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<!DOCTYPE html>
<html lang="pt-BR">
<head>
<meta charset="utf-8" />
<title>Gerador de Imagens 3D</title>
<style>
  html,body { height:100%; margin:0; background:#222; color:#ddd; font-family:system-ui, Segoe UI, Roboto }
  header { padding:10px 14px; border-bottom:1px solid #444; }
  .wrap {
    display:grid;
    grid-template-columns: 380px 1fr; /* largura da barra lateral ajustada */
    height:calc(100vh - 48px);
  }
  aside { border-right:1px solid #444; padding:12px; overflow:auto; }
  main  { position:relative; }
  #viewport { position:absolute; inset:0; overscroll-behavior: contain; }

  fieldset { border:1px solid #444; border-radius:10px; padding:10px; margin:0 0 12px; }
  legend { padding:0 6px; color:#a6c1ff; font-size:16px; }

  :root{--w-input: 95px; --gap: 8px; --w-bloco: calc(var(--w-input)*3 + var(--gap)*2);}

  .row{display:grid;grid-template-columns: var(--w-input) var(--w-input) var(--w-input); gap:var(--gap); width:var(--w-bloco); justify-content:start;}
  .row2x{display:grid;grid-template-columns: var(--w-input) var(--w-input); gap:var(--gap); width: calc(var(--w-input)*2 + var(--gap)); justify-content:start;}
  .row2{display:grid;grid-template-columns: 1fr 1fr; gap:var(--gap); width:100%; justify-content:start;}
  .row2 button{ width:100%;}

  .grid4{display:grid; grid-template-columns: 1fr 1fr; gap:6px; margin-top:8px;}
  .grid4 label{gap:6px}

  input,button{ background:#ffffff; color:#0c0c0c; border:1px solid #555; border-radius:0px; padding:8px 8px }
  input[type="number"]{ width:100%; min-width:0; }
  button{ cursor:pointer; font-weight:600 }
  label{ display:flex; gap:8px; align-items:center }
  .hint{ font-size:12px; opacity:.8; margin-top:6px }

  /* Ocultar os controles de Ângulo, mantendo o HTML/JS intactos (V19) */
  fieldset div:has(> #latDR_ang),
  fieldset div:has(> #latESQ_ang),
  fieldset div:has(> #top_ang) {
    display: none !important;
  }
</style>
</head>
<body>
<header>Gerador de Imagens 3D</header>

<div class="wrap">
  <aside>

    <!-- Tampo base -->
    <fieldset>
      <legend>Tampo base</legend>
      <div class="row">
        <input id="dimX" type="number" step="0.1" value="40" title="X (largura)">
        <input id="dimY" type="number" step="0.1" value="2"  title="Y (espessura)">
        <input id="dimZ" type="number" step="0.1" value="20" title="Z (profundidade)">
      </div>
      <div class="row2" style="margin-top:8px">
        <!-- <button id="aplicarDim">Aplicar</button> -->
        <button id="resetCamera">Recentrar câmera</button>
      </div>

      <!-- Acabamento por borda -->
      <hr style="border:none;border-top:1px solid #444; margin:10px 0">
      <div style="font-weight:600; margin-bottom:6px;">Acabamento</div>
      <div class="grid4">
        <label><input type="checkbox" id="baseFin_front"> Frente <!--(Z−)--> </label>
        <label><input type="checkbox" id="baseFin_back"> Trás <!--(Z+)--> </label>
        <label><input type="checkbox" id="baseFin_right"> Direita <!--(X+)--> </label>
        <label><input type="checkbox" id="baseFin_left"> Esquerda <!--(X−)--> </label>
      </div>
    </fieldset>

    <!-- Saia (apenas no tampo inferior) -->
    <fieldset>
      <legend>Saia do tampo inferior</legend>

      <!-- Saia frontal -->
      <label><input type="checkbox" id="sf_on"> Saia frontal</label>
      <div class="row2x" style="margin-top:8px;">
        <input id="sf_h" type="number" step="0.1" value="5"   title="Altura (Y)">
        <input id="sf_t" type="number" step="0.1" value="2.0" title="Espessura (Z)">
      </div>
      <!-- <button id="sf_apply" style="margin-top:8px">Aplicar saia frontal</button> -->

      <hr style="border:none;border-top:1px solid #444; margin:10px 0">

      <!-- Saia lateral direita -->
      <label><input type="checkbox" id="sr_on"> Saia lateral direita</label>
      <div class="row2x" style="margin-top:8px;">
        <input id="sr_h" type="number" step="0.1" value="5"   title="Altura (Y)">
        <input id="sr_t" type="number" step="0.1" value="2.0" title="Espessura (X)">
      </div>
      <!-- <button id="sr_apply" style="margin-top:8px">Aplicar saia direita</button> -->

      <hr style="border:none;border-top:1px solid #444; margin:10px 0">

      <!-- Saia lateral esquerda -->
      <label><input type="checkbox" id="sl_on"> Saia lateral esquerda</label>
      <div class="row2x" style="margin-top:8px;">
        <input id="sl_h" type="number" step="0.1" value="5"   title="Altura (Y)">
        <input id="sl_t" type="number" step="0.1" value="2.0" title="Espessura (X)">
      </div>
      <!-- <button id="sl_apply" style="margin-top:8px">Aplicar saia esquerda</button> -->

      <hr style="border:none;border-top:1px solid #444; margin:10px 0">

      <!-- Saia traseira -->
      <label><input type="checkbox" id="sb_on"> Saia traseira</label>
      <div class="row2x" style="margin-top:8px;">
        <input id="sb_h" type="number" step="0.1"  value="5"   title="Altura (Y)">
        <input id="sb_t" type="number" step="0.1" value="2.0" title="Espessura (Z)">
      </div>
      <!-- <button id="sb_apply" style="margin-top:8px">Aplicar saia traseira</button> -->

      <hr style="border:none;border-top:1px solid #444; margin:10px 0">

      <!-- NOVO: acabamento de fundo para todas as saias -->
      <label><input type="checkbox" id="skirtBottom_all"> Acabamento Fundo (todas as saias)</label>
    </fieldset>

    <!-- Frontões -->
    <fieldset>
      <legend>Frontões</legend>

      <!-- Frontão frontal -->
      <label><input type="checkbox" id="ff_on"> Frontão frontal</label>
      <div class="row2x" style="margin-top:8px;">
        <input id="ff_h" type="number" step="0.1" value="10"  title="Altura (Y)">
        <input id="ff_t" type="number" step="0.1" value="2.0" title="Espessura (Z)">
      </div>
      <!-- <button id="ff_apply" style="margin-top:8px">Aplicar frontão frontal</button> -->

      <hr style="border:none;border-top:1px solid #444; margin:10px 0">

      <!-- Frontão traseiro -->
      <label><input type="checkbox" id="ft_on"> Frontão traseiro</label>
      <div class="row2x" style="margin-top:8px;">
        <input id="ft_h" type="number" step="0.1" value="10"  title="Altura (Y)">
        <input id="ft_t" type="number" step="0.1" value="2.0" title="Espessura (Z)">
      </div>
      <!-- <button id="ft_apply" style="margin-top:8px">Aplicar frontão traseiro</button> -->

      <hr style="border:none;border-top:1px solid #444; margin:10px 0">

      <!-- Frontão lateral direito -->
      <label><input type="checkbox" id="ftR_on"> Frontão lateral direito</label>
      <div class="row2x" style="margin-top:8px;">
        <input id="ftR_h" type="number" step="0.1" value="10"  title="Altura (Y)">
        <input id="ftR_t" type="number" step="0.1" value="2.0" title="Espessura (X)">
      </div>
      <!-- <button id="ftR_apply" style="margin-top:8px">Aplicar frontão direito</button> -->

      <hr style="border:none;border-top:1px solid #444; margin:10px 0">

      <!-- Frontão lateral esquerdo -->
      <label><input type="checkbox" id="ftL_on"> Frontão lateral esquerdo</label>
      <div class="row2x" style="margin-top:8px;">
        <input id="ftL_h" type="number" step="0.1" value="10"  title="Altura (Y)">
        <input id="ftL_t" type="number" step="0.1" value="2.0" title="Espessura (X)">
      </div>
      <!-- <button id="ftL_apply" style="margin-top:8px">Aplicar frontão esquerdo</button> -->

      <hr style="border:none;border-top:1px solid #444; margin:10px 0">

      <!-- Acabamento topo para TODOS os frontões -->
      <label><input type="checkbox" id="ftop_all"> Acabamento Topo (todos os frontões)</label>
    </fieldset>

    <!-- Lateral direita -->
    <fieldset>
      <legend>Lateral direita </legend>
      <label><input type="checkbox" id="latDR_on"> Incluir direita</label>
      <div class="row" style="margin-top:8px;">
        <input id="latDR_x" type="number" step="0.1" value="1.5" title="Espessura X">
        <input id="latDR_y" type="number" step="0.1" value="30"  title="Altura Y">
        <input id="latDR_z" type="number" step="0.1" value="20"  title="Profundidade Z">
      </div>
      <div style="display:flex;align-items:center;gap:8px;margin-top:8px;">
        <label>Ângulo (0–180°)</label>
        <input id="latDR_ang" type="number" min="0" max="180" step="1" value="90" style="width:100px">
      </div>
      <!-- <button id="latDR_apply" style="margin-top:8px">Aplicar direita</button> -->
    </fieldset>

    <!-- Lateral esquerda -->
    <fieldset>
      <legend>Lateral esquerda </legend>
      <label><input type="checkbox" id="latESQ_on"> Incluir esquerda</label>
      <div class="row" style="margin-top:8px;">
        <input id="latESQ_x" type="number" step="0.1" value="1.5" title="Espessura X">
        <input id="latESQ_y" type="number" step="0.1" value="30"  title="Altura Y">
        <input id="latESQ_z" type="number" step="0.1" value="20"  title="Profundidade Z">
      </div>
      <div style="display:flex;align-items:center;gap:8px;margin-top:8px;">
        <label>Ângulo (0–180°)</label>
        <input id="latESQ_ang" type="number" min="0" max="180" step="1" value="90" style="width:100px">
      </div>
      <!-- <button id="latESQ_apply" style="margin-top:8px">Aplicar esquerda</button> -->
    </fieldset>

    <!-- Tampo superior -->
    <fieldset>
      <legend>Tampo superior </legend>
      <label><input type="checkbox" id="top_on"> Incluir tampo superior</label>
      <div class="row" style="margin-top:8px;">
        <input id="top_x" type="number" step="0.1" value="40" title="Largura X (ignorada; usamos X do tampo)">
        <input id="top_y" type="number" step="0.1" value="1.5" title="Espessura Y">
        <input id="top_z" type="number" step="0.1" value="20" title="Profundidade Z">
      </div>
      <div style="display:flex;align-items:center;gap:8px;margin-top:8px;">
        <label>Abertura (0–120°)</label>
        <input id="top_ang" type="number" min="0" max="120" step="1" value="0" style="width:100px">
      </div>
      <!-- <button id="top_apply" style="margin-top:8px">Aplicar tampo</button> -->
    </fieldset>

  </aside>

  <main><div id="viewport"></div></main>
</div>

<script src="https://unpkg.com/three@0.160.0/build/three.min.js"></script>
<script>
/* ====== helpers ====== */
function debounce(fn, ms=120){
  let t; return (...args)=>{ clearTimeout(t); t=setTimeout(()=>fn(...args), ms); };
}

/* ====== CENA ====== */
const vpEl = document.getElementById('viewport');
const renderer = new THREE.WebGLRenderer({ antialias:true, preserveDrawingBuffer:true });
vpEl.appendChild(renderer.domElement);
// Zoom isolado no viewport
vpEl.addEventListener('wheel', (e) => {
  e.preventDefault(); e.stopPropagation();
  radius *= (e.deltaY < 0 ? 0.9 : 1.1);
  updateCamera(); render();
}, { passive: false });

const scene = new THREE.Scene(); scene.background = new THREE.Color(0x222222);
const camera = new THREE.PerspectiveCamera(45, 1, 0.1, 5000);
scene.add(new THREE.HemisphereLight(0xffffff, 0xffffff, 1.2));
const dir = new THREE.DirectionalLight(0xffffff, 0.85); dir.position.set(30,50,30); scene.add(dir);
const root = new THREE.Group(); scene.add(root);

let baseMesh, rightPivot, rightMesh, leftPivot, leftMesh, topPivot, topMesh;

/* Saia */
let skirtFront, skirtRight, skirtLeft, skirtBack;

/* Frontões */
let backsplashFront, backsplash, backsplashRight, backsplashLeft;

/* ====== BASE ====== */
function makeBase(x=40,y=2,z=20){
  if (baseMesh) {
    root.remove(baseMesh);
    baseMesh.geometry.dispose();
    Array.isArray(baseMesh.material) ? baseMesh.material.forEach(m=>m.dispose&&m.dispose()) : baseMesh.material.dispose&&baseMesh.material.dispose();
    baseMesh=null;
  }

  const g = new THREE.BoxGeometry(x,y,z);

  // Materiais: topo/fundo polidos brancos; acabamento (borda) ROSA-bebê
  const matTop  = new THREE.MeshStandardMaterial({ color:0xffffff, roughness:0.30 });
  const matSide = new THREE.MeshStandardMaterial({ color:new THREE.Color('#FFC0CB'), roughness:0.60 });

  // BORDAS LIGADAS? (sem master switch)
  const finFront = !!document.getElementById('baseFin_front')?.checked; // Z− (índice 5)
  const finBack  = !!document.getElementById('baseFin_back') ?.checked; // Z+ (índice 4)
  const finRight = !!document.getElementById('baseFin_right')?.checked; // X+ (índice 0)
  const finLeft  = !!document.getElementById('baseFin_left') ?.checked; // X− (índice 1)

  // Ordem em BoxGeometry: [ +X, -X, +Y, -Y, +Z, -Z ]
  const materials = [
    finRight ? matSide : matTop, // +X
    finLeft  ? matSide : matTop, // -X
    matTop,                      // +Y
    matTop,                      // -Y
    finBack  ? matSide : matTop, // +Z
    finFront ? matSide : matTop, // -Z
  ];

  baseMesh = new THREE.Mesh(g, materials);
  root.add(baseMesh);
  render();
}
makeBase();

/* ====== CÂMERA / ORBIT ====== */
const target = new THREE.Vector3(0,0,0);
let radius=120, theta=THREE.MathUtils.degToRad(45), phi=THREE.MathUtils.degToRad(35);
function updateCamera(){
  const x = target.x + radius * Math.sin(phi) * Math.cos(theta);
  const y = target.y + radius * Math.cos(phi);
  const z = target.z + radius * Math.sin(phi) * Math.sin(theta);
  camera.position.set(x,y,z); camera.lookAt(target);
}

/* === ENQUADRAMENTO AUTOMÁTICO (FOV horizontal) === */
function fitCameraToScene(margin = 2.0) {
  root.updateWorldMatrix(true, true);
  const box = new THREE.Box3().setFromObject(root);
  if (box.isEmpty()) { updateCamera(); render(); return; }
  const size   = box.getSize(new THREE.Vector3());
  const center = box.getCenter(new THREE.Vector3());
  target.copy(center);
  const vFov = camera.fov * Math.PI / 180;
  const hFov = 2 * Math.atan(Math.tan(vFov / 2) * camera.aspect);
  const distH = (size.y * 0.5) / Math.tan(vFov / 2);
  const distW = (size.x * 0.5) / Math.tan(hFov / 2);
  const distZ = (size.z * 0.5) / Math.tan(vFov / 2);
  radius = Math.max(distH, distW, distZ) * margin;
  updateCamera(); render();
}
function focusCamera(){ fitCameraToScene(1.8); }
updateCamera();

/* ====== CONTROLE DO MOUSE ====== */
let dragging=false, lx=0, ly=0;
addEventListener('pointerdown',e=>{dragging=true; lx=e.clientX; ly=e.clientY;});
addEventListener('pointermove',e=>{
  if(!dragging) return;
  const dx=e.clientX-lx, dy=e.clientY-ly; lx=e.clientX; ly=e.clientY;
  theta -= dx*0.005; phi -= dy*0.005;
  phi = Math.max(THREE.MathUtils.degToRad(5), Math.min(THREE.MathUtils.degToRad(175), phi));
  updateCamera(); render();
});
addEventListener('pointerup',()=>dragging=false);

/* ====== RESIZE ====== */
function onResize(){
  const w = document.getElementById('viewport').clientWidth  || (innerWidth-460);
  const h = document.getElementById('viewport').clientHeight || (innerHeight-48);
  renderer.setSize(w,h,false);
  camera.aspect = w/h;
  camera.updateProjectionMatrix();
  fitCameraToScene(1.8);
}
addEventListener('resize', onResize);
onResize();

function render(){ renderer.render(scene,camera); }

/* ====== REAPLICAÇÃO GERAL ====== */
function reapplyAll(){
  const x=+dimX.value||40, y=+dimY.value||2, z=+dimZ.value||20;
  makeBase(x,y,z);

  if (sf_on.checked) applySkirtFront(); else if (skirtFront){ root.remove(skirtFront); skirtFront=null; }
  if (sr_on.checked) applySkirtRight(); else if (skirtRight){ root.remove(skirtRight); skirtRight=null; }
  if (sl_on.checked) applySkirtLeft();  else if (skirtLeft){ root.remove(skirtLeft); skirtLeft=null; }
  if (sb_on.checked) applySkirtBack();  else if (skirtBack){ root.remove(skirtBack); skirtBack=null; }

  if (ff_on.checked)  applyBacksplashFront(); else if (backsplashFront){ root.remove(backsplashFront); backsplashFront=null; }
  if (ft_on.checked)  applyBacksplash();      else if (backsplash){ root.remove(backsplash); backsplash=null; }
  if (ftR_on.checked) applyBacksplashRight(); else if (backsplashRight){ root.remove(backsplashRight); backsplashRight=null; }
  if (ftL_on.checked) applyBacksplashLeft();  else if (backsplashLeft){ root.remove(backsplashLeft); backsplashLeft=null; }

  if (latDR_on.checked) applyRight(); else if (rightPivot){ root.remove(rightPivot); rightPivot=null; rightMesh=null; }
  if (latESQ_on.checked) applyLeft(); else if (leftPivot){ root.remove(leftPivot); leftPivot=null; leftMesh=null; }

  if (top_on.checked) applyTop(); else if (topPivot){ root.remove(topPivot); topPivot=null; topMesh=null; }

  fitCameraToScene(1.8);
}
const reapplyAllDebounced = debounce(reapplyAll, 120);

/* ====== UI ====== */
document.getElementById('aplicarDim')?.addEventListener('click', reapplyAll);
document.getElementById('resetCamera')?.addEventListener('click', ()=>fitCameraToScene(1.8));

/* ====== AUTO-APPLY: base e acabamento ====== */
['dimX','dimY','dimZ'].forEach(id=>{
  document.getElementById(id).addEventListener('input', reapplyAllDebounced);
});
['baseFin_front','baseFin_back','baseFin_right','baseFin_left'].forEach(id=>{
  document.getElementById(id)?.addEventListener('change', reapplyAllDebounced);
});

/* ====== NOVO: listener para acabamento de fundo das saias ====== */
document.getElementById('skirtBottom_all').addEventListener('change', reapplyAllDebounced);

/* ====== SAIA — FRONTAL ====== */
document.getElementById('sf_on').addEventListener('change', reapplyAllDebounced);
['sf_h','sf_t'].forEach(id=>document.getElementById(id).addEventListener('input', ()=>{ if(sf_on.checked) applySkirtFront(); }));
function applySkirtFront(){
  const bx=+dimX.value||40, by=+dimY.value||2, bz=+dimZ.value||20;
  const h = Math.max(0.1, +sf_h.value || 5);
  const t = Math.max(0.1, +sf_t.value || 2.0);

  if(!sf_on.checked){
    if(skirtFront){ root.remove(skirtFront); skirtFront=null; render(); fitCameraToScene(1.8); }
    return;
  }

  const geo = new THREE.BoxGeometry(bx, h, t);
  const pink  = new THREE.Color('#FFC0CB');
  const white = 0xffffff;
  const finFront = document.getElementById('baseFin_front')?.checked;
  const finRight = document.getElementById('baseFin_right')?.checked;
  const finLeft  = document.getElementById('baseFin_left') ?.checked;
  const finBottom= document.getElementById('skirtBottom_all')?.checked; // −Y

  // Ordem: [ +X, -X, +Y, -Y, +Z, -Z ]
  const materials = [
    new THREE.MeshStandardMaterial({color: finRight ? pink : white, roughness: finRight?0.6:0.85}), // +X
    new THREE.MeshStandardMaterial({color: finLeft  ? pink : white, roughness: finLeft ?0.6:0.85}), // -X
    new THREE.MeshStandardMaterial({color:white, roughness:0.85}),                                   // +Y
    new THREE.MeshStandardMaterial({color: finBottom? pink : white, roughness: finBottom?0.6:0.85}), // -Y (Fundo)
    new THREE.MeshStandardMaterial({color:white, roughness:0.85}),                                   // +Z
    new THREE.MeshStandardMaterial({color: finFront ? pink : white, roughness: finFront?0.6:0.85})   // -Z (frontal)
  ];

  if(!skirtFront){ skirtFront = new THREE.Mesh(geo, materials); root.add(skirtFront); }
  else { skirtFront.geometry.dispose(); skirtFront.geometry = geo; skirtFront.material = materials; }

  skirtFront.position.set(0, -by/2 - h/2, -bz/2 + t/2);
  render(); fitCameraToScene(1.8);
}

/* ====== SAIA — DIREITA ====== */
document.getElementById('sr_on').addEventListener('change', reapplyAllDebounced);
['sr_h','sr_t'].forEach(id=>document.getElementById(id).addEventListener('input', ()=>{ if(sr_on.checked) applySkirtRight(); }));
function applySkirtRight(){
  const bx=+dimX.value||40, by=+dimY.value||2, bz=+dimZ.value||20;
  const h = Math.max(0.1, +sr_h.value || 5);
  const t = Math.max(0.1, +sr_t.value || 2.0);

  if(!sr_on.checked){
    if(skirtRight){ root.remove(skirtRight); skirtRight=null; render(); fitCameraToScene(1.8); }
    return;
  }

  const geo = new THREE.BoxGeometry(t, h, bz);
  const pink  = new THREE.Color('#FFC0CB');
  const white = 0xffffff;
  const finRight = document.getElementById('baseFin_right')?.checked;
  const finBottom= document.getElementById('skirtBottom_all')?.checked; // −Y

  const materials = [
    new THREE.MeshStandardMaterial({color: finRight ? pink : white, roughness: finRight?0.6:0.85}), // +X (borda)
    new THREE.MeshStandardMaterial({color:white, roughness:0.85}),                                   // -X
    new THREE.MeshStandardMaterial({color:white, roughness:0.85}),                                   // +Y
    new THREE.MeshStandardMaterial({color: finBottom? pink : white, roughness: finBottom?0.6:0.85}), // -Y (Fundo)
    new THREE.MeshStandardMaterial({color:white, roughness:0.85}),                                   // +Z
    new THREE.MeshStandardMaterial({color:white, roughness:0.85}),                                   // -Z
  ];

  if(!skirtRight){ skirtRight = new THREE.Mesh(geo, materials); root.add(skirtRight); }
  else { skirtRight.geometry.dispose(); skirtRight.geometry = geo; skirtRight.material = materials; }

  skirtRight.position.set(+bx/2 - t/2, -by/2 - h/2, 0);
  render(); fitCameraToScene(1.8);
}

/* ====== SAIA — ESQUERDA ====== */
document.getElementById('sl_on').addEventListener('change', reapplyAllDebounced);
['sl_h','sl_t'].forEach(id=>document.getElementById(id).addEventListener('input', ()=>{ if(sl_on.checked) applySkirtLeft(); }));
function applySkirtLeft(){
  const bx=+dimX.value||40, by=+dimY.value||2, bz=+dimZ.value||20;
  const h = Math.max(0.1, +sl_h.value || 5);
  const t = Math.max(0.1, +sl_t.value || 2.0);

  if(!sl_on.checked){
    if(skirtLeft){ root.remove(skirtLeft); skirtLeft=null; render(); fitCameraToScene(1.8); }
    return;
  }

  const geo = new THREE.BoxGeometry(t, h, bz);
  const pink  = new THREE.Color('#FFC0CB');
  const white = 0xffffff;
  const finLeft = document.getElementById('baseFin_left')?.checked;
  const finBottom= document.getElementById('skirtBottom_all')?.checked; // −Y

  const materials = [
    new THREE.MeshStandardMaterial({color:white, roughness:0.85}),                                   // +X
    new THREE.MeshStandardMaterial({color: finLeft ? pink : white, roughness: finLeft?0.6:0.85}),    // -X (borda)
    new THREE.MeshStandardMaterial({color:white, roughness:0.85}),                                   // +Y
    new THREE.MeshStandardMaterial({color: finBottom? pink : white, roughness: finBottom?0.6:0.85}), // -Y (Fundo)
    new THREE.MeshStandardMaterial({color:white, roughness:0.85}),                                   // +Z
    new THREE.MeshStandardMaterial({color:white, roughness:0.85}),                                   // -Z
  ];

  if(!skirtLeft){ skirtLeft = new THREE.Mesh(geo, materials); root.add(skirtLeft); }
  else { skirtLeft.geometry.dispose(); skirtLeft.geometry = geo; skirtLeft.material = materials; }

  skirtLeft.position.set(-bx/2 + t/2, -by/2 - h/2, 0);
  render(); fitCameraToScene(1.8);
}

/* ====== SAIA — TRASEIRA ====== */
document.getElementById('sb_on').addEventListener('change', reapplyAllDebounced);
['sb_h','sb_t'].forEach(id=>document.getElementById(id).addEventListener('input', ()=>{ if(sb_on.checked) applySkirtBack(); }));
function applySkirtBack(){
  const bx=+dimX.value||40, by=+dimY.value||2, bz=+dimZ.value||20;
  const h = Math.max(0.1, +sb_h.value || 5);
  const t = Math.max(0.1, +sb_t.value || 2.0);

  if(!sb_on.checked){
    if(skirtBack){ root.remove(skirtBack); skirtBack=null; render(); fitCameraToScene(1.8); }
    return;
  }

  const geo = new THREE.BoxGeometry(bx, h, t);
  const pink  = new THREE.Color('#FFC0CB');
  const white = 0xffffff;
  const finBack  = document.getElementById('baseFin_back') ?.checked; // +Z
  const finRight = document.getElementById('baseFin_right')?.checked; // +X
  const finLeft  = document.getElementById('baseFin_left') ?.checked; // -X
  const finBottom= document.getElementById('skirtBottom_all')?.checked; // −Y

  // Ordem: [ +X, -X, +Y, -Y, +Z, -Z ]
  const materials = [
    new THREE.MeshStandardMaterial({color: finRight ? pink : white, roughness: finRight?0.6:0.85}), // +X (direita)
    new THREE.MeshStandardMaterial({color: finLeft  ? pink : white, roughness: finLeft ?0.6:0.85}), // -X (esquerda)
    new THREE.MeshStandardMaterial({color:white, roughness:0.85}),                                   // +Y (topo)
    new THREE.MeshStandardMaterial({color: finBottom? pink : white, roughness: finBottom?0.6:0.85}), // -Y (Fundo)
    new THREE.MeshStandardMaterial({color: finBack ? pink : white, roughness: finBack?0.6:0.85}),    // +Z (traseira)
    new THREE.MeshStandardMaterial({color:white, roughness:0.85}),                                   // -Z
  ];

  if(!skirtBack){ skirtBack = new THREE.Mesh(geo, materials); root.add(skirtBack); }
  else { skirtBack.geometry.dispose(); skirtBack.geometry = geo; skirtBack.material = materials; }

  skirtBack.position.set(0, -by/2 - h/2, +bz/2 - t/2);
  render(); fitCameraToScene(1.8);
}

/* ====== FRONTÕES — LISTENERS ====== */
document.getElementById('ff_on').addEventListener('change', reapplyAllDebounced);
['ff_h','ff_t'].forEach(id=>{
  document.getElementById(id).addEventListener('input', ()=>{ if(ff_on.checked) applyBacksplashFront(); });
});
document.getElementById('ft_on').addEventListener('change', reapplyAllDebounced);
['ft_h','ft_t'].forEach(id=>{
  document.getElementById(id).addEventListener('input', ()=>{ if(ft_on.checked) applyBacksplash(); });
});
document.getElementById('ftR_on').addEventListener('change', reapplyAllDebounced);
['ftR_h','ftR_t'].forEach(id=>{
  document.getElementById(id).addEventListener('input', ()=>{ if(ftR_on.checked) applyBacksplashRight(); });
});
document.getElementById('ftL_on').addEventListener('change', reapplyAllDebounced);
['ftL_h','ftL_t'].forEach(id=>{
  document.getElementById(id).addEventListener('input', ()=>{ if(ftL_on.checked) applyBacksplashLeft(); });
});
/* Checkbox único para acabamento de topo (todos os frontões) */
document.getElementById('ftop_all').addEventListener('change', reapplyAllDebounced);

/* ====== FRONTÕES ====== */
function applyBacksplashFront(){
  const bx=+dimX.value||40, by=+dimY.value||2, bz=+dimZ.value||20;
  const fh = Math.max(0.1, +ff_h.value || 10);
  const ft = Math.max(0.1, +ff_t.value || by);

  if(!ff_on.checked){
    if(backsplashFront){ root.remove(backsplashFront); backsplashFront=null; render(); fitCameraToScene(1.8); }
    return;
  }

  const pink  = new THREE.Color('#FFC0CB');
  const white = 0xffffff;
  const finFront = document.getElementById('baseFin_front')?.checked; // -Z
  const finRight = document.getElementById('baseFin_right')?.checked; // +X
  const finLeft  = document.getElementById('baseFin_left') ?.checked; // -X
  const finTop   = document.getElementById('ftop_all')?.checked;      // +Y (topo)

  const mat = [
    new THREE.MeshStandardMaterial({color: finRight? pink:white, roughness: finRight?0.6:0.85}), // +X
    new THREE.MeshStandardMaterial({color: finLeft ? pink:white, roughness: finLeft ?0.6:0.85}), // -X
    new THREE.MeshStandardMaterial({color: finTop  ? pink:white, roughness: finTop  ?0.6:0.85}), // +Y (topo)
    new THREE.MeshStandardMaterial({color:white, roughness:0.85}),                                // -Y
    new THREE.MeshStandardMaterial({color:white, roughness:0.85}),                                // +Z (verso)
    new THREE.MeshStandardMaterial({color: finFront? pink:white, roughness: finFront?0.6:0.85}),  // -Z (frente)
  ];

  const geo = new THREE.BoxGeometry(bx, fh, ft);
  if(!backsplashFront){ backsplashFront = new THREE.Mesh(geo, mat); root.add(backsplashFront); }
  else { backsplashFront.geometry.dispose(); backsplashFront.geometry = geo; backsplashFront.material = mat; }

  backsplashFront.position.set(0, +by/2 + fh/2, -bz/2 + ft/2);
  render(); fitCameraToScene(1.8);
}

function applyBacksplash(){
  const bx=+dimX.value||40, by=+dimY.value||2, bz=+dimZ.value||20;
  const fh = Math.max(0.1, +ft_h.value || 10);
  const ft = Math.max(0.1, +ft_t.value || by);

  if(!ft_on.checked){
    if(backsplash){ root.remove(backsplash); backsplash=null; render(); fitCameraToScene(1.8); }
    return;
  }

  const pink  = new THREE.Color('#FFC0CB');
  const white = 0xffffff;
  const finBack  = document.getElementById('baseFin_back') ?.checked; // +Z
  const finRight = document.getElementById('baseFin_right')?.checked; // +X
  const finLeft  = document.getElementById('baseFin_left') ?.checked; // -X
  const finTop   = document.getElementById('ftop_all')?.checked;      // +Y (topo)

  const mat = [
    new THREE.MeshStandardMaterial({color: finRight? pink:white, roughness: finRight?0.6:0.85}), // +X
    new THREE.MeshStandardMaterial({color: finLeft ? pink:white, roughness: finLeft ?0.6:0.85}), // -X
    new THREE.MeshStandardMaterial({color: finTop  ? pink:white, roughness: finTop  ?0.6:0.85}), // +Y (topo)
    new THREE.MeshStandardMaterial({color:white, roughness:0.85}),                                // -Y
    new THREE.MeshStandardMaterial({color: finBack? pink:white, roughness: finBack?0.6:0.85}),   // +Z (trás)
    new THREE.MeshStandardMaterial({color:white, roughness:0.85}),                                // -Z
  ];

  const geo = new THREE.BoxGeometry(bx, fh, ft);
  if(!backsplash){ backsplash = new THREE.Mesh(geo, mat); root.add(backsplash); }
  else { backsplash.geometry.dispose(); backsplash.geometry = geo; backsplash.material = mat; }

  backsplash.position.set(0, +by/2 + fh/2, +bz/2 - ft/2);
  render(); fitCameraToScene(1.8);
}

function applyBacksplashRight(){
  const bx=+dimX.value||40, by=+dimY.value||2, bz=+dimZ.value||20;
  const fh = Math.max(0.1, +ftR_h.value || 10);
  const ft = Math.max(0.1, +ftR_t.value || by);

  if(!ftR_on.checked){
    if(backsplashRight){ root.remove(backsplashRight); backsplashRight=null; render(); fitCameraToScene(1.8); }
    return;
  }

  const pink  = new THREE.Color('#FFC0CB');
  const white = 0xffffff;
  const finRight = document.getElementById('baseFin_right')?.checked; // +X
  const finFront = document.getElementById('baseFin_front')?.checked; // -Z
  const finBack  = document.getElementById('baseFin_back') ?.checked; // +Z
  const finTop   = document.getElementById('ftop_all')?.checked;      // +Y (topo)

  const mat = [
    new THREE.MeshStandardMaterial({color: finRight? pink:white, roughness: finRight?0.6:0.85}), // +X (externa)
    new THREE.MeshStandardMaterial({color:white, roughness:0.85}),                                // -X
    new THREE.MeshStandardMaterial({color: finTop  ? pink:white, roughness: finTop  ?0.6:0.85}), // +Y (topo)
    new THREE.MeshStandardMaterial({color:white, roughness:0.85}),                                // -Y
    new THREE.MeshStandardMaterial({color: finBack ? pink:white, roughness: finBack ?0.6:0.85}),  // +Z (trás)
    new THREE.MeshStandardMaterial({color: finFront? pink:white, roughness: finFront?0.6:0.85}),  // -Z (frente)
  ];

  const geo = new THREE.BoxGeometry(ft, fh, bz);
  if(!backsplashRight){ backsplashRight = new THREE.Mesh(geo, mat); root.add(backsplashRight); }
  else { backsplashRight.geometry.dispose(); backsplashRight.geometry = geo; backsplashRight.material = mat; }

  backsplashRight.position.set(+bx/2 - ft/2, +by/2 + fh/2, 0);
  render(); fitCameraToScene(1.8);
}

function applyBacksplashLeft(){
  const bx=+dimX.value||40, by=+dimY.value||2, bz=+dimZ.value||20;
  const fh = Math.max(0.1, +ftL_h.value || 10);
  const ft = Math.max(0.1, +ftL_t.value || by);

  if(!ftL_on.checked){
    if(backsplashLeft){ root.remove(backsplashLeft); backsplashLeft=null; render(); fitCameraToScene(1.8); }
    return;
  }

  const pink  = new THREE.Color('#FFC0CB');
  const white = 0xffffff;
  const finLeft  = document.getElementById('baseFin_left') ?.checked; // -X
  const finFront = document.getElementById('baseFin_front')?.checked; // -Z
  const finBack  = document.getElementById('baseFin_back') ?.checked; // +Z
  const finTop   = document.getElementById('ftop_all')?.checked;      // +Y (topo)

  const mat = [
    new THREE.MeshStandardMaterial({color:white, roughness:0.85}),                                // +X
    new THREE.MeshStandardMaterial({color: finLeft? pink:white, roughness: finLeft?0.6:0.85}),    // -X (externa)
    new THREE.MeshStandardMaterial({color: finTop ? pink:white, roughness: finTop ?0.6:0.85}),    // +Y (topo)
    new THREE.MeshStandardMaterial({color:white, roughness:0.85}),                                // -Y
    new THREE.MeshStandardMaterial({color: finBack ? pink:white, roughness: finBack ?0.6:0.85}),  // +Z (trás)
    new THREE.MeshStandardMaterial({color: finFront? pink:white, roughness: finFront?0.6:0.85}),  // -Z (frente)
  ];

  const geo = new THREE.BoxGeometry(ft, fh, bz);
  if(!backsplashLeft){ backsplashLeft = new THREE.Mesh(geo, mat); root.add(backsplashLeft); }
  else { backsplashLeft.geometry.dispose(); backsplashLeft.geometry = geo; backsplashLeft.material = mat; }

  backsplashLeft.position.set(-bx/2 + ft/2, +by/2 + fh/2, 0);
  render(); fitCameraToScene(1.8);
}

/* ====== LATERAIS E TAMPO SUPERIOR (inalterados) ====== */
document.getElementById('latDR_on').addEventListener('change', reapplyAllDebounced);
['latDR_x','latDR_y','latDR_z','latDR_ang'].forEach(id=>{
  document.getElementById(id).addEventListener('input', ()=>{ if(latDR_on.checked) applyRight(); });
});
function applyRight(){
  const bx=+dimX.value||40, by=+dimY.value||2, bz=+dimZ.value||20;
  const sx=Math.max(0.1,+latDR_x.value||1.5);
  const sy=Math.max(0.1,+latDR_y.value||30);
  const sz=Math.max(0.1,+latDR_z.value||bz);
  const ang=Math.max(0,Math.min(180,+latDR_ang.value||90));
  if(!rightPivot){ rightPivot=new THREE.Object3D(); root.add(rightPivot); }
  rightPivot.position.set(+bx/2, -by/2, 0);
  const m=new THREE.MeshStandardMaterial({ color:0xffffff, roughness:0.85 });
  if(!rightMesh){ rightMesh=new THREE.Mesh(new THREE.BoxGeometry(sx,sy,sz),m); rightPivot.add(rightMesh); }
  else { rightMesh.material=m; rightMesh.geometry.dispose(); rightMesh.geometry=new THREE.BoxGeometry(sx,sy,sz); }
  rightMesh.position.set(-sx/2, +sy/2, 0);
  rightPivot.rotation.set(0,0,THREE.MathUtils.degToRad(90-ang));
  if(!latDR_on.checked){ root.remove(rightPivot); rightPivot=null; rightMesh=null; }
  render(); fitCameraToScene(1.8);
}

document.getElementById('latESQ_on').addEventListener('change', reapplyAllDebounced);
['latESQ_x','latESQ_y','latESQ_z','latESQ_ang'].forEach(id=>{
  document.getElementById(id).addEventListener('input', ()=>{ if(latESQ_on.checked) applyLeft(); });
});
function applyLeft(){
  const bx=+dimX.value||40, by=+dimY.value||2, bz=+dimZ.value||20;
  const sx=Math.max(0.1,+latESQ_x.value||1.5);
  const sy=Math.max(0.1,+latESQ_y.value||30);
  const sz=Math.max(0.1,+latESQ_z.value||bz);
  const ang=Math.max(0,Math.min(180,+latESQ_ang.value||90));
  if(!leftPivot){ leftPivot=new THREE.Object3D(); root.add(leftPivot); }
  leftPivot.position.set(-bx/2, -by/2, 0);
  const m=new THREE.MeshStandardMaterial({ color:0xffffff, roughness:0.85 });
  if(!leftMesh){ leftMesh=new THREE.Mesh(new THREE.BoxGeometry(sx,sy,sz),m); leftPivot.add(leftMesh); }
  else { leftMesh.material=m; leftMesh.geometry.dispose(); leftMesh.geometry=new THREE.BoxGeometry(sx,sy,sz); }
  leftMesh.position.set(+sx/2, +sy/2, 0);
  leftPivot.rotation.set(0,0,THREE.MathUtils.degToRad(-(90-ang)));
  if(!latESQ_on.checked){ root.remove(leftPivot); leftPivot=null; leftMesh=null; }
  render(); fitCameraToScene(1.8);
}

document.getElementById('top_on').addEventListener('change', reapplyAllDebounced);
['top_x','top_y','top_z','top_ang'].forEach(id=>{
  document.getElementById(id).addEventListener('input', ()=>{ if(top_on.checked) applyTop(); });
});
function applyTop(){
  const bx=+dimX.value||40, by=+dimY.value||2, bz=+dimZ.value||20;
  let  tX = Math.max(0.1, +top_x.value || bx);
  const tY = Math.max(0.1, +top_y.value || 1.5);
  const tZ = Math.max(0.1, +top_z.value || bz);
  const ang= Math.max(0, Math.min(120, +top_ang.value || 0));

  const R_on = latDR_on.checked, L_on = latESQ_on.checked;
  const R_sy = R_on ? (+latDR_y.value || 0) : 0;
  const L_sy = L_on ? (+latESQ_y.value || 0) : 0;

  if(!topPivot){ topPivot=new THREE.Object3D(); root.add(topPivot); }

  let alturaLaterais = 0;
  if (R_on && L_on) alturaLaterais = Math.min(R_sy, L_sy);
  else if (R_on)   alturaLaterais = R_sy;
  else if (L_on)   alturaLaterais = L_sy;

  const yTopoVao = -by/2 + alturaLaterais;
  topPivot.position.set(0, yTopoVao, +bz/2);

  tX = bx; // encaixe sem folga
  const m = new THREE.MeshStandardMaterial({ color:0xffffff, roughness:0.85 });
  if(!topMesh){ topMesh=new THREE.Mesh(new THREE.BoxGeometry(tX,tY,tZ), m); topPivot.add(topMesh); }
  else { topMesh.material=m; topMesh.geometry.dispose(); topMesh.geometry=new THREE.BoxGeometry(tX,tY,tZ); }

  topMesh.position.set(0, -tY/2, -tZ/2);
  topPivot.rotation.set(THREE.MathUtils.degToRad(-ang), 0, 0);

  if(!top_on.checked){ root.remove(topPivot); topPivot=null; topMesh=null; }
  render(); fitCameraToScene(1.8);
}

/* ====== INICIAL ====== */
fitCameraToScene(1.8);
</script>
</body>
</html>