.main-container {
            max-width: 800px;
            margin: 0 auto;
            flex: 1;
        }
        .preview-img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        .loading-spinner {
            display: none;
        }
        .author-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            border: 3px solid var(--primary-blue);
        }
        .download-btn {
            min-width: 180px;
            transition: all 0.3s ease;
        }
        .download-btn:hover {
            transform: translateY(-2px);
        }
        .error-message {
            display: none;
        }
        .result-container {
            display: none;
        }
        .card {
            border: none;
            border-radius: 15px;
            box-shadow: 0 8px 16px rgba(13, 110, 253, 0.1);
        }
        .input-group {
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
        }
        .feature-card {
            transition: transform 0.3s ease;
            cursor: pointer;
        }
        .feature-card:hover {
            transform: translateY(-5px);
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary-blue);
            margin-bottom: 1rem;
        }
        footer {
            background-color: white;
            padding: 1rem 0;
            margin-top: 3rem;
            box-shadow: 0 -4px 12px rgba(13, 110, 253, 0.05);
        }
        .testimonial-img {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            margin: 0 auto 1rem;
            border: 3px solid var(--primary-blue);
            object-fit: cover;
        }
        .testimonial-card {
            background: white;
            border-radius: 15px;
            padding: 2rem;
            margin: 1rem;
            box-shadow: 0 4px 12px rgba(13, 110, 253, 0.1);
        }
        .carousel-control-prev,
        .carousel-control-next {
            width: 40px;
            height: 40px;
            background: var(--primary-blue);
            border-radius: 50%;
            top: 50%;
            transform: translateY(-50%);
            opacity: 0.8;
        }
        .carousel-control-prev {
            left: -20px;
        }
        .carousel-control-next {
            right: -20px;
        }
        .carousel-indicators {
            bottom: -40px;
        }
        .carousel-indicators button {
            background-color: var(--primary-blue) !important;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            margin: 0 5px;
        }