body {
            font-family: 'Inter', sans-serif;
            background-color: #f8f9fa; /* Light background */
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }
        .card {
            max-width: 600px;
            width: 100%;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            background: linear-gradient(135deg, #ffffff, #f0f4f8);
        }
        .card-header {
            background-color: #004767;
            color: white;
            font-weight: 600;
            padding: 20px;
            text-align: center;
            border-bottom: none;
            border-top-left-radius: 15px;
            border-top-right-radius: 15px;
        }
        .card-body {
            padding: 30px;
            text-align: center;
        }
        .loading-spinner {
            color: #007bff;
            font-size: 2.5rem;
            animation: spin 1s linear infinite;
        }
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        .status-message {
            font-size: 1.2rem;
            color: #343a40;
            margin-top: 20px;
        }
        .logo-placeholder {
            width: 100px;
            height: 100px;
            background-color: #e9ecef;
            border-radius: 50%;
            margin: 0 auto 20px;
            display: flex;
            justify-content: center;
            align-items: center;
            color: #6c757d;
            font-size: 2.5rem;
            font-weight: 700;
        }