/* BOTÃO PADRÃO */
.form-submit {
    width: 100%;
    padding: 14px;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

/* ESTADO DESABILITADO */
.form-submit:disabled {
    background: #2a2a2a;
    color: #777;
    cursor: not-allowed;
    opacity: 0.6;
    filter: grayscale(0.4);
    box-shadow: none;
}

/* ESTADO ATIVO */
.form-submit:not(:disabled) {
    background: linear-gradient(135deg, #6C5CE7, #4A3AFF);
    color: #fff;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(76, 58, 255, 0.3);
}

/* HOVER (SÓ QUANDO ATIVO) */
.form-submit:not(:disabled):hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(76, 58, 255, 0.4);
}

/* CLIQUE */
.form-submit:not(:disabled):active {
    transform: scale(0.98);
}

/* LOADING */
.form-submit.loading {
    pointer-events: none;
    color: transparent;
}

/* SPINNER */
.form-submit.loading::after {
    content: "";
    width: 18px;
    height: 18px;
    border: 2px solid #fff;
    border-top: 2px solid transparent;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}