:root{--ink:#151515;--muted:#777;--line:#e5e5e3;--soft:#f7f7f5;--paper:#fff;--selected:#181818;--highlight:#efeee9}
*{box-sizing:border-box}body{margin:0;background:#f8f8f7;color:var(--ink);font:14px/1.5 Inter,"Helvetica Neue",Arial,"Noto Sans SC",sans-serif;-webkit-font-smoothing:antialiased}
button,input{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.app{max-width:1700px;margin:auto;min-height:100vh;background:white}
.topbar{height:66px;padding:0 35px;display:flex;align-items:center;gap:30px;border-bottom:1px solid var(--line)}
.brand{font-size:16px;font-weight:650;letter-spacing:-.45px;display:flex;align-items:center;gap:10px;white-space:nowrap}.mark{font-size:24px;line-height:1}.muted{color:var(--muted);font-weight:400}.eyebrow{font-size:12px;color:var(--muted);margin-left:auto}.doclink{border-bottom:1px solid #bbb;font-size:12px}
.intro{padding:36px 40px 30px;display:flex;gap:32px;align-items:end;justify-content:space-between}.overline,.section-label{font-size:10px;letter-spacing:1.45px;color:#858580;font-weight:700}
h1{font-size:clamp(30px,3vw,48px);line-height:1.08;letter-spacing:-2px;font-weight:560;margin:13px 0}p{margin:0;color:#686868;max-width:680px;font-size:14px}
.intro-stat{text-align:right;white-space:nowrap;padding-bottom:5px}.big-number{font-size:32px;line-height:1.2;letter-spacing:-1px;font-weight:550}
.tabs{padding:0 40px;display:flex;gap:26px;border-bottom:1px solid var(--line);overflow-x:auto} .tab{white-space:nowrap;border:0;border-bottom:2px solid transparent;background:none;padding:15px 0 17px;display:flex;align-items:center;gap:12px;font-weight:570;color:#858585}.tab.active{border-bottom-color:#141414;color:#151515}.tab-no{font-size:10px;color:#aaa;font-weight:400}
.workspace{display:grid;grid-template-columns:264px minmax(360px,1fr) 300px;min-height:620px;height:calc(100vh - 295px);max-height:990px;border-bottom:1px solid var(--line)}
.sidebar{border-right:1px solid var(--line);min-width:0;display:flex;flex-direction:column}.side-head{padding:24px 20px 13px;display:flex;justify-content:space-between}.tiny{font-size:11px;color:#aaa}.search{margin:0 15px 18px;padding:9px 12px;border:1px solid var(--line);display:flex;gap:8px;align-items:center;color:#888}.search input{width:100%;border:0;outline:0;background:none;min-width:0;font-size:12px;color:#222}
.outline{overflow:auto;flex:1;padding:0 10px 20px}.outline-item{border:0;display:flex;align-items:center;gap:7px;width:100%;background:none;text-align:left;padding:8px 6px;font-size:12px;color:#484848;border-radius:4px;white-space:nowrap;overflow:hidden}.outline-item:hover{background:#f5f5f3}.outline-item.active{background:#ececea;color:#111;font-weight:650}.outline-toggle{width:14px;text-align:center;flex-shrink:0;color:#999}.outline-name{overflow:hidden;text-overflow:ellipsis}.outline-kind{margin-left:auto;color:#aaa;font-size:9px;flex-shrink:0;text-transform:uppercase}.side-foot{border-top:1px solid var(--line);padding:16px 18px;color:#8a8a8a;font-size:11px;display:flex;gap:8px;align-items:start}.dot,.legend-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#222;flex-shrink:0;margin-top:5px}
.graph-panel{display:flex;flex-direction:column;min-width:0;background:#fff}.canvas-top{display:flex;align-items:center;justify-content:space-between;padding:22px 25px;border-bottom:1px solid var(--line);gap:18px}.canvas-top h2{font-weight:540;font-size:20px;letter-spacing:-.6px;margin:7px 0 0}.toolbar{display:flex;align-items:center;gap:2px;flex-wrap:wrap;justify-content:flex-end}.toolbar button{border:1px solid #eee;background:#fafafa;color:#444;padding:6px 9px;min-width:28px;font-size:11px}.toolbar button:hover{border-color:#bbb}.zoom-label{color:#999;font-size:10px;min-width:39px;text-align:center}
.canvas-wrap{position:relative;overflow:auto;flex:1;background-image:radial-gradient(#e6e6e4 .6px,transparent .6px);background-size:19px 19px}.canvas{min-width:100%;min-height:100%;transform-origin:0 0}#diagram{display:block;overflow:visible}.canvas-bottom{padding:12px 22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:8px}.legend{display:flex;gap:9px;align-items:center;font-size:11px;color:#858585}.import-diff{font-size:11px;color:#666;text-decoration:underline;cursor:pointer}.import-diff input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.detail{border-left:1px solid var(--line);padding:24px 22px;min-width:0;overflow:auto}.detail-body{margin-top:26px}.empty-detail{color:#aaa;font-size:13px;line-height:1.9;margin-top:26px}
.detail h3{font-size:24px;font-weight:540;letter-spacing:-.8px;line-height:1.2;margin:10px 0 14px}.detail p{font-size:13px;color:#535353;line-height:1.8}.micro{font-size:10px;color:#aaa;letter-spacing:.5px;text-transform:uppercase}.pill{display:inline-block;padding:2px 8px;border:1px solid #ddd;color:#555;background:#fafafa;font-size:10px;border-radius:30px;margin-right:5px;margin-top:7px}
.info-block{margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}.info-block .section-label{margin-bottom:11px}.detail-link{display:block;font-size:12px;padding:7px 0;border-bottom:1px solid #f0f0f0;color:#555;overflow-wrap:anywhere}.detail-link:hover{color:#000;text-decoration:underline}
.signature{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:11px;line-height:1.8;padding:12px;background:var(--soft);overflow-wrap:anywhere;white-space:pre-wrap}.warning{padding:10px 12px;background:#f8f7f4;font-size:11px;color:#8a7460;margin-bottom:10px}.statusline{display:flex;align-items:center;gap:7px;color:#6e6e6e;font-size:11px;margin-bottom:15px}
footer{padding:17px 32px;display:flex;justify-content:space-between;font-size:10px;letter-spacing:.8px;color:#aaa}
.node-rect{stroke:#dededb;stroke-width:1;fill:white}.node-selected .node-rect{stroke:#202020;stroke-width:2}.node-group .node-rect{fill:#eeeefa}.node-root .node-rect{fill:#161616;stroke:#161616}.node-label{font-size:12px;fill:#242424;font-weight:600}.node-caption{font-size:10px;fill:#969696}.node-root .node-label{fill:white}.node-root .node-caption{fill:#bcbcbc}.node-kind{font-size:9px;letter-spacing:.6px;fill:#aaa}.node-root .node-kind{fill:#aaa}.node-toggle{font-size:13px;fill:#aaa}.link-primary{stroke:#c9c9c7;stroke-width:1.2;fill:none}.graph-node{cursor:pointer}.graph-node:hover .node-rect{stroke:#666}.node-changed .node-rect{stroke:#5d7d77;stroke-width:2}.node-added .node-rect{stroke:#5d7d77;stroke-width:2}.node-match .node-rect{fill:#f8f8ee}
@media(max-width:1250px){.workspace{grid-template-columns:220px minmax(320px,1fr)}.detail{grid-column:1 / -1;border-left:0;border-top:1px solid var(--line);max-height:360px}.workspace{height:auto;min-height:780px}.graph-panel{min-height:600px}.sidebar{min-height:600px}}
@media(max-width:700px){.topbar{padding:0 18px}.eyebrow,.intro-stat,.doclink{display:none}.intro{padding:26px 20px 20px}.tabs{padding:0 20px;gap:20px}.workspace{display:block}.sidebar{max-height:245px;border-right:0;border-bottom:1px solid var(--line)}.canvas-top{padding:18px;align-items:start;flex-wrap:wrap}.graph-panel{height:500px;min-height:500px}.detail{padding:20px}.canvas-bottom{padding:12px}.toolbar{justify-content:flex-start}footer{padding:18px}}