#wa-button {
    position: fixed;
    bottom: 90px;
    right: 25px;
    width: 52px;
    height: 52px;
    background: #25D366;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(0,0,0,.3);
    z-index: 9999;
    transition: all 0.3s ease;
}

#wa-button svg { 
    width: 28px; 
}

#wa-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.4);
    display: none;
    z-index: 10000;
}

#wa-chat {
    position: fixed;
    bottom: 150px;
    right: 25px;
    width: 340px;
    background: #f0f2f5;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0,0,0,.35);
    animation: waUp .3s ease;
    font-family: Tahoma, Arial;
}

@keyframes waUp {
    from { transform: translateY(40px); opacity: 0 }
    to { transform: translateY(0); opacity: 1 }
}

#wa-header {
    background: #075E54;
    color: #fff;
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.wa-avatar {
    width: 38px;
    height: 38px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wa-title { 
    font-weight: bold; 
}

.wa-status { 
    font-size: 12px; 
    opacity: .9; 
}

.wa-close {
    margin-left: auto;
    cursor: pointer;
    font-size: 22px;
}

#wa-body { 
    padding: 15px; 
}

.wa-bubble {
    background: white;
    padding: 10px 14px;
    border-radius: 10px;
    display: inline-block;
    font-size: 14px;
}

#wa-footer {
    padding: 10px;
    display: flex;
    gap: 8px;
}

#wa-footer textarea {
    flex: 1;
    resize: none;
    border-radius: 10px;
    border: 1px solid #ccc;
    padding: 8px;
    height: 45px;
}

#wa-footer button {
    background: #25D366;
    border: none;
    color: white;
    padding: 0 16px;
    border-radius: 10px;
    font-size: 16px;
    cursor: pointer;
}