.mobile-profile-toggle,
.mobile-nav-menu {
    display: none;
}

@media (max-width: 767px) {
    .header {
        padding: 8px 0;
    }

    .header__inner,
    .nav {
        position: relative;
    }

    .nav {
        gap: 6px;
        flex-wrap: nowrap;
    }

    .nav-logo {
        padding-left: 8px;
        padding-right: 8px;
    }

    .nav > .nav-link[href="/search"],
    .nav > .nav-link[href="/activity"],
    .nav > .nav-link--gold,
    .nav > .nav-link--desktop-profile,
    .nav > .nav-link--desktop-secondary {
        display: none;
    }

    .nav > .nav-link[href="/chat"] {
        margin-left: auto;
        width: 40px;
        min-width: 40px;
        padding-left: 0;
        padding-right: 0;
    }

    .nav > .nav-link[href="/chat"] .nav-link__label {
        display: none;
    }

    .nav-spacer {
        display: none;
    }

    .nav-link--notifications {
        width: 40px;
        min-width: 40px;
        padding-left: 0;
        padding-right: 0;
    }

    .mobile-profile-toggle {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        min-width: 0;
        max-width: min(42vw, 180px);
        padding-left: 10px;
        padding-right: 10px;
        cursor: pointer;
    }

    .mobile-profile-toggle > span {
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .mobile-profile-toggle__chevron {
        flex: 0 0 auto;
        font-size: .72em;
        transition: transform .18s ease;
    }

    .mobile-profile-toggle.is-open .mobile-profile-toggle__chevron {
        transform: rotate(180deg);
    }

    .mobile-nav-menu {
        position: absolute;
        top: calc(100% + 8px);
        right: 0;
        z-index: 1300;
        width: min(290px, calc(100vw - 24px));
        padding: 8px;
        border: 1px solid var(--border-color, rgba(0, 0, 0, .12));
        border-radius: var(--border-radius, 12px);
        background: var(--card-bg, var(--color-white));
        color: var(--text-color, #222);
        box-shadow: 0 12px 34px rgba(0, 0, 0, .18);
    }

    .mobile-nav-menu:not([hidden]) {
        display: block;
    }

    .mobile-nav-menu__item {
        display: flex;
        align-items: center;
        gap: 11px;
        min-height: 44px;
        padding: 10px 12px;
        border-radius: 9px;
        color: inherit;
        text-decoration: none;
        font-weight: 600;
    }

    .mobile-nav-menu__item i {
        width: 20px;
        text-align: center;
        opacity: .82;
    }

    .mobile-nav-menu__item span {
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .mobile-nav-menu__item strong {
        margin-left: auto;
        white-space: nowrap;
    }

    .mobile-nav-menu__item:hover,
    .mobile-nav-menu__item.active {
        background: rgba(127, 127, 127, .12);
    }

    .mobile-nav-menu__item--gold strong {
        font-weight: 800;
    }
}

/* v52 — compact account menu with direct access to static pages. */
@media (max-width: 767px) {
  .mobile-nav-menu {
    max-height: min(68vh, 520px);
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  .mobile-nav-menu__separator {
    height: 1px;
    margin: 6px 8px;
    background: var(--border-color, rgba(0,0,0,.10));
  }
  .mobile-nav-menu__item--text-page {
    min-height: 38px;
    padding-top: 7px;
    padding-bottom: 7px;
    font-weight: 500;
  }
  .mobile-nav-menu__item--danger {
    color: #b42318;
  }
}

/* v53 — nested information pages on mobile, collapsed by default. */
@media (max-width: 767px) {
  .mobile-account-pages > summary { list-style:none; cursor:pointer; }
  .mobile-account-pages > summary::-webkit-details-marker { display:none; }
  .mobile-account-pages__summary { padding-right:14px; }
  .mobile-account-pages__chevron {
    margin-left:auto;
    width:auto !important;
    font-size:11px;
    transition:transform .16s ease;
  }
  .mobile-account-pages[open] .mobile-account-pages__chevron { transform:rotate(180deg); }
  .mobile-account-pages__list {
    margin:2px 8px 5px 31px;
    padding-left:7px;
    border-left:1px solid var(--border-color,rgba(0,0,0,.10));
  }
  .mobile-account-pages__list .mobile-nav-menu__item {
    min-height:34px;
    padding:6px 8px;
    font-size:13px;
    font-weight:500;
  }
}