/* Motor de evaluación · misma paleta del portal "Formación en IA y Aplicaciones".
   Para una instancia de cliente se cambian solo las variables de :root. */
:root {
    --bg: #0f172a;
    --surface: rgba(255, 255, 255, 0.05);
    --surface-solida: #1e293b;
    --text: #f8fafc;
    --muted: #94a3b8;
    --border: rgba(255, 255, 255, 0.1);
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --accent: #10b981;
    --ok: #6ee7b7;
    --ok-bg: rgba(16, 185, 129, 0.15);
    --bad: #fca5a5;
    --bad-bg: rgba(239, 68, 68, 0.15);
    --warn-bg: rgba(245, 158, 11, 0.12);
    --radius: 18px;
}
* { box-sizing: border-box; }
body {
    margin: 0; min-height: 100vh; color: var(--text); line-height: 1.55;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg);
    background-image:
        radial-gradient(circle at 15% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 85% 30%, rgba(16, 185, 129, 0.15) 0%, transparent 50%);
    background-attachment: fixed;
}
.wrap { max-width: 860px; margin: 0 auto; padding: 24px 16px 48px; }
.wrap.ancho { max-width: 1100px; }
header.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
header.top .marca { font-weight: 700; background: linear-gradient(135deg, #60a5fa, #34d399); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
h1 { font-size: 1.7rem; margin: 0 0 6px; background: linear-gradient(135deg, #60a5fa, #34d399); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1.25; }
h2 { font-size: 1.2rem; margin: 0 0 12px; color: var(--text); }
.muted { color: var(--muted); }
.card {
    background: var(--surface); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 18px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5); animation: aparecer .5s ease-out;
}
@keyframes aparecer { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
label { display: block; font-weight: 600; margin: 12px 0 6px; }
input[type=text], input[type=email], input[type=number], select, textarea {
    width: 100%; padding: 11px 13px; border: 1px solid var(--border); border-radius: 12px;
    background: rgba(0, 0, 0, 0.3); color: var(--text); font: inherit;
}
select option { background: var(--surface-solida); }
textarea { min-height: 220px; font-family: Consolas, monospace; font-size: 0.88rem; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); border-color: transparent; }
button, .btn {
    display: inline-block; background: var(--primary); color: #fff; border: none; border-radius: 12px;
    padding: 11px 20px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.39);
    transition: background .2s, transform .15s, box-shadow .2s;
}
button:hover, .btn:hover { background: var(--primary-hover); transform: translateY(-2px); }
button:active { transform: scale(0.96); }
button:disabled { opacity: 0.55; cursor: default; transform: none; }
button.sec { background: transparent; color: #93c5fd; border: 1px solid rgba(96, 165, 250, 0.6); box-shadow: none; }
button.sec:hover { background: rgba(59, 130, 246, 0.12); }
button.peligro { background: #dc2626; box-shadow: 0 4px 14px 0 rgba(220, 38, 38, 0.35); }
button.mini { padding: 6px 11px; font-size: 0.85rem; }
.fila { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.aviso { padding: 12px 15px; border-radius: 12px; margin: 12px 0; }
.aviso.ok { background: var(--ok-bg); color: var(--ok); }
.aviso.error { background: var(--bad-bg); color: var(--bad); }
.aviso.info { background: var(--warn-bg); color: #fcd34d; }
.aviso strong { color: var(--text); }
.oculto { display: none !important; }

/* Pregunta */
.progreso { height: 8px; background: rgba(255, 255, 255, 0.08); border-radius: 99px; overflow: hidden; margin: 10px 0 18px; }
.progreso > div { height: 100%; width: 0; background: linear-gradient(90deg, #3b82f6, #10b981); transition: width .5s ease; }
.opcion {
    display: flex; gap: 10px; align-items: flex-start; border: 1px solid var(--border); border-radius: 12px;
    padding: 13px 15px; margin: 9px 0; cursor: pointer; background: rgba(255, 255, 255, 0.04);
    color: var(--muted); transition: border-color .2s, color .2s, transform .15s;
}
.opcion:hover { border-color: var(--primary); color: var(--text); transform: translateX(3px); }
.opcion:has(input:checked) { border-color: var(--primary); color: var(--text); background: rgba(59, 130, 246, 0.12); }
.opcion input { margin-top: 4px; accent-color: var(--accent); }
.opcion.correcta, .opcion.correcta:has(input:checked) { border-color: var(--accent); background: var(--ok-bg); color: var(--text); animation: brillo .6s ease; }
.opcion.incorrecta, .opcion.incorrecta:has(input:checked) { border-color: #ef4444; background: var(--bad-bg); color: var(--text); animation: sacudir .4s ease; }
@keyframes brillo { 0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); } 100% { box-shadow: 0 0 0 12px rgba(16, 185, 129, 0); } }
@keyframes sacudir { 0%, 100% { transform: none; } 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }
.nota-q { font-size: 0.86rem; color: var(--muted); }
.puntaje { font-size: 3.2rem; font-weight: 800; background: linear-gradient(135deg, #60a5fa, #34d399); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; animation: latir 1.2s ease 1; }
@keyframes latir { 0% { transform: scale(0.6); opacity: 0; } 60% { transform: scale(1.1); opacity: 1; } 100% { transform: scale(1); } }

/* Panel */
table { width: 100%; border-collapse: collapse; font-size: 0.93rem; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
td { color: #cbd5e1; }
.tabla-wrap { overflow-x: auto; }
.chip { display: inline-block; padding: 2px 10px; border-radius: 99px; font-size: 0.8rem; font-weight: 600; background: rgba(148, 163, 184, 0.15); color: var(--muted); }
.chip.ok { background: var(--ok-bg); color: var(--ok); }
.codigo { font-family: Consolas, monospace; font-weight: 700; letter-spacing: 0.06em; color: #93c5fd; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; border-bottom: 1px solid var(--border); padding-bottom: 12px; }
.tabs button { background: transparent; color: var(--muted); border: none; box-shadow: none; }
.tabs button:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); transform: none; }
.tabs button.activo { background: var(--primary); color: #fff; box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.39); }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 14px; }
.kpi { background: rgba(255, 255, 255, 0.04); border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; color: var(--muted); }
.kpi b { display: block; font-size: 1.6rem; color: var(--text); }
details summary { cursor: pointer; color: #93c5fd; }
.sonido-toggle { background: transparent; border: 1px solid var(--border); box-shadow: none; color: var(--muted); padding: 5px 10px; font-size: 0.85rem; }
.sonido-toggle:hover { transform: none; background: rgba(255, 255, 255, 0.05); }
footer { text-align: center; color: var(--muted); font-size: 0.85rem; margin-top: 30px; }

/* Confeti */
.confeti { position: fixed; top: -12px; width: 9px; height: 14px; border-radius: 2px; pointer-events: none; z-index: 50; animation: caer linear forwards; }
@keyframes caer { to { transform: translateY(105vh) rotate(720deg); opacity: 0.9; } }

@media (max-width: 600px) { .card { padding: 17px; } h1 { font-size: 1.4rem; } .puntaje { font-size: 2.6rem; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }

/* Temas para reforzar */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.chip.tema { background: rgba(59, 130, 246, 0.15); color: #93c5fd; padding: 5px 12px; font-size: 0.9rem; }

/* Códigos recién creados */
.fila-nueva td { background: rgba(16, 185, 129, 0.08); }

/* Códigos de grupo */
.chip.aviso-chip { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.proyectar { position: fixed; inset: 0; z-index: 50; background: rgba(8, 12, 24, 0.96); display: flex; align-items: center; justify-content: center; text-align: center; padding: 24px; }
.proyectar.oculto { display: none; }
.proyectar .pr-titulo { font-size: 1.4rem; font-weight: 600; margin-bottom: 18px; }
.proyectar .pr-enlace { font-size: clamp(1.1rem, 3vw, 2rem); word-break: break-all; margin: 4px 0 22px; }
.proyectar .pr-codigo { font-family: ui-monospace, Consolas, monospace; font-size: clamp(3rem, 14vw, 9rem); letter-spacing: 0.12em; font-weight: 700; color: var(--primary); margin: 4px 0 22px; }

/* Reporte */
.barra-tema { display: inline-block; width: 120px; height: 10px; border-radius: 5px; background: rgba(148, 163, 184, 0.25); vertical-align: middle; margin-right: 8px; overflow: hidden; }
.barra-tema i { display: block; height: 100%; background: #f59e0b; }
.reporte h2 { margin-top: 22px; }
@media print {
    header.top, footer, .no-print, .proyectar { display: none !important; }
    body, .wrap, .card { background: #fff !important; color: #000 !important; box-shadow: none !important; border: none !important; }
    .reporte * { color: #000 !important; }
    .reporte .kpi { border: 1px solid #999 !important; background: #fff !important; }
    .reporte table { border-collapse: collapse; width: 100%; }
    .reporte th, .reporte td { border-bottom: 1px solid #ccc !important; }
    .barra-tema { background: #ddd !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .barra-tema i { background: #555 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .tabla-wrap { overflow: visible !important; }
}

/* Código personal recién creado: siempre en una línea */
#nuevo-codigo { white-space: nowrap; font-size: clamp(1.8rem, 10vw, 3rem); letter-spacing: 0.06em; }

/* Mode banner in "Participantes y códigos" */
.modo-info { padding: 12px 15px; border-radius: 12px; margin: 0 0 12px; border-left: 5px solid; line-height: 1.5; }
.modo-info .modo-titulo { font-size: 1.05rem; margin-bottom: 4px; color: var(--text); }
.modo-info.practica { background: rgba(59,130,246,0.12); border-color: #60a5fa; }
.modo-info.examen { background: rgba(245,158,11,0.12); border-color: #f59e0b; }
.modo-info.ruta { background: rgba(16,185,129,0.12); border-color: #34d399; }
.modo-info.oculto { display: none; }