#whatsapp-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border-radius: 50px;
    padding: 15px;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: pulse 2s infinite;
    display: flex;
    align-items: center;
    white-space: nowrap;
    overflow: hidden;
    max-width: 60px; /* Başlangıçta sadece icon görünür */
}

#whatsapp-button:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.6);
    max-width: 280px; /* Hover'da genişler */
    padding-right: 20px;
}

#whatsapp-button.active {
    opacity: 1;
    visibility: visible;
}

#whatsapp-button .icon {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white"><path d="M17.472 14.382c-.297-.149-1.758-.867-2.03-.967-.273-.099-.471-.148-.67.15-.197.297-.767.966-.94 1.164-.173.199-.347.223-.644.075-.297-.15-1.255-.463-2.39-1.475-.883-.788-1.48-1.761-1.653-2.059-.173-.297-.018-.458.13-.606.134-.133.298-.347.446-.52.149-.174.198-.298.298-.497.099-.198.05-.371-.025-.520-.075-.149-.669-1.612-.916-2.207-.242-.579-.487-.5-.669-.51-.173-.008-.371-.01-.57-.01-.198 0-.52.074-.792.372-.272.297-1.04 1.016-1.04 2.479 0 1.462 1.065 2.875 1.213 3.074.149.198 2.096 3.2 5.077 4.487.709.306 1.262.489 1.694.625.712.227 1.36.195 1.871.118.571-.085 1.758-.719 2.006-1.413.248-.694.248-1.289.173-1.413-.074-.124-.272-.198-.57-.347m-5.421 7.403h-.004a9.87 9.87 0 01-5.031-1.378l-.361-.214-3.741.982.998-3.648-.235-.374a9.86 9.86 0 01-1.51-5.26c.001-5.45 4.436-9.884 9.888-9.884 2.64 0 5.122 1.03 6.988 2.898a9.825 9.825 0 012.893 6.994c-.003 5.45-4.437 9.884-9.885 9.884m8.413-18.297A11.815 11.815 0 0012.05 0C5.495 0 .16 5.335.157 11.892c0 2.096.547 4.142 1.588 5.945L.057 24l6.305-1.654a11.882 11.882 0 005.683 1.448h.005c6.554 0 11.89-5.335 11.893-11.893A11.821 11.821 0 0020.893 3.386"/></svg>') center/contain no-repeat;
}

#whatsapp-button .text {
    margin-left: 12px;
    color: white;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    font-weight: 500;
    opacity: 0;
    transform: translateX(10px);
    transition: all 0.3s ease 0.1s;
}

#whatsapp-button:hover .text {
    opacity: 1;
    transform: translateX(0);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* Mobil uyumluluk */
@media (max-width: 768px) {
    #whatsapp-button {
        bottom: 15px;
        right: 15px;
        padding: 12px;
        max-width: 54px;
    }
    
    #whatsapp-button:hover {
        max-width: 240px;
        padding-right: 16px;
    }
    
    #whatsapp-button .icon {
        width: 26px;
        height: 26px;
    }
    
    #whatsapp-button .text {
        font-size: 13px;
        margin-left: 10px;
    }
}

/* Çok küçük ekranlar için */
@media (max-width: 480px) {
    #whatsapp-button:hover {
        max-width: 200px;
    }
    
    #whatsapp-button .text {
        font-size: 12px;
    }
}