:root{
  --blue:#103b5d; --blue2:#0c2d46; --gold:#b58b2a; --bg:#f4f7fb; --card:#ffffff; --ink:#172334; --muted:#667085; --good:#0f7a48; --bad:#b42318; --line:#d9e2ec; --shadow:0 12px 30px rgba(16,59,93,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);line-height:1.45;padding-bottom:86px}
.hero{background:linear-gradient(135deg,var(--blue),#1a5a83);color:#fff;padding:18px 16px 20px;display:flex;gap:16px;align-items:center;box-shadow:var(--shadow)}
.logos{display:flex;gap:10px;align-items:center;flex:0 0 auto;background:rgba(255,255,255,.96);padding:8px;border-radius:18px;max-width:175px}
.logos img{max-height:58px;max-width:74px;object-fit:contain}
.hero h1{margin:.1rem 0;font-size:clamp(1.35rem,4.5vw,2.35rem);line-height:1.1}.hero p{margin:.25rem 0}.eyebrow{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;opacity:.9}.attempt{margin-top:8px;background:rgba(255,255,255,.14);padding:8px 10px;border:1px solid rgba(255,255,255,.25);border-radius:12px;display:inline-block;font-size:.9rem}
.topbar{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);display:flex;gap:8px;overflow-x:auto;padding:9px max(10px,env(safe-area-inset-left)) 9px max(10px,env(safe-area-inset-right));box-shadow:0 8px 20px rgba(16,59,93,.1)}
button,.fileLabel{border:0;border-radius:999px;padding:11px 15px;font-weight:750;cursor:pointer;white-space:nowrap;font-size:.92rem;display:inline-flex;align-items:center;justify-content:center;min-height:42px}.small{font-size:.86rem;padding:9px 12px}.primary{background:var(--blue);color:#fff}.accent{background:var(--gold);color:#111}.ghost{background:#eef4fa;color:var(--blue);border:1px solid #d4e3ef}.danger{background:#fee4e2;color:var(--bad)}.success{background:#dcfae6;color:#05603a}button:disabled{opacity:.55;cursor:not-allowed}.fileLabel input{display:none}
main{width:min(1060px,100%);margin:18px auto;padding:0 12px}.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:18px;margin:14px 0;box-shadow:var(--shadow)}.sectionTitle{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.sectionTitle h2{margin:0 0 8px}.sectionTitle span{font-weight:700;color:var(--blue);background:#eef4fa;padding:6px 10px;border-radius:999px;font-size:.86rem}.grid{display:grid;gap:12px}.two{grid-template-columns:repeat(2,minmax(0,1fr))}label{font-weight:700;color:#344054}input,select{width:100%;margin-top:6px;border:1px solid #cbd5e1;border-radius:14px;padding:12px 13px;font:inherit;background:#fff;color:var(--ink)}input:focus,select:focus{outline:3px solid rgba(181,139,42,.22);border-color:var(--gold)}.note{color:var(--muted);font-size:.95rem}.studyGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.study article{border:1px solid #e6eef5;background:#fbfdff;border-radius:18px;padding:14px}.study h3{margin:.1rem 0 .35rem;color:var(--blue)}
.meter{height:12px;background:#e6eef5;border-radius:999px;overflow:hidden}.meter div{height:100%;width:0%;background:linear-gradient(90deg,var(--gold),var(--blue));transition:width .25s}.quiz{display:grid;gap:14px}.qcard{background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px;box-shadow:0 6px 20px rgba(16,59,93,.08)}.qtop{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}.tag{font-size:.75rem;font-weight:800;color:var(--blue);background:#eef4fa;border-radius:999px;padding:5px 8px;white-space:nowrap}.qcard h3{font-size:1rem;margin:.1rem 0 12px}.options{display:grid;gap:8px}.option{border:1px solid #d7e1ea;background:#fbfdff;border-radius:15px;padding:11px 12px;display:flex;gap:9px;align-items:flex-start;font-weight:600}.option input{width:auto;margin:3px 0 0;accent-color:var(--blue)}.numAnswer{max-width:280px}.results h2{margin-top:0}.score{font-size:2.1rem;font-weight:900;color:var(--blue)}.pill{display:inline-block;margin:4px 6px 4px 0;border-radius:999px;padding:6px 10px;font-weight:750;background:#eef4fa;color:#143a56}.topicRow{border-top:1px solid var(--line);padding:12px 0}.topicRow strong{display:block}.ok{color:var(--good)}.wrong{color:var(--bad)}.answerReview{border-top:1px solid var(--line);padding-top:12px;margin-top:12px}.answerItem{padding:10px;border-radius:14px;margin:8px 0;background:#fbfdff;border:1px solid #e6eef5}.hidden{display:none!important}#toast{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);background:#111827;color:#fff;padding:10px 14px;border-radius:999px;opacity:0;pointer-events:none;transition:.25s;z-index:60;max-width:92vw;text-align:center}#toast.show{opacity:1}footer{text-align:center;color:#667085;font-size:.84rem;padding:20px 12px 40px}
.printOnly{display:none}.actionRow{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.warn{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;border-radius:14px;padding:10px;margin-top:12px}

.instructions{background:#f8fbff;border:1px solid #d9e7f3;border-left:5px solid var(--blue);border-radius:16px;padding:12px 14px;margin:12px 0}.instructions h3{margin:.1rem 0 .35rem;color:var(--blue)}.instructions p{margin:.35rem 0}.pending{color:#9a3412!important;background:#fff7ed;border:1px solid #fed7aa;border-radius:14px;padding:10px}.ready{color:#05603a!important;background:#dcfae6;border:1px solid #abefc6;border-radius:14px;padding:10px}.summaryBox{border:1px solid var(--line);border-radius:18px;padding:14px;background:#fbfdff;margin:10px 0 16px}.score span{font-size:1rem;font-weight:800;color:var(--muted);margin-left:8px}button:disabled{filter:grayscale(.2)}
@media (max-width:680px){body{padding-bottom:96px}.hero{display:block;padding:14px 12px}.logos{margin-bottom:10px;max-width:100%;justify-content:center}.logos img{max-height:50px}.two,.studyGrid{grid-template-columns:1fr}.card{border-radius:18px;padding:14px;margin:12px 0}.topbar{position:fixed;top:auto;bottom:0;border-radius:18px 18px 0 0;align-items:center}.topbar button,.topbar .fileLabel{flex:0 0 auto}.qtop{display:block}.tag{display:inline-block;margin-bottom:8px}.option{font-size:.96rem}.sectionTitle{display:block}.sectionTitle span{display:inline-block;margin-bottom:8px}}
@media print{body{background:white;color:#111;padding:0}.hero,.topbar,.quiz,.intro,.study,.examHead,footer,#toast{display:none!important}main{width:100%;margin:0;padding:0}.card{box-shadow:none;border:0;border-radius:0}.results{display:block!important}.noPrint{display:none!important}.printOnly{display:block}.answerItem,.topicRow{break-inside:avoid}.score{color:#000}}
.linkButton{text-decoration:none;border-radius:999px;padding:11px 15px;font-weight:750;white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;min-height:42px}.studyAccess p{font-size:1.02rem}.studyPage{padding-bottom:40px}.studyMain{width:min(1160px,100%)}.unitHeader h2{margin-top:0}.responsiveTable{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:16px}.studyTable{width:100%;border-collapse:collapse;background:white;min-width:760px}.studyTable th{background:var(--blue);color:white;text-align:center;padding:10px;border:1px solid var(--blue2)}.studyTable td{vertical-align:top;padding:10px;border:1px solid var(--line)}.studyTable td:first-child{width:170px;font-weight:700}.studyTable ul{margin:0;padding-left:22px}.studyTable li{margin:4px 0}.studyTable.compact{min-width:640px}.studyBlocks h2{color:var(--blue);margin-top:0}.studyBlocks li{margin:7px 0}
.instructions{background:#f8fbff;border:1px solid #d9e7f3;border-left:5px solid var(--blue);border-radius:16px;padding:12px 14px;margin:12px 0}.instructions h3{margin:.1rem 0 .35rem;color:var(--blue)}.instructions p{margin:.35rem 0}.pending{color:#9a3412!important;background:#fff7ed;border:1px solid #fed7aa;border-radius:14px;padding:10px}.ready{color:#05603a!important;background:#dcfae6;border:1px solid #abefc6;border-radius:14px;padding:10px}.summaryBox{border:1px solid var(--line);border-radius:18px;padding:14px;background:#fbfdff;margin:10px 0 16px}.score span{font-size:1rem;font-weight:800;color:var(--muted);margin-left:8px}button:disabled{filter:grayscale(.2)}
@media (max-width:680px){.linkButton{font-size:.86rem;padding:9px 12px}.studyTable{font-size:.92rem;min-width:720px}.studyTable.compact{min-width:620px}.responsiveTable{border-radius:14px}.studyAccess .actionRow{display:grid;grid-template-columns:1fr}.studyAccess .actionRow>*{width:100%}}@media print{.studyPage .hero,.studyPage .topbar,.studyPage footer{display:none!important}.studyPage main{width:100%;padding:0}.responsiveTable{overflow:visible;border:0}.studyTable{min-width:0;font-size:10pt}.studyTable th{background:#eee!important;color:#111!important}.card{page-break-inside:avoid}}

.timerBadge{display:inline-flex;align-items:center;justify-content:center;min-height:42px;border-radius:999px;padding:9px 12px;background:#eef4fa;border:1px solid #d4e3ef;color:var(--blue);font-weight:850;white-space:nowrap}.timerDanger{background:#fee4e2!important;border-color:#fecdca!important;color:#b42318!important}.securityPanel{background:#f8fbff;border:1px solid #d9e7f3;border-left:5px solid var(--blue);border-radius:16px;padding:12px 14px;margin:12px 0;color:#344054}.securityPanel.active{background:#ecfdf3;border-color:#abefc6;border-left-color:var(--good)}.securityPanel.hasIncidents{background:#fff7ed;border-color:#fed7aa;border-left-color:#f97316}.securityReport ul{margin:8px 0 0;padding-left:22px}.securityReport li{margin:4px 0}.qcard input:disabled{opacity:.7}.qcard:has(input:disabled){background:#f8fafc}
@media (max-width:680px){.timerBadge{font-size:.86rem;padding:9px 12px}.securityPanel{font-size:.94rem}.topbar{gap:6px}}
@media print{.securityReport{break-inside:avoid}.securityPanel,.timerBadge{display:none!important}}
.preStart{border-style:dashed;text-align:center;background:#fbfdff}.preStart h2{margin-top:0;color:var(--blue)}


/* Ajuste móvil para barra de evaluación */
.topbar{align-items:center;flex-wrap:wrap;overflow-x:visible}
.topbar .timerBadge{margin-left:auto}
@media (max-width:680px){
  body{padding-bottom:150px}
  .topbar{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:7px;
    padding:10px max(10px,env(safe-area-inset-left)) calc(10px + env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-right));
    overflow:visible;
  }
  .topbar button,.topbar .timerBadge{
    width:100%;
    min-height:44px;
    padding:9px 8px;
    font-size:.82rem;
    white-space:normal;
    line-height:1.1;
    text-align:center;
  }
  .topbar .timerBadge{
    grid-column:1 / -1;
    margin-left:0;
    order:-1;
    font-size:.9rem;
  }
  #startBtn{grid-column:1 / -1; font-size:.92rem}
}
@media (max-width:380px){
  .topbar{grid-template-columns:1fr}
  body{padding-bottom:220px}
}