/* ══════════════════════════════════════════════════════════════
   Login y registro (propuestas/01-login y 02-registro).
   Escritorio: panel dividido. Móvil (< 900 px): cabecera roja y hoja blanca.
   Modo oscuro: clase "dm" en <html> (localStorage 'darkMode' = '1').
   ══════════════════════════════════════════════════════════════ */
:root {
  --rojo: #ce1118;
  --rojo-osc: #a00d12;
  --rosa: #ffcdd2;
  --degradado: linear-gradient(160deg, #1a0003 0%, #7b000a 50%, #ce1118 100%);
  --fondo: #ffffff;
  --texto: #212121;
  --texto-2: #424242;
  --texto-3: #616161;
  --texto-4: #757575;
  --borde: #e0e0e0;
  --campo: #fafafa;
  --suave: #f5f5f5;
  --pastilla: #f1f1f1;
  --ok: #1b7a3d;
  --ok-fondo: #e8f5ec;
  --err-fondo: #fdecea;
}
html.dm {
  --fondo: #161616;
  --texto: #f5f5f5;
  --texto-2: #e0e0e0;
  --texto-3: #bdbdbd;
  --texto-4: #9e9e9e;
  --borde: #333333;
  --campo: #0f0f0f;
  --suave: #222222;
  --pastilla: #262626;
  --ok: #5fd08a;
  --ok-fondo: #12301d;
  --err-fondo: #3a1214;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  color: var(--texto);
  background: var(--fondo);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--rojo); }
a:hover { color: var(--rojo-osc); }
html.dm a { color: #ff6b70; }
button, input { font: inherit; }
button:focus-visible, a:focus-visible, input[type=checkbox]:focus-visible {
  outline: 2px solid var(--rojo); outline-offset: 2px;
}
.oculto { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ── Estructura ── */
.acc { position: relative; min-height: 100vh; min-height: 100dvh; display: flex; flex-wrap: wrap; }

.acc-panel {
  flex: 1 1 480px;
  padding: 56px 64px;
  background: var(--degradado);
  color: #fff;
  display: flex; flex-direction: column; justify-content: space-between; gap: 48px;
}
.acc-logo { height: 72px; width: auto; align-self: flex-start; }
.acc-panel-cuerpo { display: flex; flex-direction: column; gap: 20px; max-width: 460px; }
.acc-ceja { font-size: 13px; font-weight: 700; letter-spacing: 1.4px; text-transform: uppercase; color: var(--rosa); }
.acc-panel h2 { margin: 0; font-size: 40px; line-height: 1.15; font-weight: 800; letter-spacing: -0.5px; }
.acc-panel p { margin: 0; font-size: 16px; line-height: 1.6; color: rgba(255,255,255,.88); }
.acc-lista { list-style: none; margin: 8px 0 0; padding: 0; display: flex; flex-direction: column; gap: 16px; }
.acc-lista li { display: flex; align-items: center; gap: 14px; font-size: 15px; color: rgba(255,255,255,.92); }
.acc-lista svg { color: var(--rosa); flex-shrink: 0; }
.acc-pie { font-size: 13px; color: rgba(255,255,255,.7); }
.acc-titulo-movil { display: none; }

/* Bloques "si eres docente / estudiante" del registro */
.acc-rol { display: flex; gap: 16px; align-items: flex-start; }
.acc-rol-ico { flex-shrink: 0; width: 44px; height: 44px; border-radius: 12px; background: rgba(255,255,255,.14); display: flex; align-items: center; justify-content: center; color: var(--rosa); }
.acc-rol strong { font-size: 18px; }
.acc-rol ul { margin: 8px 0 0; padding-left: 18px; display: flex; flex-direction: column; gap: 6px; font-size: 15px; line-height: 1.5; color: rgba(255,255,255,.9); }

.acc-main {
  flex: 1.3 1 520px;
  padding: 32px 48px 48px;
  display: flex; flex-direction: column; gap: 24px;
  background: var(--fondo);
}
.acc-barra { display: flex; justify-content: flex-end; align-items: center; gap: 12px; }
.acc-centro { flex: 1; display: flex; align-items: center; justify-content: center; }
.acc-caja { width: 100%; max-width: 400px; display: flex; flex-direction: column; gap: 22px; }
.acc-caja.ancha { max-width: 520px; }

/* ── Idioma y modo oscuro ── */
.idioma { display: flex; padding: 3px; background: var(--pastilla); border-radius: 999px; }
.idioma a {
  display: flex; align-items: center; justify-content: center;
  min-width: 44px; min-height: 36px; padding: 0 14px;
  border-radius: 999px; font-size: 13px; font-weight: 700; text-decoration: none; color: var(--texto-3);
}
.idioma a[aria-current="true"] { background: var(--texto); color: var(--fondo); }
html.dm .idioma a { color: var(--texto-3); }
html.dm .idioma a[aria-current="true"] { color: var(--fondo); }
.btn-luna {
  width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
  border: 1.5px solid var(--borde); border-radius: 999px; background: var(--fondo); color: var(--texto-3); cursor: pointer;
}
.btn-luna .ico-sol { display: none; }
html.dm .btn-luna .ico-sol { display: block; }
html.dm .btn-luna .ico-luna { display: none; }

/* ── Encabezado del formulario ── */
.acc-cabeza { display: flex; flex-direction: column; gap: 8px; }
.etiqueta {
  align-self: flex-start; background: var(--err-fondo); color: var(--rojo-osc);
  font-size: 12px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase;
  padding: 5px 10px; border-radius: 4px;
}
html.dm .etiqueta { color: #ff9a9e; }
.acc-cabeza h1 { margin: 4px 0 0; font-size: 32px; line-height: 1.2; font-weight: 800; letter-spacing: -0.4px; }
.acc-cabeza p { margin: 0; font-size: 15px; line-height: 1.5; color: var(--texto-3); }

/* ── Avisos ── */
.aviso {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 14px; border-radius: 10px; font-size: 14px; line-height: 1.5;
}
.aviso svg { flex-shrink: 0; margin-top: 1px; display: none; }
.aviso.error .ico-alerta, .aviso.info .ico-reloj, .aviso.ok .ico-check { display: block; }
.aviso.error { background: var(--err-fondo); color: var(--rojo-osc); }
html.dm .aviso.error { color: #ffb3b6; }
.aviso.info { background: var(--suave); color: var(--texto-2); }
.aviso.ok { background: var(--ok-fondo); color: var(--ok); }

/* ── Campos ── */
.form { display: flex; flex-direction: column; gap: 18px; }
.campo { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.campo label { font-size: 13px; font-weight: 600; color: var(--texto-2); }
.campo label .opc { font-weight: 500; color: var(--texto-4); }
.campo-caja { position: relative; }
.campo-caja > svg { position: absolute; left: 14px; top: 15px; color: #9e9e9e; pointer-events: none; }
.campo input {
  width: 100%; height: 48px; padding: 0 14px 0 44px;
  border: 1.5px solid var(--borde); border-radius: 8px;
  background: var(--campo); color: var(--texto); font-size: 15px;
}
.campo input::placeholder { color: #9e9e9e; }
html.dm .campo input::placeholder { color: #6b6b6b; }
.campo input:focus { outline: none; border-color: var(--rojo); background: var(--fondo); box-shadow: 0 0 0 3px rgba(206,17,24,.12); }
.campo input.con-ojo { padding-right: 48px; }
.campo input.mayus { text-transform: uppercase; letter-spacing: 1px; }
.campo input.mayus::placeholder { text-transform: none; letter-spacing: 0; }
html.dm .campo input[type=date] { color-scheme: dark; }
.btn-ojo {
  position: absolute; right: 2px; top: 2px; width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border: none; background: transparent; color: var(--texto-4); cursor: pointer;
}
.btn-ojo .ico-ojo-no { display: none; }
.btn-ojo[aria-pressed="true"] .ico-ojo-no { display: block; }
.btn-ojo[aria-pressed="true"] .ico-ojo { display: none; }
.ayuda { font-size: 13px; line-height: 1.45; color: var(--texto-4); }
.msg { font-size: 13px; line-height: 1.45; display: flex; align-items: center; gap: 6px; }
.msg:empty { display: none; }
.campo.invalido input { border-color: var(--rojo); }
.campo.invalido .msg { color: var(--rojo); }
html.dm .campo.invalido .msg { color: #ff8a8f; }
.campo.valido input { border-color: #43a047; }
.campo.valido .msg { color: var(--ok); }
.campo.comprobando .msg { color: var(--texto-4); }
.grupo { display: flex; flex-direction: column; gap: 6px; }
.fila-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }

.fila-entre { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.check { display: flex; align-items: center; gap: 8px; min-height: 32px; font-size: 14px; color: var(--texto-2); cursor: pointer; }
.check input { width: 18px; height: 18px; margin: 0; accent-color: var(--rojo); flex-shrink: 0; }
.check.arriba { align-items: flex-start; line-height: 1.5; }
.check.arriba input { margin-top: 2px; }
.check.invalido { color: var(--rojo); }
.link-fuerte { font-size: 14px; font-weight: 600; text-decoration: none; }

/* ── Botones ── */
.btn-primario {
  height: 50px; display: flex; align-items: center; justify-content: center; gap: 10px;
  border: none; border-radius: 8px; background: var(--rojo); color: #fff;
  font-size: 16px; font-weight: 700; cursor: pointer; box-shadow: 0 6px 16px rgba(206,17,24,.22);
}
.btn-primario:hover { background: var(--rojo-osc); }
.btn-primario:disabled { opacity: .65; cursor: progress; }
.btn-borde {
  height: 48px; display: flex; align-items: center; justify-content: center; gap: 10px;
  border: 1.5px solid var(--borde); border-radius: 8px; color: var(--texto);
  font-size: 15px; font-weight: 600; text-decoration: none; background: transparent;
}
.btn-borde:hover { border-color: var(--texto-4); color: var(--texto); }
html.dm .btn-borde { color: var(--texto); }
.giro { width: 18px; height: 18px; border: 2.5px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%; animation: giro .8s linear infinite; }
@keyframes giro { to { transform: rotate(360deg); } }

.separador { display: flex; align-items: center; gap: 12px; color: var(--texto-4); font-size: 13px; }
.separador::before, .separador::after { content: ''; flex: 1; height: 1px; background: var(--borde); }
.nota-codigo { display: flex; align-items: flex-start; gap: 12px; padding: 14px 16px; background: var(--suave); border-radius: 10px; }
.nota-codigo svg { color: var(--rojo); flex-shrink: 0; margin-top: 1px; }
.nota-codigo p { margin: 0; font-size: 14px; line-height: 1.5; color: var(--texto-2); }
.nota-codigo strong { color: var(--texto); }
.volver { align-self: center; display: flex; align-items: center; gap: 6px; min-height: 32px; font-size: 14px; font-weight: 600; text-decoration: none; color: var(--texto-3) !important; }
.centrado { margin: 0; text-align: center; font-size: 14px; color: var(--texto-3); }
.centrado a { font-weight: 700; text-decoration: none; }

/* ── Tarjetas de tipo de cuenta ── */
.roles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.rol {
  position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 8px;
  padding: 16px; text-align: left; border-radius: 12px; cursor: pointer; color: var(--texto);
  border: 2px solid var(--borde); background: var(--fondo);
}
.rol-ico { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; background: var(--pastilla); color: var(--texto-3); }
.rol strong { font-size: 16px; }
.rol .desc { font-size: 13px; line-height: 1.4; color: var(--texto-3); }
.rol .desc-corta { display: none; }
.rol .marca {
  position: absolute; top: 12px; right: 12px; width: 22px; height: 22px; border-radius: 999px;
  background: var(--rojo); color: #fff; display: none; align-items: center; justify-content: center;
}
.rol[aria-pressed="true"] { border-color: var(--rojo); background: #fff5f5; }
html.dm .rol[aria-pressed="true"] { background: #2a1012; }
.rol[aria-pressed="true"] .rol-ico { background: var(--rojo); color: #fff; }
.rol[aria-pressed="true"] .marca { display: flex; }

/* ── Ventana de términos ── */
.dialogo {
  width: min(560px, calc(100vw - 32px)); max-height: calc(100vh - 48px); overflow: auto;
  border: none; border-radius: 20px; padding: 28px; background: var(--fondo); color: var(--texto);
  box-shadow: 0 24px 60px rgba(0,0,0,.3);
}
.dialogo::backdrop { background: rgba(20,0,2,.55); }
.dialogo h2 { margin: 0 0 12px; font-size: 22px; font-weight: 800; }
.dialogo p { margin: 0 0 12px; font-size: 15px; line-height: 1.6; color: var(--texto-2); }
.dialogo form { margin-top: 20px; display: flex; justify-content: flex-end; }
.dialogo .btn-primario { padding: 0 28px; }

/* Lo que solo se muestra para un tipo de cuenta */
[data-solo] { display: none; }
.form[data-rol="docente"] [data-solo="docente"],
.form[data-rol="estudiante"] [data-solo="estudiante"] { display: revert; }
.form[data-rol="docente"] .fila-2[data-solo="docente"],
.form[data-rol="estudiante"] .fila-2[data-solo="estudiante"] { display: grid; }

/* ══════════════ Móvil ══════════════ */
@media (max-width: 899px) {
  .acc { flex-direction: column; flex-wrap: nowrap; }
  .acc-panel { flex: 0 0 auto; padding: 20px 24px 48px; gap: 20px; justify-content: flex-start; }
  .acc-logo { height: 36px; margin-top: 4px; }
  .acc-panel-cuerpo { gap: 6px; }
  .acc-panel h2, .acc-panel p, .acc-lista, .acc-pie, .acc-rol { display: none; }
  .acc-ceja { font-size: 12px; letter-spacing: 1.3px; }
  .acc-titulo-movil { display: block; font-size: 21px; line-height: 1.25; font-weight: 800; }

  .acc-main {
    flex: 1 0 auto; margin-top: -24px; border-radius: 24px 24px 0 0;
    padding: 28px 24px 24px; gap: 16px; position: static;
  }
  /* La barra de idioma y luna sube a la cabecera roja */
  .acc-barra { position: absolute; top: 20px; right: 24px; gap: 8px; }
  .idioma { background: rgba(255,255,255,.14); }
  .idioma a { min-width: 38px; min-height: 38px; padding: 0 10px; font-size: 12px; color: #fff; }
  .idioma a[aria-current="true"] { background: #fff; color: #7b000a; }
  html.dm .idioma a { color: #fff; }
  html.dm .idioma a[aria-current="true"] { color: #7b000a; }
  .btn-luna { border: none; background: rgba(255,255,255,.14); color: #fff; }

  .acc-centro { align-items: flex-start; }
  .acc-caja { gap: 16px; max-width: 520px; }
  .acc-cabeza { gap: 4px; }
  .acc-cabeza .etiqueta { display: none; }
  .acc-cabeza h1 { margin: 0; font-size: 26px; line-height: 1.25; letter-spacing: -0.3px; }
  .acc-cabeza p { font-size: 14px; line-height: 1.45; }

  .campo input { height: 52px; border-radius: 10px; font-size: 16px; }
  .campo-caja > svg { top: 17px; }
  .btn-ojo { right: 4px; top: 4px; }
  .btn-primario { height: 52px; border-radius: 10px; }
  .btn-borde { height: 50px; border-radius: 10px; }
  .nota-codigo { padding: 12px 14px; }
  .nota-codigo p { font-size: 13px; }
  .nota-codigo .texto-largo { display: none; }
  .volver { margin-top: auto; }

  .roles { gap: 12px; }
  .rol { padding: 14px; gap: 6px; }
  .rol-ico { width: 36px; height: 36px; }
  .rol strong { font-size: 15px; }
  .rol .desc { display: none; }
  .rol .desc-corta { display: block; font-size: 12.5px; line-height: 1.35; color: var(--texto-3); }
  .rol .marca { top: 10px; right: 10px; }
}
@media (min-width: 900px) {
  .nota-codigo .texto-corto { display: none; }
}
@media (max-width: 420px) {
  .fila-2 { grid-template-columns: 1fr; gap: 18px; }
  .form[data-rol="docente"] .fila-2[data-solo="docente"],
  .form[data-rol="estudiante"] .fila-2[data-solo="estudiante"] { display: grid; }
  .acc-barra { right: 16px; }
  .acc-panel { padding-left: 16px; padding-right: 16px; }
  .acc-main { padding-left: 16px; padding-right: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .giro { animation-duration: 2s; }
}

/* ── Página temporal "Muy pronto" ── */
.pronto {
  position: relative; min-height: 100vh; min-height: 100dvh; padding: 24px;
  background: var(--degradado); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 28px;
}
.pronto .acc-barra { position: absolute; top: 20px; right: 24px; }
.pronto .idioma { background: rgba(255,255,255,.14); }
.pronto .idioma a { color: #fff; }
.pronto .idioma a[aria-current="true"] { background: #fff; color: #7b000a; }
html.dm .pronto .idioma a { color: #fff; }
html.dm .pronto .idioma a[aria-current="true"] { color: #7b000a; }
.pronto .btn-luna { border: none; background: rgba(255,255,255,.14); color: #fff; }
.pronto .acc-logo { align-self: center; height: 64px; margin-top: 40px; }
.pronto-caja {
  width: 100%; max-width: 460px; padding: 32px; border-radius: 24px; background: var(--fondo);
  display: flex; flex-direction: column; gap: 14px; box-shadow: 0 24px 60px rgba(0,0,0,.25);
}
.pronto-caja h1 { margin: 0; font-size: 26px; font-weight: 800; }
.pronto-caja p { margin: 0; font-size: 15px; line-height: 1.6; color: var(--texto-3); }
.pronto-caja .btn-borde { cursor: pointer; margin-top: 8px; }

/* ── Verificar certificado ── */
.verificar .campo input { font-family: ui-monospace, 'Cascadia Mono', Consolas, monospace; letter-spacing: 2px; }
.ver-datos { margin: 0; display: flex; flex-direction: column; gap: 12px; padding: 16px 18px; border-radius: 14px; background: var(--suave); }
.ver-datos div { display: flex; flex-direction: column; gap: 2px; }
.ver-datos dt { font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--texto-4); }
.ver-datos dd { margin: 0; font-size: 16px; font-weight: 600; overflow-wrap: anywhere; }