:root{--ink:#173b43;--muted:#667c80;--line:#dbe5e1;--paper:#f9fbf9;--bg:#eef3f0;--deep:#123c42;--mint:#a5e2cd;--accent:#347b69;--cyan:#0d8ba3;--warn:#b65740;--ok:#2c7a57;--zone:#b4841b}
*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;font-family:Inter,"Segoe UI",system-ui,Arial,sans-serif;color:var(--ink);font-size:13px;background:var(--bg)}
button,input{font:inherit;color:inherit}button{cursor:pointer;border:0;background:none;border-radius:7px}
:focus-visible{outline:3px solid #d8a448;outline-offset:2px}
header{height:60px;display:flex;align-items:center;gap:20px;padding:0 20px;background:var(--paper);border-bottom:1px solid var(--line);position:relative;z-index:20}
.brand{display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--ink);font-weight:650;font-size:18px;letter-spacing:-.5px;line-height:1.05}
.brand small{display:block;font-size:8px;letter-spacing:2.1px;font-weight:600;color:#5a7776;margin-top:3px}
.brand-icon{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--deep);color:var(--mint);font-size:24px}.brand-logo{display:block;width:34px;height:34px;object-fit:contain;flex-shrink:0}
.hdr-title{border-left:1px solid var(--line);padding-left:18px;display:grid;gap:2px;line-height:1.2}.hdr-title strong{font-size:14px}.hdr-title span{font-size:11px;color:var(--muted)}
nav{display:flex;gap:3px;margin-left:6px}
.nav{padding:8px 13px;border-radius:7px;font-size:11.5px;font-weight:600;color:#5d6e72;text-decoration:none;min-height:33px}
.nav.active{background:#2d565b;color:#d9f9e9;box-shadow:inset 2px 0 var(--mint)}
.concept-badge{margin-left:auto;background:#edf2e9;border:1px solid #dce6d4;color:#62755b;font-size:10.5px;padding:6px 10px;border-radius:6px;white-space:nowrap}
.round{width:30px;height:30px;border:1px solid var(--line);border-radius:50%;background:#fff;font-size:13px}
main{position:absolute;inset:60px 0 0;background:radial-gradient(ellipse at 50% 42%,#f7faf7 0%,#e9efec 55%,#e0e8e6 100%)}
#scene{position:absolute;inset:0;width:100%;height:100%;display:block;outline:none;touch-action:none}
#labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.lab{position:absolute;transform:translate(-50%,-130%);background:#fffffff2;border:1px solid var(--line);border-radius:7px;padding:4px 8px;font-size:11px;white-space:nowrap;box-shadow:0 3px 10px #1b303816;display:flex;align-items:center;gap:6px}
.lab i{width:7px;height:7px;border-radius:50%;background:var(--c)}.lab.cor{border-color:#9fdde9;color:#0e6475}.lab small{color:var(--muted);font-size:10px}
#loading{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);font-size:14px;pointer-events:none}
.mode-rail{position:absolute;left:12px;top:12px;bottom:12px;width:56px;background:#153b43;color:#bdd0d0;display:flex;flex-direction:column;align-items:stretch;padding:13px 5px 10px;gap:6px;border-radius:12px;z-index:6}
.mode-button{min-height:54px;padding:6px 1px;display:flex;flex-direction:column;gap:4px;align-items:center;justify-content:center;font-size:8.5px;color:#b9cfce;border-radius:9px;text-align:center;letter-spacing:.1px}
.mode-button>span{font-size:19px;line-height:21px}
.mode-button.active{background:#2d565b;color:#d9f9e9;box-shadow:inset 2px 0 var(--mint)}
.mode-button:hover{background:#264b53}
.rail-line{height:1px;background:#315059;margin:4px 5px}
.rail-bottom{margin-top:auto}
.pane{position:absolute;top:12px;bottom:12px;width:252px;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:17px 18px 14px;overflow-y:auto;scrollbar-width:thin;box-shadow:0 8px 30px #1a303a0f;z-index:5}
#left{left:80px}#right{right:12px;width:292px}
.eyebrow{font-size:8.5px;letter-spacing:1.6px;font-weight:700;color:#77918e}.eyebrow.mt{margin-top:16px;margin-bottom:8px}.row{display:flex;justify-content:space-between;align-items:center}
h1{font-size:21px;line-height:1.2;letter-spacing:-.6px;margin:8px 0 2px;font-weight:650}h2{font-size:20px;margin:6px 0 12px;font-weight:650;letter-spacing:-.4px}
.presets{display:grid;grid-template-columns:1fr 1fr;gap:4px;background:#e4ece6;padding:3px;border-radius:8px}.presets button{border-radius:6px;padding:7px 6px;font-size:11px;text-align:left;white-space:nowrap;color:#67807a}.presets .on{background:#fff;color:#1a4845;box-shadow:0 1px 3px #163c4214}
.layer{display:flex;align-items:center;gap:9px;padding:6px 0;border-bottom:1px solid #e8eee9;font-size:12px}.layer input{accent-color:var(--accent);width:15px;height:15px;margin:0}.layer .sw{width:18px;height:5px;border-radius:3px;background:var(--c)}.layer span{flex:1}.layer small{color:var(--muted);font-size:10px}
.chk{display:flex;align-items:center;gap:8px;font-size:11.5px;padding:4px 0;line-height:1.35}.chk input{accent-color:var(--accent);margin:0;width:14px;height:14px}.chk small{display:block;color:var(--muted);font-size:9.5px}
.note{font-size:10.5px;line-height:1.6;color:var(--muted);margin:14px 0 0;border-top:1px solid var(--line);padding-top:10px}.note b{color:var(--ink);font-weight:600}
.two{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:10px}
.ghost{border:1px solid #ccdbd5;border-radius:7px;padding:8px 6px;font-size:11.5px;background:#fff}.ghost.on{border-color:#91bbac;background:#e6f2e8}.ghost.full{width:100%;margin-top:10px}
.solid{background:var(--deep);color:#fff;border-radius:7px;padding:8px 12px;font-size:12px;font-weight:600}
.slider{display:grid;grid-template-columns:1fr auto;align-items:center;margin:9px 0 2px;font-size:11.5px}.slider output{font-weight:600;color:#0f6c7f;font-size:11.5px}.slider input{grid-column:1/-1;width:100%;accent-color:var(--accent);margin:6px 0 0}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:10px}.three label{font-size:10px;color:var(--muted)}.three input{width:100%;margin-top:3px;border:1px solid #d6e2dd;border-radius:6px;padding:6px;font-size:12px;color:var(--ink);background:#fff}
.meta{font-size:11px;color:var(--muted);margin:6px 0 10px}
.result{border-left:3px solid var(--muted);background:#f3f6f4;border-radius:6px;padding:9px 10px;font-size:11.5px;line-height:1.5}.result strong{display:block;font-size:12.5px;margin-bottom:2px}
.result.clear{border-color:var(--ok);background:#edf5ed}.result.overlap{border-color:var(--warn);background:#faf0e8}.result.zone{border-color:var(--zone);background:#fbf5e8}
.result ul{margin:4px 0 0;padding-left:16px}.result li{margin:1px 0}
.small{font-size:10px;color:#718680;line-height:1.6;margin:8px 0 12px}
.lbl{font-size:11px;color:var(--muted)}.save-row{display:flex;gap:6px;margin-top:4px}.save-row input{flex:1;min-width:0;border:1px solid #d6e2dd;border-radius:6px;padding:7px;background:#fff}
#c-list{margin-top:8px}.saved{display:flex;align-items:center;gap:6px;font-size:11.5px;border-bottom:1px solid #e8eee9;padding:5px 0}.saved span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.saved small{color:var(--muted)}.saved button{font-size:11px;color:var(--accent);padding:2px 4px}
.stage-top{position:absolute;top:18px;pointer-events:none;line-height:1.35}.stage-top strong{display:block;font-size:19px;font-weight:600;margin-top:4px}.stage-top span{font-size:11px;color:var(--muted)}
.nav-mode{position:absolute;top:16px;display:flex;background:var(--paper);border:1px solid var(--line);border-radius:9px;padding:3px;box-shadow:0 3px 12px #1a303a10}.nav-mode button{padding:6px 11px;font-size:11.5px;border-radius:6px}.nav-mode .on{background:var(--deep);color:#fff}
.tools{position:absolute;top:100px;display:flex;flex-direction:column;gap:5px}.tools button{width:34px;height:34px;background:var(--paper);border:1px solid var(--line);border-radius:8px;font-size:17px;box-shadow:0 2px 8px #1a303a0e}
.free-hint{position:absolute;top:60px;transform:translateX(-50%);background:#153b43ee;color:#e8f6f1;font-size:11.5px;padding:7px 12px;border-radius:8px;white-space:nowrap}
.tour{position:absolute;bottom:34px;transform:translateX(-50%);display:flex;align-items:center;gap:8px;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:5px;box-shadow:0 4px 16px #1a303a14;max-width:calc(100% - 24px)}.tour #tour-text{font-size:11.5px;padding-right:6px;max-width:330px}.tour #tour-text:empty{display:none}.tour #tour-prev,.tour #tour-next{width:26px;height:26px;border:1px solid var(--line);border-radius:6px}
.foot{position:absolute;bottom:10px;font-size:10px;color:#798c80;pointer-events:none}
.hidden{display:none!important}
.insp-back{width:100%;text-align:left;font-weight:600;color:var(--accent);padding:8px 0;border-bottom:1px solid var(--line);margin-bottom:10px}
#inspector h3{margin:4px 0 2px;font-size:18px;font-weight:650}#inspector .sub{font-size:11px;color:var(--muted)}
#inspector dl{margin:10px 0;font-size:12px}#inspector dt{font-size:9.5px;letter-spacing:.8px;color:#7d8d80;margin-top:9px;text-transform:uppercase}#inspector dd{margin:2px 0 0;line-height:1.5}
.tag{display:inline-block;font-size:10px;border-radius:4px;padding:2px 6px;margin-right:4px}.tag.src{background:#e6f2e8;color:#24644c}.tag.fic{background:#fbf5e8;color:#7d5521}
.tabs{display:none}
dialog{border:0;border-radius:14px;max-width:660px;width:calc(100% - 30px);padding:24px;box-shadow:0 30px 100px #102b3640;background:var(--paper);color:var(--ink)}dialog::backdrop{background:#0a2c3370}dialog .x{position:absolute;right:12px;top:8px;font-size:22px}dialog h2{margin-top:0}dialog li{margin:5px 0;font-size:12.5px;line-height:1.5}dialog a{color:var(--accent)}
#section-panel{position:absolute;left:0;right:0;top:auto;bottom:0;width:auto;height:232px;border-radius:0;border:0;border-top:1px solid var(--line);background:#f7faf6;padding:10px 18px 5px;z-index:6;box-shadow:0 -8px 30px #1a303a0c}
body.sec-open{--sec-h:232px}
@supports (height:100dvh){body.sec-open{--sec-h:clamp(160px,24dvh,232px)}}
#section-panel[hidden]{display:none}
.section-header{display:flex;align-items:center;gap:15px}
.section-header>div{display:grid;gap:3px;min-width:170px}.section-header strong{font-size:11.5px;font-weight:650}.section-header .eyebrow{font-size:7.5px;letter-spacing:1.4px}
.section-header>label{display:none}
.section-header>label output{font-weight:600;color:#0f6c7f;font-size:10px}
.section-header input{grid-column:1/-1;width:100%;accent-color:#35a583;min-height:21px}
.section-header .x{font-size:17px;min-width:30px;min-height:30px;color:#66827f}
.section-chart{height:150px;width:100%}
.section-chart svg{width:100%;height:100%;display:block}
.section-chart [data-select]{cursor:pointer}
.section-chart [data-select]:focus-visible{outline:none;stroke:#123c42}
.section-caption{font-size:8.5px;color:#829087;margin-top:2px}
@media (min-width:1001px){
  body.sec-open .pane{bottom:242px}
  body.sec-open .mode-rail{bottom:242px}
  body.sec-open #foot{bottom:240px}
  body.sec-open .tour{bottom:calc(var(--sec-h, 232px) + 14px)}
  body.sec-open #locator{bottom:248px}
}
@media (max-width:1000px){#section-panel{display:none}}
.lab.ruler{background:none;border:0;box-shadow:none;padding:0;font-size:10.5px;font-weight:600;color:#2f5f6a;transform:translate(-100%,-50%)}
.leader{position:absolute;height:1px;background:#0d8ba3;transform-origin:0 0;pointer-events:none}
.facts{font-size:11px;color:#3f5a5f;background:#eef4f1;border-radius:5px;padding:5px 7px;margin-top:4px;line-height:1.45}
.nav-orig{font-size:11px;color:var(--muted);text-decoration:none;border:1px solid var(--line);border-radius:7px;padding:6px 9px;white-space:nowrap;background:#fff}.nav-orig:hover{color:var(--ink)}
#locator{position:absolute;bottom:52px;width:170px;height:170px;border-radius:10px;border:1px solid var(--line);box-shadow:0 4px 14px #1a303a20;background:#eef1ee}
.compass{position:absolute;top:16px;width:34px;height:34px;border-radius:50%;background:var(--paper);border:1px solid var(--line);box-shadow:0 3px 12px #1a303a10;display:grid;place-items:center}
.compass span{font-weight:700;font-size:11px;color:var(--warn);display:block;transform-origin:50% 50%}
.compass span::after{content:'';display:block;width:2px;height:8px;background:var(--warn);margin:0 auto}
.lab.city{background:#ffffffd8;font-size:10.5px;color:#41545a;padding:2px 6px;box-shadow:none}.lab.city.place{font-weight:650;color:var(--ink);border-color:#c8d2d4}
.lab.city.place.anchor,.lab.anchor{pointer-events:auto;cursor:pointer;background:var(--deep);color:#fff!important;border-color:var(--deep);font-weight:650;font-size:11.5px;padding:4px 9px}
.nav-mode.basemap{top:56px}
.opt-legend{margin:2px 0 6px 22px;display:grid;gap:4px;font-size:11px}.opt-legend .sw{display:flex;flex-wrap:wrap;gap:4px 10px}.opt-legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:4px;vertical-align:-1px}.opt-legend small{color:var(--muted,#5b6b70)}
.nav-mode.optbtn{top:96px}.nav-mode.optbtn button{font-weight:600}
.tools{top:140px}
.nav-mode.optbtn button.on{background:#d9442e;color:#fff}
.linkbtn{font-size:10.5px;text-decoration:underline;padding:0;background:none}
.op-head{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}.op-head h2{margin:2px 0 6px;font-size:19px}.op-head .x{font-size:18px;line-height:1;min-width:36px;min-height:36px;border-radius:8px}
.op-status{font-size:11px;line-height:1.4;background:#eef4f1;border-left:3px solid var(--deep);padding:7px 9px;border-radius:6px;margin:0 0 10px;color:#2e3d42}
.op-seg{display:flex;gap:3px;background:#e4ece6;border-radius:8px;padding:3px;margin:4px 0 8px}.op-seg button{flex:1;font-size:12px;min-height:34px;padding:4px;border-radius:6px;color:#67807a}.op-seg .on{background:#fff;color:#1a4845;box-shadow:0 1px 3px #163c4214}.op-seg.sm{margin:0;flex:0 0 auto}.op-seg.sm button{min-width:44px}
.op-seg button:focus-visible,.op-top button:focus-visible,#optpanel .ghost:focus-visible,#optpanel .x:focus-visible{outline:2px solid #0b6f86;outline-offset:2px}
.op-res{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px;margin:8px 0}
.op-hero{display:flex;align-items:center;gap:10px;margin-bottom:8px}.op-hero .big{font-size:38px;font-weight:800;letter-spacing:-.02em;color:#7a0f2a;line-height:1}.op-hero span:last-child{font-size:12px;color:#40525a}.op-hero small{font-size:10.5px}
.op-kpis{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:6px}.op-kpis div{background:#f4f6f2;border:1px solid var(--line);border-radius:8px;padding:6px 8px}.op-kpis b{display:block;font-size:15px}.op-kpis span{font-size:10.5px;color:#4a5a60}
.op-states{display:flex;flex-wrap:wrap;gap:3px 10px;font-size:11px;color:#40525a;margin-bottom:8px}.op-states .uk{color:#3f5a73}
.op-legend{display:flex;flex-wrap:wrap;gap:4px 10px;font-size:11px;margin-bottom:8px}.op-legend i{display:inline-block;width:12px;height:12px;border-radius:2px;margin-right:4px;vertical-align:-2px;border:1px solid #0003}.op-legend i.uk{background:repeating-linear-gradient(135deg,#4f6b85 0 2px,#fff 2px 5px)}.op-legend i.ov{border:1.5px dashed #9c1d2e;background:none}.op-legend i.wire{border:1.5px dashed #0b6f86;background:none}
.row2{display:flex;gap:6px;align-items:center;margin:6px 0}.row2>.ghost{flex:1;min-height:36px}
.op-top{list-style:none;margin:4px 0 0;padding:0;display:grid;gap:3px}.op-top button{display:flex;align-items:center;gap:8px;width:100%;text-align:left;padding:6px 8px;min-height:40px;border-radius:7px;border:1px solid var(--line);background:#fff;font-size:12px}.op-top button.on{border-color:#0a5f73;box-shadow:inset 0 0 0 1px #0a5f73;background:#eef6f8}.op-top .n{font-weight:700;color:#5b6b70;width:16px}.op-top .t{flex:1;min-width:0}.op-top .t small{display:block;color:#5b6b70;font-size:10.5px}.op-top b{white-space:nowrap}.op-top .empty{font-size:12px;color:#5b6b70}
#op-filter{width:100%;padding:6px;border:1px solid var(--line);border-radius:7px;font-size:12px;background:#fff;margin:6px 0}
.op-more{border-top:1px solid var(--line);margin-top:10px;padding-top:8px}.op-more summary{cursor:pointer;font-size:12px;font-weight:700;min-height:28px;display:flex;align-items:center}
.op-sec{width:100%;max-width:340px;display:block;height:auto;margin:4px 0 2px;background:#fafbf9;border:1px solid var(--line);border-radius:8px}
.op-detail{border:2px solid #0a5f73;border-radius:10px;padding:10px;margin:10px 0;background:#fff}.op-dhead{display:flex;justify-content:space-between;gap:6px}.op-dhead h3{margin:2px 0;font-size:15px}.op-dhead small{color:#5b6b70;font-size:10.5px}.op-detail dl{font-size:11.5px;margin:6px 0}.op-detail dt{font-weight:700;margin-top:4px}.op-detail dd{margin:0}
.op-st{font-size:12px;font-weight:600;margin:6px 0}.op-st.st-ruimte{color:#7a0f2a}.op-st.st-onbekend{color:#3f5a73}.op-st.st-boven{color:#9c1d2e}
.op-tip{position:absolute;z-index:8;pointer-events:none;background:#14262dee;color:#fff;font-size:12px;padding:6px 9px;border-radius:7px;max-width:260px;line-height:1.35}.op-tip small{opacity:.75}
.op-labels{position:absolute;inset:0;pointer-events:none;z-index:1}.op-labels span{position:absolute;transform:translate(-50%,-100%);background:#fff;border:1px solid #24170f;color:#24170f;font:700 11px/1 system-ui;padding:3px 5px;border-radius:5px}.op-labels span.sel{background:#0a5f73;color:#fff;border-color:#0a5f73}
.stage-note{position:absolute;left:50%;bottom:64px;transform:translateX(-50%);z-index:6;background:#14262d;color:#fff;font-size:12px;padding:7px 12px;border-radius:8px;max-width:90%}
#optpanel{right:12px;width:320px;display:none}
body.opt-on #optpanel{display:block}body.opt-on #right{display:none}
#optpanel.min .op-body,#optpanel.min .op-status{display:none}#optpanel.min{bottom:auto}
@media (max-width:1000px){
 .hdr-title,.foot{display:none}.concept-badge{font-size:10px;padding:5px 8px}header{gap:10px;padding:0 12px}.brand>span:last-child{display:none}nav{margin-left:0}
 .mode-rail{display:none}
 .tabs{display:flex;position:absolute;left:12px;top:12px;width:280px;z-index:6;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:3px;gap:3px}.tabs button{flex:1;padding:6px;border-radius:7px;font-size:12px;font-weight:600}.tabs .on{background:var(--deep);color:#fff}.tabs #collapse{flex:0 0 32px}
 .pane{top:54px;left:12px!important;right:auto;width:280px!important}
 body:not(.tab-corridor) #right{display:none}body.tab-corridor #left{display:none}#section-panel{top:12px;left:auto!important;right:12px;bottom:auto;width:min(280px,calc(100% - 60px))}
 body.collapsed .pane{display:none}body.collapsed .tabs{width:auto}body.collapsed .tabs [role=tab]{display:none}
 .stage-top{display:none}
 #optpanel{left:8px!important;right:8px!important;top:auto;bottom:8px;max-height:48vh;width:auto!important;border-radius:14px 14px 10px 10px}#optpanel .op-head{position:sticky;top:-16px;background:var(--paper);z-index:2;padding-top:4px}
}
@media (max-width:640px){.concept-badge{display:none}}
@media (max-width:600px){#optpanel{max-height:56vh;padding:12px}.op-hero .big{font-size:30px}.op-status{font-size:10.5px}}
.nav-mode .sep{width:1px;background:var(--line);margin:3px 4px}