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0}.workspace{grid-template-columns:minmax(0,1fr) 270px;gap:14px}.panel-subtitle{display:none}.board-footer{padding:14px}.output-card,.controls-card,.treble-card{padding:17px}}@media(max-width:900px){.workspace{grid-template-columns:1fr}.sidebar{grid-template-columns:1fr 1fr;align-items:start}.treble-card{grid-column:1}.controls-card{grid-column:2;grid-row:1 / span 2}.header-actions{gap:4px}.mode-switch{margin-right:0}.header-actions>button{padding:9px;font-size:11px}.local-badge{display:none}}@media(max-width:620px){.metadata-form{grid-template-columns:1fr;gap:0}.diagram-files summary span{display:block;margin-top:6px}.app-header{align-items:flex-start;flex-direction:column;padding:20px 16px 14px;gap:14px}.header-actions{width:100%;justify-content:space-between}.mode-switch button{min-width:58px;padding:8px}.brand{font-size:25px}main{padding:16px 12px 0}.intro{padding:0 5px;margin-bottom:16px}h1{font-size:26px}.intro p{font-size:12px}.panel-heading{padding:14px}.board-tag{font-size:8px}.circuit-board{min-height:480px}.board-footer{font-size:9px}.legend{gap:12px}.sidebar{grid-template-columns:1fr}.controls-card,.treble-card{grid-column:auto;grid-row:auto}.controls-card{order:-1}.bench-notes{padding:15px 6px}.app-footer{margin:0 6px;line-height:1.6}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}