.side-btn {
    position: fixed;
    top: 40%;
    right: -5px;
    background-color: #C5973A;
    color: white;
    width: 30px;
    padding: 8px 4px;
    font-weight: bold;
    font-size: 14px;
    border-radius: 8px 0 0 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    text-decoration: none;
    z-index: 99999;
    cursor: pointer;
    user-select: none;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    text-align: center;
    overflow: visible;
    transition: right 0.3s ease;
    opacity: 0;
    pointer-events: none;
}


    .side-btn.show {
        opacity: 1;
        pointer-events: auto;
        right: 0;
    }

@media (hover: hover) {
    .side-btn:hover {
        background-color: #b88442;
        background-color: #C5973A;
        color: white;
    }
}

@media (max-width: 768px) {
    .side-btn {
        top: 50%;
        padding: 8px 6px;
        font-size: 12px;
        border-radius: 5px 0 0 5px;
        min-opacity: 0.7;
    }

        .side-btn:active,
        .side-btn:focus,
        .side-btn:visited {
            opacity: 1 !important;
            transform: none !important;
            color: white !important;
        }
}