/* Webs docentes CdeA · estilos comunes (motor webMotor). Cada asignatura puede añadir web/assets/curso.css */
:root{
  --navy:#052A64; --navy2:#113F86; --gold:#DBB246; --gold-soft:#F7EDD2;
  --ink:#1B2430; --ink2:#5B6470; --ink3:#8A939E; --line:#E2E6EB; --soft:#F4F6F9; --paper:#FFFFFF;
  --serif:Georgia,"Times New Roman",serif; --sans:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --mono:Consolas,"Cascadia Mono",ui-monospace,monospace;
}
*{box-sizing:border-box}
[hidden]{display:none!important}   /* lo no liberado no se muestra aunque otra regla le dé display */
html{color-scheme:light}
body{margin:0;background:var(--soft);color:var(--ink);font:16px/1.6 var(--sans)}
a{color:var(--navy2)}
a:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
h1,h2,h3{font-family:var(--serif);color:var(--navy);line-height:1.2;text-wrap:balance;margin:0 0 .5rem}
h1{font-size:clamp(1.9rem,4vw,2.6rem)}
h2{font-size:1.35rem;margin-top:.25rem}
h3{font-size:1.05rem}
p{margin:.25rem 0 .75rem;max-width:72ch}
code{font-family:var(--mono);font-size:.9em;background:var(--soft);padding:.05rem .3rem;border-radius:3px}
small{display:block;color:var(--ink2);font-size:.82rem}

.top{background:var(--navy);color:#fff}
.bar{max-width:1120px;margin:0 auto;padding:.7rem 16px;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.6rem;color:#fff;text-decoration:none;font-family:var(--serif);font-size:1.2rem}
.brand b{color:var(--gold);font-weight:700}
.brand em{font:600 .7rem/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;background:var(--gold);color:var(--navy);padding:.25rem .45rem;border-radius:3px;margin-left:.5rem;font-style:normal}
.top nav{display:flex;gap:.2rem;flex-wrap:wrap}
.top nav a{color:#E9EEF7;text-decoration:none;padding:.35rem .6rem;border-radius:4px;font-size:.95rem}
.top nav a:hover{background:var(--navy2)}
.top nav a[aria-current="page"]{background:var(--gold);color:var(--navy);font-weight:600}
body.teacher .top{background:#2B2F36}
/* Cambio de idioma: banderas al final del menú de alumnos */
.top nav .lang{display:inline-flex;align-items:center;gap:.3rem;margin-left:.4rem;padding-left:.6rem;border-left:1px solid rgba(255,255,255,.28)}
.top nav .lang a{padding:.3rem;line-height:0;border-radius:4px;opacity:.55}
.top nav .lang a:hover{opacity:1;background:var(--navy2)}
.top nav .lang a[aria-current="true"]{opacity:1;box-shadow:inset 0 0 0 2px var(--gold)}
.top nav .lang img{display:block;width:24px;height:16px;border-radius:2px;box-shadow:0 0 0 1px rgba(255,255,255,.35)}

.wrap{max-width:1120px;margin:0 auto;padding:2rem 16px 3rem;display:grid;gap:2rem}
.foot{background:var(--paper);border-top:1px solid var(--line);color:var(--ink2);font-size:.85rem}

.eyebrow{font:600 .75rem/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:#9A7A1E;margin:0 0 .5rem}
.lede{font-size:1.1rem;color:var(--ink2)}
.note{font-size:.88rem;color:var(--ink3)}
.notice{background:var(--gold-soft);border-left:4px solid var(--gold);padding:.6rem .9rem;border-radius:0 4px 4px 0;max-width:none}

.hero{background:var(--paper);border:1px solid var(--line);border-top:4px solid var(--gold);padding:2rem;border-radius:6px}
.facts{list-style:none;padding:0;margin:1.25rem 0 0;display:flex;flex-wrap:wrap;gap:.75rem 2rem}
.facts li{display:grid;font-weight:600}
.facts span{font:600 .7rem/1.4 var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--ink3)}
.now{background:var(--navy);color:#fff;padding:1.1rem 1.5rem;border-radius:6px}
.now .eyebrow{color:var(--gold)}
.now p{margin:0;font-family:var(--serif);font-size:1.3rem}
.now a{color:#fff}

.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}
.grid3 article,.two>div,.session,.act{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:1.25rem 1.4rem}
.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1rem;align-items:start}
.dates{list-style:none;padding:0;margin:0;display:grid;gap:.45rem}
.dates li{display:grid;grid-template-columns:minmax(9rem,auto) 1fr;gap:.75rem;border-bottom:1px solid var(--line);padding-bottom:.45rem}
.dates .d{color:var(--ink2);font-size:.88rem;font-variant-numeric:tabular-nums}

.tbl{overflow-x:auto;background:var(--paper);border:1px solid var(--line);border-radius:6px}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{text-align:left;vertical-align:top;padding:.6rem .8rem;border-bottom:1px solid var(--line)}
thead th{background:var(--navy);color:#fff;font:600 .78rem/1.3 var(--sans);letter-spacing:.05em;text-transform:uppercase}
body.teacher thead th{background:#2B2F36}
table.plain td.num{text-align:right;font-variant-numeric:tabular-nums;font-weight:600}
table.plain{background:transparent}
table.cal{min-width:760px}
table.mat{min-width:700px}
.cal .grp th{background:var(--soft);color:var(--navy);font:700 .95rem/1.3 var(--serif);text-transform:none;letter-spacing:0}
.cal .gap td{background:var(--soft);color:var(--ink2);font-style:italic}
.cal .exam td{background:var(--gold-soft);font-style:normal;color:var(--ink)}
td.wk{font-weight:700;white-space:nowrap;color:var(--navy)}
td.wk a{text-decoration:none}
a.tt{font-weight:600;text-decoration:none}
.ses{display:block;font-size:.9rem}
.ses b{display:inline-block;min-width:1.2rem;color:#9A7A1E}
.pill{display:inline-block;background:var(--gold-soft);color:#6B5314;font:600 .78rem/1 var(--sans);padding:.35rem .5rem;border-radius:3px;margin:.1rem .2rem .1rem 0;white-space:nowrap}

.pager{display:flex;justify-content:space-between;gap:1rem;font-size:.95rem}
.pager a{text-decoration:none;font-weight:600}
.session header,.act header{display:grid;gap:.2rem;margin-bottom:.75rem}
.tag{font:700 .72rem/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--navy);background:var(--gold);padding:.3rem .5rem;border-radius:3px;justify-self:start}
table.agenda{min-width:560px}
table.agenda td.t{white-space:nowrap;font-variant-numeric:tabular-nums;color:var(--ink2);width:5.5rem}
table.agenda td.blk{font-weight:600;width:13rem}
table.agenda tr.brk td{background:var(--soft);color:var(--ink3)}
table.agenda td.nota{color:#6B5314;background:#FBF6E6;width:30%}
.session .tbl{border:0;border-radius:0}
.prep{margin-top:.75rem}

.dls{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.75rem}
.dls.big{margin:0}
.pair{display:inline-flex;align-items:stretch}
.pair .dl{border-radius:5px 0 0 5px}
a.dl{display:inline-grid;gap:.05rem;text-decoration:none;background:var(--paper);border:1px solid var(--line);border-left:3px solid var(--navy);border-radius:5px;padding:.4rem .7rem;color:var(--ink);min-width:9rem}
a.dl:hover{border-color:var(--navy2);background:#F8FAFD}
.dl-l{font-weight:600;font-size:.92rem;color:var(--navy)}
.dl-m{font-size:.75rem;color:var(--ink3)}
a.alt{display:inline-flex;align-items:center;padding:0 .55rem;border:1px solid var(--line);border-left:0;border-radius:0 5px 5px 0;background:var(--soft);color:var(--ink2);font:600 .75rem/1 var(--sans);text-decoration:none}
a.alt:hover{background:var(--gold-soft);color:var(--navy)}

.acts{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1rem}
.act .es{color:var(--ink3);font-style:italic;margin:0}
.act dl{display:grid;grid-template-columns:auto 1fr;gap:.25rem 1rem;font-size:.92rem;margin:.5rem 0 1rem}
.act dt{color:var(--ink3);font:600 .72rem/1.6 var(--sans);letter-spacing:.06em;text-transform:uppercase}
.act dd{margin:0}
.act details{margin-top:.75rem}
.act summary{cursor:pointer;color:var(--navy2);font-size:.9rem}

/* Contenidos liberables */
.pending{display:block;color:var(--ink3);font-style:italic;font-size:.92rem;background:var(--soft);border:1px dashed var(--line);border-radius:5px;padding:.6rem .8rem;margin:.5rem 0}
span.pending{display:inline-block}
.notice.bad{background:#FBE9E7;border-left-color:#B3402F}
a.dl.primary{border-left-color:var(--gold);background:var(--gold-soft)}
a.dl.asistencia{border-left-color:#2F8F5B;background:#F1F8F3}
a.dl.asistencia:hover{border-color:#2F8F5B;background:#E4F1E6}
/* Solo en la zona del profesor: estado de liberación, pintado en vivo por profesor.js leyendo
   /profesor/api/estado. Verde = los alumnos ya lo ven; rojo = sigue oculto. El profesor puede abrirlo
   en los dos casos (nginx le sirve /profesor/videos/ entero), así que el color informa, no bloquea.
   Si el servicio no contesta no se pinta nada y el botón se queda neutro: mejor sin color que con uno falso. */
a.dl.est-si{border-left-color:#2F8F5B;background:#F1F8F3}
a.dl.est-si:hover{border-color:#2F8F5B;background:#E4F1E6}
a.dl.est-no{border-left-color:#C0392B;background:#FDF3F2}
a.dl.est-no:hover{border-color:#C0392B;background:#F9E4E1}
.est-pt{font-weight:700}
a.dl.est-si .est-pt{color:#2F8F5B}
a.dl.est-no .est-pt{color:#C0392B}
table.lib{min-width:640px}
table.lib td.st{white-space:nowrap;color:var(--ink3);font-weight:600}
table.lib tr.on td.st{color:#1F6B3A}
table.lib tr.on td:first-child{box-shadow:inset 4px 0 0 #2F8F5B}
button.toggle{font:600 .9rem/1 var(--sans);padding:.55rem .9rem;border-radius:5px;border:1px solid var(--navy);background:var(--navy);color:#fff;cursor:pointer;min-width:7.5rem}
button.toggle[aria-pressed="true"]{background:var(--paper);color:var(--navy)}
button.toggle:disabled{opacity:.55;cursor:wait}
button.toggle:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

/* Portada abierta */
body.welcome{min-height:100vh;display:grid;place-items:center;background:var(--navy);padding-inline:16px}
.gate{background:var(--paper);border-top:4px solid var(--gold);border-radius:8px;padding:2.5rem 2rem;max-width:30rem;width:100%;text-align:center;display:grid;gap:.5rem;justify-items:center}
.gate h1{margin:0}
a.enter{display:inline-block;margin:1rem 0 .25rem;background:var(--navy);color:#fff;text-decoration:none;font:600 1.05rem/1 var(--sans);padding:.9rem 1.6rem;border-radius:6px;border:2px solid var(--navy)}
a.enter:hover{background:var(--gold);color:var(--navy);border-color:var(--gold)}
a.enter:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
a.enter-alt{display:inline-flex;align-items:center;gap:.5rem;color:var(--navy2);font-weight:600;text-decoration:none;padding:.35rem .6rem;border-radius:5px}
a.enter-alt:hover{background:var(--gold-soft)}
a.enter-alt:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
a.enter-alt img{border-radius:2px;box-shadow:0 0 0 1px var(--line)}

/* Formulario de la clave de alumnos */
form.clave{display:grid;gap:.35rem;max-width:26rem;background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:1.25rem 1.4rem}
form.clave label{font-weight:600;font-size:.9rem;margin-top:.5rem}
form.clave input{font:1rem/1.4 var(--sans);padding:.55rem .7rem;border:1px solid var(--line);border-radius:5px}
form.clave input:focus-visible{outline:2px solid var(--gold);outline-offset:1px}
form.clave button{margin-top:1rem;justify-self:start}
form.clave h3{margin:0 0 .25rem}
form.clave .botones{display:flex;gap:.5rem;flex-wrap:wrap}
form.clave + .note, form.clave + .notice{margin-top:.5rem}
button.toggle.secundario{background:var(--paper);color:var(--navy)}

/* Plan docente */
ul.lista{margin:.25rem 0 0;padding-left:1.2rem;display:grid;gap:.3rem;max-width:80ch}
.pill.ev{background:var(--navy);color:#fff}
small.aviso{color:#9A7A1E;font-style:italic}
.cal .ses{margin-bottom:.15rem}

@media (max-width:560px){
  .hero{padding:1.25rem}
  .dates li{grid-template-columns:1fr;gap:.1rem}
  .top nav a{padding:.3rem .45rem;font-size:.9rem}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto}}

/* Grupos y avance (zona del profesor) */
.grupos-sel{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}
.grupos-sel .note{margin:0}
.session .horario{font:600 .85rem/1.2 var(--sans);color:var(--navy2)}
table.agenda td.hora{white-space:nowrap;font-variant-numeric:tabular-nums;font-weight:600;color:var(--navy);width:7.5rem}
table.agenda td.dado{text-align:center;width:3.5rem}
table.agenda td.dado input{width:1.2rem;height:1.2rem;accent-color:#2F8F5B}
table.agenda tr.hecho td{background:#F1F8F3;color:var(--ink3)}
table.agenda tr.hecho td.nota{background:#E9F4EC}
section.grupo{display:grid;gap:.75rem;margin-top:1rem}
.barra{height:.6rem;background:var(--line);border-radius:4px;overflow:hidden;max-width:40rem}
.barra span{display:block;height:100%;background:#2F8F5B}

/* Plan de clase del profesor: con la columna de hora, el texto del alumno necesita más anchura */
body.teacher table.agenda td.blk{width:9rem}
body.teacher table.agenda td.nota{width:24%}
body.teacher table.agenda{min-width:820px}
/* Scripts de R que el profesor suelta en clase: sus botones y, al lado, «Liberar / Ocultar» (liberable_en_clase) */
.en-clase{display:inline-flex;align-items:center;gap:.4rem;flex-wrap:wrap}
button.toggle.mini{min-width:0;padding:.4rem .7rem;font-size:.8rem}