/* Fondo centrado y limpio */
body {
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Contenedor tipo "glass" */
.login-container {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px); /* Para Safari */
    padding: 30px;
    border-radius: 12px;
    width: 450px;
    max-width: 90%;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

/* Logo */
.login-container img {
    width: 80px;
    margin-bottom: 20px;
}

/* Título */
.login-container h2 {
    margin-bottom: 35px;
    color: #333;
}

/* Campos de entrada */
.login-container .form-control {
    background-color: rgba(255, 255, 255, 0.85);
    border: 1px solid #ccc;
    padding: 12px;
    font-size: 1rem;
    border-radius: 6px;
    margin-bottom: 15px;
    transition: box-shadow 0.3s ease;
}

.login-container .form-control:focus {
    outline: none;
    box-shadow: 0 0 8px rgba(80, 139, 252, 0.5);
    border-color: #508bfc;
}

/* Botón de login */
.login-container .btn-primary {
    background-color: #508bfc;
    border: none;
    padding: 12px;
    font-size: 1rem;
    border-radius: 6px;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.login-container .btn-primary:hover {
    background-color: #7c8f8b;
    transform: scale(1.02);
}

/* Mensaje de error */
.login-container .alert {
    margin-top: 10px;
    font-size: 0.95rem;
    padding: 10px;
}

/* Responsive para móviles */
@media (max-width: 400px) {
    .login-container {
        padding: 20px;
        width: 100%;
    }
}