:root{color:var(--color-text-primary);background:var(--color-page-bg);font-family:ui-rounded,SF Pro Rounded,PingFang SC,Microsoft YaHei,system-ui,sans-serif;font-synthesis:none;--color-primary: #087CFF;--color-primary-hover: #0067E6;--color-primary-active: #0054C2;--color-primary-soft: #EAF4FF;--color-primary-selected: #E3F0FF;--color-accent-orange: #FFB347;--color-accent-teal: #00BFC4;--color-accent-pink: #FF7192;--color-accent-purple: #A77BE8;--color-accent-yellow: #FFD66B;--color-page-bg: #FAFBFD;--color-canvas-bg: #FFFDF9;--color-panel-bg: #FFFFFF;--color-toolbar-bg: #FFFFFF;--color-text-primary: #173B72;--color-text-secondary: #647895;--color-text-disabled: #A9B7C8;--color-border: #E1E9F2;--color-grid: #E9EEF3;--color-border-active: #CFE4FF;--color-button-secondary: #EDF3FB;--color-button-secondary-hover: #DFEBFA;--color-danger: #E5484D;--color-danger-soft: #FFF0F1;--editor-selection: var(--color-primary);--editor-cut: var(--color-accent-teal);--editor-snap: #F59E0B;--editor-transform: #8B5CF6;--editor-error: var(--color-danger);--editor-neutral: var(--color-text-secondary);--editor-handle-fill: #FFFFFF;--editor-handle-border: var(--editor-selection);--editor-handle-size: 9px;--editor-handle-hover-size: 12px;--editor-handle-hit-size: 24px;--editor-transform-handle-size: 26px;--editor-transform-hit-size: 36px;--editor-selection-width: 2px;--shadow-toolbar: 0 4px 16px rgba(23, 59, 114, .08);--shadow-panel: 0 6px 24px rgba(23, 59, 114, .08);--shadow-button: 0 2px 6px rgba(8, 124, 255, .15);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-floating: 16px}*{box-sizing:border-box}body{margin:0;min-width:320px;overflow:hidden}button{font:inherit}button:focus-visible,input:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.app-shell{min-height:100dvh;display:grid;grid-template-rows:68px 1fr 34px;background:var(--color-page-bg)}.topbar,.statusbar{display:flex;align-items:center;justify-content:space-between;padding:0 22px;background:var(--color-panel-bg);border-color:var(--color-border)}.topbar{border-bottom:1px solid var(--color-border)}.statusbar{border-top:1px solid var(--color-border);color:var(--color-text-secondary);font-size:12px}.brand-lockup,.header-actions{display:flex;align-items:center;gap:10px}.brand-lockup{color:var(--color-text-primary);font-weight:720;letter-spacing:-.02em}.brand-icon{display:block;flex:0 0 38px;width:38px;height:38px;border-radius:10px;object-fit:cover}.document-name{width:170px;padding:5px 8px;border:1px solid transparent;border-radius:var(--radius-sm);outline:0;color:var(--color-text-secondary);background:transparent;font:inherit;font-size:13px;font-weight:500;letter-spacing:0}.document-name:hover,.document-name:focus{border-color:var(--color-border);background:var(--color-panel-bg);color:var(--color-text-primary)}.quiet-button,.primary-button,.view-controls button,.tool-dock button,.shape-buttons button{border:0;background:transparent;cursor:pointer;transition:background .16s ease,transform .16s ease}.quiet-button{color:var(--color-text-primary);padding:8px 10px;border-radius:var(--radius-sm)}.quiet-button:hover{background:var(--color-primary-soft)}.primary-button{color:#fff;background:var(--color-primary);border-radius:var(--radius-md);padding:10px 14px;font-weight:650;box-shadow:var(--shadow-button)}.primary-button:hover{background:var(--color-primary-hover)}.primary-button:active{background:var(--color-primary-active)}.primary-button:active,.tool-dock button:active,.shape-buttons button:active{transform:scale(.98)}.canvas-stage{position:relative;overflow:hidden;touch-action:none;-webkit-user-select:none;user-select:none;background-color:var(--color-canvas-bg)}.canvas-stage.with-grid{background-image:linear-gradient(var(--color-grid) .7px,transparent .7px),linear-gradient(90deg,var(--color-grid) .7px,transparent .7px);background-size:24px 24px;background-position:calc(50% + var(--x, 0px)) calc(50% + var(--y, 0px))}.paper-canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;touch-action:none;outline:0}.paper-canvas.is-panning,.canvas-stage.is-panning,.canvas-stage.is-panning *{cursor:grabbing!important}.selection-box,.marquee-box{position:absolute;pointer-events:none}.selection-box{z-index:1}.marquee-box{z-index:2;background:#087cff14}.selection-box[hidden],.marquee-box[hidden]{display:none}.selection-outline-layer{position:absolute;z-index:0;top:0;right:0;bottom:0;left:0;width:100%;height:100%;overflow:visible;pointer-events:none}.selection-outline-path{fill:none;stroke:var(--editor-selection);stroke-width:var(--editor-selection-width);stroke-linejoin:round;stroke-linecap:round;vector-effect:non-scaling-stroke}.vertex-handle{position:absolute;z-index:2;width:var(--editor-handle-size);height:var(--editor-handle-size);padding:0;border:2px solid var(--editor-handle-border);border-radius:50%;background:var(--editor-handle-fill);pointer-events:auto;touch-action:none;transform:translate(-50%,-50%);cursor:grab}.vertex-handle:before{position:absolute;top:-7px;right:-7px;bottom:-7px;left:-7px;content:""}.vertex-handle:hover{width:var(--editor-handle-hover-size);height:var(--editor-handle-hover-size)}.vertex-handle:active{background:var(--editor-handle-fill);cursor:grabbing}.transform-handle{position:absolute;z-index:3;display:grid;width:var(--editor-transform-handle-size);height:var(--editor-transform-handle-size);padding:0;place-items:center;border:2px solid var(--editor-handle-fill);border-radius:50%;color:#fff;background:var(--editor-transform);box-shadow:0 0 0 1px var(--editor-transform),0 2px 6px #173b7229;pointer-events:auto;touch-action:none;transform:translate(-50%,-50%);cursor:grab}.transform-handle:hover{background:var(--editor-transform);box-shadow:0 0 0 2px #8b5cf659,0 2px 6px #173b7229;transform:translate(-50%,-50%) scale(1.1)}.transform-handle:active{cursor:grabbing}.rotate-handle:before{content:"↻";font-size:18px;line-height:1}.scale-handle{border-radius:5px}.scale-handle:before,.scale-handle:after{position:absolute;font-size:12px;line-height:1}.scale-handle:before{content:"↖";top:2px;left:2px}.scale-handle:after{content:"↘";right:2px;bottom:2px}.canvas-hint{position:absolute;z-index:3;top:20px;left:50%;max-width:min(520px,calc(100% - 300px));padding:8px 12px;border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);background:var(--color-panel-bg);box-shadow:var(--shadow-toolbar);font-size:12px;text-align:center;transform:translate(-50%);pointer-events:none}.canvas-message{top:104px;border-color:#f6d9a7;color:#76512c;background:#fffbf2}.snap-marker{position:absolute;z-index:4;width:12px;height:12px;border:2px solid rgba(255,255,255,.7);border-radius:50%;background:color-mix(in srgb,var(--editor-snap) 35%,transparent);box-shadow:0 0 0 2px color-mix(in 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var(--editor-cut),0 1px 3px #173b721f}.cut-anchor:before,.curve-control:before{position:absolute;top:-7px;right:-7px;bottom:-7px;left:-7px;content:""}.cut-anchor.cut-start{width:8px;height:8px;border-radius:2px;transform:translate(-50%,-50%) rotate(45deg);background:#00bfc473}.cut-anchor.cut-end{width:9px;height:9px;border-width:1.5px;background:#00bfc473;box-shadow:0 0 0 1px var(--editor-cut),0 1px 4px #173b721f}.cut-anchor:hover,.cut-anchor.is-selected{width:9px;height:9px;background:#00bfc49e;box-shadow:0 0 0 1.5px #00bfc452}.curve-control{width:10px;height:10px;border:1.5px solid rgba(255,255,255,.85);border-radius:2px;background:#00bfc473;box-shadow:0 0 0 1px var(--editor-cut),0 1px 3px #173b721f;transform:translate(-50%,-50%) rotate(45deg);cursor:grab}.curve-control:active{background:#00bfc4a6;cursor:grabbing}.cut-toolbar{width:100%;padding:5px;border:1px solid var(--color-border);border-radius:12px;background:var(--color-toolbar-bg);box-shadow:var(--shadow-toolbar)}.cut-actions{display:flex;align-items:center;flex-shrink:0;gap:7px;padding:7px;border:1px solid var(--color-border);border-radius:12px;background:var(--color-toolbar-bg);box-shadow:var(--shadow-toolbar)}.cut-actions-slot:empty{display:none}.bottom-toolbar-stack>.cut-actions-slot{grid-column:2;grid-row:1;justify-self:start;margin-left:0}.cut-actions button{min-height:30px;padding:0 10px;border:0;border-radius:8px;color:var(--color-text-primary);background:var(--color-button-secondary);cursor:pointer;font:inherit;font-size:12px;white-space:nowrap}.cut-actions button:first-of-type{color:#fff;background:var(--color-primary)}.cut-actions button:first-of-type:hover{background:var(--color-primary-hover)}.cut-actions button:hover{filter:brightness(.96)}.cut-mode-picker{display:flex;flex-shrink:0;gap:4px}.cut-mode-picker button{flex:1;min-height:30px;padding:0 8px;border:0;border-radius:8px;color:var(--color-text-primary);background:transparent;cursor:pointer;font:inherit;font-size:12px;white-space:nowrap}.cut-mode-picker button:hover{background:var(--color-primary-soft)}.cut-mode-picker .mode-active{color:#fff;background:var(--color-primary)}.bottom-toolbar,.history-dock,.view-controls,.selection-panel{z-index:3}.library-label{color:var(--color-text-primary);font-size:11px;font-weight:650;letter-spacing:0;text-align:center}.bottom-toolbar-stack{position:absolute;z-index:5;bottom:24px;left:50%;display:grid;grid-template-columns:max-content max-content;gap:8px;width:max-content;max-width:calc(100% - 40px);transform:translate(-50%);overflow-x:auto}.bottom-toolbar{grid-column:1 / -1;grid-row:2;display:grid;grid-template-columns:subgrid;align-items:center;column-gap:8px;padding:6px;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-toolbar-bg);box-shadow:var(--shadow-toolbar)}.shape-library{position:static;display:flex;flex:0 0 auto;flex-direction:column;align-items:center;gap:2px;padding:0 0 0 10px;border:0;border-left:1px solid var(--color-border);border-radius:0;background:transparent;box-shadow:none}.shape-buttons{display:flex;align-items:center;gap:4px}.shape-buttons button{display:grid;width:32px;height:32px;padding:0;place-items:center;border-radius:8px;background:transparent}.shape-buttons button:hover:not(:disabled){background:var(--color-primary-soft)}.shape-icon{display:block;width:28px;height:28px;stroke:var(--color-text-primary);stroke-width:9;stroke-linejoin:round;pointer-events:none}.shape-buttons button:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.view-controls{position:absolute;top:20px;right:20px;display:flex;align-items:center;gap:4px;padding:5px;border:1px solid var(--color-border);border-radius:12px;background:var(--color-toolbar-bg);box-shadow:var(--shadow-toolbar)}.view-controls button{min-height:30px;padding:0 9px;border-radius:8px;color:var(--color-text-primary);font-size:12px}.view-controls button:hover{background:var(--color-primary-soft)}.view-controls span{min-width:42px;color:var(--color-text-secondary);font-size:12px;text-align:center}.tool-dock{position:static;display:flex;align-items:center;flex:0 0 auto;gap:3px;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none}.tool-dock button{padding:9px 11px;border-radius:8px;color:var(--color-text-primary);font-size:13px;white-space:nowrap}.tool-dock button:hover{background:var(--color-primary-soft)}.tool-dock .tool-active{color:#fff;background:var(--color-primary);font-weight:700}.tool-dock .tool-active:hover{background:var(--color-primary-hover)}.tool-dock 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var(--color-border);border-radius:var(--radius-lg);background:var(--color-panel-bg);box-shadow:var(--shadow-panel)}.selection-panel>span{color:var(--color-text-primary);font-size:12px;font-weight:600}.selection-panel>div{display:grid;grid-template-columns:1fr 1fr;gap:5px}.selection-panel button{min-height:30px;padding:4px 6px;border:0;border-radius:8px;color:var(--color-text-primary);background:var(--color-button-secondary);cursor:pointer;font-size:11px}.selection-panel button:hover{background:var(--color-button-secondary-hover)}.selection-panel button:disabled,.shape-buttons button:disabled{color:var(--color-text-disabled);opacity:1;cursor:not-allowed;background:transparent}.selection-panel{max-height:calc(100dvh - 210px);overflow-y:auto}.fill-controls{display:grid;gap:8px;padding-bottom:10px;border-bottom:1px solid var(--color-border)}.fill-heading{display:flex;justify-content:space-between;gap:6px;color:var(--color-text-primary);font-size:11px}.fill-heading>span{color:var(--color-text-secondary);font-size:10px}.fill-swatches{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.selection-panel .fill-swatch{justify-self:center;width:22px;height:22px;min-height:22px;padding:0;border:1px solid rgba(32,54,47,.18);border-radius:50%}.selection-panel .fill-swatch[aria-pressed=true]{outline:2px solid var(--color-primary);outline-offset:2px}.selection-panel .fill-swatch:hover:not(:disabled){box-shadow:0 0 0 3px #087cff1f}.selection-panel .fill-swatch:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.fill-picker{display:grid;gap:10px}.fill-picker .react-colorful{width:100%;height:145px}.fill-picker .react-colorful__pointer{width:16px;height:16px}.fill-picker .react-colorful__hue{height:16px}.fill-hex-label{display:flex;align-items:center;gap:7px;color:var(--color-text-secondary);font-size:11px}.fill-hex-label input{width:100%;min-width:0;padding:6px;border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text-primary);background:var(--color-panel-bg);font:inherit;-webkit-user-select:text;user-select:text}.fill-picker-actions{display:grid;grid-template-columns:1fr 1fr;gap:5px}.selection-panel .fill-picker-actions button:first-child{color:#fff;background:var(--color-primary)}.selection-panel .fill-picker-actions button:first-child:hover{background:var(--color-primary-hover)}.selection-panel .fill-more{color:var(--color-primary);background:var(--color-primary-soft)}.selection-panel .fill-more:hover:not(:disabled){background:#dceeff}.selection-panel>div:last-of-type button:last-child{color:var(--color-danger);background:var(--color-danger-soft)}.selection-panel>div:last-of-type button:last-child:hover:not(:disabled){background:#ffe1e4}.work-modal-backdrop{position:fixed;z-index:20;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;padding:20px;background:#173b723d}.work-dialog{display:grid;gap:14px;width:min(520px,100%);max-height:min(620px,calc(100dvh - 40px));padding:20px;border:1px solid var(--color-border);border-radius:var(--radius-floating);background:var(--color-panel-bg);box-shadow:0 18px 48px #173b7229;overflow:auto}.work-dialog-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.work-dialog-heading h2{margin:0;color:var(--color-text-primary);font-size:18px}.work-dialog-heading p,.empty-works{margin:5px 0 0;color:var(--color-text-secondary);font-size:12px}.work-close-button{width:30px;height:30px;border:0;border-radius:8px;color:var(--color-text-primary);background:var(--color-button-secondary);cursor:pointer;font-size:20px}.work-close-button:hover{background:var(--color-button-secondary-hover)}.new-work-button,.work-list button{min-height:34px;padding:0 11px;border:0;border-radius:8px;color:#fff;background:var(--color-primary);cursor:pointer;font:inherit;font-size:12px}.new-work-button:hover,.work-list button:hover{background:var(--color-primary-hover)}.new-work-button{justify-self:start}.work-list{display:grid;gap:7px;max-height:360px;margin:0;padding:0;overflow:auto;list-style:none}.work-list li{display:flex;align-items:center;gap:7px;padding:9px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-panel-bg)}.work-list-details{display:grid;flex:1;min-width:0;gap:4px}.work-list-details strong{overflow:hidden;color:var(--color-text-primary);font-size:13px;text-overflow:ellipsis;white-space:nowrap}.work-list-details time{color:var(--color-text-secondary);font-size:10px}.work-list .delete-work-button{color:var(--color-danger);background:var(--color-danger-soft)}.work-list .delete-work-button:hover{background:#ffe1e4}@media(max-width:760px){.app-shell{grid-template-rows:60px 1fr 32px}.topbar,.statusbar{padding:0 12px}.document-name,.quiet-button:first-child,.statusbar span:first-child{display:none}.view-controls{top:12px;right:12px}.canvas-hint{top:92px;max-width:calc(100% - 24px)}.canvas-message{top:184px}.view-controls button:first-child,.view-controls button:nth-last-child(-n+2){display:none}.bottom-toolbar-stack{bottom:14px;max-width:calc(100% - 24px)}.tool-dock button{padding:9px 10px}.history-dock{bottom:80px;left:12px}.selection-tools{right:12px;bottom:126px;max-width:calc(100% - 24px);overflow-x:auto}}@media(min-width:761px)and (max-width:900px){.bottom-toolbar-stack{max-width:calc(100% - 24px)}.history-dock{bottom:82px;left:12px}.selection-tools{right:12px;bottom:100px}}