/* ==========================================================================
   EXCELSIOR 2026 · Fase 2 · Capa visual institucional AEU
   Propósito: modernizar cabecera, navegación, contenido y pie sin sustituir
   los estilos históricos necesarios para las páginas ASP.NET Web Forms.
   Referencias: identidad oficial AEU y patrones visuales PIEM/ACLU.
   Paleta institucional: amarillo #FFBC00, gris #53565A, rojo #A23223.
   ========================================================================== */

/* 1. Variables y tipografía. Todas las reglas quedan aisladas al sitio. */
body.site-excelsior {
    --excelsior-yellow: #ffbc00;
    --excelsior-red: #a23223;
    --excelsior-gray: #53565a;
    --excelsior-ink: #30363e;
    --excelsior-muted: #6b737b;
    --excelsior-line: #e3e5e8;
    --excelsior-paper: #fff;
    --excelsior-canvas: #f6f7f8;
    background: var(--excelsior-canvas);
    color: var(--excelsior-ink);
    font-family: "Montserrat", "Segoe UI", Arial, sans-serif;
    font-size: 0.94rem;
    line-height: 1.65;
}

.site-excelsior .excelsior-shell {
    width: 100%;
    min-width: 0;
}

.site-excelsior .excelsior-container {
    width: calc(100% - 40px);
    max-width: 1280px;
    margin-right: auto;
    margin-left: auto;
}

.site-excelsior .excelsior-skip-link {
    position: absolute;
    top: 8px;
    left: 12px;
    z-index: 1100;
    transform: translateY(-180%);
    padding: 10px 16px;
    border: 2px solid var(--excelsior-yellow);
    border-radius: 6px;
    background: #fff;
    color: #222;
    font-weight: 700;
}

.site-excelsior .excelsior-skip-link:focus {
    transform: translateY(0);
}

/* 2. Identidad institucional: la fotografía original contiene la tríada. */
.site-excelsior .excelsior-header {
    position: relative;
    z-index: 10;
    background: var(--excelsior-paper);
    border-top: 5px solid var(--excelsior-yellow);
}

.site-excelsior .excelsior-header-main {
    background: var(--excelsior-paper);
}

.site-excelsior .excelsior-header-inner {
    min-height: 154px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 520px);
    align-items: center;
    gap: 30px;
    padding-top: 25px;
    padding-bottom: 25px;
}

.site-excelsior .excelsior-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    min-width: 0;
    color: var(--excelsior-ink);
    text-decoration: none;
}

.site-excelsior .excelsior-brand:hover,
.site-excelsior .excelsior-brand:focus-visible {
    color: var(--excelsior-ink);
    text-decoration: none;
}

.site-excelsior .excelsior-brand-eyebrow {
    margin-bottom: 7px;
    color: var(--excelsior-red);
    font-size: 0.69rem;
    font-weight: 800;
    letter-spacing: 0.11em;
    line-height: 1.4;
    text-transform: uppercase;
}

.site-excelsior .excelsior-brand-title {
    max-width: 640px;
    font-size: clamp(1.45rem, 2.55vw, 2.35rem);
    font-weight: 800;
    letter-spacing: -0.032em;
    line-height: 1.18;
}

.site-excelsior .excelsior-brand-meta {
    margin-top: 10px;
    color: var(--excelsior-muted);
    font-size: 0.78rem;
    font-weight: 500;
}

.site-excelsior .excelsior-institutional {
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.site-excelsior .excelsior-institutional img {
    display: block;
    max-width: 100%;
    max-height: 108px;
    width: auto;
    height: auto;
    object-fit: contain;
    object-position: right center;
}

/* 3. Barra de navegación acorde al portal institucional AEU. */
.site-excelsior .excelsior-nav {
    position: relative;
    z-index: 20;
    padding: 0;
    border-top: 1px solid rgba(83, 86, 90, 0.10);
    border-bottom: 1px solid rgba(83, 86, 90, 0.17);
    background: var(--excelsior-paper);
    box-shadow: 0 8px 20px rgba(27, 35, 46, 0.065);
}

.site-excelsior .excelsior-nav-inner {
    min-height: 64px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.site-excelsior .excelsior-nav .navbar-collapse {
    min-width: 0;
}

.site-excelsior .excelsior-nav-list {
    align-items: center;
    gap: 2px;
}

.site-excelsior .excelsior-nav .nav-link {
    position: relative;
    display: block;
    padding: 19px 11px;
    color: var(--excelsior-gray);
    font-size: 0.74rem;
    font-weight: 700;
    line-height: 1.55;
    text-decoration: none;
    transition: color 150ms ease, background-color 150ms ease;
}

.site-excelsior .excelsior-nav .nav-link::after {
    content: "";
    position: absolute;
    right: 11px;
    bottom: 12px;
    left: 11px;
    height: 3px;
    border-radius: 3px;
    background: transparent;
    transition: background-color 150ms ease;
}

.site-excelsior .excelsior-nav .nav-link:hover,
.site-excelsior .excelsior-nav .nav-link:focus-visible {
    color: var(--excelsior-ink);
    background: #fcfcfd;
}

.site-excelsior .excelsior-nav .nav-link:hover::after,
.site-excelsior .excelsior-nav .nav-link:focus-visible::after,
.site-excelsior .excelsior-nav .nav-link[aria-current="page"]::after {
    background: var(--excelsior-yellow);
}

.site-excelsior .excelsior-nav-mobile-title {
    display: none;
    color: var(--excelsior-gray);
    font-weight: 700;
}

.site-excelsior .excelsior-nav-toggle {
    margin-left: auto;
    border: 1px solid var(--excelsior-line);
    border-radius: 8px;
    background: #fff;
    color: var(--excelsior-gray);
}

.site-excelsior .excelsior-nav-tools {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
    padding: 6px 0;
}

.site-excelsior .excelsior-search {
    display: flex;
    align-items: center;
    gap: 7px;
}

.site-excelsior .excelsior-search-input {
    width: 178px;
    min-height: 38px;
    border: 1px solid var(--excelsior-line);
    border-radius: 20px;
    background: #f7f8fa;
    font-size: 0.77rem;
}

.site-excelsior .excelsior-search-input:focus {
    background: #fff;
    border-color: #be8900;
    box-shadow: 0 0 0 3px rgba(255, 188, 0, 0.18);
}

.site-excelsior .excelsior-search-submit {
    min-height: 38px;
    padding: 7px 14px;
    border: 1px solid var(--excelsior-yellow);
    border-radius: 22px;
    background: var(--excelsior-yellow);
    color: #272727;
    font-size: 0.75rem;
    font-weight: 700;
}

.site-excelsior .excelsior-search-submit:hover,
.site-excelsior .excelsior-search-submit:focus-visible {
    border-color: #dfa500;
    background: #e6ae00;
    color: #171717;
}

.site-excelsior .excelsior-account {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 10px;
    padding-left: 12px;
    border-left: 1px solid var(--excelsior-line);
}

.site-excelsior .excelsior-session-label {
    max-width: 210px;
    overflow: hidden;
    color: var(--excelsior-gray);
    font-size: 0.73rem;
    font-weight: 600;
    line-height: 1.3;
    text-overflow: ellipsis;
}

.site-excelsior .excelsior-account .btn {
    flex: 0 0 auto;
    min-height: 38px;
    padding: 7px 15px;
    border-radius: 22px;
    font-size: 0.75rem;
    font-weight: 700;
}

.site-excelsior .excelsior-account .btn-outline-secondary {
    border-color: var(--excelsior-gray);
    color: var(--excelsior-gray);
}

.site-excelsior .excelsior-account .btn-outline-secondary:hover,
.site-excelsior .excelsior-account .btn-outline-secondary:focus-visible {
    background: var(--excelsior-gray);
    color: #fff;
}

/* Uhura: selector de idioma accesible sin alterar la distribución de navegación. */
.site-excelsior .excelsior-language-switch {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    gap: 2px;
    padding: 3px;
    background: #f3f5f6;
    border: 1px solid #d9e1e5;
    border-radius: 22px;
}
.site-excelsior .excelsior-language-choice {
    display: inline-block;
    min-width: 32px;
    padding: 5px 7px;
    border-radius: 16px;
    font-size: .74rem;
    line-height: 1.3;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    color: #38505b;
}
.site-excelsior .excelsior-language-choice:hover,
.site-excelsior .excelsior-language-choice:focus-visible {
    background: #e1e8eb;
    outline-offset: 2px;
}
.site-excelsior .excelsior-language-choice.is-current {
    color: #17252d;
    background: #ffbc00;
}
@media (max-width: 480px) {
    .site-excelsior .excelsior-language-switch { align-self: flex-start; }
}

/* 4. Zona de lectura. El contenido heredado sigue funcionando sin cambios. */
.site-excelsior .excelsior-main {
    min-width: 0;
}

.site-excelsior .excelsior-content {
    padding-top: 34px;
    padding-bottom: 56px;
}

.site-excelsior .conteniente {
    padding: clamp(16px, 3vw, 34px);
    border: 1px solid var(--excelsior-line);
    border-radius: 18px;
    background: var(--excelsior-paper);
    box-shadow: 0 12px 30px rgba(25, 38, 54, 0.065);
    color: var(--excelsior-ink);
}

.site-excelsior h1,
.site-excelsior h2,
.site-excelsior h3,
.site-excelsior h4 {
    color: var(--excelsior-ink);
}

.site-excelsior a:focus-visible,
.site-excelsior button:focus-visible,
.site-excelsior input:focus-visible {
    outline-offset: 3px;
}

/* 5. Pie corporativo. Forma parte del flujo, no tapa resúmenes ni botones. */
.site-excelsior .excelsior-footer {
    margin-top: auto;
    background: #2d333a;
    color: #d5d9dd;
}

.site-excelsior .excelsior-footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
    padding-top: 25px;
    padding-bottom: 26px;
}

.site-excelsior .excelsior-footer-copy {
    display: flex;
    flex-direction: column;
    gap: 4px;
    color: #d1d5da;
    font-size: 0.73rem;
    line-height: 1.5;
}

.site-excelsior .excelsior-footer-kicker {
    color: var(--excelsior-yellow);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.045em;
}

.site-excelsior .excelsior-footer-links {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 10px 22px;
}

.site-excelsior .excelsior-footer-links a {
    color: #f0f2f3;
    font-size: 0.74rem;
    font-weight: 600;
    text-decoration: none;
}

.site-excelsior .excelsior-footer-links a:hover,
.site-excelsior .excelsior-footer-links a:focus-visible {
    color: var(--excelsior-yellow);
    text-decoration: underline;
}

/* 6. Adaptación a tabletas y móviles. */
@media (max-width: 1199.98px) {
    .site-excelsior .excelsior-nav-inner {
        min-height: 62px;
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .site-excelsior .excelsior-nav-mobile-title {
        display: inline-block;
        padding: 13px 0;
    }

    .site-excelsior .excelsior-nav .navbar-collapse {
        flex-basis: 100%;
        padding-bottom: 16px;
    }

    .site-excelsior .excelsior-nav-list {
        align-items: stretch;
        margin-bottom: 12px;
    }

    .site-excelsior .excelsior-nav .nav-link {
        padding: 10px 12px;
        border-radius: 6px;
    }

    .site-excelsior .excelsior-nav .nav-link::after {
        right: auto;
        bottom: 5px;
        left: 12px;
        width: 36px;
    }

    .site-excelsior .excelsior-nav-tools {
        align-items: stretch;
        flex-wrap: wrap;
        gap: 14px;
        margin-left: 0;
        padding-top: 12px;
        border-top: 1px solid var(--excelsior-line);
    }

    .site-excelsior .excelsior-search {
        flex: 1 1 290px;
    }

    .site-excelsior .excelsior-search-input {
        flex: 1 1 auto;
        min-width: 0;
        width: auto;
    }

    .site-excelsior .excelsior-account {
        flex: 0 1 auto;
    }
}

@media (max-width: 760px) {
    .site-excelsior .excelsior-container {
        width: calc(100% - 28px);
    }

    .site-excelsior .excelsior-header-inner {
        min-height: 0;
        grid-template-columns: minmax(0, 1fr);
        gap: 20px;
        padding-top: 22px;
        padding-bottom: 20px;
    }

    .site-excelsior .excelsior-brand-title {
        font-size: clamp(1.5rem, 5vw, 2.05rem);
    }

    .site-excelsior .excelsior-institutional {
        justify-content: flex-start;
    }

    .site-excelsior .excelsior-institutional img {
        max-height: 86px;
        object-position: left center;
    }

    .site-excelsior .excelsior-content {
        padding-top: 20px;
        padding-bottom: 32px;
    }

    .site-excelsior .excelsior-footer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 18px;
        padding-top: 22px;
        padding-bottom: 24px;
    }

    .site-excelsior .excelsior-footer-links {
        justify-content: flex-start;
    }
}

@media (max-width: 480px) {
    .site-excelsior .excelsior-nav-tools {
        flex-direction: column;
    }

    .site-excelsior .excelsior-search {
        width: 100%;
    }

    .site-excelsior .excelsior-account {
        justify-content: space-between;
        border-left: 0;
        padding-left: 0;
    }

    .site-excelsior .excelsior-session-label {
        max-width: min(60%, 220px);
    }

    .site-excelsior .conteniente {
        border-radius: 12px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .site-excelsior .excelsior-nav .nav-link,
    .site-excelsior .excelsior-nav .nav-link::after {
        transition: none;
    }
}