/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .show-row {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .show-actions {
        flex-direction: column;
        align-items: center;
    }

    .form-container {
        padding: 30px;
        margin: 30px;
    }

    .show-body {
        padding: 30px;
    }

    .show-header {
        padding: 30px;
    }

    .show-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding: 80px 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .container {
        padding: 0 15px;
    }

    .navbar-nav .nav-link {
        padding: 10px 15px;
    }

    .form-container {
        padding: 20px;
        margin: 20px;
    }
}

/* Responsive for Receipt Page */
@media (max-width: 768px) {
    .receipt-card {
        padding: 30px;
        margin: 20px;
    }

    .receipt-title {
        font-size: 2.5rem;
    }

    .camera-container {
        margin: 30px 0;
    }

    .viewfinder {
        top: 15px;
        left: 15px;
        right: 15px;
        bottom: 15px;
    }
}

@media (max-width: 480px) {
    .profile-card {
        padding: 30px 20px;
    }

    .profile-title {
        font-size: 2rem;
    }

    .profile-list li {
        font-size: 1rem;
    }

    .avatar-placeholder {
        width: 100px;
        height: 100px;
    }

    .avatar-placeholder i {
        font-size: 3rem;
    }
}