/* Universidad MAFISA — colores tomados del logo moderno (fondo negro, «mafisa» celeste). */
:root {
  --negro: #000c0c;
  --negro-2: #071717;
  --panel: #0e2222;
  --celeste: #65cfcb;          /* el del logo: sobre fondo oscuro */
  --celeste-osc: #007878;      /* el mismo tono, legible sobre fondo claro (AA) */
  --celeste-suave: #e3f6f5;
  --fondo: #f3f6f6;
  --tarjeta: #ffffff;
  --texto: #0d1f1f;
  --tenue: #5b6f6e;
  --linea: #d9e3e2;
  --ok: #138a52;
  --ok-suave: #e3f5ec;
  --mal: #c6372b;
  --mal-suave: #fbe9e7;
  --aviso: #b26a00;
  --radio: 16px;
  --sombra: 0 1px 2px rgba(0, 20, 20, .06), 0 6px 20px rgba(0, 20, 20, .07);
  --fuente-titulo: 'Exo 2', 'Barlow', system-ui, sans-serif;
  --fuente: 'Barlow', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--fondo); color: var(--texto); font: 17px/1.55 var(--fuente); min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1; width: 100%; max-width: 1080px; margin: 0 auto; padding: 20px 16px 48px; outline: none; }
img { max-width: 100%; height: auto; }
a { color: var(--celeste-osc); }
h1, h2, h3 { font-family: var(--fuente-titulo); line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(26px, 5vw, 38px); font-weight: 800; }
h2 { font-size: clamp(21px, 3.6vw, 28px); font-weight: 800; }
h3 { font-size: 19px; font-weight: 700; }
p { margin: 0 0 1em; }
.tenue { color: var(--tenue); }
.oculto { display: none !important; }
.cargando { padding: 60px 0; text-align: center; color: var(--tenue); }

/* ---------- barra superior ---------- */
.barra { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--negro); color: #fff; padding: 10px 16px; padding-top: max(10px, env(safe-area-inset-top)); border-bottom: 1px solid #123030; }
.marca { display: flex; align-items: center; gap: 10px; text-decoration: none; color: #fff; }
.marca img { height: 34px; width: auto; display: block; }
.marca-txt { font: italic 800 15px/1 var(--fuente-titulo); letter-spacing: .12em; text-transform: uppercase; color: var(--celeste); padding-left: 10px; border-left: 1px solid #2b4a4a; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav[hidden] { display: none; }
.nav a { color: #cfe3e2; text-decoration: none; font-weight: 600; font-size: 15px; padding: 8px 10px; border-radius: 10px; }
.nav a.activo, .nav a:hover { color: #fff; background: #123030; }
.yo { margin-left: 6px; background: var(--celeste); color: var(--negro); border: 0; border-radius: 999px; font: 700 14px var(--fuente); padding: 8px 12px; cursor: pointer; max-width: 160px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
@media (max-width: 640px) {
  .marca-txt { display: none; }
  .nav a[data-nav="examen"] { display: none; }
  .marca img { height: 30px; }
}

/* ---------- botones y campos ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 22px; border-radius: 12px; border: 0;
  background: var(--celeste-osc); color: #fff; font: 700 16px var(--fuente); text-decoration: none; cursor: pointer; transition: transform .08s, background .15s; }
.btn:hover { background: #006262; }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .5; cursor: default; }
.btn.claro { background: var(--celeste); color: var(--negro); }
.btn.claro:hover { background: #85dcd8; }
.btn.sec { background: transparent; color: var(--celeste-osc); box-shadow: inset 0 0 0 2px var(--celeste-osc); }
.btn.sec:hover { background: var(--celeste-suave); }
.btn.chico { min-height: 38px; padding: 0 14px; font-size: 14px; border-radius: 10px; }
.btn.ancho { width: 100%; }
.campo { display: block; margin: 0 0 14px; }
.campo > span { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.campo input, .campo select { width: 100%; min-height: 48px; border: 1.5px solid var(--linea); border-radius: 12px; padding: 0 14px; font: 500 17px var(--fuente); background: #fff; color: var(--texto); }
.campo input:focus, .campo select:focus { outline: none; border-color: var(--celeste-osc); box-shadow: 0 0 0 3px rgba(0, 120, 120, .15); }
.aviso-error { background: var(--mal-suave); color: var(--mal); border-radius: 10px; padding: 10px 14px; font-weight: 600; margin: 0 0 14px; }

/* ---------- entrada ---------- */
.entrada { display: grid; gap: 24px; align-items: center; grid-template-columns: 1fr; margin-top: 8px; }
@media (min-width: 860px) { .entrada { grid-template-columns: 1.1fr .9fr; margin-top: 32px; } }
.hero { position: relative; overflow: hidden; background: radial-gradient(120% 140% at 85% 0%, #0f3a3a 0%, var(--negro) 58%); color: #fff; border-radius: 22px; padding: 28px 24px; }
.hero::after { content: ''; position: absolute; inset: auto -40px -60px auto; width: 260px; height: 260px; border-radius: 50%; border: 26px solid rgba(101, 207, 203, .08); }
.hero .logo-grande { width: min(360px, 90%); display: block; margin-bottom: 18px; }
.hero h1 { color: #fff; }
.hero h1 em { color: var(--celeste); font-style: italic; }
.hero p { color: #c4dbda; max-width: 520px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; position: relative; z-index: 1; }
.chip { display: inline-flex; align-items: center; gap: 6px; background: rgba(101, 207, 203, .12); color: #d8f3f2; border: 1px solid rgba(101, 207, 203, .25); border-radius: 999px; padding: 5px 12px; font-size: 14px; font-weight: 600; }
.chip i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.caja { background: var(--tarjeta); border-radius: var(--radio); box-shadow: var(--sombra); padding: 22px; }
.buscador { position: relative; }
.lista-nombres { max-height: 280px; overflow: auto; border: 1.5px solid var(--linea); border-radius: 12px; margin: -6px 0 14px; }
.lista-nombres button { display: flex; width: 100%; justify-content: space-between; align-items: center; gap: 8px; text-align: left; border: 0; border-bottom: 1px solid var(--linea); background: #fff; padding: 12px 14px; font: 500 16px var(--fuente); cursor: pointer; color: var(--texto); }
.lista-nombres button:last-child { border-bottom: 0; }
.lista-nombres button:hover, .lista-nombres button.sel { background: var(--celeste-suave); }
.lista-nombres small { color: var(--tenue); font-weight: 600; }
.pin { display: flex; gap: 10px; margin: 6px 0 16px; }
.pin input { width: 58px; height: 64px; text-align: center; font: 800 28px var(--fuente-titulo); border: 1.5px solid var(--linea); border-radius: 14px; background: #fff; }
.pin input:focus { outline: none; border-color: var(--celeste-osc); box-shadow: 0 0 0 3px rgba(0, 120, 120, .15); }

/* ---------- portada del agente ---------- */
.saludo { display: grid; gap: 16px; grid-template-columns: 1fr; align-items: center; background: var(--negro); color: #fff; border-radius: 22px; padding: 22px; margin-bottom: 26px;
  background-image: radial-gradient(100% 160% at 100% 0%, #0f3a3a 0%, transparent 60%); }
@media (min-width: 720px) { .saludo { grid-template-columns: 1fr auto; padding: 28px 30px; } }
.saludo h1 { color: #fff; margin-bottom: .2em; }
.saludo p { color: #c4dbda; margin: 0; }
.anillo { --p: 0; width: 112px; height: 112px; border-radius: 50%; display: grid; place-items: center;
  background: conic-gradient(var(--celeste) calc(var(--p) * 1%), #1d3a3a 0); }
.anillo > div { width: 86px; height: 86px; border-radius: 50%; background: var(--negro); display: grid; place-items: center; text-align: center; }
.anillo b { font: 800 26px/1 var(--fuente-titulo); color: #fff; }
.anillo small { display: block; font-size: 11px; color: #9fc2c0; letter-spacing: .06em; text-transform: uppercase; margin-top: 2px; }
.sobretitulo { font: 800 12px var(--fuente-titulo); letter-spacing: .16em; text-transform: uppercase; color: var(--celeste-osc); margin-bottom: 6px; }
.saludo .sobretitulo, .hero .sobretitulo { color: var(--celeste); }
.rejilla { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); }
.curso { position: relative; display: flex; flex-direction: column; gap: 10px; background: var(--tarjeta); border-radius: var(--radio); box-shadow: var(--sombra); padding: 20px; text-decoration: none; color: var(--texto); border-top: 5px solid var(--c, var(--celeste)); transition: transform .12s, box-shadow .12s; }
a.curso:hover { transform: translateY(-2px); box-shadow: 0 2px 4px rgba(0, 20, 20, .08), 0 12px 28px rgba(0, 20, 20, .12); }
.curso .icono { width: 54px; height: 54px; border-radius: 14px; background: var(--negro); display: grid; place-items: center; }
.curso .icono svg { width: 34px; height: 34px; }
.curso h3 { margin: 0; font-size: 22px; }
.curso p { margin: 0; color: var(--tenue); font-size: 15.5px; }
.curso .pie-curso { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 14px; font-weight: 600; color: var(--tenue); }
.curso.bloq { opacity: .72; }
.barra-prog { height: 8px; border-radius: 99px; background: #e4eceb; overflow: hidden; }
.barra-prog i { display: block; height: 100%; width: 0; background: var(--c, var(--celeste-osc)); border-radius: 99px; transition: width .4s; }
.estado { display: inline-flex; align-items: center; gap: 5px; font-size: 12.5px; font-weight: 700; border-radius: 99px; padding: 3px 10px; background: #edf2f2; color: var(--tenue); }
.estado.ok { background: var(--ok-suave); color: var(--ok); }
.estado.curso-en { background: var(--celeste-suave); color: var(--celeste-osc); }
.estado.prox { background: #f2efe6; color: #8a6d1d; }
.examen-card { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; background: var(--tarjeta); border-radius: var(--radio); box-shadow: var(--sombra); padding: 20px 22px; border-left: 6px solid var(--negro); }
.examen-card h3 { margin: 0 0 4px; }
.examen-card p { margin: 0; color: var(--tenue); }

/* ---------- curso y lección ---------- */
.migas { display: flex; flex-wrap: wrap; gap: 6px; font-size: 14px; color: var(--tenue); margin-bottom: 14px; }
.migas a { color: var(--tenue); text-decoration: none; font-weight: 600; }
.migas a:hover { color: var(--celeste-osc); }
.cab-curso { display: flex; gap: 16px; align-items: center; background: var(--negro); color: #fff; border-radius: 22px; padding: 22px; margin-bottom: 20px; border-bottom: 5px solid var(--c, var(--celeste)); }
.cab-curso .icono { flex: none; width: 64px; height: 64px; border-radius: 16px; background: #0f2727; display: grid; place-items: center; }
.cab-curso .icono svg { width: 42px; height: 42px; }
.cab-curso h1 { color: #fff; margin: 0 0 4px; }
.cab-curso p { color: #c4dbda; margin: 0; }
.indice { list-style: none; margin: 0 0 20px; padding: 0; display: grid; gap: 10px; }
.indice a { display: grid; grid-template-columns: 44px 1fr auto; gap: 12px; align-items: center; background: var(--tarjeta); border-radius: 14px; box-shadow: var(--sombra); padding: 12px 16px; text-decoration: none; color: var(--texto); }
.indice a:hover { box-shadow: 0 0 0 2px var(--celeste-osc); }
.indice .n { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: #eef3f3; font: 800 17px var(--fuente-titulo); color: var(--tenue); }
.indice .visto .n { background: var(--ok-suave); color: var(--ok); }
.indice .t b { display: block; font-size: 16.5px; }
.indice .t small { color: var(--tenue); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: .05em; }
.indice .quiz a { background: var(--negro); color: #fff; }
.indice .quiz .n { background: var(--celeste); color: var(--negro); }
.indice .quiz small { color: #9fc2c0; }
.prog-lec { display: flex; gap: 4px; margin: 0 0 18px; }
.prog-lec i { flex: 1; height: 6px; border-radius: 9px; background: #dfe8e7; }
.prog-lec i.si { background: var(--c, var(--celeste-osc)); }
.leccion { background: var(--tarjeta); border-radius: 20px; box-shadow: var(--sombra); padding: 24px 22px; }
@media (min-width: 720px) { .leccion { padding: 34px 40px; } }
.leccion .etapa { display: inline-block; font: 800 12px var(--fuente-titulo); letter-spacing: .14em; text-transform: uppercase; color: var(--celeste-osc); background: var(--celeste-suave); border-radius: 99px; padding: 4px 10px; margin-bottom: 10px; }
.leccion .cuerpo { max-width: 720px; }
.leccion .cuerpo ul, .leccion .cuerpo ol { padding-left: 1.2em; }
.leccion .cuerpo li { margin-bottom: .35em; }
.leccion figure { margin: 18px 0; }
.leccion figure img, .leccion figure svg { display: block; width: 100%; border-radius: 14px; border: 1px solid var(--linea); background: #fff; }
.leccion figcaption { font-size: 14px; color: var(--tenue); margin-top: 6px; }
.tabla-wrap { overflow-x: auto; margin: 14px 0 18px; border-radius: 12px; border: 1px solid var(--linea); }
table { border-collapse: collapse; width: 100%; font-size: 15px; background: #fff; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--linea); vertical-align: top; }
th { background: #eef4f4; font-weight: 700; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
.claves { background: var(--negro); color: #e6f4f3; border-radius: 16px; padding: 18px 20px; margin: 22px 0 0; }
.claves h3 { color: var(--celeste); font-size: 16px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 8px; }
.claves ul { margin: 0; padding-left: 1.2em; }
.claves li { margin-bottom: .3em; }
.mostrador { display: flex; gap: 14px; background: #fff8e6; border: 1px solid #f1dfb0; border-radius: 16px; padding: 16px 18px; margin: 16px 0 0; }
.mostrador .ico { flex: none; font-size: 26px; line-height: 1; }
.mostrador b { display: block; color: #7a5300; margin-bottom: 4px; }
.mostrador p:last-child { margin-bottom: 0; }
.repaso { border: 2px dashed var(--linea); border-radius: 16px; padding: 18px; margin-top: 22px; }
.repaso h3 { font-size: 16px; margin-bottom: 10px; }
.navlec { display: flex; justify-content: space-between; gap: 12px; margin-top: 20px; }
.navlec .btn { flex: 1; max-width: 280px; }
@media (max-width: 640px) {
  .navlec.fija { position: sticky; bottom: 0; background: linear-gradient(transparent, var(--fondo) 30%); padding: 18px 0 max(10px, env(safe-area-inset-bottom)); margin-top: 6px; }
}

/* ---------- preguntas ---------- */
.preg .q { font: 700 19px/1.35 var(--fuente); margin-bottom: 14px; }
.preg .q small { display: block; font: 700 12.5px var(--fuente); letter-spacing: .08em; text-transform: uppercase; color: var(--tenue); margin-bottom: 6px; }
.preg .imgq { margin: 0 0 14px; border-radius: 12px; border: 1px solid var(--linea); max-height: 300px; object-fit: contain; background: #fff; }
.opc { display: grid; gap: 10px; }
.opc button { text-align: left; width: 100%; min-height: 54px; border: 1.5px solid var(--linea); background: #fff; border-radius: 14px; padding: 12px 16px; font: 500 16.5px/1.35 var(--fuente); color: var(--texto); cursor: pointer; display: flex; gap: 12px; align-items: center; }
.opc button .l { flex: none; width: 30px; height: 30px; border-radius: 9px; background: #eef3f3; display: grid; place-items: center; font: 800 14px var(--fuente-titulo); color: var(--tenue); }
.opc button:hover:not([disabled]) { border-color: var(--celeste-osc); }
.opc button.elegida { border-color: var(--celeste-osc); background: var(--celeste-suave); }
.opc button.ok { border-color: var(--ok); background: var(--ok-suave); }
.opc button.ok .l { background: var(--ok); color: #fff; }
.opc button.mal { border-color: var(--mal); background: var(--mal-suave); }
.opc button.mal .l { background: var(--mal); color: #fff; }
.opc button[disabled] { cursor: default; }
.expl { margin-top: 12px; padding: 12px 14px; border-radius: 12px; background: #f1f6f6; font-size: 15.5px; }
.expl b.ok { color: var(--ok); }
.expl b.mal { color: var(--mal); }
.quiz-caja { max-width: 720px; margin: 0 auto; }
.quiz-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-weight: 700; color: var(--tenue); font-size: 14px; margin-bottom: 8px; }
.resultado { text-align: center; padding: 10px 0 4px; }
.resultado .grande { font: 900 italic 64px/1 var(--fuente-titulo); }
.resultado .grande.ok { color: var(--ok); }
.resultado .grande.mal { color: var(--mal); }
.insignia { width: 120px; height: 120px; margin: 0 auto 10px; }
.revision { margin-top: 18px; display: grid; gap: 12px; text-align: left; }
.revision .caja { padding: 16px; }

/* ---------- certificado ---------- */
.cert { background: #fff; border-radius: 6px; padding: 40px 30px; text-align: center; max-width: 820px; margin: 0 auto; border: 10px solid var(--negro); outline: 3px solid var(--celeste); outline-offset: -18px; }
.cert img { width: 240px; }
.cert h2 { font-size: 30px; margin: 18px 0 6px; }
.cert .nombre { font: italic 900 clamp(28px, 5vw, 44px)/1.1 var(--fuente-titulo); color: var(--celeste-osc); margin: 10px 0 14px; }
@media print {
  .barra, .pie, .no-imprimir { display: none !important; }
  body, main { background: #fff; padding: 0; }
}

/* ---------- tablero ---------- */
.kpis { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); margin: 0 0 20px; }
.kpi { background: var(--tarjeta); border-radius: 14px; box-shadow: var(--sombra); padding: 14px 16px; }
.kpi b { display: block; font: 800 28px/1.1 var(--fuente-titulo); }
.kpi span { color: var(--tenue); font-size: 14px; font-weight: 600; }
.celda-av { min-width: 92px; }
.celda-av .barra-prog { height: 6px; margin-top: 4px; }
.mini { font-size: 12.5px; color: var(--tenue); }

/* ---------- pie ---------- */
.pie { background: var(--negro); color: #a8c4c3; text-align: center; padding: 22px 16px max(22px, env(safe-area-inset-bottom)); font-size: 14px; display: grid; gap: 6px; justify-items: center; }
.pie .tenue { color: #6f9190; }

.anim-entra { animation: entra .22s ease-out; }
@keyframes entra { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }
:focus-visible { outline: 3px solid var(--celeste-osc); outline-offset: 2px; }