html, body {
    margin: 0;
    padding: 0;
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: #0d0d2b;
    color: #ffffff;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Main content grows to fill space */
main {
    flex: 1;
    padding: 20px;
}