:root {
  --bg: #0b0f14;
  --panel: #111821;
  --card: #151e29;
  --card-2: #1b2633;
  --border: #243142;
  --grid: #1a2430;
  --canvas-bg: #0b0f14;
  --text: #e6edf3;
  --muted: #8b9bb0;
  --accent: #f97316;
  --accent-2: #fb923c;
  --ok: #22c55e;
  --warn: #eab308;
  --err: #ef4444;
  --radius: 10px;
  --header-h: 60px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body { font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; -webkit-text-size-adjust: 100%; }
button, input, select { font: inherit; color: inherit; }
h2 { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 0 0 10px; display: flex; align-items: center; gap: 8px; }
small, .hint { color: var(--muted); font-size: 12px; }
.hint { margin: 8px 0 0; }
[hidden] { display: none !important; }

/* ---------- Topo ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  min-height: var(--header-h); padding: 8px 16px;
  background: var(--panel); border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand strong { display: block; color: var(--accent); letter-spacing: .04em; font-size: 15px; }
.brand span { display: block; color: var(--muted); font-size: 11px; }
.status { display: flex; gap: 6px; flex-wrap: wrap; }
.actions { margin-left: auto; display: flex; gap: 6px; flex-wrap: wrap; }
.chip { font-size: 11px; padding: 3px 8px; border-radius: 999px; border: 1px solid var(--border); background: var(--card); white-space: nowrap; }
.chip.ok { color: var(--ok); border-color: #14532d; }
.chip.off { color: var(--warn); border-color: #713f12; }
.chip.err { color: var(--err); border-color: #7f1d1d; }
.chip.muted { color: var(--muted); }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 36px; padding: 6px 12px; border-radius: 8px; cursor: pointer;
  background: var(--card-2); border: 1px solid var(--border); color: var(--text);
  transition: background .15s, border-color .15s;
}
.btn:hover { border-color: var(--accent); }
.btn:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #111; font-weight: 600; }
.btn.primary:hover { background: var(--accent-2); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--err); }
.btn.small { min-height: 30px; padding: 4px 10px; font-size: 12px; }
.btn.icon { width: 34px; min-height: 34px; padding: 0; font-size: 16px; }
.btn.block { width: 100%; margin-top: 10px; }
.btn:disabled { opacity: .5; cursor: progress; }

/* ---------- Layout (rolagem corrigida) ---------- */
.layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr) 360px;
  height: calc(100dvh - var(--header-h));
  min-height: 0;
}
.panel, .stage { min-height: 0; overflow-y: auto; overscroll-behavior: contain; }
.panel { padding: 12px; background: var(--panel); }
#panel-config { border-right: 1px solid var(--border); }
#panel-results { border-left: 1px solid var(--border); }
.stage { display: flex; flex-direction: column; padding: 12px; gap: 10px; }
.tabbar { display: none; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; margin-bottom: 12px; }
.card.accent { border-color: #7c2d12; background: linear-gradient(180deg, #1c1510, var(--card)); }
.badge { background: var(--card-2); border: 1px solid var(--border); border-radius: 999px; padding: 0 8px; font-size: 11px; color: var(--text); letter-spacing: 0; }

label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 8px; }
input[type=text], input[type=number], input[type=email], input[type=password], input:not([type]), select {
  display: block; width: 100%; margin-top: 4px; min-height: 36px; padding: 6px 10px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px; color: var(--text);
}
input[type=number] { font-variant-numeric: tabular-nums; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.range-row { display: grid; grid-template-columns: 1fr 76px; gap: 8px; align-items: center; }
.range-row input[type=number] { margin-top: 0; text-align: right; }
input[type=range] { width: 100%; accent-color: var(--accent); }
.check { display: flex; align-items: center; gap: 8px; color: var(--text); font-size: 13px; }
.check input { width: 18px; height: 18px; accent-color: var(--accent); margin: 0; }
.check.inline { margin: 0; }

.seg { display: grid; grid-template-columns: 1fr 1fr; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 3px; margin-bottom: 10px; }
.seg button { border: 0; background: transparent; padding: 6px; border-radius: 6px; cursor: pointer; color: var(--muted); }
.seg button[aria-checked=true] { background: var(--accent); color: #111; font-weight: 600; }

.specs { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 10px 0 0; font-size: 12px; }
.specs dt { color: var(--muted); }
.specs dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }

/* Zonas */
.zone { border: 1px solid var(--border); border-left: 4px solid var(--c, var(--ok)); border-radius: 8px; padding: 8px; margin-bottom: 8px; background: var(--bg); }
.zone-head { display: flex; gap: 6px; align-items: center; margin-bottom: 6px; }
.zone-head input[type=text] { margin: 0; min-height: 30px; }
.zone-head input[type=color] { width: 34px; height: 30px; padding: 0; border: 1px solid var(--border); border-radius: 6px; background: none; flex: none; }
.zone-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; }
.zone-grid label { margin: 0; font-size: 10px; }
.zone-grid input { min-height: 30px; padding: 4px 6px; font-size: 13px; }
.preset-row { display: flex; gap: 6px; flex-wrap: wrap; }

.progress { height: 6px; background: var(--bg); border-radius: 3px; overflow: hidden; margin-top: 8px; }
.progress div { height: 100%; width: 0; background: var(--accent); transition: width .2s; }

/* Vista */
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.tools { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.tools select { width: auto; margin: 0; min-height: 34px; }
.canvas-wrap { position: relative; flex: 1 1 auto; min-height: 320px; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
#side-view, #plan-view { display: block; width: 100%; height: 100%; touch-action: none; cursor: grab; }
#side-view:active { cursor: grabbing; }
/* Rigging (desenho técnico) */
.rig-card { padding: 10px; }
.rig-card h2 { margin-bottom: 8px; }
#rig-view { display: block; width: 100%; height: 560px; border: 1px solid var(--border); border-radius: 8px; background: var(--canvas-bg); }
@media (max-width: 1100px) { #rig-view { height: clamp(420px, 120vw, 640px); } }

/* Páginas: Calculadora × Projeto */
.page-tabs { width: 250px; margin: 0; flex: none; }
.page-tabs button { font-weight: 600; font-size: 14px; padding: 7px 10px; }
.page-tabs button[aria-selected=true] { background: var(--accent); color: #111; }
body[data-page=calc] .proj-only, body[data-page=project] .calc-only { display: none !important; }
#plan-stats:empty { display: none; }
.plan-tools { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.plan-tools .btn.active { outline: 2px solid var(--accent); }
.plan-tools select { width: auto; margin: 0; min-height: 30px; padding: 2px 6px; }
.plan-tools .opacity { display: flex; align-items: center; gap: 6px; margin: 0; font-size: 12px; color: var(--muted); }
.plan-tools .opacity input { width: 90px; margin: 0; }
.plan-tools .sep { flex: 1; }
.step-btn b { display: inline-grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; background: var(--accent); color: #111; font-size: 11px; margin-right: 4px; }
.step-btn.done b { background: var(--ok); }
.step-btn.active { outline: 2px solid var(--accent); }
.img-adjust { position: relative; }
.img-adjust summary { list-style: none; cursor: pointer; }
.img-adjust summary::-webkit-details-marker { display: none; }
.img-adjust-body { position: absolute; right: 0; top: calc(100% + 6px); z-index: 30; display: grid; gap: 8px; min-width: 240px; padding: 10px; background: var(--card-2); border: 1px solid var(--border); border-radius: 10px; box-shadow: 0 10px 30px rgba(0,0,0,.4); }
.steps { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; font-size: 13px; }
.steps li { display: grid; grid-template-columns: 22px 1fr; gap: 8px; align-items: start; }
.steps li i { font-style: normal; display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: var(--card-2); border: 1px solid var(--border); font-size: 11px; font-weight: 700; }
.steps li.done i { background: var(--ok); color: #111; border-color: var(--ok); }
.steps li.now i { background: var(--accent); color: #111; border-color: var(--accent); }
.steps li small { display: block; color: var(--muted); font-size: 11px; }
.plan-msg { position: absolute; left: 50%; bottom: 46px; transform: translateX(-50%); max-width: 90%; background: var(--card-2); border: 1px solid var(--accent); padding: 6px 12px; border-radius: 8px; font-size: 12px; text-align: center; }
#plan-card h3 { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 12px 0 6px; }
.plan-row { border: 1px solid var(--border); border-left: 4px solid var(--c, #0ea5e9); border-radius: 8px; padding: 6px 8px; margin-bottom: 6px; background: var(--bg); }
.plan-row.sel { border-color: var(--accent); }
.plan-row .zone-grid { grid-template-columns: repeat(5, 1fr); }
.plan-row .zone-grid.g4 { grid-template-columns: repeat(4, 1fr); }
.designer .zone-grid { margin-bottom: 6px; grid-template-columns: repeat(2, 1fr) !important; gap: 6px; }
.designer .zone-grid label { font-size: 11px; }
.summary { font-size: 12px; line-height: 1.45; }
.summary div { padding: 4px 0; border-top: 1px solid var(--border); }
.summary div.warn { color: #fbbf24; }
.plan-row .info { display: block; margin-top: 4px; font-size: 11px; color: var(--muted); }
.role { font-size: 10px; padding: 1px 6px; border-radius: 999px; background: var(--card-2); color: var(--muted); flex: none; }
#panel-proj-results .range-row { grid-template-columns: 1fr auto; }
#panel-proj-results .range-row select { margin: 0; }
.view-hint { position: absolute; left: 10px; bottom: 26px; font-size: 11px; color: var(--muted); pointer-events: none; }
.busy { position: absolute; top: 10px; left: 50%; transform: translateX(-50%); background: var(--card-2); border: 1px solid var(--border); padding: 4px 12px; border-radius: 999px; font-size: 12px; }
.chart-wrap { flex: 0 0 200px; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
#spl-chart { display: block; width: 100%; height: 100%; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; }
.stat b { display: block; font-size: 18px; font-variant-numeric: tabular-nums; }
.stat span { font-size: 11px; color: var(--muted); }

/* Resultados */
.kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 12px; }
.kpi { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px; }
.kpi span { display: block; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.kpi b { font-size: 20px; font-variant-numeric: tabular-nums; }
.kpi b small { font-size: 12px; }
.kpi.hl { border-color: #7c2d12; }
.kpi.hl b { color: var(--accent); }
.warn-item { padding: 8px 10px; border-radius: 8px; margin-bottom: 6px; font-size: 13px; border: 1px solid; }
.warn-item.erro { border-color: #7f1d1d; background: #2a0f0f; color: #fecaca; }
.warn-item.aviso { border-color: #713f12; background: #261a08; color: #fde68a; }
.warn-item.ok { border-color: #14532d; background: #0b2414; color: #bbf7d0; }

.holes { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 8px; }
.hole { flex: 1 1 22px; min-width: 22px; height: 30px; border-radius: 6px; border: 1px solid var(--border); background: var(--bg); color: var(--muted); font-size: 12px; display: grid; place-items: center; position: relative; }
.hole.ideal { border-color: var(--ok); color: var(--ok); }
.hole.sel { background: var(--accent); color: #111; border-color: var(--accent); font-weight: 700; }
.rig-info { font-size: 13px; }
.rig-info .big { font-size: 22px; font-weight: 700; color: var(--accent); }
.rig-info dl { display: grid; grid-template-columns: 1fr auto; gap: 2px 8px; margin: 8px 0 0; }
.rig-info dt { color: var(--muted); }
.rig-info dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }

.table-wrap { overflow-x: auto; }
table.pins { width: 100%; border-collapse: collapse; font-size: 13px; font-variant-numeric: tabular-nums; }
table.pins th { text-align: left; font-size: 11px; color: var(--muted); font-weight: 500; padding: 4px; border-bottom: 1px solid var(--border); }
table.pins td { padding: 3px 4px; border-bottom: 1px solid var(--grid); }
table.pins select { min-height: 28px; padding: 2px 6px; margin: 0; width: 72px; }
.tag { font-size: 10px; padding: 1px 6px; border-radius: 4px; font-weight: 600; }
.tag.Topo { background: #1e3a8a; color: #bfdbfe; }
.tag.Trans { background: #713f12; color: #fde68a; }
.tag.Down { background: #7c2d12; color: #fed7aa; }

/* Modais */
.modal { width: min(560px, calc(100vw - 24px)); max-height: calc(100dvh - 24px); padding: 0; border: 1px solid var(--border); border-radius: 14px; background: var(--panel); color: var(--text); }
.modal.wide { width: min(900px, calc(100vw - 24px)); }
.modal::backdrop { background: rgba(0, 0, 0, .6); }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--border); margin: 0; position: sticky; top: 0; background: var(--panel); z-index: 1; }
.modal-head h2 { margin: 0; }
.modal-body { padding: 16px; }
.modal-body.split { display: grid; grid-template-columns: 240px 1fr; gap: 16px; }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0; }
.list { list-style: none; margin: 8px 0; padding: 0; }
.list li { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 6px; background: var(--card); cursor: pointer; }
.list li.active { border-color: var(--accent); }
.list li .grow { flex: 1; min-width: 0; }
.list li .grow b { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list li .grow small { display: block; }
fieldset { border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; margin: 0 0 8px; }
legend { color: var(--muted); font-size: 12px; padding: 0 4px; }
.form-errors { color: var(--err); font-size: 13px; min-height: 1em; margin: 4px 0; white-space: pre-line; }

#toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px); opacity: 0; background: var(--card-2); border: 1px solid var(--border); padding: 10px 16px; border-radius: 10px; z-index: 100; transition: .2s; pointer-events: none; max-width: calc(100vw - 32px); }
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

#report { display: none; }

/* ================================================================== */
/* TEMA INDUSTRIAL — painel de equipamento                             */
/* ================================================================== */
:root {
  --bg: #080a0d;
  --panel: #0e1115;
  --card: #13171c;
  --card-2: #1a1f26;
  --border: #262c35;
  --border-hi: #343b46;
  --grid: #1a2028;
  --canvas-bg: #0a0d11;
  --text: #e8ecf1;
  --muted: #8a94a3;
  --radius: 4px;
  --mono: "Cascadia Mono", "JetBrains Mono", ui-monospace, "SF Mono", Consolas, "Roboto Mono", monospace;
}
body { font-family: "Segoe UI", "Inter", system-ui, -apple-system, Roboto, sans-serif; letter-spacing: .005em; }
::selection { background: var(--accent); color: #111; }
* { scrollbar-width: thin; scrollbar-color: #2b323d transparent; }
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-thumb { background: #2b323d; border-radius: 0; }

/* topo: placa do equipamento */
.topbar {
  background: linear-gradient(180deg, #14181e 0%, #0d1014 100%);
  border-bottom: 1px solid #000;
  box-shadow: inset 0 -2px 0 var(--accent), 0 2px 10px rgba(0, 0, 0, .5);
}
.brand img { filter: drop-shadow(0 0 6px rgba(249, 115, 22, .35)); }
.brand strong { font-weight: 800; letter-spacing: .14em; font-size: 14px; }
.brand span { font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }

/* LEDs de status */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase;
  border-radius: 2px; background: #0a0c10; border-color: var(--border); padding: 3px 8px;
}
.chip::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; box-shadow: 0 0 6px currentColor; flex: none; }
.chip.muted::before { box-shadow: none; opacity: .6; }

/* botões */
.btn {
  border-radius: 3px; font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  background: linear-gradient(180deg, #1d232b, #161b21); border-color: var(--border-hi);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .04);
}
.btn:hover { border-color: var(--accent); color: #fff; }
.btn.primary { background: linear-gradient(180deg, #fb8a3c, #ea6a12); border-color: #c2410c; color: #120800; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .25), 0 0 0 1px rgba(0, 0, 0, .4); }
.btn.primary:hover { background: linear-gradient(180deg, #fd9a52, #f97316); color: #120800; }
.btn.ghost { background: transparent; box-shadow: none; }
.btn.small { font-size: 10.5px; }
.btn.icon { font-size: 15px; letter-spacing: 0; }

/* painéis e cards */
.panel { background: var(--panel); }
.card {
  border-radius: var(--radius); background: var(--card);
  border: 1px solid var(--border); border-top-color: var(--border-hi);
  box-shadow: 0 1px 0 rgba(0, 0, 0, .5);
}
.card.accent { border-color: var(--border); border-left: 3px solid var(--accent); background: linear-gradient(90deg, rgba(249, 115, 22, .07), var(--card) 40%); }
h2 { color: var(--text); font-size: 11px; font-weight: 700; letter-spacing: .14em; }
h2::before { content: ''; width: 3px; height: 12px; background: var(--accent); flex: none; }
.modal-head h2::before { height: 14px; }
#plan-card h3, .designer h3 { font-family: var(--mono); letter-spacing: .1em; }

/* campos */
input[type=text], input[type=number], input[type=email], input[type=password], input:not([type]), select {
  border-radius: 3px; background: #07090c; border-color: #2a313b;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, .6);
}
input[type=number] { font-family: var(--mono); font-size: 13px; }
label { letter-spacing: .02em; }
.seg { border-radius: 3px; background: #07090c; }
.seg button { border-radius: 2px; text-transform: uppercase; letter-spacing: .08em; font-size: 11px; font-weight: 600; }
.page-tabs button { font-size: 12px; letter-spacing: .12em; }

/* leituras numéricas (fonte técnica) */
.kpi, .stat {
  border-radius: var(--radius); background: linear-gradient(180deg, #0f1317, #0b0e12);
  border: 1px solid var(--border); border-top-color: var(--border-hi);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .35);
}
.kpi span, .stat span { font-family: var(--mono); font-size: 9.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.kpi b, .stat b { font-family: var(--mono); font-weight: 600; letter-spacing: -.01em; }
.kpi.hl { border-color: #7c2d12; border-left: 3px solid var(--accent); }
.kpi.hl b { text-shadow: 0 0 12px rgba(249, 115, 22, .35); }
.specs dd, .rig-info dd, table.pins td, .badge, .hole, .zone-grid input { font-family: var(--mono); }
.rig-info .big { font-family: var(--mono); letter-spacing: .02em; }
table.pins th { font-family: var(--mono); text-transform: uppercase; letter-spacing: .1em; font-size: 9.5px; }
.hole { border-radius: 2px; }
.tag { border-radius: 2px; font-family: var(--mono); letter-spacing: .04em; }
.warn-item { border-radius: 3px; border-left-width: 3px; }

/* vistas */
.canvas-wrap, .chart-wrap, #rig-view { border-radius: 3px; border-color: var(--border-hi); box-shadow: inset 0 0 0 1px #000; }
.toolbar strong, #view-title, #plan-title { font-family: var(--mono); font-size: 12px; letter-spacing: .04em; text-transform: uppercase; }
.view-hint, .busy, .plan-msg { font-family: var(--mono); font-size: 10.5px; letter-spacing: .03em; }
.view-hint { left: 48px; }
.busy { border-radius: 2px; border-color: var(--accent); color: var(--accent); }

/* listas, modais, barra inferior */
.zone, .plan-row, .list li, fieldset, .modal { border-radius: var(--radius); }
.modal { box-shadow: 0 20px 60px rgba(0, 0, 0, .7); border-top: 2px solid var(--accent); }
.tabbar a { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
#toast { border-radius: 3px; border-left: 3px solid var(--accent); font-family: var(--mono); font-size: 12px; }
.modal.ask { width: min(420px, calc(100vw - 24px)); }
.modal.ask .modal-head { position: static; }
.btn.primary.danger { background: linear-gradient(180deg, #f05252, #c81e1e); border-color: #7f1d1d; color: #fff; }

/* ---------- Responsivo ---------- */
@media (max-width: 1280px) {
  .layout { grid-template-columns: 290px minmax(0, 1fr) 320px; }
}
@media (max-width: 1100px) {
  :root { --header-h: auto; }
  .layout { display: block; height: auto; }
  .panel, .stage { overflow: visible; border: 0 !important; }
  .stage { padding: 12px; }
  .canvas-wrap { height: clamp(280px, 75vw, 62vh); min-height: 0; flex: none; }
  .chart-wrap { height: 200px; flex: none; }
  .tabbar {
    display: grid; grid-template-columns: repeat(3, 1fr); position: sticky; bottom: 0; z-index: 20;
    background: var(--panel); border-top: 1px solid var(--border); padding-bottom: env(safe-area-inset-bottom);
  }
  .tabbar a { text-align: center; padding: 12px 4px; color: var(--text); text-decoration: none; font-weight: 600; }
  .topbar { position: static; }
  #panel-config, #panel-results, #panel-view, #panel-proj, #panel-plan, #panel-proj-results { scroll-margin-top: 8px; }
  .plan-wrap { height: clamp(320px, 90vw, 70vh); }
}
@media (max-width: 640px) {
  .topbar { padding: 8px 12px; }
  .actions { margin-left: 0; width: 100%; display: grid; grid-template-columns: repeat(4, 1fr); }
  .actions .btn { padding: 6px 4px; font-size: 12px; }
  .page-tabs { width: 100%; order: 3; }
  .status { order: 2; }
  #btn-install { grid-column: 1 / -1; }
  .stats { grid-template-columns: 1fr 1fr; }
  .modal-body.split { grid-template-columns: 1fr; }
  .row3 { grid-template-columns: 1fr 1fr; }
  .zone-grid { grid-template-columns: repeat(3, 1fr); }
  .panel, .stage { padding: 12px 12px; }
}

/* ---------- Impressão / PDF ---------- */
@media print {
  @page { size: A4; margin: 12mm; }
  #report .page-break { break-before: page; }
  :root { color-scheme: light; }
  html, body { background: #fff !important; color: #111 !important; }
  #app, dialog, #toast { display: none !important; }
  #report { display: block !important; font: 11px/1.4 system-ui, sans-serif; color: #111; }
  #report h1 { font-size: 20px; margin: 0; color: #c2410c; }
  #report h2 { font-size: 13px; color: #111; text-transform: uppercase; letter-spacing: .06em; margin: 14px 0 6px; border-bottom: 2px solid #f97316; padding-bottom: 2px; }
  #report .rp-head { display: flex; justify-content: space-between; align-items: flex-end; border-bottom: 1px solid #ccc; padding-bottom: 8px; }
  #report table { width: 100%; border-collapse: collapse; }
  #report td, #report th { border: 1px solid #ccc; padding: 3px 6px; text-align: left; }
  #report th { background: #f3f4f6; }
  #report .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  #report img { width: 100%; border: 1px solid #ccc; }
  #report .warn { padding: 4px 8px; border: 1px solid #f59e0b; background: #fffbeb; margin: 3px 0; }
  #report .warn.erro { border-color: #ef4444; background: #fef2f2; }
  #report .avoid { break-inside: avoid; }
  #report .foot { margin-top: 14px; color: #666; font-size: 9px; }
  /* folha de projeto com carimbo */
  #report { font-family: "Segoe UI", Arial, sans-serif; }
  #report td, #report .rp-stamp, #report table { font-variant-numeric: tabular-nums; }
  #report .rp-bar { display: flex; justify-content: space-between; align-items: center; background: #111 !important; color: #fff !important; padding: 7px 10px; border-bottom: 3px solid #f97316; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  #report .rp-logo { font-size: 13px; letter-spacing: .14em; }
  #report .rp-logo b { color: #f97316; font-weight: 800; }
  #report .rp-logo span { color: #bbb; font-size: 9px; letter-spacing: .08em; }
  #report .rp-doc { font-family: Consolas, "Courier New", monospace; font-size: 10px; letter-spacing: .08em; }
  #report .rp-stamp { margin: 0 0 10px; border: 2px solid #111; }
  #report .rp-stamp th { width: 70px; background: #f3f4f6 !important; font-size: 8.5px; text-transform: uppercase; letter-spacing: .08em; color: #444; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  #report .rp-stamp td { font-size: 11px; }
  #report h2 { border-bottom: 0; border-left: 4px solid #f97316; padding: 2px 0 2px 6px; background: #f3f4f6; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  #report th { font-size: 9px; text-transform: uppercase; letter-spacing: .06em; }
  #report .rp-sign { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 26px; }
  #report .rp-sign div { border-top: 1px solid #111; padding-top: 3px; font-size: 9px; text-transform: uppercase; letter-spacing: .08em; color: #444; height: 30px; }
}