/**
 * EduIA login — capas (atrás → adelante):
 *   z-index 0  · .eduia-login-bg-art, .eduia-neural-atmosphere (login)
 *   z-index 2  · body.eduia-login-body::after (viñeta)
 *   z-index 4  · .eduia-login-video-layer (vídeo full-bleed, pointer-events: none)
 *   z-index 5  · .eduia-login-overlay (legibilidad sobre el vídeo)
 *   z-index 6  · .eduia-login-particles
 *   z-index 10 · .eduia-login-shell (tarjeta + formulario)
 *   z-index 30 · .eduia-login-video-sound
 *   z-index 9999 · preloader (login.php)
 *
 * Modo minimal: cristal con contraste WCAG-friendly — panel marca oscuro /
 * formulario casi opaco; inputs con relieve (no “flat”).
 */

:root {
    --eduia-login-bg: #030712;
    --eduia-login-blue: #1877f2;
    --eduia-login-cyan: #4fd1ff;
    --eduia-login-gold: #fbbf24;
    --eduia-login-text: #f8fafc;
    --eduia-login-muted: #94a3b8;
    --eduia-login-input-bg: #ffffff;
    --eduia-login-card-bg: rgba(255, 255, 255, 0.88);
    --eduia-login-radius: 26px;
    --eduia-login-maxw: min(1040px, 96vw);
    --eduia-login-fs-bump: 2px;
    --eduia-login-fs-body: calc(1.0625rem + var(--eduia-login-fs-bump));
    --eduia-login-fs-small: calc(0.9375rem + var(--eduia-login-fs-bump));
    /* Inputs: tipografía claramente legible sin “caja vacía” */
    --eduia-login-fs-input: calc(1.125rem + var(--eduia-login-fs-bump));
    --eduia-login-control-h: 50px;
    --eduia-login-addon-w: 52px;
}

.eduia-login-body {
    font-family: "Inter", system-ui, sans-serif;
    font-size: var(--eduia-login-fs-body);
    background: var(--eduia-login-bg);
    color: var(--eduia-login-text);
    min-height: 100vh;
    min-height: 100svh;
    overflow-x: hidden;
}

/**
 * Fondo de escena: malla lumínica + “red neuronal” abstracta + marca de agua.
 * Se ve clara sin vídeo; con vídeo queda como base bajo el vídeo.
 */
.eduia-login-bg-art {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
    background:
        radial-gradient(ellipse 100% 65% at 50% 18%, rgba(24, 119, 242, 0.42) 0%, transparent 58%),
        radial-gradient(ellipse 55% 40% at 88% 52%, rgba(79, 209, 255, 0.28) 0%, transparent 55%),
        radial-gradient(ellipse 50% 38% at 12% 58%, rgba(129, 140, 248, 0.18) 0%, transparent 50%),
        radial-gradient(ellipse 70% 50% at 50% 100%, rgba(251, 191, 36, 0.12) 0%, transparent 55%),
        linear-gradient(168deg, #020617 0%, #0f172a 38%, #111827 65%, #030712 100%);
}

/* Nodos / conexiones sutiles (sin asset externo) */
.eduia-login-bg-art::before {
    content: "";
    position: absolute;
    inset: -20%;
    opacity: 0.55;
    background-image:
        radial-gradient(circle at 18% 28%, rgba(79, 209, 255, 0.35) 0, transparent 2px),
        radial-gradient(circle at 42% 22%, rgba(24, 119, 242, 0.45) 0, transparent 2.5px),
        radial-gradient(circle at 62% 35%, rgba(251, 191, 36, 0.28) 0, transparent 2px),
        radial-gradient(circle at 78% 48%, rgba(79, 209, 255, 0.3) 0, transparent 2px),
        radial-gradient(circle at 35% 62%, rgba(24, 119, 242, 0.25) 0, transparent 2px),
        radial-gradient(circle at 55% 72%, rgba(129, 140, 248, 0.22) 0, transparent 2px),
        radial-gradient(circle at 82% 78%, rgba(79, 209, 255, 0.28) 0, transparent 2px),
        linear-gradient(105deg, transparent 48%, rgba(79, 209, 255, 0.06) 49%, rgba(79, 209, 255, 0.06) 51%, transparent 52%),
        linear-gradient(18deg, transparent 46%, rgba(24, 119, 242, 0.05) 50%, transparent 54%);
    background-size:
        100% 100%,
        100% 100%,
        100% 100%,
        100% 100%,
        100% 100%,
        100% 100%,
        100% 100%,
        220px 180px,
        280px 240px;
    background-position: center center;
    animation: eduia-login-bg-pulse 28s ease-in-out infinite alternate;
}

.eduia-login-bg-art::after {
    content: "EduIA";
    position: absolute;
    left: 50%;
    top: 46%;
    transform: translate(-50%, -50%);
    font-weight: 800;
    letter-spacing: -0.06em;
    font-size: clamp(9rem, 28vw, 22rem);
    line-height: 1;
    color: rgba(248, 250, 252, 0.07);
    text-shadow: 0 0 80px rgba(79, 209, 255, 0.15);
    white-space: nowrap;
    user-select: none;
}

@keyframes eduia-login-bg-pulse {
    0% {
        opacity: 0.45;
        transform: scale(1) translateY(0);
    }
    100% {
        opacity: 0.62;
        transform: scale(1.02) translateY(-4px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .eduia-login-bg-art::before {
        animation: none;
        opacity: 0.4;
    }
}

/* ---------- Video cinematográfico ---------- */
.eduia-login-video-layer {
    position: fixed;
    inset: 0;
    /* Por encima de neural-atmosphere + partículas (antes z-index:0 quedaba TAPADO) */
    z-index: 4;
    overflow: hidden;
    pointer-events: none;
    background: transparent;
    isolation: isolate;
}

.eduia-login-video-layer video.eduia-login-video {
    position: absolute;
    left: 50%;
    top: 50%;
    min-width: 100%;
    min-height: 100%;
    width: 100%;
    height: 100%;
    transform: translate(-50%, -50%);
    object-fit: cover;
    object-position: center center;
    filter: saturate(1.16) contrast(1.06) brightness(1.14);
}

.eduia-login-video-overlay {
    position: absolute;
    inset: 0;
    /* Vídeo protagonista: velo mínimo, sin blur que mate el MP4 */
    background: rgba(2, 6, 23, 0.1);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    pointer-events: none;
}

.eduia-login-video-scrim {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 85% 65% at 50% 42%, transparent 0%, rgba(7, 17, 31, 0.04) 100%),
        radial-gradient(ellipse 75% 48% at 50% 48%, rgba(24, 119, 242, 0.04) 0%, transparent 58%);
}

.eduia-login-video-layer.eduia-login-video--ended .eduia-login-video-scrim {
    opacity: 1;
}

.eduia-login-video-layer.eduia-login-video--ended video.eduia-login-video {
    filter: saturate(1.1) contrast(1.07) brightness(1.18);
}

/* Velo global legibilidad (encima del vídeo, bajo partículas y tarjeta) */
.eduia-login-overlay {
    position: fixed;
    inset: 0;
    z-index: 5;
    pointer-events: none;
    /* Más translúcido: el vídeo / estrellas respiran detrás de la tarjeta */
    background:
        radial-gradient(ellipse 95% 70% at 50% 22%, rgba(2, 6, 23, 0.1) 0%, transparent 54%),
        linear-gradient(168deg, rgba(2, 6, 23, 0.22) 0%, rgba(15, 23, 42, 0.12) 42%, rgba(2, 6, 23, 0.4) 100%);
}

/* Partículas sutiles */
.eduia-login-particles {
    position: fixed;
    inset: 0;
    z-index: 6;
    pointer-events: none;
    opacity: 0.22;
    background-image:
        radial-gradient(1px 1px at 10% 20%, rgba(79, 209, 255, 0.5), transparent),
        radial-gradient(1px 1px at 70% 60%, rgba(251, 191, 36, 0.35), transparent),
        radial-gradient(1px 1px at 40% 80%, rgba(255, 255, 255, 0.25), transparent);
    background-size: 100% 100%;
    animation: eduia-login-dust 22s ease-in-out infinite alternate;
}

@keyframes eduia-login-dust {
    0% {
        opacity: 0.22;
        transform: translateY(0);
    }
    100% {
        opacity: 0.38;
        transform: translateY(-6px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .eduia-login-particles {
        animation: none;
        opacity: 0.2;
    }
}

/* -------------------------------------------------------------------------- */
/* OPTIMIZACIÓN LOGIN UI – ESTILO SAAS COMPACTO                              */
/* Vignette global: más contraste detrás de la tarjeta, sin tocar PHP.      */
/* -------------------------------------------------------------------------- */
body.eduia-login-body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    /* Viñeta suave: no oscurecer tanto el vídeo detrás del modal */
    background: radial-gradient(ellipse 92% 82% at 50% 48%, transparent 35%, rgba(2, 6, 23, 0.035) 100%);
}

/* Layout principal */
.eduia-login-shell {
    position: relative;
    z-index: 10;
    isolation: isolate;
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(14px, 3.2vw, 36px) clamp(12px, 3vw, 24px);
}

.eduia-login-shell__inner {
    width: 100%;
    animation: eduia-login-fade 0.65s ease-out both;
}

.eduia-login-shell__inner--max {
    max-width: var(--eduia-login-maxw);
    margin-left: auto;
    margin-right: auto;
}

@keyframes eduia-login-fade {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .eduia-login-shell__inner {
        animation: none;
    }
}

.eduia-login-card {
    width: 100%;
    max-width: var(--eduia-login-maxw);
    border-radius: var(--eduia-login-radius);
    overflow: hidden;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(272px, 400px);
    align-items: stretch;
    background: var(--eduia-login-card-bg);
    border: 1px solid rgba(255, 255, 255, 0.55);
    box-shadow:
        0 2px 8px rgba(2, 6, 23, 0.08),
        0 28px 72px rgba(2, 6, 23, 0.28),
        0 0 0 1px rgba(255, 255, 255, 0.65) inset;
    backdrop-filter: blur(22px) saturate(1.12);
    -webkit-backdrop-filter: blur(22px) saturate(1.12);
}

.eduia-login-brand-panel {
    padding: clamp(14px, 2.2vw, 24px) clamp(14px, 2vw, 22px);
    /* Panel legible: fondo casi sólido + acento suave */
    background:
        linear-gradient(
            155deg,
            rgba(248, 250, 252, 0.98) 0%,
            rgba(241, 245, 249, 0.97) 48%,
            rgba(238, 242, 255, 0.96) 100%
        );
    border-right: 1px solid rgba(15, 23, 42, 0.08);
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: min(400px, 68vh);
}

.eduia-login-form-panel {
    padding: clamp(14px, 2.2vw, 22px) clamp(14px, 2vw, 22px);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: min(400px, 68vh);
    background: rgba(255, 255, 255, 0.78);
}

.eduia-login-brand-logo-wrap {
    margin-bottom: 10px;
    min-height: 44px;
    display: flex;
    align-items: center;
}

.eduia-login-brand-logo-wrap--center {
    justify-content: center;
}

.eduia-login-brand-logo {
    max-height: 44px;
    width: auto;
    max-width: 200px;
    height: auto;
    object-fit: contain;
    display: block;
}

.eduia-login-brand-text {
    font-size: clamp(2rem, 4.2vw, 2.65rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(120deg, var(--eduia-login-blue) 0%, var(--eduia-login-cyan) 50%, var(--eduia-login-gold) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1.15;
}

.eduia-login-brand-logo-wrap--float {
    animation: eduia-login-logo-float 7s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
    .eduia-login-brand-logo-wrap--float {
        animation: none;
    }
}

@keyframes eduia-login-logo-float {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-4px);
    }
}

.eduia-login-kicker {
    margin: 0 0 8px;
    font-size: clamp(0.65rem, 1.2vw, 0.72rem);
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #64748b;
}

.eduia-login-hero-title {
    font-size: clamp(1.38rem, 2.5vw, 1.95rem);
    font-weight: 800;
    letter-spacing: -0.035em;
    line-height: 1.15;
    color: #0f172a;
    margin: 0 0 8px;
    max-width: 22ch;
}

.eduia-login-hero-sub {
    font-size: clamp(0.92rem, 1.75vw, 1.05rem);
    font-weight: 500;
    color: #64748b;
    margin: 0 0 12px;
    line-height: 1.45;
    max-width: min(42ch, 100%);
}

.eduia-login-brand-evolution {
    margin: 0 0 10px !important;
    color: #64748b !important;
    max-width: min(44ch, 100%);
}

.eduia-login-benefits {
    list-style: none;
    padding: 0;
    margin: 0;
}

.eduia-login-benefits .eduia-login-benefit {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 8px;
    padding: 8px 10px;
    border-radius: 12px;
    font-size: clamp(0.86rem, 1.45vw, 0.98rem);
    font-weight: 500;
    color: #475569;
    line-height: 1.4;
    background: rgba(255, 255, 255, 0.45);
    border: 1px solid rgba(15, 23, 42, 0.06);
    transition:
        background 0.22s ease,
        border-color 0.22s ease,
        transform 0.22s ease;
}

.eduia-login-benefits .eduia-login-benefit:hover {
    background: rgba(255, 255, 255, 0.72);
    border-color: rgba(24, 119, 242, 0.18);
    transform: translateY(-1px);
}

@media (prefers-reduced-motion: reduce) {
    .eduia-login-benefits .eduia-login-benefit:hover {
        transform: none;
    }
}

.eduia-login-benefits .eduia-login-benefit:last-child {
    margin-bottom: 0;
}

.eduia-login-benefit-ico {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    margin-top: 1px;
    border-radius: 9px;
    background: rgba(24, 119, 242, 0.1);
    color: var(--eduia-login-blue);
    font-size: calc(16px + var(--eduia-login-fs-bump));
}

.eduia-login-benefit-txt {
    flex: 1;
    min-width: 0;
}

.eduia-login-benefits .eduia-login-benefit i {
    margin: 0;
    line-height: 1;
}

.eduia-login-institute-note {
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid rgba(15, 23, 42, 0.08);
    font-size: clamp(0.8125rem, 1.65vw, 0.9375rem);
    color: #64748b;
    line-height: 1.45;
}

.eduia-login-institute-note strong {
    color: #334155;
}

/* Formulario */
.eduia-login-form-card {
    width: 100%;
    max-width: min(348px, 100%);
}

.eduia-login-form-title {
    font-size: clamp(1.32rem, 2.75vw, 1.72rem);
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 4px;
    letter-spacing: -0.03em;
}

.eduia-login-form-sub {
    font-size: clamp(0.88rem, 1.85vw, 1.02rem);
    font-weight: 500;
    color: #475569;
    margin: 0 0 14px;
}

.eduia-login-form .form-group {
    margin-bottom: 10px;
}

/* Input-group: flex (evita celdas “altas” con texto pequeño centrado mal) */
.eduia-login-form .input-group {
    display: flex;
    flex-wrap: nowrap;
    align-items: stretch;
    width: 100%;
}

.eduia-login-form .form-control {
    height: var(--eduia-login-control-h);
    border-radius: 12px;
    border: 1.5px solid rgba(15, 23, 42, 0.12);
    background: var(--eduia-login-input-bg);
    padding: 0 14px;
    font-size: var(--eduia-login-fs-input);
    font-weight: 500;
    line-height: calc(var(--eduia-login-control-h) - 3px);
    box-shadow:
        0 1px 2px rgba(15, 23, 42, 0.04) inset,
        0 1px 3px rgba(2, 6, 23, 0.06);
    transition:
        border-color 0.18s ease,
        box-shadow 0.18s ease;
}

.eduia-login-form .form-control:hover {
    border-color: rgba(24, 119, 242, 0.35);
}

.eduia-login-form .form-control:focus {
    border-color: var(--eduia-login-blue);
    box-shadow:
        0 1px 2px rgba(15, 23, 42, 0.04) inset,
        0 0 0 4px rgba(24, 119, 242, 0.14);
    outline: none;
}

.eduia-login-form .form-control:focus-visible {
    outline: 2px solid rgba(79, 209, 255, 0.95);
    outline-offset: 2px;
}

.eduia-login-form .form-control::placeholder {
    font-size: var(--eduia-login-fs-input);
    color: #64748b;
    opacity: 1;
}

.eduia-login-form .input-group-addon {
    float: none !important;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 var(--eduia-login-addon-w);
    width: var(--eduia-login-addon-w);
    min-width: var(--eduia-login-addon-w);
    background: linear-gradient(180deg, #fafbfc 0%, #f1f5f9 100%);
    border: 1.5px solid rgba(15, 23, 42, 0.12);
    border-right: 0;
    border-radius: 12px 0 0 12px;
    color: #475569;
    padding: 0;
    font-size: calc(1.125rem + var(--eduia-login-fs-bump));
    line-height: 1;
    text-align: center;
    transition: border-color 0.18s ease;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04) inset;
}

.eduia-login-form .input-group:focus-within .input-group-addon {
    border-color: var(--eduia-login-blue);
    color: var(--eduia-login-blue);
}

.eduia-login-form .input-group .form-control {
    flex: 1 1 auto;
    min-width: 0;
    width: auto !important;
    border-radius: 0 12px 12px 0;
}

.eduia-login-form .form-group.has-error .form-control {
    border-color: #dc2626;
}

.eduia-login-form .form-group .error {
    display: block;
    margin-top: 6px;
    font-size: var(--eduia-login-fs-small);
    color: #dc2626;
}

.eduia-login-forgot-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin: 10px 0 4px;
    font-size: clamp(0.8125rem, 1.65vw, 0.9375rem);
}

.eduia-login-forgot-row a {
    color: var(--eduia-login-blue);
    font-weight: 500;
}

.eduia-login-forgot-row a:focus-visible {
    outline: 2px solid rgba(79, 209, 255, 0.95);
    outline-offset: 3px;
    border-radius: 6px;
}

.eduia-login-forgot-row .eduia-login-remember {
    margin: 0;
    font-weight: 400;
    color: #64748b;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.eduia-login-forgot-row .eduia-login-remember input {
    width: 20px;
    height: 20px;
    accent-color: var(--eduia-login-blue);
}

.eduia-login-btn-primary {
    width: 100%;
    height: var(--eduia-login-control-h);
    border-radius: 10px;
    border: none;
    font-weight: 600;
    font-size: clamp(1rem, 1.75vw, 1.125rem);
    letter-spacing: 0.01em;
    color: #fff;
    margin-top: 10px;
    background: linear-gradient(135deg, var(--eduia-login-cyan) 0%, var(--eduia-login-blue) 48%, #0d5fd4 100%);
    box-shadow:
        0 1px 2px rgba(255, 255, 255, 0.25) inset,
        0 4px 18px rgba(24, 119, 242, 0.35),
        0 0 28px rgba(79, 209, 255, 0.22);
    transition:
        transform 0.18s ease,
        box-shadow 0.18s ease,
        filter 0.18s ease;
}

.eduia-login-btn-primary:hover,
.eduia-login-btn-primary:focus {
    color: #fff;
    transform: translateY(-1px);
    filter: brightness(1.03);
    box-shadow: 0 1px 2px rgba(255, 255, 255, 0.22) inset, 0 8px 22px rgba(24, 119, 242, 0.35);
}

.eduia-login-btn-primary:active {
    transform: translateY(0) scale(0.98);
    filter: brightness(0.98);
}

.eduia-login-btn-primary:focus-visible {
    outline: 3px solid rgba(79, 209, 255, 0.9);
    outline-offset: 3px;
}

@supports not (color: color-mix(in srgb, black 50%, white)) {
    .eduia-login-btn-primary {
        background: linear-gradient(135deg, #38bdf8 0%, var(--eduia-login-blue) 45%, #0d5fd4 100%);
    }
}

.eduia-login-btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    height: var(--eduia-login-control-h);
    border-radius: 10px;
    margin-top: 10px;
    font-weight: 500;
    font-size: clamp(0.9375rem, 1.85vw, 1.0625rem);
    color: #334155;
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    text-decoration: none;
    transition:
        background 0.18s ease,
        border-color 0.18s ease,
        box-shadow 0.18s ease;
}

.eduia-login-google-icon {
    color: #ea4335;
    font-size: calc(17px + var(--eduia-login-fs-bump));
}

.eduia-login-btn-google:hover,
.eduia-login-btn-google:focus {
    background: #f8fafc;
    border-color: rgba(24, 119, 242, 0.28);
    color: #0f172a;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
}

.eduia-login-footer {
    margin-top: 14px;
    text-align: center;
    font-size: clamp(0.75rem, 1.5vw, 0.875rem);
    font-weight: 400;
    color: #94a3b8;
    line-height: 1.5;
}

.eduia-login-footer-powered {
    display: block;
    margin-top: 4px;
    font-size: clamp(0.6875rem, 1.35vw, 0.8125rem);
    color: #cbd5e1;
}

/* Botón sonido vídeo */
.eduia-login-video-sound {
    position: fixed;
    bottom: max(16px, env(safe-area-inset-bottom, 16px));
    right: max(16px, env(safe-area-inset-right, 16px));
    z-index: 30;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: rgba(15, 23, 42, 0.55);
    color: #e2e8f0;
    font-size: calc(14px + var(--eduia-login-fs-bump));
    font-weight: 600;
    cursor: pointer;
    backdrop-filter: blur(14px) saturate(1.15);
    -webkit-backdrop-filter: blur(14px) saturate(1.15);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
    transition: transform 0.15s ease, background 0.15s ease;
    pointer-events: auto;
}

.eduia-login-video-sound__txt {
    font-size: 0.8125rem;
    letter-spacing: 0.02em;
}

.eduia-login-video-sound:hover {
    background: rgba(24, 119, 242, 0.45);
    color: #fff;
    transform: translateY(-1px);
}

@media (max-width: 420px) {
    .eduia-login-video-sound__txt {
        display: none;
    }
}

.eduia-login-video-sound[hidden] {
    display: none !important;
}

/* Escritorio estrecho: columnas proporcionales */
@media (max-width: 1024px) {
    .eduia-login-card {
        grid-template-columns: minmax(0, 1fr) minmax(248px, 340px);
    }
}

/* Tablet / móvil: marca arriba (compacta), formulario abajo — sin ocultar beneficios */
@media (max-width: 991px) {
    .eduia-login-card {
        grid-template-columns: 1fr;
        border-radius: clamp(16px, 4vw, var(--eduia-login-radius));
    }

    .eduia-login-brand-panel {
        width: 100% !important;
        float: none !important;
        max-width: 100% !important;
        min-height: auto !important;
        padding: clamp(18px, 4vw, 24px) clamp(18px, 4vw, 22px) clamp(14px, 3vw, 18px);
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    }

    .eduia-login-card .eduia-login-form-panel {
        width: 100% !important;
        float: none !important;
        max-width: 100% !important;
    }

    /* Logo duplicado: solo en columna marca en este breakpoint */
    .eduia-login-mobile-brand {
        display: none !important;
    }

    .eduia-login-bg-art::after {
        font-size: clamp(6rem, 38vw, 14rem);
        color: rgba(248, 250, 252, 0.09);
    }

    .eduia-login-video-overlay {
        background: rgba(2, 6, 23, 0.1);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }

    body.eduia-login-body::after {
        background: radial-gradient(ellipse 90% 80% at 50% 45%, transparent 0%, rgba(2, 6, 23, 0.08) 100%);
    }

    .eduia-login-form-panel {
        min-height: auto;
        padding-top: clamp(20px, 4vw, 26px);
        padding-bottom: clamp(24px, 5vw, 32px);
    }

    .eduia-login-form-card {
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
    }

    .eduia-login-brand-logo-wrap {
        justify-content: center;
        margin-bottom: 10px;
    }

    .eduia-login-hero-title,
    .eduia-login-hero-sub,
    .eduia-login-kicker {
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }

    .eduia-login-hero-title {
        max-width: 20ch;
    }

    .eduia-login-hero-sub {
        max-width: min(40ch, 100%);
    }

    .eduia-login-benefits {
        max-width: 26rem;
        margin-left: auto;
        margin-right: auto;
    }

    .eduia-login-institute-note {
        text-align: center;
        margin-top: 14px;
        padding-top: 12px;
    }
}

/* Teléfono: táctil cómodo sin inflar tanto los titulares */
@media (max-width: 576px) {
    :root {
        --eduia-login-fs-body: calc(1.0625rem + var(--eduia-login-fs-bump));
        --eduia-login-fs-small: calc(0.9375rem + var(--eduia-login-fs-bump));
        --eduia-login-fs-input: calc(1.125rem + var(--eduia-login-fs-bump));
        --eduia-login-control-h: 50px;
    }

    .eduia-login-shell {
        padding: clamp(8px, 3.5vw, 18px) clamp(12px, 4vw, 20px);
        padding-top: max(12px, env(safe-area-inset-top, 0px));
    }

    .eduia-login-form-panel {
        padding-left: clamp(14px, 5vw, 22px);
        padding-right: clamp(14px, 5vw, 22px);
        padding-top: 20px;
        padding-bottom: max(24px, env(safe-area-inset-bottom, 0px));
    }

    .eduia-login-form-card {
        max-width: 100%;
    }

    .eduia-login-form-title {
        font-size: clamp(1.5rem, 6vw, 1.95rem);
    }

    .eduia-login-form-sub {
        font-size: clamp(0.9rem, 3.5vw, 1.0625rem);
        margin-bottom: 16px;
        line-height: 1.4;
    }

    .eduia-login-form .form-group {
        margin-bottom: 12px;
    }

    .eduia-login-form .form-control {
        padding: 0 14px;
        border-radius: 12px;
    }

    .eduia-login-form .input-group .form-control {
        border-radius: 0 12px 12px 0;
    }

    .eduia-login-form .input-group-addon {
        border-radius: 12px 0 0 12px;
    }

    .eduia-login-btn-primary,
    .eduia-login-btn-google {
        font-size: clamp(0.9375rem, 3.6vw, 1.0625rem);
        height: var(--eduia-login-control-h);
        border-radius: 12px;
    }

    .eduia-login-forgot-row {
        font-size: clamp(0.8125rem, 3.2vw, 0.9375rem);
        gap: 8px;
        margin: 12px 0 6px;
    }

    .eduia-login-forgot-row .eduia-login-remember input {
        width: 22px;
        height: 22px;
    }

    .eduia-login-footer {
        font-size: clamp(0.75rem, 3.2vw, 0.875rem);
    }

    .eduia-login-footer-powered {
        font-size: clamp(0.6875rem, 3vw, 0.8125rem);
    }

    .eduia-login-mobile-brand {
        margin-bottom: 18px;
    }

    .eduia-login-brand-logo {
        max-height: 52px;
    }

    .eduia-login-video-sound {
        font-size: calc(16px + var(--eduia-login-fs-bump));
        padding: 12px 18px;
        bottom: max(14px, env(safe-area-inset-bottom, 14px));
        right: max(14px, env(safe-area-inset-right, 14px));
    }
}

@media (max-width: 480px) {
    .eduia-login-benefits .eduia-login-benefit {
        padding: 8px 10px;
        gap: 10px;
        font-size: 0.86rem;
    }

    .eduia-login-benefit-ico {
        width: 36px;
        height: 36px;
        font-size: 0.95rem;
    }

    .eduia-login-hero-title {
        font-size: clamp(1.35rem, 6vw, 1.75rem);
    }
}

@media (min-width: 992px) {
    .eduia-login-mobile-brand {
        display: none !important;
    }
}

/* ========================================================================== */
/* MODO MINIMAL (body.eduia-login--minimal) — glass con contraste premium      */
/* Panel marca: capa oscura legible. Formulario: superficie casi sólida.        */
/* ========================================================================== */

body.eduia-login-body.eduia-login--minimal {
    --eduia-login-card-bg: rgba(255, 255, 255, 0.14);
    --eduia-login-input-bg: #ffffff;
    --eduia-login-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --eduia-login-ease-soft: cubic-bezier(0.33, 1, 0.68, 1);
}

body.eduia-login--minimal .eduia-login-particles {
    opacity: 0.05;
}

body.eduia-login--minimal .eduia-login-bg-art::after {
    color: rgba(248, 250, 252, 0.06);
    text-shadow: 0 0 80px rgba(79, 209, 255, 0.12);
}

body.eduia-login-body.eduia-login--minimal::after {
    background: radial-gradient(ellipse 90% 85% at 50% 50%, transparent 40%, rgba(2, 6, 23, 0.028) 100%);
}

body.eduia-login--minimal .eduia-login-video-overlay {
    background: rgba(2, 6, 23, 0.03);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

body.eduia-login--minimal .eduia-login-video-scrim {
    background:
        radial-gradient(ellipse 88% 68% at 50% 42%, transparent 0%, rgba(7, 17, 31, 0.012) 100%),
        radial-gradient(ellipse 78% 52% at 50% 48%, rgba(24, 119, 242, 0.012) 0%, transparent 62%);
}

/* Menos velo global solo en login minimal: el vídeo “respira” */
body.eduia-login--minimal .eduia-login-overlay {
    background:
        radial-gradient(ellipse 96% 74% at 50% 26%, rgba(2, 6, 23, 0.05) 0%, transparent 56%),
        linear-gradient(168deg, rgba(2, 6, 23, 0.14) 0%, rgba(15, 23, 42, 0.07) 46%, rgba(2, 6, 23, 0.26) 100%);
}

body.eduia-login--minimal .eduia-login-video-layer video.eduia-login-video {
    /* Más protagonismo del MP4 detrás del vidrio */
    filter: saturate(1.22) contrast(1.04) brightness(1.18);
}

body.eduia-login--minimal .eduia-login-shell__inner {
    animation: none;
}

body.eduia-login--minimal .eduia-login-card {
    background: linear-gradient(
        150deg,
        rgba(12, 18, 32, 0.58) 0%,
        rgba(255, 255, 255, 0.1) 42%,
        rgba(15, 23, 42, 0.42) 100%
    );
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.22) inset,
        0 12px 40px rgba(2, 6, 23, 0.35),
        0 30px 80px rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(15px) saturate(1.12);
    -webkit-backdrop-filter: blur(15px) saturate(1.12);
    animation: eduia-login-minimal-card 0.88s var(--eduia-login-ease-out) both;
    transition:
        box-shadow 0.35s var(--eduia-login-ease-soft),
        border-color 0.35s var(--eduia-login-ease-soft),
        transform 0.35s var(--eduia-login-ease-soft);
}

@keyframes eduia-login-minimal-card {
    from {
        opacity: 0;
        transform: translateY(18px) scale(0.988);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@media (prefers-reduced-motion: reduce) {
    body.eduia-login--minimal .eduia-login-card {
        animation: none !important;
    }
}

/* Columna marca: vidrio oscuro + texto claro (alto contraste sobre vídeo) */
body.eduia-login--minimal .eduia-login-brand-panel {
    background:
        linear-gradient(165deg, rgba(15, 23, 42, 0.62) 0%, rgba(30, 41, 59, 0.55) 42%, rgba(15, 23, 42, 0.68) 100%);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px) saturate(1.08);
    -webkit-backdrop-filter: blur(12px) saturate(1.08);
    animation: eduia-login-minimal-pane 0.72s var(--eduia-login-ease-out) 0.06s both;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

body.eduia-login--minimal .eduia-login-hero-title {
    color: #f8fafc;
    text-shadow: 0 2px 28px rgba(2, 6, 23, 0.45);
}

body.eduia-login--minimal .eduia-login-hero-sub {
    color: #cbd5e1;
    text-shadow: 0 1px 18px rgba(2, 6, 23, 0.55);
}

body.eduia-login--minimal .eduia-login-kicker {
    color: #94a3b8;
}

body.eduia-login--minimal .eduia-login-brand-evolution {
    color: #94a3b8 !important;
}

body.eduia-login--minimal .eduia-login-benefits .eduia-login-benefit {
    color: #e2e8f0;
    text-shadow: 0 1px 12px rgba(2, 6, 23, 0.4);
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.1);
}

body.eduia-login--minimal .eduia-login-benefits .eduia-login-benefit:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(96, 165, 250, 0.35);
}

body.eduia-login--minimal .eduia-login-institute-note {
    color: #94a3b8;
    border-top-color: rgba(255, 255, 255, 0.12);
}

body.eduia-login--minimal .eduia-login-institute-note strong {
    color: #f1f5f9;
}

/* Wordmark / logo: legible sobre fondo oscuro */
body.eduia-login--minimal .eduia-login-brand-text {
    filter: drop-shadow(0 2px 12px rgba(0, 0, 0, 0.35));
}

/* Formulario: vidrio claro — deja ver el vídeo; inputs siguen opacos para WCAG */
body.eduia-login--minimal .eduia-login-form-panel {
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.26) 0%,
        rgba(248, 250, 252, 0.17) 100%
    );
    border-left: 1px solid rgba(255, 255, 255, 0.34);
    backdrop-filter: blur(12px) saturate(1.06);
    -webkit-backdrop-filter: blur(12px) saturate(1.06);
    animation: eduia-login-minimal-pane 0.72s var(--eduia-login-ease-out) 0.1s both;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.55),
        inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

@keyframes eduia-login-minimal-pane {
    from {
        opacity: 0;
        transform: translateX(6px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    body.eduia-login--minimal .eduia-login-brand-panel,
    body.eduia-login--minimal .eduia-login-form-panel {
        animation: none !important;
    }
}

@keyframes eduia-login-minimal-pane-mobile {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 991px) {
    body.eduia-login--minimal .eduia-login-brand-panel {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.14);
        animation: eduia-login-minimal-pane-mobile 0.72s var(--eduia-login-ease-out) 0.04s both;
    }

    body.eduia-login--minimal .eduia-login-form-panel {
        border-left: none;
        animation: eduia-login-minimal-pane-mobile 0.72s var(--eduia-login-ease-out) 0.08s both;
    }
}

@media (max-width: 991px) and (prefers-reduced-motion: reduce) {
    body.eduia-login--minimal .eduia-login-brand-panel,
    body.eduia-login--minimal .eduia-login-form-panel {
        animation: none !important;
    }
}

body.eduia-login--minimal .eduia-login-benefit-ico {
    background: rgba(24, 119, 242, 0.22);
    border: 1px solid rgba(96, 165, 250, 0.35);
    color: #93c5fd;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition:
        transform 0.28s var(--eduia-login-ease-soft),
        box-shadow 0.28s var(--eduia-login-ease-soft),
        border-color 0.28s var(--eduia-login-ease-soft);
}

body.eduia-login--minimal .eduia-login-benefits .eduia-login-benefit:hover .eduia-login-benefit-ico {
    transform: scale(1.04);
    box-shadow: 0 6px 20px rgba(24, 119, 242, 0.25);
    border-color: rgba(147, 197, 253, 0.55);
}

@media (prefers-reduced-motion: reduce) {
    body.eduia-login--minimal .eduia-login-benefits .eduia-login-benefit:hover .eduia-login-benefit-ico {
        transform: none;
    }
}

body.eduia-login--minimal .eduia-login-form .form-control,
body.eduia-login--minimal .eduia-login-form .input-group-addon {
    transition:
        border-color 0.28s var(--eduia-login-ease-soft),
        box-shadow 0.28s var(--eduia-login-ease-soft),
        background-color 0.28s var(--eduia-login-ease-soft);
}

body.eduia-login--minimal .eduia-login-form .form-control {
    background: #ffffff;
}

body.eduia-login--minimal .eduia-login-form .input-group-addon {
    background: linear-gradient(180deg, #fafbfc 0%, #f1f5f9 100%);
}

/* Legibilidad del bloque de bienvenida sobre vidrio */
body.eduia-login--minimal .eduia-login-form-title {
    text-shadow:
        0 1px 0 rgba(255, 255, 255, 0.95),
        0 2px 12px rgba(255, 255, 255, 0.35);
}

body.eduia-login--minimal .eduia-login-form-sub {
    text-shadow:
        0 1px 0 rgba(255, 255, 255, 0.75),
        0 1px 8px rgba(248, 250, 252, 0.45);
}

body.eduia-login--minimal .eduia-login-btn-primary,
body.eduia-login--minimal .eduia-login-btn-google {
    transition:
        transform 0.28s var(--eduia-login-ease-soft),
        box-shadow 0.28s var(--eduia-login-ease-soft),
        filter 0.28s var(--eduia-login-ease-soft),
        background 0.28s var(--eduia-login-ease-soft),
        border-color 0.28s var(--eduia-login-ease-soft);
}

body.eduia-login--minimal .eduia-login-btn-primary:hover,
body.eduia-login--minimal .eduia-login-btn-primary:focus {
    transform: translateY(-2px);
}

body.eduia-login--minimal .eduia-login-btn-google:hover,
body.eduia-login--minimal .eduia-login-btn-google:focus {
    transform: translateY(-1px);
}

@media (prefers-reduced-motion: reduce) {
    body.eduia-login--minimal .eduia-login-btn-primary:hover,
    body.eduia-login--minimal .eduia-login-btn-primary:focus,
    body.eduia-login--minimal .eduia-login-btn-google:hover,
    body.eduia-login--minimal .eduia-login-btn-google:focus {
        transform: none;
    }
}

body.eduia-login--minimal .eduia-login-video-sound {
    background: rgba(15, 23, 42, 0.55);
    border-color: rgba(255, 255, 255, 0.32);
    backdrop-filter: blur(12px) saturate(1.12);
    -webkit-backdrop-filter: blur(12px) saturate(1.12);
    transition:
        transform 0.3s var(--eduia-login-ease-soft),
        background 0.3s var(--eduia-login-ease-soft),
        border-color 0.3s var(--eduia-login-ease-soft);
}

/* ========================================================================== */
/* Login estilo Facebook — adaptado por institución (logo + portada + color)   */
/* body.eduia-login--fb                                                         */
/* ========================================================================== */

body.eduia-login-body.eduia-login--fb {
    --eduia-login-brand: var(--eduia-login-blue, #1877f2);
    --eduia-login-brand-hover: var(--eduia-secondary, #166fe5);
    --eduia-login-fb-bg: #eef2f8;
    --eduia-login-fb-text: #1c1e21;
    --eduia-login-fb-muted: #65676b;
    --eduia-login-fb-border: rgba(221, 223, 226, 0.85);
    --eduia-glass-blur: 20px;
    --eduia-glass-blur-strong: 28px;
    --eduia-glass-surface: rgba(255, 255, 255, 0.78);
    --eduia-glass-surface-strong: rgba(255, 255, 255, 0.92);
    --eduia-glass-border: rgba(255, 255, 255, 0.62);
    --eduia-glass-border-soft: rgba(255, 255, 255, 0.28);
    --eduia-glass-shadow: 0 16px 48px rgba(15, 23, 42, 0.12);
    --eduia-glass-inset: inset 0 1px 0 rgba(255, 255, 255, 0.75);
    background:
        radial-gradient(ellipse 80% 60% at 100% 0%, color-mix(in srgb, var(--eduia-login-brand) 14%, transparent), transparent 55%),
        radial-gradient(ellipse 70% 50% at 0% 100%, color-mix(in srgb, var(--eduia-login-brand) 10%, transparent), transparent 50%),
        var(--eduia-login-fb-bg) !important;
    color: var(--eduia-login-fb-text) !important;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
}

body.eduia-login--fb .eduia-login-bg-art,
body.eduia-login--fb .eduia-login-video-layer,
body.eduia-login--fb .eduia-login-overlay,
body.eduia-login--fb .eduia-login-particles,
body.eduia-login--fb .eduia-neural-atmosphere,
body.eduia-login--fb::after {
    display: none !important;
}

main.eduia-login-fb,
.eduia-login-fb {
    display: grid !important;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 480px);
    min-height: 100vh;
    min-height: 100dvh;
    width: 100%;
    position: relative;
    z-index: 1;
    isolation: isolate;
}

.eduia-login-fb-showcase {
    position: relative;
    display: flex;
    align-items: flex-end;
    min-height: 100%;
    overflow: hidden;
    background:
        linear-gradient(145deg, var(--eduia-login-brand) 0%, color-mix(in srgb, var(--eduia-login-brand) 55%, #0f172a) 100%);
}

body.eduia-login--platform .eduia-login-fb-showcase {
    background:
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.14), transparent 45%),
        linear-gradient(145deg, var(--eduia-login-brand) 0%, #0d5fd4 42%, #6b5cff 100%);
}

.eduia-login-fb-showcase__cover {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transform: scale(1.02);
}

.eduia-login-fb-showcase__scrim {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(0, 0, 0, 0.08) 0%, rgba(0, 0, 0, 0.55) 100%),
        linear-gradient(90deg, rgba(0, 0, 0, 0.35) 0%, transparent 55%);
    pointer-events: none;
}

body.eduia-login--has-cover .eduia-login-fb-showcase__scrim {
    background:
        linear-gradient(180deg, rgba(0, 0, 0, 0.05) 0%, rgba(0, 0, 0, 0.62) 100%),
        linear-gradient(90deg, rgba(0, 0, 0, 0.42) 0%, rgba(0, 0, 0, 0.12) 100%);
}

.eduia-login-fb-showcase__content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 560px;
    padding: clamp(24px, 5vw, 48px);
    padding-bottom: clamp(32px, 6vw, 56px);
    color: #fff;
}

.eduia-login-fb-showcase__logo-wrap {
    width: 168px;
    height: 168px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.85);
    box-shadow:
        0 12px 40px rgba(0, 0, 0, 0.28),
        0 0 0 6px rgba(255, 255, 255, 0.28),
        var(--eduia-glass-inset);
    backdrop-filter: blur(12px) saturate(1.2);
    -webkit-backdrop-filter: blur(12px) saturate(1.2);
    display: flex;
    align-items: center;
    justify-content: center;
    /* Padding ≥ (1 - 1/√2)/2 del diámetro para que un logo cuadrado quepa dentro del círculo */
    padding: 28px;
    margin-bottom: 18px;
    position: relative;
    overflow: hidden;
    clip-path: circle(50% at 50% 50%);
    -webkit-clip-path: circle(50% at 50% 50%);
    isolation: isolate;
    animation: eduia-login-glass-float 8s ease-in-out infinite;
}

.eduia-login-fb-showcase__logo-wrap::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.45);
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--eduia-login-brand) 35%, transparent);
    animation: eduia-login-glass-ring 3.2s ease-out infinite;
    pointer-events: none;
    z-index: 1;
}

.eduia-login-fb-showcase__logo {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    object-position: center;
    display: block;
    border-radius: 0;
    position: relative;
    z-index: 0;
}

.eduia-login-fb-showcase__eyebrow {
    margin: 0 0 8px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.82);
}

.eduia-login-fb-showcase__title {
    margin: 0 0 10px;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.03em;
    text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
}

.eduia-login-fb-showcase__tagline {
    margin: 0;
    font-size: clamp(1rem, 2vw, 1.15rem);
    line-height: 1.45;
    color: rgba(255, 255, 255, 0.92);
    max-width: 36ch;
}

.eduia-login-fb-showcase__address {
    margin: 14px 0 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.78);
}

.eduia-login-fb-showcase__features {
    list-style: none;
    margin: 20px 0 0;
    padding: 0;
    display: grid;
    gap: 8px;
}

.eduia-login-fb-showcase__features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.94);
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.22);
    backdrop-filter: blur(10px) saturate(1.15);
    -webkit-backdrop-filter: blur(10px) saturate(1.15);
    box-shadow: var(--eduia-glass-inset);
    transition: background 0.25s ease, transform 0.25s ease;
}

.eduia-login-fb-showcase__features li:hover {
    background: rgba(255, 255, 255, 0.16);
    transform: translateX(4px);
}

.eduia-login-fb-showcase__features i {
    width: 28px;
    text-align: center;
    opacity: 0.9;
}

.eduia-login-fb-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(20px, 4vw, 40px) clamp(16px, 3vw, 32px);
    background: transparent;
    position: relative;
}

.eduia-login-fb-panel__inner {
    width: 100%;
    max-width: 396px;
    background: var(--eduia-glass-surface);
    border-radius: 16px;
    border: 1px solid var(--eduia-glass-border);
    box-shadow: var(--eduia-glass-shadow), var(--eduia-glass-inset);
    backdrop-filter: blur(var(--eduia-glass-blur)) saturate(1.18);
    -webkit-backdrop-filter: blur(var(--eduia-glass-blur)) saturate(1.18);
    padding: clamp(20px, 4vw, 28px) clamp(16px, 4vw, 24px);
    position: relative;
    overflow: hidden;
    animation: eduia-login-glass-rise 0.85s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.eduia-login-fb-panel__head {
    display: none;
    justify-content: center;
    margin-bottom: 12px;
}

.eduia-login-fb-panel__logo {
    max-height: 52px;
    width: auto;
    max-width: 220px;
    object-fit: contain;
}

.eduia-login-fb-panel__wordmark {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    color: var(--eduia-login-brand);
}

.eduia-login-fb-panel__title {
    margin: 0 0 6px;
    font-size: clamp(1.35rem, 3.5vw, 1.65rem);
    font-weight: 700;
    color: var(--eduia-login-fb-text);
    text-align: center;
}

.eduia-login-fb-panel__sub {
    margin: 0 0 18px;
    font-size: 15px;
    line-height: 1.45;
    color: var(--eduia-login-fb-muted);
    text-align: center;
}

.eduia-login-fb-label {
    display: block;
    margin: 0 0 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--eduia-login-fb-text);
}

.eduia-login-fb-form .form-group {
    margin-bottom: 12px;
}

.eduia-login-fb-input {
    height: 48px;
    border-radius: 10px !important;
    border: 1px solid var(--eduia-login-fb-border) !important;
    background: var(--eduia-glass-surface-strong) !important;
    backdrop-filter: blur(8px) saturate(1.1);
    -webkit-backdrop-filter: blur(8px) saturate(1.1);
    font-size: 16px !important;
    padding: 0 14px !important;
    box-shadow: var(--eduia-glass-inset) !important;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.eduia-login-fb-input:focus {
    border-color: var(--eduia-login-brand) !important;
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--eduia-login-brand) 22%, transparent) !important;
    outline: none;
}

.eduia-login-fb-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    margin: 4px 0 14px;
    font-size: 14px;
}

.eduia-login-fb-link {
    color: var(--eduia-login-brand);
    font-weight: 600;
    text-decoration: none;
}

.eduia-login-fb-link:hover,
.eduia-login-fb-link:focus {
    color: var(--eduia-login-brand-hover);
    text-decoration: underline;
}

.eduia-login-fb-submit {
    width: 100%;
    height: 48px;
    border-radius: 10px !important;
    border: 1px solid color-mix(in srgb, var(--eduia-login-brand) 80%, #fff) !important;
    font-size: 17px !important;
    font-weight: 700 !important;
    color: #fff !important;
    background: linear-gradient(
        135deg,
        color-mix(in srgb, var(--eduia-login-brand) 92%, #fff),
        var(--eduia-login-brand-hover)
    ) !important;
    box-shadow:
        0 8px 24px color-mix(in srgb, var(--eduia-login-brand) 38%, transparent),
        inset 0 1px 0 rgba(255, 255, 255, 0.35) !important;
    margin-top: 0 !important;
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

.eduia-login-fb-submit::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        105deg,
        transparent 35%,
        rgba(255, 255, 255, 0.28) 50%,
        transparent 65%
    );
    transform: translateX(-120%);
    transition: transform 0.55s ease;
    pointer-events: none;
}

.eduia-login-fb-submit:hover::after,
.eduia-login-fb-submit:focus::after {
    transform: translateX(120%);
}

.eduia-login-fb-submit:hover,
.eduia-login-fb-submit:focus {
    background: linear-gradient(
        135deg,
        var(--eduia-login-brand-hover),
        color-mix(in srgb, var(--eduia-login-brand) 75%, #0f172a)
    ) !important;
    color: #fff !important;
    transform: translateY(-1px);
    filter: none;
    box-shadow:
        0 12px 28px color-mix(in srgb, var(--eduia-login-brand) 42%, transparent),
        inset 0 1px 0 rgba(255, 255, 255, 0.35) !important;
}

.eduia-login-fb-google {
    margin-top: 12px;
    border-radius: 10px !important;
    height: 48px;
    background: var(--eduia-glass-surface-strong) !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--eduia-login-fb-border) !important;
    box-shadow: var(--eduia-glass-inset);
}

.eduia-login-fb-website {
    margin: 14px 0 0;
    text-align: center;
    font-size: 14px;
}

.eduia-login-fb-footer {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid #e4e6eb;
    text-align: center;
    font-size: 12px;
    color: var(--eduia-login-fb-muted);
    line-height: 1.5;
}

.eduia-login-fb-footer__powered {
    display: block;
    margin-top: 4px;
    font-size: 11px;
    color: #bcc0c4;
}

@media (max-width: 991px) {
    .eduia-login-fb {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
    }

    .eduia-login-fb-showcase {
        min-height: clamp(220px, 38vh, 320px);
        align-items: flex-end;
    }

    .eduia-login-fb-showcase__logo-wrap {
        width: 96px;
        height: 96px;
        padding: 16px;
        margin-bottom: 12px;
        position: absolute;
        left: clamp(16px, 4vw, 24px);
        bottom: -48px;
        z-index: 3;
    }

    .eduia-login-fb-showcase__content {
        padding-bottom: 56px;
        padding-top: clamp(20px, 4vw, 28px);
    }

    .eduia-login-fb-showcase__title {
        font-size: clamp(1.35rem, 5vw, 1.75rem);
        padding-right: 110px;
    }

    .eduia-login-fb-panel {
        padding-top: 56px;
    }

    .eduia-login-fb-panel__head {
        display: flex;
    }

    body.eduia-login--has-cover .eduia-login-fb-showcase__logo-wrap {
        bottom: auto;
        top: clamp(16px, 4vw, 24px);
        left: auto;
        right: clamp(16px, 4vw, 24px);
    }

    body.eduia-login--has-cover .eduia-login-fb-showcase__title {
        padding-right: 0;
        max-width: calc(100% - 112px);
    }
}

@media (max-width: 576px) {
    .eduia-login-fb-panel {
        padding: 12px;
        padding-top: 48px;
        align-items: flex-start;
    }

    .eduia-login-fb-panel__inner {
        box-shadow: none;
        border-radius: 0;
        padding: 16px 4px 24px;
        max-width: none;
    }

    .eduia-login-fb-showcase {
        min-height: 200px;
    }

    .eduia-login-fb-meta {
        flex-direction: column;
        align-items: stretch;
    }

    .eduia-login-fb-meta .eduia-login-remember,
    .eduia-login-fb-meta .eduia-login-fb-link {
        width: 100%;
    }

    .eduia-login-fb-submit,
    .eduia-login-fb-google,
    .eduia-login-fb-input {
        min-height: 48px;
    }
}

@supports not (color: color-mix(in srgb, black 50%, white)) {
    .eduia-login-fb-showcase {
        background: linear-gradient(145deg, var(--eduia-login-brand) 0%, #0f172a 100%);
    }

    .eduia-login-fb-input:focus {
        box-shadow: 0 0 0 2px rgba(24, 119, 242, 0.22) !important;
    }
}

/* ========================================================================== */
/* Glassmorphism · evolución visual (login FB)                                  */
/* ========================================================================== */

.eduia-login-glass-ambient {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.eduia-login-glass-mesh {
    position: absolute;
    inset: 0;
    opacity: 0.55;
    background:
        radial-gradient(circle at 78% 18%, color-mix(in srgb, var(--eduia-login-brand) 16%, transparent), transparent 42%),
        radial-gradient(circle at 12% 82%, rgba(107, 92, 255, 0.12), transparent 40%);
}

.eduia-login-glass-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(72px);
    opacity: 0.55;
    will-change: transform;
}

.eduia-login-glass-orb--1 {
    width: min(420px, 55vw);
    height: min(420px, 55vw);
    top: -8%;
    right: 8%;
    background: color-mix(in srgb, var(--eduia-login-brand) 55%, #4da3ff);
    animation: eduia-login-orb-drift-a 22s ease-in-out infinite alternate;
    transform: translate(var(--eduia-glass-tilt-x, 0px), var(--eduia-glass-tilt-y, 0px));
}

.eduia-login-glass-orb--2 {
    width: min(360px, 48vw);
    height: min(360px, 48vw);
    bottom: 6%;
    right: 22%;
    background: rgba(107, 92, 255, 0.45);
    animation: eduia-login-orb-drift-b 26s ease-in-out infinite alternate;
    transform: translate(calc(var(--eduia-glass-tilt-x, 0px) * -0.6), calc(var(--eduia-glass-tilt-y, 0px) * -0.6));
}

.eduia-login-glass-orb--3 {
    width: min(280px, 38vw);
    height: min(280px, 38vw);
    top: 42%;
    left: 58%;
    background: rgba(79, 209, 255, 0.35);
    animation: eduia-login-orb-drift-c 19s ease-in-out infinite alternate;
    transform: translate(calc(var(--eduia-glass-tilt-x, 0px) * 0.45), calc(var(--eduia-glass-tilt-y, 0px) * 0.45));
}

.eduia-login-glass-card {
    position: relative;
    isolation: isolate;
}

.eduia-login-glass-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.65),
        rgba(255, 255, 255, 0.08) 45%,
        rgba(255, 255, 255, 0.35)
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0.85;
}

.eduia-login-glass-card--hero {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--eduia-glass-border-soft);
    border-radius: 24px;
    backdrop-filter: blur(var(--eduia-glass-blur-strong)) saturate(1.25);
    -webkit-backdrop-filter: blur(var(--eduia-glass-blur-strong)) saturate(1.25);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.22),
        var(--eduia-glass-inset);
    animation: eduia-login-glass-rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.05s both;
}

.eduia-login-glass-card--form::before {
    animation: eduia-login-glass-border-shimmer 8s linear infinite;
}

.eduia-login-fb-showcase__glass-shine {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: linear-gradient(
        115deg,
        transparent 40%,
        rgba(255, 255, 255, 0.12) 50%,
        transparent 60%
    );
    transform: translateX(-120%) skewX(-12deg);
    animation: eduia-login-glass-sweep 9s ease-in-out infinite;
}

body.eduia-login--has-cover .eduia-login-fb-showcase__cover {
    animation: eduia-login-cover-evolve 24s ease-in-out infinite alternate;
}

.eduia-login-fb-showcase__features {
    gap: 10px;
}

@keyframes eduia-login-glass-rise {
    from {
        opacity: 0;
        transform: translateY(18px) scale(0.985);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes eduia-login-glass-float {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-6px);
    }
}

@keyframes eduia-login-glass-ring {
    0% {
        box-shadow: 0 0 0 0 color-mix(in srgb, var(--eduia-login-brand) 40%, transparent);
        opacity: 0.95;
    }
    70% {
        box-shadow: 0 0 0 14px transparent;
        opacity: 0.35;
    }
    100% {
        box-shadow: 0 0 0 0 transparent;
        opacity: 0.95;
    }
}

@keyframes eduia-login-orb-drift-a {
    from {
        transform: translate(0, 0) scale(1);
    }
    to {
        transform: translate(-28px, 22px) scale(1.06);
    }
}

@keyframes eduia-login-orb-drift-b {
    from {
        transform: translate(0, 0) scale(1);
    }
    to {
        transform: translate(20px, -26px) scale(0.94);
    }
}

@keyframes eduia-login-orb-drift-c {
    from {
        transform: translate(0, 0) scale(1);
    }
    to {
        transform: translate(-18px, -16px) scale(1.08);
    }
}

@keyframes eduia-login-glass-sweep {
    0%,
    62% {
        transform: translateX(-120%) skewX(-12deg);
        opacity: 0;
    }
    68% {
        opacity: 1;
    }
    78% {
        transform: translateX(120%) skewX(-12deg);
        opacity: 0;
    }
    100% {
        transform: translateX(120%) skewX(-12deg);
        opacity: 0;
    }
}

@keyframes eduia-login-glass-border-shimmer {
    0% {
        opacity: 0.55;
    }
    50% {
        opacity: 0.95;
    }
    100% {
        opacity: 0.55;
    }
}

@keyframes eduia-login-cover-evolve {
    from {
        transform: scale(1.02);
    }
    to {
        transform: scale(1.08);
    }
}

@media (prefers-reduced-motion: reduce) {
    .eduia-login-glass-orb,
    .eduia-login-fb-showcase__logo-wrap,
    .eduia-login-fb-showcase__logo-wrap::before,
    .eduia-login-fb-showcase__glass-shine,
    .eduia-login-glass-card--hero,
    .eduia-login-fb-panel__inner,
    .eduia-login-glass-card--form::before,
    body.eduia-login--has-cover .eduia-login-fb-showcase__cover {
        animation: none !important;
    }

    .eduia-login-fb-showcase__features li:hover {
        transform: none;
    }
}

@media (max-width: 991px) {
    .eduia-login-glass-card--hero {
        border-radius: 18px;
        margin-inline: clamp(8px, 3vw, 16px);
        width: calc(100% - clamp(16px, 6vw, 32px));
    }

    .eduia-login-glass-orb--3 {
        left: auto;
        right: -10%;
    }
}