/* ===== BOTÓN FLOTANTE ===== */
.sandunga-wa-float {
    position: fixed;
    bottom: 22px;
    right: 22px;
    width: 56px;
    height: 56px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 9999;
    box-shadow: 0 6px 18px rgba(0,0,0,.25);
    transition: transform .2s ease;
}

.sandunga-wa-float img {
    width: 30px;
    height: 30px;
}

/* ===== PANEL CHAT ===== */
.sandunga-wa-panel {
    position: fixed;
    bottom: 90px;
    right: 22px;
    width: 320px;
    max-height: 480px;
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 12px 40px rgba(0,0,0,.35);
    display: none;
    flex-direction: column;
    overflow: hidden;
    z-index: 9999;
}

/* ===== HEADER ===== */
.sandunga-wa-header {
    background: #25D366;
    color: #fff;
    padding: 14px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
}

.sandunga-wa-close {
    font-size: 22px;
    cursor: pointer;
}

/* ===== BODY ===== */
.sandunga-wa-body {
    flex: 1;
    padding: 12px;
    overflow-y: auto;
    font-size: 14px;
}

/* ===== FOOTER ===== */
.sandunga-wa-footer {
    padding: 10px;
    border-top: 1px solid #eee;
}

.sandunga-wa-footer button {
    width: 100%;
    background: #25D366;
    color: #fff;
    border: none;
    padding: 12px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .sandunga-wa-panel {
        width: calc(100% - 16px);
        bottom: 80px;
        right: 8px;
        border-radius: 8px;
    }
}