:root {
    --orange-theme: #FF6600;
    --wa-green: #25D366;
    --white: #ffffff;
    --shadow: 0 8px 20px rgba(0,0,0,0.2);
}

/* Desktop/General Layout */
.btn-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 99999;
    font-family: sans-serif;
}

.side-btn {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: var(--shadow);
    position: relative;
}

.scroll-btn {
    background-color: var(--orange-theme);
    color: var(--white);
    font-size: 20px;
}

.wa-btn {
    background-color: var(--wa-green);
    color: var(--white);
    font-size: 28px;
    animation: pulse-green 2s infinite;
}

/* Animations & Tooltips */
@keyframes pulse-green {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.side-btn::after {
    content: attr(data-label);
    position: absolute;
    right: 70px;
    background: #333;
    color: #fff;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 13px;
    opacity: 0;
    pointer-events: none;
    transition: 0.3s;
    white-space: nowrap;
}

.side-btn:hover::after {
    opacity: 1;
    right: 80px;
}

#upBtn {
    opacity: 0;
    transform: translateY(20px);
    visibility: hidden;
}

#upBtn.visible {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

/* =========================================
   MOBILE COMPATIBILITY (Screens < 768px)
   ========================================= */
@media screen and (max-width: 768px) {
    .btn-container {
        bottom: 20px; /* Closer to edge */
        right: 20px;
        gap: 10px;    /* Tighter spacing */
    }

    .side-btn {
        width: 48px;  /* Smaller buttons for mobile */
        height: 48px;
    }

    .scroll-btn {
        font-size: 18px; /* Slightly smaller icons */
    }

    .wa-btn {
        font-size: 24px;
    }

    /* Disable tooltips on mobile as there is no "hover" state */
    .side-btn::after {
        display: none !important;
    }

    /* Slightly reduce pulse size to prevent screen overflow */
    @keyframes pulse-green {
        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); }
    }
}