*{box-sizing:border-box}body{margin:0;background:#f3f5f7;color:#1d2939;font-family:Arial,Helvetica,sans-serif}.contenedor{max-width:960px;margin:30px auto;padding:24px}.encabezado{display:flex;justify-content:space-between;gap:20px;align-items:center;background:#123b65;color:white;padding:26px;border-radius:16px}.institucion{font-weight:700;margin:0 0 8px}.encabezado h1{margin:0 0 6px}.encabezado p{margin:3px 0}.valor{font-size:1.25rem;font-weight:800;background:white;color:#123b65;padding:14px 18px;border-radius:12px;white-space:nowrap}.datos,.serie,.resultado{background:white;margin-top:18px;padding:22px;border-radius:14px;box-shadow:0 4px 16px #00000010}.datos{display:grid;grid-template-columns:1fr 1fr;gap:16px}.datos label{font-weight:700}.datos input{display:block;width:100%;margin-top:7px;padding:11px;border:1px solid #aeb8c4;border-radius:8px}.serie h2{display:flex;justify-content:space-between;gap:12px;color:#123b65;border-bottom:2px solid #e5eaf0;padding-bottom:10px}.serie h2 span{font-size:.9rem;color:#475467}.instruccion{color:#475467}.pregunta{padding:16px 0;border-bottom:1px solid #eaecf0}.pregunta:last-child{border-bottom:0}.pregunta p{font-weight:700;line-height:1.45}.opciones{display:flex;gap:18px;flex-wrap:wrap}.opciones label{background:#f8fafc;border:1px solid #d0d5dd;padding:10px 14px;border-radius:8px;cursor:pointer}.respuesta-texto{width:100%;max-width:520px;padding:11px;border:1px solid #aeb8c4;border-radius:8px}button{border:0;border-radius:10px;padding:13px 20px;font-size:1rem;font-weight:700;cursor:pointer}#calificar{display:block;margin:24px auto;background:#123b65;color:white;min-width:240px}#imprimir{background:#344054;color:white}.resultado{text-align:center;border:2px solid #123b65}.nota{font-size:2.3rem;font-weight:900;color:#123b65;margin:14px}.resumen{display:flex;justify-content:center;gap:28px;flex-wrap:wrap}.privacidad{font-size:.9rem;color:#667085}.aviso{background:#fff4e5;border:1px solid #f5c26b;padding:13px;border-radius:10px;margin-top:18px}@media(max-width:650px){.contenedor{padding:12px;margin:10px auto}.encabezado{display:block}.valor{display:inline-block;margin-top:12px}.datos{grid-template-columns:1fr}.serie h2{display:block}.serie h2 span{display:block;margin-top:5px}}@media print{body{background:white}.contenedor{margin:0;max-width:none}.serie,.datos,#calificar,.aviso,#imprimir{display:none!important}.resultado{box-shadow:none}.encabezado{background:white;color:black;border:1px solid #999}.valor{color:black;border:1px solid #999}}
.cabecera-derecha{display:flex;flex-direction:column;gap:9px;align-items:center}
.temporizador{font-size:1.35rem;font-weight:900;background:#fff;color:#b42318;padding:10px 18px;border-radius:12px;min-width:105px;text-align:center}
.temporizador.alerta{animation:pulso 1s infinite}
@keyframes pulso{50%{opacity:.55}}