/* SIREDE — Propuesta "futurista" (index2.php)
   Split-screen claro, glassmorphism y acentos en tonos azules. */

:root {
    --sf-bg: #eef3f9;
    --sf-bg-2: #f6f9fc;
    --sf-panel: #ffffffb3;
    --sf-panel-border: #0a3d6220;
    --sf-primary: #0d6efd;
    --sf-info: #0dcaf0;
    --sf-navy: #0a3d62;
    --sf-text: #1b2733;
    --sf-muted: #64748b;
    --sf-orb-3: #0a3d62;
    --sf-radius: 22px;
}

.sf-body {
    margin: 0;
    min-height: 100vh;
    background: var(--sf-bg);
    color: var(--sf-text);
    font-family: 'Jost', sans-serif;
    overflow-x: hidden;
}

.sf-shell {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    min-height: 100vh;
}

/* -------- Panel izquierdo (hero) -------- */

.sf-hero {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 64px 72px;
    overflow: hidden;
    background:
        radial-gradient(120% 120% at 0% 0%, #ffffffa8 0%, transparent 55%),
        linear-gradient(155deg, #c9e0f6 0%, #d7e9f7 45%, #e0eef8 75%, #cfe3f2 100%);
}

.sf-hero__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(#0a3d6210 1px, transparent 1px),
        linear-gradient(90deg, #0a3d6210 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(circle at 30% 30%, black 0%, transparent 70%);
    pointer-events: none;
}

.sf-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    opacity: .45;
    pointer-events: none;
    animation: sf-float 12s ease-in-out infinite;
}

.sf-orb--1 {
    width: 340px;
    height: 340px;
    top: -60px;
    left: -60px;
    background: radial-gradient(circle, var(--sf-info), transparent 70%);
    animation-delay: 0s;
}

.sf-orb--2 {
    width: 300px;
    height: 300px;
    bottom: -40px;
    left: 30%;
    background: radial-gradient(circle, var(--sf-primary), transparent 70%);
    animation-delay: -4s;
}

.sf-orb--3 {
    width: 220px;
    height: 220px;
    top: 30%;
    right: -40px;
    background: radial-gradient(circle, var(--sf-orb-3), transparent 70%);
    animation-delay: -8s;
}

@keyframes sf-float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(20px, -25px) scale(1.08);
    }
}

.sf-hero__content {
    position: relative;
    z-index: 1;
    max-width: 480px;
}

.sf-logos {
    display: flex;
    align-items: center;
    gap: 26px;
    margin-bottom: 40px;
}

.sf-logos img {
    display: block;
    object-fit: contain;
}

.sf-logos__seal {
    width: 108px;
    height: 108px;
}

.sf-logos__divider {
    width: 1px;
    height: 54px;
    background: #0a3d6226;
}

.sf-logos__sirede {
    height: 58px;
    width: auto;
}

.sf-hero h1 {
    font-size: 44px;
    line-height: 1.15;
    font-weight: 600;
    margin: 0 0 18px;
    letter-spacing: -.02em;
    color: var(--sf-navy);
}

.sf-hero h1 span {
    background: linear-gradient(90deg, var(--sf-primary), var(--sf-info));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.sf-hero p.sf-lead {
    color: var(--sf-muted);
    font-size: 16.5px;
    line-height: 1.6;
    margin-bottom: 36px;
}

.sf-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.sf-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--sf-panel);
    border: 1px solid var(--sf-panel-border);
    padding: 9px 15px;
    border-radius: 12px;
    font-size: 13.5px;
    color: var(--sf-navy);
    box-shadow: 0 6px 16px -8px #0a3d6226;
}

.sf-chip i {
    color: var(--sf-primary);
    font-size: 13px;
}

/* -------- Panel derecho (formulario) -------- */

.sf-form-side {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 28px;
    background: var(--sf-bg-2);
}

.sf-card {
    width: 100%;
    max-width: 400px;
    background: #ffffff;
    border: 1px solid #0a3d6214;
    border-radius: var(--sf-radius);
    padding: 40px 32px;
    box-shadow: 0 30px 60px -20px #0a3d6233;
    animation: sf-card-in .55s cubic-bezier(.2, .8, .2, 1) both;
}

@keyframes sf-card-in {
    from {
        opacity: 0;
        transform: translateY(18px) scale(.98);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.sf-card__eyebrow {
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: 12px;
    color: var(--sf-primary);
    margin-bottom: 8px;
    font-weight: 600;
}

.sf-card__title {
    font-size: 26px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--sf-navy);
}

.sf-card__subtitle {
    color: var(--sf-muted);
    font-size: 14px;
    margin-bottom: 30px;
}

.sf-field {
    margin-bottom: 18px;
    text-align: left;
}

.sf-field label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .05em;
    text-transform: uppercase;
    color: var(--sf-muted);
    margin-bottom: 8px;
}

.sf-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
    background: #f4f8fc;
    border: 1.5px solid #0a3d6217;
    border-radius: 14px;
    transition: border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
}

.sf-input-wrap:focus-within {
    border-color: var(--sf-primary);
    background: #fff;
    box-shadow: 0 0 0 4px #0d6efd21;
}

.sf-input-wrap .sf-icon {
    width: 44px;
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sf-primary);
    opacity: .85;
    font-size: 14.5px;
}

.sf-input-wrap select.sf-control,
.sf-input-wrap input.sf-control {
    flex: 1;
    min-width: 0;
    border: 0;
    background: transparent;
    outline: none;
    padding: 13px 14px 13px 0;
    font-size: 15px;
    color: var(--sf-text);
    font-family: 'Jost', sans-serif;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.sf-input-wrap select.sf-control {
    cursor: pointer;
    color-scheme: light;
}

.sf-input-wrap select.sf-control::-ms-expand {
    display: none;
}

/* Estilo propio de las opciones del <select>: sin esto, Windows/Firefox
   pintan la lista con los colores nativos del sistema (fea, inconsistente
   con Mac) y en modo oscuro el texto claro queda sobre un fondo blanco
   que el navegador fuerza por defecto. */
.sf-input-wrap select.sf-control option {
    background-color: #ffffff;
    color: var(--sf-text);
    padding: 10px;
}

.sf-input-wrap input.sf-control::placeholder {
    color: #9aa7b8;
}

.sf-input-wrap .sf-toggle,
.sf-input-wrap .sf-caret {
    width: 42px;
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sf-muted);
    font-size: 14px;
}

.sf-input-wrap .sf-toggle {
    cursor: pointer;
    transition: color .15s ease;
}

.sf-input-wrap .sf-toggle:hover {
    color: var(--sf-primary);
}

.sf-row-between {
    display: flex;
    justify-content: flex-end;
    margin: 2px 0 24px;
}

.sf-forgot {
    font-size: 13px;
    color: var(--sf-primary);
    opacity: .9;
    transition: opacity .15s ease;
}

.sf-forgot:hover {
    opacity: 1;
    text-decoration: underline;
}

.sf-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: 0;
    border-radius: 14px;
    padding: 15px 20px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    font-family: 'Jost', sans-serif;
    cursor: pointer;
    background: linear-gradient(90deg, var(--sf-primary), var(--sf-info));
    box-shadow: 0 14px 30px -10px #0d6efd55;
    transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}

.sf-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 34px -8px #0d6efd66;
    filter: brightness(1.05);
}

.sf-btn:active {
    transform: translateY(0);
}

.sf-page-foot {
    padding: 18px 20px 22px;
    text-align: center;
    font-size: 14px;
    color: var(--sf-muted);
    line-height: 1.6;
}

/* -------- Responsive -------- */

@media (max-width: 980px) {
    .sf-shell {
        grid-template-columns: 1fr;
    }

    .sf-hero {
        padding: 40px 28px 60px;
    }

    .sf-hero h1 {
        font-size: 32px;
    }

    .sf-hero p.sf-lead {
        font-size: 14px;
    }

    .sf-chips {
        display: none;
    }
}

@media (max-width: 480px) {
    .sf-card {
        padding: 30px 20px;
    }

    .sf-hero {
        padding: 34px 20px 44px;
    }

    .sf-hero h1 {
        font-size: 27px;
    }
}

@media (max-width: 600px) {

    /* Modo celular: quitamos la frase secundaria y subimos el bloque de login */
    .sf-hero {
        padding: 28px 20px 16px;
    }

    .sf-lead__sub {
        display: none;
    }

    .sf-form-side {
        padding-top: 12px;
    }
}

/* -------- Botón flotante: modo oscuro -------- */

.theme-toggle {
    position: fixed;
    top: 22px;
    right: 22px;
    z-index: 50;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sf-panel);
    border: 1px solid var(--sf-panel-border);
    backdrop-filter: blur(12px);
    color: var(--sf-navy);
    cursor: pointer;
    font-size: 18px;
    box-shadow: 0 8px 20px -8px #0a3d6240;
    transition: transform .18s ease, background-color .18s ease, color .18s ease, box-shadow .18s ease;
}

.theme-toggle:hover {
    transform: translateY(-2px) scale(1.05);
}

/* -------- Tema oscuro -------- */

.sf-body.dark-mode {
    --sf-bg: #070b13;
    --sf-bg-2: #0d1420;
    --sf-panel: #ffffff0f;
    --sf-panel-border: #ffffff1f;
    --sf-navy: #eef2f7;
    --sf-text: #eef2f7;
    --sf-muted: #9aa7b8;
    --sf-orb-3: #24344a;
}

.sf-body.dark-mode .theme-toggle {
    box-shadow: 0 8px 20px -8px #00000066;
}

.sf-body.dark-mode .sf-hero {
    background:
        radial-gradient(120% 120% at 0% 0%, #ffffff14 0%, transparent 55%),
        linear-gradient(155deg, #0a1120 0%, #101a2c 45%, #16202f 75%, #1a2436 100%);
}

.sf-body.dark-mode .sf-hero__grid {
    background-image:
        linear-gradient(#ffffff0c 1px, transparent 1px),
        linear-gradient(90deg, #ffffff0c 1px, transparent 1px);
}

.sf-body.dark-mode .sf-orb {
    opacity: .55;
}

.sf-body.dark-mode .sf-logos__divider {
    background: #ffffff26;
}

.sf-body.dark-mode .sf-chip {
    box-shadow: 0 6px 16px -8px #00000066;
}

.sf-body.dark-mode .sf-card__eyebrow,
.sf-body.dark-mode .sf-input-wrap .sf-icon,
.sf-body.dark-mode .sf-forgot,
.sf-body.dark-mode .sf-chip i {
    color: var(--sf-info);
}

.sf-body.dark-mode .sf-card {
    background: #ffffff0d;
    border: 1px solid #ffffff1f;
    backdrop-filter: blur(18px);
    box-shadow: 0 30px 60px -20px #00000080;
}

.sf-body.dark-mode .sf-input-wrap {
    background: #ffffff0a;
    border: 1.5px solid #ffffff1a;
}

.sf-body.dark-mode .sf-input-wrap:focus-within {
    border-color: var(--sf-info);
    background: #ffffff14;
    box-shadow: 0 0 0 4px #38bdf82a;
}

.sf-body.dark-mode .sf-input-wrap select.sf-control,
.sf-body.dark-mode .sf-input-wrap input.sf-control {
    color-scheme: dark;
}

.sf-body.dark-mode .sf-input-wrap select.sf-control option {
    background-color: var(--sf-bg-2);
    color: var(--sf-text);
}

.sf-body.dark-mode .sf-input-wrap input.sf-control::placeholder {
    color: #7c8894;
}