.wapp-chat-box, .wapp-toggle-btn, .wapp-call-btn {
    font-family: Arial;
    z-index: 99999;
}
.wapp-chat-box {
    position: fixed;
    bottom: 140px;
    right: 20px;
    width: 280px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0,0,0,0.2);
    display: none;
    flex-direction: column;
    overflow: hidden;
}
.wapp-chat-box-header {
    background: #25D366;
    color: #fff;
    padding: 10px;
    display: flex;
    align-items: center;
}
.wapp-chat-box-header img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-right: 10px;
}
.wapp-chat-box-body {
    padding: 10px;
    font-size: 14px;
    color: #333;
}
.wapp-chat-box-footer {
    padding: 10px;
    background: #f9f9f9;
    text-align: center;
}
.wapp-chat-box-footer a {
    background: #25D366;
    color: #fff;
    padding: 8px 16px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: bold;
}
.wapp-float-buttons {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: flex-end;
    z-index: 99999;
}

.wapp-toggle-btn,
.wapp-call-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    width: 52px;
    height: 52px;
    text-align: center;
    font-size: 24px;
    line-height: 52px;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.wapp-toggle-btn {
    background: #25D366;
    color: #fff;
}

.wapp-call-btn {
    background: #25D366; /* WhatsApp green */
    color: #fff;
    text-decoration: none;
}

.wapp-icon {
    display: inline-block;
    transform: translateY(1px);
}
.pulse {
    animation: pulse-animation 2s infinite;
}
@keyframes pulse-animation {
    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); }
}

/* Visibility helpers */
@media (max-width: 767px) {
  .wapp-hide-mobile { display: none !important; }
}
@media (min-width: 768px) {
  .wapp-hide-desktop { display: none !important; }
}