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<!DOCTYPE html>
<html lang="nl">
<head>
<meta charset="UTF-8"/>
<meta name="viewport" content="width=device-width,initial-scale=1"/>
<title>Overijssel — Woningmarkt · Data Journalistiek</title>
<link rel="preconnect" href="https://fonts.googleapis.com"/>
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin/>
<link href="https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700;900&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet"/>
<link href="https://unpkg.com/maplibre-gl@4.1.2/dist/maplibre-gl.css" rel="stylesheet"/>
<script src="https://unpkg.com/maplibre-gl@4.1.2/dist/maplibre-gl.js"></script>
<script src="https://cdn.jsdelivr.net/npm/chart.js@4.4.0/dist/chart.umd.min.js"></script>
<script>
// BAG data loaded async from compact binary (mobile-friendly)
let BAG_COORDS = [];
let BAG_GEMEENTEN = [];
const GDOEL_MAP = ['w','i','k','o'];
async function loadBAGData() {
try {
// Load gemeenten + binary coords in parallel
const [gemRes, binRes] = await Promise.all([
fetch('data/bag/bag_gemeenten.json'),
fetch('data/bag/bag_coords.bin'),
]);
BAG_GEMEENTEN = await gemRes.json();
const buf = await binRes.arrayBuffer();
const view = new DataView(buf);
const count = view.getUint32(0, true);
BAG_COORDS = new Array(count);
let off = 4;
for (let i = 0; i < count; i++) {
const lng = view.getFloat32(off, true); off += 4;
const lat = view.getFloat32(off, true); off += 4;
const bj = view.getUint16(off, true); off += 2;
const gi = view.getUint8(off); off += 1;
const m2 = view.getUint16(off, true); off += 2;
const gd = view.getUint8(off); off += 1;
BAG_COORDS[i] = [lng, lat, bj, '', gi, m2, GDOEL_MAP[gd] || 'o'];
}
console.log('BAG binary loaded:', BAG_COORDS.length, 'objects');
// Load addresses — needed for building tooltips/cards
try {
const addrRes = await fetch('data/bag/bag_addrs.gz');
const addrBlob = await addrRes.blob();
const addrStream = addrBlob.stream().pipeThrough(new DecompressionStream('gzip'));
const addrText = await new Response(addrStream).text();
const addrs = addrText.split('\n');
for (let i = 0; i < Math.min(addrs.length, BAG_COORDS.length); i++) {
BAG_COORDS[i][3] = addrs[i];
}
console.log('BAG addresses loaded:', addrs.length);
} catch(e) {
console.warn('Address load failed:', e);
}
} catch(e) {
console.error('BAG data load failed:', e);
}
}
</script>
<style>
:root {
--bg: #08080e;
--surface: #0f0f1a;
--surface2: #161624;
--border: rgba(255,255,255,.07);
--border2: rgba(255,255,255,.12);
--t1: #f0f0f5;
--t2: #9090a8;
--t3: #505068;
--accent: #e8c97e; /* gold */
--accent2: #7c6af0; /* violet */
--red: #e05252;
--green: #4ade80;
--mono: 'JetBrains Mono', monospace;
--serif: 'Playfair Display', Georgia, serif;
--sans: 'Inter', system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin:0; padding:0; }
html, body { width:100%; height:100%; overflow:hidden; background:var(--bg); color:var(--t1); font-family:var(--sans); font-size:13px; }
/* ── Map ── */
#map { position:absolute; inset:0; }
/* ── Top bar ── */
#topbar {
position:absolute; top:0; left:0; right:0; z-index:40;
height:52px;
background:linear-gradient(to bottom, rgba(8,8,14,.98) 0%, rgba(8,8,14,.85) 100%);
border-bottom:1px solid var(--border);
display:flex; align-items:center; gap:0; padding:0 18px;
}
#topbar .pub { font-size:10px; letter-spacing:.14em; text-transform:uppercase; color:var(--t3); font-weight:500; margin-right:20px; white-space:nowrap; }
#topbar h1 { font-family:var(--serif); font-size:17px; font-weight:700; color:var(--t1); margin-right:auto; white-space:nowrap; cursor:pointer; user-select:none; }
#topbar h1:hover { color:var(--accent); }
#topbar h1 span { color:var(--accent); }
#topbar h1 .h1-arrow { font-size:11px; color:var(--t3); margin-left:3px; transition:color .15s; }
#topbar h1:hover .h1-arrow { color:var(--accent); }
.topbar-pill {
display:flex; align-items:center; gap:6px; padding:5px 11px;
border:1px solid var(--border2); border-radius:3px;
font-size:11px; font-weight:500; color:var(--t2);
cursor:pointer; transition:all .15s; background:transparent;
margin-left:8px;
}
.topbar-pill:hover { border-color:var(--accent); color:var(--accent); }
.topbar-pill.active { background:var(--accent); color:#0a0a0f; border-color:var(--accent); font-weight:600; }
.topbar-sep { width:1px; height:22px; background:var(--border); margin:0 10px; }
.kern-select {
background:var(--surface2); border:1px solid var(--border2);
border-radius:2px; color:var(--t2); font-size:10px; font-weight:500;
font-family:'Inter',sans-serif; letter-spacing:.04em;
padding:4px 22px 4px 8px; cursor:pointer; outline:none;
-webkit-appearance:none; appearance:none;
background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23505068'/%3E%3C/svg%3E");
background-repeat:no-repeat; background-position:right 6px center;
transition:border-color .15s,color .15s;
}
.kern-select:hover, .kern-select:focus { border-color:var(--accent); color:var(--accent); }
/* Panel gemeente selector — larger, full-width variant */
.gemeente-select {
width:100%; box-sizing:border-box;
background:var(--surface2); border:1px solid var(--border2);
border-radius:3px; color:var(--t1); font-size:11px; font-weight:500;
font-family:'Inter',sans-serif; letter-spacing:.03em;
padding:7px 28px 7px 10px; cursor:pointer; outline:none;
-webkit-appearance:none; appearance:none;
background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23505068'/%3E%3C/svg%3E");
background-repeat:no-repeat; background-position:right 10px center;
transition:border-color .15s,color .15s,background .15s;
}
.gemeente-select:hover, .gemeente-select:focus {
border-color:var(--accent); color:var(--accent);
background-color:rgba(212,175,55,.07);
}
.gemeente-select option { background:#0e0e1a; color:var(--t1); }
.gemeente-select-wrap {
padding:12px 18px 10px 18px;
border-bottom:1px solid var(--border);
}
.gemeente-select-label {
font-size:9px; text-transform:uppercase; letter-spacing:.1em;
color:var(--t3); font-weight:600; margin-bottom:6px;
}
/* ── Right-panel compact gemeente row ── */
.rp-gemeente-row {
display:flex; gap:6px; padding:10px 18px;
border-bottom:1px solid var(--border);
}
.rp-gemeente-dd {
flex:1; min-width:0;
background:var(--surface2); border:1px solid var(--border2);
border-radius:3px; color:var(--t1); font-size:11px; font-weight:600;
font-family:var(--sans); letter-spacing:.02em;
padding:6px 24px 6px 10px; cursor:pointer; outline:none;
-webkit-appearance:none; appearance:none;
background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%23e8c97e'/%3E%3C/svg%3E");
background-repeat:no-repeat; background-position:right 8px center;
transition:border-color .15s, color .15s;
white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.rp-gemeente-dd:hover, .rp-gemeente-dd:focus {
border-color:var(--accent); color:var(--accent);
}
.rp-gemeente-dd.compare {
color:var(--t3); font-weight:500;
background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%23505068'/%3E%3C/svg%3E");
}
.rp-gemeente-dd.compare:hover, .rp-gemeente-dd.compare:focus {
border-color:var(--accent2); color:var(--accent2);
}
.rp-gemeente-dd option { background:#0e0e1a; color:var(--t1); }
/* ── Left panel ── */
#left-panel {
position:absolute; left:0; top:52px; bottom:64px; z-index:30;
width:300px;
background:linear-gradient(to right, rgba(8,8,14,.97) 0%, rgba(8,8,14,.88) 80%, rgba(8,8,14,0) 100%);
display:flex; flex-direction:column;
pointer-events:none;
}
#left-panel > * { pointer-events:auto; }
#left-panel.panels-hidden { transform:translateX(-100%); opacity:0; pointer-events:none; transition:transform .3s,opacity .3s; }
#left-panel:not(.panels-hidden) { transition:transform .3s,opacity .3s; }
.panel-inner { padding:18px 18px 0 18px; }
/* Headline KPIs */
.kpi-hero {
padding:18px 18px 14px 18px;
border-bottom:1px solid var(--border);
}
.kpi-hero .year-badge {
display:inline-flex; align-items:center; gap:5px;
font-family:var(--mono); font-size:10px; font-weight:500;
color:var(--t3); letter-spacing:.06em; margin-bottom:8px;
}
.kpi-hero .year-badge.prog { color:var(--accent2); }
.kpi-hero .price-big {
font-family:var(--serif); font-size:34px; font-weight:900; color:var(--t1); line-height:1; letter-spacing:-.02em;
}
.kpi-hero .price-big .euro { font-size:20px; color:var(--t3); }
.kpi-hero .price-label { font-size:10px; color:var(--t2); margin-top:3px; }
.kpi-grid { display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--border); border-top:1px solid var(--border); }
.kpi-cell { background:var(--bg); padding:11px 14px; }
.kpi-cell .kv { font-family:var(--mono); font-size:15px; font-weight:500; color:var(--t1); }
.kpi-cell .kv.red { color:var(--red); }
.kpi-cell .kv.green { color:var(--green); }
.kpi-cell .kv.gold { color:var(--accent); }
.kpi-cell .kl { font-size:9px; color:var(--t3); text-transform:uppercase; letter-spacing:.07em; margin-top:2px; }
.delta { font-size:9px; margin-left:4px; }
.delta.up { color:var(--red); }
.delta.dn { color:var(--green); }
/* color mode selector */
.mode-row { display:flex; gap:3px; padding:12px 18px 8px 18px; }
.mode-btn {
flex:1; padding:6px 4px; border:1px solid var(--border2); border-radius:2px;
font-size:10px; font-weight:500; color:var(--t3); cursor:pointer;
transition:all .15s; background:transparent; text-align:center;
letter-spacing:.04em;
}
.mode-btn.active { border-color:var(--accent); color:var(--accent); background:rgba(232,201,126,.08); }
/* Building legend */
#bldg-legend { padding:0 18px 12px 18px; }
/* Story cards */
.story-wrap { padding:12px 18px 18px; display:flex; flex-direction:column; gap:8px; }
.story-card {
border-left:2px solid var(--border2); padding:8px 10px; background:transparent;
font-size:11px; line-height:1.55; color:var(--t2);
}
.story-card.gold { border-color:var(--accent); }
.story-card.red { border-color:var(--red); }
.story-card.violet { border-color:var(--accent2); }
.story-card .hed { font-weight:600; color:var(--t1); display:block; margin-bottom:3px; font-size:11.5px; }
/* ── Income persona widget ── */
.income-widget {
padding:10px 18px 12px;
border-bottom:1px solid var(--border);
background:rgba(232,201,126,.04);
}
.iw-label {
font-size:9px; color:var(--t3); font-family:var(--mono);
text-transform:uppercase; letter-spacing:.06em; margin-bottom:7px;
}
.iw-pills {
display:flex; gap:6px; flex-wrap:wrap; margin-bottom:8px;
}
.iw-pill {
padding:5px 10px; border:1px solid var(--border2); border-radius:2px;
background:var(--surface2); cursor:pointer; transition:all .15s;
text-align:left; line-height:1.3;
}
.iw-pill:hover { border-color:var(--accent2); }
.iw-pill.active { border-color:var(--accent); background:rgba(232,201,126,.10); }
.iw-pill .pill-name {
display:block; font-size:10px; font-weight:600; color:var(--t1);
font-family:var(--mono);
}
.iw-pill .pill-income {
display:block; font-size:9px; color:var(--accent); font-family:var(--mono);
}
.iw-pill .pill-desc {
display:block; font-size:8px; color:var(--t3); margin-top:1px;
}
.iw-custom-row {
display:flex; align-items:center; gap:7px;
}
.iw-custom-label {
font-size:9px; color:var(--t3); font-family:var(--mono); white-space:nowrap;
}
.income-widget input[type=number] {
width:88px; padding:4px 7px;
background:var(--surface2); border:1px solid var(--border2);
border-radius:2px; color:var(--accent); font-family:var(--mono);
font-size:11px; outline:none; transition:border-color .15s;
-moz-appearance:textfield;
}
.income-widget input[type=number]::-webkit-inner-spin-button,
.income-widget input[type=number]::-webkit-outer-spin-button { -webkit-appearance:none; }
.income-widget input[type=number]:focus { border-color:var(--accent); }
.iw-hint {
font-size:9px; color:var(--t3); font-family:var(--mono); flex:1;
}
/* ── Right panel ── */
#right-panel {
position:absolute; right:0; top:52px; bottom:64px; z-index:30;
width:320px;
background:linear-gradient(to left, rgba(8,8,14,.97) 0%, rgba(8,8,14,.88) 80%, rgba(8,8,14,0) 100%);
display:flex; flex-direction:column; overflow-y:auto;
scrollbar-width:thin; scrollbar-color:var(--border2) transparent;
}
#right-panel.panels-hidden { transform:translateX(100%); opacity:0; pointer-events:none; transition:transform .3s,opacity .3s; }
#right-panel:not(.panels-hidden) { transition:transform .3s,opacity .3s; }
.rp-section { padding:16px 18px; border-bottom:1px solid var(--border); }
.rp-label { font-size:9px; text-transform:uppercase; letter-spacing:.1em; color:var(--t3); font-weight:600; margin-bottom:10px; }
.chart-wrap { position:relative; }
.chart-wrap canvas { width:100% !important; }
/* Affordability bar */
.afford-bar { height:6px; border-radius:1px; background:var(--border2); margin-top:6px; overflow:hidden; position:relative; }
.afford-bar-fill { height:100%; border-radius:1px; transition:width .4s ease; }
.afford-label { display:flex; justify-content:space-between; font-size:9px; color:var(--t3); margin-top:3px; }
/* ── Year scrubber ── */
#scrubber {
position:absolute; bottom:0; left:0; right:0; z-index:40; height:64px;
background:linear-gradient(to top, rgba(8,8,14,.98) 0%, rgba(8,8,14,.85) 100%);
border-top:1px solid var(--border);
display:flex; align-items:center; gap:12px; padding:0 20px;
}
#scrubber .year-num {
font-family:var(--mono); font-size:22px; font-weight:500; color:var(--t1);
min-width:48px; text-align:center; line-height:1;
transition:color .2s;
}
#scrubber .year-num.prog { color:var(--accent2); }
#year-slider {
flex:1; -webkit-appearance:none; appearance:none; height:3px;
background:var(--border2); border-radius:1px; outline:none; cursor:pointer;
}
#year-slider::-webkit-slider-thumb {
-webkit-appearance:none; width:14px; height:14px;
border-radius:50%; background:var(--accent); cursor:pointer;
box-shadow:0 0 0 3px rgba(232,201,126,.2);
}
#year-slider::-moz-range-thumb {
width:14px; height:14px; border:none;
border-radius:50%; background:var(--accent); cursor:pointer;
}
.scrub-btn {
padding:6px 14px; border:1px solid var(--border2); border-radius:2px;
font-size:11px; font-weight:500; color:var(--t2); cursor:pointer;
transition:all .15s; background:transparent; font-family:var(--mono);
}
.scrub-btn:hover { border-color:var(--accent); color:var(--accent); }
.scrub-ticks { display:flex; justify-content:space-between; align-items:flex-end; font-size:8px; color:var(--t3); font-family:var(--mono); padding:0 7px; position:absolute; bottom:6px; left:80px; right:160px; pointer-events:none; line-height:1; }
.scrub-ticks .st-maj { color:var(--t3); }
.scrub-ticks .st-maj.prog { color:var(--accent2); opacity:.7; }
.scrub-ticks .st-maj.pre { color:var(--t3); opacity:.5; font-size:7px; }
.scrub-ticks .st-min { color:var(--border2); font-size:7px; }
/* ── Building card (floating panel — doesn't block scrubber) ── */
#bldg-card {
position:absolute; left:50%; bottom:76px; z-index:55;
transform:translateX(-50%) translateY(16px);
opacity:0; pointer-events:none;
transition:opacity .2s, transform .2s ease;
}
#bldg-card.open { opacity:1; pointer-events:auto; transform:translateX(-50%) translateY(0); }
#bldg-card-inner {
width:460px; max-width:calc(100vw - 320px);
max-height:calc(100vh - 140px);
overflow-y:auto;
scrollbar-width:thin; scrollbar-color:var(--border2) transparent;
background:rgba(15,15,26,.96); backdrop-filter:blur(12px);
border:1px solid var(--border2);
border-radius:4px; box-shadow:0 8px 32px rgba(0,0,0,.5);
}
.bc-header { padding:14px 18px 10px; border-bottom:1px solid var(--border); }
.bc-address { font-family:var(--serif); font-size:18px; font-weight:700; color:var(--t1); line-height:1.2; }
.bc-postcode { font-family:var(--mono); font-size:10px; color:var(--t3); margin-top:3px; }
.bc-close {
position:absolute; top:10px; right:12px;
font-size:16px; color:var(--t3); cursor:pointer; background:none; border:none;
transition:color .15s;
}
.bc-close:hover { color:var(--t1); }
.bc-nav { position:absolute; top:10px; right:36px; display:flex; gap:2px; }
.bc-nav button {
background:none; border:1px solid var(--border); border-radius:2px;
color:var(--t3); font-size:12px; width:22px; height:22px;
cursor:pointer; display:flex; align-items:center; justify-content:center;
transition:color .12s, border-color .12s;
}
.bc-nav button:hover { color:var(--t1); border-color:var(--border2); }
.bc-nav button:disabled { opacity:.25; cursor:default; }
.bc-year-note { font-family:var(--mono); font-size:9px; color:var(--accent2); margin-top:2px; }
.bc-grid { display:grid; grid-template-columns:1fr 1fr 1fr; gap:1px; background:var(--border); }
.bc-cell { background:rgba(15,15,26,.96); padding:10px 14px; }
.bc-cell .val { font-family:var(--mono); font-size:15px; font-weight:500; color:var(--t1); }
.bc-cell .lbl { font-size:8px; text-transform:uppercase; letter-spacing:.08em; color:var(--t3); margin-top:2px; }
.bc-body { padding:12px 18px; }
.bc-afford { margin-bottom:10px; display:flex; flex-direction:column; gap:6px; }
.bc-afford-title { font-size:9px; font-weight:700; color:var(--t3); text-transform:uppercase; letter-spacing:.08em; margin-bottom:2px; }
.bc-persona { background:var(--surface2); border:1px solid var(--border); border-radius:2px; padding:8px 12px; }
.bc-persona-head { display:flex; justify-content:space-between; align-items:center; margin-bottom:5px; }
.bc-persona-label { font-size:9px; font-weight:700; color:var(--t2); text-transform:uppercase; letter-spacing:.07em; }
.bc-persona-badge { font-family:var(--mono); font-size:9px; font-weight:700; padding:2px 6px; border-radius:10px; }
.badge-ok { background:rgba(74,200,120,.18); color:#4ac878; }
.badge-warn { background:rgba(245,158,11,.18); color:#f59e0b; }
.badge-bad { background:rgba(220,60,60,.18); color:#dc3c3c; }
.bc-meter { margin-bottom:4px; }
.bc-meter .row { display:flex; justify-content:space-between; align-items:baseline; margin-bottom:2px; }
.bc-meter .row span:first-child { font-size:9px; color:var(--t2); }
.bc-meter .row span:last-child { font-family:var(--mono); font-size:10px; color:var(--t1); }
.bc-bar { height:3px; background:var(--border2); border-radius:1px; overflow:hidden; margin-top:4px; }
.bc-bar-fill { height:100%; border-radius:1px; transition:width .4s ease; }
.bc-era-badge { display:inline-block; padding:2px 6px; border-radius:2px; font-size:9px; font-weight:500; margin-right:5px; }
.era-pre45 { background:rgba(124,58,237,.25); color:#c4b5fd; }
.era-45-65 { background:rgba(37,99,235,.25); color:#93c5fd; }
.era-65-85 { background:rgba(14,165,233,.25); color:#7dd3fc; }
.era-85-05 { background:rgba(20,184,166,.25); color:#5eead4; }
.era-05-15 { background:rgba(245,158,11,.25); color:#fcd34d; }
.era-post15 { background:rgba(249,115,22,.25); color:#fdba74; }
.bc-context { font-size:10px; color:var(--t2); line-height:1.5; }
/* ── Tooltip ── */
#maptip {
position:absolute; z-index:50; pointer-events:none;
background:rgba(8,8,14,.95); border:1px solid var(--border2);
padding:8px 12px; border-radius:2px; font-size:11px; color:var(--t1);
max-width:260px; white-space:nowrap; display:none; line-height:1.6;
}
/* ── Gemeente notice ── */
#gemeente-notice {
position:absolute; top:62px; left:50%; transform:translateX(-50%); z-index:50;
background:rgba(124,107,16,.95); border:1px solid rgba(232,201,126,.4);
padding:7px 16px; border-radius:2px; font-size:11px; color:var(--accent);
white-space:nowrap; pointer-events:none; opacity:0; transition:opacity .3s;
}
#gemeente-notice.show { opacity:1; }
/* ── Fusie badge ── */
#fusie-badge {
display:none; /* hidden unless a fusie gemeente is active in pre-merger era */
margin:0 18px 10px 18px;
padding:8px 12px;
background:rgba(124,106,240,.10);
border:1px solid rgba(124,106,240,.28);
border-radius:3px;
font-size:10px; line-height:1.5;
}
#fusie-badge .fb-era {
font-size:9px; font-weight:700; text-transform:uppercase; letter-spacing:.08em;
color:var(--accent2); font-family:var(--mono); margin-bottom:4px;
}
#fusie-badge .fb-names {
color:var(--t1); font-weight:600; font-size:11px; margin-bottom:2px;
}
#fusie-badge .fb-sub {
color:var(--t3); font-size:9px;
}
#fusie-badge.post-merger {
background:rgba(74,222,128,.06);
border-color:rgba(74,222,128,.20);
}
#fusie-badge.post-merger .fb-era { color:#4ade80; }
/* Pulsing new-build dots */
@keyframes pulse-ring {
0% { opacity:.8; transform:scale(1); }
70% { opacity:0; transform:scale(2.2); }
100% { opacity:0; transform:scale(2.2); }
}
/* Scrollbar */
#right-panel::-webkit-scrollbar { width:4px; }
#right-panel::-webkit-scrollbar-track { background:transparent; }
#right-panel::-webkit-scrollbar-thumb { background:var(--border2); border-radius:2px; }
/* Layer toggles */
.layer-row { display:flex; align-items:center; gap:8px; padding:7px 18px; cursor:pointer; }
.layer-row:hover { background:rgba(255,255,255,.02); }
.layer-dot { width:8px; height:8px; border-radius:50%; flex-shrink:0; }
.layer-lbl { font-size:11px; color:var(--t2); flex:1; }
.layer-toggle { width:28px; height:16px; border-radius:8px; position:relative; cursor:pointer; transition:background .2s; }
.layer-toggle::after { content:''; position:absolute; top:2px; left:2px; width:12px; height:12px; border-radius:50%; background:#fff; transition:transform .2s; }
.layer-toggle.on { background:var(--accent); }
.layer-toggle.on::after { transform:translateX(12px); }
.layer-toggle.off { background:var(--border2); }
/* Tip tooltips */
[data-tip] { cursor:help; border-bottom:1px dotted var(--t3); }
[data-tip]:hover::after {
content:attr(data-tip); position:fixed; z-index:100;
background:var(--surface); border:1px solid var(--border2);
padding:8px 12px; border-radius:2px; font-size:11px; color:var(--t2);
max-width:240px; white-space:normal; line-height:1.5;
pointer-events:none;
}
/* ── Mobile responsive ── */
@media (max-width:760px) {
/* Collapse topbar to minimal */
#topbar { padding:0 10px; gap:0; }
#topbar .pub { display:none; }
#topbar h1 { font-size:13px; margin-right:6px; }
.topbar-sep { margin:0 4px; }
#style-light, #style-sat { display:none; }
.topbar-pill { padding:4px 8px; font-size:10px; margin-left:4px; }
/* Left panel → bottom sheet */
#left-panel {
top:auto;
bottom:56px;
left:0; right:0;
width:100%;
height:auto;
max-height:60vh;
overflow-y:auto;
-webkit-overflow-scrolling:touch;
background:rgba(8,8,14,.97);
border-top:1px solid var(--border);
border-radius:12px 12px 0 0;
flex-direction:column;
pointer-events:auto;
transition:max-height .3s ease, transform .3s ease;
will-change:transform;
}
#left-panel.collapsed { max-height:58px; overflow:hidden; }
#left-panel.expanded { max-height:80vh; }
/* Drag handle */
.mobile-drag-handle {
display:flex !important;
justify-content:center; padding:8px 0 4px;
cursor:grab; touch-action:none;
}
.mobile-drag-handle span {
width:36px; height:4px; background:var(--border2); border-radius:2px;
}
.kpi-hero { padding:10px 14px; border-bottom:none; }
.kpi-hero .price-big { font-size:22px; }
.kpi-hero .price-label { font-size:9px; }
.kpi-grid { grid-template-columns:repeat(3,1fr); }
.kpi-cell { padding:6px 8px; }
.kpi-cell .kv { font-size:12px; }
.kpi-cell .kl { font-size:8px; }
.mode-row { flex-wrap:wrap; padding:6px 10px 4px; }
.mode-btn { font-size:9px; padding:5px 3px; }
#bldg-legend { padding:0 10px 6px; }
.income-widget { padding:8px 12px 10px; }
.iw-pills { gap:4px; }
.iw-pill { padding:4px 8px; }
.story-wrap { display:none; }
/* Right panel: show price chart in bottom sheet on mobile */
#right-panel { display:none; }
/* Scrubber compact */
#scrubber { padding:0 10px; gap:6px; height:56px; }
#scrubber .year-num { font-size:18px; min-width:38px; }
.scrub-ticks { display:none; }
.scrub-btn { padding:4px 8px; font-size:10px; }
/* Larger touch target for slider thumb */
#year-slider::-webkit-slider-thumb {
width:24px; height:24px;
box-shadow:0 0 0 4px rgba(232,201,126,.25);
}
#year-slider::-moz-range-thumb {
width:24px; height:24px;
}
#year-slider { height:4px; }
/* Building card — compact on mobile */
#bldg-card { left:8px; right:8px; bottom:62px; transform:translateX(0) translateY(16px); }
#bldg-card.open { transform:translateX(0) translateY(0); }
#bldg-card-inner { width:100%; max-width:100%; }
.bc-grid { grid-template-columns:1fr 1fr 1fr; }
.bc-cell { padding:8px 10px; }
.bc-cell .val { font-size:13px; }
/* Toggle button for left panel on mobile */
#mobile-panel-toggle {
display:flex;
position:absolute;
top:52px; left:50%; transform:translateX(-50%);
z-index:45;
background:var(--surface); border:1px solid var(--border2);
border-top:none; border-radius:0 0 4px 4px;
padding:3px 16px; cursor:pointer;
font-size:9px; letter-spacing:.08em; color:var(--t3); text-transform:uppercase;
align-items:center; gap:4px;
}
}
/* Drag handle hidden on desktop */
.mobile-drag-handle { display:none; }
/* Show toggle only on mobile */
#mobile-panel-toggle { display:none; }
</style>
</head>
<body>
<!-- Map -->
<div id="map"></div>
<!-- Mobile panel toggle (visible only on small screens) -->
<button id="mobile-panel-toggle" onclick="toggleMobilePanel()" aria-label="Toon/verberg paneel">
<span id="mobile-panel-arrow">▾</span> Statistieken
</button>
<!-- Gemeente transition notice -->
<div id="gemeente-notice" aria-live="polite"></div>
<!-- Map tooltip -->
<div id="maptip"></div>
<!-- Building card overlay -->
<div id="bldg-card" role="dialog" aria-label="Gebouwdetails">
<div id="bldg-card-inner" style="position:relative">
<div class="bc-nav">
<button id="bc-prev" onclick="navBldg(-1)" title="Vorige (←)">‹</button>
<button id="bc-next" onclick="navBldg(+1)" title="Volgende (→)">›</button>
</div>
<button class="bc-close" onclick="closeBldgCard()">✕</button>
<div class="bc-header">
<div class="bc-address" id="bc-address">—</div>
<div class="bc-postcode" id="bc-postcode"></div>
<div class="bc-year-note" id="bc-year-note"></div>
</div>
<div class="bc-grid">
<div class="bc-cell"><div class="val" id="bc-bj">—</div><div class="lbl">Bouwjaar</div></div>
<div class="bc-cell"><div class="val" id="bc-m2">—</div><div class="lbl" id="bc-m2-lbl">m² (BAG)</div></div>
<div class="bc-cell"><div class="val" id="bc-woz">—</div><div class="lbl">Gesch. WOZ <span id="bc-woz-year" style="font-size:9px"></span></div></div>
</div>
<div class="bc-body">
<div id="bc-thumb-wrap" style="margin-bottom:10px;border-radius:3px;overflow:hidden;position:relative;height:120px;background:var(--surface2);display:none">
<img id="bc-thumb" style="width:100%;height:100%;object-fit:cover" alt="" />
<a id="bc-streetview-link" target="_blank" rel="noopener" style="position:absolute;bottom:4px;right:6px;font-size:9px;color:var(--accent);background:rgba(0,0,0,.7);padding:2px 6px;border-radius:2px;text-decoration:none">Street View →</a>
</div>
<div style="margin-bottom:10px" id="bc-era-wrap"></div>
<!-- Hypotheek calculator -->
<div id="bc-hyp" style="margin-top:12px;padding:12px;background:var(--surface2);border-radius:4px;border:1px solid var(--border);display:none">
<div style="font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--t3);font-weight:600;margin-bottom:8px">Hypotheek berekening</div>
<div style="display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:8px">
<div style="text-align:center;padding:6px;background:var(--bg);border-radius:3px">
<div style="font-family:var(--mono);font-size:13px;color:var(--t1);font-weight:600" id="bc-hyp-max">—</div>
<div style="font-size:9px;color:var(--t3);margin-top:2px">Max. hypotheek</div>
</div>
<div style="text-align:center;padding:6px;background:var(--bg);border-radius:3px">
<div style="font-family:var(--mono);font-size:13px;font-weight:600" id="bc-hyp-gap">—</div>
<div style="font-size:9px;color:var(--t3);margin-top:2px">Verschil</div>
</div>
</div>
<div style="margin-bottom:6px">
<div style="display:flex;justify-content:space-between;font-size:9px;color:var(--t3);margin-bottom:3px">
<span>Hypotheek vs. woningwaarde</span>
<span id="bc-hyp-pct">—</span>
</div>
<div style="height:6px;background:var(--bg);border-radius:3px;overflow:hidden">
<div id="bc-hyp-bar" style="height:100%;border-radius:3px;transition:width .3s,background .3s"></div>
</div>
</div>
<div style="display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px">
<div style="text-align:center;padding:5px 2px;background:var(--bg);border-radius:3px">
<div style="font-family:var(--mono);font-size:11px;color:var(--t1)" id="bc-hyp-mnd">—</div>
<div style="font-size:8px;color:var(--t3);margin-top:1px">Maandlast 30jr</div>
</div>
<div style="text-align:center;padding:5px 2px;background:var(--bg);border-radius:3px">
<div style="font-family:var(--mono);font-size:11px;color:var(--t1)" id="bc-hyp-rente">—</div>
<div style="font-size:8px;color:var(--t3);margin-top:1px">Rente (vast)</div>
</div>
<div style="text-align:center;padding:5px 2px;background:var(--bg);border-radius:3px">
<div style="font-family:var(--mono);font-size:11px;color:var(--t1)" id="bc-hyp-ratio">—</div>
<div style="font-size:8px;color:var(--t3);margin-top:1px">Woonquote</div>
</div>
</div>
</div>
</div>
</div>
</div>
<!-- ── TOP BAR ── -->
<header id="topbar">
<span class="pub">Woningmarkt analyse</span>
<h1 onclick="openKernSelect()" title="Selecteer een gemeente">
<span id="nav-kern">Overijssel</span> <span class="h1-arrow">▾</span>
</h1>
<div class="topbar-sep"></div>
<!-- Style switcher -->
<button class="topbar-pill active" id="style-dark" onclick="setStyle('dark')">Nacht</button>
<button class="topbar-pill" id="style-light" onclick="setStyle('light')">Dag</button>
<button class="topbar-pill" id="style-sat" onclick="setStyle('satellite')">Satelliet</button>
<div class="topbar-sep"></div>
<button class="topbar-pill" onclick="togglePanels()" id="btn-panels" title="Toon/verberg zijpanelen">◧ Panelen</button>
<button class="topbar-pill" onclick="exportCSV()" title="Download data als CSV">↓ CSV</button>
<button class="topbar-pill" onclick="shareURL()" title="Kopieer link">Delen</button>
<button class="topbar-pill" onclick="window.location='index.html'" style="margin-left:4px">Analyse →</button>
</header>
<!-- ── LEFT PANEL ── -->
<aside id="left-panel">
<!-- Drag handle (mobile only) -->
<div class="mobile-drag-handle" id="mobile-drag-handle"><span></span></div>
<!-- Headline KPI -->
<div class="kpi-hero">
<div class="year-badge" id="year-badge">
<span id="kpi-year">2024</span>
</div>
<div class="price-big"><span class="euro" id="price-euro">€</span><span id="year-price">362.592</span></div>
<div class="price-label"><span id="price-label-text">gem. verkoopprijs</span> <span id="price-prog-lbl" style="color:var(--accent2);margin-left:4px;display:none">prognose</span></div>
</div>
<!-- KPI grid -->
<div class="kpi-grid">
<div class="kpi-cell">
<div class="kv" id="kv-woz">—</div>
<div class="kl"><span data-tip="WOZ-waarde = officiële belastingwaarde. Wordt jaarlijks vastgesteld door gemeente. Basis voor OZB en andere belastingen.">WOZ-waarde</span></div>
</div>
<div class="kpi-cell">
<div class="kv" id="kv-inc">—</div>
<div class="kl"><span data-tip="Besteedbaar inkomen van een eenpersoonshuishouden (single). CBS tabel 70072ned. Basis voor hypotheekberekening starters.">Single inkomen/jr</span></div>
</div>
<div class="kpi-cell">
<div class="kv red" id="kv-gap">—</div>
<div class="kl"><span data-tip="Betaalbaarheidskloof = verschil tussen gemiddelde verkoopprijs en maximale hypotheek van een single starter (4,5× inkomen).">Betaalbaarheids­kloof</span></div>
</div>
<div class="kpi-cell">
<div class="kv" id="kv-koop">—</div>
<div class="kl"><span data-tip="Percentage woningen in eigendom van bewoner (Twenterand referentie). Nationaal gemiddelde ~56%.">Koopquote</span></div>
</div>
<div class="kpi-cell">
<div class="kv" id="kv-bev">—</div>
<div class="kl">Bevolking</div>
</div>
<div class="kpi-cell">
<div class="kv" id="kv-hh">—</div>
<div class="kl">Huishoudens</div>
</div>
</div>
<!-- Fusie / gemeente-era badge -->
<div id="fusie-badge"></div>
<!-- Income personalisation -->
<div class="income-widget">
<div class="iw-label">Bereken betaalbaarheid voor jouw situatie</div>
<div class="iw-pills">
<button class="iw-pill active" id="pill-minimumloon" onclick="selectPersona('minimumloon')">
<span class="pill-name">Minimumloon</span>
<span class="pill-income">€958/mnd</span>
<span class="pill-desc">WML alleenstaand</span>
</button>
<button class="iw-pill" id="pill-modaal" onclick="selectPersona('modaal')">
<span class="pill-name">Modaal</span>
<span class="pill-income">€1.408/mnd</span>
<span class="pill-desc">Alleenstaand, ~€44k/jr</span>
</button>
<button class="iw-pill" id="pill-anderhalfmodaal" onclick="selectPersona('anderhalfmodaal')">
<span class="pill-name">1,5× modaal</span>
<span class="pill-income">€2.112/mnd</span>
<span class="pill-desc">Alleenstaand, ~€66k/jr</span>
</button>
<button class="iw-pill" id="pill-dubbelmodaal" onclick="selectPersona('dubbelmodaal')">
<span class="pill-name">Dubbelmodaal</span>
<span class="pill-income">€2.817/mnd</span>
<span class="pill-desc">Huishouden, 2× modaal</span>
</button>
</div>
<div class="iw-custom-row">
<span class="iw-custom-label">€/mnd</span>
<input type="number" id="map-user-income" min="0" max="20000" step="50" value="958"
oninput="onMapIncomeInput(this.value)" />
</div>
</div>
<!-- Color mode -->
<div class="mode-row">
<button class="mode-btn active" id="cm-prijs" onclick="setColorMode('prijs')">Betaalbaarheid</button>
<button class="mode-btn" id="cm-bouwjaar" onclick="setColorMode('bouwjaar')">Bouwjaar</button>
<button class="mode-btn" id="cm-bezit" onclick="setColorMode('bezit')">Koop/huur</button>
</div>
<div class="mode-row" style="padding-top:0">
<button class="mode-btn" id="btn-woz-overlay" onclick="toggleWozOverlay()">WOZ gem. gemeente</button>
<button class="mode-btn" id="btn-income-overlay" onclick="toggleIncomeOverlay()">Inkomen per gemeente</button>
</div>
<div id="bldg-legend"></div>
<!-- Story cards -->
<div class="story-wrap">
<div class="story-card red">
<span class="hed">Betaalbaarheid onder druk.</span>
Overijssel-prijzen +86% sinds 2010 (Twenterand +73%). Single inkomen +60%. De kloof voor starters groeit elk jaar.
</div>
<div class="story-card gold">
<span class="hed">44% van de woningvoorraad van vóór 1975.</span>
545k woningen in Overijssel, 242k voor de energiecrisis gebouwd. Zet <em>Verduurzaming urgentie</em> aan voor de dichtheidskaart. Klik een pand voor individuele details.
</div>
<div class="story-card violet">
<span class="hed">Nieuwbouwdruk ongelijk verdeeld.</span>
56k panden na 2015 (10% van voorraad). Urk 19%, Staphorst 17% vs. Hellendoorn 6%. Gouden stippen verschijnen automatisch bij het vooruitspoelen van de tijdlijn.
</div>
<div class="story-card" style="border-color:rgba(56,189,248,.25);background:rgba(56,189,248,.06)">
<span class="hed">Woninggrootte geeft inzicht in type.</span>
Van studio's in Enschede & Almelo tot vrijstaande woningen in Tubbergen & Staphorst. Selecteer <em>Grootte</em> voor de BAG-exacte m²-kaart.
</div>
</div>
</aside>
<!-- ── RIGHT PANEL ── -->
<aside id="right-panel">
<!-- Compact gemeente selector row -->
<div class="rp-gemeente-row">
<select class="rp-gemeente-dd" id="gemeente-select-right" onchange="flyToGemeente(this.value)">
<option value="">Overijssel</option>
<option value="0">Almelo</option>
<option value="1">Borne</option>
<option value="2">Dalfsen</option>
<option value="3">Deventer</option>
<option value="4">Dinkelland</option>
<option value="5">Enschede</option>
<option value="6">Haaksbergen</option>
<option value="7">Hardenberg</option>
<option value="8">Hellendoorn</option>
<option value="9">Hengelo</option>
<option value="10">Kampen</option>
<option value="11">Losser</option>
<option value="12">Noordoostpolder</option>
<option value="13">Oldenzaal</option>
<option value="14">Twenterand</option>
<option value="15">Tubbergen</option>
<option value="16">Urk</option>
<option value="17">Wierden</option>
<option value="18">Zwolle</option>
<option value="19">Olst-Wijhe</option>
<option value="20">Steenwijkerland</option>
<option value="21">Staphorst</option>
<option value="22">Zwartewaterland</option>
<option value="23">Rijssen-Holten</option>
<option value="24">Ommen</option>
</select>
<select class="rp-gemeente-dd compare" id="gemeente-compare" onchange="onCompareGemeente(this.value)">
<option value="">+ vergelijk</option>
<option value="0">Almelo</option>
<option value="1">Borne</option>
<option value="2">Dalfsen</option>
<option value="3">Deventer</option>
<option value="4">Dinkelland</option>
<option value="5">Enschede</option>
<option value="6">Haaksbergen</option>
<option value="7">Hardenberg</option>
<option value="8">Hellendoorn</option>
<option value="9">Hengelo</option>
<option value="10">Kampen</option>
<option value="11">Losser</option>
<option value="12">Noordoostpolder</option>
<option value="13">Oldenzaal</option>
<option value="14">Twenterand</option>
<option value="15">Tubbergen</option>
<option value="16">Urk</option>
<option value="17">Wierden</option>
<option value="18">Zwolle</option>
<option value="19">Olst-Wijhe</option>
<option value="20">Steenwijkerland</option>
<option value="21">Staphorst</option>
<option value="22">Zwartewaterland</option>
<option value="23">Rijssen-Holten</option>
<option value="24">Ommen</option>
</select>
</div>
<!-- Price chart -->
<div class="rp-section">
<div class="rp-label">Verkoopprijs 1970–2025 <span style="color:var(--t3);font-size:9px">(Twenterand / OV / NL)</span></div>
<div class="chart-wrap" style="height:130px">
<canvas id="chart-price"></canvas>
</div>
</div>
<!-- Starter affordability -->
<div class="rp-section" id="starter-section">
<div class="rp-label">Starter bereikbaarheid <span id="starter-year" style="color:var(--t3)"></span></div>
<div id="starter-card"></div>
</div>
<!-- Income chart -->
<div class="rp-section">
<div class="rp-label">Inkomen per type huishouden</div>
<div class="chart-wrap" style="height:130px">
<canvas id="chart-inkomen"></canvas>
</div>
</div>
<!-- Betaalbaarheidskloof chart -->
<div class="rp-section">
<div class="rp-label">Betaalbaarheidskloof single starter</div>
<div class="chart-wrap" style="height:130px">
<canvas id="chart-afford"></canvas>
</div>
</div>
<!-- Migration panel -->
<div class="rp-section" id="migration-panel">
<div class="rp-label">Verhuisbewegingen Overijssel <span id="mig-year" style="color:var(--t3)"></span></div>
<div id="mig-totals" style="display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border);margin-bottom:8px"></div>
<div id="mig-flows"></div>
</div>
<!-- Age distribution chart -->
<div class="rp-section">
<div class="rp-label">Leeftijdsopbouw (jong / werkend / 65+)</div>
<div class="chart-wrap" style="height:110px">
<canvas id="chart-age"></canvas>
</div>
</div>
<!-- Population chart -->
<div class="rp-section">
<div class="rp-label">Bevolking & migratie</div>
<div class="chart-wrap" style="height:120px">
<canvas id="chart-pop"></canvas>
</div>
</div>
<!-- Housing tenure chart -->
<div class="rp-section">
<div class="rp-label">Woningbezit 2009–2025</div>
<div class="chart-wrap" style="height:110px">
<canvas id="chart-tenure"></canvas>
</div>
</div>
<!-- Household composition chart -->
<div class="rp-section">
<div class="rp-label">Huishoudensamenstelling</div>
<div class="chart-wrap" style="height:110px">
<canvas id="chart-hh-comp"></canvas>
</div>
</div>
<!-- Regional price comparison -->
<div class="rp-section">
<div class="rp-label">Prijsvergelijking regio 1995–2025</div>
<div class="chart-wrap" style="height:120px">
<canvas id="chart-regio"></canvas>
</div>
</div>
<!-- Layer toggles -->
<div class="rp-section">
<div class="rp-label">Kaartlagen</div>
<div id="layer-list"></div>
</div>
</aside>
<!-- ── YEAR SCRUBBER ── -->
<div id="scrubber">
<div class="year-num" id="year-display">2024</div>
<div style="flex:1;position:relative;display:flex;flex-direction:column;gap:6px">
<input type="range" id="year-slider" min="1960" max="2025" value="2024" step="1" oninput="onYear(+this.value)"/>
<div class="scrub-ticks" id="scrub-ticks"></div>
</div>
<div style="display:flex;flex-direction:column;gap:2px;margin-right:2px" title="Tijdlijn vergroten/verkleinen">
<button class="scrub-btn" style="padding:1px 6px;font-size:9px;line-height:1" onclick="shiftTimelineMin(-20)">◂ eerder</button>
<button class="scrub-btn" style="padding:1px 6px;font-size:9px;line-height:1" onclick="shiftTimelineMin(+20)">later ▸</button>
</div>
<button class="scrub-btn" id="btn-play" onclick="togglePlay()">▶ Play</button>
<button class="scrub-btn" id="btn-speed" onclick="cycleSpeed()" title="Afspeelsnelheid">1×</button>
<button class="scrub-btn" onclick="resetYear()">↺</button>
</div>
<script>
// ── Timeline ticks ──
let _timelineMin = 1960;
const _timelineMax = 2025;
const TIMELINE_FLOOR = 1880;
const TIMELINE_CEIL = 2020; // can't push start past this
function buildTicks() {
const el = document.getElementById('scrub-ticks');
if (!el) return;
el.innerHTML = '';
const span = _timelineMax - _timelineMin;
for (let y = _timelineMin; y <= _timelineMax; y++) {
const pre1995 = y < 1995;
// Adaptive tick density based on range
const isMajor = span > 100 ? (y % 20 === 0) :
pre1995 ? (y % 20 === 0) : (y % 5 === 0);
const isMinor = span > 100 ? (y % 10 === 0 && !isMajor) :
pre1995 ? (y % 10 === 0 && !isMajor) : !isMajor;
if (pre1995 && !isMajor && !isMinor) continue;
const sp = document.createElement('span');
if (isMajor) {
sp.className = 'st-maj' + (pre1995 ? ' pre' : '');
sp.textContent = y;
} else if (isMinor) {