/* Pantalla completa */
.pantalla-login2 {
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #a1c4fd, #c2e9fb); /* tonos azules claros */
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-image: url('https://images.unsplash.com/photo-1506744038136-46273834b3fb?fm=jpg&q=60&w=3000&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxzZWFyY2h8Mnx8Y2llbG8lMjBhc3Ryb25vbWV8ZW58MHx8MHx8fDA%3D');
    background-size: cover;
}

/* Contenedor interno del login */
.contenedor-login2 {
    width: 380px;
    padding: 50px 40px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(15px);
    border-radius: 25px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

/* Título */
.contenedor-login2 h2 {
    color: #0d1b2a;
    margin: 0;
    font-size: 2.2rem;
    text-align: center;
    letter-spacing: 1px;
}

/* Formulario */
.formulario-login2 {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Inputs */
.input-usuario2,
.input-contrasena2 {
    padding: 15px 20px;
    border-radius: 15px;
    border: 1px solid rgba(13,27,42,0.2);
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
    background-color: rgba(255,255,255,0.3);
    color: #0d1b2a;
}

.input-usuario2:focus,
.input-contrasena2:focus {
    border-color: #3a86ff;
    box-shadow: 0 0 10px rgba(58,134,255,0.5);
}

/* Botones */
.boton-ingresar2,
.boton-volver2 {
    padding: 15px;
    border-radius: 15px;
    border: none;
    background: linear-gradient(135deg, #3a86ff, #00bfff);
    color: #fff;
    font-weight: bold;
    font-size: 1.05rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.boton-ingresar2:hover,
.boton-volver2:hover {
    background: linear-gradient(135deg, #00bfff, #3a86ff);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.25);
}