:root{font-family:"SF Pro Display",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;color-scheme:dark}
*{box-sizing:border-box}html,body{width:100%;height:100%;margin:0;overflow:hidden}body{--bg:#101215;--surface:rgba(27,29,33,.91);--glass:rgba(30,33,38,.71);--edge:rgba(255,255,255,.13);--hair:rgba(255,255,255,.08);--text:#f0f0ee;--muted:#9298a1;--faint:#636b75;--accent:#edc96d;--accent-strong:#ffd86f;--light-shadow:rgba(0,0,0,.30);background:var(--bg);color:var(--text);font-size:13px}
body[data-theme="light"]{color-scheme:light;--bg:#eef0ef;--surface:rgba(255,255,255,.91);--glass:rgba(255,255,255,.8);--edge:rgba(28,38,40,.15);--hair:rgba(16,30,31,.09);--text:#252829;--muted:#646e71;--faint:#929b9d;--accent:#aa813a;--accent-strong:#94701f;--light-shadow:rgba(30,38,40,.11)}
a{color:inherit;text-decoration:none}button,input,textarea{font:inherit;color:inherit}button{cursor:pointer;border:0;background:transparent}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}input,textarea{border:0;outline:none}main{height:calc(100% - 64px)}
[hidden]{display:none!important}
.glass{background:var(--glass);backdrop-filter:blur(24px) saturate(135%);-webkit-backdrop-filter:blur(24px) saturate(135%);border:1px solid var(--edge);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 12px 42px var(--light-shadow)}
.topbar{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;border-bottom:1px solid var(--hair);background:var(--surface);position:relative;z-index:10;gap:20px}
.brand-side,.brand,.brand-name,.top-actions,.board-head{display:flex;align-items:center}.brand-side{flex:1;min-width:0;gap:15px}.brand{gap:10px;white-space:nowrap}.brand-mark{font-size:19px;font-weight:800;letter-spacing:.12em}.brand-divider{height:28px;border-left:1px solid var(--edge)}.brand-name{flex-direction:column;align-items:start;gap:2px}.brand-name strong{font-size:13px;letter-spacing:.12em}.brand-name small{font-size:8px;color:var(--muted);letter-spacing:.15em}.product-switch{color:var(--faint);font-size:18px}.product-label{font-weight:600;font-size:13px;white-space:nowrap}.chevron{color:var(--muted);font-size:11px}.test-tag{border:1px solid rgba(246,112,105,.45);color:#f17c76;border-radius:5px;padding:3px 6px;font-size:10px}
.board-head{position:absolute;left:50%;transform:translateX(-50%);gap:15px;max-width:34%}.board-title{font-weight:600;text-align:center;background:transparent;width:180px;max-width:22vw;border-radius:7px;padding:6px 5px}.board-title:focus{background:var(--hair)}.save-status{white-space:nowrap;font-size:11px;color:var(--muted)}.save-status.error{color:#df7979}
.top-actions{gap:7px}.quiet{display:inline-flex;align-items:center;gap:7px;border:1px solid transparent;border-radius:10px;padding:9px 12px;color:var(--muted)}.quiet:hover,.product-label:hover{background:var(--hair);color:var(--text)}.primary{border-radius:10px;background:var(--accent);color:#171719;padding:11px 17px;font-weight:700;box-shadow:0 2px 13px rgba(244,197,96,.13)}.primary:hover{filter:brightness(1.06);transform:translateY(-1px)}.quiet-border{border:1px solid var(--edge);border-radius:10px;padding:10px 17px}.quiet-border:hover{background:var(--glass)}.boards-view{height:100%;overflow:auto;background:radial-gradient(ellipse 52% 40% at 70% 0%,rgba(206,164,86,.09),transparent 75%),var(--bg)}.boards-inner{max-width:1120px;margin:auto;padding:70px 40px 65px}.boards-intro .eyebrow{color:var(--accent);font-size:11px;letter-spacing:.25em;font-weight:700}.boards-intro h1{font-size:48px;line-height:1.24;letter-spacing:-.038em;margin:20px 0;max-width:660px}.boards-intro h1 em{font-style:normal;color:var(--accent)}.boards-intro p{max-width:620px;line-height:1.9;color:var(--muted);font-size:14px}
.board-toolbar{margin-top:74px;margin-bottom:24px;display:flex;align-items:end;justify-content:space-between;gap:16px}.board-toolbar h2{margin:0 0 7px;font-size:18px}.board-toolbar p{margin:0;color:var(--muted);font-size:12px}.boards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:17px}.board-card,.board-new{border:1px solid var(--edge);border-radius:15px;background:var(--glass);height:190px;position:relative;overflow:hidden;transition:transform .18s,border-color .18s}.board-card:hover,.board-new:hover{border-color:rgba(238,194,102,.63);transform:translateY(-2px)}.board-preview{height:126px;position:relative;overflow:hidden;cursor:pointer;background-color:rgba(129,137,147,.07);background-image:linear-gradient(var(--hair) 1px,transparent 1px),linear-gradient(90deg,var(--hair) 1px,transparent 1px);background-size:24px 24px;display:flex;justify-content:center;align-items:center}.board-preview::before{content:"";width:75px;height:44px;border:1px solid rgba(234,202,129,.7);border-radius:7px;background:rgba(233,199,125,.06);transform:rotate(-8deg);box-shadow:38px 20px 0 -5px rgba(96,128,155,.15),-40px 12px 0 -3px rgba(145,151,160,.14)}.board-card-bottom{padding:11px 14px;display:flex;align-items:center;justify-content:space-between;gap:8px}.board-card-name{display:block;font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:215px}.board-card-date{display:block;font-size:10px;margin-top:3px;color:var(--muted)}.board-card-menu{border-radius:7px;padding:6px 9px;color:var(--muted);font-weight:bold}.board-card-menu:hover{background:var(--hair)}.board-new{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px;color:var(--muted);border-style:dashed}.board-new .plus{font-size:30px;color:var(--accent);width:55px;height:55px;border-radius:13px;display:grid;place-items:center;border:1px solid var(--edge)}.boards-footnote{margin-top:34px;color:var(--faint);font-size:11px}.loading-card{padding:30px;color:var(--muted)}
.editor-view{position:relative;height:100%;display:flex;overflow:hidden}.canvas-shell{min-width:0;flex:1;position:relative;overflow:hidden;background:var(--bg)}.canvas-viewport{height:100%;width:100%;overflow:hidden;position:absolute;inset:0;cursor:grab;touch-action:none;background-image:linear-gradient(var(--hair) 1px,transparent 1px),linear-gradient(90deg,var(--hair) 1px,transparent 1px);background-size:32px 32px}.canvas-viewport.panning{cursor:grabbing}.canvas-viewport:focus{outline:0}.canvas-world{position:absolute;left:0;top:0;width:0;height:0;transform-origin:0 0;will-change:transform}.connection-svg{position:absolute;left:0;top:0;width:1px;height:1px;overflow:visible;z-index:1}.connection-svg path{fill:none;stroke:var(--muted);stroke-width:2;vector-effect:non-scaling-stroke;pointer-events:stroke;cursor:pointer}.connection-svg path.selected{stroke:var(--accent);stroke-width:3}.connection-svg path.pending{stroke:var(--accent);stroke-dasharray:6 6;pointer-events:none}#nodesLayer{position:absolute;left:0;top:0;z-index:2}
.palette{position:absolute;top:25px;left:22px;z-index:6;width:67px;border-radius:17px;display:flex;flex-direction:column;align-items:center;padding:13px 7px 11px;gap:5px}.palette-heading{font-size:9px;color:var(--muted);white-space:nowrap;margin:0 0 7px}.palette button{width:53px;min-height:53px;border-radius:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px}.palette button:hover{background:var(--hair);color:var(--accent)}.tool-icon{font-size:20px;font-weight:450;line-height:1}.palette small{font-size:9px}.palette-divider{height:1px;background:var(--edge);width:36px;margin:5px 0}
.canvas-toptools{z-index:7;position:absolute;left:50%;transform:translateX(-50%);top:23px;display:flex;align-items:center;gap:3px;padding:6px;border-radius:13px;white-space:nowrap}.canvas-toptools button{border-radius:8px;padding:9px 11px;color:var(--muted)}.canvas-toptools button:hover,.zoom-controls button:hover{color:var(--accent);background:var(--hair)}.tool-separator{height:21px;border-left:1px solid var(--edge);margin:0 5px}.zoom-controls{z-index:7;position:absolute;right:24px;bottom:22px;border-radius:13px;display:flex;gap:3px;align-items:center;padding:6px}.zoom-controls button{font-size:17px;border-radius:8px;padding:6px 10px}.zoom-controls span:not(.tool-separator){font-size:11px;min-width:40px;text-align:center;color:var(--muted)}
.inspector{z-index:6;width:270px;border-radius:0;border-width:0 0 0 1px;display:flex;flex-direction:column;flex-shrink:0}.inspector-header{height:59px;border-bottom:1px solid var(--hair);display:flex;align-items:center;justify-content:space-between;padding:0 20px;font-weight:650}.inspector-header button{font-size:21px;border-radius:7px;padding:2px 9px}.inspector-header button:hover{background:var(--hair)}.inspector-body{padding:18px;overflow:auto;flex:1;min-height:0}.inspector-bottom{display:flex;border-top:1px solid var(--hair);padding:13px;gap:8px}.inspector-bottom button{flex:1;padding:9px 6px;border:1px solid var(--edge);border-radius:8px;font-size:11px}.inspector-bottom button:hover{border-color:var(--accent)}.property-empty{padding:65px 5px;text-align:center;color:var(--muted)}.property-orbit{font-size:46px;color:var(--accent);margin-bottom:12px}.property-empty b{display:block;color:var(--text);font-size:13px}.property-empty p{font-size:11px;line-height:1.8}
.property-label{font-size:11px;color:var(--muted);display:block;margin:14px 0 7px}.property-input,.property-textarea{width:100%;background:var(--hair);border:1px solid var(--edge);padding:9px 11px;border-radius:8px;color:var(--text);font-size:12px}.property-textarea{min-height:132px;resize:vertical;line-height:1.55}.property-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.property-hint{font-size:10px;line-height:1.7;color:var(--muted);margin-top:12px}.property-action{border:1px solid var(--edge);border-radius:8px;padding:9px 12px;width:100%;margin-top:12px;font-size:11px}.property-action:hover{border-color:var(--accent)}
.expand-inspector{position:absolute;z-index:8;right:10px;top:25px;padding:9px 12px;border-radius:9px;background:var(--glass);border:1px solid var(--edge)}.editor-view.inspector-closed .inspector{display:none}
.canvas-node{position:absolute;border:1px solid var(--edge);border-radius:13px;background:var(--surface);box-shadow:0 12px 40px rgba(0,0,0,.19),inset 0 1px 0 rgba(255,255,255,.04);overflow:visible;user-select:none;min-width:160px;min-height:110px;display:flex;flex-direction:column}.canvas-node.selected{border-color:var(--accent);box-shadow:0 0 0 1px rgba(237,201,109,.35),0 14px 45px var(--light-shadow)}.canvas-node.frame-node{background:rgba(216,183,103,.025);border:1.5px dashed rgba(220,187,111,.5);box-shadow:none}.node-header{height:40px;display:flex;align-items:center;gap:9px;padding:0 12px;flex-shrink:0;border-bottom:1px solid var(--hair);cursor:move}.node-type-icon{color:var(--accent);font-weight:700;font-size:14px}.node-heading{min-width:0;flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-weight:650;font-size:12px}.node-kind{color:var(--faint);font-size:9px}.node-body{padding:12px;flex:1;min-height:0;overflow:hidden}.node-text{width:100%;height:100%;min-height:45px;background:transparent;resize:none;font-size:12px;line-height:1.75;color:var(--text);user-select:text}.canvas-node.note-node{background:color-mix(in srgb,var(--accent) 12%,var(--surface))}.node-media{height:100%;width:100%;object-fit:contain;border-radius:6px;background:rgba(0,0,0,.14)}.node-audio{width:100%;margin-top:15px}.node-placeholder{height:100%;border:1px dashed var(--edge);border-radius:8px;display:grid;place-items:center;text-align:center;color:var(--muted);font-size:11px;line-height:1.7}.node-shot{height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:12px;color:var(--muted)}.node-shot .shot-symbol{font-size:40px;color:var(--accent)}.node-shot a{border:1px solid var(--edge);border-radius:8px;padding:7px 12px;font-size:11px;color:var(--text)}.node-shot a:hover{border-color:var(--accent)}.node-resize{position:absolute;right:-1px;bottom:-1px;width:17px;height:17px;border-radius:0 0 13px 0;cursor:nwse-resize;z-index:4}.node-resize:after{content:"";position:absolute;right:4px;bottom:4px;width:8px;height:8px;border-bottom:2px solid var(--muted);border-right:2px solid var(--muted)}.node-port{position:absolute;top:50%;transform:translateY(-50%);width:13px;height:13px;background:var(--bg);border:2px solid var(--accent);border-radius:50%;z-index:5;cursor:crosshair}.node-port.port-in{left:-7px}.node-port.port-out{right:-7px}.node-port:hover,.node-port.armed{background:var(--accent);box-shadow:0 0 0 5px rgba(242,200,110,.14)}
.marquee{position:absolute;z-index:5;border:1px solid var(--accent);background:rgba(241,200,108,.09);pointer-events:none}.canvas-hint{pointer-events:none;position:absolute;left:115px;bottom:24px;color:var(--faint);font-size:10px}.empty-canvas{pointer-events:none;position:absolute;left:50%;top:48%;transform:translate(-50%,-50%);text-align:center;z-index:3;width:380px;max-width:70vw}.empty-canvas button{pointer-events:auto}.empty-symbol{font-size:52px;color:var(--accent)}.empty-canvas h2{font-size:20px;margin:12px 0 8px}.empty-canvas p{font-size:12px;color:var(--muted);line-height:1.8;margin:0 0 21px}.empty-canvas div:last-child{display:flex;gap:10px;justify-content:center}
.toast{position:fixed;z-index:45;bottom:22px;left:50%;transform:translate(-50%,40px);pointer-events:none;padding:11px 18px;background:var(--surface);color:var(--text);border:1px solid var(--edge);border-radius:9px;box-shadow:0 15px 42px var(--light-shadow);font-size:12px;opacity:0;transition:transform .18s,opacity .18s}.toast.show{opacity:1;transform:translate(-50%,0)}
.dialog-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.66);display:grid;place-items:center;z-index:30;padding:22px}.dialog-panel{max-width:550px;width:100%;padding:24px 26px;border-radius:16px}.dialog-heading{display:flex;align-items:center;justify-content:space-between}.dialog-heading h2{font-size:19px;margin:0}.dialog-heading button{font-size:25px}.dialog-panel p{font-size:12px;line-height:1.9;color:var(--muted)}.dialog-panel kbd{background:var(--hair);padding:2px 5px;border-radius:4px}.dialog-actions{text-align:right;margin-top:22px}
@media(max-width:1050px){.topbar{padding:0 14px}.inspector{width:235px}.canvas-toptools{top:13px;left:auto;right:14px;transform:none}.canvas-toptools button{padding:8px}.palette{top:75px;left:12px}.board-head{left:51%}}@media(max-width:780px){.inspector{display:none}.topbar .brand-name,.test-tag,.quiet span,.board-head{display:none}.canvas-hint{display:none}.canvas-toptools{max-width:calc(100vw - 20px);overflow:auto;right:10px;left:10px}.palette{top:67px}.boards-inner{padding:55px 20px}.boards-intro h1{font-size:36px}.board-toolbar{margin-top:52px}.zoom-controls{right:12px}.empty-canvas{left:56%}}