/* ==========================================================================
   EvoluAI — MLP 01 · O Neurônio Artificial (prefixo nr-) · tema pixel
   Cantos retos, bordas de 2px, sombras duras, fontes pixeladas.
   ========================================================================== */

.nr { --nr-hard: 3px 3px 0 0 rgba(0, 0, 0, 0.5); }
.nr .sg-head h3:focus { outline: none; }

/* ---------- barra acima do diagrama ---------- */

.nr-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 10px 14px; flex-wrap: wrap; }
.nr-legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font: 400 10px/1.2 var(--pixel-ui); color: var(--muted); }
.nr-legend span { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.nr-legend i { display: inline-block; width: 12px; height: 3px; }
.nr-legend i.pos { background: var(--good); }
.nr-legend i.neg { background: var(--bad); }
.nr-legend i.zero { height: 0; border-top: 1.5px dashed var(--faint); }
.nr-legend i.wire { height: 1px; background: var(--text-2); }
.nr-legend i.bias { width: 5px; height: 5px; background: var(--coin); }
.nr-legend i.pill { width: 14px; height: 9px; border: 1px solid var(--good); background: transparent; }
.nr-legend i.risk { width: 12px; height: 9px; border-left: 1px dashed var(--coin); border-right: 1px dashed var(--coin); background: rgba(255, 210, 63, 0.22); }
/* marcadores da régua: círculos (o tema zera border-radius, então o círculo vem do gradiente) */
.nr-legend i.dot { width: 9px; height: 9px; }
.nr-legend i.dot.good { background: radial-gradient(closest-side, var(--good) 88%, transparent 100%); }
.nr-legend i.dot.bad { background: radial-gradient(closest-side, var(--bad) 88%, transparent 100%); }

/* ---------- canvas (gráficos limpos; a esteira é pixel art desenhada por dentro) ----------
   A altura acompanha a largura: o projeto tem 150 × 140 (neurônio + esteira/régua)
   ou 150 × 90 (redes), e ocupa o canvas inteiro. */

.nr-canvas { height: auto; aspect-ratio: 150 / 92; max-height: 460px; border-radius: 0; box-shadow: var(--nr-hard); }
.nr-canvas.nr-tall { aspect-ratio: 150 / 140; max-height: 620px; }

/* ---------- lote de maçãs (fases 1–2): escolhe qual passa pelo diagrama ---------- */

.nr-lot { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 6px; }
.nr-ap {
  position: relative; display: flex; flex-direction: column; align-items: center; gap: 3px;
  min-height: 40px; padding: 6px 2px 5px;
  border: 2px solid var(--line-2); background: var(--surface-2); box-shadow: 2px 2px 0 0 rgba(0, 0, 0, 0.5);
  font: 400 12px/1 var(--pixel-ui); color: var(--text);
  transition: background 0.12s steps(2), border-color 0.12s;
}
.nr-ap small { font-size: 8px; color: var(--muted); }
.nr-ap.boa small { color: var(--good); }
.nr-ap.ruim small { color: var(--bad); }
.nr-ap:hover:not(:disabled) { border-color: var(--line-3); }
.nr-ap[aria-pressed='true'] { border-color: var(--accent); background: var(--accent-soft); }
.nr-ap:disabled { cursor: default; }
.nr-ap.no { border-color: var(--bad); }
.nr-ap.risk { border-color: var(--warn); }
.nr-ap > i {
  position: absolute; top: -6px; right: -6px; display: grid; place-items: center;
  width: 14px; height: 14px; border: 2px solid #000;
  font: 400 9px/1 var(--pixel-ui); font-style: normal; color: #000;
}
.nr-ap > i .icon { width: 8px; height: 8px; }
.nr-ap.ok > i { background: var(--good); }
.nr-ap.no > i { background: var(--bad); }
.nr-ap.risk > i { background: var(--warn); }
.nr-ap.stale > i { opacity: 0.45; }
.nr-ap.stale.no { border-color: var(--line-2); }

/* ---------- controles: neurônio ---------- */

.nr-sliders .sg-slider { grid-template-columns: 104px minmax(0, 1fr) 52px; }
.nr-sliders .sg-slider > .mono { font-family: var(--pixel-ui); font-size: 12px; }
.nr-sliders .sg-slider > .mono small { margin-left: 6px; font: 400 10px var(--pixel-ui); color: var(--muted); }
.nr-sliders .sg-slider output { font-family: var(--pixel-ui); font-size: 11px; }

/* rodar a esteira (fase 1) e conferir no chip (fase 4) */
.nr-run { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 12px; }
.nr-runinfo { font: 400 10px/1.5 var(--pixel-ui); color: var(--muted); }
.nr-runinfo b { font-weight: 400; color: var(--text); }
.nr-runinfo b.good { color: var(--good); }
.nr-runinfo small { font-size: 9px; color: var(--faint); }

.nr .sg-stats div { border-radius: 0; border-width: 2px; border-color: var(--line-2); background: var(--bg-2); box-shadow: var(--nr-hard); }
.nr .sg-stats dd { font-family: var(--pixel-ui); font-size: 15px; }

.nr .sg-formula { border-radius: 0; border-width: 2px; border-color: var(--line-2); background: var(--bg); box-shadow: var(--nr-hard); }
.nr-formula > div { white-space: nowrap; }
.nr-formula .nr-fi { padding-left: 2ch; }
.nr-fhead { margin-bottom: 4px; font: 400 10px/1.4 var(--pixel-ui); color: var(--muted); }
.nr-formula .nr-fa { margin-top: 6px; padding-top: 6px; border-top: 2px dashed var(--line-2); }
.nr-formula b.nr-open { color: var(--accent); }
.nr-formula b.nr-shut { color: var(--muted); }
.nr-pos { color: var(--good); }
.nr-neg { color: var(--bad); }
.nr-zero { color: var(--muted); }

/* ---------- controles: redes (fases 3–4) ---------- */

.nr-builder { display: flex; flex-direction: column; gap: 10px; }
.nr-netbar { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.nr-netpips { display: inline-flex; gap: 4px; }
.nr-netpips i { width: 14px; height: 6px; background: var(--surface-3); }
.nr-netpips i.cur { background: var(--accent); }
.nr-netpips i.on { background: var(--good); }
.nr-netdesc { margin: 0; font-size: 13.5px; line-height: 1.5; color: var(--text-2); }
.nr-formula-hint { padding: 6px 9px; border: 2px dashed var(--line-2); font: 400 11px/1.4 var(--pixel-ui); color: var(--accent); }

.nr-stack { display: flex; flex-direction: column; margin: 0; padding: 0; list-style: none; }
.nr-layer {
  display: flex; align-items: center; gap: 10px;
  min-height: 46px; padding: 6px 8px 6px 12px;
  border: 2px solid var(--line-2); background: var(--surface-2);
  box-shadow: var(--nr-hard);
}
.nr-layer.fixed { border-style: dashed; background: transparent; box-shadow: none; }
.nr-lname { flex: 1; min-width: 0; font: 500 14px/1.2 var(--pixel); color: var(--text); }
.nr-lname small { margin-left: 4px; font: 400 10px var(--pixel-ui); color: var(--muted); }
.nr-layer.fixed .nr-lname { color: var(--text-2); }
.nr-lfix { padding-right: 4px; font: 400 10px/1.4 var(--pixel-ui); color: var(--muted); text-align: right; }
.nr-lfix small { display: block; font-size: 9px; color: var(--faint); }
.nr-step { display: inline-flex; align-items: center; gap: 2px; padding: 2px; border: 2px solid #000; background: var(--bg); }
.nr-step button {
  width: 28px; height: 28px;
  font: 400 16px/1 var(--pixel-ui); color: var(--text-2);
  background: var(--surface-3);
  box-shadow: inset -2px -2px 0 rgba(0, 0, 0, 0.45), inset 2px 2px 0 rgba(255, 255, 255, 0.08);
  transition: background 0.12s steps(2), color 0.12s;
}
.nr-step button:hover:not(:disabled) { background: var(--line-2); color: var(--text); }
.nr-step button:active:not(:disabled) { transform: translate(1px, 1px); box-shadow: inset 2px 2px 0 rgba(0, 0, 0, 0.45); }
.nr-step button:disabled { opacity: 0.3; cursor: not-allowed; }
.nr-step b { min-width: 24px; text-align: center; font: 400 13px var(--pixel-ui); color: var(--accent); }

/* camada densa: a conta fica entre as duas camadas que ela liga */
.nr-dense {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  min-height: 40px; margin-left: 22px; padding: 6px 10px 6px 16px;
  border-left: 2px dashed var(--line-2);
  color: var(--muted);
}
.nr-dname { font: 400 9px/1.3 var(--pixel-ui); }
.nr-dcalc { font: 400 11px/1.2 var(--pixel-ui); color: var(--text-2); white-space: nowrap; }
.nr-dcalc b { font-weight: 400; color: var(--text); }
.nr-dense.ok { border-left-style: solid; border-left-color: var(--coin); }
.nr-dense.ok .nr-dcalc b { color: var(--coin); }
.nr-dense.no { border-left-style: solid; border-left-color: var(--bad); }
.nr-dense.hl { border-left-style: solid; border-left-color: var(--accent); }
.nr-dense.hl .nr-dname { color: var(--accent); }

.nr-ans { display: inline-flex; align-items: center; gap: 4px; }
.nr-ans input {
  width: 64px; height: 30px; padding: 0 6px;
  border: 2px solid var(--line-2); border-radius: 0; background: var(--bg);
  font: 400 13px var(--pixel-ui); color: var(--text); text-align: right;
  -moz-appearance: textfield; appearance: textfield;
}
.nr-ans input::-webkit-outer-spin-button, .nr-ans input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.nr-ans input::placeholder { color: var(--faint); }
.nr-ans input:focus { outline: none; border-color: var(--accent); }
.nr-dense.no .nr-ans input { border-color: var(--bad); }

.nr-total {
  display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 8px;
  padding: 10px 12px; border: 2px solid var(--line-2); background: var(--bg-2); box-shadow: var(--nr-hard);
  font: 400 10px/1.4 var(--pixel-ui); color: var(--muted);
}
.nr-total b { font-weight: 400; font-size: 14px; color: var(--text); }
.nr-total.good b { color: var(--good); }
.nr-total small { font-size: 10px; color: var(--text-2); }
.nr-nextnet { align-self: flex-end; }

/* ---------- mensagens e nota ---------- */

.nr-msgs { display: flex; flex-direction: column; gap: 10px; }
.nr-msgs:empty { display: none; }
.nr-pts { font: 400 10px var(--pixel-ui); color: var(--good); white-space: nowrap; }
.nr-note { display: flex; gap: 8px; align-items: flex-start; margin: 0; font-size: 12.5px; line-height: 1.5; color: var(--muted); }
.nr-note .icon { flex: none; width: 12px; height: 12px; margin-top: 3px; color: var(--accent); }
.nr-note code { font: 400 11.5px var(--mono); color: var(--text-2); }

/* ---------- celular: o que se mexe fica logo abaixo do diagrama ----------
   As duas colunas viram uma pilha só: título e objetivo, diagrama, lote,
   controles e só depois a fórmula, sem o texto da fase no meio. */

@media (max-width: 920px) {
  .nr .sg-body { display: flex; flex-direction: column; align-items: stretch; gap: 12px; }
  .nr .sg-body > *, .nr .sg-main > *, .nr .sg-ctrl > * { min-width: 0; max-width: 100%; }
  .nr .sg-main, .nr .sg-ctrl { display: contents; }
  .nr .sg-head { order: 0; }
  .nr .sg-goal { order: 1; }
  .nr-toolbar { order: 2; }
  .nr-canvas { order: 3; }
  .nr-lot { order: 4; }
  .nr-sliders, .nr-builder { order: 5; }
  .nr-run { order: 6; }
  .nr-msgs { order: 7; }
  .nr .sg-stats { order: 8; }
  .nr .sg-actions { order: 9; }
  .nr .sg-caption { order: 10; }
  .nr-formula { order: 11; }
  .nr-note { order: 12; }
}

@media (max-width: 640px) {
  .nr-canvas { height: auto; }
  .nr-legend { font-size: 9px; gap: 4px 10px; }
  .nr-lot { gap: 4px; }
  .nr-ap { min-height: 36px; padding: 5px 1px 4px; }
  .nr-ap small { font-size: 7px; }
  .nr-sliders .sg-slider { grid-template-columns: 92px minmax(0, 1fr) 46px; gap: 8px; }
  .nr-dense { margin-left: 14px; padding-left: 12px; }
  .nr .sg-stats { gap: 6px; }
  .nr .sg-stats div { padding: 8px; }
  .nr .sg-caption { font-size: 10px; }
}