/* =====================================================================
   DOCTORA LIBROS · Sistema visual
   Paleta: rosa pastel · rosa viejo · lila · lavanda · morado suave
   Profesional, femenino, médico, académico. Nunca infantil.
   ===================================================================== */

/* ------------------------------ Tokens ------------------------------ */
:root {
  /* Color */
  --dl-rosa-pastel:  #f9dce7;
  --dl-rosa-claro:   #fdf1f6;
  --dl-rosa-viejo:   #c17f96;
  --dl-rosa-fuerte:  #a85f79;
  --dl-lila:         #c9b6e4;
  --dl-lila-claro:   #efe8fa;
  --dl-lavanda:      #e6def7;
  --dl-morado:       #7c4f9e;
  --dl-morado-osc:   #5c3778;
  --dl-morado-claro: #9b71ba;

  --dl-blanco:       #ffffff;
  --dl-fondo:        #fbf8fd;
  --dl-superficie:   #ffffff;
  --dl-superficie-2: #f7f2fb;
  --dl-borde:        #ecdff2;
  --dl-borde-fuerte: #ddc9e8;

  --dl-texto:        #3d3348;
  --dl-texto-suave:  #6f6478;
  --dl-texto-tenue:  #9b91a4;

  --dl-exito:        #4e9e7f;
  --dl-exito-bg:     #e6f5ef;
  --dl-error:        #c2566b;
  --dl-error-bg:     #fdeaee;
  --dl-aviso:        #d19a3f;
  --dl-aviso-bg:     #fdf3e2;
  --dl-info:         #6b7fc4;
  --dl-info-bg:      #eceffa;

  /* Semáforo de dominio */
  --dl-rojo:         #d1607a;
  --dl-amarillo:     #d9a441;
  --dl-verde:        #529e83;

  /* Formas */
  --dl-radio:        16px;
  --dl-radio-sm:     10px;
  --dl-radio-lg:     24px;
  --dl-sombra:       0 2px 10px rgba(124, 79, 158, .07), 0 1px 3px rgba(124, 79, 158, .05);
  --dl-sombra-md:    0 6px 22px rgba(124, 79, 158, .11);
  --dl-sombra-lg:    0 14px 44px rgba(124, 79, 158, .16);

  /* Degradados */
  --dl-grad-principal: linear-gradient(135deg, #8a5aa8 0%, #b07fc4 45%, #dcaec8 100%);
  --dl-grad-suave:     linear-gradient(135deg, #f6ecfa 0%, #fbeef4 100%);
  --dl-grad-lila:      linear-gradient(135deg, #c9b6e4 0%, #f2cede 100%);
  --dl-grad-hoy:       linear-gradient(135deg, #7c4f9e 0%, #a86fb8 50%, #d79ab6 100%);

  /* Tipografía */
  --dl-fuente-titulo: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --dl-fuente:        'Inter', -apple-system, 'Segoe UI', Roboto, sans-serif;

  --dl-sidebar-ancho: 276px;
  --dl-sidebar-mini:  76px;
  --dl-navbar-alto:   64px;
}

/* --------------------------- Modo oscuro ---------------------------- */
[data-tema="oscuro"] {
  --dl-fondo:        #1c1722;
  --dl-superficie:   #262030;
  --dl-superficie-2: #2f2739;
  --dl-borde:        #3a3145;
  --dl-borde-fuerte: #4a3f57;
  --dl-texto:        #ece7f1;
  --dl-texto-suave:  #b8afc4;
  --dl-texto-tenue:  #8b8296;
  --dl-blanco:       #262030;
  --dl-rosa-claro:   #33253070;
  --dl-lila-claro:   #322a40;
  --dl-lavanda:      #372e46;
  --dl-morado:       #c49ee0;
  --dl-morado-claro: #d5b8ea;
  --dl-morado-osc:   #e0cbef;
  --dl-rosa-viejo:   #e3a8bd;
  --dl-grad-suave:   linear-gradient(135deg, #2b2336 0%, #332a3d 100%);
  --dl-sombra:       0 2px 10px rgba(0, 0, 0, .3);
  --dl-sombra-md:    0 6px 22px rgba(0, 0, 0, .38);
  --dl-sombra-lg:    0 14px 44px rgba(0, 0, 0, .45);
  --dl-exito-bg:     #1f3a31;
  --dl-error-bg:     #3b2028;
  --dl-aviso-bg:     #3a2f1c;
  --dl-info-bg:      #232941;
}

/* ------------------------------ Base -------------------------------- */
* { box-sizing: border-box; }

body {
  font-family: var(--dl-fuente);
  background: var(--dl-fondo);
  color: var(--dl-texto);
  font-size: 15.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  margin: 0;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, .dl-titulo {
  font-family: var(--dl-fuente-titulo);
  color: var(--dl-morado-osc);
  font-weight: 600;
  letter-spacing: -.01em;
}

a { color: var(--dl-morado); text-decoration: none; }
a:hover { color: var(--dl-rosa-fuerte); text-decoration: underline; }

::selection { background: var(--dl-lavanda); color: var(--dl-morado-osc); }

/* Scrollbar discreta */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--dl-borde-fuerte); border-radius: 8px; border: 2px solid var(--dl-fondo); }
::-webkit-scrollbar-thumb:hover { background: var(--dl-lila); }

/* Foco accesible */
:focus-visible {
  outline: 3px solid var(--dl-lila);
  outline-offset: 2px;
  border-radius: 6px;
}

.dl-salto-contenido {
  position: absolute; left: -9999px; top: 0; z-index: 2000;
  background: var(--dl-morado); color: #fff; padding: .7rem 1.2rem; border-radius: 0 0 12px 0;
}
.dl-salto-contenido:focus { left: 0; color: #fff; }

/* ---------------------------- Estructura ---------------------------- */
.dl-app { display: flex; min-height: 100vh; }

/* --------------------------- Menú lateral --------------------------- */
.dl-sidebar {
  width: var(--dl-sidebar-ancho);
  flex: 0 0 var(--dl-sidebar-ancho);
  background: linear-gradient(180deg, #6d4189 0%, #7c4f9e 40%, #96639f 100%);
  color: #f3e9f7;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 1040;
  /* Solo se anima transform: animar width o flex-basis rehace el diseño
     de toda la zona de contenido en cada cuadro. El plegado cambia el
     ancho de inmediato; el deslizamiento en móvil sí es animado. */
  transition: transform .25s ease;
}
[data-tema="oscuro"] .dl-sidebar {
  background: linear-gradient(180deg, #2b1f38 0%, #3a2a4b 50%, #46335a 100%);
}

.dl-sidebar__marca {
  display: flex; align-items: center; gap: .7rem;
  padding: 1.15rem 1.15rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, .13);
}
.dl-sidebar__marca img, .dl-sidebar__marca svg { width: 42px; height: 42px; flex: 0 0 42px; }
.dl-sidebar__titulo { font-family: var(--dl-fuente-titulo); font-size: 1.09rem; color: #fff; line-height: 1.15; margin: 0; }
.dl-sidebar__sub { font-size: .705rem; color: rgba(255, 255, 255, .68); letter-spacing: .09em; text-transform: uppercase; }

.dl-sidebar__nav { flex: 1; overflow-y: auto; padding: .6rem .6rem 1.5rem; }
.dl-sidebar__nav::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, .22); border-color: transparent; }

.dl-sidebar__grupo {
  font-size: .67rem; letter-spacing: .12em; text-transform: uppercase;
  color: rgba(255, 255, 255, .5); padding: 1rem .85rem .35rem; font-weight: 600;
}

.dl-nav-item {
  display: flex; align-items: center; gap: .72rem;
  padding: .56rem .8rem; margin-bottom: 1px;
  color: rgba(255, 255, 255, .89);
  border-radius: 11px;
  font-size: .875rem; font-weight: 500;
  transition: background .16s ease, color .16s ease, transform .16s ease;
  position: relative;
}
.dl-nav-item:hover { background: rgba(255, 255, 255, .13); color: #fff; text-decoration: none; transform: translateX(2px); }
.dl-nav-item.activo { background: rgba(255, 255, 255, .96); color: var(--dl-morado-osc); font-weight: 600; box-shadow: 0 3px 12px rgba(0, 0, 0, .13); }
[data-tema="oscuro"] .dl-nav-item.activo { background: rgba(255, 255, 255, .92); color: #4a2d61; }
.dl-nav-item i, .dl-nav-item .dl-emoji { font-size: 1.02rem; width: 22px; text-align: center; flex: 0 0 22px; }
.dl-nav-item .dl-badge {
  margin-left: auto; background: var(--dl-rosa-pastel); color: var(--dl-rosa-fuerte);
  font-size: .68rem; font-weight: 700; padding: .1rem .45rem; border-radius: 20px; min-width: 21px; text-align: center;
}
.dl-nav-item.activo .dl-badge { background: var(--dl-morado); color: #fff; }

.dl-sidebar__pie { padding: .8rem 1rem; border-top: 1px solid rgba(255, 255, 255, .13); font-size: .74rem; color: rgba(255, 255, 255, .68); }

/* Sidebar plegado (escritorio) */
.dl-app.plegado .dl-sidebar { width: var(--dl-sidebar-mini); flex-basis: var(--dl-sidebar-mini); }
.dl-app.plegado .dl-sidebar__titulo,
.dl-app.plegado .dl-sidebar__sub,
.dl-app.plegado .dl-sidebar__grupo,
.dl-app.plegado .dl-nav-item span,
.dl-app.plegado .dl-nav-item .dl-badge,
.dl-app.plegado .dl-sidebar__pie { display: none; }
.dl-app.plegado .dl-nav-item { justify-content: center; padding: .62rem 0; }
.dl-app.plegado .dl-sidebar__marca { justify-content: center; padding: 1.15rem .4rem; }

/* --------------------------- Zona principal -------------------------- */
.dl-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.dl-navbar {
  height: var(--dl-navbar-alto);
  background: var(--dl-superficie);
  border-bottom: 1px solid var(--dl-borde);
  display: flex; align-items: center; gap: 1rem;
  padding: 0 1.3rem;
  position: sticky; top: 0; z-index: 1030;
  backdrop-filter: blur(8px);
}
.dl-navbar__titulo { font-family: var(--dl-fuente-titulo); font-size: 1.16rem; margin: 0; color: var(--dl-morado-osc); }
.dl-navbar__ruta { font-size: .74rem; color: var(--dl-texto-tenue); letter-spacing: .05em; text-transform: uppercase; }

.dl-icon-btn {
  width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--dl-borde);
  background: var(--dl-superficie); color: var(--dl-morado);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.06rem; transition: background .16s ease, border-color .16s ease, color .16s ease; cursor: pointer;
}
.dl-icon-btn:hover { background: var(--dl-lila-claro); border-color: var(--dl-lila); color: var(--dl-morado-osc); }

.dl-buscador-global { position: relative; max-width: 420px; flex: 1; }
.dl-buscador-global input {
  width: 100%; border: 1px solid var(--dl-borde); background: var(--dl-superficie-2);
  border-radius: 30px; padding: .5rem 1rem .5rem 2.5rem; font-size: .875rem;
  color: var(--dl-texto); transition: background .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.dl-buscador-global input:focus { background: var(--dl-superficie); border-color: var(--dl-lila); box-shadow: 0 0 0 4px var(--dl-lila-claro); outline: none; }
.dl-buscador-global i { position: absolute; left: .95rem; top: 50%; transform: translateY(-50%); color: var(--dl-texto-tenue); font-size: .93rem; }
.dl-buscador-resultados {
  position: absolute; top: calc(100% + 8px); left: 0; right: 0; z-index: 1200;
  background: var(--dl-superficie); border: 1px solid var(--dl-borde);
  border-radius: var(--dl-radio); box-shadow: var(--dl-sombra-lg);
  max-height: 65vh; overflow-y: auto; display: none; padding: .4rem;
}
.dl-buscador-resultados.visible { display: block; }
.dl-buscador-resultados a { display: block; padding: .55rem .7rem; border-radius: 9px; color: var(--dl-texto); font-size: .85rem; }
.dl-buscador-resultados a:hover { background: var(--dl-lila-claro); text-decoration: none; }
.dl-buscador-resultados .dl-br-grupo { font-size: .68rem; text-transform: uppercase; letter-spacing: .09em; color: var(--dl-texto-tenue); padding: .55rem .7rem .2rem; font-weight: 600; }

.dl-contenido { padding: 1.6rem; flex: 1; max-width: 1500px; width: 100%; }

/* ----------------------------- Tarjetas ------------------------------ */
.dl-card {
  background: var(--dl-superficie);
  border: 1px solid var(--dl-borde);
  border-radius: var(--dl-radio);
  box-shadow: var(--dl-sombra);
  overflow: hidden;
}
.dl-card__cuerpo { padding: 1.25rem; }
.dl-card__cabecera {
  padding: .95rem 1.25rem;
  border-bottom: 1px solid var(--dl-borde);
  display: flex; align-items: center; gap: .6rem;
  background: var(--dl-grad-suave);
}
.dl-card__cabecera h2, .dl-card__cabecera h3 { margin: 0; font-size: 1.02rem; }
.dl-card--hover { transition: transform .18s ease, box-shadow .18s ease; }
.dl-card--hover:hover { transform: translateY(-3px); box-shadow: var(--dl-sombra-md); }

/* Tarjeta de bienvenida / héroe */
.dl-hero {
  background: var(--dl-grad-hoy);
  color: #fff;
  border-radius: var(--dl-radio-lg);
  padding: 1.8rem 2rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--dl-sombra-md);
}
.dl-hero h1 { color: #fff; font-size: 1.72rem; margin: 0 0 .35rem; }
.dl-hero p { color: rgba(255, 255, 255, .93); margin: 0; }
.dl-hero__ilustracion { position: absolute; right: 1.2rem; bottom: -6px; width: 168px; opacity: .96; pointer-events: none; }
.dl-hero::after {
  content: ''; position: absolute; right: -60px; top: -80px;
  width: 260px; height: 260px; border-radius: 50%;
  background: rgba(255, 255, 255, .09);
}
@media (max-width: 991px) { .dl-hero__ilustracion { display: none; } }

/* Métricas del dashboard */
.dl-metrica {
  background: var(--dl-superficie);
  border: 1px solid var(--dl-borde);
  border-radius: var(--dl-radio);
  padding: 1.05rem 1.15rem;
  display: flex; align-items: center; gap: .95rem;
  box-shadow: var(--dl-sombra);
  transition: transform .18s ease, box-shadow .18s ease;
  height: 100%;
}
.dl-metrica:hover { transform: translateY(-2px); box-shadow: var(--dl-sombra-md); }
.dl-metrica__icono {
  width: 48px; height: 48px; flex: 0 0 48px; border-radius: 14px;
  display: grid; place-items: center; font-size: 1.28rem;
  background: var(--dl-lila-claro); color: var(--dl-morado);
}
.dl-metrica__valor { font-family: var(--dl-fuente-titulo); font-size: 1.62rem; font-weight: 700; line-height: 1.05; color: var(--dl-morado-osc); }
.dl-metrica__etiqueta { font-size: .76rem; color: var(--dl-texto-suave); text-transform: uppercase; letter-spacing: .055em; font-weight: 600; }
.dl-metrica--rosa   .dl-metrica__icono { background: var(--dl-rosa-claro); color: var(--dl-rosa-fuerte); }
.dl-metrica--verde  .dl-metrica__icono { background: var(--dl-exito-bg); color: var(--dl-exito); }
.dl-metrica--ambar  .dl-metrica__icono { background: var(--dl-aviso-bg); color: var(--dl-aviso); }
.dl-metrica--azul   .dl-metrica__icono { background: var(--dl-info-bg); color: var(--dl-info); }

/* --------------------------- Progreso -------------------------------- */
.dl-barra { height: 9px; background: var(--dl-superficie-2); border-radius: 20px; overflow: hidden; }
.dl-barra__valor { height: 100%; border-radius: 20px; background: var(--dl-grad-principal); transition: width .6s cubic-bezier(.22,.9,.3,1); }
.dl-barra--fina { height: 6px; }
.dl-barra--gruesa { height: 14px; }
.dl-barra__valor.verde    { background: linear-gradient(90deg, #4e9e7f, #7bc0a5); }
.dl-barra__valor.amarillo { background: linear-gradient(90deg, #d9a441, #edc881); }
.dl-barra__valor.rojo     { background: linear-gradient(90deg, #d1607a, #e79aab); }

.dl-anillo { position: relative; width: 132px; height: 132px; }
.dl-anillo svg { transform: rotate(-90deg); }
.dl-anillo__texto {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-family: var(--dl-fuente-titulo); font-size: 1.72rem; font-weight: 700; color: var(--dl-morado-osc);
}

/* Semáforo */
.dl-dominio { display: inline-flex; align-items: center; gap: .38rem; font-size: .74rem; font-weight: 700; padding: .17rem .6rem; border-radius: 20px; letter-spacing: .03em; }
.dominio-rojo     { background: var(--dl-error-bg); color: var(--dl-rojo); }
.dominio-amarillo { background: var(--dl-aviso-bg); color: var(--dl-aviso); }
.dominio-verde    { background: var(--dl-exito-bg); color: var(--dl-verde); }

/* --------------------------- Botones --------------------------------- */
.dl-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .62rem 1.28rem; border-radius: 13px; border: 1px solid transparent;
  font-weight: 600; font-size: .9rem; cursor: pointer; text-decoration: none;
  transition: transform .14s ease, box-shadow .16s ease, background .16s ease, color .16s ease;
  line-height: 1.4;
}
.dl-btn:hover { text-decoration: none; transform: translateY(-1px); }
.dl-btn:active { transform: translateY(0); }
.dl-btn:disabled, .dl-btn.disabled { opacity: .55; cursor: not-allowed; transform: none; }

.dl-btn--principal { background: var(--dl-grad-principal); color: #fff; box-shadow: 0 4px 14px rgba(124, 79, 158, .28); }
.dl-btn--principal:hover { color: #fff; box-shadow: 0 7px 20px rgba(124, 79, 158, .36); }
.dl-btn--rosa { background: linear-gradient(135deg, #c17f96, #e0a8bd); color: #fff; box-shadow: 0 4px 14px rgba(193, 127, 150, .3); }
.dl-btn--rosa:hover { color: #fff; }
.dl-btn--suave { background: var(--dl-lila-claro); color: var(--dl-morado); border-color: var(--dl-borde); }
.dl-btn--suave:hover { background: var(--dl-lavanda); color: var(--dl-morado-osc); }
.dl-btn--contorno { background: transparent; color: var(--dl-morado); border-color: var(--dl-borde-fuerte); }
.dl-btn--contorno:hover { background: var(--dl-lila-claro); color: var(--dl-morado-osc); }
.dl-btn--exito { background: var(--dl-exito); color: #fff; }
.dl-btn--exito:hover { color: #fff; filter: brightness(1.06); }
.dl-btn--peligro { background: var(--dl-error); color: #fff; }
.dl-btn--peligro:hover { color: #fff; filter: brightness(1.06); }
.dl-btn--grande { padding: .85rem 1.7rem; font-size: 1rem; border-radius: 15px; }
.dl-btn--bloque { width: 100%; }
.dl-btn--sm { padding: .35rem .8rem; font-size: .8rem; border-radius: 10px; }

/* --------------------------- Etiquetas ------------------------------- */
.dl-chip {
  display: inline-flex; align-items: center; gap: .32rem;
  padding: .2rem .62rem; border-radius: 20px;
  font-size: .735rem; font-weight: 600;
  background: var(--dl-lila-claro); color: var(--dl-morado);
  border: 1px solid var(--dl-borde);
}
.dl-chip--rosa { background: var(--dl-rosa-claro); color: var(--dl-rosa-fuerte); }
.dl-chip--verde { background: var(--dl-exito-bg); color: var(--dl-exito); }
.dl-chip--ambar { background: var(--dl-aviso-bg); color: var(--dl-aviso); }
.dl-chip--rojo { background: var(--dl-error-bg); color: var(--dl-error); }
.dl-chip--nivel1 { background: #eef4ff; color: #4a6bb5; }
.dl-chip--nivel2 { background: #eafaf3; color: #3d8f72; }
.dl-chip--nivel3 { background: #fdf4e3; color: #b8862f; }
.dl-chip--nivel4 { background: #f8ecfb; color: #94509e; }
[data-tema="oscuro"] .dl-chip--nivel1 { background: #26304a; color: #9db4ea; }
[data-tema="oscuro"] .dl-chip--nivel2 { background: #1f3a31; color: #86ccb0; }
[data-tema="oscuro"] .dl-chip--nivel3 { background: #3a2f1c; color: #e3bc73; }
[data-tema="oscuro"] .dl-chip--nivel4 { background: #38254a; color: #d3a3dd; }

/* --------------------------- Tema / unidad --------------------------- */
.dl-unidad-cabecera {
  border-radius: var(--dl-radio-lg); padding: 1.4rem 1.6rem; color: #fff;
  box-shadow: var(--dl-sombra-md); position: relative; overflow: hidden;
}
.dl-unidad-cabecera h2 { color: #fff; margin: 0; }

/* El color de la unidad ya lo lleva el encabezado del grupo y el icono;
   aquí basta un filete de 1 px, que las vistas tiñen con border-left-color. */
.dl-tema-card {
  background: var(--dl-superficie); border: 1px solid var(--dl-borde);
  border-left: 1px solid var(--dl-lila);
  border-radius: var(--dl-radio); padding: 1.05rem 1.2rem;
  box-shadow: var(--dl-sombra); height: 100%;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  display: flex; flex-direction: column;
}
.dl-tema-card:hover { transform: translateY(-3px); box-shadow: var(--dl-sombra-md); }
.dl-tema-card__codigo { font-size: .7rem; font-weight: 700; letter-spacing: .09em; color: var(--dl-texto-tenue); }
.dl-tema-card__titulo { font-family: var(--dl-fuente-titulo); font-size: 1.02rem; color: var(--dl-morado-osc); margin: .18rem 0 .45rem; line-height: 1.3; }
.dl-tema-card__meta { font-size: .765rem; color: var(--dl-texto-suave); display: flex; flex-wrap: wrap; gap: .75rem; margin-top: auto; padding-top: .7rem; }

/* Secciones de la página del tema */
.dl-seccion {
  background: var(--dl-superficie); border: 1px solid var(--dl-borde);
  border-radius: var(--dl-radio); margin-bottom: 1.1rem; overflow: hidden;
  box-shadow: var(--dl-sombra); scroll-margin-top: calc(var(--dl-navbar-alto) + 14px);
}
.dl-seccion__cabecera {
  display: flex; align-items: center; gap: .8rem; padding: .95rem 1.2rem;
  background: var(--dl-grad-suave); cursor: pointer; user-select: none;
  border-bottom: 1px solid transparent; transition: background .18s ease;
}
.dl-seccion__cabecera:hover { background: var(--dl-lavanda); }
.dl-seccion.abierta .dl-seccion__cabecera { border-bottom-color: var(--dl-borde); }
.dl-seccion__num {
  width: 30px; height: 30px; flex: 0 0 30px; border-radius: 9px;
  background: var(--dl-morado); color: #fff; display: grid; place-items: center;
  font-size: .82rem; font-weight: 700;
}
.dl-seccion__titulo { font-family: var(--dl-fuente-titulo); font-size: 1.04rem; margin: 0; color: var(--dl-morado-osc); flex: 1; }
.dl-seccion__flecha { transition: transform .25s ease; color: var(--dl-texto-tenue); }
.dl-seccion.abierta .dl-seccion__flecha { transform: rotate(180deg); }
.dl-seccion__cuerpo { padding: 1.25rem 1.35rem; display: none; }
.dl-seccion.abierta .dl-seccion__cuerpo { display: block; }
.dl-seccion__visto { color: var(--dl-verde); font-size: .95rem; }

/* Contenido académico */
.dl-texto-academico { font-size: 1rem; line-height: 1.78; color: var(--dl-texto); }
.dl-texto-academico h3 { font-size: 1.09rem; margin: 1.5rem 0 .6rem; color: var(--dl-morado); }
.dl-texto-academico h4 { font-size: .98rem; margin: 1.2rem 0 .5rem; color: var(--dl-rosa-fuerte); font-family: var(--dl-fuente); font-weight: 700; }
.dl-texto-academico p { margin: 0 0 .9rem; }
.dl-texto-academico ul, .dl-texto-academico ol { margin: 0 0 1rem; padding-left: 1.4rem; }
.dl-texto-academico li { margin-bottom: .38rem; }
.dl-texto-academico strong { color: var(--dl-morado-osc); font-weight: 650; }
.dl-texto-academico table {
  width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: .9rem;
  border-radius: var(--dl-radio-sm); overflow: hidden; border: 1px solid var(--dl-borde);
}
.dl-texto-academico th {
  background: var(--dl-lavanda); color: var(--dl-morado-osc);
  padding: .6rem .75rem; text-align: left; font-weight: 650; font-size: .84rem;
}
.dl-texto-academico td { padding: .55rem .75rem; border-top: 1px solid var(--dl-borde); vertical-align: top; }
.dl-texto-academico tbody tr:nth-child(even) { background: var(--dl-superficie-2); }
.dl-tabla-scroll { overflow-x: auto; }

.dl-callout {
  border-left: 4px solid var(--dl-lila); background: var(--dl-lila-claro);
  padding: .85rem 1.1rem; border-radius: 0 var(--dl-radio-sm) var(--dl-radio-sm) 0; margin: 1rem 0;
}
.dl-callout--rosa  { border-color: var(--dl-rosa-viejo); background: var(--dl-rosa-claro); }
.dl-callout--aviso { border-color: var(--dl-aviso); background: var(--dl-aviso-bg); }
.dl-callout--exito { border-color: var(--dl-exito); background: var(--dl-exito-bg); }
.dl-callout__titulo { font-weight: 700; color: var(--dl-morado-osc); margin-bottom: .3rem; font-size: .92rem; }

/* Conceptos a memorizar */
.dl-concepto {
  background: var(--dl-superficie-2); border: 1px solid var(--dl-borde);
  border-radius: var(--dl-radio-sm); padding: .85rem 1rem; margin-bottom: .7rem;
  display: flex; gap: .8rem; align-items: flex-start;
}
.dl-concepto__termino { font-weight: 700; color: var(--dl-morado-osc); }
.dl-concepto__def { color: var(--dl-texto-suave); font-size: .93rem; }
.dl-concepto__estrella { margin-left: auto; color: var(--dl-texto-tenue); cursor: pointer; font-size: 1.05rem; background: none; border: 0; }
.dl-concepto__estrella.activo, .dl-concepto__estrella:hover { color: #e0a63f; }

/* Fuente bibliográfica */
.dl-fuente {
  font-size: .77rem; color: var(--dl-texto-tenue); font-style: italic;
  display: inline-flex; align-items: center; gap: .35rem; margin-top: .5rem;
}

/* --------------------------- Cuestionarios --------------------------- */
.dl-pregunta {
  background: var(--dl-superficie); border: 1px solid var(--dl-borde);
  border-radius: var(--dl-radio); padding: 1.4rem 1.5rem; box-shadow: var(--dl-sombra);
}
.dl-pregunta__enunciado { font-size: 1.09rem; font-weight: 600; color: var(--dl-texto); line-height: 1.55; margin-bottom: 1.1rem; }
.dl-pregunta__contexto {
  background: var(--dl-info-bg); border-left: 4px solid var(--dl-info);
  padding: .8rem 1rem; border-radius: 0 10px 10px 0; margin-bottom: 1rem; font-size: .93rem;
}

.dl-opcion {
  display: flex; align-items: flex-start; gap: .85rem;
  padding: .82rem 1rem; margin-bottom: .6rem;
  border: 2px solid var(--dl-borde); border-radius: var(--dl-radio-sm);
  background: var(--dl-superficie); cursor: pointer;
  transition: background .16s ease, border-color .16s ease; width: 100%; text-align: left; font-size: .95rem; color: var(--dl-texto);
}
.dl-opcion:hover:not(.bloqueada) { border-color: var(--dl-lila); background: var(--dl-lila-claro); }
.dl-opcion__letra {
  width: 29px; height: 29px; flex: 0 0 29px; border-radius: 9px;
  background: var(--dl-superficie-2); color: var(--dl-morado);
  display: grid; place-items: center; font-weight: 700; font-size: .84rem;
  border: 1px solid var(--dl-borde);
}
.dl-opcion.seleccionada { border-color: var(--dl-morado); background: var(--dl-lila-claro); }
.dl-opcion.seleccionada .dl-opcion__letra { background: var(--dl-morado); color: #fff; border-color: var(--dl-morado); }
.dl-opcion.correcta { border-color: var(--dl-exito); background: var(--dl-exito-bg); }
.dl-opcion.correcta .dl-opcion__letra { background: var(--dl-exito); color: #fff; border-color: var(--dl-exito); }
.dl-opcion.incorrecta { border-color: var(--dl-error); background: var(--dl-error-bg); }
.dl-opcion.incorrecta .dl-opcion__letra { background: var(--dl-error); color: #fff; border-color: var(--dl-error); }
.dl-opcion.bloqueada { cursor: default; }

.dl-retro {
  border-radius: var(--dl-radio-sm); padding: 1rem 1.15rem; margin-top: 1rem;
  border-left: 4px solid var(--dl-lila); background: var(--dl-lila-claro); font-size: .93rem;
}
.dl-retro.ok { border-color: var(--dl-exito); background: var(--dl-exito-bg); }
.dl-retro.mal { border-color: var(--dl-error); background: var(--dl-error-bg); }
.dl-retro__titulo { font-weight: 700; margin-bottom: .35rem; }

.dl-quiz-progreso { display: flex; align-items: center; gap: .8rem; font-size: .84rem; color: var(--dl-texto-suave); }
.dl-quiz-nav { display: flex; flex-wrap: wrap; gap: .32rem; }
.dl-quiz-nav button {
  width: 34px; height: 34px; border-radius: 9px; border: 1px solid var(--dl-borde);
  background: var(--dl-superficie); color: var(--dl-texto-suave); font-size: .8rem; font-weight: 600; cursor: pointer;
  transition: background .14s ease, border-color .14s ease, color .14s ease;
}
.dl-quiz-nav button:hover { border-color: var(--dl-lila); }
.dl-quiz-nav button.actual { background: var(--dl-morado); color: #fff; border-color: var(--dl-morado); }
.dl-quiz-nav button.respondida { background: var(--dl-lavanda); color: var(--dl-morado-osc); border-color: var(--dl-lila); }
.dl-quiz-nav button.marcada { box-shadow: inset 0 -3px 0 var(--dl-aviso); }

/* Cronómetro */
.dl-cronometro {
  font-family: var(--dl-fuente-titulo); font-size: 1.32rem; font-weight: 700;
  color: var(--dl-morado-osc); background: var(--dl-lila-claro);
  padding: .35rem 1rem; border-radius: 12px; border: 1px solid var(--dl-borde);
  display: inline-flex; align-items: center; gap: .5rem; font-variant-numeric: tabular-nums;
}
.dl-cronometro.alerta { background: var(--dl-error-bg); color: var(--dl-error); border-color: var(--dl-error); animation: dl-pulso 1.1s infinite; }
@keyframes dl-pulso { 0%,100% { opacity: 1; } 50% { opacity: .62; } }

/* --------------------------- Flashcards ------------------------------ */
.dl-flashcard { perspective: 1400px; height: 320px; cursor: pointer; }
.dl-flashcard__inner {
  position: relative; width: 100%; height: 100%;
  transition: transform .55s cubic-bezier(.4,.2,.2,1); transform-style: preserve-3d;
}
.dl-flashcard.volteada .dl-flashcard__inner { transform: rotateY(180deg); }
.dl-flashcard__cara {
  position: absolute; inset: 0; backface-visibility: hidden;
  border-radius: var(--dl-radio-lg); padding: 2rem;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; box-shadow: var(--dl-sombra-md); overflow-y: auto;
}
.dl-flashcard__frente { background: var(--dl-grad-principal); color: #fff; }
.dl-flashcard__frente .dl-fc-texto { font-family: var(--dl-fuente-titulo); font-size: 1.35rem; color: #fff; }
.dl-flashcard__reverso {
  background: var(--dl-superficie); color: var(--dl-texto);
  border: 2px solid var(--dl-lila); transform: rotateY(180deg);
}
.dl-flashcard__reverso .dl-fc-texto { font-size: 1.06rem; line-height: 1.6; }
.dl-fc-pista { font-size: .82rem; opacity: .85; margin-top: .9rem; }
.dl-fc-etiqueta { position: absolute; top: 1rem; left: 1rem; font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; opacity: .7; }
.dl-fc-voltear { position: absolute; bottom: 1rem; font-size: .74rem; opacity: .72; }

/* ------------------------- Estudia conmigo --------------------------- */
.dl-enfoque {
  background: linear-gradient(160deg, #f7f1fb 0%, #fdf3f7 100%);
  min-height: 100vh;
}
[data-tema="oscuro"] .dl-enfoque { background: linear-gradient(160deg, #221b2c 0%, #2b2035 100%); }
.dl-enfoque__caja { max-width: 860px; margin: 0 auto; padding: 2rem 1.4rem 4rem; }
.dl-enfoque__titulo { font-size: 2rem; text-align: center; margin-bottom: .4rem; }

/* --------------------------- Resultados ------------------------------ */
.dl-resultado-anillo { display: grid; place-items: center; }
.dl-resultado__puntaje { font-family: var(--dl-fuente-titulo); font-size: 3.4rem; font-weight: 700; color: var(--dl-morado-osc); line-height: 1; }

/* ----------------------------- Logros -------------------------------- */
.dl-logro {
  background: var(--dl-superficie); border: 1px solid var(--dl-borde);
  border-radius: var(--dl-radio); padding: 1.15rem; text-align: center; height: 100%;
  transition: transform .2s ease, box-shadow .2s ease; position: relative; overflow: hidden;
}
.dl-logro.obtenido { border-color: var(--dl-lila); box-shadow: 0 4px 18px rgba(124, 79, 158, .14); }
.dl-logro.obtenido::before {
  content: ''; position: absolute; inset: 0;
  background: var(--dl-grad-suave); opacity: .6; z-index: 0;
}
.dl-logro > * { position: relative; z-index: 1; }
.dl-logro__emoji { font-size: 2.3rem; line-height: 1; filter: grayscale(1); opacity: .35; }
.dl-logro.obtenido .dl-logro__emoji { filter: none; opacity: 1; }
.dl-logro__nombre { font-family: var(--dl-fuente-titulo); font-size: .98rem; color: var(--dl-morado-osc); margin: .55rem 0 .25rem; }

/* --------------------------- Versículo ------------------------------- */
.dl-versiculo {
  background: linear-gradient(135deg, #f4ecfa 0%, #fdeef4 100%);
  border: 1px solid var(--dl-borde); border-radius: var(--dl-radio);
  padding: 1.3rem 1.5rem; position: relative;
}
[data-tema="oscuro"] .dl-versiculo { background: linear-gradient(135deg, #2e2540 0%, #382a3a 100%); }
.dl-versiculo__texto { font-family: var(--dl-fuente-titulo); font-size: 1.06rem; font-style: italic; color: var(--dl-morado-osc); line-height: 1.65; }
.dl-versiculo__ref { font-size: .82rem; font-weight: 700; color: var(--dl-rosa-fuerte); margin-top: .5rem; letter-spacing: .03em; }
.dl-versiculo::before {
  content: '\201C'; position: absolute; top: -.4rem; left: .7rem;
  font-family: var(--dl-fuente-titulo); font-size: 4.2rem; color: var(--dl-lila); opacity: .38; line-height: 1;
}

/* ---------------------------- Calendario ----------------------------- */
.dl-cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.dl-cal__dow { font-size: .7rem; text-transform: uppercase; letter-spacing: .07em; color: var(--dl-texto-tenue); text-align: center; font-weight: 700; padding-bottom: .3rem; }
.dl-cal__dia {
  min-height: 92px; border: 1px solid var(--dl-borde); border-radius: 11px;
  padding: .38rem .45rem; background: var(--dl-superficie); font-size: .78rem;
  display: flex; flex-direction: column; gap: 3px;
}
.dl-cal__dia.otro-mes { opacity: .38; }
.dl-cal__dia.hoy { border-color: var(--dl-morado); box-shadow: 0 0 0 2px var(--dl-lavanda); }
.dl-cal__num { font-weight: 700; color: var(--dl-texto-suave); font-size: .78rem; }
.dl-cal__ev {
  font-size: .68rem; padding: .12rem .35rem; border-radius: 6px;
  background: var(--dl-lila-claro); color: var(--dl-morado); overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; cursor: pointer;
}
.dl-cal__ev.repaso { background: var(--dl-aviso-bg); color: var(--dl-aviso); }
.dl-cal__ev.examen { background: var(--dl-error-bg); color: var(--dl-error); }
.dl-cal__ev.completado { text-decoration: line-through; opacity: .6; }

/* ------------------------- Estados vacíos ---------------------------- */
.dl-vacio { text-align: center; padding: 3rem 1.5rem; color: var(--dl-texto-suave); }
.dl-vacio i { font-size: 2.9rem; color: var(--dl-lila); display: block; margin-bottom: .8rem; }
.dl-vacio h4 { color: var(--dl-morado-osc); font-size: 1.12rem; }

/* --------------------------- Tablas admin ---------------------------- */
.dl-tabla { width: 100%; font-size: .885rem; border-collapse: collapse; }
.dl-tabla thead th {
  background: var(--dl-superficie-2); color: var(--dl-morado-osc);
  font-weight: 650; font-size: .78rem; text-transform: uppercase; letter-spacing: .05em;
  padding: .7rem .8rem; border-bottom: 2px solid var(--dl-borde); text-align: left; white-space: nowrap;
}
.dl-tabla tbody td { padding: .65rem .8rem; border-bottom: 1px solid var(--dl-borde); vertical-align: middle; }
.dl-tabla tbody tr:hover { background: var(--dl-superficie-2); }

/* Formularios */
.dl-campo { margin-bottom: 1rem; }
.dl-label { display: block; font-size: .82rem; font-weight: 650; color: var(--dl-morado-osc); margin-bottom: .32rem; }
.dl-input, .dl-select, .dl-textarea {
  width: 100%; padding: .58rem .85rem; border: 1px solid var(--dl-borde-fuerte);
  border-radius: var(--dl-radio-sm); background: var(--dl-superficie); color: var(--dl-texto);
  font-size: .92rem; font-family: var(--dl-fuente); transition: border-color .16s ease, box-shadow .16s ease;
}
.dl-input:focus, .dl-select:focus, .dl-textarea:focus {
  border-color: var(--dl-lila); box-shadow: 0 0 0 4px var(--dl-lila-claro); outline: none;
}
.dl-textarea { min-height: 120px; resize: vertical; line-height: 1.6; }
.dl-ayuda { font-size: .77rem; color: var(--dl-texto-tenue); margin-top: .25rem; }

/* Bootstrap: armonizar */
.modal-content { border-radius: var(--dl-radio-lg); border: 1px solid var(--dl-borde); background: var(--dl-superficie); color: var(--dl-texto); }
.modal-header { background: var(--dl-grad-suave); border-bottom: 1px solid var(--dl-borde); border-radius: var(--dl-radio-lg) var(--dl-radio-lg) 0 0; }
.modal-title { font-family: var(--dl-fuente-titulo); color: var(--dl-morado-osc); }
.offcanvas { background: var(--dl-superficie); color: var(--dl-texto); }
.dropdown-menu {
  border-radius: var(--dl-radio); border: 1px solid var(--dl-borde);
  box-shadow: var(--dl-sombra-lg); background: var(--dl-superficie); padding: .4rem;
}
.dropdown-item { border-radius: 9px; color: var(--dl-texto); font-size: .89rem; padding: .48rem .7rem; }
.dropdown-item:hover, .dropdown-item:focus { background: var(--dl-lila-claro); color: var(--dl-morado-osc); }
.dropdown-divider { border-color: var(--dl-borde); }
.nav-tabs { border-bottom: 1px solid var(--dl-borde); gap: .2rem; }
.nav-tabs .nav-link {
  border: 0; border-radius: 11px 11px 0 0; color: var(--dl-texto-suave);
  font-size: .88rem; font-weight: 600; padding: .55rem 1rem;
}
.nav-tabs .nav-link:hover { background: var(--dl-lila-claro); color: var(--dl-morado); border-color: transparent; }
.nav-tabs .nav-link.active {
  background: var(--dl-superficie); color: var(--dl-morado-osc);
  border-bottom: 3px solid var(--dl-morado);
}
.form-check-input:checked { background-color: var(--dl-morado); border-color: var(--dl-morado); }
.form-check-input:focus { box-shadow: 0 0 0 .2rem var(--dl-lila-claro); border-color: var(--dl-lila); }

/* SweetAlert2 */
.swal2-popup { border-radius: var(--dl-radio-lg) !important; font-family: var(--dl-fuente) !important; background: var(--dl-superficie) !important; color: var(--dl-texto) !important; }
.swal2-title { font-family: var(--dl-fuente-titulo) !important; color: var(--dl-morado-osc) !important; }
.swal2-html-container { color: var(--dl-texto-suave) !important; }
.swal2-styled.swal2-confirm { background: var(--dl-grad-principal) !important; border-radius: 13px !important; font-weight: 600 !important; box-shadow: none !important; }
.swal2-styled.swal2-cancel { background: var(--dl-superficie-2) !important; color: var(--dl-texto-suave) !important; border-radius: 13px !important; font-weight: 600 !important; }
.swal2-styled.swal2-deny { border-radius: 13px !important; font-weight: 600 !important; }

/* DataTables */
.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
  border: 1px solid var(--dl-borde-fuerte); border-radius: 10px; padding: .3rem .6rem;
  background: var(--dl-superficie); color: var(--dl-texto);
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current {
  background: var(--dl-morado) !important; color: #fff !important; border-radius: 8px; border-color: var(--dl-morado) !important;
}
.dataTables_wrapper { color: var(--dl-texto-suave); font-size: .87rem; }

/* --------------------------- Utilidades ------------------------------ */
.dl-scroll-x { overflow-x: auto; }
.dl-sep { height: 1px; background: var(--dl-borde); margin: 1.2rem 0; border: 0; }
.text-morado { color: var(--dl-morado) !important; }
.text-rosa { color: var(--dl-rosa-fuerte) !important; }
.text-suave { color: var(--dl-texto-suave) !important; }
.text-tenue { color: var(--dl-texto-tenue) !important; }
.bg-lavanda { background: var(--dl-lavanda) !important; }
.bg-suave { background: var(--dl-superficie-2) !important; }
.fw-650 { font-weight: 650; }
.dl-mono { font-variant-numeric: tabular-nums; }

.dl-esqueleto {
  background: linear-gradient(90deg, var(--dl-superficie-2) 25%, var(--dl-lavanda) 50%, var(--dl-superficie-2) 75%);
  background-size: 200% 100%; animation: dl-brillo 1.4s infinite; border-radius: 8px;
}
@keyframes dl-brillo { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.dl-cargando { display: inline-block; width: 17px; height: 17px; border: 2.5px solid var(--dl-lila); border-top-color: var(--dl-morado); border-radius: 50%; animation: dl-girar .7s linear infinite; }
@keyframes dl-girar { to { transform: rotate(360deg); } }

.dl-fade-in { animation: dl-aparecer .35s ease; }
@keyframes dl-aparecer { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------------------------- Responsive ----------------------------- */
@media (max-width: 991.98px) {
  .dl-sidebar {
    position: fixed; left: 0; top: 0; transform: translateX(-100%);
    box-shadow: var(--dl-sombra-lg);
  }
  .dl-app.menu-abierto .dl-sidebar { transform: translateX(0); }
  .dl-app.menu-abierto::after {
    content: ''; position: fixed; inset: 0; background: rgba(50, 30, 65, .45);
    z-index: 1035; backdrop-filter: blur(2px);
  }
  .dl-contenido { padding: 1rem; }
  .dl-hero { padding: 1.4rem 1.3rem; }
  .dl-hero h1 { font-size: 1.35rem; }
  .dl-navbar { padding: 0 .85rem; gap: .6rem; }
  .dl-navbar__ruta { display: none; }
}

@media (max-width: 575.98px) {
  body { font-size: 15px; }
  .dl-metrica { padding: .85rem; }
  .dl-metrica__valor { font-size: 1.35rem; }
  .dl-seccion__cuerpo { padding: 1rem; }
  .dl-flashcard { height: 290px; }
  .dl-btn { padding: .58rem 1rem; }
}

/* ============================ IMPRESIÓN ============================== */
@media print {
  @page { size: letter portrait; margin: 18mm 16mm 20mm; }

  :root { --dl-texto: #000; --dl-morado-osc: #000; --dl-morado: #000; }

  html, body {
    background: #fff !important; color: #000 !important;
    font-size: 11.5pt; font-family: Georgia, 'Times New Roman', serif; line-height: 1.5;
  }

  .dl-sidebar, .dl-navbar, .dl-no-imprimir, .dl-btn, button,
  .dl-seccion__flecha, .dl-buscador-global, .dl-icon-btn,
  .modal, .offcanvas, .swal2-container, footer, nav { display: none !important; }

  .dl-app, .dl-main, .dl-contenido { display: block !important; padding: 0 !important; margin: 0 !important; max-width: 100% !important; }

  .dl-card, .dl-seccion, .dl-pregunta, .dl-concepto {
    box-shadow: none !important; border: 1px solid #999 !important;
    border-radius: 0 !important; page-break-inside: avoid; background: #fff !important;
  }
  .dl-seccion__cuerpo { display: block !important; padding: .5rem 0 !important; }
  .dl-seccion__cabecera { background: #fff !important; border-bottom: 2px solid #000 !important; padding: .3rem 0 !important; }
  .dl-seccion__num { background: #000 !important; color: #fff !important; }

  h1, h2, h3, h4 { color: #000 !important; page-break-after: avoid; }
  a { color: #000 !important; text-decoration: none !important; }
  a[href]:after { content: ''; }

  table { border-collapse: collapse !important; width: 100% !important; page-break-inside: avoid; }
  th, td { border: 1px solid #666 !important; padding: 4pt 6pt !important; background: #fff !important; }
  th { background: #eee !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }

  .dl-imp-encabezado { display: block !important; }
  .dl-salto-pagina { page-break-before: always; }
  .dl-evitar-corte { page-break-inside: avoid; }
}

/* Encabezado que solo existe al imprimir */
.dl-imp-encabezado { display: none; }