/*
 * Derechos reservados: CORPOSI S.A DE C.V
 * ALOJAMIENTO: www.elservidordeaplicaciones.com
 * Ventas: david.arriaga@corposi.com
 */
/* Pantalla de acceso del área de administración.
   Colores de la marca: azul #173a8c y rojo #e00000 (los mismos del sitio público). */

:root {
    --azul: #173a8c;
    --azul-oscuro: #0f2a6b;
    --rojo: #e00000;
    --texto: #1c2434;
    --suave: #5b6578;
    --borde: #cfd6e4;
    --fondo-campo: #f7f9fd;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body.login-fondo {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
    color: var(--texto);
    background:
        linear-gradient(160deg, rgba(10, 28, 72, .78) 0%, rgba(10, 28, 72, .55) 55%, rgba(120, 0, 20, .45) 100%),
        url("../../laboratorio-bg.jpg") center / cover no-repeat fixed;
}

.login-tarjeta {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 18px;
    padding: 34px 34px 28px;
    border-top: 6px solid var(--rojo);
    box-shadow: 0 24px 60px rgba(0, 0, 0, .38), 0 4px 12px rgba(0, 0, 0, .18);
}

.login-logo {
    display: block;
    width: 170px;
    max-width: 70%;
    height: auto;
    margin: 0 auto 18px;
}

.login-tarjeta h1 {
    font-size: 1.45rem;
    font-weight: 700;
    text-align: center;
    color: var(--azul);
}

.login-sub {
    text-align: center;
    font-size: .92rem;
    color: var(--suave);
    margin: 4px 0 22px;
}

.login-error {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    background: #fdecec;
    border: 1px solid #f3b4b4;
    color: #8a1111;
    border-radius: 10px;
    padding: 11px 13px;
    font-size: .92rem;
    margin-bottom: 18px;
}

.login-error svg { flex: 0 0 20px; margin-top: 1px; }

.login-tarjeta label {
    display: block;
    font-size: .85rem;
    font-weight: 600;
    color: var(--texto);
    margin: 0 0 6px;
}

.login-tarjeta .campo {
    position: relative;
    margin-bottom: 16px;
}

.login-tarjeta .campo > svg.icono {
    position: absolute;
    left: 13px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--suave);
    pointer-events: none;
}

.login-tarjeta .campo input {
    width: 100%;
    height: 48px;
    padding: 0 14px 0 44px;
    font: inherit;
    font-size: 1rem;
    color: var(--texto);
    background: var(--fondo-campo);
    border: 1px solid var(--borde);
    border-radius: 10px;
    outline: none;
    transition: border-color .15s, box-shadow .15s, background .15s;
}

.login-tarjeta .campo input:focus {
    background: #fff;
    border-color: var(--azul);
    box-shadow: 0 0 0 3px rgba(23, 58, 140, .18);
}

.login-tarjeta .campo.con-boton input { padding-right: 48px; }

.login-tarjeta .ver-clave {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--suave);
    cursor: pointer;
}

.login-tarjeta .ver-clave:hover { background: #eaeef8; color: var(--azul); }
.login-tarjeta .ver-clave:focus-visible { outline: 2px solid var(--azul); }

/* captcha: mismo aspecto que los campos */
.login-tarjeta .captcha-campo { margin: 4px 0 18px; }
.login-tarjeta .captcha-fila { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.login-tarjeta .captcha-fila img { flex: 1 1 auto; min-width: 0; max-width: 190px; height: auto; border: 1px solid var(--borde); border-radius: 10px; background: #fff; }
.login-tarjeta .captcha-recargar { flex: 0 0 48px; width: 48px; height: 48px; border: 1px solid var(--borde); border-radius: 10px; background: var(--fondo-campo); color: var(--azul); font-size: 22px; line-height: 1; cursor: pointer; }
.login-tarjeta .captcha-recargar:hover { background: #eaeef8; }
.login-tarjeta .captcha-texto { width: 100%; height: 48px; padding: 0 14px; font: inherit; font-size: 1.1rem; letter-spacing: 5px; text-align: center; text-transform: uppercase; color: var(--texto); background: var(--fondo-campo); border: 1px solid var(--borde); border-radius: 10px; outline: none; }
.login-tarjeta .captcha-texto::placeholder { letter-spacing: 0; text-transform: none; font-size: .95rem; }
.login-tarjeta .captcha-texto:focus { background: #fff; border-color: var(--azul); box-shadow: 0 0 0 3px rgba(23, 58, 140, .18); }

.login-tarjeta .btn-entrar {
    width: 100%;
    height: 50px;
    border: 0;
    border-radius: 10px;
    font: inherit;
    font-size: 1.02rem;
    font-weight: 700;
    letter-spacing: .3px;
    color: #fff;
    background: linear-gradient(180deg, #1f48a8, var(--azul));
    box-shadow: 0 6px 16px rgba(23, 58, 140, .35);
    cursor: pointer;
    transition: transform .08s, box-shadow .15s, background .15s;
}

.login-tarjeta .btn-entrar:hover { background: linear-gradient(180deg, var(--azul), var(--azul-oscuro)); box-shadow: 0 8px 20px rgba(23, 58, 140, .45); }
.login-tarjeta .btn-entrar:active { transform: translateY(1px); }
.login-tarjeta .btn-entrar:focus-visible { outline: 3px solid rgba(23, 58, 140, .45); outline-offset: 2px; }

.login-volver {
    display: block;
    text-align: center;
    margin-top: 20px;
    font-size: .9rem;
    color: var(--azul);
    text-decoration: none;
}

.login-volver:hover { text-decoration: underline; }

@media (max-width: 440px) {
    .login-tarjeta { padding: 26px 20px 22px; border-radius: 14px; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; }
}