:root {
            --primary-color: #1a73e8;
            --text-color: #202124;
            --text-secondary: #5f6368;
        }

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

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

        .error-content {
            max-width: 500px;
        }

        .error-icon {
            font-size: 6rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }

        h1 {
            font-size: 3rem;
            font-weight: 300;
            margin-bottom: 1rem;
        }

        p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
        }

        .btn {
            padding: 0 24px;
            height: 48px;
            font-size: 1rem;
            font-weight: 500;
            border: none;
            border-radius: 24px;
            cursor: pointer;
            background: var(--primary-color);
            color: #fff;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            transition: background-color 0.2s;
        }

        .btn:hover {
            background: #1557b0;
        }