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button{color:var(--ink);padding:3px 10px}.banner button.primary{color:#fff}.empty{z-index:25;background:var(--bg);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:6px;display:flex;position:fixed;inset:52px 0 0}.empty h2{margin:0}@media (width<=900px){.main{flex-direction:column}.side{border-left:0;border-top:1px solid var(--line);width:auto;max-height:48vh}.score-scroll{padding:8px}.status{align-items:flex-start;margin-left:0}}.finger-row{border-top:1px solid var(--line);align-items:center;gap:4px;margin-top:2px;padding:6px 10px 4px;display:flex}.finger-row button{background:#fff;width:30px;height:28px;padding:0;font-weight:600}.finger-row button.on{background:var(--accent);color:#fff}.track-card{border:1px solid var(--line);border-radius:8px;flex-direction:column;gap:6px;padding:8px 10px;display:flex}.track-card-head{align-items:center;gap:6px;display:flex}.track-card-head input{font-weight:600}.player 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