/* Pagina de inicio de sesion (independiente de base.html y de Tailwind).
   Linea visual sobria: azul marino, blanco y un acento dorado/bronce. */

:root {
    --marino: #0a1628;
    --marino-negro: #050a15;
    --marino-boton: #1a2744;
    --marino-boton-hover: #26375d;
    --dorado: #c9a96e;
    --tinta: #1a2744;
    --texto: #334155;
    --gris: #6b7280;
    --gris-claro: #9aa3b2;
    --gris-muy-claro: #b6bcc6;
    --borde: #d6dbe3;
    --rojo: #b42318;
    --serif: "Playfair Display", Georgia, "Times New Roman", serif;
    --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    font-family: var(--sans);
    color: var(--texto);
    background: linear-gradient(160deg, var(--marino) 0%, var(--marino-negro) 100%) fixed;
    -webkit-font-smoothing: antialiased;
    transition: opacity 0.35s ease;
}

/* Salida suave al iniciar sesion */
body.saliendo {
    opacity: 0;
}

.login {
    display: flex;
    min-height: 100vh;
    min-height: 100dvh;
}

/* ---------- Mitad izquierda: balanza 3D ---------- */

.hero {
    display: none;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 50% 38%, rgba(30, 52, 92, 0.55) 0%, rgba(10, 22, 40, 0) 60%),
        linear-gradient(180deg, var(--marino) 0%, var(--marino-negro) 100%);
}

.hero-canvas {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1.4s ease;
}

.hero-canvas.lista {
    opacity: 1;
}

.hero-canvas canvas {
    display: block;
}

/* Panel oscuro, sin efectos de vidrio: solo legibilidad sobre la escena */
.hero-texto {
    position: absolute;
    left: 50%;
    bottom: 7%;
    transform: translateX(-50%);
    padding: 1.9rem 3.25rem 1.7rem;
    border-radius: 12px;
    text-align: center;
    white-space: nowrap;
    pointer-events: none;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(201, 169, 110, 0.22);
    animation: aparecer 1.2s ease-out 0.3s both;
}

.hero-marca {
    margin: 0;
    font-family: var(--serif);
    font-weight: 400;
    font-size: clamp(1.9rem, 2.7vw, 2.9rem);
    letter-spacing: 0.06em;
    color: #ffffff;
}

.hero-sas {
    margin: 0.35rem 0 0;
    font-family: var(--serif);
    font-weight: 400;
    font-size: clamp(0.85rem, 1vw, 1.05rem);
    letter-spacing: 0.35em;
    padding-left: 0.35em; /* compensa el espaciado final para centrar */
    color: rgba(255, 255, 255, 0.72);
}

.hero-linea {
    width: 4rem;
    height: 1px;
    margin: 1.1rem auto 1rem;
    background: var(--dorado);
    opacity: 0.7;
}

.hero-sub {
    margin: 0;
    font-family: var(--sans);
    font-weight: 300;
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    padding-left: 0.08em;
    color: #b8c0cc;
}

/* ---------- Mitad derecha: formulario ---------- */

.panel {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.card {
    width: 100%;
    max-width: 380px;
    padding: 2.25rem 2rem 1.75rem;
    border-radius: 10px;
    background: #ffffff;
    box-shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.65);
    animation: entrar 0.3s ease-out both;
}

.marca-movil {
    margin: 0 0 1.75rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(201, 169, 110, 0.45);
    font-family: var(--serif);
    font-size: 1.05rem;
    letter-spacing: 0.04em;
    color: var(--tinta);
}

@media (min-width: 1024px) {
    .hero {
        display: block;
        flex: 0 0 60%;
    }

    .panel {
        flex: 0 0 40%;
        background: #ffffff;
        padding: 3rem;
    }

    .card {
        padding: 0;
        border-radius: 0;
        box-shadow: none;
    }

    .marca-movil {
        display: none;
    }
}

h1 {
    margin: 0;
    font-family: var(--serif);
    font-size: 2.5rem;
    font-weight: 500;
    line-height: 1.15;
    color: var(--tinta);
}

h1::after {
    content: "";
    display: block;
    width: 2.5rem;
    height: 1px;
    margin-top: 1rem;
    background: var(--dorado);
}

.subtitulo {
    margin: 1rem 0 2rem;
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--gris);
}

.aviso {
    margin: -0.75rem 0 1.25rem;
    padding: 0.6rem 0.85rem;
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--tinta);
    background: #f5f1e8;
    border: 1px solid #e6dcc6;
}

label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--texto);
}

.campo {
    position: relative;
    margin-bottom: 1.15rem;
}

.campo .icono {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    width: 1.05rem;
    height: 1.05rem;
    transform: translateY(-50%);
    color: var(--gris-claro);
    pointer-events: none;
}

.campo input {
    width: 100%;
    height: 2.9rem;
    padding: 0 2.75rem 0 2.6rem;
    border: 1px solid var(--borde);
    border-radius: 6px;
    background: #ffffff;
    font: inherit;
    font-size: 0.95rem;
    color: var(--tinta);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.campo input:hover {
    border-color: #c3cad5;
}

.campo input:focus {
    outline: none;
    border-color: var(--tinta);
    box-shadow: 0 0 0 3px rgba(26, 39, 68, 0.08);
}

.campo.invalido input {
    border-color: #d98b84;
}

.ojo {
    position: absolute;
    right: 0.4rem;
    top: 50%;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.1rem;
    height: 2.1rem;
    padding: 0;
    border: 0;
    border-radius: 4px;
    background: transparent;
    color: var(--gris-claro);
    cursor: pointer;
}

.ojo:hover,
.ojo:focus-visible {
    color: var(--tinta);
    outline: none;
}

.ojo:focus-visible {
    box-shadow: 0 0 0 2px rgba(26, 39, 68, 0.25);
}

.ojo svg {
    width: 1.1rem;
    height: 1.1rem;
}

.ojo .ojo-cerrado,
.ojo[aria-pressed="true"] .ojo-abierto {
    display: none;
}

.ojo[aria-pressed="true"] .ojo-cerrado {
    display: block;
}

.recordar {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    margin: 0 0 0.9rem;
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--gris);
    cursor: pointer;
}

.recordar input {
    width: 1rem;
    height: 1rem;
    margin: 0;
    accent-color: var(--marino-boton);
}

.recordar small {
    color: var(--gris-muy-claro);
}

.error {
    min-height: 1.3rem;
    margin: 0 0 0.6rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--rojo);
}

.boton {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    width: 100%;
    height: 3rem;
    border: 0;
    border-radius: 6px;
    background: var(--marino-boton);
    font: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: #ffffff;
    cursor: pointer;
    transition: background-color 0.15s;
}

.boton:hover {
    background: var(--marino-boton-hover);
}

.boton:focus-visible {
    outline: 2px solid var(--dorado);
    outline-offset: 2px;
}

.boton[disabled] {
    cursor: progress;
    background: var(--marino-boton-hover);
}

.spinner {
    display: none;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: girar 0.7s linear infinite;
}

.boton.cargando .spinner {
    display: inline-block;
}

.pie {
    margin: 2.5rem 0 0;
    text-align: center;
    font-size: 0.75rem;
    color: var(--gris-muy-claro);
}

/* ---------- Animaciones ---------- */

@keyframes entrar {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

@keyframes aparecer {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Sacudida estilo codigo incorrecto en iOS: rapida y amortiguada */
@keyframes sacudir {
    0%, 100% { transform: translateX(0); }
    15% { transform: translateX(-10px); }
    30% { transform: translateX(8px); }
    45% { transform: translateX(-6px); }
    60% { transform: translateX(4px); }
    75% { transform: translateX(-2px); }
}

.card.sacudir {
    animation: sacudir 0.45s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes girar {
    to {
        transform: rotate(360deg);
    }
}

@media (prefers-reduced-motion: reduce) {
    .card,
    .card.sacudir,
    .hero-texto {
        animation: none;
    }

    body,
    .hero-canvas {
        transition: none;
    }
}