:root{--bg: #ffffff;--panel: #f8f9fa;--border: #e0e3e7;--border-strong: #c6cbd1;--text: #1f2328;--text-soft: #57606a;--text-dim: #8b949e;--accent: #188038;--accent-soft: #e6f4ea;--sel: rgba(24, 128, 56, .09);--sel-border: #188038;--header-bg: #f6f8fa;--header-active: #ddefe1;--e1: 0 1px 2px rgba(16, 24, 40, .04), 0 1px 3px rgba(16, 24, 40, .05);--e2: 0 1px 2px rgba(16, 24, 40, .05), 0 6px 16px -4px rgba(16, 24, 40, .09);--e3: 0 2px 4px rgba(16, 24, 40, .05), 0 14px 32px -8px rgba(16, 24, 40, .14);--e-accent: 0 2px 6px rgba(24, 128, 56, .18), 0 10px 24px -8px rgba(24, 128, 56, .42);--ease: cubic-bezier(.32, .72, 0, 1);--t-fast: .13s;--t-base: .22s;--t-slow: .45s;--r-sm: 8px;--r-md: 12px;--r-lg: 16px}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}@keyframes sgRise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@keyframes sgPop{0%{opacity:0;transform:scale(.9)}60%{transform:scale(1.02)}to{opacity:1;transform:scale(1)}}@keyframes sgGrowUp{0%{transform:scaleY(0)}to{transform:scaleY(1)}}@keyframes sgDraw{0%{stroke-dashoffset:var(--dash, 400)}to{stroke-dashoffset:0}}@keyframes sgSheen{0%{transform:translate(-120%) skew(-18deg)}to{transform:translate(320%) skew(-18deg)}}@keyframes sgFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}*{box-sizing:border-box}html,body,#app{height:100%;margin:0}body{font-family:Inter,-apple-system,Segoe 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solid var(--border);background:#fff;color:var(--text-soft);border-radius:7px;padding:6px 12px;font-size:12.5px;font-weight:550;cursor:pointer;font-family:inherit}.sg-btn:hover{border-color:var(--border-strong);color:var(--text)}.sg-toolbar{display:flex;align-items:center;gap:6px;padding:7px 12px;border-bottom:1px solid var(--border);background:#fff;flex-wrap:wrap;row-gap:6px}.sg-toolbar::-webkit-scrollbar{display:none}.sg-tgroup{display:inline-flex;align-items:center;gap:2px;padding:3px;border-radius:11px;background:#0f172a0d;flex-shrink:0}.sg-tool{min-width:32px;height:32px;border:none;background:transparent;border-radius:8px;color:var(--text-soft);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-family:inherit;padding:0 7px;flex-shrink:0;transition:background var(--t-fast) var(--ease),color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease),transform var(--t-fast) var(--ease)}.sg-tool:hover:not(:disabled){background:#fffc;color:var(--text)}.sg-tool.on{background:#fff;color:var(--accent);box-shadow:0 1px 2px #1018281f,0 0 0 1px #18803847}.sg-tool.on:hover{background:#fff;color:var(--accent)}.sg-tool:disabled{opacity:.3;cursor:default}.sg-tool:disabled:hover{background:transparent}.sg-tool.wide{padding:0 11px;gap:6px;font-size:12.5px;font-weight:600}.sg-tool.accent{background:var(--accent-soft);color:var(--accent);box-shadow:inset 0 0 0 1px #1880382e}.sg-tool.accent:hover{background:#d7ecdd;color:var(--accent)}.sg-color-btn{position:relative;padding:0 8px 5px}.sg-color-bar{position:absolute;left:7px;right:7px;bottom:6px;height:3px;border-radius:2px;box-shadow:inset 0 0 0 1px #1018281f}.sg-size{display:inline-flex;align-items:center;gap:2px}.sg-size-trigger{border:none;background:none;padding:0;cursor:pointer;display:inline-flex}.sg-size-val{min-width:40px;height:32px;padding:0 6px;display:inline-flex;align-items:center;justify-content:center;gap:3px;background:#fff;border:none;border-radius:8px;cursor:pointer;font-family:inherit;font-size:12.5px;font-weight:600;color:var(--text);box-shadow:0 1px 2px #10182814,0 0 0 1px var(--border);transition:box-shadow var(--t-fast) var(--ease)}.sg-size-val:hover{box-shadow:0 1px 2px #1018281a,0 0 0 1px var(--border-strong)}.sg-sep{width:1px;height:20px;background:var(--border);margin:0 4px;flex-shrink:0}.sg-select{height:32px;border:none;border-radius:8px;background:#fff;box-shadow:0 1px 2px #10182814,0 0 0 1px var(--border);font-size:12.5px;color:var(--text);padding:0 6px;font-family:inherit;flex-shrink:0}.sg-color{width:32px;height:32px;padding:3px;border:none;border-radius:8px;background:#fff;cursor:pointer;flex-shrink:0;box-shadow:0 0 0 1px var(--border)}.sg-fbar{display:flex;align-items:stretch;border-bottom:1px solid var(--border);background:#fff}.sg-namebox{width:90px;padding:6px 10px;border-right:1px solid var(--border);font-family:JetBrains Mono,ui-monospace,monospace;font-size:12px;color:var(--text-soft);display:flex;align-items:center;flex-shrink:0}.sg-fx{padding:6px 8px 6px 12px;color:var(--text-dim);font-style:italic;font-family:Georgia,serif;display:flex;align-items:center}.sg-finput{flex:1;border:none;outline:none;padding:6px 10px;font-family:JetBrains Mono,ui-monospace,monospace;font-size:12.5px;color:var(--text)}.sg-gridwrap{flex:1;position:relative;overflow:hidden;background:var(--panel)}.sg-scroll{position:absolute;top:0;right:0;bottom:0;left:0;overflow:auto}.sg-corner{position:absolute;top:0;left:0;z-index:30;background:var(--header-bg);border-right:1px solid var(--border-strong);border-bottom:1px solid var(--border-strong);cursor:pointer}.sg-colhead,.sg-rowhead{position:absolute;z-index:20;overflow:hidden;background:var(--header-bg)}.sg-colhead{top:0;right:0}.sg-rowhead{left:0;bottom:0}.sg-hcell{position:absolute;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;color:var(--text-soft);background:var(--header-bg);border-right:1px solid var(--border);border-bottom:1px solid var(--border);-webkit-user-select:none;user-select:none}.sg-hcell.active{background:var(--header-active);color:var(--accent)}.sg-hresize-c{position:absolute;right:-3px;top:0;width:6px;height:100%;cursor:col-resize;z-index:5}.sg-hresize-r{position:absolute;bottom:-3px;left:0;height:6px;width:100%;cursor:row-resize;z-index:5}.sg-cells{position:absolute;top:0;left:0}.sg-cell{position:absolute;padding:0 6px;display:flex;align-items:center;border-right:1px solid var(--border);border-bottom:1px solid var(--border);background:#fff;white-space:nowrap;overflow:hidden;-webkit-user-select:none;user-select:none;font-size:13px;line-height:1.2}.sg-cell.num{justify-content:flex-end}.sg-cell.err{color:#c0392b;font-weight:600}.sg-selbox{position:absolute;pointer-events:none;background:var(--sel);border:1px solid var(--sel-border);z-index:10}.sg-activebox{position:absolute;pointer-events:none;border:2px solid var(--sel-border);background:transparent;z-index:11}.sg-fillhandle{position:absolute;width:8px;height:8px;background:var(--sel-border);border:1px solid #fff;z-index:12;cursor:crosshair;pointer-events:auto}.sg-fillpreview{position:absolute;pointer-events:none;border:1.5px dashed var(--sel-border);z-index:9}.sg-editor{position:absolute;z-index:15;border:2px solid var(--sel-border);outline:none;padding:0 5px;font-size:13px;font-family:inherit;background:#fff;box-shadow:0 4px 16px #0000001f}.sg-menu{position:fixed;z-index:100;min-width:190px;background:#fff;border:1px solid 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var(--accent);border-radius:4px;font-size:12px;padding:1px 4px;width:90px;outline:none;font-family:inherit}.sg-tab-x{border:none;background:none;color:var(--text-dim);cursor:pointer;font-size:13px;padding:0 2px}.sg-tab-x:hover{color:var(--accent)}.sg-tab-add{width:26px;height:26px;border:1px solid var(--border);border-radius:7px;background:#fff;color:var(--text-soft);font-size:15px;cursor:pointer;flex-shrink:0}.sg-tab-add:hover{color:var(--accent);border-color:var(--accent)}.sg-home{position:relative;min-height:100vh;background:var(--panel);overflow:auto}.sg-home-bg{position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden;pointer-events:none;z-index:0}.sg-home-glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}.sg-home-glow.one{width:620px;height:620px;top:-300px;left:-140px;background:radial-gradient(circle,rgba(52,168,83,.3),transparent 70%);animation:sgFloat 14s var(--ease) infinite}.sg-home-glow.two{width:520px;height:520px;top:-220px;right:-160px;background:radial-gradient(circle,rgba(24,128,56,.18),transparent 70%);animation:sgFloat 18s var(--ease) infinite reverse}.sg-home-head{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:12px;padding:14px 28px;background:#ffffffd1;backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid var(--border)}.sg-home-title{font-size:16.5px;font-weight:700;letter-spacing:-.01em}.sg-home-sub{font-size:12px;color:var(--text-dim)}.sg-home-body{position:relative;z-index:1;max-width:1080px;margin:0 auto;padding:40px 24px 72px}.sg-hero{display:flex;align-items:center;gap:28px;animation:sgRise var(--t-slow) var(--ease) both}.sg-hero-copy{flex:1;min-width:0}.sg-hero h1{margin:0 0 6px;font-size:30px;line-height:1.15;font-weight:700;letter-spacing:-.025em;color:var(--text)}.sg-hero p{margin:0 0 22px;font-size:14px;line-height:1.5;color:var(--text-soft);max-width:46ch}.sg-hero-actions{display:flex;flex-wrap:wrap;gap:10px}.sg-hero-art{width:240px;height:120px;flex-shrink:0}.sg-hero-grid{stroke:var(--border-strong);stroke-width:1;opacity:.5}.sg-hero-bar{animation:sgGrowUp .7s var(--ease) both}.sg-hero-line{stroke:var(--accent);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;--dash: 260;stroke-dasharray:260;animation:sgDraw .9s var(--ease) .5s both}.sg-hero-dot{fill:#fff;stroke:var(--accent);stroke-width:2;animation:sgPop .3s var(--ease) both}.sg-new{position:relative;overflow:hidden;display:inline-flex;align-items:center;gap:9px;background:linear-gradient(135deg,#34a853,#188038);color:#fff;border:none;border-radius:var(--r-md);padding:11px 20px;font-size:13.5px;font-weight:650;cursor:pointer;font-family:inherit;box-shadow:var(--e-accent);transition:transform var(--t-fast) var(--ease),box-shadow var(--t-base) var(--ease),filter var(--t-fast) var(--ease)}.sg-new:hover:not(:disabled){transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 4px 10px #1880383d,0 16px 32px -10px #18803880}.sg-new:active:not(:disabled){transform:translateY(0) scale(.985)}.sg-sheen{position:absolute;top:0;left:0;width:40%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);transform:translate(-120%) skew(-18deg);animation:sgSheen 1.1s var(--ease) .55s 1 both}.sg-new:disabled,.sg-import:disabled{opacity:.6;cursor:not-allowed}.sg-import{display:inline-flex;align-items:center;gap:9px;background:#fff;color:var(--text-soft);border:1px solid var(--border-strong);border-radius:var(--r-md);padding:11px 18px;font-size:13.5px;font-weight:600;cursor:pointer;font-family:inherit;box-shadow:var(--e1);transition:transform var(--t-fast) var(--ease),border-color var(--t-base) var(--ease),color var(--t-base) var(--ease),box-shadow var(--t-base) var(--ease)}.sg-import:hover:not(:disabled){border-color:var(--accent);color:var(--accent);transform:translateY(-1px);box-shadow:var(--e2)}.sg-import:active:not(:disabled){transform:translateY(0) scale(.985)}.sg-section-label{margin:38px 0 14px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);animation:sgFade var(--t-slow) var(--ease) .1s both}.sg-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(224px,1fr))}.sg-card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;text-decoration:none;color:var(--text);box-shadow:var(--e1);animation:sgRise var(--t-slow) var(--ease) both;transition:transform var(--t-base) var(--ease),box-shadow var(--t-base) var(--ease),border-color var(--t-base) var(--ease)}.sg-card:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:var(--e3)}.sg-card:active{transform:translateY(-1px)}.sg-card-preview{position:relative;height:132px;overflow:hidden;background:#fff;border-bottom:1px solid var(--border)}.sg-preview{display:block;width:100%;height:100%}.sg-preview-head{fill:var(--accent-soft)}.sg-preview-headbar{fill:var(--accent);opacity:.34}.sg-preview-rule{stroke:var(--border);stroke-width:.5}.sg-preview-label{fill:#b6bcc4}.sg-preview-label.strong{fill:#8b949e}.sg-preview-cell{fill:#ccd2d9}.sg-preview-cell.strong{fill:#9aa2ab}.sg-preview-cell.accent{fill:var(--accent);opacity:.45}.sg-preview-total{stroke:var(--border-strong);stroke-width:1}.sg-preview-bar{fill:#cfe3d6}.sg-preview-bar.accent{fill:var(--accent);opacity:.8}.sg-preview{transition:transform var(--t-slow) var(--ease);transform-origin:50% 0}.sg-card:hover .sg-preview{transform:scale(1.045)}.sg-card-shine{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.55) 45%,transparent 60%);transform:translate(-100%);opacity:0;transition:transform .7s var(--ease),opacity .2s var(--ease)}.sg-card:hover .sg-card-shine{transform:translate(100%);opacity:1}.sg-card-foot{display:flex;align-items:center;gap:10px;padding:11px 12px}.sg-card-mark{width:28px;height:28px;flex-shrink:0;border-radius:var(--r-sm);background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center;transition:transform var(--t-base) var(--ease)}.sg-card:hover .sg-card-mark{transform:scale(1.08) rotate(-4deg)}.sg-card-text{flex:1;min-width:0;display:flex;flex-direction:column;gap:1px}.sg-card-title{font-size:13px;font-weight:650;letter-spacing:-.005em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sg-card-sub{font-size:11px;color:var(--text-dim)}.sg-card-del{position:absolute;top:8px;right:8px;z-index:2;width:26px;height:26px;border:none;border-radius:var(--r-sm);background:#ffffffeb;color:var(--text-soft);cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--e1);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);opacity:0;transform:scale(.85) translateY(-2px);transition:opacity var(--t-base) var(--ease),transform var(--t-base) var(--ease),background var(--t-fast) var(--ease),color var(--t-fast) var(--ease)}.sg-card:hover .sg-card-del,.sg-card-del:focus-visible{opacity:1;transform:scale(1) translateY(0)}.sg-card-del:hover{background:#fdeaea;color:#c0392b}.sg-empty{margin-top:34px;padding:44px 24px 52px;text-align:center;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--e1);animation:sgRise var(--t-slow) var(--ease) .08s both}.sg-empty-art{width:200px;height:150px;margin-bottom:6px}.sg-empty h2{margin:0 0 4px;font-size:16px;font-weight:650}.sg-empty p{margin:0;font-size:13px;color:var(--text-dim)}.sg-empty-back{fill:#eef1f4}.sg-empty-mid{fill:#f6f8f9;stroke:var(--border);stroke-width:1}.sg-empty-page{stroke:var(--border-strong);stroke-width:1}.sg-empty-band{fill:var(--accent-soft)}.sg-empty-headbar{fill:var(--accent);opacity:.6}.sg-empty-label{fill:#c3c9d0}.sg-empty-cell{fill:#dde2e7}.sg-empty-front{animation:sgRise .5s var(--ease) .1s both}.sg-empty-card{fill:#fff;stroke:var(--border-strong);stroke-width:1;filter:drop-shadow(0 6px 14px rgba(16,24,40,.12))}.sg-empty-chart{animation:sgPop .5s var(--ease) .28s both;transform-origin:147px 88px}.sg-empty-bar{fill:#b9dcc7;animation:sgGrowUp .5s var(--ease) both;transform-origin:0 106px}.sg-empty-bar.accent{fill:var(--accent)}.sg-dropdown{position:absolute;top:calc(100% + 4px);left:0;z-index:95;background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:0 14px 38px #00000026;padding:5px}.sg-dd-item{display:flex;align-items:center;gap:9px;width:100%;border:none;background:none;padding:7px 10px;border-radius:7px;font-size:12.5px;color:var(--text);cursor:pointer;font-family:inherit}.sg-dd-item:hover{background:var(--accent-soft);color:var(--accent)}.sg-dd-icon{width:18px;display:inline-flex;justify-content:center;color:var(--text-soft);flex-shrink:0}.sg-dd-item:hover .sg-dd-icon{color:var(--accent)}.sg-dd-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:3px}.sg-dd-cell{display:flex;flex-direction:column;align-items:center;gap:3px;border:1px solid transparent;background:none;padding:7px 4px;border-radius:8px;cursor:pointer;color:var(--text-soft);font-family:inherit;font-size:10px}.sg-dd-cell:hover{background:var(--accent-soft);color:var(--accent);border-color:#18803833}.sg-titlebar{display:flex;align-items:flex-start;gap:12px;padding:8px 14px 0;background:#fff;border-bottom:1px solid var(--border);position:relative;z-index:30}.sg-titlecol{display:flex;flex-direction:column;min-width:0;flex:1}.sg-titlerow{display:flex;align-items:center;gap:4px;min-width:0}.sg-menubar{display:flex;align-items:center;gap:1px;padding:1px 0 4px}.sg-menubtn{border:none;background:none;padding:4px 11px;border-radius:6px;font-size:13px;color:var(--text);cursor:pointer;font-family:inherit}.sg-menubtn:hover,.sg-menubtn.on{background:#eceff2}.sg-dd-sep{border:none;border-top:1px solid var(--border);margin:4px 0}.sg-dd-hint{color:var(--text-dim);font-size:11px;font-family:JetBrains 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