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768px){.hide-on-mobile{display:none!important}.show-on-mobile{display:inline!important}#app-wrapper{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-items:start}#main-controls,#pc-row-1,#pc-row-2{display:contents}#main-divider{display:none}#m-grp-inst,#tuning-controls,#key-controls,#scale-controls,#chord-controls,#m-grp-mode,#shared-controls{background-color:#fff;padding:12px;border-radius:8px;border:1px solid #ddd;box-sizing:border-box;width:100%;margin:0}#lang-btn{order:1;grid-column:1;width:100%;padding:12px 0;text-align:center;margin:0}#capture-btn{order:2;grid-column:2;width:100%;padding:12px 0;text-align:center;margin:0!important}#m-grp-inst{order:3;grid-column:1 / 3;display:flex;gap:5px}#m-grp-inst .btn{flex:1;margin:0;padding:12px 0;font-size:13px}#tuning-controls{grid-column:1 / 3;display:flex;flex-direction:column;align-items:stretch;gap:4px}#tuning-controls 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