/* =============================================================================
   Interlearning AI — modulos.css
   Estilos de los módulos añadidos sobre el copiloto original: cuenta y sesión,
   predicción de banda, calculadora, plazos, comunidad y página de entrada.

   Va después de app.css y hereda sus tokens. Se mantiene aparte para que
   app.css siga siendo el archivo del copiloto y este el de todo lo demás.
   ============================================================================= */

/* =============================================================
   [hidden] tiene que ganar siempre
   -------------------------------------------------------------
   El navegador aplica `[hidden] { display: none }` con la
   especificidad más baja que existe, así que cualquier regla
   nuestra que ponga `display: grid` o `display: flex` lo anula
   sin querer y el elemento sigue viéndose. Se arregla una vez
   aquí en lugar de recordar caso por caso.
   ============================================================= */
[hidden] { display: none !important; }

/* =============================================================
   Cuenta en la barra superior
   ============================================================= */
.app-cuenta { display: flex; align-items: center; gap: .6rem; }

.app-entrar {
  padding: .45rem .95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .8rem;
  color: var(--ink-2);
  white-space: nowrap;
  transition: border-color .3s var(--ease-out), color .3s var(--ease-out);
}
.app-entrar:hover { border-color: var(--accent); color: var(--accent); }

.app-etiqueta {
  font-family: var(--mono);
  font-size: .58rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .25rem .55rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--mute);
  white-space: nowrap;
}
.app-etiqueta--esencial,
.app-etiqueta--diploma {
  border-color: rgba(0, 229, 255, .35);
  background: var(--accent-soft);
  color: var(--accent);
}

.app-usuario { font-size: .82rem; color: var(--ink-2); }
@media (max-width: 780px) { .app-usuario { display: none; } }

.app-cuota {
  font-family: var(--mono);
  font-size: .68rem;
  color: var(--mute-2);
  white-space: nowrap;
}
.app-cuota.is-poca { color: var(--warn); }

.app-bar-titulo { margin-left: auto; font-size: .92rem; color: var(--ink-2); }

/* =============================================================
   Banda de estado
   ============================================================= */
.app-banda {
  padding: .8rem var(--pad);
  font-size: .85rem;
  line-height: 1.6;
  border-bottom: 1px solid var(--line-2);
}
.app-banda b { color: var(--ink); font-weight: 600; }
.app-banda a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
.app-banda--info  { background: rgba(0, 229, 255, .07); color: var(--ink-2); }
.app-banda--aviso { background: rgba(251, 191, 36, .09); color: #F5D68A; }

/* Módulo que no aplica a la asignatura elegida */
.app-tab.is-inutil { opacity: .4; }

/* =============================================================
   Piezas compartidas
   ============================================================= */
.app-sub {
  font-family: var(--mono);
  font-size: .64rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mute-2);
  margin: 0 0 .9rem;
}

.app-columnas { display: grid; gap: 2.4rem; }
@media (min-width: 900px) { .app-columnas { grid-template-columns: 1fr 1fr; gap: 2.8rem; } }

.app-fila { display: flex; flex-wrap: wrap; gap: .8rem; }
.app-fila .field { flex: 1 1 120px; }
.field--corto { flex: 0 1 108px; }

.app-form--apilado { display: grid; align-items: stretch; }
.app-form--apilado .field { flex: none; }

.app-tabla {
  width: 100%;
  border-collapse: collapse;
  font-size: .84rem;
  margin-bottom: 1.2rem;
}
.app-tabla th {
  text-align: left;
  font-family: var(--mono);
  font-size: .6rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mute-2);
  font-weight: 400;
  padding: .5rem .6rem;
  border-bottom: 1px solid var(--line);
}
.app-tabla td {
  padding: .55rem .6rem;
  border-bottom: 1px solid var(--line-2);
  color: var(--mute);
  vertical-align: middle;
}
.app-tabla td b { color: var(--ink); font-weight: 500; }
.app-tabla td.is-riesgo { color: var(--err); font-weight: 500; }

.app-accion--mini {
  padding: .1rem .5rem;
  font-size: .9rem;
  line-height: 1.3;
  border-radius: 7px;
}
.app-accion--mini:hover { color: var(--err); border-color: var(--err); }

.btn--secundario {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
}
.btn--secundario:hover { border-color: var(--accent); color: var(--accent); }

/* =============================================================
   05 · Predicción de banda
   ============================================================= */
.app-historial { margin-top: 1.4rem; }

.app-banda-tarjeta {
  display: grid; gap: 1.1rem;
  padding: 1.3rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--bg-card);
  margin-bottom: 1.2rem;
}
.app-banda-cifra { display: flex; align-items: baseline; gap: .8rem; }
.app-banda-cifra b {
  font-family: var(--display);
  font-size: 3.4rem;
  line-height: 1;
  font-weight: 600;
  color: var(--accent);
}
.app-banda-cifra span { font-size: .82rem; color: var(--mute-2); }

.app-banda-tarjeta--alta  .app-banda-cifra b { color: var(--ok); }
.app-banda-tarjeta--media .app-banda-cifra b { color: var(--accent); }
.app-banda-tarjeta--baja  .app-banda-cifra b { color: var(--warn); }

.app-banda-datos { display: grid; gap: .45rem; }
.app-banda-datos li {
  display: flex; justify-content: space-between; gap: 1rem;
  font-size: .82rem; color: var(--mute);
}
.app-banda-datos b {
  font-family: var(--mono); font-size: .78rem;
  color: var(--ink); font-weight: 500;
}

/* =============================================================
   06 · Calculadora
   ============================================================= */
:root {
  --calc-tinta:   #00E5FF;
  --calc-rejilla: rgba(250, 250, 250, .07);
  --calc-eje:     rgba(250, 250, 250, .32);
  --calc-texto:   rgba(250, 250, 250, .5);
}

.app-calc-modos { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.5rem; }
.chip--mini { padding: .3rem .7rem; font-size: .74rem; }

.app-calc { display: grid; gap: 1.2rem; }

.app-calc-pantalla {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--bg-3);
  overflow: hidden;
}
.app-calc-cinta {
  display: grid;
  max-height: 130px;
  overflow-y: auto;
  border-bottom: 1px solid var(--line-2);
}
.app-calc-cinta:empty { display: none; }
.app-calc-linea {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: .35rem .9rem;
  font-family: var(--mono);
  font-size: .74rem;
  color: var(--mute-2);
  text-align: left;
}
.app-calc-linea:hover { background: rgba(250, 250, 250, .04); }
.app-calc-linea b { color: var(--ink-2); font-weight: 500; }

.app-calc-entrada {
  width: 100%;
  padding: .9rem 1rem .3rem;
  border: 0;
  background: none;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 1.15rem;
}
.app-calc-entrada:focus { outline: none; }

.app-calc-resultado {
  padding: 0 1rem 1rem;
  min-height: 2.1rem;
  font-family: var(--mono);
  font-size: 1.55rem;
  text-align: right;
  color: var(--accent);
  word-break: break-all;
}
.app-calc-resultado.is-error { font-size: .82rem; color: var(--err); text-align: left; }

.app-calc-opciones { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.app-calc-mem {
  margin-left: auto;
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--mute-2);
}

.app-calc-teclas { display: grid; gap: .4rem; }
.app-calc-fila { display: grid; grid-template-columns: repeat(6, 1fr); gap: .4rem; }
.app-calc-tecla {
  padding: .7rem .2rem;
  border: 1px solid var(--line-2);
  border-radius: 10px;
  background: var(--bg-card);
  color: var(--ink-2);
  font-family: var(--mono);
  font-size: .82rem;
  transition: background .2s var(--ease-out), color .2s var(--ease-out);
}
.app-calc-tecla:hover { background: rgba(250, 250, 250, .07); color: var(--ink); }
.app-calc-tecla:active { transform: translateY(1px); }
.app-calc-tecla--num { background: var(--bg-3); color: var(--ink); }
.app-calc-tecla--igual { background: var(--accent); color: #06060B; border-color: var(--accent); }
.app-calc-tecla--igual:hover { background: var(--accent); color: #06060B; }
.app-calc-tecla--borrar { color: var(--err); }

.app-calc-funciones { display: flex; flex-wrap: wrap; gap: 1rem; align-items: end; }
.app-calc-funciones .field { flex: 1 1 220px; }
.app-calc-funciones input { font-family: var(--mono); }

.app-calc-lienzo {
  width: 100%;
  height: 380px;
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  background: var(--bg-2);
  display: block;
}

.app-calc-ventana { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.app-calc-ventana label {
  display: inline-flex; align-items: center; gap: .35rem;
  font-family: var(--mono); font-size: .66rem;
  color: var(--mute-2);
}
.app-calc-ventana input {
  width: 5.2rem;
  padding: .3rem .45rem;
  border: 1px solid var(--line-2);
  border-radius: 7px;
  background: var(--bg-3);
  color: var(--ink);
  font-family: var(--mono);
  font-size: .74rem;
}
.app-calc-ventana input:focus { outline: none; border-color: var(--accent); }

.app-calc-analisis { display: grid; gap: .9rem; }
.app-calc-botones { display: flex; flex-wrap: wrap; gap: .5rem; }

.app-calc-informe { font-size: .88rem; line-height: 1.65; color: var(--ink-2); }
.app-calc-informe:empty { display: none; }
.app-calc-informe h3 { font-size: .95rem; color: var(--ink); margin: 1.4rem 0 .6rem; }
.app-calc-informe h3:first-child { margin-top: 0; }
.app-calc-informe p { margin-bottom: .7rem; }
.app-calc-informe ul { display: grid; gap: .3rem; margin-bottom: .9rem; }
.app-calc-informe li {
  padding-left: 1.1rem; position: relative;
  font-family: var(--mono); font-size: .8rem;
}
.app-calc-informe li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 6px; height: 2px; background: var(--accent);
}

/* =============================================================
   07 · Plazos
   ============================================================= */
.app-plazos-lista { display: grid; gap: .5rem; }

.app-plazo {
  display: flex; align-items: center; gap: .9rem;
  padding: .8rem 1rem;
  border: 1px solid var(--line-2);
  border-left: 3px solid var(--line);
  border-radius: 10px;
  background: var(--bg-card);
}
.app-plazo.is-critico { border-left-color: var(--err); }
.app-plazo.is-vencido { border-left-color: var(--err); background: rgba(251, 113, 133, .06); }
.app-plazo.is-proximo { border-left-color: var(--warn); }
.app-plazo.is-avisado { border-left-color: var(--accent); }
.app-plazo.is-hecho   { opacity: .45; }
.app-plazo.is-hecho .app-plazo-cuerpo b { text-decoration: line-through; }

.app-plazo-check { display: inline-flex; cursor: pointer; position: relative; }
.app-plazo-check input { position: absolute; opacity: 0; width: 100%; height: 100%; cursor: pointer; }
.app-plazo-check span {
  width: 20px; height: 20px;
  border: 1px solid var(--line);
  border-radius: 6px;
  display: inline-block;
  position: relative;
}
.app-plazo-check input:checked + span { background: var(--ok); border-color: var(--ok); }
.app-plazo-check input:checked + span::after {
  content: "✓";
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-size: .8rem; color: #06060B;
}
.app-plazo-check input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }

.app-plazo-cuerpo { flex: 1; display: grid; gap: .15rem; }
.app-plazo-cuerpo b { font-size: .92rem; font-weight: 500; color: var(--ink); }
.app-plazo-meta { font-family: var(--mono); font-size: .68rem; color: var(--mute-2); }

/* =============================================================
   08 · Comunidad
   ============================================================= */
.app-hilos-lista { display: grid; gap: .5rem; }
.app-hilo {
  width: 100%; text-align: left;
  display: grid; gap: .3rem;
  padding: .95rem 1.1rem;
  border: 1px solid var(--line-2);
  border-radius: 10px;
  background: var(--bg-card);
  transition: border-color .3s var(--ease-out);
}
.app-hilo:hover { border-color: var(--line); }
.app-hilo b { font-size: .94rem; font-weight: 500; color: var(--ink); }
.app-hilo-meta { font-family: var(--mono); font-size: .68rem; color: var(--mute-2); }

.app-hilo-detalle, .app-respuesta {
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--line-2);
  font-size: .93rem;
  line-height: 1.7;
  color: var(--ink-2);
}
.app-hilo-detalle h2 { font-size: 1.24rem; color: var(--ink); margin-bottom: .3rem; }
.app-hilo-detalle p, .app-respuesta p { margin-bottom: .8rem; }
.app-respuesta { padding-left: 1.2rem; border-left: 2px solid var(--line-2); }

.app-moderacion {
  margin: 1rem 0 1.6rem;
  padding: 1rem 1.2rem;
  border: 1px solid rgba(251, 191, 36, .3);
  border-radius: 10px;
  background: rgba(251, 191, 36, .07);
  font-size: .88rem;
  line-height: 1.65;
  color: #F5D68A;
}
.app-moderacion--apoyo {
  border-color: rgba(0, 229, 255, .3);
  background: var(--accent-soft);
  color: var(--ink-2);
}

/* =============================================================
   09 · Cuenta
   ============================================================= */
.app-plan { margin-top: 1.6rem; }
.app-plan-datos { display: grid; gap: .5rem; margin-bottom: 1.2rem; }
.app-plan-datos li {
  display: flex; justify-content: space-between; gap: 1rem;
  font-size: .85rem; color: var(--mute);
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--line-2);
}
.app-plan-datos b { color: var(--ink); font-weight: 500; }

.app-tutores { display: grid; gap: .4rem; margin: 1rem 0 1.8rem; }
.app-tutores li {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  font-size: .85rem; color: var(--mute);
}

/* =============================================================
   Página de entrada
   ============================================================= */
.app-body--centrado { display: grid; place-items: center; padding: var(--pad); }

.entrar { width: 100%; max-width: 430px; display: grid; gap: 1.8rem; justify-items: center; }
.entrar-marca { font-size: 1.15rem; }

.entrar-caja {
  width: 100%;
  padding: clamp(1.6rem, 5vw, 2.4rem);
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  background: var(--bg-card);
}
.entrar-caja h1 { font-size: 1.4rem; font-weight: 600; margin-bottom: .7rem; }
.entrar-intro { font-size: .9rem; color: var(--mute); line-height: 1.65; margin-bottom: 1.6rem; }
.entrar-form { display: grid; gap: 1rem; }

.entrar-aviso {
  margin-top: 1.4rem;
  padding: 1rem 1.15rem;
  border-radius: 10px;
  font-size: .87rem;
  line-height: 1.6;
}
.entrar-aviso p { margin-bottom: .5rem; }
.entrar-aviso p:last-child { margin-bottom: 0; }
.entrar-aviso--ok {
  border: 1px solid rgba(52, 211, 153, .3);
  background: rgba(52, 211, 153, .08);
  color: #9FE8C9;
}
.entrar-aviso--error {
  border: 1px solid rgba(251, 113, 133, .3);
  background: rgba(251, 113, 133, .07);
  color: #FFB3BF;
}

.entrar-sin { font-size: .88rem; color: var(--mute); line-height: 1.65; display: grid; gap: 1rem; }
.entrar-sin b { color: var(--ink); }

.entrar-pie {
  margin-top: 1.6rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line-2);
  font-size: .74rem;
  color: var(--mute-2);
  line-height: 1.6;
}
.entrar-pie a { color: var(--mute); text-decoration: underline; text-underline-offset: 3px; }
.entrar-volver a { font-size: .82rem; color: var(--mute-2); }
.entrar-volver a:hover { color: var(--accent); }

.app-cargando { padding: 4rem 0; }