/* WhatsApp Button Styles - FStech */

.whatsapp-button {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-button:hover {
    background: #128c7e;
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
}

.whatsapp-button svg {
    width: 32px;
    height: 32px;
    fill: white;
}

.whatsapp-button .whatsapp-icon {
    font-size: 32px;
    color: white;
    line-height: 1;
}

/* Tooltip */
.whatsapp-button::before {
    content: 'Fale conosco no WhatsApp';
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
}

.whatsapp-button::after {
    content: '';
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid rgba(0, 0, 0, 0.8);
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.whatsapp-button:hover::before,
.whatsapp-button:hover::after {
    opacity: 1;
    visibility: visible;
}

/* Animation */
@keyframes pulse-whatsapp {
    0% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7);
    }
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
}

/* Mobile responsivo */
@media (max-width: 768px) {
    .whatsapp-button {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }

    .whatsapp-button svg,
    .whatsapp-button .whatsapp-icon {
        font-size: 28px;
        width: 28px;
        height: 28px;
    }

    .whatsapp-button::before {
        display: none;
    }

    .whatsapp-button::after {
        display: none;
    }
}

/* Estado de carregamento */
.whatsapp-button.loading {
    background: #ccc;
    cursor: not-allowed;
    animation: none;
}

.whatsapp-button.loading:hover {
    transform: none;
    background: #ccc;
}