.side-nav {
    position: fixed;
    z-index: 900;
    right: 0;
    top: 50%;
    width: 132px;
    transform: translateY(-50%);
    filter: drop-shadow(-4px 8px 18px rgba(32, 27, 22, .1));
}

.side-nav__toggle { display: none; }

.side-nav__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    overflow: hidden;
    border: 1px solid #e7e0d8;
    border-right: 0;
    border-radius: 12px 0 0 12px;
    background: #fff;
}

.side-nav__item {
    display: flex;
    min-height: 66px;
    padding: 9px 4px 8px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: #3b3732;
    font-size: 11px;
    font-weight: 600;
    text-decoration: none;
    transition: background-color .2s ease, color .2s ease, transform .2s ease;
}

.side-nav__item:nth-child(odd) { border-right: 1px solid #eee8e1; }
.side-nav__item:nth-child(-n+2) { border-bottom: 1px solid #eee8e1; }
.side-nav__item:hover { background: #f8f4ef; color: #181512; }
.side-nav__item:focus-visible { position: relative; outline: 3px solid #a98662; outline-offset: -3px; }

.side-nav__icon {
    display: grid;
    place-items: center;
    width: 26px;
    height: 26px;
    border-radius: 8px;
    background: #f3eee8;
    font-size: 14px;
}

.side-nav__item--kakao .side-nav__icon { background: #fee500; color: #181600; }
.side-nav__item--instagram .side-nav__icon { background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045); color: #fff; }
.side-nav__item--naver .side-nav__icon { background: #03c75a; color: #fff; font: 800 14px/1 Arial, sans-serif; }
.side-nav__item--pricing .side-nav__icon { background: #332d27; color: #fff; }

@media (max-width: 900px) {
    .side-nav {
        top: auto;
        right: 0;
        bottom: 14px;
        width: 74px;
        height: 54px;
        padding: 0;
        transform: none;
        filter: none;
        pointer-events: none;
    }

    .side-nav.is-open {
        width: 124px;
        height: auto;
        padding-bottom: 54px;
    }

    .side-nav__toggle {
        display: grid;
        position: absolute;
        right: 14px;
        bottom: 0;
        width: 46px;
        height: 46px;
        padding: 0;
        place-items: center;
        border: 0;
        border-radius: 50%;
        background: #332d27;
        box-shadow: 0 7px 20px rgba(32, 27, 22, .24);
        cursor: pointer;
        pointer-events: auto;
    }

    .side-nav__toggle span,
    .side-nav__toggle span::after {
        display: block;
        position: absolute;
        width: 17px;
        height: 2px;
        border-radius: 2px;
        background: #fff;
        content: "";
        transition: transform .25s ease;
    }

    .side-nav__toggle span::after { transform: rotate(90deg); }
    .side-nav.is-open .side-nav__toggle span { transform: rotate(45deg); }

    .side-nav__grid {
        display: none;
        pointer-events: none;
    }

    .side-nav.is-open .side-nav__grid {
        display: grid;
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
    }

    .side-nav__item {
        min-height: 61px;
        padding: 8px 3px;
        font-size: 10px;
    }

    .side-nav__icon {
        width: 24px;
        height: 24px;
        font-size: 13px;
    }
}