/* Container Utama Tombol */
.floating-whatsapp-wrapper {
    position: fixed;
    bottom: 30px; /* Jarak dari bawah layar */
    right: 30px; /* Jarak dari kanan layar */
    z-index: 9999; /* Pastikan selalu di atas */
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

/* Balon Teks "Butuh Bantuan?" di atas tombol */
.whatsapp-tooltip {
    background-color: white;
    color: #333;
    padding: 8px 15px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    position: relative;
    opacity: 0; /* Mulai sembunyi */
    transform: translateY(10px);
    transition: all 0.3s ease;
    pointer-events: none;
}

/* Tampilkan tooltip saat wrapper di-hover atau ketika class show-initial aktif */
.floating-whatsapp-wrapper:hover .whatsapp-tooltip,
.floating-whatsapp-wrapper .whatsapp-tooltip.show-initial {
    opacity: 1;
    transform: translateY(0);
}

/* Panah kecil di bawah tooltip */
.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    bottom: -6px;
    right: 20px;
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid white;
}

/* Tombol WhatsApp Utama */
.floating-whatsapp-btn {
    /* Gradasi khas WA */
    background: linear-gradient(45deg, #25d366, #128c7e);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    /* Bayangan yang cocok dengan warna WA */
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
    position: relative;
}

/* Ikon di dalam tombol */
.floating-whatsapp-btn i {
    font-size: 32px;
    transition: all 0.3s ease;
}

/* Teks "Chat Kami" yang tersembunyi */
.whatsapp-text {
    max-width: 0;
    opacity: 0;
    font-weight: 600;
    font-size: 16px;
    white-space: nowrap;
    overflow: hidden;
    transition: all 0.4s ease;
    margin-left: 0;
}

/* Efek HOVER: Tombol Memanjang */
.floating-whatsapp-btn:hover {
    width: 160px; /* Lebar saat hover */
    border-radius: 50px;
    transform: translateY(-5px); /* Sedikit naik */
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
    animation: none; /* Matikan denyut saat di-hover */
}

.floating-whatsapp-btn:hover .whatsapp-text {
    max-width: 100px;
    opacity: 1;
    margin-left: 10px;
}

/* Animasi Denyut (Pulse) */
@keyframes pulse-green {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

.floating-whatsapp-btn {
    animation: pulse-green 2s infinite;
}

/* Penyesuaian Mobile: Tetap bulat kecil */
@media (max-width: 767.98px) {
    .whatsapp-tooltip { display: none; } /* Sembunyikan tooltip di HP */
    .floating-whatsapp-btn:hover { width: 55px; } /* Jangan memanjang di HP */
    .whatsapp-text { display: none; } /* Sembunyikan teks di HP */
    .floating-whatsapp-btn { width: 55px; height: 55px; bottom: 90px; right: 20px; }
    .floating-whatsapp-btn i { font-size: 28px; }
    .floating-whatsapp-wrapper {
        bottom: 20px;
        right: 20px;
    }
}