/* Base styles for buttons */
.lab-zapup__whatsapp, .lab-zapup__scrolltop {
    position: fixed;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.25);
    z-index: 1000;
    transition: all 0.3s ease-in-out;
}

.lab-zapup__whatsapp {
    background-color: #25d366;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lab-zapup__whatsapp:hover {
    background-color: #128c7e;
}

.lab-zapup__whatsapp img {
    width: 30px;
    height: 30px;
}

.lab-zapup__scrolltop {
    background-color: #000000;
    color: white;
    border: none;
    cursor: pointer;
    display: none; /* Hidden by default */
    align-items: center;
    justify-content: center;
}

.lab-zapup__scrolltop:hover {
    background-color: #2c2c2c;
}

.lab-zapup__scrolltop i {
    font-size: 20px;
}

/* --- Default Positioning (No Fine-Tuning) --- */
.lab-zapup:not(.lab-zapup--fine-tuning-yes) .lab-zapup__whatsapp,
.lab-zapup:not(.lab-zapup--fine-tuning-yes) .lab-zapup__scrolltop {
    bottom: 20px;
}

.lab-zapup--position-right:not(.lab-zapup--fine-tuning-yes) .lab-zapup__whatsapp,
.lab-zapup--position-right:not(.lab-zapup--fine-tuning-yes) .lab-zapup__scrolltop {
    right: 20px;
}

.lab-zapup--position-left:not(.lab-zapup--fine-tuning-yes) .lab-zapup__whatsapp,
.lab-zapup--position-left:not(.lab-zapup--fine-tuning-yes) .lab-zapup__scrolltop {
    left: 20px;
}

.lab-zapup--position-split.lab-zapup-wside-right:not(.lab-zapup--fine-tuning-yes) .lab-zapup__whatsapp { right: 20px; }
.lab-zapup--position-split.lab-zapup-wside-right:not(.lab-zapup--fine-tuning-yes) .lab-zapup__scrolltop { left: 20px; }
.lab-zapup--position-split.lab-zapup-wside-left:not(.lab-zapup--fine-tuning-yes) .lab-zapup__whatsapp { left: 20px; }
.lab-zapup--position-split.lab-zapup-wside-left:not(.lab-zapup--fine-tuning-yes) .lab-zapup__scrolltop { right: 20px; }

/* --- Fine-Tuning Positioning (Using CSS Variables with !important) --- */

/* Right Position */
.lab-zapup--fine-tuning-yes.lab-zapup--position-right .lab-zapup__whatsapp {
    right: var(--whatsapp-h-offset, 20px) !important;
    left: auto !important;
    bottom: var(--whatsapp-v-offset, 20px) !important;
}
.lab-zapup--fine-tuning-yes.lab-zapup--position-right .lab-zapup__scrolltop {
    right: var(--lab-scrolltop-h-var, 20px) !important;
    left: auto !important;
    bottom: var(--scrolltop-v-offset, 80px) !important;
}

/* Left Position */
.lab-zapup--fine-tuning-yes.lab-zapup--position-left .lab-zapup__whatsapp {
    left: var(--whatsapp-h-offset, 20px) !important;
    right: auto !important;
    bottom: var(--whatsapp-v-offset, 20px) !important;
}
.lab-zapup--fine-tuning-yes.lab-zapup--position-left .lab-zapup__scrolltop {
    left: var(--lab-scrolltop-h-var, 20px) !important;
    right: auto !important;
    bottom: var(--scrolltop-v-offset, 80px) !important;
}

/* Split Position */
.lab-zapup--fine-tuning-yes.lab-zapup--position-split.lab-zapup-wside-right .lab-zapup__whatsapp {
    right: var(--whatsapp-h-offset, 20px) !important;
    left: auto !important;
    bottom: var(--whatsapp-v-offset, 20px) !important;
}
.lab-zapup--fine-tuning-yes.lab-zapup--position-split.lab-zapup-wside-right .lab-zapup__scrolltop {
    left: var(--lab-scrolltop-h-var, 20px) !important;
    right: auto !important;
    bottom: var(--scrolltop-v-offset, 80px) !important;
}
.lab-zapup--fine-tuning-yes.lab-zapup--position-split.lab-zapup-wside-left .lab-zapup__whatsapp {
    left: var(--whatsapp-h-offset, 20px) !important;
    right: auto !important;
    bottom: var(--whatsapp-v-offset, 20px) !important;
}
.lab-zapup--fine-tuning-yes.lab-zapup--position-split.lab-zapup-wside-left .lab-zapup__scrolltop {
    right: var(--lab-scrolltop-h-var, 20px) !important;
    left: auto !important;
    bottom: var(--scrolltop-v-offset, 80px) !important;
}


/* --- Visibility Logic --- */

.lab-zapup__scrolltop.lab-zapup__scrolltop--visible {
    display: flex;
}

/* Adjust bottom position ONLY when stacked and NOT fine-tuning */
.lab-zapup:not(.lab-zapup--position-split):not(.lab-zapup--fine-tuning-yes) .lab-zapup__scrolltop.lab-zapup__scrolltop--visible {
    bottom: 80px;
}