:root{--bg:#fafafa;--panel:#f3f3f3;--line:#d8d8d8;--ink:#1b1b1b;--muted:#666;--accent:#1a5fb4;--red:#d62828;--orange:#f58a07;--green:#2fa84f;--strip:128px;--right:340px;--top:42px;--opt:40px;--status:30px}*{box-sizing:border-box}html,body{height:100%;color:var(--ink);background:var(--bg);margin:0;font:13px/1.35 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;overflow:hidden}#app{grid-template-rows:var(--top) var(--opt) 1fr auto var(--status);height:100vh;display:grid}#console{border-top:1px solid var(--line);background:#fff;flex-direction:column;height:190px;min-height:0;display:flex}#console[hidden]{display:none}#console .console-bar{border-bottom:1px solid var(--line);background:var(--panel);align-items:center;gap:8px;padding:4px 10px;display:flex}#console .console-bar input.lines{width:64px;font:inherit;border:1px solid var(--line);border-radius:3px;padding:1px 4px}#console .console-note{color:var(--muted);border-bottom:1px solid #eee;margin:0;padding:4px 10px;font-size:12px}#console .console-body{padding:4px 10px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;line-height:1.4;overflow:auto}#console .entry{margin-bottom:2px}#console .input .time{color:var(--muted)}#console .effect{color:#444;padding-left:24px}#topbar{background:var(--panel);border-bottom:1px solid var(--line);align-items:center;gap:8px;padding:0 10px;display:flex}#topbar .filename{margin-right:8px;font-weight:600}#topbar .spacer{flex:1}#optionbar{border-bottom:1px solid var(--line);min-height:var(--opt);background:#fff;flex-wrap:wrap;align-items:center;gap:4px 10px;min-width:0;padding:2px 10px;display:flex;overflow:hidden}#optionbar .tool-name{color:var(--accent);margin-right:6px;font-weight:600}#optionbar label{color:var(--muted);white-space:nowrap;align-items:center;gap:4px;display:inline-flex}#optionbar input[type=number],#optionbar input[type=text]{width:76px}#optionbar .hint{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;flex:0 auto;min-width:0;margin-left:auto;font-style:italic;overflow:hidden}#optionbar .auto-resolve{white-space:nowrap;margin-left:12px}#optionbar .turnout-schematic{width:84px;height:30px;display:block}#optionbar .turnout-schematic-wrap{border:1px solid var(--line);background:#fff;border-radius:4px;align-items:center;padding:0 2px;display:inline-flex}#main{grid-template-columns:var(--strip) 1fr var(--right);min-height:0;display:grid}#toolstrip{background:var(--panel);border-right:1px solid var(--line);flex-direction:column;gap:2px;padding:6px 4px;display:flex;overflow-y:auto}#toolstrip button{text-align:left;cursor:pointer;width:100%;font:inherit;color:var(--ink);background:0 0;border:1px solid #0000;border-radius:6px;align-items:center;gap:8px;padding:5px 6px;display:flex}#toolstrip button:hover{background:#e9e9e9}#toolstrip button.active{color:var(--accent);background:#dce8f7;border-color:#b9cfec;font-weight:600}#toolstrip button .icon{justify-content:center;align-items:center;width:22px;height:22px;font-size:15px;display:inline-flex}#toolstrip .group{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:8px 6px 2px;font-size:11px}#canvas-wrap{background:#fff;min-width:0;min-height:0;position:relative}#canvas{cursor:default;width:100%;height:100%;display:block}#tooltip{pointer-events:none;color:#fff;white-space:nowrap;background:#1e1e1eeb;border-radius:4px;padding:4px 8px;font-size:12px;position:absolute}#tool-tip{z-index:30;background:#fffbe6;border:1px solid #e0c96a;border-radius:5px;max-width:320px;padding:6px 9px;font-size:12.5px;position:fixed;box-shadow:0 2px 8px #00000026}#tool-tip .name{font-weight:600}#tool-tip .desc{color:#444;margin-top:3px}#tool-tip .key{color:var(--muted);margin-top:3px;font-size:11px}#right{border-left:1px solid var(--line);background:var(--panel);flex-direction:column;min-height:0;display:flex}#object-panel,#layers-panel{padding:10px 12px;overflow:auto}#object-panel{flex:0 auto;max-height:60vh}#layers-panel{border-top:1px solid var(--line);flex:160px;min-height:160px}#right h2{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:0 0 8px;font-size:12px}#right h3{margin:0 0 6px;font-size:14px}.fields{grid-template-columns:auto 1fr;align-items:center;gap:5px 10px;display:grid}.fields label{color:var(--muted);white-space:nowrap}.fields label .mark{vertical-align:middle;border-radius:50%;width:9px;height:9px;margin-right:6px;display:inline-block}.fields input[readonly]{color:#555;background:#f6f6f6}.fields input[type=checkbox]{justify-self:start;width:auto;margin:0}.legend-note{color:var(--muted);margin:-4px 0 8px;font-size:12px}.fields input,.fields select{width:100%;font:inherit;border:1px solid var(--line);background:#fff;border-radius:3px;padding:2px 4px}.fields .pair{grid-template-columns:auto 1fr auto 1fr;align-items:center;gap:4px;display:grid}.fields .pair span{color:var(--muted)}.fields input.hot{outline:2px solid var(--accent)}.schematic{border:1px solid var(--line);background:#fff;border-radius:4px;width:100%;height:110px;margin-bottom:8px}.schematic .dim{stroke:#888;stroke-width:1px;fill:none}.schematic .dim-label{fill:#555;font-size:10px}.schematic .track{stroke:#111;stroke-width:2.5px;fill:none}.schematic .diverge{stroke:var(--accent);stroke-width:2.5px;fill:none}.schematic g.hot .dim{stroke:var(--accent);stroke-width:2px}.schematic g.hot .dim-label{fill:var(--accent);font-weight:700}.readouts{white-space:pre;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;line-height:1.5}.readouts .fail{color:var(--red);font-weight:600}.readouts .pass{color:var(--green)}table.layers{border-collapse:collapse;width:100%}table.layers th{background:var(--panel);text-align:left;color:var(--muted);border-bottom:1px solid var(--line);padding:2px 4px 4px;font-size:11px;font-weight:600;position:sticky;top:0}table.layers th:nth-child(-n+3),table.layers td:nth-child(-n+3){text-align:center;width:44px}table.layers td{vertical-align:top;border-bottom:1px solid #e6e6e6;padding:4px}table.layers tr.deck-head td{color:var(--ink);cursor:pointer;padding-top:10px;font-weight:600}table.layers tr.deck-head:hover td{background:#ececec}table.layers tr.deck-head.selected td{color:var(--accent);background:#dce8f7}table.layers tr.drawing td{background:#eef4fc}table.layers .layer-cell{padding-left:16px}table.layers .layer-name{font-weight:500}table.layers .layer-limits{color:var(--muted);margin-top:1px;font-size:11px}#status{background:var(--panel);border-top:1px solid var(--line);color:var(--ink);white-space:nowrap;text-overflow:ellipsis;align-items:center;padding:0 10px;display:flex;overflow:hidden}#status.err{color:var(--red)}#status .cursor{font-variant-numeric:tabular-nums;min-width:200px;color:var(--muted);white-space:pre}#status .msg{text-overflow:ellipsis;text-align:right;min-width:0;margin-left:auto;overflow:hidden}#status .flags{color:var(--red);margin-left:16px;font-weight:600}#status .flags.ok{color:var(--green)}[hidden]{display:none!important}#drawer{top:var(--top);right:0;bottom:var(--status);border-left:1px solid var(--line);z-index:20;background:#fff;flex-direction:column;width:520px;display:flex;position:fixed;box-shadow:-4px 0 16px #0000001f}#drawer .drawer-bar{border-bottom:1px solid var(--line);background:var(--panel);align-items:center;gap:8px;padding:8px 12px;display:flex}#drawer .drawer-search{font:inherit;border:1px solid var(--line);border-radius:4px;flex:1;padding:4px 8px}#drawer .hit{cursor:pointer;border-bottom:1px solid #eee;padding:6px 8px}#drawer .hit:hover{background:#f3f6fb}#drawer .hit mark{background:#fff2a8}.toast{z-index:15;color:#fff;pointer-events:none;background:#1a5fb4f2;border-radius:5px;max-width:420px;padding:6px 10px;font-size:13px;line-height:1.35;position:absolute;box-shadow:0 2px 8px #0003}.toast.err{background:#c62828f2}#topbar button.help{font-weight:600}#topbar .icon-btn{border:1px solid var(--line);width:36px;height:30px;color:var(--ink);cursor:pointer;background:#fff;border-radius:4px;justify-content:center;align-items:center;padding:0;display:inline-flex}#topbar .icon-btn:hover:not(:disabled){color:var(--accent);background:#eef4fc}#topbar .icon-btn:disabled{opacity:.35;cursor:default}.page{top:var(--top);left:0;right:0;bottom:var(--status);z-index:25;background:#fff;flex-direction:column;display:flex;position:fixed}.page[hidden]{display:none}.page .page-bar{border-bottom:1px solid var(--line);background:var(--panel);align-items:center;gap:12px;padding:8px 16px;display:flex}.page .page-body{padding:16px;overflow:auto}.page .plans{display:block}.page .plans .plan-card{vertical-align:top;width:260px;margin:0 16px 16px 0;display:inline-block}.page .plans .plans-heading{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:8px 0;font-size:12px}.plan-card{text-align:left;font:inherit;border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:6px;padding:8px}.plan-card:hover{border-color:var(--accent);box-shadow:0 2px 8px #0000001f}.plan-card canvas{border:1px solid #eee;border-radius:4px;width:100%;height:auto;margin-bottom:6px;display:block}.plan-card .plan-name{margin-bottom:2px;font-weight:600}table.keys{border-collapse:collapse}table.keys th,table.keys td{text-align:left;border-bottom:1px solid #eee;padding:4px 12px 4px 0}table.keys button.key{font:inherit;border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:4px;min-width:90px;padding:2px 8px;font-family:ui-monospace,Menlo,Consolas,monospace}table.keys button.key.changed{border-color:var(--accent);color:var(--accent)}.key-message{min-height:1.4em;color:var(--accent);margin:0 0 8px}#drawer .drawer-body{padding:12px 16px;overflow:auto}#drawer .drawer-body img{max-width:100%}#drawer .drawer-body pre{background:#f5f5f5;padding:8px;font-size:12px;overflow:auto}#drawer .drawer-body table{border-collapse:collapse;font-size:12px}#drawer .drawer-body td,#drawer .drawer-body th{vertical-align:top;border:1px solid #ddd;padding:3px 6px}#drawer .drawer-body code{background:#f0f0f0;border-radius:3px;padding:0 3px}button.small{font:inherit;border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:4px;padding:3px 9px}button.small:hover{background:#f0f0f0}button.small.primary{background:var(--accent);color:#fff;border-color:var(--accent)}button.small:disabled{opacity:.45;cursor:default}.toggle{border:1px solid var(--line);border-radius:4px;display:inline-flex;overflow:hidden}.toggle button{font:inherit;cursor:pointer;background:#fff;border:0;padding:2px 8px}.toggle button.on{background:var(--accent);color:#fff}.list{margin:0;padding:0;list-style:none}.list li{border-bottom:1px solid #eee;padding:4px 0}.list li.fail{color:var(--red)}.muted{color:var(--muted)}.menu{z-index:25;border:1px solid var(--line);background:#fff;border-radius:6px;min-width:220px;padding:4px 0;position:fixed;box-shadow:0 4px 12px #00000026}.menu button{text-align:left;width:100%;font:inherit;cursor:pointer;background:0 0;border:0;padding:6px 12px;display:block}.menu button:hover{background:#f0f4fa}#optionbar .piece-picker{align-items:center;gap:4px;display:inline-flex}#optionbar .piece-current{font:inherit;border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:4px;align-items:center;gap:6px;max-width:230px;padding:1px 6px;display:inline-flex}#optionbar .piece-current .brand{display:none}#optionbar .piece-current .name{max-width:110px}.part-picture{flex:none;width:48px;height:18px}.part-picture-large{width:100%;height:110px}.piece-current .part,.piece-row .part{color:#444;min-width:52px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px}.piece-current .name,.piece-row .name{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.piece-list{z-index:50;border:1px solid var(--line);background:#fff;border-radius:6px;flex-direction:column;width:480px;max-width:calc(100vw - 16px);max-height:70vh;display:flex;position:fixed;box-shadow:0 6px 20px #0000002e}.piece-head{border-bottom:1px solid var(--line);background:var(--panel);flex-wrap:wrap;align-items:center;gap:8px;padding:6px 8px;display:flex}.piece-head .piece-search{min-width:120px;font:inherit;border:1px solid var(--line);border-radius:4px;flex:160px;padding:3px 6px}.piece-head .in-my-box{color:#444;white-space:nowrap;font-size:12px}.piece-head .in-my-box input[type=number]{width:52px}.piece-body{padding:4px;overflow:auto}.piece-heading{letter-spacing:.04em;text-transform:uppercase;color:#666;align-items:center;gap:6px;padding:6px 6px 2px;font-size:11px;font-weight:600;display:flex}.piece-heading.library{cursor:pointer;text-transform:none;letter-spacing:0;color:#222;border-top:1px solid #eee;margin-top:2px;font-size:13px}.piece-heading.library span:before{content:"▸ ";color:#999}.piece-heading.library.open span:before{content:"▾ "}.piece-row{border-radius:4px;align-items:center;gap:4px;width:100%;padding:1px 4px;display:flex}.piece-row:hover{background:#eef3fb}.piece-row.on{background:#dde8fa}.piece-row .piece-main{text-align:left;font:inherit;cursor:pointer;background:0 0;border:0;flex:1;align-items:center;gap:8px;min-width:0;padding:2px 4px;display:flex}.piece-row .brand,.piece-current .brand{color:#666;min-width:40px;font-size:11px}.piece-row .star,.piece-list .star{font:inherit;cursor:pointer;color:#bbb;background:0 0;border:0;padding:0 4px;font-size:15px;line-height:1}.piece-row .star.on{color:#e0a800}.kit-tick{margin:0 2px}.piece-body p.muted{margin:2px 8px 6px;font-size:12px}#optionbar .quick-strip{align-items:center;gap:2px;display:inline-flex}#optionbar .quick-strip .quick{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:4px;padding:1px;line-height:0;position:relative}#optionbar .quick-strip .quick.on{border-color:var(--accent);background:#dde8fa}#optionbar .quick-strip .quick .part-picture{width:30px;height:12px}#optionbar .quick-strip .quick .key{color:#888;font-size:9px;line-height:1;position:absolute;bottom:0;right:1px}.list li.gap{color:#1a5fb4}.list li.gap button{margin-left:4px}#dialog{z-index:60;background:#00000040;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}#dialog[hidden]{display:none}.dialog-box{border:1px solid var(--line);background:#fff;border-radius:8px;flex-direction:column;gap:8px;min-width:320px;padding:14px 16px;display:flex;box-shadow:0 8px 28px #00000040}.dialog-title{font-weight:600}.dialog-box input{font:inherit;border:1px solid var(--line);border-radius:4px;padding:4px 8px}.dialog-row{justify-content:flex-end;gap:8px;display:flex}.dialog-note{min-height:1em;font-size:12px}.gap-cell{flex-wrap:wrap;align-items:center;gap:6px;display:inline-flex}.gap-cell .gap-words{color:#1a5fb4;font-size:12px}button.fill,button.move{white-space:nowrap}button.small.greyed{opacity:.45;cursor:default}.page .settings .settings-heading{align-items:baseline;gap:10px;margin:14px 0 6px;display:flex}.page .settings .settings-heading h3{margin:0}table.settings-table th{white-space:nowrap;font-weight:500}table.settings-table input[type=number],table.settings-table input:not([type]){font:inherit;border:1px solid var(--line);border-radius:4px;width:90px;padding:2px 6px}table.settings-table select{font:inherit;padding:2px 6px}table.settings-table .kit-libraries{flex-direction:column;gap:2px;display:flex}table.settings-table .favorites{flex-wrap:wrap;align-items:center;gap:6px;display:inline-flex}table.settings-table .favorite{border:1px solid var(--line);border-radius:4px;padding:1px 6px}table.settings-table .toggle button.on{background:var(--accent);color:#fff}