:root{--bg: #f4f5f7;--surface: #ffffff;--surface-2: #fafbfc;--border: #e3e5e9;--border-strong: #cdd1d8;--text: #1a1d23;--text-soft: #5b616e;--text-faint: #8a909c;--accent: #1d4ed8;--accent-soft: #e8eefc;--accent-strong: #1740b0;--danger: #d92c2c;--radius: 10px;--radius-sm: 7px;--shadow-sm: 0 1px 2px rgba(20, 24, 33, .06), 0 1px 1px rgba(20, 24, 33, .04);--shadow-md: 0 8px 24px rgba(20, 24, 33, .12);color-scheme:light;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased}button{font-family:inherit}.hidden-input{display:none}.app-shell{display:flex;flex-direction:column;height:100vh;overflow:hidden}.app-body{flex:1;display:flex;min-height:0}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 18px;background:var(--surface);border-bottom:1px solid var(--border);z-index:5}.toolbar-brand{display:flex;align-items:center;gap:10px}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--accent);color:#fff;font-size:18px}.toolbar-brand strong{display:block;font-size:14px;line-height:1.1}.toolbar-brand small{color:var(--text-faint);font-size:11.5px}.toolbar-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.toolbar-group{display:flex;align-items:center;gap:6px;position:relative}.toolbar button{height:34px;padding:0 12px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--surface);color:var(--text);font-size:13px;cursor:pointer;transition:background .12s,border-color .12s,color .12s}.toolbar button:hover:not(:disabled){background:var(--surface-2);border-color:var(--text-faint)}.toolbar button:disabled{opacity:.4;cursor:default}.toolbar button.primary{background:var(--accent);border-color:var(--accent);color:#fff}.toolbar button.primary:hover:not(:disabled){background:var(--accent-strong);border-color:var(--accent-strong)}.toolbar button.toggle.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-strong)}.export-menu .dropdown{position:absolute;top:calc(100% + 6px);right:0;min-width:200px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:6px;display:flex;flex-direction:column;z-index:20}.dropdown button{width:100%;height:32px;border:none;background:transparent;text-align:left;padding:0 10px;border-radius:6px;font-size:13px;cursor:pointer}.dropdown button:hover{background:var(--accent-soft);color:var(--accent-strong)}.dropdown-divider{height:1px;background:var(--border);margin:5px 4px}.left-rail{position:relative;display:flex;border-right:1px solid var(--border);background:var(--surface)}.left-rail.open{width:296px}.rail-toggle{position:absolute;top:14px;right:-13px;width:26px;height:26px;border-radius:50%;border:1px solid var(--border-strong);background:var(--surface);cursor:pointer;box-shadow:var(--shadow-sm);z-index:4;font-size:14px;line-height:1}.left-panel{width:100%;overflow-y:auto;padding:18px 16px 28px}.left-panel section+section{margin-top:26px}.left-panel h3{margin:0 0 4px;font-size:13px;letter-spacing:.02em}.panel-hint{margin:0 0 12px;color:var(--text-faint);font-size:12px;line-height:1.4}.template-list,.preset-list{display:flex;flex-direction:column;gap:8px}.template-card,.preset-card{text-align:left;border:1px solid var(--border);background:var(--surface);border-radius:var(--radius);padding:11px 13px;cursor:pointer;transition:border-color .12s,box-shadow .12s,background .12s}.template-card:hover,.preset-card:hover{border-color:var(--accent);box-shadow:var(--shadow-sm)}.preset-card.active{border-color:var(--accent);background:var(--accent-soft)}.template-card strong,.preset-card strong{display:block;font-size:13px;margin-bottom:3px}.template-card span,.preset-card span{display:block;color:var(--text-soft);font-size:11.5px;line-height:1.4}.canvas-viewport{flex:1;position:relative;overflow:hidden;background-color:#eef0f3;background-image:radial-gradient(circle,#d6d9de 1px,transparent 1px);background-size:22px 22px;cursor:default}.canvas-svg{display:block;touch-action:none}.phase-handle:hover,.width-handle:hover{fill:var(--accent-strong)}.node-control rect{transition:fill .1s}.node-control:hover rect{fill:var(--accent-strong)}.canvas-controls{position:absolute;bottom:16px;right:16px;display:flex;align-items:center;gap:4px;padding:5px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.canvas-controls button{width:30px;height:30px;border:none;background:transparent;border-radius:6px;cursor:pointer;font-size:15px;color:var(--text)}.canvas-controls button:hover{background:var(--accent-soft);color:var(--accent-strong)}.canvas-zoom-label{font-size:12px;color:var(--text-soft);min-width:42px;text-align:center}.right-panel{width:324px;flex-shrink:0;border-left:1px solid var(--border);background:var(--surface);display:flex;flex-direction:column;min-height:0}.tab-bar{display:flex;gap:4px;padding:10px 12px 0;border-bottom:1px solid var(--border)}.tab{flex:1;height:34px;border:none;background:transparent;border-bottom:2px solid transparent;color:var(--text-soft);font-size:13px;cursor:pointer}.tab.active{color:var(--accent-strong);border-bottom-color:var(--accent);font-weight:600}.right-panel-content{flex:1;overflow-y:auto;padding:18px 16px 28px}.inspector-empty{color:var(--text-faint);font-size:13px;line-height:1.5}.inspector-body h3{margin:0 0 14px;font-size:14px}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.field>span{font-size:12px;color:var(--text-soft);font-weight:500}.field input,.field textarea,.field select,.control-row select,.reason-row input{width:100%;border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:8px 10px;font-size:13px;font-family:inherit;background:var(--surface);color:var(--text);resize:vertical}.field input:focus,.field textarea:focus,.field select:focus,.reason-row input:focus,.control-row select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.hint{color:var(--text-faint);font-size:11.5px}.reasons{display:flex;flex-direction:column;gap:8px;margin:6px 0 12px}.reasons-title{font-size:12px;color:var(--text-soft);font-weight:500}.reason-row{display:grid;grid-template-columns:1fr 76px 22px;gap:6px;align-items:center}.reason-remove{border:none;background:transparent;color:var(--danger);font-size:17px;cursor:pointer;line-height:1}.reason-auto{font-size:10px;color:var(--text-faint);text-align:center}.delta-summary{margin-top:10px;font-size:12.5px;color:var(--text-soft);padding:8px 10px;background:var(--surface-2);border-radius:var(--radius-sm)}.ghost-button{border:1px dashed var(--border-strong);background:transparent;color:var(--text-soft);border-radius:var(--radius-sm);padding:8px 12px;font-size:12.5px;cursor:pointer;width:100%}.ghost-button:hover{border-color:var(--accent);color:var(--accent-strong)}.danger-button{border:1px solid #eccccc;background:#fdf3f3;color:var(--danger);border-radius:var(--radius-sm);padding:8px 12px;font-size:13px;cursor:pointer;margin-top:6px}.danger-button:hover{background:#fae4e4}.panel-stack{display:flex;flex-direction:column;gap:22px}.control-group h4{margin:0 0 12px;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint)}.control-row{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.control-row>label{display:flex;justify-content:space-between;align-items:baseline;font-size:12.5px;color:var(--text-soft)}.range-value{font-size:12px;color:var(--text-faint);font-variant-numeric:tabular-nums}.control-row.range input[type=range]{width:100%;accent-color:var(--accent)}.segmented{display:inline-flex;border:1px solid var(--border-strong);border-radius:var(--radius-sm);overflow:hidden}.segmented button{border:none;background:var(--surface);padding:7px 14px;font-size:12.5px;cursor:pointer;color:var(--text-soft)}.segmented button.active{background:var(--accent);color:#fff}.checkbox-row{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-soft);cursor:pointer}.checkbox-row input{accent-color:var(--accent)}.figure-width-row{display:flex;gap:6px}.figure-width-row .chip{flex:1;display:flex;flex-direction:column;gap:2px;align-items:center;border:1px solid var(--border-strong);background:var(--surface);border-radius:var(--radius-sm);padding:8px 4px;font-size:11.5px;cursor:pointer;color:var(--text-soft)}.figure-width-row .chip small{color:var(--text-faint);font-size:10px}.figure-width-row .chip.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-strong)}.modal-overlay{position:fixed;inset:0;background:#11141a80;display:flex;align-items:center;justify-content:center;padding:24px;z-index:50}.modal{background:var(--surface);border-radius:16px;width:100%;max-width:640px;max-height:86vh;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-md)}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border)}.modal-header h2{margin:0;font-size:17px}.modal-close{border:none;background:transparent;font-size:24px;line-height:1;cursor:pointer;color:var(--text-faint)}.modal-body{padding:14px 22px 24px;overflow-y:auto}.modal-body section{margin-top:16px}.modal-body h3{margin:0 0 6px;font-size:13.5px;color:var(--accent-strong)}.modal-body ul{margin:0;padding-left:18px;color:var(--text-soft);font-size:13px;line-height:1.55}.shortcut-list{list-style:none;padding-left:0;display:flex;flex-direction:column;gap:4px}kbd{display:inline-block;border:1px solid var(--border-strong);border-bottom-width:2px;border-radius:4px;padding:1px 6px;font-size:11px;font-family:inherit;background:var(--surface-2);margin:0 1px}@media (max-width: 900px){.left-rail.open{width:240px}.right-panel{width:280px}}