:root{--bg-base:#0b0b0e;--bg-surface:#19191c;--bg-elevated:#262629;--border:#333336;--text-primary:#f5f5f7;--text-secondary:#acacb0;--text-tertiary:gray;--accent:#5b8def;--green:#32d74b;--red:#d9736b;--font-sans:-apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;--font-mono:"SF Mono", ui-monospace, Menlo, Consolas, monospace;--radius:0px;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg-base);height:100%;color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;font-size:13px;line-height:1.5}#app{flex-direction:column;height:100vh;display:flex}.app{height:100%;display:flex}.toolbar{background:var(--bg-surface);border-right:1px solid var(--border);flex-shrink:0;width:100px;overflow-y:auto}.toolbar-inner{flex-direction:column;gap:12px;padding:8px;display:flex}.toolbar-brand{color:var(--text-primary);text-align:center;border-bottom:1px solid var(--border);padding:2px 0 4px;font-size:16px;font-weight:700}.toolbar-section{flex-direction:column;gap:4px;display:flex}.toolbar-label{color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.5px;font-size:9px;font-weight:600}.toolbar-btn{border:1px solid var(--border);background:var(--bg-elevated);color:var(--text-secondary);font-family:var(--font-sans);cursor:pointer;text-align:center;padding:3px 4px;font-size:10px;font-weight:600}.toolbar-btn--active{background:var(--accent);color:#fff;border-color:var(--accent)}.toolbar-btn--connect{color:var(--green)}.toolbar-btn--disconnect{color:var(--red)}.toolbar-select{background:var(--bg-elevated);border:1px solid var(--border);width:100%;color:var(--text-primary);font-family:var(--font-sans);padding:2px;font-size:9px}.toolbar-section--midi{margin-top:auto}.app-main{flex:1;min-height:0;display:flex}.grid-area{flex-direction:column;flex:1;min-width:0;min-height:0;display:flex}.sidebar{border-left:1px solid var(--border);background:var(--bg-surface);flex-direction:column;flex-shrink:0;width:500px;display:flex}.bpm-input{background:var(--bg-elevated);border:1px solid var(--border);width:100%;color:var(--text-primary);font-family:var(--font-mono);text-align:center;outline:none;padding:3px 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#0000;width:48px;height:48px;font-size:0}.assign-cell--outer{background:#1a1a1d}.assign-cell--outer.assign-cell--assigned{background:#2a2a2f}.assign-cell--selected{border-color:var(--accent)}.assign-cell--logo{color:var(--text-primary);justify-content:center;align-items:center;font-size:11px;font-weight:700;display:flex}.grid-row{gap:2px;display:flex}.controls-panel{flex-direction:column;flex:1;gap:8px;padding:8px;display:flex;overflow-y:auto}.controls-bar{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.controls-columns{flex-direction:column;gap:0;display:flex}.controls-col{border-top:1px solid var(--border);flex-direction:column;gap:10px;padding:8px 0;display:flex}.controls-col:first-child{border-top:none;padding-top:0}.controls-col-title{color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.5px;font-size:10px;font-weight:600}.controls-col-toggle{border:1px solid var(--border);background:var(--bg-base);font-family:var(--font-sans);color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.5px;cursor:pointer;opacity:.5;flex:1;justify-content:center;align-items:center;padding:4px 8px;font-size:10px;font-weight:600;display:flex}.controls-col-toggle--active{color:var(--text-primary);background:var(--bg-elevated);opacity:1}.controls-title{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:11px;font-weight:600}.control-group{align-items:center;gap:8px;display:flex}.control-group .select,.control-group .slider{flex:1}.control-label{color:var(--text-secondary);white-space:nowrap;flex-shrink:0;align-items:center;gap:4px;min-width:72px;font-size:11px;display:flex}.control-value{font-family:var(--font-mono);color:var(--text-tertiary);font-size:11px}.slider{appearance:none;background:var(--bg-elevated);border:none;outline:none;width:100%;height:3px}.slider::-webkit-slider-thumb{appearance:none;background:var(--text-secondary);cursor:pointer;border:none;width:12px;height:12px}.slider::-moz-range-thumb{background:var(--text-secondary);cursor:pointer;border:none;width:12px;height:12px}.select{background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border);font-family:var(--font-sans);cursor:pointer;outline:none;padding:2px 4px;font-size:11px}.select--port{min-width:200px}.select:disabled{opacity:.5;cursor:not-allowed}.btn-sm{border:1px solid var(--border);background:var(--bg-elevated);color:var(--text-primary);font-family:var(--font-sans);cursor:pointer;padding:2px 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10px;font-size:11px;font-weight:600}.mode-switch-btn--active{background:var(--accent);color:#fff;border-color:var(--accent)}.controls-section-label{color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.5px;border-top:1px solid var(--border);padding-top:4px;font-size:10px;font-weight:600}.text-keyboard{flex-direction:column;gap:8px;display:flex}.text-input-row{align-items:center;gap:4px;display:flex}.text-input{background:var(--bg-base);border:1px solid var(--border);font-family:var(--font-mono);color:var(--text-primary);flex:1;padding:4px 6px;font-size:11px}.text-input::placeholder{color:var(--text-tertiary)}.text-charmap{color:var(--text-tertiary);word-break:break-all;font-size:10px;line-height:1.6}.text-charmap-label{margin-right:4px;font-weight:600}.text-charmap-chars{font-family:var(--font-mono);letter-spacing:1px}.keyboard-key--action{border:1px solid var(--border);background:var(--bg-elevated);min-width:32px;height:24px;font-family:var(--font-sans);cursor:pointer;justify-content:center;align-items:center;padding:0 3px;font-size:9px;font-weight:700;display:flex}.keyboard-key--clear{color:var(--red)}.assign-cell--logo{background:var(--bg-surface)}.about-panel{flex-direction:column;gap:8px;padding:8px 0;display:flex}.about-title{color:var(--text-primary);font-size:14px;font-weight:600}.about-version{font-size:11px;font-family:var(--font-mono);color:var(--text-tertiary)}.about-desc{color:var(--text-secondary);font-size:12px;line-height:1.6}.about-section-title{color:var(--text-primary);text-transform:uppercase;letter-spacing:.5px;font-size:11px;font-weight:600}.about-steps{color:var(--text-secondary);padding-left:16px;font-size:12px;line-height:1.8}.about-support{color:var(--accent);margin-top:4px;font-size:12px;text-decoration:none;display:inline-block}.color-input{border:1px solid var(--border);cursor:pointer;background:0 0;width:32px;height:24px;padding:0}.color-input::-webkit-color-swatch-wrapper{padding:0}.color-input::-webkit-color-swatch{border:none}.gradient-colors{flex-wrap:wrap;align-items:center;gap:4px;display:flex}.color-swatch{width:32px;height:24px;position:relative}.color-remove{color:#fff;cursor:pointer;background:#00000080;border:none;justify-content:center;align-items:center;width:12px;height:12px;padding:0;font-size:9px;line-height:1;display:flex;position:absolute;top:1px;right:1px}.gradient-add{width:32px;height:24px;padding:0;font-size:14px;line-height:1}.pattern-editor{flex-direction:column;align-items:flex-start;gap:8px;display:flex}.pattern-actions{gap:4px;display:flex}.btn-sm--active{background:var(--accent);color:#fff;border-color:var(--accent)}.pattern-canvas{justify-content:center;display:flex}.tile-grid,.tiling-grid{flex-direction:column;gap:1px;display:flex}.tile-row{gap:1px;display:flex}.tile-cell{border:1px solid var(--border);background:var(--bg-base);cursor:pointer;width:22px;height:22px;padding:0}.tile-cell--lit{background:var(--text-secondary)}.tile-cell{touch-action:none}.gradient-presets{flex-wrap:wrap;flex:1;gap:4px;display:flex}.gradient-preset-btn{border:1px solid var(--border);cursor:pointer;width:32px;height:16px;padding:0}