:root{--bg: #ffffff;--bg-2: #f1f3f5;--ink: #1f2937;--muted: #6b7280;--line: #e5e7eb;--line-strong: #d1d5db;--accent: #dc2626;--accent-soft: #fdecec;--accent-soft-border: #f5c2c2;--success: #16a34a;--white: #ffffff;--sel: #dc2626;--font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--r: 6px;--r-lg: 10px;--shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .1);--ring: 0 0 0 3px rgba(220, 38, 38, .14)}[data-theme=dark]{--bg: #1b1e24;--bg-2: #0f1115;--ink: #e6e8ec;--muted: #99a1ad;--line: #2a2f38;--line-strong: #3a4150;--white: #232932;--accent-soft: rgba(220, 38, 38, .2);--accent-soft-border: rgba(220, 38, 38, .5);--success: #22c55e;--shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 2px 8px rgba(0, 0, 0, .45);--ring: 0 0 0 3px rgba(220, 38, 38, .28)}[data-theme=dark] .canvas-area{background-image:radial-gradient(circle,rgba(255,255,255,.06) 1px,transparent 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.icon-btn{width:30px;height:30px;border-color:transparent;color:var(--ink)}.align-toolbar .icon-btn:hover{background:var(--bg-2);border-color:transparent}.align-toolbar .icon-btn.danger:hover{background:var(--accent-soft);color:var(--accent)}.align-toolbar .tb-sep{width:1px;height:20px;background:var(--line);margin:0 5px}.canvas-rulers{flex:1;min-height:0;min-width:0;display:grid;grid-template-columns:26px 1fr;grid-template-rows:26px 1fr;grid-template-areas:"corner top" "left stage"}.canvas-rulers.no-rulers{grid-template-columns:1fr;grid-template-rows:1fr;grid-template-areas:"stage"}.ruler-corner{grid-area:corner;background:var(--bg);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.ruler{background:var(--bg);position:relative;overflow:hidden}.ruler-top{grid-area:top;border-bottom:1px solid var(--line)}.ruler-left{grid-area:left;border-right:1px solid var(--line)}.ruler-svg{display:block}.canvas-stage{grid-area:stage;display:grid;place-items:center;padding:60px;min-height:0;min-width:0;position:relative;overflow:auto}body.space-pan .canvas-stage{cursor:grab}body.space-pan .label-wrap{pointer-events:none}body.space-pan .label-wrap *{cursor:grab}body.space-pan .overlay,body.space-pan .overlay *{pointer-events:none!important}.label-wrap{filter:drop-shadow(0 28px 56px rgba(40,30,20,.18)) drop-shadow(0 4px 12px rgba(40,30,20,.12))}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.overlay>*{pointer-events:auto}.sel-outline{position:absolute;pointer-events:none;box-sizing:border-box}.sel-outline.layer{outline:1px solid var(--sel);outline-offset:-1px}.sel-outline.canvas{outline:1px dashed rgba(26,24,20,.35);outline-offset:0}.handle{position:absolute;width:10px;height:10px;margin-left:-5px;margin-top:-5px;background:#fff;border:1.5px solid var(--sel);border-radius:2px;z-index:5;pointer-events:auto}.handle.canvas{border-color:#6e6557;background:var(--bg);width:11px;height:11px;margin-left:-5.5px;margin-top:-5.5px}.handle.canvas:hover{border-color:var(--ink)}.handle.layer:hover{background:#fde8e8}.handle-rotate{position:absolute;width:12px;height:12px;margin-left:-6px;margin-top:-6px;background:#fff;border:1.5px solid var(--sel);border-radius:50%;z-index:6;cursor:grab;pointer-events:auto}.handle-rotate:hover{background:#fde8e8}.handle-rotate:active{cursor:grabbing}.rotate-stem{position:absolute;width:0;height:22px;border-left:1px solid var(--sel);pointer-events:none}.ctx-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40}.ctx-menu{position:fixed;z-index:41;min-width:190px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:4px}.ctx-menu 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56px}.slider:last-child{margin-bottom:0}.slider-label{font-family:var(--font);font-size:10px;letter-spacing:1px;color:var(--muted);text-transform:uppercase}.slider-range{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:3px;background:var(--line-strong);border-radius:2px;outline:none;margin:0}.slider-range::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:14px;height:14px;background:var(--ink);border-radius:50%;cursor:ew-resize}.slider-range::-moz-range-thumb{width:14px;height:14px;background:var(--ink);border-radius:50%;border:0;cursor:ew-resize}.slider-num{width:100%;background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:5px 6px;font-size:11px;text-align:right;color:var(--ink);outline:none}.slider-num:focus{border-color:var(--ink)}.slider-num::-webkit-outer-spin-button,.slider-num::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.slider-num{-moz-appearance:textfield}.corner-radius{display:flex;flex-direction:column;gap:4px}.corner-radius .ghost{margin-top:4px}.corner-row{display:flex;align-items:center;gap:6px}.corner-row .slider{flex:1;min-width:0}.corner-style-btn{flex:0 0 auto;width:26px;height:26px;display:grid;place-items:center;background:var(--white);border:1px solid var(--line);border-radius:var(--r);color:var(--ink);cursor:pointer}.corner-style-btn:hover{border-color:var(--ink);background:var(--bg-2)}.pin-control{display:flex;align-items:center;gap:14px}.pin-diagram{position:relative;width:64px;height:48px;border:1px dashed var(--line-strong);border-radius:var(--r);background:var(--white);flex:0 0 64px}.pin-center{position:absolute;top:14px;right:18px;bottom:14px;left:18px;border:1px solid var(--line);background:var(--bg-2)}.pin-cline{position:absolute;background:var(--line-strong);cursor:pointer;transition:background .12s;z-index:1}.pin-cline:hover{background:var(--muted)}.pin-cline.on{background:var(--accent)}.pin-cx{left:50%;transform:translate(-50%);top:17px;bottom:17px;width:3px}.pin-cy{top:50%;transform:translateY(-50%);left:25px;right:25px;height:3px}.pin-edge{position:absolute;background:var(--line-strong);cursor:pointer;transition:background .12s}.pin-edge:hover{background:var(--muted)}.pin-edge.on{background:var(--accent)}.pin-top{top:3px;left:14px;right:14px;height:3px}.pin-bottom{bottom:3px;left:14px;right:14px;height:3px}.pin-left{top:12px;bottom:12px;left:3px;width:3px}.pin-right{top:12px;bottom:12px;right:3px;width:3px}.pin-checks{display:grid;grid-template-columns:repeat(2,1fr);gap:4px 10px;font-size:11px;color:var(--ink)}.pin-check{display:flex;align-items:center;gap:5px;cursor:pointer}.pin-check input[type=checkbox]{margin:0}.snap-guide{position:absolute;pointer-events:none;z-index:6}.snap-guide.v{top:-20px;bottom:-20px;width:0;border-left:1px dashed var(--sel)}.snap-guide.h{left:-20px;right:-20px;height:0;border-top:1px dashed var(--sel)}.layer-list{display:flex;flex-direction:column;gap:3px}.layer-list::-webkit-scrollbar{width:6px}.layer-list::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:var(--r)}.layer-row{display:flex;align-items:center;gap:4px;padding:6px 8px;background:var(--white);border:1px solid var(--line);border-radius:var(--r);cursor:pointer;font-size:12px}.layer-row:hover{background:var(--bg-2)}.layer-row.drop-target{box-shadow:inset 0 2px 0 0 var(--accent);border-color:var(--accent)}.layer-row[draggable=true]:active{cursor:grabbing}.layer-row.on{border-color:var(--sel);background:var(--accent-soft);outline:1px solid var(--sel);outline-offset:-1px}.layer-row.hidden .layer-name{color:var(--muted);text-decoration:line-through}.layer-glyph{width:16px;height:16px;display:grid;place-items:center;color:var(--muted);flex:0 0 16px}.layer-row.on .layer-glyph{color:var(--accent)}.layer-name{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.layer-meta{font-family:var(--font);font-size:9.5px;color:var(--muted);letter-spacing:.5px;margin-right:4px}.layer-row .icon-btn{width:22px;height:22px;font-size:11px;border-color:transparent}.layer-row .icon-btn:hover{border-color:var(--line);background:var(--bg)}.layer-row .icon-btn:disabled{color:var(--line-strong);cursor:default;opacity:.4}.layer-row .icon-btn:disabled:hover{border-color:transparent;background:transparent}.layer-row.locked .layer-name{color:var(--muted)}.section{border-bottom:1px solid var(--line)}.section:last-child{border-bottom:0}.section-head{width:100%;display:flex;align-items:center;justify-content:space-between;background:transparent;border:0;padding:13px 16px;font-size:11px;letter-spacing:.8px;text-transform:uppercase;color:var(--muted);font-weight:600}.section-head:hover{color:var(--ink)}.section-head .chev{font-size:10px;color:var(--muted);transition:transform .15s ease}.section.collapsed .section-head .chev{transform:rotate(-90deg)}.section-body{padding:0 16px 16px}.section.collapsed .section-body{display:none}.topbar{display:flex;align-items:center;gap:18px;padding:0 16px;background:var(--bg);border-bottom:1px solid var(--line);z-index:20}.topbar .brand{border-bottom:0;padding:0;gap:10px;flex:0 0 auto}.topbar .brand-mark{width:30px;height:30px}.topbar .brand-name{font-size:13px}.doc-bar{display:flex;align-items:center;gap:12px;flex:1;min-width:0;padding-left:12px;border-left:1px solid var(--line)}.doc-name{background:transparent;border:1px solid transparent;border-radius:var(--r);padding:6px 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var(--line)}.rail-btn{width:38px;height:38px;display:grid;place-items:center;background:transparent;border:1px solid transparent;border-radius:var(--r);color:var(--muted)}.rail-btn:hover:not(:disabled){background:var(--bg-2);color:var(--ink)}.rail-btn.on{background:var(--accent-soft);color:var(--accent);border-color:var(--accent-soft-border)}.rail-btn:disabled{opacity:.4;cursor:default}.rail-spacer{flex:1}.leftpanel,.rightpanel{display:flex;flex-direction:column;min-height:0;background:var(--bg)}.leftpanel{border-right:1px solid var(--line)}.rightpanel{border-left:1px solid var(--line)}.lp-tabs,.rp-tabs{display:flex;border-bottom:1px solid var(--line);padding:0 8px}.lp-tabs button,.rp-tabs button{flex:1;background:transparent;border:0;padding:13px 4px;font-size:11px;font-weight:600;letter-spacing:.4px;text-transform:uppercase;color:var(--muted);border-bottom:2px solid transparent}.lp-tabs button:hover:not(:disabled),.rp-tabs button:hover:not(:disabled){color:var(--ink)}.lp-tabs 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16px;overflow-y:auto}.help-section{padding:16px 0;border-bottom:1px solid var(--line)}.help-section:last-child{border-bottom:0}.help-section h3{margin:0 0 10px;font-size:11px;letter-spacing:.8px;text-transform:uppercase;color:var(--muted);font-weight:600}.help-section ol,.help-section ul{margin:0;padding-left:20px}.help-section li{margin:6px 0;line-height:1.55;color:var(--ink)}.help-section b{font-weight:600}.kbd-grid{display:grid;grid-template-columns:max-content 1fr;gap:8px 18px;align-items:center}.kbd-keys{white-space:nowrap}.kbd-label{color:var(--muted);line-height:1.4}kbd{display:inline-block;font:11px var(--mono);background:var(--bg-2);border:1px solid var(--line-strong);border-bottom-width:2px;border-radius:4px;padding:1px 6px;margin:0 1px;color:var(--ink)}