/* =========================================================
   Panel IoT · paleta azul/negro
   ========================================================= */
:root {
  --bg: #04070d;
  --bg-soft: #070c15;
  --panel: #0b1320;
  --panel-2: #0e1826;
  --panel-3: #132132;
  --line: #1a2a3f;
  --line-strong: #263c57;
  --text: #eaf2ff;
  --muted: #93a7c2;
  --faint: #61758f;
  --blue: #2f7bff;
  --blue-bright: #4d9bff;
  --cyan: #22d3ee;
  --cyan-soft: #7deefb;
  --red: #ff647c;
  --amber: #ffb020;
  --radius: 18px;
  --radius-sm: 12px;
  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 8% -10%, rgba(47, 123, 255, 0.16), transparent 38rem),
    radial-gradient(circle at 96% 18%, rgba(34, 211, 238, 0.08), transparent 34rem),
    linear-gradient(180deg, #04070d 0%, #050a12 42%, #04070d 100%);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.32;
  background-image:
    linear-gradient(rgba(80, 130, 200, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(80, 130, 200, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, black, transparent 72%);
}

[hidden] {
  display: none !important;
}

a {
  color: var(--blue-bright);
}

button,
input,
select {
  font: inherit;
}

button {
  color: inherit;
}

::selection {
  background: rgba(47, 123, 255, 0.35);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page-glow {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 60% 34% at 50% -8%, rgba(47, 123, 255, 0.12), transparent),
    radial-gradient(circle at 82% 78%, rgba(34, 211, 238, 0.045), transparent 24rem);
}

/* Iconos: el trazo se controla desde CSS para mantener CSP estricta. */
.icon {
  display: block;
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-fill {
  fill: currentColor;
  stroke: none;
}

/* =========================================================
   Barra superior
   ========================================================= */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(38, 60, 87, 0.62);
  background: rgba(4, 7, 13, 0.82);
  backdrop-filter: blur(18px);
}

.topbar-inner {
  display: flex;
  align-items: center;
  gap: 26px;
  width: 100%;
  max-width: 1500px;
  height: 68px;
  margin: 0 auto;
  padding: 0 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  flex: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(77, 155, 255, 0.3);
  border-radius: 11px;
  color: var(--cyan);
  background:
    linear-gradient(145deg, rgba(47, 123, 255, 0.22), rgba(34, 211, 238, 0.04)),
    #0a1220;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 0 24px rgba(47, 123, 255, 0.14);
}

.icon--brand {
  width: 24px;
  height: 24px;
  stroke-width: 1.55;
}

.brand-node {
  fill: var(--cyan);
  stroke: none;
}

.brand-name {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.brand-name span {
  color: var(--blue-bright);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 3px;
  margin: 0 auto;
}

.nav-link {
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: 9px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition:
    color 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.035);
}

.nav-link.is-active {
  color: var(--text);
  border-color: var(--line);
  background: var(--panel-3);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.topbar-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: auto;
  flex: none;
}

.clock {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
}

.clock .icon {
  width: 15px;
  height: 15px;
  stroke-width: 1.6;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 230px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(14, 24, 38, 0.7);
  font-size: 11.5px;
  font-weight: 500;
  white-space: nowrap;
}

.status-dot {
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 10px currentColor;
}

.status-pill[data-state="connected"] {
  border-color: rgba(34, 211, 238, 0.32);
  color: var(--cyan-soft);
  background: rgba(34, 211, 238, 0.07);
}

.status-pill[data-state="connecting"],
.status-pill[data-state="reconnecting"] {
  border-color: rgba(255, 176, 32, 0.3);
  color: #ffd07a;
  background: rgba(255, 176, 32, 0.06);
}

.status-pill[data-state="connecting"] .status-dot,
.status-pill[data-state="reconnecting"] .status-dot {
  animation: status-pulse 1.8s ease-in-out infinite;
}

.status-pill[data-state="disconnected"] {
  border-color: rgba(255, 100, 124, 0.35);
  color: #ff9cac;
  background: rgba(255, 100, 124, 0.07);
}

@keyframes status-pulse {
  0%,
  100% {
    opacity: 0.45;
    transform: scale(0.82);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

/* =========================================================
   Contenedor y cabecera de página
   ========================================================= */
.shell {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 28px 28px;
}

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 30px 0 22px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--blue-bright);
  font-size: 10.5px;
  font-weight: 650;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 0 10px rgba(34, 211, 238, 0.7);
}

.page-head h1 {
  margin: 10px 0 6px;
  font-size: clamp(27px, 3vw, 35px);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.page-sub {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  max-width: 68ch;
}

.head-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding-bottom: 2px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(14, 24, 38, 0.66);
  font-size: 11px;
  font-weight: 550;
}

.chip .icon {
  width: 14px;
  height: 14px;
  color: var(--blue-bright);
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--muted);
  background: rgba(14, 24, 38, 0.66);
  cursor: pointer;
  transition:
    color 160ms ease,
    border-color 160ms ease,
    background 160ms ease,
    transform 160ms ease;
}

.icon-btn:hover {
  color: var(--text);
  border-color: rgba(47, 123, 255, 0.42);
  background: rgba(47, 123, 255, 0.12);
}

.icon-btn:active {
  transform: translateY(1px);
}

.icon-btn .icon {
  width: 17px;
  height: 17px;
}

.icon-btn.is-spinning .icon {
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* =========================================================
   Avisos
   ========================================================= */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  margin-bottom: 18px;
  padding: 13px 14px;
  border: 1px solid rgba(255, 176, 32, 0.34);
  border-radius: 14px;
  background:
    linear-gradient(90deg, rgba(255, 176, 32, 0.09), rgba(255, 176, 32, 0.025)),
    var(--panel);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

.alert[data-type="error"] {
  border-color: rgba(255, 100, 124, 0.38);
  background:
    linear-gradient(90deg, rgba(255, 100, 124, 0.1), rgba(255, 100, 124, 0.025)),
    var(--panel);
}

.alert-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: none;
  border-radius: 9px;
  color: var(--amber);
  background: rgba(255, 176, 32, 0.1);
}

.alert[data-type="error"] .alert-icon {
  color: var(--red);
  background: rgba(255, 100, 124, 0.1);
}

.alert-icon .icon {
  width: 18px;
  height: 18px;
}

.alert-copy {
  flex: 1;
  min-width: 0;
}

.alert-copy strong {
  display: block;
  font-size: 13px;
  font-weight: 650;
}

.alert-copy p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.alert-dismiss {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  flex: none;
  padding: 0;
  border: 0;
  border-radius: 8px;
  color: var(--faint);
  background: transparent;
  cursor: pointer;
}

.alert-dismiss:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.alert-dismiss .icon {
  width: 15px;
  height: 15px;
}

/* =========================================================
   Rejilla y tarjetas
   ========================================================= */
.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}

.card {
  position: relative;
  overflow: hidden;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.022), transparent 34%),
    var(--panel);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.028),
    0 18px 44px rgba(0, 0, 0, 0.16);
  transition: border-color 220ms ease, box-shadow 220ms ease;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0 18% auto;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(77, 155, 255, 0.26), transparent);
}

.card:hover {
  border-color: rgba(47, 123, 255, 0.24);
}

.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.card-title {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.icon-tile {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: none;
  border: 1px solid rgba(47, 123, 255, 0.22);
  border-radius: 11px;
  color: var(--blue-bright);
  background:
    linear-gradient(150deg, rgba(47, 123, 255, 0.17), rgba(34, 211, 238, 0.04)),
    #0a1422;
}

.icon-tile .icon {
  width: 19px;
  height: 19px;
}

.icon-tile--sm {
  width: 33px;
  height: 33px;
  border-radius: 9px;
}

.icon-tile--sm .icon {
  width: 16px;
  height: 16px;
}

.card-kicker {
  margin: 0 0 3px;
  color: var(--faint);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.card h2 {
  margin: 0;
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: none;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.025);
  font-size: 10.5px;
  font-weight: 600;
  white-space: nowrap;
}

.badge::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.75;
}

.badge[data-state="live"] {
  border-color: rgba(34, 211, 238, 0.3);
  color: var(--cyan-soft);
  background: rgba(34, 211, 238, 0.06);
}

.badge[data-state="pending"] {
  border-color: rgba(47, 123, 255, 0.34);
  color: var(--blue-bright);
  background: rgba(47, 123, 255, 0.08);
}

.badge[data-state="warning"] {
  border-color: rgba(255, 176, 32, 0.34);
  color: #ffd07a;
  background: rgba(255, 176, 32, 0.06);
}

.badge[data-state="error"] {
  border-color: rgba(255, 100, 124, 0.34);
  color: #ff9cac;
  background: rgba(255, 100, 124, 0.07);
}

/* Distribución de la rejilla */
.gauge-card {
  grid-column: span 5;
  display: flex;
  flex-direction: column;
  min-height: 356px;
}

.metric-stack {
  grid-column: span 7;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.chart-card {
  grid-column: span 8;
  display: flex;
  flex-direction: column;
  min-height: 396px;
}

.led-card {
  grid-column: span 4;
  display: flex;
  flex-direction: column;
  min-height: 396px;
}

.events-card {
  grid-column: span 7;
  display: flex;
  flex-direction: column;
  min-height: 360px;
}

.details-card {
  grid-column: span 5;
}

/* =========================================================
   Medidor
   ========================================================= */
.gauge-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  margin: 4px 0 -2px;
}

.gauge-svg {
  width: min(100%, 360px);
  height: auto;
  overflow: visible;
}

.gauge-track {
  fill: none;
  stroke: #172538;
  stroke-width: 13;
  stroke-linecap: round;
}

.gauge-progress {
  fill: none;
  stroke: url(#gaugeGradient);
  stroke-width: 13;
  stroke-linecap: round;
  filter: drop-shadow(0 0 7px rgba(47, 123, 255, 0.55));
  transition: stroke-dasharray 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.gauge-stop-1 {
  stop-color: #1d4ed8;
}

.gauge-stop-2 {
  stop-color: #2f7bff;
}

.gauge-stop-3 {
  stop-color: #22d3ee;
}

.gauge-readout {
  position: absolute;
  left: 50%;
  bottom: 21px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  width: 100%;
  transform: translateX(-50%);
  pointer-events: none;
}

.gauge-number {
  color: #fff;
  font-size: clamp(40px, 4.2vw, 56px);
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.055em;
  line-height: 1;
  text-shadow: 0 0 32px rgba(47, 123, 255, 0.38);
}

.gauge-number.is-empty {
  color: var(--faint);
  text-shadow: none;
}

.gauge-percent {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
}

.gauge-scale {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: -3px;
  padding: 0 18px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
}

.scale-mid {
  color: #465b75;
  font-family: var(--font);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.card-note {
  margin: 14px 0 0;
  color: var(--faint);
  font-size: 10.5px;
  text-align: center;
}

.card-note span {
  color: var(--muted);
}

/* =========================================================
   Tarjetas de métricas
   ========================================================= */
.metric-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
  padding: 18px;
}

.metric-top {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.metric-label {
  color: var(--faint);
  font-size: 10.5px;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.metric-body {
  display: flex;
  align-items: baseline;
  gap: 5px;
  flex-wrap: wrap;
  margin: 18px 0 8px;
}

.metric-body strong {
  font-size: clamp(23px, 2.15vw, 32px);
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.045em;
  line-height: 1;
  overflow-wrap: anywhere;
}

.metric-unit {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 10.5px;
}

.metric-sub {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}

#metricLed {
  color: var(--faint);
  font-size: clamp(19px, 1.7vw, 25px);
  letter-spacing: -0.02em;
}

#metricLedCard[data-state="on"] {
  border-color: rgba(34, 211, 238, 0.28);
}

#metricLedCard[data-state="on"] #metricLed {
  color: var(--cyan-soft);
  text-shadow: 0 0 22px rgba(34, 211, 238, 0.35);
}

#metricLedCard[data-state="off"] #metricLed {
  color: var(--muted);
}

/* =========================================================
   Gráfica
   ========================================================= */
.chart-head {
  align-items: flex-start;
}

.chart-stats {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  flex-wrap: wrap;
}

.chart-stats > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: right;
}

.chart-stats span {
  color: var(--faint);
  font-size: 9px;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.chart-stats strong {
  color: var(--text);
  font-family: var(--mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

.chart-wrap {
  position: relative;
  flex: 1;
  min-height: 232px;
  margin-top: 4px;
}

#chartCanvas {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 232px;
}

.chart-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0;
  color: var(--faint);
  font-size: 12px;
  pointer-events: none;
}

.chart-legend {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 10.5px;
}

.legend-line {
  display: inline-block;
  width: 18px;
  height: 3px;
  margin-right: 7px;
  border-radius: 2px;
  vertical-align: middle;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  box-shadow: 0 0 8px rgba(47, 123, 255, 0.55);
}

/* =========================================================
   Control del LED
   ========================================================= */
.led-card {
  border-color: rgba(47, 123, 255, 0.17);
}

.led-card[data-state="on"] {
  border-color: rgba(34, 211, 238, 0.31);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 0 48px rgba(34, 211, 238, 0.07),
    0 18px 44px rgba(0, 0, 0, 0.18);
}

.led-visual {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 0 16px;
  text-align: center;
}

.led-orb {
  display: grid;
  place-items: center;
  width: 108px;
  height: 108px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 38%, rgba(47, 123, 255, 0.12), rgba(7, 12, 21, 0.7) 68%),
    #080f1a;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  transition:
    border-color 240ms ease,
    box-shadow 240ms ease,
    background 240ms ease;
}

.led-bulb {
  width: 56px;
  height: 56px;
  fill: none;
  stroke: #4b6079;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke 240ms ease, filter 240ms ease;
}

.led-ray {
  opacity: 0;
  transition: opacity 240ms ease;
}

.led-card[data-state="on"] .led-orb {
  border-color: rgba(34, 211, 238, 0.48);
  background:
    radial-gradient(circle at 50% 38%, rgba(34, 211, 238, 0.26), rgba(47, 123, 255, 0.07) 70%),
    #07131d;
  box-shadow:
    0 0 42px rgba(34, 211, 238, 0.22),
    inset 0 0 32px rgba(34, 211, 238, 0.08);
}

.led-card[data-state="on"] .led-bulb {
  stroke: var(--cyan-soft);
  filter: drop-shadow(0 0 8px rgba(34, 211, 238, 0.82));
}

.led-card[data-state="on"] .led-ray {
  opacity: 1;
}

.led-card[data-state="on"] .led-state {
  color: var(--cyan-soft);
}

.led-state {
  margin: 15px 0 4px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.led-sub {
  max-width: 250px;
  min-height: 34px;
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}

.led-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #070e18;
}

.led-option {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 10px;
  border: 0;
  border-radius: 9px;
  color: var(--muted);
  background: transparent;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition:
    color 160ms ease,
    background 160ms ease,
    box-shadow 160ms ease,
    opacity 160ms ease;
}

.led-option:hover:not(:disabled) {
  color: var(--text);
  background: rgba(47, 123, 255, 0.08);
}

.led-option:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.led-option-dot {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: #3d5069;
  transition: background 160ms ease, box-shadow 160ms ease;
}

.led-toggle[data-state="on"] [data-command="ON"] {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), #0f8ed5);
  box-shadow: 0 6px 20px rgba(47, 123, 255, 0.3);
}

.led-toggle[data-state="on"] [data-command="ON"] .led-option-dot {
  background: #c4f8ff;
  box-shadow: 0 0 8px #c4f8ff;
}

.led-toggle[data-state="off"] [data-command="OFF"] {
  color: var(--text);
  background: #1a2738;
  box-shadow: inset 0 0 0 1px var(--line-strong);
}

.led-toggle[data-state="off"] [data-command="OFF"] .led-option-dot {
  background: #9cb0c9;
}

.led-toggle.is-pending {
  opacity: 0.72;
}

.control-hint {
  margin: 12px 0 0;
  color: var(--faint);
  font-size: 10px;
  line-height: 1.5;
  text-align: center;
}

.control-hint--muted {
  margin-top: 4px;
}

.control-hint code {
  padding: 2px 5px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
  font-family: var(--mono);
  font-size: 9.5px;
}

/* =========================================================
   Eventos
   ========================================================= */
.event-list {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 1px;
  max-height: 302px;
  margin: 0;
  padding: 0;
  overflow: auto;
  list-style: none;
  scrollbar-width: thin;
  scrollbar-color: #263c57 transparent;
}

.event-list::-webkit-scrollbar {
  width: 6px;
}

.event-list::-webkit-scrollbar-thumb {
  border-radius: 6px;
  background: #263c57;
}

.event-item {
  display: grid;
  grid-template-columns: 62px 16px minmax(0, 1fr);
  gap: 9px;
  align-items: start;
  padding: 9px 7px;
  border-bottom: 1px solid rgba(26, 42, 63, 0.5);
  border-radius: 7px;
}

.event-item:last-child {
  border-bottom: 0;
}

.event-time {
  padding-top: 2px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
}

.event-dot {
  width: 6px;
  height: 6px;
  margin: 5px auto 0;
  border-radius: 50%;
  background: var(--blue-bright);
  box-shadow: 0 0 0 3px rgba(47, 123, 255, 0.1);
}

.event-item[data-level="success"] .event-dot {
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.1);
}

.event-item[data-level="warn"] .event-dot {
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(255, 176, 32, 0.09);
}

.event-item[data-level="error"] .event-dot {
  background: var(--red);
  box-shadow: 0 0 0 3px rgba(255, 100, 124, 0.09);
}

.event-message {
  margin: 0;
  color: #c4d3e6;
  font-size: 11.5px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.empty-state {
  display: grid;
  flex: 1;
  place-items: center;
  min-height: 140px;
  margin: 0;
  color: var(--faint);
  font-size: 11.5px;
  text-align: center;
}

.text-btn {
  padding: 5px 8px;
  border: 1px solid transparent;
  border-radius: 7px;
  color: var(--muted);
  background: transparent;
  font-size: 10.5px;
  font-weight: 550;
  cursor: pointer;
}

.text-btn:hover {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.03);
}

/* =========================================================
   Detalles y pie
   ========================================================= */
.detail-list {
  display: grid;
  gap: 0;
  margin: 0;
}

.detail-list > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(26, 42, 63, 0.55);
}

.detail-list > div:last-child {
  border-bottom: 0;
}

.detail-list dt {
  flex: none;
  color: var(--faint);
  font-size: 10.5px;
}

.detail-list dd {
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 11px;
  text-align: right;
}

.detail-list dd code {
  padding: 2px 5px;
  border: 1px solid rgba(47, 123, 255, 0.13);
  border-radius: 4px;
  color: var(--blue-bright);
  background: rgba(47, 123, 255, 0.07);
  font-family: var(--mono);
  font-size: 9.5px;
}

.details-note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 10px;
  line-height: 1.5;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 24px;
  padding: 16px 2px 0;
  border-top: 1px solid rgba(26, 42, 63, 0.7);
  color: var(--faint);
  font-size: 10.5px;
}

.footer p {
  margin: 0;
}

/* =========================================================
   Notificaciones
   ========================================================= */
.toast-stack {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 9px;
  width: min(360px, calc(100vw - 32px));
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid rgba(47, 123, 255, 0.3);
  border-radius: 11px;
  color: var(--text);
  background: rgba(11, 19, 32, 0.96);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.4);
  font-size: 11.5px;
  line-height: 1.45;
  backdrop-filter: blur(12px);
  animation: toast-in 220ms ease both;
  pointer-events: auto;
}

.toast::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: none;
  margin-top: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

.toast[data-type="error"] {
  border-color: rgba(255, 100, 124, 0.38);
}

.toast[data-type="error"]::before {
  background: var(--red);
  box-shadow: 0 0 8px var(--red);
}

.toast[data-type="warn"] {
  border-color: rgba(255, 176, 32, 0.34);
}

.toast[data-type="warn"]::before {
  background: var(--amber);
  box-shadow: 0 0 8px var(--amber);
}

.toast.is-leaving {
  animation: toast-out 180ms ease both;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}

@keyframes toast-out {
  to {
    opacity: 0;
    transform: translateY(6px);
  }
}

/* =========================================================
   Página de error y sin JavaScript
   ========================================================= */
.error-page {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  width: min(560px, calc(100% - 36px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 40px 0;
}

.error-card {
  width: 100%;
  margin-top: 28px;
  padding: 30px;
}

.error-code {
  margin: 0 0 6px;
  color: var(--blue-bright);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.16em;
}

.error-card h1 {
  margin: 0 0 10px;
  font-size: 25px;
  letter-spacing: -0.035em;
}

.error-card p {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 13px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border: 1px solid rgba(77, 155, 255, 0.5);
  border-radius: 9px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), #0f8ed5);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 8px 22px rgba(47, 123, 255, 0.24);
}

.btn-primary:hover {
  filter: brightness(1.08);
}

.footer-note {
  margin: 18px 0 0;
  color: var(--faint);
  font-size: 10.5px;
}

.noscript {
  position: fixed;
  right: 16px;
  bottom: 16px;
  left: 16px;
  z-index: 200;
  padding: 14px 18px;
  border: 1px solid rgba(255, 100, 124, 0.4);
  border-radius: 12px;
  color: #ffcbd3;
  background: #1a0d13;
  font-size: 12px;
  text-align: center;
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1180px) {
  .chart-card {
    grid-column: span 7;
  }

  .led-card {
    grid-column: span 5;
  }

  .events-card {
    grid-column: span 7;
  }

  .details-card {
    grid-column: span 5;
  }
}

@media (max-width: 980px) {
  .main-nav {
    display: none;
  }

  .gauge-card,
  .metric-stack,
  .chart-card,
  .events-card,
  .details-card {
    grid-column: span 12;
  }

  .metric-stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .led-card {
    grid-column: span 12;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: 28px;
    align-items: center;
    min-height: auto;
  }

  .led-card .card-head {
    grid-column: 1 / -1;
  }

  .led-visual {
    grid-column: 1;
    padding-bottom: 8px;
  }

  .led-toggle {
    grid-column: 2;
    align-self: end;
    margin-top: 8px;
  }

  .control-hint {
    grid-column: 2;
  }

  .led-card .control-hint--muted {
    grid-column: 2;
  }
}

@media (max-width: 760px) {
  html {
    scroll-padding-top: 80px;
  }

  .topbar-inner {
    gap: 12px;
    height: 60px;
    padding: 0 18px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .brand-name {
    font-size: 17px;
  }

  .clock {
    display: none;
  }

  .status-pill {
    max-width: 190px;
    padding: 6px 10px;
    font-size: 10.5px;
  }

  .shell {
    padding: 0 18px 22px;
  }

  .page-head {
    align-items: flex-start;
    padding: 24px 0 18px;
  }

  .head-actions {
    width: 100%;
  }

  .grid {
    gap: 14px;
  }

  .card {
    padding: 17px;
    border-radius: 15px;
  }

  .metric-stack {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .metric-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 16px;
    row-gap: 4px;
    padding: 15px 16px;
  }

  .metric-top {
    grid-row: span 2;
    flex-direction: row;
    align-items: center;
    gap: 10px;
  }

  .metric-body {
    justify-content: flex-end;
    margin: 0;
  }

  .metric-sub {
    text-align: right;
  }

  .chart-card {
    min-height: 340px;
  }

  .chart-head {
    flex-wrap: wrap;
  }

  .chart-stats {
    width: 100%;
    justify-content: flex-start;
    gap: 22px;
  }

  .chart-stats > div {
    text-align: left;
  }

  .led-card {
    display: flex;
    min-height: 0;
  }

  .led-visual {
    padding-bottom: 12px;
  }

  .led-toggle,
  .control-hint,
  .led-card .control-hint--muted {
    align-self: stretch;
  }

  .control-hint {
    text-align: center;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }
}

@media (max-width: 540px) {
  .status-pill {
    max-width: 46vw;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .page-head h1 {
    font-size: 27px;
  }

  .page-sub {
    font-size: 12px;
  }

  .chip {
    display: none;
  }

  .chart-stats {
    gap: 15px;
  }

  .gauge-readout {
    bottom: 15px;
  }

  .gauge-number {
    font-size: 42px;
  }

  .gauge-scale {
    padding: 0 12px;
  }

  .event-item {
    grid-template-columns: 54px 14px minmax(0, 1fr);
    gap: 7px;
  }

  .event-message {
    font-size: 11px;
  }

  .detail-list > div {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
  }

  .detail-list dd {
    text-align: left;
  }

  .toast-stack {
    right: 16px;
    bottom: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}