.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

/* Success state */
.success-message {
    color: #059669;
    font-size: 0.875rem;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background-color: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: 0.5rem;
    animation: slideDown 0.3s ease-out;
}

/* Loading state */
.btn-loading {
    position: relative;
    color: transparent;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}