:root{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#243349;background:#f7f9fc;font-synthesis:none;--accent: #1766dc;--line: #dce3ed;--muted: #778399;--highlight: #dceaff}*{box-sizing:border-box}body{margin:0;padding:0 28px}button,select,input{font:inherit}button,select{color:inherit;background:#fff;border:1px solid var(--line);border-radius:6px;font-size:12px}button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:30px;padding:5px 11px;cursor:pointer;white-space:nowrap}button:hover:not(:disabled){border-color:#aac4e8;background:#f2f7fe}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}a{color:#556880;text-decoration:none;font-size:12px}a:hover{color:var(--accent)}.app-header{display:flex;align-items:center;justify-content:space-between;gap:20px;max-width:1760px;margin:auto;height:84px}.brand{display:flex;align-items:center;gap:11px}.brand img{object-fit:contain}h1{margin:0;font-size:18px;font-weight:650;letter-spacing:-.45px}nav{display:flex;gap:22px}.workspace{max-width:1760px;margin:auto;height:calc(100dvh - 126px);min-height:520px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 4px 20px #16375705}.toolbar{display:flex;align-items:center;gap:20px;min-height:58px;padding:12px 18px;border-bottom:1px solid var(--line);background:#fcfdff}.settings{display:flex;align-items:center;gap:20px;flex:1}label{display:inline-flex;align-items:center;gap:9px;font-size:12px;color:#556880;white-space:nowrap}select{padding:5px 7px}.checkbox{gap:6px}input[type=checkbox]{accent-color:var(--accent);width:13px;height:13px;margin:0}.export-actions{display:flex;gap:8px}.panes{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);min-height:0;flex:1}.pane{display:flex;flex-direction:column;min-height:0;min-width:0}.source-pane{border-right:1px solid var(--line)}.pane-header{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:74px;padding:16px 20px;border-bottom:1px solid #eaf0f6}h2{margin:0;font-size:13px;font-weight:650}.pane-header p{margin:5px 0 0;font-size:11px;color:var(--muted)}.pane-actions{display:flex;align-items:center;gap:12px}#clear{border-color:transparent;color:var(--muted);padding-inline:4px}.tabs{display:flex;background:#edf1f6;border-radius:7px;padding:3px;flex-shrink:0}.tabs button{min-height:27px;border:0;background:none;font-size:12px;padding:4px 12px}.tabs button[aria-selected=true]{background:var(--accent);color:#fff;box-shadow:0 1px 3px #1557af22}.editor{flex:1;min-height:0;overflow:hidden}.cm-editor{height:100%;font:13px/1.65 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.cm-editor.cm-focused{outline:none}.cm-scroller{overflow:auto}.cm-content{padding:18px 0}.cm-line{padding-inline:18px}.cm-gutters{color:#b0bac9;background:#fff;border:0;padding-left:7px}.cm-lineNumbers .cm-gutterElement{min-width:27px;padding:0 5px 0 0}.cm-placeholder{color:#a1acbb}.cm-linked-highlight{background:var(--highlight);border-radius:2px;box-shadow:inset 0 -1px #8cb6f2}.cm-selectionBackground{background:#aacbff80!important}.output-panel{display:flex;flex-direction:column;flex:1;min-height:0}[hidden]{display:none!important}.graph-toolbar{display:flex;gap:6px;padding:9px 12px;border-bottom:1px solid var(--line);align-items:center}.graph-toolbar button{font-size:11px;min-height:28px;padding-inline:8px}.spacer{flex:1}#zoom-level{color:var(--muted);font-size:11px;min-width:32px;text-align:center;font-variant-numeric:tabular-nums}#graph-scroll{position:relative;flex:1;overflow:auto;min-height:0;background:#f6f8fb}#graph-canvas{width:max-content}#graph-canvas svg{display:block}#graph-canvas g[data-node-id]{cursor:pointer;outline:none}#graph-canvas g[data-node-id]:hover>rect{stroke:var(--accent)}#graph-canvas g[data-node-id].is-selected>rect{fill:var(--highlight);stroke:var(--accent);stroke-width:2}#graph-canvas g[data-node-id]:focus-visible>rect{stroke:var(--accent);stroke-width:3}#graph-canvas g[data-collapse-id]{cursor:pointer;outline:none}#graph-canvas g[data-collapse-id]:hover rect,#graph-canvas g[data-collapse-id]:focus-visible rect{fill:#1766dc20}#graph-placeholder{margin:22px;color:#a1acbb;font:13px/1.65 ui-monospace,SFMono-Regular,Menlo,monospace}.graph-hint{margin:0;padding:9px 14px;font-size:10px;color:var(--muted);border-top:1px solid var(--line)}.status-bar{display:flex;gap:16px;justify-content:space-between;padding:10px 18px;border-top:1px solid var(--line);font-size:11px;color:var(--muted);min-height:35px}#status{overflow-wrap:anywhere}#status.error{color:#c23a38}#character-count{flex-shrink:0}footer{max-width:1760px;margin:auto;height:42px;padding-top:13px;color:var(--muted);font-size:10px}@media(max-width:960px){body{padding-inline:14px}.pane-header{flex-wrap:wrap;gap:10px;padding:13px 14px}.pane-actions{gap:7px}.settings{gap:12px}}@media(max-width:720px){body{padding-inline:10px}.app-header{height:70px;gap:10px}.brand{gap:6px}.brand img{width:30px;height:30px}h1{font-size:16px}nav a:first-child{display:none}.workspace{height:calc(100dvh - 112px);min-height:700px}.toolbar{flex-wrap:wrap;gap:9px;padding:10px 12px}.settings{order:3;flex-basis:100%;justify-content:space-between}.export-actions{margin-left:auto}.panes{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(200px,1fr) minmax(280px,1.3fr)}.source-pane{border-right:0;border-bottom:1px solid var(--line)}.pane-header{min-height:63px;flex-wrap:nowrap}.pane-header p{font-size:10px}.status-bar{padding-inline:12px;gap:6px;font-size:10px}}