.error {
    color: #e74c3c;
    font-size: 12px;
    margin-top: 5px;
    font-weight: 500;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}
.error.show {
    opacity: 1;
    transform: translateY(0);
}
.input-error {
    border-color: #e74c3c !important;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1) !important;
}
.success-message {
    background: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 20px;
    border: 1px solid #c3e6cb;
    display: none;
    text-align: center;
    font-weight: 600;
}
.char-counter {
    text-align: right;
    font-size: 12px;
    color: #6b7280;
    margin-top: 5px;
    font-weight: 500;
}
.char-counter.warning {
    color: #f39c12;
}
.char-counter.danger {
    color: #e74c3c;
}
/*BOTÃO WHATSAPP FLUTUANTE*/

.btn-whatsapp-mobile {
    transform: scale(0);
    /* some encolhendo */
}
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 20px;
    right: 20px;
    background-color: #25d366;
    color: #fff;
    border-radius: 50%;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s;
}
.whatsapp-float:hover {
    transform: scale(1.1);
}
.whatsapp-icon {
    width: 35px;
    height: 35px;
}
@media (max-width: 768px) {
    .btn-whatsapp-desktop {
        transform: scale(0);
        /* some encolhendo */
    }
    .btn-whatsapp-mobile {
        transform: scale(1);
    }
}