/* Folha de levantamento: carimbo técnico, coluna de leitura ~68ch, figuras em largura total, dados em mono.
   Aba 3D: visor ocupando a altura útil, painel de camadas à direita (abaixo no celular). */
:root {
  --paper: #f3f5f2;
  --sheet: #fbfcfa;
  --ink: #1d2a2a;
  --muted: #5b6b69;
  --rule: #c9d3cf;
  --lot: #d6453d;
  --contour: #2f7a8a;
  --contour-2: #a0603a;
  --band: rgba(214, 69, 61, .12);
  --viewer: #dfe5e1;
  --c-terreno: #eadfc6; --c-perfil: #8a5a1c; --c-aterro: #f2c46d; --c-corte: #c8512b;
  --c-casa: #d9d6f3; --c-casa-borda: #5a50b5; --c-casa-t: #33296f;
  --c-inf: #b4e6d3; --c-inf-borda: #157a5c; --c-inf-t: #0b4a37; --c-quintal: #2a9a72;
  --f-display: "Barlow Semi Condensed", "Arial Narrow", sans-serif;
  --f-body: "Public Sans", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, monospace;
  --nav-h: 56px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #121817; --sheet: #182120; --ink: #e3ebe8; --muted: #93a5a1; --rule: #2e3c3a;
    --lot: #f0675e; --contour: #5fb6c6; --contour-2: #d9925f; --band: rgba(240, 103, 94, .16);
    --viewer: #0e1413;
    --c-terreno: #3a3222; --c-perfil: #d9a35a; --c-aterro: #9a7224; --c-corte: #f08a62;
    --c-casa: #3a3470; --c-casa-borda: #aaa3ee; --c-casa-t: #e4e1fb;
    --c-inf: #12503f; --c-inf-borda: #6fd3ae; --c-inf-t: #d6f5ea; --c-quintal: #4cc597;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #121817; --sheet: #182120; --ink: #e3ebe8; --muted: #93a5a1; --rule: #2e3c3a;
  --lot: #f0675e; --contour: #5fb6c6; --contour-2: #d9925f; --band: rgba(240, 103, 94, .16);
  --viewer: #0e1413;
  --c-terreno: #3a3222; --c-perfil: #d9a35a; --c-aterro: #9a7224; --c-corte: #f08a62;
  --c-casa: #3a3470; --c-casa-borda: #aaa3ee; --c-casa-t: #e4e1fb;
  --c-inf: #12503f; --c-inf-borda: #6fd3ae; --c-inf-t: #d6f5ea; --c-quintal: #4cc597;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body { background: var(--paper); color: var(--ink); font: 400 16px/1.6 var(--f-body); margin: 0; }
h1, h2, h3 { font-family: var(--f-display); font-weight: 600; line-height: 1.15; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); letter-spacing: -.01em; }
h2 { font-size: 1.65rem; }
h3 { font-size: 1.15rem; }
p { margin: 0; max-width: 68ch; }
.lead { font-size: 1.12rem; }
.label { font: 600 .72rem/1.2 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.num { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
code { font-family: var(--f-mono); font-size: .88em; }
:focus-visible { outline: 2px solid var(--contour); outline-offset: 2px; }

/* navegação */
.topo { position: sticky; top: 0; z-index: 10; background: var(--sheet); border-bottom: 2px solid var(--ink); }
.topo-in { max-width: 1280px; margin: 0 auto; padding-inline: 20px; min-height: var(--nav-h); display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.marca { font: 700 1.05rem var(--f-display); letter-spacing: .02em; display: flex; gap: 10px; align-items: baseline; }
.marca small { font: 500 .78rem var(--f-mono); color: var(--muted); }
.abas { display: flex; gap: 4px; margin-left: auto; align-self: stretch; }
.aba { appearance: none; border: 0; background: none; color: var(--muted); font: 600 .95rem var(--f-display); letter-spacing: .03em; padding: 0 14px; cursor: pointer; border-bottom: 3px solid transparent; margin-bottom: -2px; }
.aba:hover { color: var(--ink); }
.aba[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--lot); }
.tema { appearance: none; border: 1px solid var(--rule); background: none; color: var(--muted); font: 600 .72rem var(--f-mono); padding: 5px 9px; border-radius: 3px; cursor: pointer; }

/* relatório */
.wrap { max-width: 1080px; margin: 0 auto; padding-inline: 20px; padding-block: 28px 64px; display: grid; gap: 44px; }
section { display: grid; gap: 16px; min-width: 0; }
.sec-head { display: flex; align-items: baseline; gap: 14px; border-top: 2px solid var(--ink); padding-top: 10px; flex-wrap: wrap; }
.sec-head .label { margin-left: auto; }
.carimbo { border: 2px solid var(--ink); background: var(--sheet); display: grid; grid-template-columns: 2fr repeat(3, 1fr); }
.carimbo > div { padding: 14px 16px; border-left: 1px solid var(--rule); display: grid; gap: 4px; align-content: start; min-width: 0; }
.carimbo > div:first-child { border-left: 0; gap: 10px; }
.carimbo .big { font: 600 2.1rem/1 var(--f-display); }
.carimbo .big small { font: 400 .95rem var(--f-body); color: var(--muted); }
.carimbo .sub { font-size: .85rem; color: var(--muted); }
.carimbo .meta { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--rule); display: flex; flex-wrap: wrap; gap: 6px 22px; padding-block: 8px; }
@media (max-width: 760px) {
  .carimbo { grid-template-columns: 1fr 1fr; }
  .carimbo > div:first-child { grid-column: 1 / -1; }
  .carimbo > div:nth-child(2) { border-left: 0; }
  .carimbo > div:not(:first-child):not(.meta) { border-top: 1px solid var(--rule); }
}
figure { margin: 0; display: grid; gap: 8px; min-width: 0; }
figure img { width: 100%; height: auto; display: block; border: 1px solid var(--rule); background: var(--sheet); }
figcaption { font-size: .86rem; color: var(--muted); max-width: 80ch; }
.two { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 24px; align-items: start; }
@media (max-width: 820px) { .two { grid-template-columns: 1fr; } }
.scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .92rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font: 600 .74rem var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
td.num, th.num { text-align: right; }
tr.final td { font-weight: 600; border-top: 2px solid var(--ink); }
.conf { font: 600 .72rem var(--f-mono); padding: 2px 7px; border: 1px solid currentColor; border-radius: 3px; white-space: nowrap; }
.conf.alta { color: var(--contour); }
.conf.media { color: var(--contour-2); }
.conf.baixa { color: var(--muted); }
.chart { background: var(--sheet); border: 1px solid var(--rule); padding: 10px 8px 4px; }
.chart svg { width: 100%; height: auto; display: block; }
.chart text { fill: var(--muted); font: 11px var(--f-mono); }
.chart .axis { stroke: var(--rule); }
.chart .zero { stroke: var(--ink); stroke-width: 1; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: .84rem; color: var(--muted); padding: 4px 6px 6px; }
.legend i { display: inline-block; width: 18px; height: 3px; vertical-align: middle; margin-right: 6px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.impl { border-top: 3px solid var(--lot); padding-top: 10px; display: grid; gap: 6px; }
.impl p { font-size: .94rem; }
ol.steps { margin: 0; padding-left: 1.3em; display: grid; gap: 6px; max-width: 72ch; }
ul.plain { margin: 0; padding-left: 1.1em; display: grid; gap: 6px; max-width: 72ch; }
footer { border-top: 1px solid var(--rule); padding-top: 14px; font-size: .84rem; color: var(--muted); display: grid; gap: 6px; }
.btn-link { appearance: none; border: 1px solid var(--ink); background: var(--ink); color: var(--sheet); font: 600 .9rem var(--f-display); letter-spacing: .03em; padding: 8px 14px; cursor: pointer; border-radius: 2px; justify-self: start; }

/* aba 3D */
.visor { display: grid; grid-template-columns: minmax(0, 1fr) 300px; height: calc(100vh - var(--nav-h) - 2px); min-height: 520px; }
.palco { position: relative; background: var(--viewer); min-width: 0; overflow: hidden; }
.palco canvas { display: block; }
.rotulos { position: absolute; inset: 0; pointer-events: none; }
.painel { background: var(--sheet); border-left: 1px solid var(--rule); padding: 16px 18px; overflow-y: auto; display: grid; gap: 18px; align-content: start; }
.grupo { display: grid; gap: 8px; }
.grupo > .label { border-bottom: 1px solid var(--rule); padding-bottom: 5px; }
.seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; border: 1px solid var(--rule); border-radius: 3px; overflow: hidden; }
.seg button { appearance: none; border: 0; border-left: 1px solid var(--rule); background: none; color: var(--ink); font: 600 .82rem var(--f-mono); padding: 7px 0; cursor: pointer; }
.seg button:first-child { border-left: 0; }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--sheet); }
.vistas { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.vistas button { appearance: none; border: 1px solid var(--rule); background: none; color: var(--ink); font: 500 .84rem var(--f-body); padding: 7px 8px; cursor: pointer; border-radius: 3px; text-align: left; }
.vistas button:hover { border-color: var(--ink); }
.camada { display: flex; gap: 9px; align-items: center; font-size: .9rem; cursor: pointer; }
.camada input { accent-color: var(--lot); width: 16px; height: 16px; margin: 0; }
.rampa { height: 12px; border-radius: 2px; background: linear-gradient(90deg, #ece4c4, #9cc4a8, #5d9a9a, #2b5f6e); }
.rampa-esc { display: flex; justify-content: space-between; font: 500 .72rem var(--f-mono); color: var(--muted); }
.leitura { background: var(--paper); border: 1px solid var(--rule); padding: 10px 12px; font: 500 .82rem/1.5 var(--f-mono); min-height: 74px; }
.leitura b { font-weight: 600; color: var(--ink); }
.nota { font-size: .8rem; color: var(--muted); }
.dica { position: absolute; left: 12px; bottom: 10px; font: 500 .74rem var(--f-mono); color: var(--muted); background: color-mix(in srgb, var(--sheet) 80%, transparent); padding: 4px 8px; border-radius: 3px; pointer-events: none; }
.erro3d { position: absolute; inset: 0; display: grid; place-items: center; padding: 24px; text-align: center; color: var(--muted); }
@media (max-width: 860px) {
  .visor { grid-template-columns: 1fr; height: auto; }
  .palco { height: 62vh; min-height: 380px; }
  .painel { border-left: 0; border-top: 1px solid var(--rule); }
}

/* rótulos CSS2D */
.r3d { font: 600 11px/1.2 var(--f-mono); color: #fff; background: rgba(20, 30, 30, .78); padding: 3px 6px; border-radius: 3px; white-space: nowrap; transform: translateY(-4px); }
.r3d.lado { background: rgba(214, 69, 61, .9); }
.r3d.cota { background: rgba(43, 95, 110, .92); }
.r3d.ref { background: rgba(255, 255, 255, .9); color: #1d2a2a; }
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }

/* aba Construções */
.cons-opcoes { display: flex; flex-wrap: wrap; gap: 8px; }
.cons-opcoes button { appearance: none; border: 1px solid var(--rule); background: var(--sheet); color: var(--ink); font: 600 .92rem var(--f-display); letter-spacing: .02em; padding: 8px 12px; border-radius: 3px; cursor: pointer; }
.cons-opcoes button:hover { border-color: var(--ink); }
.cons-opcoes button[aria-pressed="true"] { background: var(--ink); color: var(--sheet); border-color: var(--ink); }
#cons-svg .t { fill: var(--muted); font: 11px var(--f-mono); }
#cons-svg .casa { fill: var(--c-casa); stroke: var(--c-casa-borda); stroke-width: 1; }
#cons-svg .inf { fill: var(--c-inf); stroke: var(--c-inf-borda); stroke-width: 1; }
#cons-svg .casa-t { fill: var(--c-casa-t); font-weight: 600; }
#cons-svg .inf-t { fill: var(--c-inf-t); font-weight: 600; }
.cons-leg i { display: inline-block; width: 14px; height: 10px; vertical-align: -1px; margin-right: 6px; border-radius: 2px; }
.metricas { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; }
.metricas .mc { background: var(--sheet); border: 1px solid var(--rule); padding: 10px 12px; display: grid; gap: 3px; }
.metricas .v { font: 600 1rem/1.3 var(--f-display); }
.opcoes3d { display: grid; gap: 6px; }
.opcoes3d label { display: flex; gap: 9px; align-items: center; font-size: .9rem; cursor: pointer; }
.opcoes3d input { accent-color: var(--lot); margin: 0; }