.toolbar{color:#000;-webkit-user-select:none;user-select:none;z-index:10;background:#fff;border:1px solid #000;min-width:220px;padding:10px 12px;font-size:12px;line-height:1.6;position:absolute;top:12px;left:12px}.toolbar button{color:#000;cursor:pointer;background:#fff;border:1px solid #000;margin-top:6px;margin-right:4px;padding:4px 10px;font-family:inherit;font-size:12px;font-weight:600;display:inline-block;box-shadow:2px 2px #000}.toolbar button:hover:not(:disabled){color:#fff;background:#000}.toolbar button:disabled{opacity:.35;cursor:not-allowed}.project-row{cursor:pointer;background:#fff;border:1px solid #000;justify-content:space-between;align-items:center;gap:8px;margin-top:6px;padding:6px 8px;display:flex;box-shadow:2px 2px #000}.project-row.active{color:#fff;background:#000}.project-row.active .project-row__date{color:#ccc}.project-row__meta{flex-direction:column;min-width:0;display:flex}.project-row__id{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;font-weight:700}.project-row__date{color:#666;font-size:10px}.project-row__actions{gap:4px;display:flex}.project-row.active .project-row__btn{color:#000;background:#fff}.project-row.active .project-row__btn:hover{color:#fff;background:#000;border-color:#fff}.track{transform-origin:0 0;cursor:move;width:0;height:0;position:absolute;top:0;left:0}.track.root{color:#dc143c;z-index:1}.track.selected{color:#2b61d7;z-index:2}.train{transform-origin:0;cursor:move;width:0;height:0;position:absolute;top:0;left:0}.train:before{content:"";background:#fff;border:2px solid green;border-radius:3px 20px 20px 3px;width:72px;height:50px;position:absolute;transform:translate(-50%,-50%)}.train.selected:before{border-color:#2b61d7}.train.carriage:before{border-radius:3px}.workspace-shim{position:"absolute";transform-origin:0 0;width:0;height:0;top:0;left:0}.workspace{height:100%}.toolbox{border:2px solid #000;flex-direction:column;margin-block:10px;display:flex}.toolbox-item{color:#000;cursor:pointer;background:#fff;border:1px solid #000;padding:4px 10px;display:inline-block;box-shadow:2px 2px #000}.ghost svg{color:#0000}.ghost svg path{fill:#000}.ghost .port{display:none}main{touch-action:none;height:100%;position:relative;overflow:hidden}main:focus{outline:2px solid #2b61d7}.add-tracks{flex-wrap:wrap;gap:4px;margin-top:6px;display:flex}.toolbar .add-track-btn{text-transform:uppercase;min-width:36px;margin:0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.toolbar kbd{color:#000;background:#fff;border:1px solid #000;padding:0 5px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;font-weight:700;display:inline-block}.near-track-highlight{filter:drop-shadow(0 0 4px #f00c)}.ghost{filter:brightness(0)}.tracks,.trains{filter:drop-shadow(6px 6px #000)}html,body{height:100%;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;overflow:hidden}