:root {
            --border-width: 2.50rem; /* Defines the thickness of the black border */
        }

        body, html {
            height: 100%;
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: #000; /* Black background to create the border effect */
        }

        .main-container {
            width: 100vw;
            height: 100vh;
            padding: var(--border-width);
            box-sizing: border-box;
        }

        .content-wrapper {
            width: 100%;
            height: 100%;
            background-color: #fff;
            overflow: hidden; /* Ensures child elements respect the container's boundaries */
        }
        
        .form-section {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 2rem;
        }
        
        .image-section {
            /* A beautiful, high-quality image representing the theme */
            background-image: url('../img/fotoLogIn.png'); /* Replace with your image path */
            background-size: cover;
            background-position: center;
            position: relative;
            display: flex;
            align-items: flex-end; /* Aligns the text overlay to the bottom */
        }

        .image-overlay {
            width: 100%;
            background: linear-gradient(to top, rgba(0,0,0,0.75), transparent);
            padding: 4rem 2rem 2rem 2rem;
            color: #fff;
            text-align: center;
        }

        /* Enhances focus state for better accessibility and UX */
        .form-control:focus {
            border-color: #040404;
            box-shadow: 0 0 0 0.25rem rgba(86, 88, 91, 0.25);
        }

        /* Larger padding on bigger screens for better visual spacing */
        @media (min-width: 768px) {
            .form-section {
                padding: 4rem;
            }
        }