/* Spinner para botões de formulário durante submissão */
.submit-btn-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #ccc;
    border-top-color: #333;
    border-radius: 50%;
    animation: spinner-rotate 0.8s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

@keyframes spinner-rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Estado do botão durante processamento */
.submit-btn.processing,
button[type="submit"].processing {
    position: relative;
    pointer-events: none;
    opacity: 0.8;
}

/* Garantir que o texto fique alinhado com o spinner */
.submit-btn.processing .button-text,
button[type="submit"].processing .button-text {
    vertical-align: middle;
}