/* ============================================================
   Login — I.E.P. Jesús Buen Amigo
   Paleta: azul marino, dorado y celeste del escudo institucional
   ============================================================ */

:root {
    --xlogin-navy: #152454;
    --xlogin-navy-dark: #0c1838;
    --xlogin-navy-light: #1e3270;
    --xlogin-gold: #c9a227;
    --xlogin-gold-light: #e4c76a;
    --xlogin-sky: #5eb3d9;
    --xlogin-sky-light: #8ecae6;
    --xlogin-white: #ffffff;
    --xlogin-danger: #c0392b;
    --xlogin-text: #1a2744;
    --xlogin-text-muted: #5c6b82;
    --xlogin-border: rgba(21, 36, 84, 0.12);
    --xlogin-shadow: 0 24px 60px rgba(12, 24, 56, 0.28);
    --xlogin-radius: 20px;
    --xlogin-transition: 0.22s ease;
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    color: var(--xlogin-text);
}

/* ---- Fondo institucional ---- */
.xlogin-page {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.25rem;
    background: linear-gradient(160deg, var(--xlogin-navy-dark) 0%, var(--xlogin-navy) 45%, var(--xlogin-navy-light) 100%);
    overflow: hidden;
}

.xlogin-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.xlogin-bg__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.35;
}

.xlogin-bg__orb--1 {
    width: 420px;
    height: 420px;
    top: -120px;
    right: -80px;
    background: var(--xlogin-sky);
}

.xlogin-bg__orb--2 {
    width: 320px;
    height: 320px;
    bottom: -80px;
    left: -60px;
    background: var(--xlogin-gold);
    opacity: 0.18;
}

.xlogin-bg__pattern {
    position: absolute;
    inset: 0;
    opacity: 0.04;
    background-image:
        linear-gradient(rgba(255,255,255,0.8) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.8) 1px, transparent 1px);
    background-size: 48px 48px;
}

/* ---- Contenedor central ---- */
.xlogin-shell {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 480px;
}

.xlogin-shell__inner {
    animation: xloginFadeUp 0.55s ease both;
}

@keyframes xloginFadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---- Cabecera con logo ---- */
.xlogin-hero {
    text-align: center;
    margin-bottom: 1.75rem;
    color: var(--xlogin-white);
}

.xlogin-hero__logo-wrap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--xlogin-white);
    border-radius: 24px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.25rem;
    box-shadow:
        0 0 0 3px rgba(201, 162, 39, 0.35),
        0 16px 40px rgba(0, 0, 0, 0.25);
}

.xlogin-hero__logo {
    display: block;
    width: auto;
    height: auto;
    max-width: 200px;
    max-height: 220px;
    object-fit: contain;
}

.xlogin-hero__institution {
    margin: 0 0 0.35rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--xlogin-gold-light);
}

.xlogin-hero__title {
    margin: 0 0 0.5rem;
    font-size: 1.65rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.xlogin-hero__subtitle {
    margin: 0 0 1.1rem;
    font-size: 0.92rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.78);
}

.xlogin-hero__values {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

.xlogin-hero__values li {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    border: 1px solid rgba(201, 162, 39, 0.45);
    background: rgba(201, 162, 39, 0.12);
    color: var(--xlogin-gold-light);
}

/* ---- Alertas ---- */
.xlogin-alerts {
    margin-bottom: 1rem;
}

.xlogin-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    border: 0;
    border-radius: 12px;
    padding: 0.85rem 1rem;
    font-size: 0.875rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.xlogin-alert i {
    margin-top: 2px;
    flex-shrink: 0;
}

.xlogin-alert ul {
    padding-left: 1rem;
    margin-bottom: 0;
}

.xlogin-alert .close {
    margin-left: auto;
    padding: 0;
    font-size: 1.25rem;
    line-height: 1;
}

/* ---- Tarjeta de acceso ---- */
.xlogin-card {
    background: var(--xlogin-white);
    border-radius: var(--xlogin-radius);
    box-shadow: var(--xlogin-shadow);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 2rem 2rem 2.25rem;
    position: relative;
    overflow: hidden;
}

.xlogin-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--xlogin-gold) 0%, var(--xlogin-sky) 50%, var(--xlogin-navy) 100%);
}

.xlogin-card__head {
    text-align: center;
    margin-bottom: 1.75rem;
}

.xlogin-card__title {
    margin: 0 0 0.35rem;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--xlogin-navy);
    letter-spacing: -0.02em;
}

.xlogin-card__desc {
    margin: 0;
    font-size: 0.88rem;
    color: var(--xlogin-text-muted);
    line-height: 1.5;
}

/* ---- Formulario ---- */
.xlogin-form {
    display: flex;
    flex-direction: column;
    gap: 1.15rem;
}

.xlogin-field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.xlogin-label {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--xlogin-navy);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.xlogin-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.xlogin-input-icon {
    position: absolute;
    left: 14px;
    color: var(--xlogin-text-muted);
    font-size: 0.95rem;
    pointer-events: none;
    z-index: 1;
    transition: color var(--xlogin-transition);
}

.xlogin-input {
    width: 100%;
    height: 50px;
    padding: 0 14px 0 42px;
    border: 1.5px solid var(--xlogin-border);
    border-radius: 12px;
    font-size: 0.95rem;
    color: var(--xlogin-text);
    background: #f6f8fc;
    transition: border-color var(--xlogin-transition), box-shadow var(--xlogin-transition), background var(--xlogin-transition);
    outline: none;
}

.xlogin-input--clave {
    padding-right: 46px;
}

.xlogin-input::placeholder {
    color: #94a3b8;
}

.xlogin-input:hover {
    border-color: rgba(94, 179, 217, 0.5);
}

.xlogin-input:focus {
    border-color: var(--xlogin-sky);
    background: var(--xlogin-white);
    box-shadow: 0 0 0 3px rgba(94, 179, 217, 0.22);
}

.xlogin-input-wrap:focus-within .xlogin-input-icon {
    color: var(--xlogin-navy-light);
}

.xlogin-toggle-clave {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--xlogin-text-muted);
    padding: 4px 6px;
    border-radius: 6px;
    transition: color var(--xlogin-transition), background var(--xlogin-transition);
    line-height: 1;
}

.xlogin-toggle-clave:hover {
    color: var(--xlogin-navy);
    background: rgba(21, 36, 84, 0.06);
}

.xlogin-form__actions {
    display: flex;
    justify-content: flex-end;
    margin-top: -0.25rem;
}

.xlogin-forgot {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--xlogin-navy-light);
    text-decoration: none;
    transition: color var(--xlogin-transition);
}

.xlogin-forgot:hover {
    color: var(--xlogin-gold);
    text-decoration: none;
}

/* ---- Botón ---- */
.xlogin-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    width: 100%;
    height: 52px;
    margin-top: 0.25rem;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--xlogin-navy-light) 0%, var(--xlogin-navy) 100%);
    color: var(--xlogin-white);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(21, 36, 84, 0.35);
    transition: transform var(--xlogin-transition), box-shadow var(--xlogin-transition), filter var(--xlogin-transition);
}

.xlogin-submit:hover {
    filter: brightness(1.06);
    box-shadow: 0 10px 30px rgba(21, 36, 84, 0.42);
    transform: translateY(-1px);
}

.xlogin-submit:active {
    transform: translateY(0);
}

.xlogin-submit i {
    font-size: 0.85rem;
    transition: transform var(--xlogin-transition);
}

.xlogin-submit:hover i {
    transform: translateX(3px);
}

/* ---- Footer ---- */
.xlogin-footer {
    text-align: center;
    margin-top: 1.75rem;
    color: rgba(255, 255, 255, 0.65);
}

.xlogin-footer p {
    margin: 0;
    font-size: 0.78rem;
    line-height: 1.5;
}

.xlogin-footer__sub {
    margin-top: 0.25rem !important;
    font-size: 0.72rem !important;
    opacity: 0.75;
}

/* ---- Responsive ---- */
@media (max-width: 480px) {
    .xlogin-page {
        padding: 1.25rem 1rem;
    }

    .xlogin-hero__logo {
        max-width: 160px;
        max-height: 180px;
    }

    .xlogin-hero__title {
        font-size: 1.35rem;
    }

    .xlogin-hero__values li {
        font-size: 0.65rem;
        padding: 0.3rem 0.6rem;
    }

    .xlogin-card {
        padding: 1.5rem 1.25rem 1.75rem;
    }
}