(function() { var root = document.documentElement; var theme = "dark"; try { var pref = localStorage.getItem("starlark-theme-preference"); if (pref === "day" || pref === "light") { theme = "light"; } else if (pref === "night" || pref === "dark") { theme = "dark"; } else { var loc = null; try { var stored = JSON.parse(localStorage.getItem("starlark-sun-location") || "null"); if (stored && typeof stored.latitude === "number" && typeof stored.longitude === "number") { loc = stored; } } catch (e) {} if (!loc) { var zones = { "America/New_York": [40.71, -74.01], "America/Detroit": [42.33, -83.05], "America/Indiana/Indianapolis": [39.77, -86.16], "America/Kentucky/Louisville": [38.25, -85.76], "America/Chicago": [41.88, -87.63], "America/Denver": [39.74, -104.99], "America/Boise": [43.62, -116.2], "America/Phoenix": [33.45, -112.07], "America/Los_Angeles": [34.05, -118.24], "America/Anchorage": [61.22, -149.9], "Pacific/Honolulu": [21.31, -157.86], "America/Puerto_Rico": [18.47, -66.11], "Europe/London": [51.51, -0.13] }; var zone = ""; try { zone = Intl.DateTimeFormat().resolvedOptions().timeZone || ""; } catch (e) {} var known = zones[zone]; loc = known ? { latitude: known[0], longitude: known[1] } : { latitude: 35, longitude: -(new Date().getTimezoneOffset() / 4) }; } var now = Date.now(); var rad = Math.PI / 180; var crossed = false; theme = "dark"; for (var k = -1; k <= 1; k++) { var d = new Date(now + k * 864e5); var start = Date.UTC(d.getUTCFullYear(), 0, 0); var day = Date.UTC(d.getUTCFullYear(), d.getUTCMonth(), d.getUTCDate()); var g = (2 * Math.PI / 365) * (Math.round((day - start) / 864e5) - 1); var eq = 229.18 * (0.000075 + 0.001868 * Math.cos(g) - 0.032077 * Math.sin(g) - 0.014615 * Math.cos(2 * g) - 0.040849 * Math.sin(2 * g)); var dec = 0.006918 - 0.399912 * Math.cos(g) + 0.070257 * Math.sin(g) - 0.006758 * Math.cos(2 * g) + 0.000907 * Math.sin(2 * g) - 0.002697 * Math.cos(3 * g) + 0.00148 * Math.sin(3 * g); var lat = loc.latitude * rad; var cosH = Math.cos(90.833 * rad) / (Math.cos(lat) * Math.cos(dec)) - Math.tan(lat) * Math.tan(dec); if (cosH < -1 || cosH > 1) { continue; } crossed = true; var ha = Math.acos(cosH) / rad; var rise = day + (720 - 4 * (loc.longitude + ha) - eq) * 6e4; var set = day + (720 - 4 * (loc.longitude - ha) - eq) * 6e4; if (now >= rise && now < set) { theme = "light"; break; } } if (!crossed) { var hour = new Date().getHours(); theme = hour >= 7 && hour < 19 ? "light" : "dark"; } } } catch (e) { theme = "dark"; } root.dataset.theme = theme; root.style.colorScheme = theme; try { var localHour = new Date().getHours(); root.dataset.daypart = localHour >= 17 || localHour < 4 ? "evening" : "day"; // K3-6: the part of the day by name (lib/day-part.ts — keep in step). root.dataset.part = localHour < 4 ? "late_night" : localHour < 6 ? "early_morning" : localHour < 12 ? "morning" : localHour < 17 ? "afternoon" : localHour < 21 ? "evening" : "late_evening"; root.dataset.greeting = localHour >= 4 && localHour < 12 ? "morning" : localHour >= 12 && localHour < 17 ? "afternoon" : "evening"; } catch (e) {} try { // The operator's time zone, so the server can render "today" in it (no // after-load text swap). Read by lib/operator-time-zone.ts. var tz = Intl.DateTimeFormat().resolvedOptions().timeZone; var tzCookie = "starlark_tz=" + encodeURIComponent(tz); if (tz && document.cookie.split("; ").indexOf(tzCookie) === -1) { document.cookie = tzCookie + "; path=/; max-age=31536000; samesite=lax"; } } catch (e) {} try { // macOS desktop: the window has an inset title bar, so pages without the // top bar (sign-in, Present, errors) need their own drag strip. var bridge = window.starlark; if (bridge && bridge.isDesktop && bridge.platform === "darwin") { root.dataset.desktopInset = "true"; } } catch (e) {} try { var density = localStorage.getItem("starlark-density"); if (density === "compact" || density === "large") { root.dataset.density = density; } } catch (e) {} })();

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