.header:has(.site-nav[data-nav-mode]) {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
}

.header:has(.site-nav[data-nav-mode]) > .header-controls {
    grid-column: 1;
    grid-row: 1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    justify-content: center;
    justify-self: center;
    align-items: center;
    gap: 8px;
    width: min(100%, 400px);
    min-width: 0;
    margin: 0;
}

.header:has(.site-nav[data-nav-mode]) .header-controls > * {
    width: 100%;
    min-width: 0;
    margin: 0;
}

.header-controls #ro-client-switcher { order: 0; }
.header-controls #ro-lang-switcher { order: 1; }
.header-controls #ro-patcher-link { order: 2; }

.header:has(.site-nav[data-nav-mode]) .header-controls .form-select,
.header:has(.site-nav[data-nav-mode]) .header-controls .header-patcher {
    box-sizing: border-box;
    height: 40px;
    border-width: 1px;
    border-style: solid;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 1;
}

.header:has(.site-nav[data-nav-mode]) .header-patcher {
    justify-content: center;
    padding: 0 8px;
    gap: 6px;
}

.header:has(.site-nav[data-nav-mode]) > .site-nav {
    grid-column: 1;
    grid-row: 2;
}

.site-nav[data-nav-mode] {
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-start;
    align-items: center;
    gap: 12px;
    min-width: 0;
    overflow: hidden;
    isolation: isolate;
    scroll-snap-type: none;
    padding: 0;
}

.site-nav-groups {
    display: grid;
    gap: 4px;
    flex: 0 0 76px;
}

.site-nav-group {
    min-height: 32px;
    padding: 5px 8px;
    border: 1px solid var(--border-color, #383d45);
    border-radius: 6px;
    background: var(--bg-tertiary, #292b2f);
    color: var(--text-secondary, #a3b4d4);
    font: inherit;
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1.2;
    cursor: pointer;
    transition: none;
}

.site-nav-group:hover {
    border-color: var(--text-secondary, #a3b4d4);
    color: var(--text-primary, #e6f0ff);
}

.site-nav-group[aria-pressed="true"] {
    background: linear-gradient(120deg, #51442e, #302f2b);
    border-color: #b79760;
    color: #f2d9ab;
}

.site-nav-group:focus-visible,
.site-nav[data-nav-mode] .site-nav-item:focus-visible,
.header-controls .header-patcher:focus-visible {
    outline: 2px solid #e1bb75;
    outline-offset: -3px;
}

.site-nav-scroll {
    display: flex;
    align-items: center;
    gap: inherit;
    flex: 1 1 auto;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: none;
    -webkit-overflow-scrolling: touch;
    padding: 3px 1px;
}

.site-nav[data-nav-mode="power"] [data-nav-group]:not([data-nav-group="power"]),
.site-nav[data-nav-mode="world"] [data-nav-group]:not([data-nav-group="world"]),
.site-nav[data-nav-mode="tools"] [data-nav-group]:not([data-nav-group="tools"]) {
    display: none !important;
}

.site-nav[data-nav-mode] .site-nav-item {
    flex: 0 0 auto;
    transform-origin: left center;
}

.site-nav[data-nav-mode] .site-nav-label {
    display: block;
    color: var(--text-secondary, #a3b4d4);
}

.site-nav[data-nav-mode] .site-nav-item[data-nav-empty] {
    opacity: 0.42;
    filter: grayscale(1);
    border-color: var(--border-color, #383d45);
    box-shadow: none;
    cursor: not-allowed;
}

.site-nav[data-nav-mode] .site-nav-item[data-nav-empty]:hover {
    transform: none;
    border-color: var(--border-color, #383d45);
}

@media (max-width: 600px) {
    .header:has(.site-nav[data-nav-mode]) { padding: 10px; gap: 8px; }
    .site-nav[data-nav-mode] { gap: 8px; }
    .site-nav-groups { flex-basis: 68px; }
    .site-nav-group { min-height: 36px; }
    .header:has(.site-nav[data-nav-mode]) .header-controls .form-select {
        padding-left: 8px;
        padding-right: 25px;
        background-position: right 8px center;
    }
    .header:has(.site-nav[data-nav-mode]) .header-patcher img { width: 20px; height: 20px; }
}

@media (prefers-reduced-motion: reduce) {
    .site-nav[data-nav-mode] .site-nav-item,
    .site-nav-group { transition: none; }
}

@media (scripting: none) {
    .site-nav[data-nav-mode] .site-nav-groups { display: none; }
    .site-nav[data-nav-mode] .site-nav-scroll { flex-wrap: wrap; }
    .header .site-nav[data-nav-mode] [data-nav-group] { display: inline-flex !important; }
}