:root {
    --primary-color: oklch(65% 0.25 260);
    --background-color: oklch(20% 0.05 260);
    --text-color: oklch(95% 0.05 260);
    --card-background: oklch(30% 0.05 260);
    --shadow-color: oklch(20% 0.05 260 / 50%);
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: sans-serif;
    margin: 0;
    background-image: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"%3E%3Cfilter id="n"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.75" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23n)" opacity="0.1"/%3E%3C/svg%3E');
}

header {
    background-color: var(--primary-color);
    padding: 1rem;
    text-align: center;
}

main {
    padding: 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

footer {
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
}