/* ==========================================================
   Capacitación de Mantenimiento — estilos de la plataforma
   ========================================================== */
@font-face { font-family: "Inter"; font-weight: 400; font-style: normal; font-display: swap; src: url(../fonts/Inter-Regular.woff) format("woff"); }
@font-face { font-family: "Inter"; font-weight: 400; font-style: italic; font-display: swap; src: url(../fonts/Inter-Italic.woff) format("woff"); }
@font-face { font-family: "Inter"; font-weight: 500; font-display: swap; src: url(../fonts/Inter-Medium.woff) format("woff"); }
@font-face { font-family: "Inter"; font-weight: 600; font-display: swap; src: url(../fonts/Inter-SemiBold.woff) format("woff"); }
@font-face { font-family: "Inter"; font-weight: 700; font-display: swap; src: url(../fonts/Inter-Bold.woff) format("woff"); }
@font-face { font-family: "Inter Display"; font-weight: 700; font-display: swap; src: url(../fonts/InterDisplay-Bold.woff) format("woff"); }
@font-face { font-family: "Inter Display"; font-weight: 800; font-display: swap; src: url(../fonts/InterDisplay-ExtraBold.woff) format("woff"); }
@font-face { font-family: "Mono"; font-weight: 400; font-display: swap; src: url(../fonts/DejaVuSansMono.woff) format("woff"); }

:root {
  --bg: #F3F4F6;
  --sup: #FFFFFF;
  --sup-2: #F8F9FB;
  --tinta: #141A23;
  --suave: #5A6372;
  --linea: #DDE2E9;
  --marino: #0E2A47;
  --marino-2: #163B61;
  --amarillo: #F5B301;
  --amarillo-2: #FFF4D1;
  --azul: #1D63D6;
  --azul-2: #E8F0FD;
  --verde: #16804F;
  --verde-2: #E4F4EC;
  --rojo: #C2372C;
  --rojo-2: #FCE9E7;
  --naranja: #D9770A;
  --sombra: 0 1px 2px rgba(14, 42, 71, .06), 0 4px 16px rgba(14, 42, 71, .06);
  --radio: 14px;
  --display: "Inter Display", "Inter", system-ui, sans-serif;
  --texto: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "Mono", ui-monospace, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0C121A; --sup: #141C27; --sup-2: #19222F; --tinta: #E8ECF2; --suave: #9AA5B5; --linea: #263243;
    --marino: #0A1F36; --marino-2: #17395E; --amarillo-2: #3A2F0C; --azul: #6EA3F5; --azul-2: #13284A;
    --verde: #4CC38A; --verde-2: #0F2E21; --rojo: #F07D73; --rojo-2: #3A1714; --naranja: #F2A24A;
    --sombra: 0 1px 2px rgba(0,0,0,.3), 0 6px 20px rgba(0,0,0,.25);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--tinta); font: 400 17px/1.6 var(--texto); min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1; }
a { color: var(--azul); }
h1, h2, h3 { font-family: var(--display); line-height: 1.2; letter-spacing: -.01em; }
h1 { font-size: clamp(1.6rem, 4.5vw, 2.3rem); font-weight: 800; margin: .2em 0 .4em; }
h2 { font-size: 1.3rem; font-weight: 700; margin: 0 0 .5em; }
code { font-family: var(--mono); font-size: .88em; background: var(--sup-2); border: 1px solid var(--linea); border-radius: 6px; padding: .05em .35em; }
img { max-width: 100%; }
.suave { color: var(--suave); }
.chico { font-size: .85rem; }
.bloque { display: block; }
.centro { text-align: center; }
.ok { color: var(--verde); }
.mal { color: var(--rojo); }
.pend { color: var(--naranja); }

/* ---------- Barra superior ---------- */
.barra { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .55rem max(16px, env(safe-area-inset-left)); background: var(--marino); color: #fff; box-shadow: 0 2px 0 var(--amarillo); }
.marca { display: flex; align-items: center; gap: .6rem; color: #fff; text-decoration: none; font-family: var(--display); font-size: 1.05rem; line-height: 1.1; }
.marca b { font-weight: 800; color: var(--amarillo); }
.barra-nav { display: flex; align-items: center; gap: .25rem; }
.barra-nav > a { color: #D5DEEA; text-decoration: none; font-weight: 600; font-size: .93rem; padding: .45rem .7rem; border-radius: 8px; }
.barra-nav > a:hover, .barra-nav > a.act { background: rgba(255,255,255,.1); color: #fff; }
.menu-usuario { position: relative; }
.menu-usuario summary { list-style: none; cursor: pointer; }
.menu-usuario summary::-webkit-details-marker { display: none; }
.avatar { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--amarillo); color: var(--marino); font-weight: 800; margin-left: .3rem; }
.menu-caja { position: absolute; right: 0; top: calc(100% + 8px); min-width: 210px; background: var(--sup); color: var(--tinta); border: 1px solid var(--linea); border-radius: 12px; box-shadow: var(--sombra); padding: .4rem; }
.menu-caja a { display: block; padding: .55rem .7rem; color: var(--tinta); text-decoration: none; border-radius: 8px; font-size: .95rem; }
.menu-caja a:hover { background: var(--sup-2); }
.menu-nombre { padding: .5rem .7rem .6rem; border-bottom: 1px solid var(--linea); margin-bottom: .3rem; font-weight: 700; }
.menu-nombre small { display: block; font-weight: 400; color: var(--suave); }
@media (max-width: 560px) { .marca span { font-size: .92rem; } .marca span b { display: block; } .barra-nav > a { padding: .4rem .5rem; font-size: .85rem; } }

/* ---------- Contenedores ---------- */
.contenedor { width: 100%; max-width: 1080px; margin: 0 auto; padding: 1.4rem 16px 3rem; }
.contenedor.medio { max-width: 820px; }
.contenedor.angosto { max-width: 520px; }
.contenedor.ancho { max-width: 1320px; }
.tarjeta { background: var(--sup); border: 1px solid var(--linea); border-radius: var(--radio); box-shadow: var(--sombra); padding: 1.3rem; margin-bottom: 1.2rem; }
.tarjeta.sin-relleno { padding: 0; overflow: hidden; }
.titulo-seccion { margin: 2rem 0 .8rem; font-size: 1.15rem; text-transform: uppercase; letter-spacing: .06em; color: var(--suave); }
.vacio { text-align: center; padding: 3rem 1.3rem; }
.volver { display: inline-block; margin-bottom: .8rem; font-weight: 600; text-decoration: none; }

/* ---------- Botones ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; min-height: 44px; padding: .6rem 1.1rem; border-radius: 10px; border: 1.5px solid transparent;
  font: 600 .98rem/1.2 var(--texto); text-decoration: none; cursor: pointer; transition: transform .08s, background .15s, box-shadow .15s; text-align: center; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: wait; }
.btn-pri { background: var(--marino); color: #fff; }
.btn-pri:hover { background: var(--marino-2); }
@media (prefers-color-scheme: dark) { .btn-pri { background: var(--azul); color: #08121F; } .btn-pri:hover { filter: brightness(1.08); background: var(--azul); } }
.btn-acc { background: var(--amarillo); color: #1B1300; box-shadow: 0 2px 0 #C38E00; }
.btn-acc:hover { filter: brightness(1.05); }
.btn-sec { background: var(--sup); color: var(--tinta); border-color: var(--linea); }
.btn-sec:hover { border-color: var(--suave); }
.btn-peligro { background: var(--sup); color: var(--rojo); border-color: var(--rojo-2); }
.btn-peligro:hover { background: var(--rojo-2); }
.btn-wa { background: #1FA855; color: #fff; }
.btn-chico { min-height: 34px; padding: .35rem .7rem; font-size: .85rem; border-radius: 8px; }
.btn-bloque { width: 100%; }
.btn-grande { min-height: 54px; font-size: 1.08rem; padding: .8rem 1.6rem; }

/* ---------- Avisos ---------- */
.aviso { max-width: 1080px; margin: 1rem auto 0; padding: .8rem 1rem; border-radius: 10px; border: 1px solid; font-size: .95rem; }
main .aviso, .tarjeta .aviso { margin: 0 0 1rem; }
body > .aviso { margin: 1rem 16px 0; }
@media (min-width: 1112px) { body > .aviso { margin: 1rem auto 0; } }
.aviso-ok { background: var(--verde-2); border-color: color-mix(in srgb, var(--verde) 35%, transparent); color: var(--verde); }
.aviso-error { background: var(--rojo-2); border-color: color-mix(in srgb, var(--rojo) 35%, transparent); color: var(--rojo); }
.aviso-info { background: var(--azul-2); border-color: color-mix(in srgb, var(--azul) 30%, transparent); color: var(--tinta); }
.aviso a { margin-left: .4rem; font-weight: 600; }

/* ---------- Formularios ---------- */
.form { display: grid; gap: .9rem; }
.form label { display: grid; gap: .3rem; font-weight: 600; font-size: .93rem; }
input[type=text], input:not([type]), input[type=password], select, textarea {
  width: 100%; font: 400 16px/1.4 var(--texto); color: var(--tinta); background: var(--sup); border: 1.5px solid var(--linea); border-radius: 10px; padding: .7rem .8rem; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--azul); box-shadow: 0 0 0 3px var(--azul-2); }
textarea { resize: vertical; font-family: var(--mono); font-size: 14px; }
.form .check { display: flex; gap: .5rem; align-items: flex-start; font-weight: 400; }
.form .check input { margin-top: .3rem; }
input[type=file] { font-size: .95rem; }

/* ---------- Login ---------- */
.pag-login .barra { display: none; }
.login { display: grid; grid-template-columns: 1.1fr 1fr; min-height: calc(100vh - 60px); }
.login-hero { position: relative; overflow: hidden; background: var(--marino); color: #E6ECF4; padding: clamp(2rem, 6vw, 5rem); display: flex; flex-direction: column; justify-content: center; }
.login-hero::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 18px;
  background: repeating-linear-gradient(-45deg, var(--amarillo) 0 18px, #0B1A2C 18px 36px); }
.login-hero h1 { color: #fff; font-size: clamp(2rem, 5vw, 3.2rem); margin: 1rem 0 .6rem; }
.login-hero p { max-width: 30rem; font-size: 1.08rem; color: #C4D0DF; }
.login-caja { align-self: center; justify-self: center; width: min(420px, calc(100% - 32px)); margin: 2rem 0; }
@media (max-width: 820px) {
  .login { grid-template-columns: 1fr; }
  .login-hero { padding: 2rem 20px 2.6rem; }
  .login-hero h1 br { display: none; }
  .login-caja { margin: -1rem auto 2rem; position: relative; }
}

/* ---------- Inicio: hero de la semana ---------- */
.hero { position: relative; overflow: hidden; display: grid; grid-template-columns: 1fr auto; gap: 1.5rem; align-items: center;
  background: linear-gradient(135deg, var(--marino) 0%, var(--marino-2) 100%); color: #DCE5F0; border-radius: 18px; padding: clamp(1.4rem, 4vw, 2.4rem); box-shadow: var(--sombra); }
.hero::before { content: ""; position: absolute; right: -40px; top: -40px; width: 260px; height: 260px; border-radius: 50%;
  background: radial-gradient(circle, rgba(245,179,1,.18), transparent 70%); }
.hero::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 7px; background: var(--amarillo); }
.hero h1 { color: #fff; margin: .25rem 0 .3rem; }
.hero-semana { font-weight: 700; text-transform: uppercase; letter-spacing: .1em; font-size: .85rem; color: var(--amarillo); display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }
.hero-sub { font-size: 1.12rem; color: #fff; margin: 0 0 .5rem; font-weight: 500; }
.hero-desc { color: #B9C7D8; margin: 0 0 1.2rem; max-width: 46rem; }
.hero-acciones { display: flex; gap: .6rem; flex-wrap: wrap; }
.hero-prog { text-align: center; position: relative; z-index: 1; }
.anillo { --t: 120px; width: var(--t); height: var(--t); border-radius: 50%; display: grid; place-items: center;
  background: conic-gradient(var(--amarillo) calc(var(--p) * 1%), rgba(255,255,255,.12) 0); }
.anillo span { width: calc(var(--t) - 20px); height: calc(var(--t) - 20px); border-radius: 50%; background: var(--marino); display: grid; place-content: center; font-size: .78rem; color: #B9C7D8; line-height: 1.2; }
.anillo b { font: 800 1.6rem/1 var(--display); color: #fff; display: block; }
.hero-prog small { display: block; margin-top: .4rem; color: #B9C7D8; }
@media (max-width: 640px) { .hero { grid-template-columns: 1fr; } .hero-prog { display: flex; align-items: center; gap: 1rem; text-align: left; } .anillo { --t: 84px; } .anillo b { font-size: 1.2rem; } }

.insignia { display: inline-block; font: 700 .7rem/1 var(--texto); letter-spacing: .04em; text-transform: uppercase; padding: .35em .6em; border-radius: 999px; vertical-align: middle; }
.ins-activa { background: var(--amarillo); color: #1B1300; }
.ins-archivada { background: var(--azul-2); color: var(--azul); }
.ins-oculta { background: var(--sup-2); color: var(--suave); border: 1px solid var(--linea); }

/* ---------- Lista de capítulos ---------- */
.caps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: .9rem; }
.cap a { display: flex; gap: .9rem; height: 100%; padding: 1.05rem; background: var(--sup); border: 1px solid var(--linea); border-radius: var(--radio); text-decoration: none; color: inherit; box-shadow: var(--sombra); transition: border-color .15s, transform .15s; }
.cap a:hover { border-color: var(--azul); transform: translateY(-2px); }
.cap > span { display: flex; gap: .9rem; height: 100%; padding: 1.05rem; background: var(--sup-2); border: 1px dashed var(--linea); border-radius: var(--radio); color: inherit; cursor: not-allowed; }
.cap-bloq .cap-cuerpo { opacity: .6; }
.cap-bloq .cap-num { background: var(--sup); }
.cap-num { flex: none; display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--sup-2); border: 1.5px solid var(--linea); font: 800 1.15rem/1 var(--display); color: var(--marino); }
@media (prefers-color-scheme: dark) { .cap-num { color: var(--tinta); } }
.cap-hecho .cap-num { background: var(--verde); border-color: var(--verde); color: #fff; }
.cap-visto .cap-num { border-color: var(--amarillo); background: var(--amarillo-2); }
.cap-cuerpo { display: flex; flex-direction: column; gap: .2rem; min-width: 0; }
.cap-titulo { font-weight: 700; font-size: 1.04rem; line-height: 1.3; }
.cap-resumen { color: var(--suave); font-size: .9rem; line-height: 1.45; }
.cap-meta { display: flex; gap: .8rem; flex-wrap: wrap; font-size: .8rem; color: var(--suave); margin-top: auto; padding-top: .4rem; font-weight: 600; }

/* ---------- Tarjeta de examen ---------- */
.examen-card { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-top: 1.4rem; border-left: 6px solid var(--marino); }
.examen-card.aprobado { border-left-color: var(--verde); background: linear-gradient(90deg, var(--verde-2), var(--sup) 60%); }
.examen-card p { margin: 0; color: var(--suave); }
.examen-card .nota { font: 800 1.3rem var(--display); color: var(--verde); }
.candado { font-size: 1.8rem; opacity: .5; }
@media (max-width: 600px) { .examen-card { flex-direction: column; align-items: stretch; } .examen-acc .btn { width: 100%; } .candado { display: none; } }

.glosario summary { cursor: pointer; list-style: none; }
.glosario summary h2 { display: inline; margin: 0; }
.glosario summary::after { content: " ▾"; color: var(--suave); }
.glosario[open] summary::after { content: " ▴"; }
.glosario dl { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: .9rem 1.4rem; margin: 1rem 0 0; }
.glosario dt { font-weight: 700; }
.glosario dd { margin: 0; color: var(--suave); font-size: .92rem; }

.anteriores { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: .8rem; }
.anterior { display: flex; flex-direction: column; gap: .15rem; text-decoration: none; color: inherit; margin: 0; padding: 1rem; }
.anterior small { color: var(--suave); text-transform: uppercase; font-weight: 700; letter-spacing: .06em; font-size: .72rem; }
.anterior:hover { border-color: var(--azul); }

/* ---------- Capítulo ---------- */
.lectura-barra { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 40; pointer-events: none; }
.lectura-barra span { display: block; height: 100%; width: 0; background: var(--amarillo); }
.cap-layout { display: grid; grid-template-columns: 270px minmax(0, 1fr); gap: 2.2rem; max-width: 1180px; margin: 0 auto; padding: 1.5rem 16px 3rem; width: 100%; }
.cap-indice { position: sticky; top: 76px; align-self: start; max-height: calc(100vh - 96px); overflow: auto; font-size: .92rem; }
.indice-titulo { display: block; font-family: var(--display); margin: .2rem 0 .6rem; }
.cap-indice ol { list-style: none; margin: 0; padding: 0; display: grid; gap: .15rem; }
.cap-indice li a { display: flex; gap: .6rem; padding: .5rem .6rem; border-radius: 8px; color: var(--tinta); text-decoration: none; line-height: 1.3; }
.cap-indice li a span { flex: none; width: 22px; height: 22px; border-radius: 6px; display: grid; place-items: center; font-size: .75rem; font-weight: 700; background: var(--sup-2); border: 1px solid var(--linea); }
.cap-indice li.ok a span { background: var(--verde); border-color: var(--verde); color: #fff; }
.cap-indice li.act a { background: var(--sup); box-shadow: var(--sombra); font-weight: 700; }
.cap-indice li.act a span { background: var(--amarillo); border-color: var(--amarillo); color: #1B1300; }
.cap-indice li a:hover { background: var(--sup); }
.cap-indice li.bloq a { color: var(--suave); cursor: not-allowed; }
.cap-indice li.bloq a:hover { background: none; }
.btn-bloq { cursor: not-allowed; color: var(--suave); border-style: dashed; }
.cap-main { min-width: 0; max-width: 780px; }
.cap-migas { font-size: .82rem; font-weight: 700; color: var(--suave); text-transform: uppercase; letter-spacing: .06em; }
.cap-cabeza { padding-bottom: 1.2rem; margin-bottom: 1.6rem; border-bottom: 3px solid var(--linea); position: relative; }
.cap-cabeza::after { content: ""; position: absolute; left: 0; bottom: -3px; width: 90px; height: 3px; background: var(--amarillo); }
.cap-cabeza h1 { font-size: clamp(1.8rem, 5vw, 2.6rem); }
.cap-bajada { font-size: 1.1rem; color: var(--suave); margin: 0 0 1rem; }
@media (max-width: 960px) {
  .cap-layout { grid-template-columns: 1fr; gap: 0; padding-top: 1rem; }
  .cap-indice { position: static; max-height: none; overflow: visible; }
  .cap-indice ol, .indice-titulo { display: none; }
}

.cap-fin { margin-top: 1.4rem; display: grid; gap: 1.2rem; }
.pdf-grande { display: flex; align-items: center; gap: 1rem; padding: 1.1rem 1.2rem; border-radius: var(--radio); text-decoration: none; color: #fff;
  background: linear-gradient(135deg, var(--marino), var(--marino-2)); box-shadow: var(--sombra); border-bottom: 4px solid var(--amarillo); }
.pdf-grande:hover { filter: brightness(1.08); }
.pdf-grande b { display: block; font-size: 1.08rem; }
.pdf-grande small { color: #B9C7D8; }
.pdf-ico { flex: none; display: grid; place-items: center; width: 52px; height: 60px; border-radius: 6px 16px 6px 6px; background: #fff; color: var(--rojo); font: 800 .95rem var(--display); }
.cap-nav { display: flex; justify-content: space-between; gap: .8rem; flex-wrap: wrap; }
.cap-nav .btn { max-width: 100%; }
@media (max-width: 600px) { .cap-nav { flex-direction: column-reverse; } .cap-nav .btn { width: 100%; } }

/* ---------- Autoevaluación y examen ---------- */
.quiz { margin-top: 2.2rem; border-top: 5px solid var(--amarillo); }
.quiz-cabeza p { color: var(--suave); margin: 0 0 1rem; }
.preg { border: 1px solid var(--linea); border-radius: 12px; padding: 1rem; margin: 0 0 .9rem; background: var(--sup-2); }
.preg legend { display: contents; }
.preg legend > span:last-child { display: block; font-weight: 600; margin: 0 0 .7rem; }
.preg-n { float: left; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: var(--marino); color: #fff; font-weight: 700; font-size: .85rem; margin: 0 .6rem .4rem 0; }
@media (prefers-color-scheme: dark) { .preg-n { background: var(--azul); color: #08121F; } }
.opciones { display: grid; gap: .45rem; clear: both; }
.opc { position: relative; display: flex; gap: .65rem; align-items: flex-start; padding: .65rem .75rem; background: var(--sup); border: 1.5px solid var(--linea); border-radius: 10px; cursor: pointer; line-height: 1.4; font-size: .97rem; }
.opc input { position: absolute; opacity: 0; pointer-events: none; }
.opc-l { flex: none; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; border: 1.5px solid var(--linea); font-weight: 700; font-size: .8rem; color: var(--suave); }
.opc:hover { border-color: var(--suave); }
.opc:has(input:checked) { border-color: var(--azul); background: var(--azul-2); }
.opc:has(input:checked) .opc-l { background: var(--azul); border-color: var(--azul); color: #fff; }
.opc:has(input:focus-visible) { outline: 3px solid var(--azul-2); }
.preg.bien { border-color: color-mix(in srgb, var(--verde) 50%, transparent); }
.preg.mal { border-color: color-mix(in srgb, var(--rojo) 55%, transparent); background: var(--rojo-2); }
.opc.es-correcta { border-color: var(--verde); background: var(--verde-2); }
.opc.es-correcta .opc-l { background: var(--verde); border-color: var(--verde); color: #fff; }
.opc.es-elegida-mal { border-color: var(--rojo); }
.opc.es-elegida-mal .opc-l { background: var(--rojo); border-color: var(--rojo); color: #fff; }
.opc:has(input:disabled) { cursor: default; }
.preg-fb { margin-top: .7rem; font-size: .93rem; padding: .6rem .75rem; border-radius: 8px; background: var(--sup); border-left: 4px solid var(--suave); }
.preg.bien .preg-fb { border-left-color: var(--verde); }
.preg.mal .preg-fb { border-left-color: var(--rojo); }
.quiz-pie { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-top: 1rem; }
.quiz-cuenta { color: var(--suave); font-size: .9rem; font-weight: 600; }
.quiz-res { margin-top: 1rem; }
.resultado { display: flex; gap: 1.2rem; align-items: center; padding: 1.2rem; border-radius: 14px; border: 2px solid; }
.resultado.aprobado { border-color: var(--verde); background: var(--verde-2); }
.resultado.no-aprobado { border-color: var(--naranja); background: var(--amarillo-2); }
.resultado h3 { margin: 0 0 .2rem; font-size: 1.3rem; }
.resultado p { margin: 0 0 .8rem; }
.res-nota { flex: none; font: 800 3rem/1 var(--display); }
.res-nota small { font-size: 1.1rem; color: var(--suave); }
.aprobado .res-nota { color: var(--verde); }
.no-aprobado .res-nota { color: var(--naranja); }
.res-acc { display: flex; gap: .5rem; flex-wrap: wrap; }
@media (max-width: 520px) { .resultado { flex-direction: column; align-items: flex-start; } }
.examen-intro h1 { margin-bottom: .6rem; }
.examen-reglas { margin: 0; padding-left: 1.2rem; color: var(--suave); }
.examen { border-top-color: var(--marino); }

/* ---------- Certificado (vista previa) ---------- */
.cert-vista { margin: 1rem 0 1.5rem; }
.cert-hoja { position: relative; aspect-ratio: 1.414; background: #fff; color: #141A23; border-radius: 6px; box-shadow: var(--sombra);
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 5% 8% 5% 12%; overflow: hidden; font-size: clamp(.6rem, 1.8vw, 1rem); }
.cert-hoja::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4%; background: linear-gradient(90deg, #0E2A47 76%, #F5B301 76%); }
.cert-hoja p { margin: .3em 0; color: #5A6372; }
.cert-hoja img { width: 3.2em; height: 3.2em; }
.cert-org { font-weight: 800; color: #0E2A47; letter-spacing: .1em; text-transform: uppercase; font-size: .8em; margin-top: .3em; }
.cert-tit { font: 800 2em/1.1 var(--display); color: #0E2A47; margin: .5em 0 .6em; }
.cert-nombre { font: 800 2.1em/1.1 var(--display); margin: .1em 0 .2em; }
.cert-curso { font-weight: 700; color: #0E2A47; font-size: 1.25em; }
.cert-det { font-size: .85em; margin-top: 1em !important; }

/* ---------- Administración ---------- */
.admin-cabeza { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.2rem; }
.admin-cabeza h1 { margin: 0; }
.pestanas { display: flex; gap: .3rem; background: var(--sup); border: 1px solid var(--linea); border-radius: 12px; padding: .3rem; overflow-x: auto; }
.pestanas a { white-space: nowrap; padding: .5rem .9rem; border-radius: 9px; text-decoration: none; color: var(--suave); font-weight: 600; font-size: .93rem; }
.pestanas a.act { background: var(--marino); color: #fff; }
.filtro { display: flex; gap: .8rem; align-items: flex-end; flex-wrap: wrap; margin-bottom: 1rem; }
.filtro label { display: grid; gap: .3rem; font-weight: 600; font-size: .9rem; flex: 1 1 320px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .8rem; margin-bottom: 1.2rem; }
.stat { background: var(--sup); border: 1px solid var(--linea); border-radius: 12px; padding: .9rem 1rem; box-shadow: var(--sombra); }
.stat b { display: block; font: 800 1.8rem/1.1 var(--display); }
.stat span { color: var(--suave); font-size: .85rem; font-weight: 600; }
.stat-ok b { color: var(--verde); }
.tabla-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.tabla { width: 100%; border-collapse: collapse; font-size: .92rem; }
.tabla th { text-align: left; font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; color: var(--suave); background: var(--sup-2); padding: .7rem .8rem; border-bottom: 1px solid var(--linea); white-space: nowrap; }
.tabla td { padding: .65rem .8rem; border-bottom: 1px solid var(--linea); vertical-align: middle; }
.tabla tr:last-child td { border-bottom: 0; }
.tabla .c { text-align: center; }
.tabla .der { text-align: right; }
.tabla tr.inactivo td { opacity: .55; }
.acciones { white-space: nowrap; }
.acciones form, .en-linea { display: inline; }
.acciones .btn { margin: .1rem 0; }
.est { display: inline-block; white-space: nowrap; font-size: .78rem; font-weight: 700; padding: .25em .6em; border-radius: 999px; }
.est-aprobado { background: var(--verde-2); color: var(--verde); }
.est-desaprobado { background: var(--rojo-2); color: var(--rojo); }
.est-listo { background: var(--amarillo-2); color: var(--naranja); }
.est-cursando { background: var(--azul-2); color: var(--azul); }
.est-sin-empezar { background: var(--sup-2); color: var(--suave); }
.mini { display: inline-block; min-width: 38px; font-size: .8rem; font-weight: 700; padding: .15em .35em; border-radius: 6px; }
.mini.ok { background: var(--verde-2); color: var(--verde); }
.mini.flojo { background: var(--amarillo-2); color: var(--naranja); }
.mini.nada { color: var(--linea); }
.nota.ok { color: var(--verde); }
.nota.mal { color: var(--rojo); }
.grilla-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 0 1.2rem; }
.credenciales { border: 2px solid var(--amarillo); }
.credenciales .clave { font-size: 1.05em; font-weight: 700; background: var(--amarillo-2); }
.semanas-lista { display: grid; gap: .8rem; }
.semana-item { display: grid; grid-template-columns: auto 1fr; gap: .4rem 1rem; align-items: center; margin: 0; }
.semana-item.est-activa { border-left: 6px solid var(--amarillo); }
.semana-num { text-align: center; width: 64px; padding: .4rem 0; border-radius: 10px; background: var(--sup-2); border: 1px solid var(--linea); }
.semana-num small { display: block; font-size: .65rem; text-transform: uppercase; color: var(--suave); font-weight: 700; letter-spacing: .06em; }
.semana-num b { font: 800 1.6rem/1 var(--display); }
.semana-info h3 { margin: 0 0 .2rem; font-size: 1.1rem; }
.semana-info p { margin: 0; }
.semana-acc { grid-column: 1 / -1; display: flex; gap: .4rem; flex-wrap: wrap; padding-top: .5rem; border-top: 1px dashed var(--linea); }
.como-funciona { background: var(--amarillo-2); border-color: color-mix(in srgb, var(--amarillo) 50%, transparent); }
.pasos-mini { margin: 0; padding-left: 1.3rem; }
.pasos-mini li { margin: .25rem 0; }
.form-subida { grid-template-columns: 1fr; }

/* ---------- Pie ---------- */
.pie { display: flex; justify-content: space-between; gap: .5rem 1.5rem; flex-wrap: wrap; padding: 1.2rem 16px 1.6rem; font-size: .8rem; color: var(--suave); border-top: 1px solid var(--linea); max-width: 1320px; width: 100%; margin: 0 auto; }

/* ---------- Impresión (lista de credenciales) ---------- */
@media print {
  .barra, .pie, .pestanas, .btn, .admin-cabeza, .pag-admin main > :not(.credenciales) { display: none !important; }
  body { background: #fff; }
  .credenciales { box-shadow: none; border: 0; }
}