@import url("https://fonts.googleapis.com/css2?family=Orbitron:wght@500;600;700&family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,600;1,9..40,400&display=swap");

:root {
  --void: #03050a;
  --glass: rgba(12, 22, 36, 0.65);
  --glass-border: rgba(0, 245, 255, 0.18);
  --cyan: #22d3ee;
  --cyan-dim: #0891b2;
  --magenta: #e879f9;
  --text: #e2e8f0;
  --muted: #64748b;
  --ok: #34d399;
  --warn: #fbbf24;
  --alarm: #f43f5e;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "DM Sans", system-ui, sans-serif;
  background-color: var(--void);
  background-image:
    radial-gradient(ellipse 120% 80% at 50% -20%, rgba(34, 211, 238, 0.12), transparent 50%),
    radial-gradient(ellipse 80% 50% at 100% 100%, rgba(232, 121, 249, 0.06), transparent 45%),
    linear-gradient(180deg, #050a12 0%, var(--void) 40%);
  color: var(--text);
  line-height: 1.45;
}

/* Grade holo */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

.app {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem 0.85rem 2.5rem;
}

/* Falta de comunicação: mantém header/status coloridos e dessatura o restante. */
.app.fut-no-comm .fut-cmd-panel,
.app.fut-no-comm .fut-visor,
.app.fut-no-comm .fut-strip,
.app.fut-no-comm .fut-time,
.app.fut-no-comm .fut-adv {
  filter: grayscale(1) opacity(0.58);
  transition: filter 0.25s ease;
}

/* Cabeçalho */
.fut-header {
  margin-bottom: 0.75rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--glass-border);
}

.fut-header-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.fut-brand {
  flex: 1 1 520px;
}

.fut-brand .eyebrow {
  font-family: "Orbitron", sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  color: var(--cyan);
  text-transform: uppercase;
  margin: 0 0 0.2rem;
}

.fut-brand h1 {
  font-family: "Orbitron", sans-serif;
  font-size: clamp(1.15rem, 4vw, 1.5rem);
  font-weight: 700;
  margin: 0;
  letter-spacing: 0.04em;
  background: linear-gradient(90deg, #fff 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.fut-brand-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.fut-brand-logo {
  width: min(420px, 92vw);
  height: auto;
  display: block;
  opacity: 0.95;
}

.fut-live {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  backdrop-filter: blur(8px);
  font-size: 0.75rem;
  color: var(--muted);
}

.fut-live .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
  box-shadow: 0 0 8px currentColor;
}

.fut-live.ok {
  border-color: rgba(52, 211, 153, 0.4);
  color: var(--ok);
}

.fut-live.ok .dot {
  background: var(--ok);
}

.fut-live.wait .dot {
  background: var(--warn);
  animation: pulse-dot 1.2s ease infinite;
}

.fut-live.off .dot {
  background: var(--alarm);
}

@keyframes pulse-dot {
  50% {
    opacity: 0.35;
  }
}

/* Cartão status */
.fut-status {
  border-radius: 12px;
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  backdrop-filter: blur(12px);
  box-shadow: 0 0 40px rgba(34, 211, 238, 0.06);
}

.fut-status.state-ok {
  border-color: rgba(52, 211, 153, 0.35);
  box-shadow: 0 0 32px rgba(52, 211, 153, 0.08);
}

.fut-status.state-warn {
  border-color: rgba(251, 191, 36, 0.4);
}

.fut-status.state-alarm {
  border-color: rgba(244, 63, 94, 0.5);
  box-shadow: 0 0 28px rgba(244, 63, 94, 0.12);
}

.fut-status .headline {
  font-family: "Orbitron", sans-serif;
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
  letter-spacing: 0.02em;
}

.fut-status .detail {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

/* Estado do sistema — destaque central (normal / falha) */
.fut-status.fut-status--hero {
  text-align: center;
  padding: 1.15rem 1.25rem 1.25rem;
}

.fut-status.fut-status--hero .headline {
  font-size: clamp(1.05rem, 3.8vw, 1.4rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.25;
}

.fut-status.fut-status--hero .detail {
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.45;
}

/* Comandos (MQTT → PIC via ponte) */
.fut-cmd-panel {
  margin-bottom: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: rgba(8, 15, 28, 0.55);
}

.fut-cmd-title {
  font-family: "Orbitron", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-dim);
  margin: 0 0 0.65rem;
  font-weight: 600;
}

.fut-cmd-grid {
  display: grid;
  gap: 0.5rem;
}

.fut-cmd-grid-main {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
  container-type: inline-size;
  container-name: cmd-main;
}

@media (max-width: 519px) {
  /* Linha 1: seleção função | seleção bomba. Linha 2: liga | desliga.
     Mesma grade 2×2 e largura de célula para escala horizontal uniforme. */
  .fut-cmd-grid-main {
    align-items: start;
  }

  .fut-cmd-grid-main .fut-cmd-btn-figma {
    box-sizing: border-box;
    min-height: 0;
    height: auto;
    width: 100%;
    max-width: 100%;
    justify-self: stretch;
  }

  .fut-cmd-grid-main .fut-cmd-btn-mode {
    grid-column: 1;
    grid-row: 1;
    aspect-ratio: 71 / 50;
  }

  .fut-cmd-grid-main .fut-cmd-btn-bomba {
    grid-column: 2;
    grid-row: 1;
    aspect-ratio: 71 / 50;
  }

  /* Liga/desliga: metade da célula, centralizados, proporção do SVG */
  .fut-cmd-grid-main .fut-cmd-btn-liga {
    grid-column: 1;
    grid-row: 2;
    min-height: 0;
    aspect-ratio: 30 / 46;
    width: 50%;
    max-width: 50%;
    justify-self: center;
  }

  .fut-cmd-grid-main .fut-cmd-btn-desliga {
    grid-column: 2;
    grid-row: 2;
    min-height: 0;
    aspect-ratio: 30 / 46;
    width: 50%;
    max-width: 50%;
    justify-self: center;
  }

}

@media (min-width: 520px) {
  .fut-cmd-grid-main {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
  }

  /*
   * Altura de LIGA/DESLIGA = altura do botão «Seleção bomba» (71×50 na mesma largura de coluna).
   * Largura do SVG = altura × (30/46). Evita só max-height + aspect-ratio (ficava minúsculo).
   */
  .fut-cmd-grid-main .fut-cmd-btn-liga,
  .fut-cmd-grid-main .fut-cmd-btn-desliga {
    box-sizing: border-box;
    min-height: 0;
    justify-self: center;
    width: calc((100cqi - 3 * 0.5rem) / 4 * 50 / 71 * 30 / 46);
    height: calc((100cqi - 3 * 0.5rem) / 4 * 50 / 71);
    max-width: 100%;
  }
}

.fut-cmd-grid-main .fut-cmd-btn-liga .fut-cmd-btn-liga-asset,
.fut-cmd-grid-main .fut-cmd-btn-desliga .fut-cmd-btn-desliga-asset {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: contain;
}

.fut-cmd-btn {
  font-family: "Orbitron", sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  padding: 0.55rem 0.4rem;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  background: rgba(34, 211, 238, 0.08);
  color: var(--cyan);
  cursor: pointer;
  line-height: 1.2;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.fut-cmd-btn:hover:not(:disabled) {
  background: rgba(34, 211, 238, 0.16);
  border-color: rgba(34, 211, 238, 0.35);
}

.fut-cmd-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.fut-cmd-btn-figma {
  min-height: 128px;
  padding: 0.65rem 0.35rem 0.7rem;
  border-width: 6px;
  border-radius: 14px;
  background: #ffffff;
  color: #0b1220;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
}

.fut-cmd-btn-figma:hover:not(:disabled) {
  background: #f8fafc;
}

.fut-cmd-btn-figma .fut-cmd-figma-title {
  font-family: "DM Sans", system-ui, sans-serif;
  font-size: 0.62rem;
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: 0.045em;
  text-align: center;
  text-transform: uppercase;
  color: #0b1220;
}

.fut-cmd-btn-bomba {
  position: relative;
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 14px;
  background: transparent;
  overflow: hidden;
  justify-content: center;
}

.fut-cmd-btn-bomba:hover:not(:disabled) {
  background: transparent;
  border-color: transparent;
}

.fut-cmd-btn-bomba-wrap {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 71 / 50;
}

.fut-cmd-btn-bomba-asset {
  display: block;
  width: 100%;
  height: 100%;
}

.fut-cmd-bomba-sel {
  fill: #282727;
  stroke: transparent;
  stroke-width: 0;
  transition: stroke 0.15s ease, stroke-width 0.15s ease, filter 0.15s ease;
}

.fut-cmd-bomba-sel.is-selected {
  stroke: #66ff9a;
  stroke-width: 1.8;
  filter:
    drop-shadow(0 0 1px rgba(102, 255, 154, 0.48))
    drop-shadow(0 0 3px rgba(102, 255, 154, 0.45))
    drop-shadow(0 0 5px rgba(102, 255, 154, 0.38));
}

.fut-cmd-bomba-led {
  fill: #606060;
  transition: fill 0.15s ease, filter 0.15s ease;
}

.fut-cmd-bomba-led.is-running {
  fill: #ff2b2b;
  filter:
    drop-shadow(0 0 1px rgba(255, 48, 48, 0.48))
    drop-shadow(0 0 3px rgba(255, 53, 53, 0.41));
}

.fut-cmd-btn-mode {
  position: relative;
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 14px;
  background: transparent;
  overflow: hidden;
  justify-content: center;
}

.fut-cmd-btn-mode:hover:not(:disabled) {
  background: transparent;
  border-color: transparent;
}

.fut-cmd-btn-mode-wrap {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 71 / 50;
}

.fut-cmd-btn-mode-asset {
  display: block;
  width: 100%;
  height: 100%;
}

.fut-cmd-mode-led {
  position: absolute;
  left: 8.45%;
  width: 7.04%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  pointer-events: none;
  background: transparent;
  box-shadow: none;
  transition: background-color 0.15s ease, box-shadow 0.15s ease;
}

/* Alinhado aos círculos do Botao_modo.svg (viewBox 0 0 71 50) */
.fut-cmd-mode-led-0 {
  top: 12%;
}

.fut-cmd-mode-led-1 {
  top: 42%;
}

.fut-cmd-mode-led-2 {
  top: 72%;
}

.fut-cmd-mode-led.is-on {
  background: #22e55f;
  box-shadow:
    0 0 0 1px rgba(20, 216, 88, 0.55),
    0 0 10px rgba(34, 229, 95, 0.72);
}

.fut-cmd-btn-liga {
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 14px;
  background: transparent;
  overflow: hidden;
  justify-content: center;
}

.fut-cmd-btn-liga .fut-cmd-btn-liga-asset {
  display: block;
  max-width: 100%;
  height: 100%;
  width: auto;
}

.fut-cmd-btn-desliga {
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 14px;
  background: transparent;
  overflow: hidden;
  justify-content: center;
}

.fut-cmd-btn-desliga .fut-cmd-btn-desliga-asset {
  display: block;
  max-width: 100%;
  height: 100%;
  width: auto;
}

.fut-cmd-btn-desliga:hover:not(:disabled) {
  background: transparent;
  border-color: transparent;
}

.fut-cmd-btn-liga:hover:not(:disabled) {
  background: transparent;
  border-color: transparent;
}

.fut-cmd-btn-liga:hover:not(:disabled) .fut-cmd-btn-liga-asset {
  filter: brightness(1.03);
}

.fut-cmd-btn-liga:active:not(:disabled) .fut-cmd-btn-liga-asset {
  filter: brightness(0.98);
}

.fut-cmd-btn-bomba:hover:not(:disabled) .fut-cmd-btn-bomba-asset {
  filter: brightness(1.03);
}

.fut-cmd-btn-bomba:active:not(:disabled) .fut-cmd-btn-bomba-asset {
  filter: brightness(0.98);
}

.fut-cmd-btn-desliga:hover:not(:disabled) .fut-cmd-btn-desliga-asset {
  filter: brightness(1.03);
}

.fut-cmd-btn-desliga:active:not(:disabled) .fut-cmd-btn-desliga-asset {
  filter: brightness(0.98);
}

.fut-cmd-figma-icon {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: inline-block;
  position: relative;
}

.fut-cmd-figma-icon-ring {
  border: 5px solid #2563eb;
  background: transparent;
}

.fut-cmd-figma-icon-liga {
  border: 5px solid #22c55e;
  background: #22e55f;
}

.fut-cmd-figma-icon-liga::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 7px;
  height: 28px;
  border-radius: 8px;
  transform: translate(-50%, -50%);
  background: #ffffff;
}

.fut-cmd-figma-icon-desliga {
  border: 5px solid #ef4444;
  background: transparent;
}

.fut-cmd-figma-icon-desliga::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: #ff0000;
}

.fut-cmd-btn-figma:focus-visible {
  outline: 2px solid rgba(34, 211, 238, 0.75);
  outline-offset: 2px;
}

.fut-cmd-feedback {
  margin: 0.65rem 0 0;
  min-height: 1.25rem;
  font-size: 0.78rem;
  color: var(--text);
}

/* Visor P&ID */
.fut-visor {
  position: relative;
  border-radius: 14px;
  border: 1px solid var(--glass-border);
  background: linear-gradient(165deg, rgba(8, 15, 28, 0.92) 0%, rgba(3, 8, 16, 0.95) 100%);
  padding: 0.6rem;
  margin-bottom: 1rem;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 12px 40px rgba(0, 0, 0, 0.45);
}

.fut-visor::before,
.fut-visor::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border: 2px solid var(--cyan-dim);
  opacity: 0.5;
  pointer-events: none;
}

.fut-visor::before {
  top: 8px;
  left: 8px;
  border-right: none;
  border-bottom: none;
}

.fut-visor::after {
  bottom: 8px;
  right: 8px;
  border-left: none;
  border-top: none;
}

.fut-mimic-svg {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 0 20px rgba(34, 211, 238, 0.08));
}

.fut-visor-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
  margin-top: 0.55rem;
  padding-top: 0.55rem;
  border-top: 1px solid rgba(34, 211, 238, 0.14);
}

/* Fluxo animado */
.fut-mimic-svg .fut-flow {
  opacity: 0;
  transition: opacity 0.35s ease;
}

.fut-mimic-svg .fut-flow.fut-flow-on {
  opacity: 0.95;
  animation: fut-flow-dash 1.1s linear infinite;
}

/* dasharray 10 + 18 = 28 por ciclo visual ao longo do percurso completo */
@keyframes fut-flow-dash {
  to {
    stroke-dashoffset: -28;
  }
}

/* Nível de água — reservatório inferior */
.fut-mimic-svg .fut-water-shimmer {
  transform-box: fill-box;
  animation: fut-water-shimmer-x 2.4s ease-in-out infinite;
}

@keyframes fut-water-shimmer-x {
  0%,
  100% {
    transform: translateX(-5px);
  }
  50% {
    transform: translateX(7px);
  }
}

.fut-mimic-svg #fut-tank-inf-water-wrap.fut-water-sensor-hw-off,
.fut-mimic-svg #fut-tank-sup-water-wrap.fut-water-sensor-hw-off {
  opacity: 0.72;
}

.fut-mimic-svg #fut-tank-inf-water-wrap.fut-water-sensor-hw-off .fut-water-shimmer,
.fut-mimic-svg #fut-tank-sup-water-wrap.fut-water-sensor-hw-off .fut-water-shimmer {
  animation: none;
  opacity: 0.25;
}

.fut-mimic-svg #fut-tank-inf-water-wrap.fut-water-no-sensor,
.fut-mimic-svg #fut-tank-sup-water-wrap.fut-water-no-sensor {
  opacity: 0.55;
}

.fut-mimic-svg #fut-tank-inf-water-wrap.fut-water-invalid-sensor,
.fut-mimic-svg #fut-tank-sup-water-wrap.fut-water-invalid-sensor {
  opacity: 0.88;
}

.fut-mimic-svg #fut-tank-inf-water-wrap.fut-water-level-low .fut-water-shimmer,
.fut-mimic-svg #fut-tank-sup-water-wrap.fut-water-level-low .fut-water-shimmer {
  opacity: 0.55;
}

.fut-mimic-svg #fut-tank-inf-water-wrap.fut-water-no-sensor .fut-water-shimmer,
.fut-mimic-svg #fut-tank-sup-water-wrap.fut-water-no-sensor .fut-water-shimmer {
  animation: none;
}

.fut-mimic-svg path.fut-surface-flow {
  stroke-dasharray: 3 12;
  animation: fut-surface-dash 1.4s linear infinite;
}

/* Oculta a % de nível abaixo dos reservatórios (pedido operacional). */
#fut-tank-inf-nivel-pct-below,
#fut-tank-sup-nivel-pct-below {
  display: none;
}

@keyframes fut-surface-dash {
  to {
    stroke-dashoffset: -30;
  }
}

/* Fases — círculo */
.fut-phases {
  display: flex;
  justify-content: center;
  gap: 0.65rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.fut-phase {
  width: 35.2px;
  height: 35.2px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Orbitron", sans-serif;
  font-size: 0.52rem;
  font-weight: 700;
  border: 2px solid rgba(100, 116, 139, 0.5);
  background: rgba(15, 23, 42, 0.8);
  color: var(--muted);
}

.fut-phase.ok {
  border-color: rgba(52, 211, 153, 0.7);
  color: var(--ok);
  box-shadow: 0 0 16px rgba(52, 211, 153, 0.2);
}

.fut-phase.bad {
  border-color: rgba(244, 63, 94, 0.7);
  color: var(--alarm);
  box-shadow: 0 0 14px rgba(244, 63, 94, 0.2);
}

/* Faixa operação */
.fut-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.5rem 1rem;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: rgba(8, 15, 28, 0.5);
  font-size: 0.78rem;
  margin-bottom: 1rem;
}

.fut-strip span {
  display: block;
  color: var(--muted);
}

.fut-strip strong {
  display: block;
  color: var(--cyan);
  font-family: "Orbitron", sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  margin-bottom: 0.15rem;
  font-weight: 600;
}

.fut-strip .val {
  color: var(--text);
  font-weight: 600;
}

.fut-strip .val.val-mono {
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 0.7rem;
  font-weight: 500;
  line-height: 1.35;
  word-break: break-word;
}

.fut-strip-test .val {
  color: var(--magenta);
}

.fut-strip .val.fut-strip-nivel-alarm {
  color: var(--alarm);
  font-weight: 700;
}

.fut-strip .val.fut-strip-nivel-hw-off {
  color: #fb923c;
  font-weight: 700;
}

.fut-time {
  text-align: center;
  font-size: 0.72rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

details.fut-adv {
  font-size: 0.72rem;
  color: var(--muted);
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: rgba(8, 15, 28, 0.35);
  padding: 0.5rem 0.75rem;
}

details.fut-adv summary {
  cursor: pointer;
  user-select: none;
  font-family: "Orbitron", sans-serif;
  letter-spacing: 0.08em;
  list-style: none;
}

details.fut-adv summary::-webkit-details-marker {
  display: none;
}

.fut-conn-summary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.fut-conn-summary::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--muted);
  box-shadow: 0 0 8px currentColor;
  flex-shrink: 0;
}

details.fut-adv.conn-dot-ok .fut-conn-summary::before {
  background: var(--ok);
  color: var(--ok);
}

details.fut-adv.conn-dot-wait .fut-conn-summary::before {
  background: var(--warn);
  color: var(--warn);
  animation: pulse-dot 1.2s ease infinite;
}

details.fut-adv.conn-dot-off .fut-conn-summary::before {
  background: var(--alarm);
  color: var(--alarm);
}

.fut-conn-summary-label {
  color: var(--cyan);
}

.fut-conn-body {
  margin-top: 0.75rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--glass-border);
}

.fut-conn-section {
  margin-bottom: 1rem;
}

.fut-conn-section:last-of-type {
  margin-bottom: 0.35rem;
}

.fut-conn-h {
  font-family: "Orbitron", sans-serif;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan-dim);
  margin: 0 0 0.45rem;
  font-weight: 600;
}

.fut-conn-dl {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 38%) 1fr;
  gap: 0.35rem 0.75rem;
  align-items: baseline;
  font-size: 0.78rem;
}

.fut-conn-dl dt {
  margin: 0;
  color: var(--muted);
  font-weight: 500;
}

.fut-conn-dl dd {
  margin: 0;
  color: var(--text);
  font-weight: 600;
  word-break: break-word;
}

.fut-conn-hint {
  margin: 0.5rem 0 0;
  font-size: 0.68rem;
  color: var(--muted);
  line-height: 1.4;
}

.fut-adv-grid {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.65rem;
}

.fut-adv-grid label {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.fut-adv-grid input {
  font: inherit;
  padding: 0.4rem 0.55rem;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  background: rgba(3, 8, 16, 0.8);
  color: var(--text);
}

#panel-serial:read-only {
  opacity: 0.88;
  cursor: default;
}

.fut-adv-grid button {
  font-family: "Orbitron", sans-serif;
  margin-top: 0.35rem;
  padding: 0.5rem;
  border-radius: 8px;
  border: 1px solid var(--cyan-dim);
  background: rgba(34, 211, 238, 0.12);
  color: var(--cyan);
  cursor: pointer;
}

.fut-err {
  display: none;
  margin-top: 0.5rem;
  padding: 0.5rem;
  border-radius: 8px;
  background: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.35);
  color: var(--alarm);
  font-size: 0.75rem;
}

.fut-err.show {
  display: block;
}

/* Login Netlify (auth-gate.js) */
.auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(3, 5, 10, 0.88);
  backdrop-filter: blur(8px);
}

.auth-overlay[hidden] {
  display: none;
}

.auth-card {
  width: 100%;
  max-width: 22rem;
  padding: 1.35rem 1.25rem 1.25rem;
  border-radius: 14px;
  border: 1px solid var(--glass-border);
  background: rgba(8, 15, 28, 0.92);
  box-shadow: 0 0 24px rgba(34, 211, 238, 0.12);
}

.auth-card-title {
  margin: 0 0 0.35rem;
  font-family: "Orbitron", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.auth-card-hint {
  margin: 0 0 1rem;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.4;
}

.auth-card-hint a {
  color: var(--cyan);
  text-decoration: none;
  white-space: nowrap;
}

.auth-card-hint a:hover {
  text-decoration: underline;
}

.auth-label {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
  color: var(--text);
}

.auth-label input {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  font: inherit;
  padding: 0.45rem 0.55rem;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  background: rgba(3, 8, 16, 0.85);
  color: var(--text);
}

.auth-err {
  min-height: 1.25rem;
  margin: 0 0 0.65rem;
  font-size: 0.78rem;
  color: var(--alarm);
}

.auth-submit {
  width: 100%;
  margin-top: 0.15rem;
  padding: 0.55rem;
  font-family: "Orbitron", sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  border-radius: 8px;
  border: 1px solid var(--cyan-dim);
  background: rgba(34, 211, 238, 0.18);
  color: var(--cyan);
  cursor: pointer;
}

.auth-submit:hover {
  background: rgba(34, 211, 238, 0.28);
}