/* Aula del Diplomado CENL–UDEM */
:root {
  --tinta: #161816; --tinta-2: #23261f; --grafito: #5c615a; --suave: #8a9086;
  --amarillo: #fcbf0a; --verde: #558336; --verde-claro: #e9f1e1;
  --papel: #f4f5f1; --blanco: #fff; --linea: #e2e5de;
  --titulos: "Oswald", "Arial Narrow", sans-serif;
  --texto: "Avenir Next", "Avenir", "Nunito Sans", "Segoe UI", sans-serif;
  --radio: 14px;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; }
body { font-family: var(--texto); font-size: 15px; line-height: 1.55; color: var(--tinta); background: var(--papel); -webkit-font-smoothing: antialiased; }
h1, h2, h3 { margin: 0; font-family: var(--titulos); font-weight: 500; line-height: 1.1; text-wrap: balance; }
p { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; }
button:disabled { opacity: .55; cursor: wait; }
svg { width: 18px; height: 18px; flex: none; }
:focus-visible { outline: 3px solid var(--amarillo); outline-offset: 3px; border-radius: 4px; }
[hidden] { display: none !important; }
.saltar { position: fixed; top: -60px; left: 16px; z-index: 50; background: #fff; padding: 10px 14px; border-radius: 8px; }
.saltar:focus { top: 12px; }

/* cargando */
.cargando { min-height: 100vh; display: grid; place-content: center; justify-items: center; gap: 18px; color: var(--grafito); }
.anillos { position: relative; width: 64px; height: 52px; }
.anillos i { position: absolute; width: 40px; height: 40px; border-radius: 50%; border: 4px solid var(--c); animation: girar 1.6s cubic-bezier(.6, .1, .3, .9) infinite; }
.anillos i:nth-child(1) { --c: var(--verde); left: 0; top: 0; }
.anillos i:nth-child(2) { --c: var(--tinta); left: 14px; top: 2px; animation-delay: .12s; }
.anillos i:nth-child(3) { --c: var(--amarillo); left: 8px; top: 10px; animation-delay: .24s; }
@keyframes girar { 50% { transform: translateY(-6px) scale(.92); } }

/* botones */
.boton { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 20px; border-radius: 999px; background: var(--tinta); color: #fff; font-weight: 700; font-size: 14px; transition: transform .2s, background .2s, box-shadow .2s; }
.boton:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(22, 24, 22, .18); }
.boton.amarillo { background: var(--amarillo); color: var(--tinta); }
.boton.secundario { background: #fff; color: var(--tinta); border: 1px solid var(--linea); }
.boton.chico { padding: 8px 14px; font-size: 13px; }
.mini { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; color: var(--grafito); transition: background .2s, color .2s; }
.mini:hover { background: var(--papel); color: var(--tinta); }
.mini.peligro:hover { background: #fbe9e6; color: #a23c2e; }
.enlace-texto { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: 14px; color: var(--verde); }
.enlace-texto:hover { text-decoration: underline; text-underline-offset: 3px; }
.sello { font-size: 12px; font-weight: 800; letter-spacing: .06em; color: var(--verde); }
.sello.claro { color: var(--amarillo); }

/* entrada */
.entrada { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); }
.entrada-marca { position: relative; overflow: hidden; background: var(--tinta); color: #fff; padding: clamp(28px, 5vw, 64px); display: flex; flex-direction: column; justify-content: space-between; }
.entrada-logo { width: 190px; height: auto;  }
.entrada-anillos { position: absolute; right: -12%; top: 50%; width: min(70vh, 640px); aspect-ratio: 1; transform: translateY(-50%); }
.entrada-anillos i { position: absolute; inset: 0; border-radius: 50%; border: clamp(10px, 1.6vw, 18px) solid var(--c); animation: respirar 9s ease-in-out infinite; }
.entrada-anillos i:nth-child(1) { --c: var(--verde); transform: translate(-6%, -3%); }
.entrada-anillos i:nth-child(2) { --c: #3a3e38; transform: translate(5%, -4%); animation-delay: -3s; }
.entrada-anillos i:nth-child(3) { --c: var(--amarillo); transform: translate(1%, 6%); animation-delay: -6s; }
@keyframes respirar { 50% { translate: 0 -1.5%; scale: .985; } }
.entrada-lema { position: relative; max-width: 22ch; font-family: var(--titulos); font-weight: 500; font-size: clamp(28px, 3.4vw, 46px); line-height: 1.08; text-transform: uppercase; }
.entrada-socios { position: relative; margin-top: 14px; color: #b7bdb3; }
.entrada-forma { display: grid; place-items: center; padding: 32px 20px; background: var(--papel); }
.entrada-caja { width: min(420px, 100%); }
.entrada-caja h1 { margin-top: 10px; font-size: clamp(32px, 4vw, 44px); text-transform: uppercase; }
.nota { margin-top: 12px; color: var(--grafito); }
.forma { display: grid; gap: 10px; margin-top: 26px; }
.forma label { font-weight: 700; font-size: 14px; }
.forma input, .forma textarea, .campo input, .campo select, .ficha-edicion input, .ficha-edicion textarea { width: 100%; padding: 13px 15px; border: 1px solid #cfd4ca; border-radius: 12px; background: #fff; font-size: 16px; transition: border-color .2s, box-shadow .2s; }
.forma input:focus, .forma textarea:focus, .campo input:focus, .campo select:focus, .ficha-edicion input:focus, .ficha-edicion textarea:focus { outline: none; border-color: var(--tinta); box-shadow: 0 0 0 3px rgba(252, 191, 10, .45); }
.forma .boton { margin-top: 6px; }
.clave { position: relative; }
.clave input { padding-right: 52px; }
.ver-clave { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; color: var(--grafito); }
.ver-clave:hover, .ver-clave[aria-pressed=true] { color: var(--tinta); background: var(--papel); }
.nota.pequena { margin-top: 20px; font-size: 13px; }
.mensaje { min-height: 24px; margin-top: 16px; color: #a23c2e; font-weight: 600; }

/* armazón */
.marco { display: grid; grid-template-columns: 248px minmax(0, 1fr); min-height: 100vh; }
.lateral { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: 26px; padding: 26px 18px; background: var(--tinta); color: #fff; }
.lateral-logo img { width: 160px; height: auto;  }
.producto span { display: block; font-size: 12px; font-weight: 700; color: #b7bdb3; }
.producto strong { display: block; font-family: var(--titulos); font-weight: 600; font-size: 56px; line-height: 1; letter-spacing: -.01em; }
.producto b { color: var(--amarillo); }
.navegacion { display: grid; gap: 4px; }
.nav { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 12px; color: #c9cec6; font-weight: 700; font-size: 14px; text-align: left; transition: background .2s, color .2s; }
.nav:hover { background: var(--tinta-2); color: #fff; }
.nav[aria-current=page] { background: var(--tinta-2); color: #fff; box-shadow: inset 3px 0 var(--amarillo); }
.lateral-pie { margin-top: auto; border-top: 1px solid #2f332d; padding-top: 18px; font-size: 13px; color: #9aa396; }
.lateral-pie a { display: inline-block; margin-top: 10px; color: #fff; }
.principal { min-width: 0; display: flex; flex-direction: column; }
.barra { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 16px clamp(18px, 3vw, 40px); background: #fff; border-bottom: 1px solid var(--linea); }
.migas { font-size: 14px; color: var(--grafito); }
.migas span { margin: 0 10px; color: #c0c5bc; }
.identidad { display: flex; align-items: center; gap: 10px; }
.identidad small { display: block; font-size: 12px; color: var(--grafito); }
.identidad strong { font-size: 14px; }
.avatar { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--amarillo); font-weight: 800; font-size: 14px; }
.salir { display: inline-flex; align-items: center; gap: 6px; margin-left: 8px; padding: 8px 12px; border-radius: 999px; border: 1px solid var(--linea); font-size: 13px; font-weight: 700; color: var(--grafito); }
.salir:hover { color: var(--tinta); border-color: var(--tinta); }
#trabajo { flex: 1; width: 100%; max-width: 1280px; margin: 0 auto; padding: clamp(22px, 3vw, 40px) clamp(18px, 3vw, 40px) 56px; }
#trabajo:focus { outline: none; }
#trabajo > * { animation: entrar .45s cubic-bezier(.2, .7, .2, 1) both; }
@keyframes entrar { from { opacity: 0; transform: translateY(8px); } }
.pie { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding: 18px clamp(18px, 3vw, 40px); border-top: 1px solid var(--linea); font-size: 13px; color: var(--grafito); }
.pie a { color: inherit; }

/* encabezados */
.encabezado { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 26px; }
.encabezado h1 { margin-top: 8px; font-size: clamp(32px, 3.8vw, 48px); text-transform: uppercase; }
.encabezado p:not(.sello) { margin-top: 10px; max-width: 64ch; color: var(--grafito); }
.encabezado h1:focus { outline: none; }
.meta { display: flex; align-items: center; gap: 8px; }
.titulo-seccion { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; }
.titulo-seccion h2 { font-size: 24px; text-transform: uppercase; }
.contador { min-width: 30px; text-align: center; padding: 2px 10px; border-radius: 999px; background: #fff; border: 1px solid var(--linea); font-weight: 700; font-size: 13px; }

/* inicio */
.destacado { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 28px; padding: clamp(24px, 3vw, 36px); border-radius: 22px; background: var(--tinta); color: #fff; margin-bottom: 18px; position: relative; overflow: hidden; }
.destacado::after { content: ""; position: absolute; right: -90px; bottom: -110px; width: 280px; height: 280px; border-radius: 50%; border: 14px solid var(--verde); opacity: .35; }
.destacado-texto h2 { margin: 12px 0 10px; font-size: clamp(26px, 2.8vw, 36px); text-transform: uppercase; }
.ponentes { color: #c9cec6; margin-bottom: 20px; }
.destacado-texto .boton { margin-top: 12px; }
.destacado-lista { position: relative; z-index: 1; padding: 18px; border-radius: 16px; background: var(--tinta-2); }
.lista-compacta { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 4px; }
.lista-compacta button { display: flex; gap: 10px; align-items: center; width: 100%; padding: 10px; border-radius: 10px; color: #fff; text-align: left; font-weight: 600; transition: background .2s; }
.lista-compacta button:hover { background: #30342d; }
.lista-compacta svg { color: var(--amarillo); }
.vacio-claro { margin-top: 12px; color: #b7bdb3; }
.cifras { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-bottom: 30px; }
.cifras article { padding: 18px 20px; border-radius: var(--radio); background: #fff; border: 1px solid var(--linea); }
.cifras strong { display: block; font-family: var(--titulos); font-weight: 600; font-size: 38px; line-height: 1; }
.cifras small { display: block; margin-top: 6px; color: var(--grafito); }
.recorrido { padding: 22px; border-radius: var(--radio); background: #fff; border: 1px solid var(--linea); }
.linea { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 6px; }
.hito { position: relative; height: 54px; border-radius: 12px; background: var(--papel); font-family: var(--titulos); font-size: 20px; font-weight: 600; color: var(--grafito); transition: transform .2s; }
.hito:hover { transform: translateY(-2px); }
.hito.cursado { background: var(--verde); color: #fff; }
.hito.en-curso { background: var(--amarillo); color: var(--tinta); }
.hito.actual { box-shadow: 0 0 0 3px var(--tinta); }
.linea-leyenda { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 12px; font-size: 13px; color: var(--grafito); }
.linea-leyenda i { display: inline-block; width: 10px; height: 10px; margin-right: 6px; border-radius: 3px; background: var(--papel); border: 1px solid var(--linea); }
.linea-leyenda i.cursado { background: var(--verde); border: 0; }
.linea-leyenda i.en-curso { background: var(--amarillo); border: 0; }

/* módulos */
.bloque { margin-bottom: 30px; }
.bloque-titulo { font-size: 20px; text-transform: uppercase; padding-bottom: 10px; margin-bottom: 14px; border-bottom: 3px solid var(--tinta); }
.tarjetas { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.tarjeta { display: flex; flex-direction: column; gap: 8px; min-height: 196px; padding: 20px; border-radius: var(--radio); background: #fff; border: 1px solid var(--linea); text-align: left; transition: transform .25s, box-shadow .25s, border-color .25s; }
.tarjeta:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(22, 24, 22, .08); border-color: #cfd4ca; }
.tarjeta-num { font-family: var(--titulos); font-size: 30px; font-weight: 600; line-height: 1; color: #c9cec6; }
.tarjeta.en-curso .tarjeta-num { color: var(--amarillo); }
.tarjeta.cursado .tarjeta-num { color: var(--verde); }
.tarjeta-estado { font-size: 12px; font-weight: 800; color: var(--grafito); }
.tarjeta.en-curso .tarjeta-estado { color: #9a6c00; }
.tarjeta strong { font-size: 16px; line-height: 1.3; }
.tarjeta small { color: var(--grafito); }
.tarjeta-pie { margin-top: auto; display: flex; align-items: center; gap: 6px; font-weight: 700; font-size: 13px; color: var(--verde); }
.tarjeta-pie svg:last-child { margin-left: auto; transition: transform .25s; }
.tarjeta:hover .tarjeta-pie svg:last-child { transform: translateX(4px); }

/* módulo */
.volver { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 14px; font-weight: 700; color: var(--grafito); }
.volver:hover { color: var(--tinta); }
.modulo-encabezado h1 { max-width: 24ch; }
.ficha-edicion { display: grid; grid-template-columns: 1fr 1.6fr auto; gap: 12px; align-items: end; padding: 16px; margin-bottom: 22px; border-radius: var(--radio); background: #fff; border: 1px dashed #cfd4ca; }
.ficha-edicion label { display: grid; gap: 6px; font-size: 13px; font-weight: 700; }
.ficha-edicion input, .ficha-edicion textarea { padding: 10px 12px; font-size: 15px; resize: vertical; }
.materiales { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.material { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-radius: var(--radio); background: #fff; border: 1px solid var(--linea); transition: box-shadow .2s; }
.material:hover { box-shadow: 0 8px 22px rgba(22, 24, 22, .06); }
.material.oculto { opacity: .6; border-style: dashed; }
.material-icono { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--papel); }
.material-icono.pdf { background: #fbe9e6; color: #a23c2e; }
.material-icono.video { background: #fff3cf; color: #9a6c00; }
.material-icono.enlace { background: var(--verde-claro); color: var(--verde); }
.material-icono svg { width: 22px; height: 22px; }
.material-texto { flex: 1; min-width: 0; }
.material-texto strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.material-texto small { color: var(--grafito); }
.vacio { display: flex; align-items: center; gap: 14px; padding: 26px; border-radius: var(--radio); background: #fff; border: 1px dashed #cfd4ca; color: var(--grafito); }
.vacio svg { width: 28px; height: 28px; color: var(--suave); }
.paginacion { display: flex; justify-content: space-between; margin-top: 28px; }

/* administración */
.panel { display: grid; gap: 16px; padding: 22px; margin-bottom: 18px; border-radius: var(--radio); background: #fff; border: 1px solid var(--linea); }
.panel h2 { font-size: 20px; text-transform: uppercase; }
.campo { display: grid; gap: 6px; font-weight: 700; font-size: 14px; }
.campo input, .campo select { padding: 11px 13px; font-size: 15px; }
.fila { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 12px; }
.panel > .boton { justify-self: start; }
.zona { display: grid; justify-items: center; gap: 6px; padding: 38px 20px; border-radius: var(--radio); border: 2px dashed #cfd4ca; background: var(--papel); text-align: center; cursor: pointer; transition: border-color .2s, background .2s; }
.zona svg { width: 30px; height: 30px; color: var(--verde); }
.zona strong { font-size: 17px; }
.zona span { color: var(--grafito); font-size: 14px; }
.zona:hover, .zona.encima { border-color: var(--verde); background: var(--verde-claro); }
.cola { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.cola li { display: grid; grid-template-columns: 20px minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 10px 14px; border-radius: 10px; background: var(--papel); font-size: 14px; }
.cola li strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cola small { color: var(--grafito); }
.cola li.listo .girando { border-color: var(--verde); animation: none; background: var(--verde); }
.cola li.falla { background: #fbe9e6; }
.cola li.falla .girando { border-color: #a23c2e; animation: none; }
.girando { width: 16px; height: 16px; border-radius: 50%; border: 2px solid #cfd4ca; border-top-color: var(--tinta); animation: rodar .8s linear infinite; }
@keyframes rodar { to { transform: rotate(360deg); } }
.tabla { overflow: auto; border-radius: var(--radio); background: #fff; border: 1px solid var(--linea); }
.tabla table { width: 100%; border-collapse: collapse; font-size: 14px; }
.tabla th { padding: 12px 16px; text-align: left; font-size: 12px; color: var(--grafito); background: var(--papel); }
.tabla td { padding: 14px 16px; border-top: 1px solid var(--linea); }
.tabla td small { display: block; color: var(--grafito); }
.tabla td:last-child { text-align: right; }
.tabla tr.inactivo td { color: var(--suave); }
.pastilla { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.pastilla.si { background: var(--verde-claro); color: var(--verde); }
.pastilla.no { background: #f1f1ee; color: var(--grafito); }
.casilla { display: flex; gap: 10px; align-items: flex-start; font-weight: 600 !important; font-size: 14px; }
.casilla input { width: auto !important; margin-top: 4px; }

/* diálogo y aviso */
dialog { width: min(520px, calc(100% - 32px)); padding: 30px; border: 0; border-radius: 20px; box-shadow: 0 30px 80px rgba(22, 24, 22, .3); }
dialog::backdrop { background: rgba(22, 24, 22, .55); backdrop-filter: blur(3px); }
dialog h2 { margin-top: 8px; font-size: 30px; text-transform: uppercase; }
.cerrar { position: absolute; top: 14px; right: 16px; width: 34px; height: 34px; border-radius: 50%; background: var(--papel); font-size: 22px; line-height: 1; }
.aviso { position: fixed; left: 50%; bottom: 24px; z-index: 60; max-width: calc(100% - 32px); padding: 12px 20px; border-radius: 12px; background: var(--tinta); color: #fff; font-weight: 600; opacity: 0; transform: translate(-50%, 10px); pointer-events: none; transition: opacity .25s, transform .25s; }
.aviso.visible { opacity: 1; transform: translate(-50%, 0); }
.aviso.error { background: #a23c2e; }
.sin-js { padding: 30px; }

/* tablet y celular */
@media (max-width: 1000px) {
  .marco { grid-template-columns: 1fr; }
  .lateral { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; gap: 12px 18px; padding: 14px 18px; }
  .lateral-logo img { width: 120px; }
  .producto { margin-left: auto; }
  .producto span { display: none; }
  .producto strong { font-size: 34px; }
  .navegacion { order: 3; width: 100%; display: flex; overflow-x: auto; gap: 4px; scrollbar-width: none; }
  .nav { flex: none; padding: 10px 14px; }
  .nav[aria-current=page] { box-shadow: inset 0 -3px var(--amarillo); }
  .lateral-pie { display: none; }
  .destacado { grid-template-columns: 1fr; }
  .ficha-edicion { grid-template-columns: 1fr; }
}
@media (max-width: 750px) {
  .entrada { grid-template-columns: 1fr; }
  .entrada-marca { min-height: 300px; }
  .entrada-anillos { width: 340px; right: -110px; top: 46%; }
  .entrada-lema { font-size: 26px; }
  .identidad div, .salir span { display: none; }
  .encabezado { flex-direction: column; align-items: flex-start; }
  .cifras { grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
  .cifras article { padding: 14px; }
  .cifras strong { font-size: 30px; }
  .cifras small { font-size: 12px; }
  .linea { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .material { flex-wrap: wrap; }
  .material .boton { margin-left: 58px; }
  .fila { grid-template-columns: 1fr; }
  .tabla thead { display: none; }
  .tabla tr { display: grid; grid-template-columns: 1fr auto; }
  .tabla td { border: 0; }
  .tabla td:first-child { grid-column: 1 / -1; border-top: 1px solid var(--linea); }
  .tabla td:nth-child(2) { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}