* { box-sizing: border-box; }
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
.page-bg {
    min-height: 100vh;
    min-height: 100dvh;
    background: linear-gradient(160deg, #f8faf9 0%, #f0f4f2 100%);
}
.dark .page-bg {
    background: linear-gradient(160deg, #1a1a1a 0%, #0f0f0f 100%);
}