ing: grayscale;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            margin: 0;
            padding: 0;
            background: var(--background-color);
            color: var(--text-color);
        }

        .header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
            background-color: rgba(255, 255, 255, 0.