/*!
 * Bisonte Style for eXeLearning 3
 * ----------------------
 * Warm earth-tone color scheme derived from Bisonte.png - Clean interface for educational units
 *
 * Based on the Example Style by Ignacio Gros (eXeLearning.net)
 * Licensed under Creative Commons Attribution-NonCommercial-ShareAlike (CC BY-NC-SA).
 *
 * Note: The style's config.xml contains additional information
 *       about materials (images, fonts, etc.) created by third parties
 *       and included in this style.
 */

/* Paleta del tema. Generada por src/tema_cc_etapa.py desde
 * temas/etapas/base-conectacited.toml. No editar a mano.
 */
:root {
  --cc-navy:              #024047;  /* ink: texto, enlaces y relleno primario */
  --cc-azul-suave:        #A5D2DA;  /* cabecera, menú, pie y botones de iDevice */
  --cc-azul-claro:        #6CB5C2;  /* subcabecera de página, hover de menú y de botón */
  --cc-azul-borde:        #BBDDE3;  /* filete de caja y separador */
  --cc-azul-palido:       #E0F2F5;  /* fondo de página y cabecera de caja */
  --cc-azul-medio:        #017683;  /* relleno de píldora y texto de cabecera de tabla; borde en impresión */
  --cc-azul-plano:        #97CAD3;  /* barra de navegación superior */
  --cc-azul-aviso:        #E4F4F7;  /* fondo del bloque de aviso */
  --cc-azul-enlace-aviso: #004D57;  /* enlace dentro del bloque de aviso */
}

@font-face {
    font-family: 'Open Sans';
    font-style: normal;
    font-weight: 400;
    src: local('Open Sans'), local('OpenSans'),
        url(fonts/open-sans.woff2) format('woff2'),
        url(fonts/open-sans.woff) format('woff');
}
@font-face {
    font-family: 'Open Sans';
    font-style: normal;
    font-weight: 700;
    src: local('Open Sans Bold'), local('OpenSans-Bold'),
        url(fonts/open-sans-bold.woff2) format('woff2'),
        url(fonts/open-sans-bold.woff) format('woff');
}
@font-face {
    font-family: 'Poppins';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: local('Poppins SemiBold'), local('Poppins-SemiBold'),
        url(fonts/poppins-600.woff2) format('woff2');
}

/* Common definitions */
body.exe-export {
    background: var(--cc-azul-palido) url(rayitas-fondo.svg) repeat top left;
    background-size: 400px auto; /* tesela de filas solapadas, motivo reducido */
}
/* Set font size and font family in content and TinyMCE */
.exe-content,
body#tinymce {
    font-family: 'Open Sans', Arial, Verdana, Helvetica, sans-serif;
    line-height: 1.5em;
    font-size: 0.95em;
}
.exe-content p {
    margin: 1em 0;
}
.exe-content a {
    color: var(--cc-navy);
    text-decoration: none;
}
.exe-content a:hover,
.exe-content a:focus {
    color: #000000;
    text-decoration: underline;
}

/* Fix some issues... */
/* Quote With Authorship */
.exe-content .styled-qc {
    margin-top: 4em;
}

/* Page header */
.exe-content .package-header {
    background: var(--cc-azul-suave);
    color: var(--cc-navy);
    padding: 20px;
    position: relative; /* To set the position of the dark mode toggler */
}
body:has(#teacher-mode-toggler-wrapper) .package-title {
    padding-right: 100px;
}
#teacher-mode-toggler-wrapper {
    float: right;
}
body:has(.package-header #darkModeToggler) #teacher-mode-toggler-wrapper {
    margin-right: 45px;
}
#teacher-mode-toggler-wrapper .form-check-input {
    filter: grayscale(1);
}
#teacher-mode-toggler-wrapper .form-check-input:checked {
    filter: grayscale(0);
    background-color: var(--cc-azul-claro);
    border-color: var(--cc-azul-claro);
}
.exe-content .package-title {
    font-size: 1.2em;
    margin: 0;
}
.exe-content .package-subtitle {
    font-size: 1em;
    margin: 0.5em 0 0 0;
    opacity: 0.9;
}
.exe-content .page-header {
    background: var(--cc-azul-claro);
    color: var(--cc-navy);
    padding: 20px;
    margin-top: 20px;
}
#exe-index .page-header,
.exe-content:has(#siteNav a.main-node.active) .page-header,
body:has(#siteNav a.main-node.active) .page-header {
    display: none;
}
.exe-content .page-title {
    font-size: 1.8em;
    margin: 0;
}
/* Titulares con Poppins (geométrica, como la web de referencia) */
.exe-content .page-title,
.exe-content .box-title,
.exe-content h1,
.exe-content h2,
.exe-content h3,
.steamath-brand {
    font-family: 'Poppins', 'Open Sans', Arial, sans-serif;
    font-weight: 600;
}

/* Page content and common elements (max-width) */
.exe-export .exe-content {
    max-width: 1280px;
    padding: 40px;
    margin: 40px auto;
    background: #ffffff;
    border-radius: 0px; /* Bordes rectos (sin esquinas cóncavas) */
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
    position: relative; /* To set the position of the Page counter */
}

/* Page counter */
.exe-content .page-counter {
    position: absolute;
    top: 55px;
    right: 40px;
    background: var(--cc-azul-suave);
    color: var(--cc-navy);
    font-size: 0.9em;
    z-index: 99;
}

/* Boxes / iDevices */
.exe-content .box {
    border: 1px solid var(--cc-azul-borde);
    margin: 20px 0;
}
.exe-content .box-content {
    border-top: 1px solid var(--cc-azul-borde);
}
.exe-content .box-head {
    border: 0;
    background: var(--cc-azul-palido);
    min-height: 70px; /* Icon size + margin */
    padding: 10px;
    position: relative;
}
.exe-content .box-icon {
    float: left;
    margin-right: 10px;
}
.exe-content .box-head.no-icon {
    padding-left: 20px;
}
.exe-content .box-icon img {
    width: 50px;
    height: auto;
    scale: .9;
}
.exe-export .box-title {
    padding-top: 15px;
}

/* iDevices: bloques de aviso amarillos (warning/alert) -> azul claro de la paleta */
.exe-content .exe-block-warning,
.exe-content p.exe-block-warning,
.exe-content .exe-block-alert,
.exe-content p.exe-block-alert {
    background: var(--cc-azul-aviso);
    color: var(--cc-navy);
    border-color: var(--cc-azul-borde);
}
.exe-content .exe-block-warning a,
.exe-content .exe-block-warning a:hover,
.exe-content .exe-block-warning a:focus,
.exe-content .exe-block-alert a,
.exe-content .exe-block-alert a:hover,
.exe-content .exe-block-alert a:focus {
    color: var(--cc-azul-enlace-aviso);
}
.exe-export .box-head .box-toggle {
    position: absolute;
    right: 10px;
    top: 10px;
    border: none;
    display: block;
    background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%2300626e' d='M12 8l-6 6 1.4 1.4L12 10.8l4.6 4.6L18 14z'/%3E%3C/svg%3E") no-repeat center center / 24px 24px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    transition: rotate 0.5s ease;
}
.exe-export .box.minimized .box-head .box-toggle {
    rotate: -180deg;
}
.exe-export .box-head .box-toggle span {
    position: absolute;
    clip: rect(1px 1px 1px 1px);
    clip: rect(1px, 1px, 1px, 1px);
}
.exe-export .box-content {
    padding: 20px;
}
/* iDevices with no box head (no title, icon or toggler) */
.exe-export .box.no-header:not(:has(.box-toggle)) .box-head {
    display: none;
}
.exe-export .box.no-header:not(:has(.box-toggle)) .box-content {
    border-top: 0;
}

/* Feedback buttons */
.exe-content .iDevice_buttons input[type='button'],
.exe-content .iDevice_buttons input[type='submit'] {
    border:none;
    background: var(--cc-azul-suave);
    color: var(--cc-navy);
    padding: .5em 1em;
    margin: .5em 0;
    transition: all 1s ease;

}
.exe-content .iDevice_buttons input[type='button']:hover,
.exe-content .iDevice_buttons input[type='button']:focus,
.exe-content .iDevice_buttons input[type='submit']:hover,
.exe-content .iDevice_buttons input[type='submit']:focus {
    background: var(--cc-azul-claro);
}

/* Site footer */
#siteFooter {
    background: var(--cc-azul-suave);
    color: var(--cc-navy);
    padding: 20px;
}
#siteFooter a {
    color: var(--cc-navy);
    text-decoration: underline;
}
#siteFooter #packageLicense p {
    margin-top: 0;
}

/* Website */
.exe-web-site .main-header,
.exe-web-site .page-content,
.exe-web-site #siteFooterContent {
    max-width: 1280px;
    margin: 0 auto;
}
.exe-web-site .page-content {
    padding: 0;
}

/* Navigation menu */
#siteNav {
    float: left;
    background: var(--cc-azul-suave);
    width: 300px;
}
@media (min-width: 576px) {
    /* Optional (site menu scrollbar) */
    #siteNav {
        position: fixed;
        max-height: calc(100vh - 25px);
        overflow-y: auto;
        padding-bottom: 40px;
    }
}
#siteNav .other-section {
    display: none; /* Optional (hide subpages) */
}
#siteNav ul {
    margin: 10px 0 0 10px;
    padding: 0;
    list-style: none;
}
#siteNav ul ul {
    margin-top: 5px;
}
#siteNav li {
    margin: 0 0 5px 0;
    padding: 0;
    list-style: none;
}
#siteNav a {
    color: var(--cc-navy);
    display: block;
    padding: 8px 15px;
    max-width: 280px;
    background: var(--cc-azul-suave);
}
#siteNav a.active {
    text-decoration: underline;
}
#siteNav a.highlighted-link {
    color: var(--cc-navy);
    background: var(--cc-azul-claro);
}
#siteNav a.highlighted-link:hover,
#siteNav a.highlighted-link:focus {
    background: var(--cc-azul-claro);
    color: var(--cc-navy);
}
#siteNav a:hover,
#siteNav a:focus {
    background: var(--cc-azul-claro);
    color: var(--cc-navy);
    text-decoration: none;
}
#siteNav ul ul {
    margin-left: 0;
}
#siteNav ul ul a {
    padding-left: 35px;
    font-size: 0.95em;
}
#siteNav ul ul ul a {
    padding-left: 55px;
    font-size: 0.9em;
}
#siteNav ul ul ul ul a {
    padding-left: 75px;
}

/* Web content layout */
.exe-web-site .exe-content {
    max-width: none;
    padding: 0 0 20px 0;
    position: relative;
    /* Columna de rayitas (300px, bajo el menú) + franja blanca hasta el contenido */
    background:
        linear-gradient(to right, transparent 300px, #ffffff 300px),
        url(rayitas-fondo.svg) repeat top left / 400px auto,
        var(--cc-azul-palido);
    box-shadow: none; /* sin sombreado sobre las bandas superior e inferior */
}
.exe-web-site main.page {
    padding-top: 20px;
    margin-left: 320px; /* #siteNav width + margin */
    padding-right: 20px;
    background: #ffffff; /* área de contenido blanca sobre el fondo de rayitas */
    min-height: calc(100vh - 171px); /* Sticky footer */
}
.exe-web-site #siteFooter {
    background: none;
    padding: 0 20px 0 320px; /* 320 = #siteNav width + margin */
}
.exe-web-site #siteFooterContent {
    background: var(--cc-azul-suave);
    color: var(--cc-navy);
    margin: 0 auto;
    padding: 20px;
}

/* Hidden navigation */
body.siteNav-off .exe-content {
    background: #ffffff; /* Sin columna de rayitas cuando el menú está oculto */
}
body.siteNav-off #siteNav {
    display: none;
}
body.siteNav-off main.page,
body.siteNav-off #siteFooter {
    margin-left: 0;
    padding-left: 20px;
}

/* Search bar */
button#searchBarTogger {
    display: none;
}
.exe-search-on #searchBarTogger {
    display: block;
}
#exe-client-search {
    display: none;
}
#exe-client-search {
    max-width: 1280px;
    margin: -10px auto 0 auto;
    text-align: center;
}
#exe-client-search-reset span {
    position: absolute;
    clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
    clip: rect(1px, 1px, 1px, 1px);
}
#exe-client-search {
    display: none;
    margin-bottom: 30px;
}
#exe-client-search-text {
    display: inline;
    max-width: 900px;
}
#exe-client-search-submit {
    text-indent: -999em;
    background: var(--cc-azul-suave) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%2300626e' d='M15.5 14h-.79l-.28-.27a6.5 6.5 0 1 0-.7.7l.27.28v.79l4.99 5L20.49 19zm-6 0A4.5 4.5 0 1 1 14 9.5 4.5 4.5 0 0 1 9.5 14z'/%3E%3C/svg%3E") no-repeat center center / 20px 20px;
    background-size: auto 40px;
    width: 38px;
    height: 38px;
    border: none;
    border-radius: 4px;
}
#exe-client-search-reset.visible {
    background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%2300626e' d='M19 6.4 17.6 5 12 10.6 6.4 5 5 6.4 10.6 12 5 17.6 6.4 19 12 13.4 17.6 19 19 17.6 13.4 12z'/%3E%3C/svg%3E") no-repeat center center / 18px 18px;
    background-size: auto 40px;
    width: 38px;
    height: 38px;
    display: inline-block;
    vertical-align: middle;
    position: relative;
    top: -2px;
    left: -5px;
    opacity: 0.6;
    border-radius: 4px;
}
#exe-client-search-reset:hover,
#exe-client-search-reset:focus {
    opacity: 1;
}
#exe-client-search-submit:hover,
#exe-client-search-submit:focus {
    background-color: var(--cc-azul-claro);
}
#exe-client-search-results-list {
    text-align: left;
}
#exe-client-search-results-list ul,
#exe-client-search-results-list li {
    margin: 2em 0;
    padding: 0;
    list-style: none;
}
#exe-client-search-results-list li {
    margin: 0 0 1em 0;
}
#exe-client-search-results-list p {
    margin-top: 2em;
}

/* Accessibility toggle icon */
#dua-toggle .dua-a11y-icon {
    display: block;
    width: 26px;
    height: 26px;
}

/* Top navigation bar */
#siteNavToggler span,
#searchBarTogger span,
#darkModeToggler span,
.nav-buttons a span,
.nav-buttons span span {
    position: absolute;
    clip: rect(1px 1px 1px 1px);
    clip: rect(1px, 1px, 1px, 1px);
}
.nav-buttons span.nav-button-left,
.nav-buttons span.nav-button-right {
    cursor: default;
    pointer-events: none;
}
#siteNavToggler {
    position: fixed;
    top: 0;
    left: 0;
    border: none;
    display: block;
    background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%2300626e' d='M3 6h18v2.2H3zm0 4.9h18v2.2H3zm0 4.9h18V18H3z'/%3E%3C/svg%3E") no-repeat center center / 26px 26px;
    width: 50px;
    height: 50px;
    z-index: 100;
}
#searchBarTogger {
    position: fixed;
    top: 0;
    left: 50px;
    border: none;
    display: block;
    background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%2300626e' d='M15.5 14h-.79l-.28-.27a6.5 6.5 0 1 0-.7.7l.27.28v.79l4.99 5L20.49 19zm-6 0A4.5 4.5 0 1 1 14 9.5 4.5 4.5 0 0 1 9.5 14z'/%3E%3C/svg%3E") no-repeat center center / 26px 26px;
    width: 50px;
    height: 50px;
    z-index: 100;
}
#darkModeToggler {
    position: absolute;
    right: 10px;
    top: 8px;
    border: none;
    display: block;
    background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='9' fill='none' stroke='%2300626e' stroke-width='2'/%3E%3Cpath fill='%2300626e' d='M12 5a7 7 0 0 1 0 14z'/%3E%3C/svg%3E") no-repeat center center / 24px 24px;
    width: 50px;
    height: 50px;
    z-index: 100;
    scale: .8;
}
.exe-web-site #darkModeToggler {
    position: fixed;
    top: 0;
    right: 270px;
    scale: 1;
}
.nav-buttons {
    position: fixed;
    top: 0;
    left: 0;
    height: 50px;
    border: none;
    background: var(--cc-azul-plano); /* medio paso más oscuro que la cabecera (var(--cc-azul-suave)) para separar planos */
    width: 100%;
}
.nav-buttons .nav-button-left {
    position: absolute;
    top: 0;
    right: 150px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--cc-azul-plano);
    height: 50px;
    padding: 0 14px;
    color: var(--cc-navy);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 0.2s;
}
.nav-buttons .nav-button-right {
    display: flex;
    align-items: center;
    background: var(--cc-azul-plano);
    height: 50px;
    padding: 0 14px;
    color: var(--cc-navy);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 0.2s;
}
.nav-buttons .nav-button-left::before {
    content: "\25C4  Anterior";
    font-size: 14px;
}
.nav-buttons .nav-button-right::before {
    content: "Siguiente  \25BA";
    font-size: 14px;
}
.nav-buttons .nav-button-right::after {
    content: none;
}
.nav-buttons a.nav-button-left:hover,
.nav-buttons a.nav-button-right:hover {
    background: var(--cc-azul-claro);
    color: var(--cc-navy);
}
/* Nav button group wrapper - keeps both buttons adjacent with flexbox */
.nav-btn-group {
    position: absolute;
    top: 0;
    right: 0;
    height: 50px;
    display: flex;
    align-items: stretch;
}
.nav-btn-group .nav-button-left,
.nav-btn-group .nav-button-right {
    position: static !important;
    right: auto !important;
    top: auto !important;
}

/* Page counter */
.exe-web-site .page-counter,
.nav-buttons .page-counter {
    position: fixed;
    top: 0;
    right: 330px;
    z-index: 100;
    background: none;
    height: 50px;
    line-height: 50px;
    margin: 0;
    padding: 0;
    color: var(--cc-navy);
    font-weight: normal;
}
body.exe-web-site {
    padding-top: 50px; /* .nav-buttons (top navigation bar) height */
}

@media (max-width: 575.98px) {
    #siteNav {
        width: 100%;
        float: none;
        padding-bottom: 10px;
    }
    #siteNav > ul {
        margin-right: 10px;
    }
    #siteNav a {
        max-width: 100%;
    }
    .exe-web-site main.page,
    .exe-web-site #siteFooter {
        margin-left: 0;
        padding-left: 20px;
    }
    .exe-web-site .exe-content {
        background: #ffffff; /* No false left column */
    }
}

/* iPad/tablets: subir los botones flotantes por encima de la barra de Safari (Safe Area) */
@media (max-width: 1024px) {
    #dua-toggle { bottom: 75px !important; }
    .exe-fullscreen-btn { bottom: 75px !important; }
    #dua-panel { bottom: 125px !important; }
}

@media print {
    html body.exe-export {
        background: #ffffff;
    }
    .exe-export .exe-content {
        background: #ffffff;
        box-shadow: none;
        color: #000000;
        padding: 0;
    }
    @page {
        margin: 1.5cm;
    }
    .exe-export .box-toggle {
        display: none;
    }
    .exe-web-site #siteNav,
    .exe-web-site .nav-buttons,
    .exe-web-site button.toggler {
        display: none;
    }
    .exe-export #siteFooter,
    .exe-export #siteFooterContent,
    .exe-export main.page,
    .exe-export .package-header,
    .exe-export .page-header {
        padding-left: 0;
        padding-right: 0;
    }
    .exe-export .page-counter {
        top: 0;
        right: 0;
    }
}

/* eXe Dark Mode */
@media screen {
    html.exe-dark-mode {
        filter: invert(98%) hue-rotate(180deg);
    }
    html.exe-dark-mode :is(img, video, iframe) {
        filter: invert(100%) hue-rotate(180deg);
    }
    html.exe-dark-mode #made-with-eXe a {
        filter: invert(100%) hue-rotate(180deg);
        opacity: 1;
    }
    /* La barra superior se invierte con el filtro global (sin doble inversión):
       así Anterior/Siguiente y los botones quedan oscuros y coherentes */
    html.exe-dark-mode #eXeAtoolsBtnSet,
    html.exe-dark-mode #eXeAtoolsSet{
        filter: invert(94%) hue-rotate(180deg);
        box-shadow: rgb(255, 255, 255) 0px 0 2px;
    }
}

/* In eXeLearning */
#node-content-container .box-head {
    border: 1px solid var(--cc-azul-borde) !important;
    margin-bottom: 10px;
}

#exe-atools, #eXeAtools, #exe-a-tools, #eXeAtoolsBtnSet, #eXeAtoolsSet { display: none !important; }

/* Footer: logos institucionales (CITED + Consejería de Educación) */
.footer-logos {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 36px;
    padding: 20px 10px;
    max-width: 1280px;
    margin: 0 auto;
    background: #ffffff; /* franja de logos sobre fondo blanco */
}
.footer-logos .footer-logo {
    display: block;
    height: 75px;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: contain;
}
.footer-logos .footer-logo-cited {
    width: 145px; /* ratio 2.6:1 -> se dibuja a ~55px de alto, en línea con el resto */
    background-image: url(LogoCITED.svg);
}
.footer-logos .footer-logo-consejeria {
    width: 113px; /* ratio 1.4:1 -> llena los 75px de alto (logo apilado) */
    background-image: url(LogoConsejeriaNegro.svg);
}
.footer-logos .footer-logo-codigoescuela {
    width: 238px; /* logo muy apaisado (ratio ~8.6:1); con contain queda a ~28px de alto */
    background-image: url(LogoCodigoEscuela.svg);
}

/* Hard removal of all possible eXe native accessibility bars */
#eXeAtoolsBtnSet,
#eXeAtoolsSet,
#exe-atools,
.exe-atools,
.exeAtools {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    height: 0 !important;
    width: 0 !important;
}

/* Hide Teacher Mode */
#teacher-mode-toggler-wrapper { display: none !important; }

.steamath-brand {
    position: fixed;
    top: 0;
    left: 110px; /* Right after the togglers */
    height: 50px;
    line-height: 50px;
    color: var(--cc-navy);
    font-size: 1.1em;
    font-weight: 600;
    z-index: 100;
    pointer-events: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: calc(100vw - 400px); /* Prevents overlapping with the right-side page counters and nav buttons */
}
@media (max-width: 768px) {
    .steamath-brand { font-size: 0.9em; left: 100px; }
}

/* --- FX BLOCKS OVERRIDES --- */
.exe-accordion h2 a,
.fx-accordion-title,
.fx-tabs a,
.fx-carousel h2 a,
.fx-timeline h2 a,
div.exe-fx-accordion h2 a,
div.exe-fx-tabs h2 a,
div.exe-fx-carousel h2 a,
.exe-fx-pagination a,
.fx-pagination a,
.exe-pagination a,
.pagination > li > a, 
.pagination > li > span,
.fx-btn {
    background-color: var(--cc-azul-suave) !important;
    background-image: none !important;
    color: var(--cc-navy) !important;
    border-color: var(--cc-azul-medio) !important;
}

/* Selector desplegable FX móvil */
.exe-fx select,
.fx-select,
.fx-btn-selector {
    color: var(--cc-navy) !important;
    border-color: var(--cc-azul-medio) !important;
}

.exe-accordion h2 a:hover,
.fx-accordion-title:hover,
.fx-tabs a:hover,
.fx-tabs a.active,
.fx-carousel h2 a:hover,
.fx-carousel h2 a.active,
.fx-timeline h2 a:hover,
div.exe-fx-accordion h2 a:hover,
div.exe-fx-tabs h2 a:hover,
div.exe-fx-tabs .fx-tabs-nav li.active a,
div.exe-fx-carousel h2 a:hover,
div.exe-fx-carousel .fx-carousel-nav a.active,
.exe-fx-pagination a:hover,
.exe-fx-pagination a.active,
.fx-pagination a:hover,
.fx-pagination a.active,
.exe-pagination li a:hover,
.exe-pagination li.active a,
.pagination > li > a:hover,
.pagination > .active > a,
.fx-btn:hover,
.fx-btn:focus,
.fx-btn.active {
    background-color: var(--cc-azul-claro) !important;
    background-image: none !important;
    color: var(--cc-navy) !important;
    border-color: var(--cc-azul-claro) !important;
}

/* Feedback buttons fallback */
input[type="button"].feedbackbutton,
input[type="submit"].feedbackbutton,
.feedbackbutton,
.btn-primary {
    background-color: var(--cc-azul-suave) !important;
    color: var(--cc-navy) !important;
    border: none !important;
}
input[type="button"].feedbackbutton:hover,
input[type="submit"].feedbackbutton:hover,
.feedbackbutton:hover,
.btn-primary:hover {
    background-color: var(--cc-azul-claro) !important;
}

/* Ensure all iDevice and pagination text is black/brown to fix accessibility */
.iDeviceTitle, .iDevice_header, .box-head, .box-title, .iDevice_content, .iDevice_inner, .iDevice, .exe-text,
.pagination, .pagination a, .pagination span,
.fx-accordion-title, .fx-tab, .fx-timeline-title, .fx-tabs a, .fx-accordion h2, .fx-timeline h2, .fx-title,
.js-accordion-header, .js-tab, .exe-bck-title, .bck-title, .bck-title1, .bck-title2, .bck-title3, .bck-title4 {
    color: var(--cc-navy) !important;
}

/* Force dark brown text inside FX block contents (accordion panels, tab panels, carousel slides, timeline items) */
.exe-fx, .exe-fx *,
.exe-accordion, .exe-accordion *,
.exe-tabs, .exe-tabs *,
.exe-carousel, .exe-carousel *,
.exe-timeline, .exe-timeline *,
.exe-fx-accordion, .exe-fx-accordion *,
.exe-fx-tabs, .exe-fx-tabs *,
.exe-fx-carousel, .exe-fx-carousel *,
.exe-fx-timeline, .exe-fx-timeline *,
.fx-accordion, .fx-accordion *,
.fx-tabs, .fx-tabs *,
.fx-carousel, .fx-carousel *,
.fx-timeline, .fx-timeline *,
.fx-accordion-content, .fx-tabs-content, .fx-carousel-content, .fx-timeline-content,
.fx-accordion-content *, .fx-tabs-content *, .fx-carousel-content *, .fx-timeline-content *,
[class*="fx-"], [class*="fx-"] * {
    color: var(--cc-navy) !important;
}
/* MODERNIZACION COMUN: PILOTO */
/* Base moderna compartida. Los adaptadores asignan --md-* desde cada paleta.
   Solo navegación y contenido: nunca controles de la interfaz de autoría. */
:root {
  --md-radius-sm: 10px;
  --md-radius: 16px;
  --md-radius-lg: 22px;
  --md-duration: 180ms;
  --md-shadow: 0 6px 20px -12px color-mix(in srgb, var(--md-ink) 22%, transparent);
  --md-shadow-hover: 0 12px 26px -14px color-mix(in srgb, var(--md-ink) 32%, transparent);
}
/* El fondo opaco también es la alternativa sin backdrop-filter. */
body.exe-export {
  background-color: var(--md-canvas);
  background-image: radial-gradient(ellipse at 10% 0%, var(--md-wash), transparent 65%);
}
body.exe-export #siteNav,
body.exe-export .nav-buttons,
.exe-content .package-header {
  background: var(--md-chrome);
  color: var(--md-chrome-ink);
  border: 1px solid var(--md-chrome-border);
  box-shadow: var(--md-shadow);
}
body.exe-export #siteNav { border-radius: var(--md-radius); }
.exe-content .package-header { border-radius: var(--md-radius); }
@supports (backdrop-filter: blur(12px)) {
  body.exe-export #siteNav,
  body.exe-export .nav-buttons,
  .exe-content .package-header {
    background: color-mix(in srgb, var(--md-chrome) 94%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
}
body.exe-export #siteNav a {
  background: transparent;
  color: var(--md-chrome-ink);
  border-radius: var(--md-radius-sm);
  border: 1px solid transparent;
  min-height: 44px;
  transition: background-color var(--md-duration) ease, border-color var(--md-duration) ease;
}
body.exe-export #siteNav a.active,
body.exe-export #siteNav a.highlighted-link,
body.exe-export #siteNav a:focus-visible {
  background: var(--md-chrome-active);
  color: var(--md-chrome-ink);
  border-color: var(--md-chrome-border);
  box-shadow: inset 3px 0 var(--md-chrome-ink);
  text-decoration: none;
}
body.exe-export .nav-buttons .nav-button {
  background: transparent;
  color: var(--md-chrome-ink);
  transition: background-color var(--md-duration) ease;
}
body.exe-export .nav-buttons .page-counter {
  position: absolute;
  top: 0;
  left: 50%;
  right: auto;
  height: 50px;
  display: flex;
  align-items: center;
  background: transparent;
  color: var(--md-chrome-ink);
}
/* El papel y los cuerpos de lectura permanecen opacos. */
.exe-content .page-header {
  background: var(--md-wash);
  color: var(--md-ink);
  border: 1px solid var(--md-border);
  border-radius: var(--md-radius);
}
.exe-content .page-title { line-height: 1.25; }
.exe-content .page-counter {
  background: var(--md-wash);
  color: var(--md-ink);
  border: 1px solid var(--md-border);
  border-radius: var(--md-radius-sm);
  padding: .35rem .65rem;
}
body.exe-export .exe-content .box {
  border-radius: var(--md-radius);
  background: var(--md-surface);
  border-color: var(--md-border);
  box-shadow: var(--md-shadow);
  transform: none;
}
.exe-content .box-head {
  border-radius: var(--md-radius) var(--md-radius) 0 0;
  background: var(--md-wash);
  color: var(--md-ink);
}
.exe-content .box-content { border-color: var(--md-border); }
/* Mayor especificidad que el CSS heredado dentro del material importado.
   Los aliases permanecen dentro del contenido, sin contaminar otros widgets. */
.exe-content .exe-source-content,
body#tinymce .exe-source-content,
body.mce-content-body .exe-source-content {
  --color-primary: var(--md-accent);
  --color-secondary: var(--md-accent);
  --color-accent: var(--md-wash);
  --color-background: var(--md-surface);
  --color-card: var(--md-surface);
  --color-text-dark: var(--md-ink);
  --color-light-text: var(--md-on-accent);
  --color-border: var(--md-border);
  --shadow: var(--md-shadow);
  --shadow-hover: var(--md-shadow-hover);
  --transition: background-color var(--md-duration) ease, box-shadow var(--md-duration) ease;
  background: var(--md-surface);
  color: var(--md-ink);
  line-height: 1.7;
  font-family: inherit;
}
.exe-content .exe-source-content .section { margin-block: 0 1.5rem; }
.exe-content .exe-source-content .accordion { margin-block: 0 1rem; }
.exe-content .exe-source-content .accordion .accordion-header {
  position: relative;
  min-height: 64px;
  gap: 1rem;
  padding: 1.1rem 1.4rem;
  background: var(--md-wash);
  color: var(--md-ink);
  border: 1px solid var(--md-border);
  border-radius: var(--md-radius);
  box-shadow: var(--md-shadow);
  transition: transform var(--md-duration) ease, box-shadow var(--md-duration) ease,
    border-color var(--md-duration) ease;
  transform: none;
}
@supports (backdrop-filter: blur(12px)) {
  .exe-content .exe-source-content .accordion .accordion-header {
    background: linear-gradient(115deg,
      color-mix(in srgb, var(--md-surface) 96%, transparent),
      color-mix(in srgb, var(--md-wash) 96%, transparent));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
}
.exe-content .exe-source-content .accordion .accordion-header h2,
.exe-content .exe-source-content .accordion .accordion-header h3 {
  color: var(--md-ink);
  font-size: clamp(1.05rem, 1.4vw, 1.3rem);
  line-height: 1.4;
}
.exe-content .exe-source-content .accordion .accordion-header .icon {
  flex: none;
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--md-wash);
  color: var(--md-accent);
  border: 1px solid var(--md-border);
  transition: transform var(--md-duration) ease;
}
.exe-content .exe-source-content .accordion .accordion-header.active {
  border-radius: var(--md-radius) var(--md-radius) 0 0;
  border-color: var(--md-accent);
  box-shadow: none;
  transform: none;
}
.exe-content .exe-source-content .accordion .accordion-content {
  background: var(--md-surface);
  color: var(--md-ink);
  border-color: var(--md-border);
  border-radius: 0 0 var(--md-radius) var(--md-radius);
  transition-duration: var(--md-duration);
}
.exe-content .exe-source-content .accordion .content-wrapper {
  padding: clamp(1rem, 2.5vw, 1.75rem);
}
.exe-content .exe-source-content .resource-link,
.exe-content .exe-source-content .control-btn,
.exe-content .iDevice_buttons input[type='button'],
.exe-content .iDevice_buttons input[type='submit'] {
  background: var(--md-accent);
  color: var(--md-on-accent);
  border: 1px solid var(--md-accent);
  border-radius: var(--md-radius-sm);
  min-height: 44px;
  padding: .7rem 1.1rem;
  box-shadow: var(--md-shadow);
  transition: transform var(--md-duration) ease, box-shadow var(--md-duration) ease,
    background-color var(--md-duration) ease;
}
.exe-content .exe-source-content .resource-link:active,
.exe-content .exe-source-content .control-btn:active { transform: translateY(0); }
.exe-content .exe-source-content .flashcard-front,
.exe-content .exe-source-content .flashcard-back {
  border-radius: var(--md-radius);
  background: var(--md-wash);
  color: var(--md-ink);
  border: 1px solid var(--md-border);
  box-shadow: var(--md-shadow);
}
.exe-content .exe-source-content .flashcard-front h4,
.exe-content .exe-source-content .flashcard-back h4,
.exe-content .exe-source-content .rubric-table th { color: var(--md-accent); }
.exe-content .exe-source-content .flashcard-front-prompt { color: var(--md-ink); }
.exe-content .exe-source-content .flashcard-inner { transition-duration: 220ms; }
.exe-content .exe-source-content header {
  background: var(--md-wash);
  color: var(--md-ink);
  border-radius: var(--md-radius);
}
/* :where mantiene bajo el peso; los controles se identifican explícitamente. */
body.exe-export :where(#siteNav a, .nav-button, #siteNavToggler, #searchBarTogger):focus-visible,
.exe-content :where(.resource-link, .control-btn, .accordion-header, .tab-link,
  .exe-flip-toggle, .box-toggle, .iDevice_buttons input):focus-visible {
  outline: 3px solid var(--md-accent);
  outline-offset: 3px;
}
/* En el cromo oscuro el foco usa el color claro del menú. */
body.exe-export #siteNav a:focus-visible,
body.exe-export .nav-button:focus-visible { outline-color: var(--md-chrome-ink); }
@media (hover: hover) and (pointer: fine) {
  body.exe-export #siteNav a:hover,
  body.exe-export .nav-buttons .nav-button:hover {
    background: var(--md-chrome-active);
    color: var(--md-chrome-ink);
  }
  .exe-content .exe-source-content .accordion .accordion-header:hover {
    border-color: var(--md-accent);
    box-shadow: var(--md-shadow-hover);
    transform: translateY(-1px);
  }
  .exe-content .exe-source-content .resource-link:hover,
  .exe-content .exe-source-content .control-btn:hover,
  .exe-content .iDevice_buttons input[type='button']:hover,
  .exe-content .iDevice_buttons input[type='submit']:hover {
    background: var(--md-accent-hover);
    color: var(--md-on-accent);
    opacity: 1;
    box-shadow: var(--md-shadow-hover);
    transform: translateY(-1px);
  }
}
@media (max-width: 600px) {
  body.exe-export .nav-buttons .page-counter { display: none; }
  .exe-content .exe-source-content .accordion .accordion-header {
    padding: .9rem 1rem;
    min-height: 56px;
  }
  body.exe-export #siteNav { border-radius: 0; }
}
@media (hover: none), (pointer: coarse) {
  .exe-content .exe-source-content .accordion .accordion-header:hover,
  .exe-content .exe-source-content .resource-link:hover,
  .exe-content .exe-source-content .control-btn:hover {
    transform: none;
    opacity: 1;
  }
}
@media (prefers-reduced-motion: reduce) {
  body.exe-export #siteNav a,
  body.exe-export .nav-buttons .nav-button,
  .exe-content .exe-source-content .accordion .accordion-header,
  .exe-content .exe-source-content .accordion .accordion-header .icon,
  .exe-content .exe-source-content .accordion .accordion-content,
  .exe-content .exe-source-content .resource-link,
  .exe-content .exe-source-content .control-btn,
  .exe-content .exe-source-content .flashcard-inner,
  .exe-content .iDevice_buttons input {
    transition: none !important;
  }
  .exe-content .exe-source-content .accordion .accordion-header:hover,
  .exe-content .exe-source-content .resource-link:hover,
  .exe-content .exe-source-content .control-btn:hover,
  .exe-content .iDevice_buttons input:hover { transform: none !important; }
}
body#tinymce .exe-source-content .accordion-header,
body.mce-content-body .exe-source-content .accordion-header { transform: none !important; }
@media print {
  body.exe-export #siteNav,
  body.exe-export .nav-buttons,
  .exe-content .package-header,
  .exe-content .exe-source-content .accordion .accordion-header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: var(--md-surface);
    color: var(--md-ink);
    box-shadow: none;
  }
  .exe-content .exe-source-content .accordion-header { transform: none !important; }
}

:root {
  --md-surface: #ffffff;
  --md-canvas: var(--cc-azul-palido);
  --md-wash: var(--cc-azul-palido);
  --md-ink: var(--cc-navy);
  --md-accent: var(--cc-navy);
  --md-accent-hover: var(--cc-azul-enlace-aviso);
  --md-on-accent: #ffffff;
  --md-border: var(--cc-azul-borde);
  --md-chrome: var(--cc-azul-suave);
  --md-chrome-active: var(--cc-azul-claro);
  --md-chrome-ink: var(--cc-navy);
  --md-chrome-border: var(--cc-azul-borde);
}

body.exe-export > .exe-content {
  border-radius: var(--md-radius-lg);
  box-shadow: var(--md-shadow);
}
.exe-web-site .exe-content .page-counter {
  position: fixed;
  top: 0;
  left: 50%;
  right: auto;
  width: auto;
  height: 50px;
  display: flex;
  align-items: center;
  background: transparent;
  border: 0;
}
@media (max-width: 600px) {
  .exe-web-site .exe-content .page-counter { display: none; }
}

/* Segunda propuesta: superficies neutras y color reservado a los bordes.
   Se agrega a la base compartida; no sustituye el primer piloto. */
:root {
  --md-neutral: #f5f6f8;
  --md-rule: color-mix(in srgb, var(--md-ink) 12%, transparent);
  --md-shadow: 0 4px 18px -12px color-mix(in srgb, var(--md-ink) 20%, transparent);
}
body.exe-export { background-image: none; }
/* Un panel neutro y entradas individuales, sin convertir todo en tarjetas. */
body.exe-export #siteNav {
  background: var(--md-chrome);
  border: 1px solid var(--md-edge);
  padding-inline: 10px;
  box-shadow: 0 8px 30px -22px color-mix(in srgb, var(--md-ink) 28%, transparent);
}
body.exe-export #siteNav ul {
  margin-inline: 0;
  padding-inline: 0;
}
body.exe-export #siteNav li { margin-block: 5px; }
body.exe-export #siteNav .md-brand,
.exe-content .package-header .md-brand {
  height: auto;
  aspect-ratio: 1365 / 551;
  max-width: 240px;
  overflow: hidden;
  margin: 0 auto .8rem;
  border-bottom: 1px solid var(--md-rule);
  background: var(--md-surface);
  border-radius: 10px 10px 0 0;
}
body.exe-export #siteNav .md-brand img,
.exe-content .package-header .md-brand img {
  display: block;
  /* El original es una tira de logos. Esta ventana muestra solo CITED:
     x=4056, ancho=1365 sobre un original de 5421×551, sin alterar sus píxeles. */
  width: 397.142857%;
  max-width: none;
  height: auto;
  transform: translateX(-74.8201438849%);
  filter: none;
}
.exe-content .package-header .md-brand--mobile { display: none; }
body.exe-export #siteNav ul ul {
  margin-inline-start: 12px;
  padding-inline-start: 8px;
  border-inline-start: 1px solid var(--md-rule);
}
body.exe-export #siteNav a {
  background: var(--md-surface);
  color: var(--md-chrome-ink);
  border: 1px solid var(--md-rule);
  border-inline-start: 3px solid transparent;
  border-radius: 10px;
  box-shadow: inset 0 1px color-mix(in srgb, var(--md-surface) 90%, transparent);
  padding: .75rem .9rem;
  line-height: 1.4;
  max-width: none;
  font-weight: 500;
  font-size: .95rem;
}
body.exe-export #siteNav a.active,
body.exe-export #siteNav a.highlighted-link {
  background: var(--md-surface);
  color: var(--md-chrome-ink);
  border-color: var(--md-edge);
  border-inline-start-color: var(--md-edge-strong);
  box-shadow: 0 3px 10px -7px color-mix(in srgb, var(--md-ink) 28%, transparent);
  font-weight: 600;
}
@supports (backdrop-filter: blur(12px)) {
  body.exe-export #siteNav {
    background: linear-gradient(140deg,
      color-mix(in srgb, var(--md-surface) 82%, transparent),
      color-mix(in srgb, var(--md-neutral) 80%, transparent));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
  body.exe-export #siteNav a {
    background: color-mix(in srgb, var(--md-surface) 68%, transparent);
  }
  body.exe-export #siteNav a.active,
  body.exe-export #siteNav a.highlighted-link { background: var(--md-surface); }
}
.exe-content .package-header,
.exe-content .page-header {
  background: var(--md-surface);
  border-color: var(--md-rule);
  border-inline-start: 3px solid var(--md-edge);
  box-shadow: var(--md-shadow);
}
.exe-content .box-head {
  background: var(--md-surface);
  border-bottom: 1px solid var(--md-rule);
}
body.exe-export .exe-content .box {
  background: var(--md-surface);
  border: 1px solid var(--md-rule);
  border-top: 2px solid var(--md-edge);
}
.exe-content .exe-source-content .accordion .accordion-header {
  background: var(--md-surface);
  border-color: var(--md-edge);
  border-inline-start: 3px solid var(--md-edge-strong);
  box-shadow: var(--md-shadow);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.exe-content .exe-source-content .accordion .accordion-header.active {
  border-color: var(--md-edge);
  border-inline-start-color: var(--md-edge-strong);
}
.exe-content .exe-source-content .accordion .accordion-content { border-color: var(--md-edge); }
.exe-content .exe-source-content .accordion .accordion-header .icon {
  background: var(--md-surface);
  border-color: var(--md-rule);
}
.exe-content .exe-source-content .flashcard-front,
.exe-content .exe-source-content .flashcard-back {
  background: var(--md-surface);
  border-color: var(--md-edge);
}
.exe-content .exe-source-content .rubric-table th {
  background: var(--md-neutral);
  color: var(--md-ink);
}
@media (hover: hover) and (pointer: fine) {
  body.exe-export #siteNav a:hover {
    background: var(--md-surface);
    color: var(--md-chrome-ink);
    border-color: var(--md-edge);
    box-shadow: 0 3px 10px -7px color-mix(in srgb, var(--md-ink) 28%, transparent);
  }
}
@media (max-width: 600px) {
  body.exe-export #siteNav { border-radius: 0 0 16px 16px; }
  body.exe-export #siteNav .md-brand { display: none; }
  .exe-content .package-header .md-brand--mobile { display: block; max-width: 200px; }
}
@media print {
  body.exe-export #siteNav,
  body.exe-export #siteNav a { background: var(--md-surface); backdrop-filter: none; }
}

:root {
  --md-canvas: #f5f6f8;
  --md-wash: #ffffff;
  --md-chrome: #ffffff;
  --md-chrome-active: #ffffff;
  --md-border: var(--cc-azul-borde);
  --md-chrome-border: var(--cc-azul-claro);
  --md-edge: var(--cc-azul-claro);
  --md-edge-strong: var(--cc-azul-medio);
}

/* Modelo C compacto compartido: disposición única y colores de cada etapa. */
:root {






  --md-canvas: var(--mc-canvas);
  --md-wash: var(--mc-soft);
  --md-chrome: var(--mc-soft);
  --md-chrome-active: var(--mc-soft);
  --md-accent: var(--mc-accent);
  --md-accent-hover: var(--mc-accent-deep);
  --md-edge: var(--mc-edge);
  --md-edge-strong: var(--mc-accent);
  --mc-menu: var(--mc-soft);
  --mc-active: var(--mc-edge);
  --mc-hero: var(--mc-soft);
  --mc-heading: var(--mc-soft);
  --mc-entry: var(--mc-surface);
  --md-ink: var(--mc-ink);
  --md-chrome-ink: var(--mc-ink);
}
body.exe-export { background: var(--mc-canvas); }
body.exe-web-site > .exe-content {
  background: var(--mc-canvas);
  border-radius: 0;
  box-shadow: none;
}
body.exe-web-site main.page { background: transparent; }
/* El panel no se desplaza: su lista interior es la única zona con scroll. */
body.exe-web-site #siteNav {
  top: 74px;
  bottom: 18px;
  height: auto;
  max-height: none;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 0;
  background: var(--mc-menu);
  border: 1px solid var(--mc-edge);
  border-radius: 18px;
}
body.exe-web-site.siteNav-off #siteNav { display: none; }
body.exe-web-site #siteNav .md-brand {
  flex: 0 0 auto;
  width: calc(100% - 32px);
  max-width: 240px;
  margin: 14px auto 12px;
  border: 0;
  border-radius: 10px;
  box-shadow: 0 2px 8px color-mix(in srgb, var(--mc-ink) 3.921569%, transparent);
}
body.exe-web-site #siteNav .pr-nav-scroll {
  min-height: 0;
  flex: 1 1 auto;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 6px 10px 18px;
  border-top: 2px solid var(--mc-edge);
  scrollbar-width: thin;
  scrollbar-color: var(--mc-accent) transparent;
  overscroll-behavior: contain;
  scroll-padding-block: 12px;
}
body.exe-export #siteNav .pr-nav-scroll:focus-visible {
  outline: 3px solid var(--mc-accent);
  outline-offset: -4px;
}
body.exe-export #siteNav .pr-nav-scroll > ul { margin: 0; }
body.exe-export #siteNav a {
  background: var(--mc-entry);
  color: var(--mc-ink);
  border-color: var(--mc-rule);
  border-inline-start-color: transparent;
  box-shadow: none;
  font-size: .95rem;
  padding: .8rem .85rem;
}
body.exe-export #siteNav a.active,
body.exe-export #siteNav a.highlighted-link {
  background: var(--mc-active);
  border-color: var(--mc-edge);
  border-inline-start: 4px solid var(--mc-accent);
  color: var(--mc-ink);
  font-weight: 700;
  box-shadow: none;
}
body.exe-export #siteNav a:focus-visible { outline-color: var(--mc-accent); }
body.exe-export .nav-buttons {
  background: var(--mc-soft);
  border: 0;
  border-bottom: 2px solid var(--mc-edge);
  box-shadow: 0 3px 16px color-mix(in srgb, var(--mc-ink) 3.137255%, transparent);
  backdrop-filter: none;
}
.exe-content .package-header {
  background: var(--mc-hero);
  border: 1px solid var(--mc-edge);
  border-inline-start: 4px solid var(--mc-brand);
  padding: 22px 24px;
  backdrop-filter: none;
}
.exe-content .package-title { font-size: clamp(1.15rem, 2vw, 1.5rem); }
.exe-content .package-subtitle { font-size: .9rem; }
.exe-content .page-header {
  background: var(--mc-surface);
  border: 1px solid var(--mc-rule);
  border-inline-start: 4px solid var(--mc-brand);
  padding: 20px 24px;
}
.exe-content .box-head {
  background: var(--mc-heading);
  border-bottom-color: var(--mc-edge);
}
.exe-content .exe-source-content .accordion .accordion-header {
  background: var(--mc-heading);
  border-color: var(--mc-edge);
  border-inline-start: 4px solid var(--mc-brand);
}
.exe-content .exe-source-content .accordion .accordion-header.active {
  background: var(--mc-heading);
  border-color: var(--mc-edge);
  border-inline-start-color: var(--mc-accent);
}
.exe-content .exe-source-content .accordion .accordion-content {
  border-color: var(--mc-edge);
}
.exe-content .exe-source-content .accordion .accordion-header .icon {
  background: var(--mc-surface);
  border-color: var(--mc-edge);
}
.exe-content .exe-source-content .flashcard-front { background: var(--mc-soft); }
.exe-content .exe-source-content .flashcard-back {
  background: linear-gradient(125deg, var(--mc-edge), var(--mc-soft));
}
.exe-content .exe-source-content .flashcard-front h4,
.exe-content .exe-source-content .flashcard-back h4 { color: var(--mc-card-title); }
.exe-content .exe-source-content header :is(h1, h2, h3, p) { color: var(--mc-ink); }
@media (hover: hover) and (pointer: fine) {
  body.exe-export #siteNav a:hover { background: var(--mc-soft); border-color: var(--mc-edge); }
  body.exe-export #siteNav a.active:hover { background: var(--mc-active); }
  .exe-content .exe-source-content .accordion .accordion-header:hover {
    transform: none;
    border-color: var(--mc-accent);
  }
}
@media (max-width: 600px) {
  body.exe-web-site #siteNav {
    position: relative;
    top: auto;
    bottom: auto;
    float: none;
    width: 100%;
    height: min(62vh, 540px);
    border-radius: 0 0 18px 18px;
  }
  body.exe-web-site #siteNav .md-brand { display: block; max-width: 170px; margin-block: 10px; }
  body.exe-web-site #siteNav .pr-nav-scroll { padding-bottom: 12px; }
  .exe-content .package-header .md-brand--mobile { max-width: 170px; }
  body.exe-web-site:not(.siteNav-off) .package-header .md-brand--mobile { display: none; }
  body.exe-web-site main.page { margin-left: 0; padding-inline: 14px; }
  body.exe-web-site #siteFooter { padding-inline: 14px; }
  .exe-content .package-header, .exe-content .page-header { padding: 18px; }
}
@media print {
  body.exe-web-site #siteNav { display: none; }
  .exe-content .package-header, .exe-content .box-head,
  .exe-content .exe-source-content .accordion .accordion-header { background: white; }
}

/* Cuaderno contemporáneo: superficies claras, pestañas y líneas. */
:root { --mc-menu: var(--mc-canvas); --mc-active: var(--mc-soft); --mc-hero: var(--mc-canvas); --mc-heading: var(--mc-soft); --md-radius: 10px; --md-shadow: none; }
body.exe-web-site #siteNav { border-radius: 10px; backdrop-filter: none; box-shadow: none; }
body.exe-export #siteNav a { border-radius: 0 9px 9px 0; border-width: 0 0 1px 3px; background: transparent; }
body.exe-export #siteNav a.active { border-inline-start-width: 6px; border-radius: 0 9px 9px 0; }
.exe-content .package-header {
  background: repeating-linear-gradient(0deg, transparent 0 27px, color-mix(in srgb, var(--mc-rule) 30.196078%, transparent) 27px 28px), var(--mc-canvas);
  border: 1px solid var(--mc-rule);
  border-top: 5px solid var(--mc-brand);
  border-radius: 10px;
}
.exe-content .page-header { border: 0; border-radius: 0; background: transparent; border-bottom: 3px solid var(--mc-edge); padding-inline: 4px; }
body.exe-export .exe-content .box { box-shadow: none; border-top: 1px solid var(--mc-rule); }
.exe-content .box-head { border-inline-start: 5px solid var(--mc-brand); }
.exe-content .exe-source-content .accordion .accordion-header { box-shadow: none; border-radius: 9px; }
.exe-content .exe-source-content .accordion .accordion-header.active { border-radius: 9px 9px 0 0; }

/* Cabecera institucional compacta y fija en todas las páginas. */
:root {
  --pr-brand-height: 110px;
  --pr-brand-width: 850px;
  --pr-brand-padding: 10px;
}
/* Evita que el antiguo fragmento aparezca durante la carga. */
body.exe-export #siteNav .md-brand,
body.exe-export .package-header .md-brand { display: none; }
.pr-institutional-banner {
  position: fixed;
  inset: 0 0 auto;
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--pr-brand-padding) 16px;
  border-bottom: 2px solid var(--mc-brand);
  background: color-mix(in srgb, var(--mc-canvas) 86%, transparent);
  box-shadow: 0 3px 12px color-mix(in srgb, var(--mc-ink) 3.137255%, transparent);
}
.pr-institutional-banner img {
  display: block;
  width: 100%;
  max-width: var(--pr-brand-width);
  height: auto;
  aspect-ratio: 5421 / 551;
  object-fit: contain;
  background: transparent;
  filter: none;
}
@supports (backdrop-filter: blur(12px)) {
  .pr-institutional-banner {
    background: color-mix(in srgb, var(--mc-canvas) 76%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
}
html.pr-has-banner { scroll-padding-top: calc(var(--pr-brand-height) + 64px); }
body.exe-web-site.pr-has-banner { padding-top: calc(var(--pr-brand-height) + 50px); }
body.exe-export.pr-has-banner:not(.exe-web-site) { padding-top: var(--pr-brand-height); }
body.exe-web-site.pr-has-banner .nav-buttons,
body.exe-web-site.pr-has-banner .steamath-brand,
body.exe-web-site.pr-has-banner :is(#siteNavToggler, #searchBarTogger, #darkModeToggler),
body.exe-web-site.pr-has-banner .exe-content .page-counter { top: var(--pr-brand-height); }
body.exe-web-site.pr-has-banner #siteNav {
  top: calc(var(--pr-brand-height) + 74px);
}
body.exe-web-site #siteNav .pr-nav-scroll { border-top: 0; padding-top: 10px; }
/* El foco de acceso al contenido queda visible encima de las dos franjas. */
body.exe-export.pr-has-banner #skipNav:focus { z-index: 140; }
@media (max-width: 600px) {
  .pr-institutional-banner { padding-inline: 10px; }
  body.exe-web-site.pr-has-banner #siteNav { top: auto; }
}
@media print {
  .pr-institutional-banner {
    position: static;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
  }
  html.pr-has-banner body.exe-export.pr-has-banner { padding-top: 0; }
}

:root {
  --mc-brand: #4CB5C5;
  --mc-edge: #95D2DC;
  --mc-soft: #DEEFF2;
  --mc-canvas: #F0F8FA;
  --mc-accent: #017B89;
  --mc-accent-deep: #055C67;
  --mc-ink: #024047;
  --mc-card-title: #055C67;
  --mc-rule: #BBDDE3;
  --mc-surface: #ffffff;
}