/* Định nghĩa keyframes rõ ràng */
@keyframes fcb-pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

@keyframes fcb-shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

@keyframes fcb-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes fcb-rotate {
    0% { transform: rotate(0deg); }
    25% { transform: rotate(10deg); }
    50% { transform: rotate(0deg); }
    75% { transform: rotate(-10deg); }
    100% { transform: rotate(0deg); }
}

/* Hiệu ứng cơ bản - tất cả đều dùng hiệu ứng rotate giống WhatsApp */
.fcb-animated .fcb-phone {
    animation: fcb-rotate 2s ease-in-out infinite;
}

.fcb-animated .fcb-zalo {
    animation: fcb-rotate 2s ease-in-out infinite;
    animation-delay: 0.3s;
}

.fcb-animated .fcb-facebook {
    animation: fcb-rotate 2s ease-in-out infinite;
    animation-delay: 0.6s;
}

.fcb-animated .fcb-whatsapp {
    animation: fcb-rotate 2s ease-in-out infinite;
    animation-delay: 0.9s;
}