/* =========================
   TOPO
========================= */

.controle-topo {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}

.controle-topo-texto {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.status-conexao {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.status-conexao .leds {
  flex-direction: column;
  gap: 10px;
}

/* LED vermelho quando o alerta estiver ativo */
.led.alerta::before {
  background: var(--led-alerta);
  box-shadow: 0 0 7px var(--led-alerta);
}

.led.offline::before {
  background: var(--led-apagado);
  box-shadow: none;
}

.status-nota {
  font-size: 0.875rem;
  color: var(--painel-suave);
}

/* =========================
   LEITURAS
========================= */

.leituras {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.leitura {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.lcd-leitura {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 8px;
  font-size: clamp(2.4rem, 4.4vw, 3.4rem);
  line-height: 1.1;
}

.lcd-leitura small {
  font-size: 0.45em;
  opacity: 0.85;
}

.lcd-hora {
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  padding-block: 20px;
}

.leitura-alvo {
  font-size: 0.9rem;
  color: var(--painel-suave);
}

.leitura-alvo span {
  font-family: var(--f-lcd);
  color: var(--painel-texto);
}

/* =========================
   AJUSTES + ATUADORES
========================= */

.controle-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.ajustes-caixa {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 28px 26px;
}

.campo {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.campo label,
.campo-rotulo {
  font-family: var(--f-titulo);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--texto-suave);
}

.entrada {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--painel-borda);
  border-radius: 4px;
  background: var(--lcd-fundo);
  color: var(--ambar);
  font-family: var(--f-lcd);
  font-size: 1rem;
}

.ajuste {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 52px;
  gap: 10px;
  align-items: stretch;
}

.ajuste-btn {
  padding: 0;
  font-size: 1.6rem;
  line-height: 1;
}

.ajuste-valor {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 1.6rem;
  padding-block: 8px;
}

/* Seletor Automático / Manual */
.modo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1.5px solid var(--painel-borda);
  border-radius: 4px;
  overflow: hidden;
  background: var(--painel);
}

.modo-btn {
  padding: 11px 12px;
  border: 0;
  background: transparent;
  color: var(--painel-suave);
  font-family: var(--f-titulo);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
}

.modo-btn:hover {
  color: var(--painel-texto);
}

.modo-btn.ativo {
  background: var(--ambar);
  color: #23272B;
}

.acoes {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Parada de emergência: contorno vermelho */
#btn-parada {
  border-color: var(--led-alerta);
  color: var(--led-alerta);
}

#btn-parada:hover {
  background: var(--led-alerta);
  color: #fff;
}

/* =========================
   ATUADORES
========================= */

.rele-lista {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  background: var(--chapa);
  border: 1px solid var(--chapa-borda);
  border-radius: var(--raio);
}

.rele {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 18px 22px;
}

.rele + .rele {
  border-top: 1px solid var(--chapa-borda);
}

.rele-texto p {
  font-size: 0.9rem;
  color: var(--texto-suave);
}

/* Chave liga/desliga */
.chave {
  position: relative;
  width: 58px;
  height: 30px;
  padding: 0;
  border: 1px solid var(--painel-borda);
  border-radius: 999px;
  background: var(--painel);
  cursor: pointer;
  transition: background-color 0.2s;
}

.chave span {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--painel-suave);
  transition: transform 0.25s, background-color 0.2s, box-shadow 0.2s;
}

.chave[aria-checked="true"] span {
  transform: translateX(28px);
  background: var(--led-ok);
  box-shadow: 0 0 8px var(--led-ok);
}

.chave:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* =========================
   REGISTRO
========================= */

.registro {
  height: 220px;
  overflow-y: auto;
  font-size: 0.95rem;
  padding: 16px 18px;
}

.registro div {
  white-space: pre-wrap;
}

/* =========================
   RESPONSIVO
========================= */

@media (max-width: 900px) {
  .controle-topo,
  .controle-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }

  .leituras {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 560px) {
  .ajustes-caixa {
    padding: 22px 16px;
  }

  .rele {
    padding: 16px;
    gap: 14px;
  }

  .acoes .btn {
    width: 100%;
  }
}