.nav-menu {
    margin-left: auto;
    align-self: flex-start;
    position: relative;
    z-index: 2500;
}

.nav-menu-btn {
    width: 44px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid rgba(78, 205, 196, 0.35);
    background: rgba(0, 0, 0, 0.25);
    color: #4ecdc4;
    cursor: pointer;
    font-size: 1.35em;
    font-weight: bold;
    line-height: 1;
}

.nav-menu-btn:hover {
    background: rgba(78, 205, 196, 0.12);
}

.nav-menu-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    padding: 8px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.88);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.nav-menu-title {
    padding: 8px 12px 6px;
    color: #4ecdc4;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.nav-menu-divider {
    height: 1px;
    margin: 4px 8px;
    background: rgba(255, 255, 255, 0.14);
}

.nav-menu-dropdown a {
    display: block;
    padding: 10px 12px;
    border-radius: 10px;
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    white-space: nowrap;
}

.nav-menu-dropdown a:hover {
    background: rgba(78, 205, 196, 0.18);
    color: #4ecdc4;
}

.nav-menu-dropdown .nav-menu-action {
    display: block;
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: none;
    background: transparent;
    color: #fff;
    text-align: left;
    font-weight: bold;
    white-space: nowrap;
    cursor: pointer;
}

.nav-menu-dropdown .nav-menu-action:hover {
    background: rgba(78, 205, 196, 0.18);
    color: #4ecdc4;
}

.nav-menu-dropdown .nav-menu-disabled {
    display: block;
    padding: 10px 12px;
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.52);
    font-weight: bold;
    white-space: nowrap;
    cursor: default;
}

.nav-menu-version {
    margin: 2px 0;
    border-radius: 10px;
}

.nav-menu-version summary {
    list-style: none;
    display: block;
    padding: 10px 12px;
    border-radius: 10px;
    color: #fff;
    font-weight: bold;
    white-space: nowrap;
    cursor: pointer;
}

.nav-menu-version summary::-webkit-details-marker {
    display: none;
}

.nav-menu-version summary:hover,
.nav-menu-version[open] summary {
    background: rgba(78, 205, 196, 0.18);
    color: #4ecdc4;
}

.nav-menu-version-body {
    padding: 2px 12px 10px;
}

.nav-menu-version-row {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 3px 0;
    font-size: 0.78em;
}

.nav-menu-version-label {
    color: rgba(255, 255, 255, 0.62);
    white-space: nowrap;
}

.nav-menu-version-value {
    color: #fff;
    text-align: right;
    word-break: break-word;
}

@media (max-width: 768px) {
    .nav-menu-btn {
        width: 48px;
        height: 44px;
        font-size: 1.55em;
    }

    .nav-menu-dropdown {
        min-width: min(260px, calc(100vw - 16px));
        padding: 10px;
        font-size: 18px;
    }

    .nav-menu-title {
        padding: 10px 14px 8px;
        font-size: 15px;
    }

    .nav-menu-dropdown a,
    .nav-menu-dropdown .nav-menu-action,
    .nav-menu-dropdown .nav-menu-disabled,
    .nav-menu-version summary {
        padding: 12px 14px;
        font-size: inherit;
    }

    .nav-menu-version-body {
        padding: 4px 14px 12px;
    }

    .nav-menu-version-row {
        gap: 12px;
        padding: 4px 0;
        font-size: 0.84em;
    }
}