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button{color:var(--muted)}html[data-theme] .view-tabs button.active{color:var(--gold)}html[data-theme] .lobby-backdrop{background-color:var(--museum-bg)}html[data-theme] .lobby-backdrop:after{background:var(--lobby-wash)}html[data-theme] .lobby-view .topbar{background:var(--surface-glass);border-color:var(--line)}html[data-theme] .lobby-lead,html[data-theme] .lobby-footer{color:var(--muted)}html[data-theme] .score-gallery .score-viewer:fullscreen{background:var(--museum-bg);color:var(--text-primary)}html[data-theme] :is(.closed-museum,.join-page){background:radial-gradient(ellipse at 35% 35%,var(--museum-glow),transparent 68%),var(--museum-bg);color:var(--text-primary)}