/* WhatsApp-like chat background */
.bg-chat {
    background-color: #e5ddd5;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Ccircle cx='40' cy='40' r='30' fill='none' stroke='%23c8bdb8' stroke-width='0.5'/%3E%3C/svg%3E");
}

/* Selected contact highlight */
.contact-item:hover {
    background-color: #f5f5f5 !important;
}

.bg-light-success {
    background-color: #f0faf2 !important;
}

/* Message bubble entrance animation */
.message-bubble {
    animation: fadeInUp 0.15s ease-out;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #ccc; border-radius: 10px; }