/* Animations */
@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes modalSlideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes stepFadeIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes expandDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Apply animations */
.group-modal-container {
    animation: modalSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (max-width: 640px) {
    .group-modal-container {
        animation: modalSlideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
}

.form-step {
    animation: stepFadeIn 0.3s ease-out;
}

.expandable-content {
    animation: expandDown 0.2s ease-out;
}

.button-spinner {
    animation: spin 1s linear infinite;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .group-modal-container,
    .expandable-content,
    .submit-button,
    .field-input,
    .field-select,
    .field-textarea,
    .form-step {
        animation: none;
        transition: none;
    }
}