   * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: 'Segoe UI', sans-serif;
            background-color: var(--bg);
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            padding: 2rem;
            transition: var(--transition);
        }

        .container {
            max-width: 480px;
            wi