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4px;order:0}.tool-btn{width:44px;height:44px}.tool-sep{width:0;height:28px;border-top:none;border-left:1px solid var(--glass-border);margin:0 6px}.tool-slider{flex-direction:row;align-items:center;gap:4px}.tool-slider input[type=range]{width:70px}.canvas-container{min-height:45vh;order:1}.right-panels{width:100%;border-left:none;border-top:1px solid var(--glass-border);order:2;flex-direction:column;max-height:none}.menubar{height:40px}.header-actions{gap:4px}.lang-select{padding:4px 6px}.menubar-right{display:none}.music-studio{padding:14px}.music-steps{flex-wrap:wrap;justify-content:center;gap:6px}.music-step{padding:6px 10px;font-size:12px}.music-card{padding:16px;border-radius:16px}.music-row{flex-direction:column;align-items:stretch}.music-row button,.music-row .btn-link{width:100%;text-align:center}button{padding:10px 12px}}