/* Pantalla completa */
.pantalla-login {
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #ff9a9e, #fad0c4); /* degradado diferente y más cálido */
    font-family: 'Arial', sans-serif;
    background-image: url('https://wallpapers.com/images/hd/pink-sky-1920-x-1080-wallpaper-zotqvm6dxs54vm85.jpg');
    background-size: cover;
}

/* Contenedor interno del login */
.contenedor-login {
    width: 360px;
    padding: 45px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.25);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
}

/* Título */
.contenedor-login h2 {
    color: #222;
    margin: 0;
    font-size: 2rem;
    text-align: center;
}

/* Formulario */
.formulario-login {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* Inputs */
.input-usuario,
.input-contrasena {
    padding: 14px 18px;
    border-radius: 12px;
    border: 1px solid rgba(0,0,0,0.1);
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
    background-color: rgba(255,255,255,0.25);
    color: #333;
}

.input-usuario:focus,
.input-contrasena:focus {
    border-color: #ff6f91;
    box-shadow: 0 0 8px rgba(255,111,145,0.5);
}

/* Botones */
.boton-ingresar,
.boton-volver {
    padding: 14px;
    border-radius: 12px;
    border: none;
    background: linear-gradient(135deg, #ff6f91, #ff9671);
    color: #fff;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.boton-ingresar:hover,
.boton-volver:hover {
    background: linear-gradient(135deg, #ff9671, #ff6f91);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}