:root{--bg: #eef2f5;--ink: #0a2437;--ink-muted: #4a6274;--teal: #16dfd4;--teal-ink: #0a8f88;--teal-dim: rgba(22, 223, 212, .16);--panel: rgba(253, 255, 253, .94);--line: rgba(10, 36, 55, .1);--shadow: 0 12px 40px rgba(10, 36, 55, .12);--radius: 14px;--font: "Roboto", system-ui, -apple-system, "Segoe UI", sans-serif}*,*:before,*:after{box-sizing:border-box}html,body,#root{margin:0;height:100%;overflow:hidden;background:var(--bg);font-family:var(--font);color:var(--ink);-webkit-font-smoothing:antialiased}button,input{font-family:var(--font)}.app{position:relative;width:100%;height:100%}.canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab}.canvas:active{cursor:grabbing}.label-layer{position:absolute;top:0;right:0;bottom:0;left:0;z-index:5;pointer-events:none}.leader-svg{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;width:100%;height:100%;overflow:visible}.leader-svg line{stroke:#0a243773;stroke-width:1}.leader-svg circle{fill:#fff;stroke:var(--ink);stroke-width:1.5}.leader-svg line.focus{stroke:var(--teal-ink);stroke-width:1.5}.leader-svg circle.focus{fill:var(--teal);stroke:var(--ink)}.region-label{position:absolute;left:0;top:0;padding:3px 9px;border-radius:999px;background:#fdfffdf2;border:1px solid var(--line);font-size:12px;font-weight:500;color:var(--ink);white-space:nowrap;box-shadow:0 2px 8px #0a243714;pointer-events:auto;cursor:pointer;transition:background .15s,color .15s;will-change:transform}.region-label:hover,.region-label.focus{background:var(--ink);color:#fdfffd;border-color:var(--ink)}.sidebar{position:absolute;top:16px;left:16px;bottom:16px;z-index:10;width:300px;display:flex;flex-direction:column;background:var(--panel);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}.brand{padding:18px 18px 10px}.brand 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720px){.bottom-bar{gap:6px;padding:6px}.bottom-bar .btn{padding:7px 11px;font-size:.78rem}.toolbar{justify-content:center}}