/* Layout: werkbank. Plattegrond links, 3D-model midden, eigenschappen als smalle kolom rechts; op telefoon onder elkaar. */
:root{
  --paper:#ECEFEB; --panel:#FAFBF9; --panel-2:#F2F4F1; --ink:#1B211D; --muted:#626C66; --line:#D3D9D2;
  --accent:#2A54CF; --accent-ink:#FFFFFF; --accent-soft:rgba(42,84,207,.12);
  --wall:#252B27; --grid-minor:rgba(27,33,29,.055); --grid-major:rgba(27,33,29,.13);
  --danger:#B42318; --sky:#E3E8E5; --wall3d:#F3F1EC; --ground3d:#CDD3CC; --grid3d:#B9C0B8; --edge3d:#5E655F;
  --f-ui:'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --f-cond:'IBM Plex Sans Condensed', 'Arial Narrow', system-ui, sans-serif;
  --f-mono:'IBM Plex Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;
  --r:7px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#141816; --panel:#1B201D; --panel-2:#222824; --ink:#E5EAE6; --muted:#97A29B; --line:#2E3531;
    --accent:#7F9CFF; --accent-ink:#0E1430; --accent-soft:rgba(127,156,255,.16);
    --wall:#DCE2DD; --grid-minor:rgba(229,234,230,.05); --grid-major:rgba(229,234,230,.12);
    --danger:#FF7A6B; --sky:#1C2220; --wall3d:#E4E2DC; --ground3d:#2A302C; --grid3d:#3A423D; --edge3d:#4A514C;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#141816; --panel:#1B201D; --panel-2:#222824; --ink:#E5EAE6; --muted:#97A29B; --line:#2E3531;
  --accent:#7F9CFF; --accent-ink:#0E1430; --accent-soft:rgba(127,156,255,.16);
  --wall:#DCE2DD; --grid-minor:rgba(229,234,230,.05); --grid-major:rgba(229,234,230,.12);
  --danger:#FF7A6B; --sky:#1C2220; --wall3d:#E4E2DC; --ground3d:#2A302C; --grid3d:#3A423D; --edge3d:#4A514C;
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%;margin:0}
body{background:var(--paper);color:var(--ink);font-family:var(--f-ui);font-size:14px;line-height:1.45}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.app{height:100%;display:grid;grid-template-rows:auto minmax(0,1fr);gap:10px;padding-inline:16px;padding-block:10px 16px}

/* Topbalk */
.top{display:flex;align-items:center;gap:10px 16px;flex-wrap:wrap;min-width:0}
.brand{display:flex;align-items:baseline;gap:10px;min-width:0}
.brand h1{font-family:var(--f-cond);font-weight:600;font-size:19px;letter-spacing:.01em;margin:0;white-space:nowrap}
.brand h1 span{color:var(--accent)}
.pill{font-family:var(--f-mono);font-size:11px;padding:2px 8px;border-radius:999px;border:1px solid var(--line);color:var(--muted);white-space:nowrap}
.pill.sample{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-left:auto;min-width:0}
.seg{display:inline-flex;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:2px;gap:2px;max-width:100%;overflow-x:auto}
.seg button{display:inline-flex;align-items:center;gap:6px;border:0;background:transparent;padding:5px 9px;border-radius:5px;cursor:pointer;white-space:nowrap;font-size:13px}
.seg button:hover{background:var(--panel-2)}
.seg button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}
.seg button[aria-pressed="true"] kbd{color:inherit;border-color:currentColor;opacity:.75}
.seg button:disabled{opacity:.4;cursor:default}
kbd{font-family:var(--f-mono);font-size:10px;border:1px solid var(--line);border-radius:3px;padding:0 4px;color:var(--muted);line-height:15px}
svg.i{width:16px;height:16px;flex:none;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* Werkvlak */
.work{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr) 300px;gap:10px;min-height:0}
.pane{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);display:flex;flex-direction:column;min-height:0;min-width:0;overflow:hidden}
.pane-head{display:flex;align-items:center;gap:8px;padding:6px 8px 6px 12px;border-bottom:1px solid var(--line);min-height:42px;flex-wrap:wrap}
.pane-head h2{font-family:var(--f-cond);font-weight:600;font-size:13px;letter-spacing:.06em;text-transform:uppercase;margin:0;color:var(--muted)}
.pane-head .sp{flex:1}
.readout{font-family:var(--f-mono);font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--panel);padding:4px 10px;border-radius:6px;cursor:pointer;font-size:13px;white-space:nowrap}
.btn:hover{background:var(--panel-2)}
.btn[aria-pressed="true"]{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.danger{color:var(--danger)}
.btn.danger.solid{background:var(--danger);border-color:var(--danger);color:var(--panel)}
.stage{position:relative;flex:1;min-height:0;background:var(--paper)}
.stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}
#c2d{cursor:crosshair}
.stage .float{position:absolute;left:10px;bottom:10px;font-family:var(--f-mono);font-size:11px;color:var(--muted);background:var(--panel);border:1px solid var(--line);border-radius:5px;padding:3px 8px;pointer-events:none;max-width:calc(100% - 20px)}
.scalebar{display:flex;align-items:center;gap:6px}
.scalebar i{display:block;height:6px;border:1.5px solid var(--muted);border-top:0}

/* Rondlopen */
.walk-ui{position:absolute;right:10px;bottom:10px;display:grid;grid-template-columns:repeat(3,38px);grid-template-rows:repeat(2,38px);gap:4px}
.walk-ui button{border:1px solid var(--line);background:var(--panel);border-radius:6px;cursor:pointer;font-size:15px;touch-action:none;user-select:none}
.walk-ui button:active{background:var(--accent-soft)}
.walk-ui .up{grid-column:2}
.walk-hint{position:absolute;left:10px;top:10px;font-size:12px;background:var(--panel);border:1px solid var(--line);border-radius:5px;padding:4px 9px;color:var(--muted);max-width:calc(100% - 20px)}

/* Eigenschappen */
#inspector{overflow:auto;padding:14px;display:flex;flex-direction:column;gap:18px}
#inspector section{display:flex;flex-direction:column;gap:10px}
#inspector h3{font-family:var(--f-cond);font-weight:600;font-size:12px;letter-spacing:.07em;text-transform:uppercase;margin:0;color:var(--muted)}
#inspector p{margin:0;color:var(--muted);font-size:13px;max-width:62ch}
.hint{background:var(--panel-2);border-radius:6px;padding:10px 12px;gap:4px!important}
.hint h3{color:var(--ink)!important}
.field{display:grid;grid-template-columns:minmax(0,1fr) 110px;align-items:center;gap:8px}
.field label{font-size:13px}
.field .unit{position:relative}
.field input[type=number],.field input[type=text]{width:100%;padding:5px 30px 5px 8px;border:1px solid var(--line);border-radius:5px;background:var(--panel);font-family:var(--f-mono);font-size:13px;font-variant-numeric:tabular-nums}
.field input[type=text]{padding-right:8px;font-family:var(--f-ui)}
.field.wide{grid-template-columns:minmax(0,1fr)}
.field .unit::after{content:attr(data-u);position:absolute;right:8px;top:50%;transform:translateY(-50%);font-family:var(--f-mono);font-size:11px;color:var(--muted);pointer-events:none}
.row{display:flex;gap:6px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.stat{border:1px solid var(--line);border-radius:6px;padding:8px 10px}
.stat b{display:block;font-family:var(--f-mono);font-weight:500;font-size:17px;font-variant-numeric:tabular-nums}
.stat span{font-size:12px;color:var(--muted)}
.rooms{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.rooms li+li{border-top:1px solid var(--line)}
.rooms button{width:100%;display:flex;align-items:center;gap:8px;border:0;background:transparent;padding:7px 10px;cursor:pointer;text-align:left}
.rooms button:hover{background:var(--panel-2)}
.rooms .sw{width:12px;height:12px;border-radius:3px;flex:none;border:1px solid rgba(0,0,0,.15)}
.rooms .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rooms .ar{font-family:var(--f-mono);font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.swatches{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}
.swatches button{display:flex;flex-direction:column;align-items:stretch;gap:4px;border:1px solid var(--line);background:var(--panel);border-radius:6px;padding:5px;cursor:pointer;font-size:12px}
.swatches button i{display:block;height:22px;border-radius:3px}
.swatches button[aria-pressed="true"]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.kv{display:flex;justify-content:space-between;gap:8px;font-size:13px}
.kv span:last-child{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.confirm{border:1px solid var(--danger);border-radius:6px;padding:10px;display:flex;flex-direction:column;gap:8px}
input[type=range]{width:100%;accent-color:var(--accent)}
input[type=file]{font-size:12px;max-width:100%}
.tag{font-family:var(--f-mono);font-size:11px;color:var(--accent)}

/* Modaal */
.modal{position:fixed;inset:0;background:rgba(10,14,12,.45);display:grid;place-items:center;padding:16px;z-index:10}
.modal .box{background:var(--panel);border:1px solid var(--line);border-radius:10px;width:min(560px,100%);padding:16px;display:flex;flex-direction:column;gap:10px;max-height:calc(100% - 32px)}
.modal h3{margin:0;font-family:var(--f-cond);font-size:16px}
.modal p{margin:0;color:var(--muted);font-size:13px}
.modal textarea{width:100%;min-height:220px;resize:vertical;font-family:var(--f-mono);font-size:12px;border:1px solid var(--line);border-radius:6px;padding:8px;background:var(--panel-2)}

@media (max-width:1100px){
  .work{grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-template-rows:minmax(0,1fr) minmax(0,38%)}
  .inspector-pane{grid-column:1/-1}
}
@media (max-width:720px){
  html,body{height:auto}
  .app{height:auto}
  .toolbar{margin-left:0}
  .work{grid-template-columns:minmax(0,1fr);grid-template-rows:none}
  .p2d .stage{flex:none;height:60vh}
  .p3d .stage{flex:none;height:50vh}
  .inspector-pane{grid-column:auto}
  #inspector{overflow:visible}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* Bekijken vs bewerken */
.view-only .edit-only{display:none!important}
.view-only .swatches{pointer-events:none}
a.btn{text-decoration:none;color:inherit}
a.btn.primary{color:var(--accent-ink)}
.pill.bad{border-color:var(--danger);color:var(--danger)}
.hint.warn{box-shadow:inset 3px 0 0 var(--danger)}
.warn-text{color:var(--danger)!important;font-weight:500}

/* Meubelcatalogus */
details.cat{border:1px solid var(--line);border-radius:6px;overflow:hidden}
details.cat summary{cursor:pointer;padding:7px 10px;font-size:13px;font-weight:500;list-style:none;display:flex;justify-content:space-between;align-items:center}
details.cat summary::-webkit-details-marker{display:none}
details.cat summary::after{content:'+';color:var(--muted);font-family:var(--f-mono)}
details.cat[open] summary::after{content:'–'}
details.cat[open] summary{border-bottom:1px solid var(--line)}
.catalog{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;padding:8px}
.catalog button{display:flex;flex-direction:column;align-items:flex-start;gap:1px;border:1px solid var(--line);background:var(--panel);border-radius:5px;padding:6px 8px;cursor:grab;text-align:left;min-width:0}
.catalog button:hover{border-color:var(--accent);background:var(--accent-soft)}
.catalog button b{font-weight:500;font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.catalog button span{font-family:var(--f-mono);font-size:10.5px;color:var(--muted);font-variant-numeric:tabular-nums}
input[type=color]{width:110px;height:30px;border:1px solid var(--line);border-radius:5px;background:var(--panel);padding:2px}

/* Zonnestand */
.sunctl{display:flex;align-items:center;gap:6px;color:var(--muted)}
.sunctl input[type=range]{width:96px}
.sunctl select,.field select{border:1px solid var(--line);border-radius:5px;background:var(--panel);padding:3px 6px;font-size:12.5px}
.field select{width:100%;font-size:13px;padding:5px 6px}