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sunscope/assets/js/app.js
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fraxle 445fba033d 3.0 Beta 1
New simple mode display with graph. First render and scaling test.
2026-06-12 21:22:18 +01:00

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// ════════════════════════════════════════════════════════════════════════
// app.js — Main UTCIForecast component.
//
// This is the top-level Preact component that owns all state, fetches
// the forecast, runs the per-hour computations, and renders the page.
//
// Reading order inside UTCIForecast():
// 1. STATE (useState calls) — bits that change on interaction
// 2. EFFECTS (useEffect calls) — runs on search / location change
// 3. COMPUTATION (hourlyRows, days, …) — API data → display rows
// 4. JSX RETURN (the big html`...`) — actual page markup
//
// QUICK MAP
// ──────────────────────────────────────────────────────────────────────
// Forecast length .............. fetch URL contains &forecast_days=14
// Free tier day limit .......... const FREE_DAYS = 3
// Preview the Pro view ......... useState(false) on isPro → flip to true
// Starting location ............ useState({...}) on `location` near top
// Default columns shown ........ useState({...}) on visibleCols
// Page tagline / about copy .... search "utci-tagline" or "utci-about-text"
// ════════════════════════════════════════════════════════════════════════
import { h, render, Fragment } from '../vendor/preact.js';
import { useState, useRef, useEffect } from '../vendor/preact-hooks.js';
import htm from '../vendor/htm.js';
import {
utciCategory, UTCI_BANDS, bandGradient,
SKIN_TYPES, sunburnMinutes, burnLabel,
VEHICLE_TYPES, BUILDING_TYPES,
confidenceBand, moonGlyph,
} from './utils.js';
import { SkyScope, WindVane, CloudIcon, ScopeReticle, PrecipIcon, CustomSelect, VentPill } from './components.js';
import { getCellTagEvents, getUpcomingEvents } from './events.js';
import { POLLEN_TYPES, COL_DESCRIPTIONS, UTCI_ENVIRONMENTS } from './config.js';
import { useAppState } from './hooks/useAppState.js';
import { DayTabs } from './components/DayTabs.js';
import { WelcomeModal } from './components/WelcomeModal.js';
import { RestoreModal } from './components/RestoreModal.js';
import { computeWhyFeelsLike, computeGlanceSummary } from './compute.js';
import { solarElevationDeg } from './physics.js';
import { exportDayXls } from './export.js';
const html = htm.bind(h);
// ── Scope time-lapse playback ───────────────────────────────────────────
// Drives the big scope through the next 24h so you can watch the sky/ground
// gradients and weather evolve. Speed: 15 simulated minutes every 5 real
// seconds (≈ a full day in 8 minutes). UI advances smoothly every 200ms.
const PLAYBACK_SIM_MS_PER_REAL_MS = 180; // 15 min / 5 s = 180×
const PLAYBACK_STEP_MS = 200; // UI update cadence
const PLAYBACK_WINDOW_MS = 24 * 60 * 60 * 1000;
// Interpolates the hourly rows to an arbitrary instant (ms). Returns a row
// with smoothly blended elevation / cloud / precip so the scope animates
// continuously rather than snapping hour to hour.
function interpolateRowAt(rows, t) {
if (!rows || rows.length === 0) return null;
if (t <= +rows[0].dt) return rows[0];
if (t >= +rows[rows.length - 1].dt) return rows[rows.length - 1];
let lo = rows[0], hi = rows[1];
for (let i = 1; i < rows.length; i++) {
if (+rows[i].dt >= t) { lo = rows[i - 1]; hi = rows[i]; break; }
}
const f = (t - +lo.dt) / (+hi.dt - +lo.dt);
const L = (a, b) => (a == null || b == null) ? (a ?? b) : a + (b - a) * f;
return {
...lo,
dt: new Date(t),
elev: L(lo.elev, hi.elev),
glob: L(lo.glob, hi.glob),
utciAdj: L(lo.utciAdj, hi.utciAdj),
cc: L(lo.cc, hi.cc),
ccLow: L(lo.ccLow, hi.ccLow),
ccMid: L(lo.ccMid, hi.ccMid),
ccHigh: L(lo.ccHigh, hi.ccHigh),
precip: L(lo.precip, hi.precip),
snow: L(lo.snow, hi.snow),
visKm: L(lo.visKm, hi.visKm),
};
}
export function UTCIForecast() {
// ── STATE + EFFECTS ───────────────────────────────────────────────────
// All useState, useEffect, useCallback and useRef logic lives in
// useAppState. See hooks/useAppState.js for the full reading order.
const {
location, setLocationAndSave,
forecast, airQuality, loading, error, now, fetchedAt,
searchQuery, setSearchQuery, searchResults, setSearchResults, searching,
selectedDay, setSelectedDay,
proPromptDay, setProPromptDay,
proPromptSource, setProPromptSource,
dayTabsRef, canScrollLeft, canScrollRight, scrollDayTabs,
isPro, setIsPro,
activeProfile, setActiveProfile, activateProfile, activeCols,
visibleCols, setVisibleCols, toggleCol,
showDecimals, toggleShowDecimals,
welcomeOpen, closeWelcome, openWelcome,
restoreOpen, openRestore, closeRestore,
showUnits, toggleShowUnits,
tableInterval, setTableInterval,
forecastView, setForecastView,
activityOptions, placeOptions, workOptions,
activityValue, activityLabel, placeValue, placeLabel, workValue, workLabel,
skinType, setSkinType,
vehicleType, setVehicleType,
vehicleVent, setVehicleVent,
outdoorsVariant, setOutdoorsVariantAndSave,
buildingType, setBuildingType,
indoorManaged, setIndoorManaged,
indoorMode, setIndoorMode,
pollenType, setPollenTypeAndSave,
utciEnv, setUtciEnv,
headStickyRef, headTrackRef, headTableRef,
bodyScrollRef, bodyTableRef, tableWrapRef,
colPopup, colPopupRef,
handleThClick, handleThEnter, handleThLeave,
handlePopupEnter, handlePopupLeave,
eventTagPopup, eventTagPopupRef,
evSlideIndex, evTransition, evSlideTo,
handleEventTagClick, handleEventTagEnter, handleEventTagLeave,
handleEventTagPopupEnter, handleEventTagPopupLeave,
closePopup, closeEventTagPopup,
tableCanScrollLeft, tableCanScrollRight, handleBodyScroll,
hourlyRows, days, utcOffsetMs,
visible, tableRows, nowLocalISO, currentRow, currentCat,
liveElev,
activeEvents, lensEvent, selectedDayEvents,
bannerIndex, bannerTransition, bannerPrevIndex,
bannerVisible, bannerStageRef,
bannerSlideTo, dismissBanner,
} = useAppState();
// Search is hidden by default and revealed via the magnifier next to the
// location. The input then overlays the location line to save space.
const [searchOpen, setSearchOpen] = useState(false);
const searchWrapRef = useRef(null);
const [colTogglesOpen, setColTogglesOpen] = useState(false);
const searchInputRef = useRef(null);
// Focus the input the moment the search opens.
useEffect(() => {
if (searchOpen) searchInputRef.current?.focus();
}, [searchOpen]);
// Close the search on outside-click or Escape, clearing any stray query.
useEffect(() => {
if (!searchOpen) return;
const onDown = (e) => {
if (searchWrapRef.current && !searchWrapRef.current.contains(e.target)) {
setSearchOpen(false);
setSearchQuery('');
}
};
const onKey = (e) => {
if (e.key === 'Escape') { setSearchOpen(false); setSearchQuery(''); }
};
document.addEventListener('mousedown', onDown);
document.addEventListener('keydown', onKey);
return () => {
document.removeEventListener('mousedown', onDown);
document.removeEventListener('keydown', onKey);
};
}, [searchOpen, setSearchQuery]);
// ─── SCOPE TIME-LAPSE ──────────────────────────────────────────────────
// `playing` toggles the time-lapse; `simMs` is the simulated instant shown.
const [playing, setPlaying] = useState(false);
const [simMs, setSimMs] = useState(null);
useEffect(() => {
if (!playing) return;
const start = now.getTime();
const end = start + PLAYBACK_WINDOW_MS;
setSimMs(prev => (prev == null || prev < start || prev > end) ? start : prev);
const id = setInterval(() => {
setSimMs(prev => {
let next = (prev == null ? start : prev) + PLAYBACK_STEP_MS * PLAYBACK_SIM_MS_PER_REAL_MS;
if (next > end) next = start; // loop back to "now"
return next;
});
}, PLAYBACK_STEP_MS);
return () => clearInterval(id);
}, [playing]);
// Columns that mark the start of a logical group - used to draw a faint
// vertical border separating groups in the forecast table.
const GROUP_ORDER = {
felt: ['utciP', 'vehicleT', 'indoorT', 'managedT', 'burn', 'utci', 'delta', 'tmrt'],
surface: ['concreteT', 'soilT', 'soilT6', 'soilM'],
ambient: ['air', 'rh', 'dew'],
precip: ['precip', 'precipProb'],
sky: ['cloud', 'vis'],
wind: ['wind', 'dir'],
airqual: ['aqi', 'pollen'],
solar: ['uvA', 'uvB', 'sun', 'direct', 'diffuse'],
};
const GROUP_OF = Object.fromEntries(
Object.entries(GROUP_ORDER).flatMap(([g, keys]) => keys.map(k => [k, g]))
);
// Returns col-group-start when this column is the leftmost VISIBLE member
// of its group. If the canonical first member is hidden the border migrates
// to the next visible column in the same group.
const isColVisible = (k) => {
if (k === 'indoorT') return indoorMode === 'on' && !indoorManaged;
if (k === 'managedT') return indoorMode === 'on' && indoorManaged;
return !!visibleCols[k];
};
const groupStart = (key) => {
const group = GROUP_OF[key];
if (!group) return '';
const first = GROUP_ORDER[group].find(isColVisible);
return first === key ? 'col-group-start' : '';
};
// Returns a CSS class encoding the group name - used to tint header cells
// and group label spans.
const groupColor = (key) => {
const g = GROUP_OF[key];
return g ? `grp-${g}` : '';
};
// Builds the group label row above the column headers.
// Each visible group gets one spanning cell; groups with no visible
// columns are skipped entirely. Hour always gets a blank lead cell.
const groupLabelRow = () => {
const groups = Object.keys(GROUP_ORDER);
const cells = [html`<th class="grp-label-hour" scope="col"><span class="grp-label-date">${glanceDate}</span></th>`];
for (const g of groups) {
const span = GROUP_ORDER[g].filter(isColVisible).length;
if (span === 0) continue;
const labels = { felt: 'Felt', surface: 'Surface', ambient: 'Ambient', precip: 'Precip', sky: 'Sky', wind: 'Wind', airqual: 'Air quality', solar: 'Solar' };
cells.push(html`<th class=${`grp-label grp-label-${g} grp-${g}`} colspan=${span} scope="colgroup">${labels[g]}</th>`);
}
return html`<tr class="grp-label-row">${cells}</tr>`;
};
// Continuous temperature colour scale - hoisted so both the table columns
// and the thermal stress legend can share the same function.
const TEMP_STOPS = [
[-10, [ 90, 155, 220]],
[ 0, [140, 195, 235]],
[ 10, [155, 215, 195]],
[ 16, [140, 210, 140]],
[ 20, [195, 225, 110]],
[ 24, [240, 225, 80]],
[ 28, [250, 175, 65]],
[ 32, [240, 120, 55]],
[ 36, [220, 70, 50]],
[ 40, [185, 30, 30]],
[ 50, [130, 0, 20]],
];
const airTempRgb = (t) => {
if (t == null) return null;
const clamp = (v, lo, hi) => Math.max(lo, Math.min(hi, v));
let i = TEMP_STOPS.findIndex(s => t < s[0]);
if (i === -1) i = TEMP_STOPS.length;
const raw = i === 0 ? TEMP_STOPS[0][1]
: i >= TEMP_STOPS.length ? TEMP_STOPS[TEMP_STOPS.length-1][1]
: (() => {
const [t0, c0] = TEMP_STOPS[i-1];
const [t1, c1] = TEMP_STOPS[i];
const x = clamp((t - t0) / (t1 - t0), 0, 1);
const lerp = (a, b) => Math.round(a + (b - a) * x);
return [lerp(c0[0],c1[0]), lerp(c0[1],c1[1]), lerp(c0[2],c1[2])];
})();
return raw.map(c => Math.min(255, Math.round(c + (255 - c) * 0.66)));
};
// ─── 3b. PANEL COMPUTATIONS ──────────────────────────────────────────
// Derived from currentRow and the active day - no side effects.
const whyFeelsLike = computeWhyFeelsLike(currentRow ?? null, UTCI_ENVIRONMENTS[utciEnv]);
// Interpolated row at the precise current instant — used for the scope
// display even outside playback so there's no jump when play is pressed.
const nowRow = interpolateRowAt(hourlyRows, now.getTime());
// During time-lapse, advance from simMs; otherwise fall back to nowRow/currentRow.
const simRow = (playing && simMs != null) ? interpolateRowAt(hourlyRows, simMs) : null;
const scopeRow = simRow || nowRow || currentRow;
// Elevation computed continuously from the simulated instant so the sun
// starts exactly where liveElev left off (same solarElevationDeg call).
const scopeElev = (playing && simMs != null && location?.lat != null)
? solarElevationDeg(location.lat, location.lon, new Date(simMs))
: (liveElev ?? currentRow?.elev ?? 0);
const scopeDt = simRow ? simRow.dt : now;
const scopeCat = scopeRow ? utciCategory(scopeRow.utciAdj) : currentCat;
// Synthesize a storm overlay (lightning) when the simulated hour is wet;
// outside playback keep the real active event.
const scopeEvent = simRow ? ((simRow.precip ?? 0) >= 4 ? { id: 'storm' } : null) : lensEvent;
// Local clock label for the playback button. The playback is a ROLLING 24h
// window from now, so it crosses into the next day — prefix the weekday
// (e.g. "Wed 14:30") so it's clear the scope has rolled past midnight and is
// showing tomorrow's hour, not today's table row for the same clock time.
const simClock = (playing && scopeDt)
? (() => {
const d = new Date(scopeDt.getTime() + utcOffsetMs);
const wd = d.toLocaleDateString('en-GB', { weekday: 'short', timeZone: 'UTC' });
return `${wd} ${d.toISOString().slice(11, 16)}`;
})()
: null;
const staleThreshMs = isPro ? 15 * 60 * 1000 : 30 * 60 * 1000;
const isStale = fetchedAt ? (now - fetchedAt) > staleThreshMs : false;
const glanceSummary = computeGlanceSummary(
days[selectedDay]?.rows ?? [],
activeProfile,
outdoorsVariant,
skinType,
visibleCols,
);
// Human-readable date for the "Day at a glance" heading, e.g. "Mon 2nd June 2026".
const glanceDate = (() => {
const key = days[selectedDay]?.key;
if (!key) return '';
const d = new Date(key + 'T00:00Z');
const wd = d.toLocaleDateString('en-GB', { weekday: 'short', timeZone: 'UTC' });
const day = d.getUTCDate();
const mon = d.toLocaleDateString('en-GB', { month: 'long', timeZone: 'UTC' });
const yr = d.getUTCFullYear();
const ord = (n => { const s = ['th', 'st', 'nd', 'rd'], v = n % 100; return s[(v - 20) % 10] || s[v] || s[0]; })(day);
return `${wd} ${day}${ord} ${mon} ${yr}`;
})();
// Pro: export the selected day's full hourly data as a styled spreadsheet.
const handleExportDay = () => {
exportDayXls(visible, {
locationName: location?.name ?? 'Unknown',
dateLabel: glanceDate,
skinType,
});
};
// Day's events surfaced in the "Day at a glance" box. Reuses the same
// row shape as glanceSummary items: { icon, label, value, alert }.
const hhmm = (iso) => (iso ? iso.slice(11, 16) : '');
const eventGlanceItems = (selectedDayEvents ?? [])
.filter(ev => ev.type !== 'promo')
.map(ev => ({
icon: ev.emoji,
label: ev.title,
value: ev.isoRange
? (ev.isoRange[0] === ev.isoRange[1]
? hhmm(ev.isoRange[0])
: `${hhmm(ev.isoRange[0])} ${hhmm(ev.isoRange[1])}`)
: (ev.nightOnly ? 'Overnight' : 'All day'),
alert: false,
}));
// ─── 4. JSX RETURN ───────────────────────────────────────────────────
// Everything below is the actual page markup, written as one big HTM
// template. Search tips:
// • "utci-header" — the top section (title + dial + search)
// • "utci-day-tabs" — the 14 day buttons with band colours
// • "col-toggles" — the column-customisation row (Pro only)
// • "utci-table" — the hourly table itself
// • "utci-legend" — the thermal-stress band legend
// • "utci-about" — the explainer paragraphs at the bottom
// • "utci-footer" — the "reading the table" note
return html`
<div class="utci-app">
<nav class="utci-topnav" id="site-nav">
<div class="nav-overlay" onClick=${() => { const n = document.getElementById('site-nav'); n.classList.remove('nav-open'); document.getElementById('nav-drawer').classList.remove('is-open'); }}></div>
<div class="nav-logo" aria-hidden="true">
<span class="nav-logo-wordmark"><span class="nav-logo-sun">Sun</span><svg class="nav-logo-icon" viewBox="0 0 174 173" aria-hidden="true" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:1.5;"><g transform="matrix(0.986226,0,0,0.986226,-585.724252,-110.041209)"><clipPath id="ss-clip-n"><circle cx="681.9838" cy="199.4502" r="83.2987"/></clipPath><g clip-path="url(#ss-clip-n)"><g transform="matrix(0.948836,0,0,0.948836,19.787839,-2.49381)"><path d="M666.992,233.0768C666.3949,230.6581 666.1785,228.6317 666.1785,226.0296C666.1785,208.6786 680.2653,194.5919 697.6163,194.5919C714.9672,194.5919 729.054,208.6786 729.054,226.0296C729.054,228.4125 728.9892,230.9346 728.4859,233.1663" fill="none" stroke="#c8922a" stroke-width="7.48"/></g><g transform="matrix(0.520349,0,0,0.520349,304.766642,64.226716)"><path d="M724.9315,291.8131C777.359,291.8131 826.5862,305.6245 869.1698,329.8044" fill="none" stroke="currentColor" stroke-width="13.64"/></g><g transform="matrix(0.520349,0,0,0.520349,304.766642,64.226716)"><path d="M580.8436,329.719C623.3927,305.592 672.5657,291.8131 724.9315,291.8131" fill="none" stroke="currentColor" stroke-width="13.64"/></g></g><circle cx="681.9838" cy="199.4502" r="83.2987" fill="none" stroke="currentColor" stroke-width="9.13"/></g></svg><span class="nav-logo-scope">Scope</span></span>
<span class="nav-logo-tag">See the world the way your skin does.</span>
</div>
<div class="nav-links" id="nav-drawer">
<a href="./index.html">Forecast</a>
<a href="./about.html">About</a>
<a href="./faq.html">FAQ</a>
<a href=${isPro
? 'https://billing.stripe.com/p/login/9B63cw7vl8k15Ei9DQd7q00'
: 'https://buy.stripe.com/9B63cw7vl8k15Ei9DQd7q00'}
target="_blank" rel="noopener noreferrer">Account</a>
</div>
<button class="utci-burger" aria-label="Open menu" aria-expanded="false" id="burger-btn"
onClick=${() => {
const nav = document.getElementById('site-nav');
const drawer = document.getElementById('nav-drawer');
const btn = document.getElementById('burger-btn');
const open = nav.classList.toggle('nav-open');
drawer.classList.toggle('is-open', open);
btn.setAttribute('aria-expanded', open ? 'true' : 'false');
}}>
<span></span><span></span><span></span>
</button>
</nav>
<!-- Event flyout — a direct child of .utci-app (sibling of the nav) so its
position:fixed / z-index can sit above the nav. Keeping it inside
.utci-shell would trap it in the shell's stacking context. -->
<div class=${`event-banner-wrap${bannerVisible ? ' visible' : ''}`}>
${activeEvents.length > 0 && (() => {
const renderSlide = (idx, isOutgoing) => {
const ev = activeEvents[idx] || activeEvents[0];
const fmtDate = (iso) => iso
? new Date(iso + 'T00:00Z').toLocaleDateString('en-GB', { day: 'numeric', month: 'short', timeZone: 'UTC' })
: null;
const startFmt = fmtDate(ev.start);
const peakFmt = fmtDate(ev.peak);
const endFmt = fmtDate(ev.end);
const showDates = startFmt && endFmt;
const dateLine = showDates
? (startFmt === endFmt
? peakFmt ? `Peak: ${peakFmt}` : `Date: ${startFmt}`
: peakFmt && peakFmt !== startFmt && peakFmt !== endFmt
? `Active ${startFmt} ${endFmt} · Peak: ${peakFmt}`
: `Active ${startFmt} ${endFmt}`)
: null;
return html`
<div class=${isOutgoing ? 'event-banner event-banner--outgoing' : 'event-banner'}
style=${{ background: ev.color, color: ev.textColor }}
onClick=${isOutgoing ? undefined : () => dismissBanner(ev.id)}
role=${isOutgoing ? undefined : 'button'}
title=${isOutgoing ? undefined : 'Click to dismiss'}
>
<span class="event-banner-emoji">${ev.emoji}</span>
<div class="event-banner-body">
<div class="event-banner-title">${ev.title}</div>
<div class="event-banner-msg">${ev.message}</div>
${dateLine && html`
<div class="event-banner-dates" style=${{ opacity: 0.75, fontSize: '11px', fontFamily: 'Manrope, sans-serif', fontWeight: 700, letterSpacing: '0.05em', textTransform: 'uppercase', marginTop: '5px' }}>
${dateLine}
</div>
`}
${activeEvents.length > 1 && html`
<div class="event-banner-dots">
${activeEvents.map((_, i) => html`
<span
key=${i}
class=${`event-banner-dot${i === bannerIndex ? ' active' : ''}`}
onClick=${(e) => { e.stopPropagation(); bannerSlideTo(i); }}
style=${{ background: ev.textColor }}
/>
`)}
</div>
`}
</div>
${!isOutgoing && html`<button
class="event-banner-dismiss"
style=${{ color: ev.textColor }}
onClick=${(e) => { e.stopPropagation(); dismissBanner(ev.id); }}
aria-label="Dismiss"
title="Dismiss this event"
>✕</button>`}
</div>`;
};
return html`
<div class="event-banner-stage" ref=${bannerStageRef}>
${bannerTransition === 'crossfading' && bannerPrevIndex !== null
? renderSlide(bannerPrevIndex, true)
: null}
${renderSlide(bannerIndex, false)}
</div>`;
})()}
</div>
<main class="utci-shell">
<div class="utci-header">
<div class="header-left">
<h1 class="utci-title">
<span class="title-sun">Sun</span><svg class="title-icon" viewBox="0 0 174 173" aria-hidden="true" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:1.5;"><g transform="matrix(0.986226,0,0,0.986226,-585.724252,-110.041209)"><clipPath id="ss-clip-t"><circle cx="681.9838" cy="199.4502" r="83.2987"/></clipPath><g clip-path="url(#ss-clip-t)"><g transform="matrix(0.948836,0,0,0.948836,19.787839,-2.49381)"><path d="M666.992,233.0768C666.3949,230.6581 666.1785,228.6317 666.1785,226.0296C666.1785,208.6786 680.2653,194.5919 697.6163,194.5919C714.9672,194.5919 729.054,208.6786 729.054,226.0296C729.054,228.4125 728.9892,230.9346 728.4859,233.1663" fill="none" stroke="#c8922a" stroke-width="7.48"/></g><g transform="matrix(0.520349,0,0,0.520349,304.766642,64.226716)"><path d="M724.9315,291.8131C777.359,291.8131 826.5862,305.6245 869.1698,329.8044" fill="none" stroke="currentColor" stroke-width="13.64"/></g><g transform="matrix(0.520349,0,0,0.520349,304.766642,64.226716)"><path d="M580.8436,329.719C623.3927,305.592 672.5657,291.8131 724.9315,291.8131" fill="none" stroke="currentColor" stroke-width="13.64"/></g></g><circle cx="681.9838" cy="199.4502" r="83.2987" fill="none" stroke="currentColor" stroke-width="9.13"/></g></svg><span class="title-scope">Scope</span>
</h1>
<div class="utci-tagline">See the world the way your skin does.</div>
<div class="utci-loc-search" ref=${searchWrapRef}>
<div class="utci-current-loc">
<button
type="button"
class="utci-loc-name"
aria-label="Search for a town or city"
aria-expanded=${searchOpen}
onClick=${() => setSearchOpen((v) => !v)}
>
<svg class="utci-loc-pin" viewBox="0 0 24 24" width="15" height="15" aria-hidden="true">
<path fill="currentColor" d="M12 2c-3.87 0-7 3.13-7 7 0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7z" />
<circle cx="12" cy="9" r="2.5" fill="#fffcf2" />
</svg>
${location.name}
</button>
<button
type="button"
class="utci-search-toggle"
aria-label="Search for a town or city"
aria-expanded=${searchOpen}
onClick=${() => setSearchOpen((v) => !v)}
>
<svg viewBox="0 0 24 24" width="16" height="16" aria-hidden="true">
<circle cx="10.5" cy="10.5" r="6.5" fill="none" stroke="currentColor" stroke-width="2" />
<line x1="15.5" y1="15.5" x2="21" y2="21" stroke="currentColor" stroke-width="2" stroke-linecap="round" />
</svg>
</button>
<span class="utci-loc-coords">
${location.lat.toFixed(3)}°, ${location.lon.toFixed(3)}°
</span>
</div>
${fetchedAt && !loading && html`
<div class=${'utci-fetch-time' + (isStale ? ' is-stale' : '')}>
${isStale ? html`<span class="stale-dot" title="Data is older than expected - retrying">● </span>` : ''}Last update: ${fetchedAt.toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' })}
</div>`}
${searchOpen && html`
<div class="utci-search-wrap utci-search-overlay">
<input
ref=${searchInputRef}
class="utci-search"
type="text"
placeholder="Search any town or city…"
value=${searchQuery}
onInput=${(e) => setSearchQuery(e.currentTarget.value)}
/>
${searchResults.length > 0 && html`
<div class="utci-results">
${searchResults.map((r) => html`
<div
key=${`${r.id}-${r.latitude}`}
class="utci-result"
onClick=${() => {
setLocationAndSave({
name: `${r.name}${r.admin1 ? ', ' + r.admin1 : ''}`,
lat: r.latitude,
lon: r.longitude,
country: r.country_code,
});
setSearchQuery('');
setSearchResults([]);
setSelectedDay(0);
setSearchOpen(false);
}}
>
<div>${r.name}${r.admin1 ? `, ${r.admin1}` : ''}</div>
<div class="utci-result-meta">
${r.country} · ${r.latitude.toFixed(2)}°, ${r.longitude.toFixed(2)}°
</div>
</div>`)}
</div>`}
${searching && html`<div class="utci-searching">Searching…</div>`}
</div>`}
</div>
</div>
<div class="scope-col">
<${ScopeReticle}
value=${scopeRow?.utciAdj ?? null}
cat=${scopeCat}
loading=${loading}
elev=${scopeElev}
dt=${scopeDt}
glob=${scopeRow?.glob ?? 0}
activeEvent=${scopeEvent}
utciEnvShort=${UTCI_ENVIRONMENTS[utciEnv]?.shortLabel ?? null}
cc=${scopeRow?.cc ?? null}
ccLow=${scopeRow?.ccLow ?? null}
ccMid=${scopeRow?.ccMid ?? null}
ccHigh=${scopeRow?.ccHigh ?? null}
precip=${scopeRow?.precip ?? 0}
snow=${scopeRow?.snow ?? 0}
visKm=${scopeRow?.visKm ?? null}
env=${utciEnv}
wind=${scopeRow?.va ?? 0}
gust=${scopeRow?.gust ?? 0}
wd=${scopeRow?.wd ?? null}
/>
${hourlyRows.length > 0 && html`
<button type="button"
class=${`scope-play ${playing ? 'is-playing' : ''}`}
onClick=${() => { if (playing) { setPlaying(false); setSimMs(null); } else setPlaying(true); }}
title=${playing ? 'Stop time-lapse' : 'Play a 24-hour time-lapse on the scope'}>
<span class="scope-play-icon">${playing ? '◼' : '▶'}</span>
<span class="scope-play-label">${playing ? simClock : 'Day cycle'}</span>
</button>`}
</div>
<div class="header-right">
${forecast && currentRow && whyFeelsLike && html`
<div class="insight-panel insight-panel--why">
<div class="insight-env-footer" data-env=${utciEnv}>
<span class="insight-env-footer-label">Solar model</span>
<${CustomSelect}
value=${utciEnv}
isOn=${true}
noHide=${true}
grpClass="grp-felt"
options=${Object.entries(UTCI_ENVIRONMENTS).map(([k, v]) => ({
value: k,
label: v.label,
}))}
onChange=${(v) => setUtciEnv(v)}
/>
</div>
<div class="insight-panel-title">
Why It Feels
${currentCat && html`<span class="insight-thermal-cat" style=${{ background: currentCat.bg, color: currentCat.fg }}>${currentCat.label}</span>`}
</div>
${(() => {
const _wflItems = [
{ label: 'Sun and sky', icon: '☀', value: whyFeelsLike.sunAndSky },
{ label: 'Wind', icon: '🌬', value: whyFeelsLike.wind },
{ label: 'Humidity', icon: '💧', value: whyFeelsLike.humidity },
...(whyFeelsLike.environment !== 0 ? [
{ label: UTCI_ENVIRONMENTS[utciEnv]?.label ?? 'Environment', icon: '🌍', value: whyFeelsLike.environment }
] : []),
...(whyFeelsLike.precipitation !== 0 ? [
{ label: 'Precipitation', icon: '🌧', value: whyFeelsLike.precipitation }
] : []),
];
const _wflMax = Math.max(..._wflItems.map(i => Math.abs(i.value)), 0.1);
return _wflItems.map(({ label, icon, value }) => html`
<div class="insight-row" key=${label}>
<span class="insight-icon">${icon}</span>
<span class="insight-label">
${label}
<span class="insight-bar-track">
<span class=${'insight-bar ' + (value >= 0 ? 'bar-pos' : 'bar-neg')}
style=${{ width: `${Math.round(Math.abs(value) / _wflMax * 100)}%` }}></span>
</span>
</span>
<span class=${`insight-delta ${value >= 0 ? 'delta-pos' : 'delta-neg'}`}>
${value >= 0 ? '+' : ''}${value.toFixed(1)}°
</span>
</div>
`);
})()}
</div>`}
</div>
</div>
${error && html`
<div class="utci-status" style=${{ borderColor: '#3a1010', color: '#c44a3a' }}>
${error}
</div>`}
${loading && !error && html`
<div class="acquiring-overlay">
<div class="acquiring-popup">
<div class="acquiring-spinner"></div>
<div class="acquiring-label">Acquiring forecast data…</div>
</div>
</div>`}
${welcomeOpen && html`<${WelcomeModal} onClose=${closeWelcome} />`}
${restoreOpen && html`<${RestoreModal} onClose=${closeRestore} setIsPro=${setIsPro} />`}
${forecast && days.length > 0 && html`<${DayTabs}
days=${days}
selectedDay=${selectedDay} setSelectedDay=${setSelectedDay}
isPro=${isPro}
openRestore=${openRestore}
proPromptDay=${proPromptDay} setProPromptDay=${setProPromptDay}
proPromptSource=${proPromptSource} setProPromptSource=${setProPromptSource}
activeProfile=${activeProfile} activateProfile=${activateProfile} activeCols=${activeCols}
visibleCols=${visibleCols}
activityOptions=${activityOptions} placeOptions=${placeOptions} workOptions=${workOptions}
activityValue=${activityValue} activityLabel=${activityLabel}
placeValue=${placeValue} placeLabel=${placeLabel}
workValue=${workValue} workLabel=${workLabel}
outdoorsVariant=${outdoorsVariant} setOutdoorsVariantAndSave=${setOutdoorsVariantAndSave}
setActiveProfile=${setActiveProfile} setVisibleCols=${setVisibleCols}
setIndoorMode=${setIndoorMode} setIndoorManaged=${setIndoorManaged}
setBuildingType=${setBuildingType}
dayTabsRef=${dayTabsRef} canScrollLeft=${canScrollLeft} canScrollRight=${canScrollRight}
scrollDayTabs=${scrollDayTabs}
/>`}
<div class="table-with-rail">
<div class=${'table-main' + (forecastView === 'simple' ? ' table-main--simple' : '')}>
<div class="col-toggles">
<span class="forecast-view-toggle">
<button type="button" class=${'fvt-btn' + (forecastView === 'simple' ? ' on' : '')} onClick=${() => setForecastView('simple')}>Simple</button>
<button type="button" class=${'fvt-btn' + (forecastView === 'table' ? ' on' : '')} onClick=${() => setForecastView('table')}>Table</button>
</span>
<span class="fvt-interval">
${[1, 2, 3, 4].map(n => html`<button key=${n} type="button" class=${'hour-interval-btn' + (tableInterval === n ? ' on' : '')} title=${n === 1 ? 'Every hour' : `Every ${n} hours`} onClick=${() => setTableInterval(n)}>${n}h</button>`)}
</span>
<span class="col-toggles-label">Columns:</span>
<button class=${'col-toggles-edit-btn' + (colTogglesOpen ? ' col-toggles-edit-btn--open' : '')} onClick=${() => setColTogglesOpen(v => !v)}>
<span class="col-toggles-edit-btn-label">${colTogglesOpen ? 'Done' : 'Edit columns'}</span>
<svg class="col-toggles-edit-btn-icon" viewBox="0 0 12 12" xmlns="http://www.w3.org/2000/svg" aria-hidden="true"><path d="M2 4l4 4 4-4" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round" fill="none"/></svg>
</button>
<div class=${'col-toggles-body' + (colTogglesOpen ? ' col-toggles-body--open' : '')}>
${(isPro ? (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['utciP']) : activeCols['utciP']) && html`
<span class=${'col-toggle-group' + (visibleCols.utciP ? ' col-toggle-group--expanded' : '')}>
<${CustomSelect}
value=${utciEnv}
isOn=${visibleCols.utciP}
grpClass="grp-felt"
hideLabel="SunSoak"
hidingLabel="Hide SunSoak"
groupedLeft=${true}
isLastChild=${true}
options=${Object.entries(UTCI_ENVIRONMENTS).map(([k, v]) => ({
value: k,
label: v.label,
}))}
onChange=${(v) => {
if (v === 'off') {
setVisibleCols(prev => ({ ...prev, utciP: false }));
} else {
setUtciEnv(v);
setVisibleCols(prev => ({ ...prev, utciP: true }));
}
}}
/>
</span>`}
${(isPro ? (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['vehicleT']) : activeCols['vehicleT']) && html`
<span class=${'col-toggle-group' + (visibleCols.vehicleT ? ' col-toggle-group--expanded' : '')}>
<${CustomSelect}
value=${vehicleType}
isOn=${visibleCols.vehicleT}
grpClass="grp-felt"
hideLabel="Vehicle"
hidingLabel="Hide Vehicle"
groupedLeft=${true}
isLastChild=${!visibleCols.vehicleT}
options=${Object.entries(VEHICLE_TYPES).map(([k, v]) => ({
value: k,
label: v.name,
}))}
onChange=${(v) => {
if (v === 'off') {
setVisibleCols(prev => ({ ...prev, vehicleT: false }));
setVehicleVent(false);
} else {
setVehicleType(v);
setVisibleCols(prev => ({ ...prev, vehicleT: true }));
}
}}
/>
${visibleCols.vehicleT && html`
<${VentPill}
checked=${vehicleVent}
onChange=${() => setVehicleVent(v => !v)}
grpClass="grp-felt"
label="Ventilation"
title="Ventilation — open windows significantly reduce cabin heat build-up"
/>`}
</span>`}
${(isPro ? (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['indoorT'] || activeCols['managedT']) : (activeCols['indoorT'] || activeCols['managedT'])) && html`
<span class=${'col-toggle-group' + (indoorMode === 'on' ? ' col-toggle-group--expanded' : '')}>
<${CustomSelect}
value=${buildingType}
isOn=${indoorMode === 'on'}
grpClass="grp-felt"
hideLabel="Indoors"
hidingLabel="Hide Indoors"
groupedLeft=${true}
isLastChild=${indoorMode !== 'on'}
options=${Object.entries(BUILDING_TYPES).map(([k, v]) => ({
value: k,
label: v.name,
}))}
onChange=${(v) => {
if (v === 'off') {
setIndoorMode('off');
setIndoorManaged(false);
} else {
setBuildingType(v);
setIndoorMode('on');
}
}}
/>
${indoorMode === 'on' && html`
<${VentPill}
checked=${indoorManaged}
onChange=${() => setIndoorManaged(v => !v)}
grpClass="grp-felt"
label="Managed"
title="Managed: curtains closed by day, windows open when cooler outside"
/>`}
</span>`}
${(isPro ? (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['burn']) : activeCols['burn']) && html`
<${CustomSelect}
value=${skinType}
isOn=${visibleCols.burn}
grpClass="grp-felt"
hideLabel="Burn"
hidingLabel="Hide Burn"
options=${Object.entries(SKIN_TYPES).map(([k, v]) => ({
value: k,
label: v.name.split(' · ')[1] + ' skin',
}))}
onChange=${(v) => {
if (v === 'off') {
setVisibleCols(prev => ({ ...prev, burn: false }));
} else {
setSkinType(v);
setVisibleCols(prev => ({ ...prev, burn: true }));
}
}}
/>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['utci']) && html`<button class=${`col-toggle grp-felt${visibleCols.utci ? ' on' : ''}`} onClick=${() => toggleCol('utci')}>UTCI</button>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['delta']) && html`<button class=${`col-toggle grp-felt${visibleCols.delta ? ' on' : ''}`} onClick=${() => toggleCol('delta')}>Δ</button>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['tmrt']) && html`<button class=${`col-toggle grp-felt${visibleCols.tmrt ? ' on' : ''}`} onClick=${() => toggleCol('tmrt')}>Tmrt</button>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['concreteT']) && html`<button class=${`col-toggle grp-surface${visibleCols.concreteT ? ' on' : ''}`} onClick=${() => toggleCol('concreteT')}>Concrete</button>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['soilT']) && html`<button class=${`col-toggle grp-surface${visibleCols.soilT ? ' on' : ''}`} onClick=${() => toggleCol('soilT')}>Soil °C</button>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['soilT6']) && html`<button class=${`col-toggle grp-surface${visibleCols.soilT6 ? ' on' : ''}`} onClick=${() => toggleCol('soilT6')}>Soil 6cm</button>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['soilM']) && html`<button class=${`col-toggle grp-surface${visibleCols.soilM ? ' on' : ''}`} onClick=${() => toggleCol('soilM')}>Soil moist</button>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['air']) && html`<button class=${`col-toggle grp-ambient${visibleCols.air ? ' on' : ''}`} onClick=${() => toggleCol('air')}>Air</button>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['rh']) && html`<button class=${`col-toggle grp-ambient${visibleCols.rh ? ' on' : ''}`} onClick=${() => toggleCol('rh')}>RH</button>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['dew']) && html`<button class=${`col-toggle grp-ambient${visibleCols.dew ? ' on' : ''}`} onClick=${() => toggleCol('dew')}>Dew</button>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['precip']) && html`<button class=${`col-toggle grp-precip${visibleCols.precip ? ' on' : ''}`} onClick=${() => toggleCol('precip')}>Precip</button>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['precipProb']) && html`<button class=${`col-toggle grp-precip${visibleCols.precipProb ? ' on' : ''}`} onClick=${() => toggleCol('precipProb')}>Rain%</button>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['cloud']) && html`<button class=${`col-toggle grp-sky${visibleCols.cloud ? ' on' : ''}`} onClick=${() => toggleCol('cloud')}>Cloud</button>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['vis']) && html`<button class=${`col-toggle grp-sky${visibleCols.vis ? ' on' : ''}`} onClick=${() => toggleCol('vis')}>Visibility</button>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['wind']) && html`<button class=${`col-toggle grp-wind${visibleCols.wind ? ' on' : ''}`} onClick=${() => toggleCol('wind')}>Wind</button>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['dir']) && html`<button class=${`col-toggle grp-wind${visibleCols.dir ? ' on' : ''}`} onClick=${() => toggleCol('dir')}>Dir</button>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['aqi']) && html`<button class=${`col-toggle grp-airqual${visibleCols.aqi ? ' on' : ''}`} onClick=${() => toggleCol('aqi')}>Air Quality</button>`}
${(isPro ? (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['pollen']) : activeCols['pollen']) && html`<${CustomSelect}
value=${pollenType}
isOn=${visibleCols.pollen}
grpClass="grp-airqual"
hideLabel="Pollen"
hidingLabel="Hide Pollen"
options=${Object.entries(POLLEN_TYPES).flatMap(([k, v], i) => [
{ value: k, label: v.name },
...(i === 0 ? [{ value: '_div', divider: true }] : []),
])}
onChange=${(v) => {
if (v === 'off') {
setVisibleCols(prev => ({ ...prev, pollen: false }));
} else {
setPollenTypeAndSave(v);
setVisibleCols(prev => ({ ...prev, pollen: true }));
}
}}
/>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['uvA']) && html`<button class=${`col-toggle grp-solar${visibleCols.uvA ? ' on' : ''}`} onClick=${() => toggleCol('uvA')}>UV-A</button>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['uvB']) && html`<button class=${`col-toggle grp-solar${visibleCols.uvB ? ' on' : ''}`} onClick=${() => toggleCol('uvB')}>UV-B</button>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['sun']) && html`<button class=${`col-toggle grp-solar${visibleCols.sun ? ' on' : ''}`} onClick=${() => toggleCol('sun')}>Sun</button>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['direct']) && html`<button class=${`col-toggle grp-solar${visibleCols.direct ? ' on' : ''}`} onClick=${() => toggleCol('direct')}>Direct</button>`}
${isPro && (activeProfile === 'custom' || activeProfile === 'showall' || activeCols['diffuse']) && html`<button class=${`col-toggle grp-solar${visibleCols.diffuse ? ' on' : ''}`} onClick=${() => toggleCol('diffuse')}>Diffuse</button>`}
<span class="col-toggles-display-opts">
<label class="display-opt">
<input type="checkbox" checked=${showDecimals} onChange=${toggleShowDecimals} />
Decimals
</label>
<label class="display-opt">
<input type="checkbox" checked=${showUnits} onChange=${toggleShowUnits} />
Units
</label>
</span>
</div>
</div>
<div class="forecast-simple-wrap">
<div class="forecast-simple-scroll">
<div class="forecast-simple-inner">
<div class="forecast-simple-cards" style=${{ gridTemplateColumns: `repeat(${tableRows.length}, minmax(55px, 1fr))` }}>
${tableRows.map(r => {
const cat = utciCategory(r.utciAdj);
const h24s = parseInt(r.iso.slice(11, 13), 10);
const localHHMMs = h24s === 0 ? '12am' : h24s < 12 ? `${h24s}am` : h24s === 12 ? '12pm' : `${h24s - 12}pm`;
const isNow = r.isoHours ? r.isoHours.includes(nowLocalISO) : r.iso.slice(0, 13) === nowLocalISO;
const domIcon = (() => {
if (r.precipProb > 20 && (r.precip > 0 || r.snow > 0))
return html`<${PrecipIcon} precip=${r.precip} snow=${r.snow} size=${42} />`;
if (r.cloudCat && r.cloudCat !== 'clear')
return html`<${CloudIcon} category=${r.cloudCat} elev=${r.elev} dt=${r.dt} size=${42} filled=${true} />`;
return null;
})();
const windMph = Math.round((r.gust ?? r.va) * 2.237);
return html`
<div key=${r.iso} class=${'fsc-card' + (isNow ? ' fsc-card--now' : '')}>
<div class="fsc-time">${localHHMMs}</div>
<div class="fsc-scope-wrap">
<${SkyScope} elev=${r.elev} dt=${r.dt} glob=${r.glob} size=${42} />
${domIcon && html`<div class="fsc-wx-overlay">${domIcon}</div>`}
</div>
<div class="fsc-meta">
<span class="fsc-meta-row fsc-meta-rain">${r.precipProb}%</span>
<span class="fsc-meta-row fsc-meta-wind">${windMph}mph</span>
<span class="fsc-meta-row fsc-meta-dir">${r.compass ? r.compass.label : '—'}</span>
</div>
<div class="fsc-temp">${Math.round(r.utciAdj)}°</div>
<div class="fsc-feel" style=${{background: cat.bg, color: cat.fg}}>${cat.label}</div>
</div>
`;
})}
</div>
${(() => {
if (!tableRows.length) return null;
const fscTemps = tableRows.map(r => r.utciAdj);
const fscNowFlags = tableRows.map(r => r.isoHours ? r.isoHours.includes(nowLocalISO) : r.iso.slice(0, 13) === nowLocalISO);
const fscMin = Math.min(...fscTemps) - 2;
const fscMax = Math.max(...fscTemps) + 2;
const fscN = fscTemps.length;
const fscSvgW = 1000, fscSvgH = 80;
const fscCardW = fscSvgW / fscN;
// Card-centre points — used for connector lines and the stroke curve
const fscPts = fscTemps.map((t, i) => ({
x: (i + 0.5) * fscCardW,
y: fscSvgH - ((t - fscMin) / (fscMax - fscMin)) * 44 - 6,
}));
// Extended points (edge-anchored) used only for the gradient fill
const fscFillPts = [{ x: 0, y: fscPts[0].y }, ...fscPts, { x: fscSvgW, y: fscPts[fscN - 1].y }];
// Stroke path through card centres
let fscLine = `M ${fscPts[0].x},${fscPts[0].y}`;
for (let i = 1; i < fscPts.length; i++) {
const p0 = fscPts[i - 1], p1 = fscPts[i];
const cpx = (p0.x + p1.x) / 2;
fscLine += ` C ${cpx},${p0.y} ${cpx},${p1.y} ${p1.x},${p1.y}`;
}
// Fill path through edge-anchored points
let fscFillLine = `M ${fscFillPts[0].x},${fscFillPts[0].y}`;
for (let i = 1; i < fscFillPts.length; i++) {
const p0 = fscFillPts[i - 1], p1 = fscFillPts[i];
const cpx = (p0.x + p1.x) / 2;
fscFillLine += ` C ${cpx},${p0.y} ${cpx},${p1.y} ${p1.x},${p1.y}`;
}
const fscFill = fscFillLine + ` L ${fscSvgW},${fscSvgH} L 0,${fscSvgH} Z`;
return html`
<svg class="fsc-temp-curve" viewBox="0 0 ${fscSvgW} ${fscSvgH}" preserveAspectRatio="none" xmlns="http://www.w3.org/2000/svg">
<defs>
<linearGradient id="fsc-grad" x1="0" y1="0" x2="1" y2="0" gradientUnits="objectBoundingBox">
${fscTemps.map((t, i) => {
const fc = utciCategory(t);
return html`<stop key=${i} offset=${`${((i + 0.5) / fscN * 100).toFixed(1)}%`} stop-color=${fc.bg} />`;
})}
</linearGradient>
</defs>
${fscPts.map((pt, i) => {
const isNow = fscNowFlags[i];
return html`
<line key=${'c'+i} x1=${pt.x} y1="0" x2=${pt.x} y2=${pt.y}
stroke=${isNow ? '#c8922a' : '#b09870'}
stroke-width="1"
opacity=${isNow ? '1' : '0.55'}
/>
`;
})}
<path d=${fscFill} fill="url(#fsc-grad)" opacity="0.45" />
</svg>
`;
})()}
</div>
</div>
</div>
<div class=${`utci-table-wrap${tableCanScrollLeft ? ' scroll-fade-left' : ''}${tableCanScrollRight ? ' scroll-fade-right' : ''}${showUnits ? '' : ' no-units'}`} ref=${tableWrapRef}>
<span class="utci-scroll-chevron left" aria-hidden="true"></span>
<span class="utci-scroll-chevron right" aria-hidden="true"></span>
<div class="utci-thead-sticky" ref=${headStickyRef}>
<div class="utci-thead-track" ref=${headTrackRef}>
<table class="utci-table utci-table-head" ref=${headTableRef}>
<thead>
${groupLabelRow()}
<tr>
<th class="col-info-th" scope="col" onClick=${(e) => handleThClick('hour', e)} onMouseEnter=${(e) => handleThEnter('hour', e)} onMouseLeave=${handleThLeave}>
<span>Hour</span>
<span class="hour-interval" onClick=${(e) => e.stopPropagation()}>
${[1, 2, 3, 4].map(n => html`
<button key=${n} type="button"
class=${`hour-interval-btn${tableInterval === n ? ' on' : ''}`}
title=${n === 1 ? 'Every hour' : `Every ${n} hours`}
onClick=${(e) => { e.stopPropagation(); setTableInterval(n); }}
>${n}h</button>`)}
</span>
</th>
${visibleCols.utciP && html`<th class=${`col-info-th ${groupStart('utciP')} ${groupColor('utciP')}`} scope="col" onClick=${(e) => handleThClick('utciP', e)} onMouseEnter=${(e) => handleThEnter('utciP', e)} onMouseLeave=${handleThLeave}>SunSoak <span class="col-unit">°C felt</span>${UTCI_ENVIRONMENTS[utciEnv]?.shortLabel ? html`<span class="col-env-badge">${UTCI_ENVIRONMENTS[utciEnv].shortLabel}</span>` : null}</th>`}
${visibleCols.vehicleT && html`<th class=${`col-info-th ${groupStart('vehicleT')} ${groupColor('vehicleT')}`} scope="col" onClick=${(e) => handleThClick('vehicleT', e)} onMouseEnter=${(e) => handleThEnter('vehicleT', e)} onMouseLeave=${handleThLeave}>Vehicle <span class="col-unit">°C peak</span></th>`}
${indoorMode === 'on' && !indoorManaged && html`<th class=${`col-info-th ${groupStart('indoorT')} ${groupColor('indoorT')}`} scope="col" onClick=${(e) => handleThClick('indoorT', e)} onMouseEnter=${(e) => handleThEnter('indoorT', e)} onMouseLeave=${handleThLeave}>Indoors <span class="col-unit">°C est.</span></th>`}
${indoorMode === 'on' && indoorManaged && html`<th class=${`col-info-th ${groupStart('managedT')} ${groupColor('managedT')}`} scope="col" onClick=${(e) => handleThClick('managedT', e)} onMouseEnter=${(e) => handleThEnter('managedT', e)} onMouseLeave=${handleThLeave}>Managed <span class="col-unit">°C est.</span></th>`}
${visibleCols.burn && html`<th class=${`col-info-th ${groupStart('burn')} ${groupColor('burn')}`} scope="col" onClick=${(e) => handleThClick('burn', e)} onMouseEnter=${(e) => handleThEnter('burn', e)} onMouseLeave=${handleThLeave}>Burn <span class="col-unit">to MED</span></th>`}
${visibleCols.utci && html`<th class=${`col-info-th ${groupStart('utci')} ${groupColor('utci')}`} scope="col" onClick=${(e) => handleThClick('utci', e)} onMouseEnter=${(e) => handleThEnter('utci', e)} onMouseLeave=${handleThLeave}>UTCI <span class="col-unit">°C felt</span></th>`}
${visibleCols.delta && html`<th class=${`col-info-th ${groupStart('delta')} ${groupColor('delta')}`} scope="col" onClick=${(e) => handleThClick('delta', e)} onMouseEnter=${(e) => handleThEnter('delta', e)} onMouseLeave=${handleThLeave}>Δ <span class="col-unit">UTCIAir</span></th>`}
${visibleCols.tmrt && html`<th class=${`col-info-th ${groupStart('tmrt')} ${groupColor('tmrt')}`} scope="col" onClick=${(e) => handleThClick('tmrt', e)} onMouseEnter=${(e) => handleThEnter('tmrt', e)} onMouseLeave=${handleThLeave}>Tmrt <span class="col-unit">°C</span></th>`}
${visibleCols.concreteT && html`<th class=${`col-info-th ${groupStart('concreteT')} ${groupColor('concreteT')}`} scope="col" onClick=${(e) => handleThClick('concreteT', e)} onMouseEnter=${(e) => handleThEnter('concreteT', e)} onMouseLeave=${handleThLeave}>Concrete <span class="col-unit">°C surface</span></th>`}
${visibleCols.soilT && html`<th class=${`col-info-th ${groupStart('soilT')} ${groupColor('soilT')}`} scope="col" onClick=${(e) => handleThClick('soilT', e)} onMouseEnter=${(e) => handleThEnter('soilT', e)} onMouseLeave=${handleThLeave}>Soil °C <span class="col-unit">surface</span></th>`}
${visibleCols.soilT6 && html`<th class=${`col-info-th ${groupStart('soilT6')} ${groupColor('soilT6')}`} scope="col" onClick=${(e) => handleThClick('soilT6', e)} onMouseEnter=${(e) => handleThEnter('soilT6', e)} onMouseLeave=${handleThLeave}>Soil 6cm <span class="col-unit">°C root</span></th>`}
${visibleCols.soilM && html`<th class=${`col-info-th ${groupStart('soilM')} ${groupColor('soilM')}`} scope="col" onClick=${(e) => handleThClick('soilM', e)} onMouseEnter=${(e) => handleThEnter('soilM', e)} onMouseLeave=${handleThLeave}>Soil moist <span class="col-unit">%</span></th>`}
${visibleCols.air && html`<th class=${`utci-tight-head col-info-th ${groupStart('air')} ${groupColor('air')}`} scope="col" onClick=${(e) => handleThClick('air', e)} onMouseEnter=${(e) => handleThEnter('air', e)} onMouseLeave=${handleThLeave}>Air <span class="col-unit">°C</span></th>`}
${visibleCols.rh && html`<th class=${`col-info-th ${groupStart('rh')} ${groupColor('rh')}`} scope="col" onClick=${(e) => handleThClick('rh', e)} onMouseEnter=${(e) => handleThEnter('rh', e)} onMouseLeave=${handleThLeave}>RH <span class="col-unit">%</span></th>`}
${visibleCols.dew && html`<th class=${`col-info-th ${groupStart('dew')} ${groupColor('dew')}`} scope="col" onClick=${(e) => handleThClick('dew', e)} onMouseEnter=${(e) => handleThEnter('dew', e)} onMouseLeave=${handleThLeave}>Dew <span class="col-unit">°C</span></th>`}
${visibleCols.precip && html`<th class=${`utci-tight-head col-info-th ${groupStart('precip')} ${groupColor('precip')}`} scope="col" onClick=${(e) => handleThClick('precip', e)} onMouseEnter=${(e) => handleThEnter('precip', e)} onMouseLeave=${handleThLeave}>Pcpt <span class="col-unit">mm/h</span></th>`}
${visibleCols.precipProb && html`<th class=${`utci-tight-head col-info-th ${groupStart('precipProb')} ${groupColor('precipProb')}`} scope="col" onClick=${(e) => handleThClick('precipProb', e)} onMouseEnter=${(e) => handleThEnter('precipProb', e)} onMouseLeave=${handleThLeave}>Rain <span class="col-unit">%</span></th>`}
${visibleCols.cloud && html`<th class=${`col-info-th ${groupStart('cloud')} ${groupColor('cloud')}`} scope="col" onClick=${(e) => handleThClick('cloud', e)} onMouseEnter=${(e) => handleThEnter('cloud', e)} onMouseLeave=${handleThLeave}>Cloud <span class="col-unit">%</span></th>`}
${visibleCols.vis && html`<th class=${`utci-tight-head col-info-th ${groupStart('vis')} ${groupColor('vis')}`} scope="col" onClick=${(e) => handleThClick('vis', e)} onMouseEnter=${(e) => handleThEnter('vis', e)} onMouseLeave=${handleThLeave}>Vis <span class="col-unit">km</span></th>`}
${visibleCols.wind && html`<th class=${`col-info-th ${groupStart('wind')} ${groupColor('wind')}`} scope="col" onClick=${(e) => handleThClick('wind', e)} onMouseEnter=${(e) => handleThEnter('wind', e)} onMouseLeave=${handleThLeave}>Wind <span class="col-unit">mph (gust)</span></th>`}
${visibleCols.dir && html`<th class=${`utci-dir-cell col-info-th ${groupStart('dir')} ${groupColor('dir')}`} scope="col" onClick=${(e) => handleThClick('dir', e)} onMouseEnter=${(e) => handleThEnter('dir', e)} onMouseLeave=${handleThLeave}>Dir <span class="col-unit">-</span></th>`}
${visibleCols.aqi && html`<th class=${`col-info-th ${groupStart('aqi')} ${groupColor('aqi')}`} scope="col" onClick=${(e) => handleThClick('aqi', e)} onMouseEnter=${(e) => handleThEnter('aqi', e)} onMouseLeave=${handleThLeave}>AQI <span class="col-unit">EU idx</span></th>`}
${visibleCols.pollen && html`<th class=${`col-info-th ${groupStart('pollen')} ${groupColor('pollen')}`} scope="col" onClick=${(e) => handleThClick('pollen', e)} onMouseEnter=${(e) => handleThEnter('pollen', e)} onMouseLeave=${handleThLeave}>${pollenType === 'all_pollen' ? 'Pollen' : POLLEN_TYPES[pollenType]?.name.replace(' pollen','') ?? 'Pollen'} <span class="col-unit">grains/m³</span></th>`}
${visibleCols.uvA && html`<th class=${`col-info-th ${groupStart('uvA')} ${groupColor('uvA')}`} scope="col" onClick=${(e) => handleThClick('uvA', e)} onMouseEnter=${(e) => handleThEnter('uvA', e)} onMouseLeave=${handleThLeave}>UV-A <span class="col-unit">est. idx</span></th>`}
${visibleCols.uvB && html`<th class=${`col-info-th ${groupStart('uvB')} ${groupColor('uvB')}`} scope="col" onClick=${(e) => handleThClick('uvB', e)} onMouseEnter=${(e) => handleThEnter('uvB', e)} onMouseLeave=${handleThLeave}>UV-B <span class="col-unit">est. idx</span></th>`}
${visibleCols.sun && html`<th class=${`col-info-th ${groupStart('sun')} ${groupColor('sun')}`} scope="col" onClick=${(e) => handleThClick('sun', e)} onMouseEnter=${(e) => handleThEnter('sun', e)} onMouseLeave=${handleThLeave}>Sun <span class="col-unit">elev°</span></th>`}
${visibleCols.direct && html`<th class=${`col-info-th ${groupStart('direct')} ${groupColor('direct')}`} scope="col" onClick=${(e) => handleThClick('direct', e)} onMouseEnter=${(e) => handleThEnter('direct', e)} onMouseLeave=${handleThLeave}>Direct <span class="col-unit">W/m²</span></th>`}
${visibleCols.diffuse && html`<th class=${`col-info-th ${groupStart('diffuse')} ${groupColor('diffuse')}`} scope="col" onClick=${(e) => handleThClick('diffuse', e)} onMouseEnter=${(e) => handleThEnter('diffuse', e)} onMouseLeave=${handleThLeave}>Diffuse <span class="col-unit">W/m²</span></th>`}
</tr>
</thead>
</table>
</div>
</div>
<div class="utci-tbody-scroll" ref=${bodyScrollRef} onScroll=${handleBodyScroll}>
<table class="utci-table utci-table-body" ref=${bodyTableRef}>
<tbody>
${tableRows.map((r, rowIdx) => {
const rPrev = tableRows[rowIdx - 1];
const rNext = tableRows[rowIdx + 1];
const cat = utciCategory(r.utci);
const isNight = r.elev < 0;
const isNow = r.isoHours ? r.isoHours.includes(nowLocalISO) : r.iso.slice(0, 13) === nowLocalISO;
const delta = r.utci - r.Ta;
const adjCat = utciCategory(r.utciAdj);
// Converts a band hex colour to rgba at the given alpha — used to
// tint the UTCI and UTCI+P cells directly from the band colour.
const hexToRgba = (hex, a) => {
const h = hex.replace('#', '');
const r = parseInt(h.slice(0,2),16);
const g = parseInt(h.slice(2,4),16);
const b = parseInt(h.slice(4,6),16);
return `rgba(${r},${g},${b},${a})`;
};
const fmt = (v, dp = 1) => v == null ? '—' : (showDecimals ? v.toFixed(dp) : String(Math.round(v)));
const u = (unit) => showUnits ? unit : '';
// Returns a background tint based on temperature value - all share the same
// Continuous temperature colour scale — used for all temp columns.
// airTempRgb(t) returns the whiteblended [r,g,b] for a temperature.
// airTempBg(t, tPrev, tNext) returns a top→bottom gradient that
// flows from the previous row's colour through this row's colour to
// the next row's colour, making the whole column one seamless heatmap.
// airTempRgb and TEMP_STOPS hoisted to component scope above.
const toRgb = (rgb) => rgb ? `rgb(${rgb[0]},${rgb[1]},${rgb[2]})` : 'transparent';
const airTempBg = (t, tPrev, tNext) => {
if (t == null) return 'transparent';
// Top colour = midpoint temp between prev row and this row.
// Bottom colour = midpoint temp between this row and next row.
// This guarantees the boundary colour is identical on both sides
// of every cell edge, giving a perfectly seamless column gradient.
const tTop = tPrev != null ? (tPrev + t) / 2 : t;
const tBot = tNext != null ? (t + tNext) / 2 : t;
return `linear-gradient(to bottom, ${toRgb(airTempRgb(tTop))} 0%, ${toRgb(airTempRgb(tBot))} 100%)`;
};
const airTempFontColor = () => '#1a1a1a';
// Returns any extra band styles (fontWeight, textShadow) for a given temp.
const bandExtras = (t) => {
const band = utciCategory(t);
if (!band) return {};
return {
...(band.fontWeight ? { fontWeight: band.fontWeight } : {}),
...(band.textShadow ? { textShadow: band.textShadow } : {}),
};
};
const scaleBg = (v, min, max, rgb, maxAlpha = 0.14) => {
if (v == null || isNaN(v)) return 'transparent';
if (v <= min) return 'transparent';
const x = Math.max(0, Math.min(1, (v - min) / (max - min)));
const a = 0.035 + x * maxAlpha;
return `rgba(${rgb},${a.toFixed(3)})`;
};
const soilMoistureBg = (v) => {
if (v == null || isNaN(v)) return { bg: 'transparent', fg: '#555' };
const pct = v * 100;
// stops: [pct, r, g, b]
const stops = [
[0, 212, 180, 131], // sandy tan bone dry
[10, 160, 120, 64], // mid brown dry
[22, 138, 122, 80], // olive-brown damp/firm
[32, 200, 160, 64], // amber soft, caution
[38, 58, 138, 92], // green wet
[50, 42, 106, 144], // blue saturated
];
let s0 = stops[0], s1 = stops[stops.length - 1];
for (let i = 0; i < stops.length - 1; i++) {
if (pct >= stops[i][0] && pct <= stops[i+1][0]) { s0 = stops[i]; s1 = stops[i+1]; break; }
}
const t = s1[0] === s0[0] ? 1 : Math.max(0, Math.min(1, (pct - s0[0]) / (s1[0] - s0[0])));
const r = Math.round(s0[1] + t * (s1[1] - s0[1]));
const g = Math.round(s0[2] + t * (s1[2] - s0[2]));
const b = Math.round(s0[3] + t * (s1[3] - s0[3]));
const lum = 0.299*r + 0.587*g + 0.114*b;
return { bg: `rgba(${r},${g},${b},0.18)`, fg: '#3a2a10' };
};
const deltaBg = (v) => {
if (v == null || isNaN(v)) return 'transparent';
if (Math.abs(v) < 1) return 'transparent';
const x = Math.min(1, Math.abs(v) / 12);
const a = 0.035 + x * 0.13;
return v > 0 ? `rgba(230,140,50,${a.toFixed(3)})` : `rgba(80,135,210,${a.toFixed(3)})`;
};
const burnBg = (mins, uv) => {
if (!isFinite(mins) || uv <= 0) return 'transparent';
if (mins >= 240) return 'transparent';
const x = Math.max(0, Math.min(1, (240 - mins) / 220));
return `rgba(210,70,50,${(0.04 + x * 0.15).toFixed(3)})`;
};
// r.iso is the local wall-clock string from the API — slice it directly.
const h24 = parseInt(r.iso.slice(11, 13), 10);
const localHHMM = h24 === 0 ? '12am' : h24 < 12 ? `${h24}am` : h24 === 12 ? '12pm' : `${h24 - 12}pm`;
const burnMins = sunburnMinutes(r.uv, skinType);
return html`
<tr key=${r.iso}
class=${`${isNight ? 'is-night' : ''} ${isNow ? 'is-now' : ''}`.trim()}>
<td class="utci-time">
<span style=${{ display: 'inline-flex', alignItems: 'center', gap: '7px', verticalAlign: 'middle' }}>
<${SkyScope} elev=${r.elev} dt=${r.dt} glob=${r.glob} size=${38} />
<span>${localHHMM}</span>
${(() => {
const rowEvents = getCellTagEvents(selectedDayEvents, r);
return rowEvents.map((ev, idx) => html`
<span key=${ev.id} class="event-cell-tag"
onClick=${(e) => handleEventTagClick(rowEvents, idx, e)}
onMouseEnter=${(e) => handleEventTagEnter(rowEvents, idx, e)}
onMouseLeave=${handleEventTagLeave}
role="button" tabIndex="0" aria-label=${ev.title}
>${ev.emoji}</span>
`);
})()}
</span>
</td>
${visibleCols.utciP && html`
<td class=${groupStart('utciP')} style=${{ background: airTempBg(r.utciAdj, rPrev?.utciAdj, rNext?.utciAdj), color: airTempFontColor(), fontSize: '13px' }}>
${fmt(r.utciAdj)}${u('°C')}
</td>`}
${visibleCols.vehicleT && html`
<td class=${groupStart('vehicleT')} style=${{ color: airTempFontColor(), background: airTempBg(r.vehicleT, rPrev?.vehicleT, rNext?.vehicleT) }}>
${fmt(r.vehicleT)}${u('°C')}
</td>`}
${indoorMode === 'on' && !indoorManaged && html`
<td class=${groupStart('indoorT')} style=${{ color: airTempFontColor(), background: airTempBg(r.indoorT, rPrev?.indoorT, rNext?.indoorT) }}>
${fmt(r.indoorT)}${u('°C')}
</td>`}
${indoorMode === 'on' && indoorManaged && html`
<td class=${groupStart('managedT')} style=${{ color: airTempFontColor(), background: airTempBg(r.managedT, rPrev?.managedT, rNext?.managedT) }}>
${fmt(r.managedT)}${u('°C')}
</td>`}
${visibleCols.burn && html`
<td class=${groupStart('burn')} style=${{ color: r.uv > 0 ? (burnMins < 30 ? '#c44a3a' : '#c8601a') : '#4a3218', background: burnBg(burnMins, r.uv) }}>
${burnLabel(burnMins)}
</td>`}
${visibleCols.utci && html`
<td class=${groupStart('utci')} style=${{ background: airTempBg(r.utci, rPrev?.utci, rNext?.utci), color: airTempFontColor() }}>
${fmt(r.utci)}${u('°C')}
</td>`}
${visibleCols.delta && html`
<td class=${groupStart('delta')} style=${{
color: delta > 3 ? '#c8601a' : delta < -3 ? '#3f73c4' : '#4a3218',
background: deltaBg(delta),
}}>
${delta > 0 ? '+' : ''}${fmt(delta)}${u('°C')}
</td>`}
${visibleCols.tmrt && html`<td class=${groupStart('tmrt')} style=${{ background: airTempBg(r.Tmrt, rPrev?.Tmrt, rNext?.Tmrt), color: airTempFontColor() }}>${fmt(r.Tmrt)}${u('°C')}</td>`}
${visibleCols.concreteT && html`
<td class=${groupStart('concreteT')} style=${{ color: airTempFontColor(), background: airTempBg(r.concreteT, rPrev?.concreteT, rNext?.concreteT) }}>
${fmt(r.concreteT)}${u('°C')}
</td>`}
${visibleCols.soilT && html`
<td class=${groupStart('soilT')} style=${{ color: airTempFontColor(), background: airTempBg(r.soilT0, rPrev?.soilT0, rNext?.soilT0) }}>${r.soilT0 != null ? fmt(r.soilT0) + u('°C') : '—'}</td>`}
${visibleCols.soilT6 && html`
<td class=${groupStart('soilT6')} style=${{ color: airTempFontColor(), background: airTempBg(r.soilT6, rPrev?.soilT6, rNext?.soilT6) }}>${r.soilT6 != null ? fmt(r.soilT6) + u('°C') : '—'}</td>`}
${visibleCols.soilM && html`
<td class=${groupStart('soilM')} style=${(() => { const sm = soilMoistureBg(r.soilM); return { color: sm.fg, background: sm.bg }; })()}>${r.soilM != null ? fmt(r.soilM * 100, 1) + u('%') : '—'}</td>`}
${visibleCols.air && html`<td class=${groupStart('air')} style=${{ background: airTempBg(r.Ta, rPrev?.Ta, rNext?.Ta), color: airTempFontColor() }}>${fmt(r.Ta)}${u('°C')}</td>`}
${visibleCols.rh && html`<td class=${groupStart('rh')} style=${{ background: scaleBg(r.RH, 30, 100, '70,145,200') }}>${Math.round(r.RH)}${u('%')}</td>`}
${visibleCols.dew && html`<td class=${groupStart('dew')} style=${{ background: airTempBg(r.dew, rPrev?.dew, rNext?.dew), color: airTempFontColor() }}>${fmt(r.dew)}${u('°C')}</td>`}
${visibleCols.precip && html`
<td class=${groupStart('precip')} style=${{ background: r.snow > 0 ? scaleBg(r.snow, 0, 4, '90,140,210') : scaleBg(r.precip, 0, 8, '70,145,200') }}>
<span style=${{ display: 'inline-flex', alignItems: 'center', gap: '5px', verticalAlign: 'middle' }}>
<${PrecipIcon} precip=${r.precipProb > 0 ? r.precip : 0} snow=${r.precipProb > 0 ? r.snow : 0} size=${28} />
<span style=${{ color: r.snow > 0 ? '#2a5fa8' : r.precip > 0 ? '#2a6a90' : '#7a5c30' }}>
${r.precipProb > 0
? (r.snow > 0 ? fmt(r.snow) + u('cm') : r.precip > 0 ? fmt(r.precip) + u('mm') : '—')
: '—'}
</span>
</span>
</td>`}
${visibleCols.precipProb && html`
<td class=${groupStart('precipProb')} style=${{ background: scaleBg(r.precipProb, 0, 100, '70,145,200'), color: r.precipProb >= 50 ? '#1a4a70' : r.precipProb > 0 ? '#2a6a90' : '#7a8a90' }}>
${r.precipProb}${u('%')}
</td>`}
${visibleCols.cloud && html`<td class=${groupStart('cloud')} style=${{ background: scaleBg(r.cc, 0, 100, '110,130,150', 0.07), verticalAlign: 'middle' }}>
<span style=${{ display: 'inline-flex', alignItems: 'center', gap: '6px', verticalAlign: 'middle' }}>
<span style=${{ position: 'relative', top: '6px' }}>
<${CloudIcon} category=${r.cloudCat} elev=${r.elev} dt=${r.dt} size=${28} />
</span>
<span>${Math.round(r.cc)}${u('%')}</span>
</span>
</td>`}
${visibleCols.vis && (() => {
const v = r.visKm;
const bg = v == null ? 'transparent'
: v < 1 ? 'rgba(180,80,80,0.18)'
: v < 4 ? 'rgba(210,140,50,0.15)'
: v < 10 ? 'rgba(200,190,80,0.12)'
: 'transparent';
const color = v != null && v < 4 ? '#8a3a1a' : '#4a3218';
return html`<td class=${groupStart('vis')} style=${{ background: bg, color }}>
${v != null ? fmt(v) + u('km') : '—'}
</td>`;
})()}
${visibleCols.wind && html`<td class=${groupStart('wind')} style=${{ background: scaleBg((r.gust ?? r.va) * 2.237, 0, 40, '85,130,180') }}>
${Math.round(r.va * 2.237)}${u('mph')}${r.gust != null && r.gust > r.va + 0.5
? (gm => html`<span style=${{ marginLeft: '4px', fontWeight: gm >= 25 ? 700 : 'normal', opacity: gm >= 25 ? 1 : 0.65, color: gm >= 55 ? '#b81010' : gm >= 40 ? '#d44010' : gm >= 25 ? '#c47a00' : 'inherit' }}>(${Math.round(gm)}${u('mph')})</span>`)(r.gust * 2.237)
: ''}
</td>`}
${visibleCols.dir && html`<td class=${`utci-dir-cell ${groupStart('dir')}`}>
<span style=${{ display: 'inline-flex', alignItems: 'center', gap: '6px', verticalAlign: 'middle' }}>
<${WindVane} bearing=${r.wd} size=${28} />
<span class="wind-dir-label" style=${{ fontFamily: 'Manrope, sans-serif', fontSize: '11px', fontWeight: 700 }}>${r.compass.label}</span>
</span>
</td>`}
${visibleCols.aqi && (() => {
const v = r.aqi == null ? null : Math.round(r.aqi);
const bg = v == null ? 'transparent'
: v < 20 ? 'rgba(80,180,100,0.15)'
: v < 40 ? 'rgba(140,200,100,0.13)'
: v < 60 ? 'rgba(220,200,60,0.15)'
: v < 80 ? 'rgba(220,130,50,0.18)'
: v < 100 ? 'rgba(200,70,50,0.18)'
: 'rgba(160,30,100,0.20)';
const color = v != null && v >= 60 ? '#7a2010' : v != null && v >= 40 ? '#7a4a10' : '#2a4a20';
const label = v == null ? '—'
: v < 20 ? `${v} Good`
: v < 40 ? `${v} Fair`
: v < 60 ? `${v} Mod`
: v < 80 ? `${v} Poor`
: v < 100 ? `${v} V.Poor`
: `${v} Hazard`;
return html`<td class=${groupStart('aqi')} style=${{ background: bg, color, fontWeight: v != null && v >= 60 ? 600 : 400 }}>${label}</td>`;
})()}
${visibleCols.pollen && (() => {
const pollenMap = {
all_pollen: [r.grassPollen, r.birchPollen, r.alderPollen, r.mugwortPollen, r.olivePollen, r.ragweedPollen].reduce((s, x) => x != null ? s + x : s, null),
grass_pollen: r.grassPollen,
birch_pollen: r.birchPollen,
alder_pollen: r.alderPollen,
mugwort_pollen: r.mugwortPollen,
olive_pollen: r.olivePollen,
ragweed_pollen: r.ragweedPollen,
};
const v = pollenMap[pollenType] ?? null;
const bg = v == null ? 'transparent'
: v < 10 ? 'transparent'
: v < 50 ? 'rgba(180,200,80,0.13)'
: v < 200 ? 'rgba(210,150,50,0.16)'
: 'rgba(200,70,50,0.18)';
const color = v != null && v >= 200 ? '#8a2010' : v != null && v >= 50 ? '#7a4a10' : '#4a3218';
const label = v == null ? '—'
: v < 10 ? `${Math.round(v)} Low`
: v < 50 ? `${Math.round(v)} Mod`
: v < 200 ? `${Math.round(v)} High`
: `${Math.round(v)} V.High`;
return html`<td class=${groupStart('pollen')} style=${{ background: bg, color, fontWeight: v != null && v >= 50 ? 600 : 400 }}>${label}</td>`;
})()}
${visibleCols.uvA && html`
<td class=${groupStart('uvA')} style=${{ color: r.uvA > 0 ? '#c8922a' : '#4a3218', background: scaleBg(r.uvA, 0, 8, '220,155,40') }}>
${r.uvA > 0 ? fmt(r.uvA) + u(' idx') : '—'}
</td>`}
${visibleCols.uvB && html`
<td class=${groupStart('uvB')} style=${{ color: r.uvB > 0 ? '#c44a3a' : '#4a3218', background: scaleBg(r.uvB, 0, 1.2, '210,70,50') }}>
${r.uvB > 0 ? fmt(r.uvB, 2) + u(' idx') : '—'}
</td>`}
${visibleCols.sun && html`<td class=${groupStart('sun')} style=${{ background: scaleBg(r.elev > 0 ? r.elev : null, 0, 70, '225,160,45') }}>${r.elev > 0 ? fmt(r.elev) + u('°') : '—'}</td>`}
${visibleCols.direct && html`<td class=${groupStart('direct')} style=${{ background: scaleBg(r.dir, 0, 850, '230,155,35') }}>${Math.round(r.dir)}${u('W/m²')}</td>`}
${visibleCols.diffuse && html`<td class=${groupStart('diffuse')} style=${{ background: scaleBg(r.dif, 0, 450, '230,190,70') }}>${Math.round(r.dif)}${u('W/m²')}</td>`}
</tr>`;
})}
</tbody>
</table>
</div>
</div>
</div>
${forecast && ((glanceSummary && glanceSummary.length > 0) || eventGlanceItems.length > 0 || visible.length > 0) && html`
<aside class="glance-rail">
${((glanceSummary && glanceSummary.length > 0) || eventGlanceItems.length > 0) && html`
<div class="insight-panel insight-panel--glance">
<div class="insight-panel-title">At a glance${glanceDate ? ` · ${glanceDate}` : ''}</div>
${glanceSummary.map(({ icon, label, value, alert }) => html`
<div class=${`insight-row${alert ? ' insight-row--alert' : ''}`} key=${label}>
<span class="insight-icon">${icon}</span>
<span class="insight-label">${label}</span>
<span class="insight-value">${value}</span>
</div>
`)}
${eventGlanceItems.map(({ icon, label, value, alert }) => html`
<div class=${`insight-row${alert ? ' insight-row--alert' : ''}`} key=${`ev-${label}`}>
<span class="insight-icon">${icon}</span>
<span class="insight-label">${label}</span>
<span class="insight-value">${value}</span>
</div>
`)}
</div>`}
${visible.length > 0 && html`
<div class="export-panel">
${isPro
? html`
<button class="export-day-btn" onClick=${handleExportDay} title="Download full hourly data for this day as a spreadsheet">
<span class="export-day-btn__icon">⬇</span>
Export day data
</button>
<div class="export-day-hint">Excel / LibreOffice · 41 columns · hourly</div>`
: html`
<button class="export-day-btn export-day-btn--locked"
onClick=${() => { setProPromptSource('export'); setProPromptDay(0); }}
title="Export day data is part of SunScope Extra">
<span class="export-day-btn__icon">🔒</span>
Export day data
</button>
<div class="export-day-hint">SunScope Extra feature</div>`}
</div>`}
</aside>`}
</div>
${colPopup && COL_DESCRIPTIONS[colPopup.key] && html`
<div
ref=${colPopupRef}
class=${`col-info-popup${colPopup.below ? ' col-info-popup--below' : ''}`}
style=${{
position: 'fixed',
left: `${colPopup.x}px`,
top: `${colPopup.y}px`,
transform: colPopup.below ? 'translateX(-50%)' : 'translateX(-50%) translateY(-100%)',
'--arrow-left': `${colPopup.arrowLeft}px`,
}}
onMouseEnter=${handlePopupEnter}
onMouseLeave=${handlePopupLeave}
>
<button class="col-info-close" onClick=${closePopup} aria-label="Close">×</button>
<strong class="col-info-title">${COL_DESCRIPTIONS[colPopup.key].title}</strong>
<p class="col-info-desc">${COL_DESCRIPTIONS[colPopup.key].desc}</p>
</div>`}
${eventTagPopup && (() => {
const evs = eventTagPopup.events;
const ev = evs[evSlideIndex] || evs[0];
return html`
<div
ref=${eventTagPopupRef}
class=${`col-info-popup col-info-popup--ev${eventTagPopup.below ? ' col-info-popup--below' : ''}`}
style=${{
position: 'fixed',
left: `${eventTagPopup.x}px`,
top: `${eventTagPopup.y}px`,
transform: eventTagPopup.below ? 'translateX(-50%)' : 'translateX(-50%) translateY(-100%)',
'--arrow-left': `${eventTagPopup.arrowLeft}px`,
}}
onMouseEnter=${handleEventTagPopupEnter}
onMouseLeave=${handleEventTagPopupLeave}
>
<button class="col-info-close" onClick=${closeEventTagPopup} aria-label="Close">×</button>
<div class=${`ev-popup-stage${evTransition ? ` ev-popup-${evTransition}` : ''}`}>
<strong class="col-info-title">${ev.emoji} ${ev.title}</strong>
<p class="col-info-desc">${ev.message}</p>
</div>
${evs.length > 1 && html`
<div class="ev-popup-dots">
${evs.map((_, i) => html`
<span
key=${i}
class=${`ev-popup-dot${i === evSlideIndex ? ' active' : ''}`}
onClick=${() => evSlideTo(i)}
/>
`)}
</div>
`}
</div>`;
})()}
<div class="utci-legend">
<span class="utci-legend-label">Thermal stress bands</span>
<div class="utci-legend-row">
${[
{ t: -9, label: 'Freezing' },
{ t: 1, label: 'Cold' },
{ t: 11, label: 'Cool' },
{ t: 21, label: 'Comfortable', bold: true },
{ t: 31, label: 'Hot' },
{ t: 41, label: 'Very hot' },
{ t: 51, label: 'Danger' },
].map((b, i) => {
const rgb = airTempRgb(b.t) || [200, 200, 200];
const mid = `rgb(${rgb[0]},${rgb[1]},${rgb[2]})`;
const light = `rgb(${rgb.map(c => Math.min(255, Math.round(c + (255-c)*0.30))).join(',')})`;
const dark = `rgb(${rgb.map(c => Math.round(c * 0.96)).join(',')})`;
const bg = `linear-gradient(135deg, ${light} 0%, ${mid} 60%, ${dark} 100%)`;
const lum = (rgb[0]*299 + rgb[1]*587 + rgb[2]*114) / 1000;
const fg = lum > 165 ? '#1a1a1a' : '#ffffff';
return html`<span key=${i} class="utci-legend-item" style=${{ background: bg, color: fg, ...(b.bold ? { fontWeight: 700 } : {}) }}>${b.label}</span>`;
})}
</div>
</div>
${(() => {
const upcoming = getUpcomingEvents(location, 90);
const formatPeak = (iso) => {
const d = new Date(iso + 'T00:00Z');
return d.toLocaleDateString('en-GB', { day: 'numeric', month: 'short', year: 'numeric', timeZone: 'UTC' });
};
const countdownLabel = (days) => {
if (days === 0) return 'Tonight!';
if (days === 1) return 'Tomorrow';
if (days < 7) return `In ${days} days`;
if (days < 14) return 'Next week';
if (days < 60) return `In ${Math.round(days / 7)} weeks`;
return `In ${Math.round(days / 30)} months`;
};
return html`
<div class="almanac-panel">
<div class="almanac-header">
<span class="almanac-title">🔭 What's Coming</span>
<span class="almanac-subtitle">Cosmic events · next 90 days · ${location.name}</span>
</div>
<div class="almanac-list">
${upcoming.length === 0
? html`<div class="almanac-empty">No major cosmic events in the next 90 days — clear skies ahead.</div>`
: upcoming.map(ev => html`
<div key=${ev.id} class="almanac-entry">
<div class="almanac-entry-accent" style=${{ background: ev.color === '#fdf8ee' ? '#c8922a' : ev.color }} />
<div class="almanac-entry-icon">${ev.emoji}</div>
<div class="almanac-entry-body">
<div class="almanac-entry-head">
<span class="almanac-entry-title">${ev.title}</span>
<span class="almanac-entry-date">${formatPeak(ev.peak)}</span>
<span class="almanac-entry-countdown">${countdownLabel(ev.daysUntil)}</span>
</div>
<div class="almanac-entry-desc">${ev.desc}</div>
${ev.visibilityNote && html`
<span class="almanac-entry-visibility">📍 ${ev.visibilityNote}</span>
`}
</div>
</div>
`)
}
</div>
</div>`;
})()}
<div class="utci-about">
<h2 class="utci-about-heading">What is SunScope?</h2>
<p class="utci-about-text">
SunScope is a free hourly weather forecast built around <strong>felt temperature</strong>,
not just air temperature. It uses the <strong>Universal Thermal Climate Index (UTCI)</strong>
the biometeorological standard used in heat-health warning systems worldwide as its
foundation, combining air temperature, humidity, wind, and solar radiation into a single
honest number. Then it goes further. Our <strong>SunSoak</strong> index layers three extra
dimensions on top: a rain and snow penalty so wet, windy days read as cold as they feel;
an <strong>environment modifier</strong> that adjusts the solar load for where you actually
are forest canopy, alpine altitude, lakeside glare, shaded riverbank, desert ground heat;
and the full radiant heat absorbed from surrounding surfaces. One number that honestly
answers: <em>what will my body actually feel out there?</em>
</p>
<p class="utci-about-text">
Beyond SunSoak, SunScope calculates <strong>vehicle cabin heat</strong> (choose your
vehicle type; toggle windows open), <strong>indoor temperature</strong> (seven building
types including office blocks; managed heatwave mode), <strong>urban concrete surface
temperature</strong>, <strong>UV index and sunburn time</strong> by skin type, and
<strong>soil temperature and moisture</strong> for farming and motorhome use. Switch
profiles Places, Activities, Work to see the data that matters for your situation,
or go Custom and build your own view.
<a href="./about.html" class="utci-about-link">Learn more </a>
</p>
</div>
<div class="utci-footer">
<em>Reading the table.</em> SunSoak is the number to watch — it reflects everything your body
actually experiences, not just what the thermometer says. A large gap between SunSoak and Air
temperature means solar radiation is doing significant work on your body. On clear sunny days
that gap can exceed 10 °C even at modest air temperatures. The environment modifier in the
SunSoak dropdown adjusts the solar load for your surroundings switch it to match where you are
for the most accurate reading.
${' '}<a onClick=${openWelcome}
style=${{ color: '#9a7d5a', borderBottom: '1px solid rgba(154,125,90,0.4)', paddingBottom: '1px', textDecoration: 'none', cursor: 'pointer' }}>
How it works
</a>
${isPro && html`
<div style=${{ marginTop: '10px', paddingTop: '10px', borderTop: '1px solid #d4c0a0' }}>
SunScope Extra is active.
<a href="https://billing.stripe.com/p/login/9B63cw7vl8k15Ei9DQd7q00"
target="_blank" rel="noopener noreferrer"
style=${{ color: '#9a7d5a', borderBottom: '1px solid rgba(154,125,90,0.4)', paddingBottom: '1px', textDecoration: 'none' }}>
Manage or cancel subscription →
</a>
</div>
`}
</div>
<footer class="utci-site-footer">
© 2026 <a href="https://fraxle.net" target="_blank" rel="noopener noreferrer">Fraxle.NET</a>
· <a href="./index.html">Forecast</a>
· <a href="./about.html">About</a>
· <a href="./faq.html">FAQ</a>
· <a href=${isPro
? 'https://billing.stripe.com/p/login/9B63cw7vl8k15Ei9DQd7q00'
: 'https://buy.stripe.com/9B63cw7vl8k15Ei9DQd7q00'}
target="_blank" rel="noopener noreferrer">Account</a>
· Data: <a href="https://open-meteo.com/" target="_blank" rel="noopener noreferrer">Open-Meteo</a>
· UTCI: <a href="https://utci.org/" target="_blank" rel="noopener noreferrer">Bröde 2012</a>
</footer>
</main>
</div>`;
}