:root{--surface:#f5f7f1;--panel:#fff;--panel-strong:#f7faf8;--panel-soft:#fbfcf7;--line:#dbe1d6;--ink:#334049;--ink-strong:#11191f;--muted:#6f7b82;--accent:#2e6f6f;--focus:#2d756c;--selected:#e7f1ed;--mono:"SFMono-Regular", Consolas, "Liberation Mono", monospace;--sans:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;color:var(--ink);background:var(--surface);font-family:var(--sans);letter-spacing:0;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px;line-height:1.45}*{box-sizing:border-box}html{background:var(--surface);min-width:320px;height:100%}body{min-width:320px;height:100%;min-height:100svh;margin:0;overflow:hidden}#root{height:100%;min-height:100svh}@media (width<=860px){html,body,#root{height:auto}body{overflow:auto}}.app-shell{background:linear-gradient(90deg, #0e1f2a0d 1px, transparent 1px), linear-gradient(180deg, #0e1f2a0d 1px, transparent 1px), 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