body {
            font-family: 'Inter', sans-serif;
            background-color: #f3f4f6; /* bg-gray-100 */
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding: 1rem; /* p-4 */
        }
        /* Custom styles for messages */
        .message-box {
            padding: 0.75rem; /* p-3 */
            border-radius: 0.5rem; /* rounded-lg */
            text-align: center;
            margin-bottom: 1rem; /* mb-4 */
        }
        .message-box.error {
            background-color: #fee2e2; /* bg-red-100 */
            color: #ef4444; /* text-red-700 */
        }
        .message-box.success {
            background-color: #d1fae5; /* bg-green-100 */
            color: #10b981; /* text-green-700 */
        }
        /* Sticky navbar adjustment */
        nav {
            position: sticky;
            top: 0;
            z-index: 50;
        }
        /* Sticky order summary in menu view */
        .order-summary-sticky {
            position: sticky;
            top: 6rem; /* Adjust based on navbar height */
        }