/* =====================================================
   CONFIGURACIÓN GENERAL
===================================================== */

*,
*::before,
*::after{

    box-sizing: border-box;

}

html,
body{

    width: 100%;
    min-height: 100%;
    margin: 0;

}

body{

    min-height: 100vh;

    color: #172033;
    background: #edf3f6;

    font-family:
        Inter,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

}

button,
input{

    font: inherit;

}

[hidden]{

    display: none !important;

}


/* =====================================================
   DISTRIBUCIÓN PRINCIPAL
===================================================== */

.aplicacion-login{

    display: flex;

    width: 100%;
    min-height: 100vh;

}

.contenido-login{

    position: relative;
    isolation: isolate;

    display: grid;
    place-items: center;

    flex: 1;
    min-width: 0;
    min-height: 100vh;

    padding: 48px;

    background:
        radial-gradient(
            circle at 82% 16%,
            rgba(var(--bio-azul-rgb), 0.18)
            transparent 30%
        ),
        radial-gradient(
            circle at 18% 84%,
            rgba(59, 130, 246, 0.12),
            transparent 30%
        ),
        linear-gradient(
            145deg,
            #f8fafc 0%,
            #eaf1f5 100%
        );

    overflow: auto;

}

/* Cuadrícula decorativa del fondo */
.contenido-login::before{

    content: "";

    position: absolute;
    inset: 0;
    z-index: -1;

    background-image:
        linear-gradient(
            rgba(15, 23, 42, 0.035) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(15, 23, 42, 0.035) 1px,
            transparent 1px
        );

    background-size: 34px 34px;

    mask-image:
        linear-gradient(
            to bottom,
            transparent,
            black 22%,
            black 78%,
            transparent
        );

}


/* =====================================================
   VISTAS
===================================================== */

.vista-login,
.vista-bienvenida,
.vista-recuperacion,
.vista-nueva-contrasena{

    display: grid;
    place-items: center;

    width: 100%;

}


/* =====================================================
   TARJETA DEL LOGIN
===================================================== */

.tarjeta-login{

    width: min(430px, 100%);

    padding: 38px;

    background:
        rgba(255, 255, 255, 0.9);

    border:
        1px solid rgba(255, 255, 255, 0.85);

    border-radius: 22px;

    box-shadow:
        0 24px 65px rgba(15, 23, 42, 0.14),
        0 2px 8px rgba(15, 23, 42, 0.05);

    backdrop-filter: blur(14px);

}


/*
    Logo de Ingeniería Vital mostrado
    de forma discreta al final del login.
*/
.logo-empresa-login{

    display: block;

    width: min(176px, 55%);
    height: auto;

    margin: 24px auto 0;

    object-fit: contain;

}


/* =====================================================
   MARCA DEL LOGIN
===================================================== */

.marca-login{

    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;

}

.logo-login{

    width: 54px;
    height: 54px;

    object-fit: contain;

}

.marca-login h1{

    margin: 0;

    color: #0f172a;

    font-size: 2rem;
    letter-spacing: -0.04em;

}

.subtitulo-login{

    margin: 12px 0 30px;

    color: #64748b;

    text-align: center;
    line-height: 1.5;

}


/* =====================================================
   FORMULARIO
===================================================== */

#formulario-login{

    display: flex;
    flex-direction: column;
    gap: 20px;

}

.campo-login{

    display: flex;
    flex-direction: column;
    gap: 8px;

}

.campo-login label{

    color: #334155;

    font-size: 0.88rem;
    font-weight: 650;

}

.campo-login input{

    width: 100%;
    min-height: 48px;

    padding: 11px 14px;

    color: #0f172a;
    background: #ffffff;

    border: 1px solid #cbd5e1;
    border-radius: 10px;

    outline: none;

    transition:
        border-color 160ms ease,
        box-shadow 160ms ease,
        background-color 160ms ease;

}

.campo-login input:hover{

    border-color: #94a3b8;

}

.campo-login input:focus{

    border-color:
        var(--bio-azul-principal);

    box-shadow:
        0 0 0 4px
        rgba(var(--bio-azul-rgb), 0.15);

}

.btn-principal-login{

    min-height: 49px;
    margin-top: 4px;

    color: #ffffff;
    background:
        linear-gradient(
            135deg,
            var(--bio-azul-oscuro),
            var(--bio-azul-principal)
        );

    border: 0;
    border-radius: 10px;

    font-weight: 700;
    letter-spacing: 0.01em;

    cursor: pointer;

    box-shadow:
        0 10px 22px
        rgba(var(--bio-azul-rgb), 0.22);

    transition:
        transform 150ms ease,
        box-shadow 150ms ease,
        opacity 150ms ease;

}

.btn-principal-login:hover{

    transform: translateY(-1px);

    box-shadow:
        0 14px 25px
        rgba(var(--bio-azul-rgb), 0.28);

}

.btn-principal-login:focus-visible{

    outline: 3px solid rgba(20, 184, 166, 0.32);
    outline-offset: 3px;

}

.btn-principal-login:disabled{

    opacity: 0.65;
    cursor: wait;
    transform: none;

}


/* =====================================================
   MENSAJES DEL LOGIN
===================================================== */

#mensaje-login,
.mensaje-formulario{

    margin: 0;
    padding: 11px 13px;

    border-radius: 9px;

    font-size: 0.87rem;
    line-height: 1.45;

}

#mensaje-login.mensaje-error,
.mensaje-formulario.mensaje-error{

    color: #991b1b;
    background: #fef2f2;
    border: 1px solid #fecaca;

}

#mensaje-login.mensaje-informacion,
.mensaje-formulario.mensaje-informacion{

    color: #155e75;
    background: #ecfeff;
    border: 1px solid #a5f3fc;

}


/* =====================================================
   VISTA DE BIENVENIDA
===================================================== */

.tarjeta-bienvenida{

    width: min(720px, 100%);

    padding: 44px;

    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.85);
    border-radius: 22px;

    box-shadow:
        0 24px 65px rgba(15, 23, 42, 0.14);

    backdrop-filter: blur(14px);

}

.etiqueta-bienvenida{

    display: inline-flex;

    margin: 0 0 12px;
    padding: 6px 10px;

    color: var(--bio-azul-oscuro);

    background:
        rgba(var(--bio-azul-rgb), 0.12);

    border-radius: 999px;

    font-size: 0.78rem;
    font-weight: 750;
    text-transform: uppercase;
    letter-spacing: 0.08em;

}

.tarjeta-bienvenida h2{

    margin: 0 0 30px;

    color: #0f172a;

    font-size: clamp(1.8rem, 3vw, 2.6rem);
    letter-spacing: -0.04em;

}

.datos-sesion{

    display: grid;
    grid-template-columns:
        repeat(3, minmax(0, 1fr));
    gap: 14px;

    margin: 0;

}

.datos-sesion div{

    min-width: 0;
    padding: 18px;

    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;

}

.datos-sesion dt{

    margin-bottom: 7px;

    color: #64748b;

    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;

}

.datos-sesion dd{

    margin: 0;

    color: #0f172a;

    font-weight: 700;
    line-height: 1.4;

    overflow-wrap: anywhere;

}


/* =====================================================
   PANTALLAS MÁS PEQUEÑAS
===================================================== */

@media (max-width: 950px){

    .contenido-login{

        padding: 28px;

    }

    .datos-sesion{

        grid-template-columns: 1fr;

    }

}


/* =====================================================
   ENLACE PARA RECUPERAR LA CONTRASEÑA
===================================================== */

/*
    Se comporta como un botón para JavaScript,
    pero visualmente se muestra como un enlace.
*/
.btn-enlace-login{

    align-self: flex-end;

    padding: 0;

    color: var(--bio-azul-oscuro);
    background: transparent;
    border: none;

    font-size: 0.86rem;
    font-weight: 650;

    cursor: pointer;

}

/* Resalta el enlace cuando pasa el mouse */
.btn-enlace-login:hover{

    color: var(--bio-azul-principal);
    text-decoration: underline;

}

/* Permite identificarlo al navegar con teclado */
.btn-enlace-login:focus-visible{

    outline: 2px solid var(--bio-azul-principal);
    outline-offset: 4px;
    border-radius: 3px;

}

/* =====================================================
   BOTÓN SECUNDARIO DEL LOGIN
===================================================== */

/*
    Se utiliza para acciones como regresar o cancelar.
    Tiene menos peso visual que el botón principal.
*/
.btn-secundario-login{

    min-height: 46px;
    padding: 10px 16px;

    color: var(--bio-azul-oscuro);
    background: #ffffff;

    border:
        1px solid
        rgba(var(--bio-azul-rgb), 0.45);

    border-radius: 10px;

    font-weight: 700;

    cursor: pointer;

    transition:
        color 150ms ease,
        background-color 150ms ease,
        border-color 150ms ease;

}

/* Cambio visual al pasar el mouse */
.btn-secundario-login:hover{

    color: var(--bio-azul-principal);
    background: var(--bio-azul-suave);
    border-color: var(--bio-azul-principal);

}

/* Indicador para navegación con teclado */
.btn-secundario-login:focus-visible{

    outline:
        3px solid
        rgba(var(--bio-azul-rgb), 0.22);

    outline-offset: 3px;

}

/* =====================================================
   VISTAS DE RECUPERACIÓN
===================================================== */

/* Encabezado utilizado en las dos vistas */
.encabezado-recuperacion{

    margin-bottom: 28px;

}

.encabezado-recuperacion h2{

    margin: 0 0 10px;

    color: #0f172a;

    font-size: 1.7rem;
    letter-spacing: -0.03em;

}

.encabezado-recuperacion p{

    margin: 0;

    color: #64748b;

    line-height: 1.55;

}


/*
    Ambos formularios comparten distribución.
    Los controles quedan uno debajo del otro.
*/
#formulario-recuperacion,
#formulario-nueva-contrasena{

    display: flex;
    flex-direction: column;
    gap: 18px;

}