin:0;background:var(--mist);color:var(--navy-ink);font:400 16px/1.65 var(--font-body);-webkit-font-smoothing:antialiased}
button,input{font:inherit}
button{cursor:pointer;background:none;border:0}
button:disabled{cursor:not-allowed;opacity:.45}
/* option buttons are "disabled" once revealed to lock the answer in, not because they're
   unavailable — their state is already carried by color+icon+text, so don't dim them too
   (dimming was actively working against the "texto e iconografía" requirement). */
.option:disabled{opacity:1}
a{color:var(--navy-700)}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--navy-900);margin:0}
.muted{color:var(--slate)}
.small{font-size:13px}

:focus-visible{outline:2.5px solid var(--amber-deep);outline-offset:2px;border-radius:4px}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* ---------------- shell ---------------- */
.top{background:var(--navy-700);color:#fff;position:sticky;top:0;z-index:20}
.topin{max-width:1080px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:12px 20px;gap:12px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-family:var(--font-display);font-weight:700;font-size:15px;line-height:1.15}
.brandmark{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:var(--amber);color:var(--navy-900);flex:none}
.brand .word small{display:block;font-weight:500;font-size:11px;opacity:.78;margin-top:2px;letter-spacing:.01em}
.tiny{font-size:12px;opacity:.82}

main{max-width:720px;margin:0 auto;padding:22px 18px 110px;min-height:70vh}
main.wide{max-width:980px}

footer{text-align:center;color:var(--navy-ink);padding:22px 18px 28px;font-size:12px;max-width:980px;margin:0 auto}
footer p{margin:0 0 10px}
.footlinks{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.footlinks button{font:600 12px var(--font-display);color:var(--navy-700);text-decoration:underline;text-underline-offset:2px;padding:4px}

.toast{position:fixed;bottom:84px;left:50%;transform:translateX(-50%);background:var(--navy-900);color:#fff;border-radius:10px;padding:12px 18px;z-index:40;box-shadow:0 10px 30px rgba(0,0,0,.25);font-size:14px;max-width:88vw}

/* ---------------- navegación principal ---------------- */
.appnav{display:flex;gap:4px;margin:0 0 20px;border-bottom:1px solid var(--line);padding-bottom:0}
.appnav button{display:flex;align-items:center;gap:7px;padding:11px 14px;font:600 13.5px var(--font-display);color:var(--slate);border-bottom:2.5px solid transparent;margin-bottom:-1px}
.appnav button .ic{flex:none}
.appnav button span:last-child{display:inline}
.appnav button.active{color:var(--navy-700);border-color:var(--amber)}
.appnav button:hover{color:var(--navy-700)}

/* ---------------- botones ---------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 14px var(--font-display);padding:12px 18px;border-radius:var(--radius-sm);min-height:46px;transition:background-color .15s ease,border-color .15s ease,transform .08s ease}
.btn:active{transform:scale(.98)}
.btn{background:var(--navy-700);color:#fff}
.btn:hover{background:var(--navy-600)}
.btn.accent{background:var(--amber);color:var(--navy-900)}
.btn.accent:hover{background:#DD9A2E}
.btn.secondary{background:var(--amber-tint);color:var(--navy-700)}
.btn.secondary:hover{background:#F7E6C3}
.btn.outline{border:1.5px solid var(--line-strong);background:var(--paper);color:var(--navy-700)}
.btn.outline:hover{border-color:var(--navy-700)}
.btn.ghost{background:transparent;border:1.5px solid rgba(255,255,255,.35);color:#fff}
.btn.ghost:hover{background:rgba(255,255,255,.1)}
.btn.wide{width:100%}
.smallbtn{padding:7px 11px;min-height:34px;font-size:12px}

/* ---------------- cards / panels ---------------- */
.card,.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.card h3,.panel h3{font-size:17px;margin:0 0 6px}
.sectiontitle{font:700 20px var(--font-display);color:var(--navy-900);margin:30px 0 14px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.progress{height:6px;background:var(--line);border-radius:5px;overflow:hidden;margin:10px 0 2px}
.progress>span{display:block;height:100%;background:var(--amber);border-radius:5px;transition:width .35s ease}
.notice{background:var(--amber-tint);border:1px solid #EFD9A6;border-radius:var(--radius-sm);padding:13px 15px;font-size:13px;color:#6B4C0E;margin:16px 0}
.pill{display:inline-flex;align-items:center;gap:5px;border-radius:999px;background:var(--amber-tint);color:var(--navy-700);font:700 12px var(--font-display);padding:6px 12px}
.pill-good{background:var(--good-tint);color:var(--good-text)}
.pill-bad{background:var(--bad-tint);color:var(--bad-text)}
svg.ic{flex:none;vertical-align:middle}
.split{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.breadcrumb{color:var(--navy-700);font:600 13.5px var(--font-display);margin-bottom:16px;display:inline-block}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}
.bigstat{font:700 30px var(--font-display);color:var(--navy-700);font-variant-numeric:tabular-nums}

/* ---------------- hero (inicio) ---------------- */
.hero{background:var(--navy-700);color:#fff;border-radius:16px;padding:28px 26px;margin-bottom:26px}
.hero .eyebrow{font:600 11px var(--font-display);text-transform:uppercase;letter-spacing:.08em;color:var(--amber)}
.hero h1{color:#fff;font-size:clamp(24px,4vw,34px);line-height:1.2;margin:10px 0 10px}
.hero p{max-width:52ch;color:#CBD9EC;line-height:1.55;margin:0 0 20px;font-size:15px}
.ctarow{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.herostats{display:flex;gap:26px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.18);padding-top:16px}
.stat strong{display:block;font:700 22px var(--font-display);font-variant-numeric:tabular-nums}
.stat span{font-size:11.5px;color:#AEC0D8}

/* ---------------- módulos (inicio) ---------------- */
.modlist{border-top:1px solid var(--line)}
.modrow{display:flex;align-items:center;gap:16px;padding:18px 4px;border-bottom:1px solid var(--line)}
.modrow .num{font:700 24px var(--font-display);color:var(--amber-deep);width:36px;flex:none;font-variant-numeric:tabular-nums}
.modrow .info{flex:1;min-width:0}
.modrow h3{font:600 15.5px var(--font-display);margin:0 0 3px;color:var(--navy-900)}
.modrow .meta{font-size:12.5px;color:var(--slate)}
.modrow .progress{max-width:220px}
.modrow .go{font:600 13px var(--font-display);color:var(--navy-700);white-space:nowrap;flex:none}

.linkrow{display:flex;align-items:center;gap:14px;padding:15px 4px;border-top:1px solid var(--line)}
.linkrow:first-of-type{border-top:none}
.linkrow .ic{width:36px;height:36px;border-radius:9px;background:var(--amber-tint);color:var(--amber-deep);display:grid;place-items:center;flex:none}
.linkrow h3{font:600 14px var(--font-display);margin:0 0 2px}
.linkrow p{font-size:12.5px;color:var(--slate);margin:0}

/* ---------------- módulo / lección ---------------- */
.part{margin:14px 0}
.parthead{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--amber-tint);padding:13px 15px;border-radius:var(--radius-sm);font:700 13.5px var(--font-display);color:var(--navy-900)}
.lessonrow{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding:13px 4px}
.lessonrow:last-child{border:0}
.lessonrow button{text-align:left;color:var(--navy-900);font:600 14.5px var(--font-body);padding:4px 0}
.content{line-height:1.75;font-size:17px;color:var(--navy-ink);overflow-wrap:anywhere}
.content h2,.content h3{color:var(--navy-900);font-family:var(--font-display);line-height:1.3;margin-top:26px}
.content h2{font-size:21px}
.content h3{font-size:18px}
.content table{display:block;overflow-x:auto;border-collapse:collapse;max-width:100%;font-size:14px}
.content th,.content td{border:1px solid var(--line);padding:9px;min-width:100px}
.content th{background:var(--mist)}
.content blockquote{margin:16px 0;padding:6px 16px;background:var(--mist);border-left:3px solid var(--amber)}
.content img{max-width:100%}
.content pre{white-space:pre-wrap;background:var(--mist);padding:12px;border-radius:var(--radius-sm)}
.content li{margin:5px 0}

/* ---------------- formulario de evaluación ---------------- */
.formgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.formgrid label{display:flex;flex-direction:column;gap:7px;font:600 13px var(--font-display);color:var(--navy-900)}
.formgrid select,.formgrid input[type=number]{width:100%;padding:11px 12px;border:1.5px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--paper);color:var(--navy-ink);font:400 14px var(--font-body);min-height:44px}
.formgrid select:focus,.formgrid input:focus{border-color:var(--navy-700)}
.formgrid label.check{flex-direction:row;align-items:center;font-weight:500;gap:9px}
.formgrid input[type=checkbox]{width:19px;height:19px;accent-color:var(--navy-700)}

/* ---------------- pantalla de pregunta ---------------- */
.qtop{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}
.question{font:600 20px/1.5 var(--font-display);color:var(--navy-900);margin:14px 0}
.option{display:flex;gap:12px;width:100%;align-items:flex-start;text-align:left;padding:14px 15px;border:1.5px solid var(--line);background:var(--paper);border-radius:var(--radius-sm);margin:9px 0;line-height:1.5;color:var(--navy-ink);transition:border-color .15s ease,background-color .15s ease}
.option .letter{flex:none;width:26px;height:26px;border-radius:50%;border:1.5px solid var(--line-strong);display:grid;place-items:center;font:700 12px var(--font-display);color:var(--navy-700);transition:all .15s ease}
.option .otext{padding-top:2px;font-size:15px}
.option.selected{border-color:var(--amber);background:var(--amber-tint)}
.option.selected .letter{background:var(--amber);border-color:var(--amber);color:var(--navy-900)}
.option.correct{border-color:var(--good);background:var(--good-tint)}
.option.correct .letter{background:var(--good);border-color:var(--good);color:#fff}
.option.wrong{border-color:var(--bad);background:var(--bad-tint)}
.option.wrong .letter{background:var(--bad);border-color:var(--bad);color:#fff}
.option .letter svg{width:14px;height:14px}

.feedback{border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin-top:16px;line-height:1.55;background:var(--mist)}
.feedback.good{background:var(--good-tint);border-color:var(--good-line)}
.feedback.bad{background:var(--bad-tint);border-color:var(--bad-line)}
.feedback .fbhead{display:flex;align-items:center;gap:8px;font:700 14.5px var(--font-display);margin-bottom:6px}
.feedback.good .fbhead{color:var(--good-text)}
.feedback.bad .fbhead{color:var(--bad-text)}
.feedback p{margin:4px 0 0;color:var(--navy-ink);font-size:14.5px}

.explain-all{margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
.explain-all h4{font:600 12px var(--font-display);text-transform:uppercase;letter-spacing:.05em;color:var(--slate);margin:0 0 12px}
.explain-option{display:flex;gap:10px;margin:0;padding:12px 2px;border-top:1px solid var(--line)}
.explain-option:first-of-type{border-top:none}
.explain-option .xic{flex:none;margin-top:2px}
.explain-option strong{display:block;font-size:14px;font-weight:650;color:var(--navy-900)}
.explain-option p{margin:4px 0 0;line-height:1.55;font-size:13.5px;color:var(--slate)}
.explain-correct .xic{color:var(--good-text)}
.explain-wrong .xic{color:var(--bad-text)}
.feedback .explain-option{color:var(--navy-ink)}
.reviewitem .explain-option{font-size:.95rem}

.qbar-wrap{margin:10px 0 18px}

.examactions{display:flex;justify-content:space-between;gap:10px;margin-top:22px;padding-top:4px}
.examhint{font-size:11.5px;color:var(--slate);text-align:center;margin-top:10px}

/* ---------------- resultados / historial ---------------- */
.results{text-align:center;padding:26px 20px}
.results strong{font:700 48px var(--font-display);color:var(--navy-700);display:block;font-variant-numeric:tabular-nums}
.reviewitem{border-bottom:1px solid var(--line);padding:16px 0}
.reviewitem:last-child{border:0}

/* ---------------- faq ---------------- */
.faqitem{border-bottom:1px solid var(--line);padding:14px 2px}
.faqitem summary{font:650 14.5px var(--font-body);cursor:pointer;color:var(--navy-900);line-height:1.5}
.faqitem p{line-height:1.6;color:var(--slate);margin:8px 0 0}

.loading{text-align:center;padding:80px 0;color:var(--slate)}

/* ---------------- responsive: navegación inferior en celular ---------------- */
@media(max-width:767px){
  main{padding:16px 14px 96px}
  /* footer is a sibling of main (outside #app), so it needs its own clearance from the
     fixed bottom tab bar below — otherwise its FAQ/Respaldo links sit underneath it and
     become unclickable (the tab bar intercepts the pointer event). */
  footer{padding-bottom:calc(28px + 64px + env(safe-area-inset-bottom,0))}
  .cards,.grid2{grid-template-columns:1fr}
  .hero{padding:22px 20px}
  .tiny{display:none}
  .sectiontitle{font-size:18px}
  .content{font-size:16px}
  .formgrid{grid-template-columns:1fr}

  .appnav{
    position:fixed;left:0;right:0;bottom:0;z-index:30;
    background:var(--paper);border-top:1px solid var(--line);border-bottom:0;
    display:flex;justify-content:space-around;padding:6px 4px env(safe-area-inset-bottom,0);
    margin:0;
  }
  .appnav button{
    flex-direction:column;gap:3px;padding:7px 6px;border-bottom:0;flex:1;
    font-size:11px;min-height:48px;
  }
  .appnav button.active{position:relative}
  .appnav button.active::after{content:'';position:absolute;top:2px;left:50%;transform:translateX(-50%);width:4px;height:4px;border-radius:50%;background:var(--amber)}

  /* la pregunta no tiene appnav (ver nota en app.js): sus acciones usan todo el ancho inferior */
  .examactions{
    position:sticky;bottom:0;background:var(--paper);border-top:1px solid var(--line);
    padding:12px 0 calc(12px + env(safe-area-inset-bottom,0));margin:18px -14px -16px;
    padding-left:14px;padding-right:14px;
  }
  .examactions .btn{flex:1}
}

@media(min-width:768px){
  main{padding:30px 24px 60px}
  main.wide{padding-left:24px;padding-right:24px}
}

/* ---------------- acceso por cédula (v1.5) ---------------- */
.logoutbtn{background:none;border:1px solid rgba(255,255,255,.35);color:#fff;font:600 12px var(--font-display);padding:7px 12px;border-radius:999px}
.logoutbtn:hover{background:rgba(255,255,255,.1)}

.loginwrap{display:flex;justify-content:center;padding:40px 16px}
.logincard{width:100%;max-width:372px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow-1)}
.login-eyebrow{display:block;text-align:center;font:600 11px var(--font-display);text-transform:uppercase;letter-spacing:.08em;color:var(--amber-text);margin-bottom:10px}
.login-h1{font-size:20px;text-align:center;margin:0 0 8px}
.login-sub{font-size:13.5px;color:var(--slate);text-align:center;margin:0 0 24px;line-height:1.5}
.loginfield{display:block;margin-bottom:18px}
.loginfield label{display:block;font:600 11.5px var(--font-display);text-transform:uppercase;letter-spacing:.04em;color:var(--navy-900);margin-bottom:7px}
.logininput{width:100%;padding:12px 13px;border:1.5px solid var(--line-strong);border-radius:var(--radius-sm);font:500 17px ui-monospace,Consolas,monospace;letter-spacing:.02em;color:var(--navy-ink);background:var(--paper)}
.logininput:focus{border-color:var(--navy-700)}
.login-note{font-size:12.5px;margin:18px 0 0}
.turnstilebox{display:flex;justify-content:center;min-height:65px;margin:0 0 8px}
.turnstilebox>*{max-width:100%}
.login-status{font-size:12.5px;color:var(--slate);text-align:center;min-height:1.5em;margin:0 0 14px;line-height:1.5}
@media (max-width:440px){.loginwrap{padding:24px 0}.logincard{padding:26px 20px}}
.loginerror{background:var(--bad-tint);border:1px solid var(--bad-line);color:var(--bad-text);border-radius:var(--radius-sm);padding:11px 13px;font-size:13px;margin-top:14px;line-height:1.5}
.legacy-export{border:1px dashed var(--line-strong);border-radius:var(--radius-sm);padding:14px 15px;margin-top:16px;font-size:13px;color:var(--slate)}
.legacy-export .btn{margin-top:10px}