:root {
  --bg0: #0c1412;
  --bg1: #13201c;
  --ink: #e8f0ec;
  --muted: #a8bab2;
  --muted-dim: #7a9188;
  --line: rgba(232, 240, 236, 0.12);
  --accent: #c4f082;
  --warn: #f0a35a;
  --danger: #e85d4c;
  --chart: #7ec8a3;
  --fab-size: 3.35rem;
  --font-display: "Fraunces", Georgia, serif;
  --font-ui: "Sora", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  font-family: var(--font-ui);
  background: var(--bg0);
}

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1200px 700px at 15% -10%, rgba(126, 200, 163, 0.18), transparent 55%),
    radial-gradient(900px 600px at 90% 10%, rgba(240, 163, 90, 0.12), transparent 50%),
    linear-gradient(165deg, var(--bg0), var(--bg1) 45%, #0a1010);
}

.bg::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 1.5rem 1rem;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  pointer-events: none;
}

.top .brand,
.top .top-right {
  pointer-events: auto;
}

.top-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.display-toggles {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.55rem;
}

.display-toggle {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: none;
  padding: 0.7rem 0.8rem 0.7rem 0.85rem;
  border-radius: 0.55rem;
  border: 1px solid transparent;
  background: rgba(232, 240, 236, 0.03);
}

.display-toggle::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  bottom: 0.55rem;
  width: 2px;
  border-radius: 999px;
  background: rgba(168, 186, 178, 0.28);
}

.display-toggle.is-on {
  background: rgba(196, 240, 130, 0.07);
  border-color: rgba(196, 240, 130, 0.18);
}

.display-toggle.is-on::before {
  background: var(--accent);
  box-shadow: 0 0 10px rgba(196, 240, 130, 0.45);
}

.display-toggle-label {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.35;
  text-align: left;
  cursor: default;
  flex: 1;
}

.display-toggle.is-on .display-toggle-label {
  color: var(--ink);
}

.pill-switch-wrap {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.pill-switch {
  appearance: none;
  border: 1px solid #2f6fb0;
  background: #4a90d9;
  width: 2.55rem;
  height: 1.35rem;
  border-radius: 999px;
  padding: 0;
  margin: 0;
  cursor: pointer;
  position: relative;
  transition: background 0.18s ease, border-color 0.18s ease;
  vertical-align: middle;
}

.pill-switch[aria-checked="false"] {
  background: #5a6570;
  border-color: #3d4650;
}

.pill-switch-thumb {
  position: absolute;
  top: 50%;
  left: calc(100% - 1.15rem);
  width: 1.05rem;
  height: 1.05rem;
  border-radius: 50%;
  background: #fff;
  transform: translateY(-50%);
  transition: left 0.18s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
  pointer-events: none;
}

.pill-switch[aria-checked="false"] .pill-switch-thumb {
  left: 0.12rem;
}

.pill-switch:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.display-toggle-tip {
  position: absolute;
  top: calc(100% + 0.45rem);
  left: 0;
  right: 0;
  z-index: 40;
  width: auto;
  max-width: none;
  padding: 0.65rem 0.75rem;
  border-radius: 0.45rem;
  background: rgba(12, 18, 22, 0.96);
  border: 1px solid rgba(168, 186, 178, 0.28);
  color: #d7e2dc;
  font-size: 0.72rem;
  line-height: 1.4;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.15s ease, visibility 0.15s ease;
}

.display-toggle:hover .display-toggle-tip,
.display-toggle.is-tip-open .display-toggle-tip {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

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

.settings-fab {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 55;
  width: var(--fab-size);
  height: var(--fab-size);
  border-radius: 50%;
  border: none;
  padding: 0;
  background:
    radial-gradient(circle at 35% 30%, rgba(196, 240, 130, 0.22), transparent 55%),
    linear-gradient(160deg, #1c2c26 0%, #101a17 100%);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow:
    0 12px 30px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(232, 240, 236, 0.08);
  isolation: isolate;
}

.settings-fab-ring {
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: conic-gradient(
    from 210deg,
    transparent 0deg,
    rgba(196, 240, 130, 0.15) 40deg,
    var(--accent) 95deg,
    rgba(126, 200, 163, 0.55) 130deg,
    transparent 170deg,
    transparent 360deg
  );
  opacity: 0.7;
  z-index: -1;
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 1px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 1px));
}

.settings-fab-pulse {
  display: none;
}

.settings-fab-icons {
  position: relative;
  width: 1.45rem;
  height: 1.45rem;
  display: grid;
  place-items: center;
}

.settings-fab-icon {
  grid-area: 1 / 1;
  font-size: 1.4rem;
  line-height: 1;
  transition: opacity 0.25s ease, transform 0.4s cubic-bezier(0.22, 1.2, 0.36, 1);
}

.settings-fab-icon-close {
  opacity: 0;
  transform: scale(0.55);
}

.settings-fab:hover {
  color: var(--accent);
  box-shadow:
    0 16px 34px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(196, 240, 130, 0.18),
    inset 0 1px 0 rgba(232, 240, 236, 0.1);
}

.settings-fab:hover .settings-fab-ring {
  opacity: 1;
}

.settings-fab:hover:not(.is-open) .settings-fab-icon-cog {
  transform: rotate(45deg);
}

.settings-fab:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.settings-fab.is-open {
  color: var(--bg0);
  background:
    radial-gradient(circle at 40% 30%, #e2f7b2, transparent 55%),
    linear-gradient(160deg, var(--accent), #8fbf5a);
  box-shadow:
    0 14px 32px rgba(196, 240, 130, 0.28),
    0 8px 20px rgba(0, 0, 0, 0.35);
}

.settings-fab.is-open .settings-fab-ring {
  opacity: 0;
}

.settings-fab.is-open .settings-fab-icon-cog {
  opacity: 0;
  transform: rotate(90deg) scale(0.5);
}

.settings-fab.is-open .settings-fab-icon-close {
  opacity: 1;
  transform: scale(1);
}

.settings-fab.has-active:not(.is-open) .settings-fab-ring {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .settings-fab-icon {
    transition: none;
  }

  .settings-fab:hover:not(.is-open) .settings-fab-icon-cog,
  .settings-fab.is-open .settings-fab-icon-cog,
  .settings-fab.is-open .settings-fab-icon-close {
    transform: none;
  }
}

.settings-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  background:
    radial-gradient(600px 420px at 100% 100%, rgba(196, 240, 130, 0.08), transparent 55%),
    rgba(4, 8, 7, 0.52);
  backdrop-filter: blur(2px);
}

.settings-panel {
  position: fixed;
  right: 1.25rem;
  bottom: calc(1.25rem + var(--fab-size) + 0.75rem);
  z-index: 56;
  width: min(22.5rem, calc(100vw - 2rem));
  max-height: min(70vh, 30rem);
  overflow: visible;
  padding: 1.05rem 1.05rem 1.15rem;
  border-radius: 1rem;
  border: 1px solid rgba(168, 186, 178, 0.22);
  background:
    linear-gradient(165deg, rgba(28, 42, 36, 0.97), rgba(12, 18, 16, 0.98));
  box-shadow:
    0 22px 50px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(232, 240, 236, 0.06);
}

.settings-panel[hidden],
.settings-backdrop[hidden] {
  display: none !important;
}

.settings-panel-glow {
  position: absolute;
  inset: auto -20% -40% 20%;
  height: 55%;
  background: radial-gradient(ellipse at center, rgba(196, 240, 130, 0.14), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.settings-panel-head,
.display-toggles {
  position: relative;
  z-index: 1;
}

.settings-panel .display-toggle-tip {
  top: auto;
  bottom: calc(100% + 0.4rem);
}

.settings-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.95rem;
}

.settings-panel-head-text {
  min-width: 0;
}

.settings-kicker {
  margin: 0 0 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.settings-panel-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.settings-close {
  appearance: none;
  border: 1px solid rgba(168, 186, 178, 0.18);
  background: rgba(232, 240, 236, 0.04);
  color: var(--muted);
  width: 2rem;
  height: 2rem;
  border-radius: 0.45rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

.settings-close .mdi {
  font-size: 1.2rem;
  line-height: 1;
}

.settings-close:hover {
  color: var(--ink);
  border-color: rgba(196, 240, 130, 0.35);
  background: rgba(196, 240, 130, 0.1);
}

.settings-close:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 0.55rem;
  background:
    linear-gradient(145deg, var(--accent), #4d8f72 60%, #1f3d34);
  box-shadow: 0 0 0 1px rgba(196, 240, 130, 0.25);
  color: #0a1210;
  animation: pulse-mark 2.8s ease-in-out infinite;
}

.brand-mark svg {
  width: 1.25rem;
  height: 1.25rem;
}

@keyframes pulse-mark {
  0%,
  100% {
    transform: scale(1);
    filter: brightness(1);
  }
  50% {
    transform: scale(1.04);
    filter: brightness(1.12);
  }
}

.brand-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.brand-note {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.68rem;
  line-height: 1.4;
  opacity: 0.72;
  white-space: nowrap;
}

.status {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.85rem;
  min-height: 1.35rem;
}

.status #onlineLabel[hidden] {
  display: none;
}

.dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--muted);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.dot.on {
  background: var(--accent);
  box-shadow: 0 0 10px rgba(196, 240, 130, 0.55);
}

.dot.off {
  background: var(--danger);
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.label {
  margin: 0;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 500;
}

.level {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  transition: color 0.35s ease;
}

.level.hot {
  color: var(--warn);
}

.level.over {
  color: var(--danger);
  animation: throb 1.2s ease-in-out infinite;
}

.level.is-uneval {
  color: var(--muted-dim);
  animation: none;
}

@keyframes throb {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.015);
  }
}

.unit {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

.meta {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.derived-label {
  display: block;
  color: var(--muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
  line-height: 1.3;
}

.derived-value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
  transition: color 0.3s ease;
}

.derived-value.over-limit {
  color: var(--danger);
}

.derived-value.under-limit {
  color: var(--chart);
}

.derived-value.is-uneval {
  color: var(--muted-dim);
}

.derived-unit {
  display: block;
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.4;
}

.live-stage {
  position: relative;
  box-sizing: border-box;
  min-height: 100dvh;
  margin: 0;
  padding: 5.5rem 0 4.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  animation: rise 0.7s ease both;
}

.live-b {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
  gap: 2.25rem 3.25rem;
  align-items: stretch;
  margin: 0;
  padding: 0;
  width: 100%;
  max-height: calc(100dvh - 9.5rem);
}

.live-scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 1.35rem;
  transform: translateX(-50%);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  color: var(--muted-dim);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  transition: color 0.25s ease;
}

.live-scroll-hint::after {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  animation: scroll-nudge 1.8s ease-in-out infinite;
}

.live-scroll-hint:hover {
  color: var(--muted);
}

@keyframes scroll-nudge {
  0%,
  100% {
    transform: rotate(45deg) translate(0, 0);
    opacity: 0.55;
  }
  50% {
    transform: rotate(45deg) translate(2px, 2px);
    opacity: 1;
  }
}

.live-b-hero {
  text-align: center;
}

.live-b-hero .label {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
}

.live-b-left .level {
  margin-top: 0.85rem;
  font-size: clamp(4rem, 9vw, 5.75rem);
}

.live-b-left .unit {
  margin-top: 0.5rem;
  font-size: 1.05rem;
}

.live-b-left .meta {
  margin-top: 0.95rem;
}

.live-b-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.65rem 1.85rem;
  margin-top: 2.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
}

.live-b-metric {
  min-width: 0;
  text-align: center;
}

.live-b-right {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.live-b-right .spectrum-bars {
  flex: 1 1 auto;
  justify-content: space-between;
  gap: 0.2rem;
  padding-top: 0;
  min-height: 100%;
}

.live-b-right .s-band {
  flex: 1 1 0;
  grid-template-columns: 3.6rem 1fr 2.8rem;
  gap: 0.55rem;
  min-height: 0;
}

.live-b-right .s-track {
  height: 0.55rem;
}

.live-b-right .s-label,
.live-b-right .s-val {
  font-size: 0.72rem;
}

.history {
  margin: 0;
  padding: 3.25rem 0 0;
  border-top: 1px solid var(--line);
  animation: rise 0.9s ease 0.08s both;
  scroll-margin-top: 1.5rem;
}

.history-head {
  margin: 0 0 1.5rem;
  max-width: 36rem;
}

.section-kicker {
  margin: 0;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.ghost-btn.is-active {
  background: rgba(196, 240, 130, 0.12);
  border-color: rgba(196, 240, 130, 0.65);
}

.ghost-btn {
  appearance: none;
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(196, 240, 130, 0.35);
  border-radius: 0.4rem;
  padding: 0.4rem 0.75rem;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.ghost-btn:hover {
  background: rgba(196, 240, 130, 0.08);
  border-color: rgba(196, 240, 130, 0.55);
}

.spectrum-bars {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.s-band {
  display: grid;
  grid-template-columns: 4.2rem 1fr 3.2rem;
  align-items: center;
  gap: 0.65rem;
}

.s-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  text-align: right;
}

.s-band.lf .s-label {
  color: #b8d4c4;
}

.s-track {
  height: 0.7rem;
  border-radius: 0.2rem;
  background: rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.s-fill {
  height: 100%;
  width: 0;
  border-radius: 0.2rem;
  background: linear-gradient(90deg, #4d8f72, var(--accent));
  transition: width 0.45s ease;
}

.s-band.hot .s-fill {
  background: linear-gradient(90deg, #c4893a, var(--warn));
}

.s-band.empty .s-fill {
  opacity: 0.25;
}

.s-val {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1.15rem 1.35rem;
  margin: 0 0 1.35rem;
}

.controls label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.controls select {
  appearance: none;
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  padding: 0.55rem 0.8rem;
  font-family: var(--font-ui);
  font-size: 0.95rem;
  min-width: 10rem;
}

.controls input[type="date"],
.controls input[type="time"] {
  appearance: auto;
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  padding: 0.55rem 0.65rem;
  font-family: var(--font-ui);
  font-size: 0.95rem;
  color-scheme: dark;
  cursor: pointer;
}

.controls input[type="date"] {
  min-width: 10.5rem;
}

.controls input[type="time"] {
  min-width: 7.25rem;
}

.controls input[type="date"]::-webkit-calendar-picker-indicator,
.controls input[type="time"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: 0.85;
}

.datetime-pair {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.custom-range {
  display: flex;
  flex-wrap: wrap;
  gap: 1.15rem 1.35rem;
}

.custom-range[hidden] {
  display: none;
}

.chart-controls .ghost-btn {
  align-self: flex-end;
  margin-bottom: 0.1rem;
}

.history > .stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem 1rem;
  box-sizing: border-box;
  margin: -0.35rem 0 1.35rem;
  padding: 0.85rem 0 0;
  border-top: 1px solid var(--line);
}

.history > .stats .stat {
  padding: 0;
  border-bottom: none;
}

.history > .stats .stat-label {
  display: block;
  color: var(--muted);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.2rem;
}

.history > .stats .stat-value {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-variant-numeric: tabular-nums;
}

.chart-wrap canvas {
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.chart-wrap canvas.is-dragging {
  cursor: grabbing;
}

.chart-stack {
  position: relative;
}

.chart-excess-strip {
  box-sizing: border-box;
  display: flex;
  align-items: flex-start;
  height: auto;
  margin: 0.15rem 0 0.15rem;
  width: 100%;
}

.chart-excess-y {
  position: relative;
  z-index: 3;
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-sizing: border-box;
  height: 4.5rem;
  margin-top: 0.72rem;
  padding: 0.05rem 0.28rem 0.05rem 0;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  line-height: 1;
  color: var(--muted-dim);
  text-align: right;
  user-select: none;
}

.chart-excess-y span {
  display: block;
}

.chart-excess-plot {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.chart-excess-unit {
  flex: 0 0 auto;
  box-sizing: border-box;
  height: 0.72rem;
  padding: 0 0.75rem 0 0.15rem;
  width: 2.8em;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-align: left;
  user-select: none;
}

.chart-excess-canvas-wrap {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  min-width: 0;
  height: 4.5rem;
  border: 1px solid var(--line);
  border-radius: 0.25rem;
  overflow: hidden;
  background: #0a1010;
}

.chart-excess-canvas-wrap canvas {
  display: block;
  width: 100%;
  height: 4.5rem;
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.chart-excess-canvas-wrap canvas.is-dragging {
  cursor: grabbing;
}

.chart-spec-strip {
  box-sizing: border-box;
  display: flex;
  align-items: flex-start;
  height: auto;
  margin: 0;
  width: 100%;
}

.chart-spec-strip[hidden] {
  display: none;
}

.chart-spec-unavailable {
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0.35rem 0 0;
  padding: 0.85rem 1rem;
  min-height: 3.25rem;
  border: 1px dashed var(--line);
  border-radius: 0.25rem;
  color: var(--muted-dim);
  font-size: 0.78rem;
  line-height: 1.35;
  text-align: center;
  background: rgba(10, 16, 16, 0.35);
}

.chart-spec-unavailable[hidden] {
  display: none;
}

.chart-spec-y {
  position: relative;
  z-index: 3;
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-sizing: border-box;
  height: 18rem;
  margin-top: 0.72rem;
  padding: 0.1rem 0.28rem 0.1rem 0;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  line-height: 1;
  color: var(--muted);
  text-align: right;
  user-select: none;
  overflow: visible;
}

.chart-spec-y span {
  display: block;
  white-space: nowrap;
}

.chart-spec-plot {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.chart-spec-unit {
  flex: 0 0 auto;
  box-sizing: border-box;
  height: 0.72rem;
  padding: 0 0.75rem 0 0.15rem;
  width: 2.4em;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-align: left;
  user-select: none;
}

.chart-spec-canvas-wrap {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  min-width: 0;
  height: 18rem;
  border: 1px solid var(--line);
  border-radius: 0.25rem;
  overflow: hidden;
  background: #0a1010;
}

.chart-spec-bars {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  width: min(48%, 13rem);
  padding: 0;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    rgba(8, 12, 11, 0.72) 0%,
    rgba(8, 12, 11, 0.32) 40%,
    rgba(8, 12, 11, 0) 100%
  );
}

.chart-spec-bars[hidden] {
  display: none;
}

.chart-spec-bar {
  flex: 1 1 0;
  display: flex;
  align-items: center;
  gap: 0.28rem;
  min-height: 0;
  padding: 0 0.75rem 0 0.15rem;
}

.chart-spec-bar-val {
  flex: 0 0 auto;
  width: 2.4em;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  text-align: left;
  color: var(--ink);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.85);
  white-space: nowrap;
}

.chart-spec-bar.is-hot .chart-spec-bar-val {
  color: var(--warn);
}

.chart-spec-bar-track {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
}

.chart-spec-bar-fill {
  display: block;
  height: 2px;
  width: var(--p, 0%);
  max-width: 100%;
  border-radius: 1px;
  background: linear-gradient(
    90deg,
    rgba(126, 200, 163, 0.25) 0%,
    rgba(196, 240, 130, 0.92) 100%
  );
}

.chart-spec-bar.is-lf .chart-spec-bar-fill {
  background: linear-gradient(
    90deg,
    rgba(126, 200, 163, 0.2) 0%,
    rgba(184, 212, 196, 0.88) 100%
  );
}

.chart-spec-bar.is-hot .chart-spec-bar-fill {
  height: 3px;
  background: linear-gradient(
    90deg,
    rgba(240, 163, 90, 0.28) 0%,
    var(--warn) 100%
  );
}

.chart-spec-canvas-wrap canvas {
  display: block;
  width: 100%;
  height: 18rem;
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.chart-spec-canvas-wrap canvas.is-dragging {
  cursor: grabbing;
}

.chart-axis-labels {
  position: relative;
  box-sizing: border-box;
  height: 1.35rem;
  margin: 0.2rem 0 0.05rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.chart-axis-labels[hidden] {
  display: none;
}

.chart-axis-labels span {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  white-space: nowrap;
}

.chart-crosshair {
  position: absolute;
  top: 0;
  width: 0;
  border-left: 1px solid rgba(232, 240, 236, 0.55);
  pointer-events: none;
  z-index: 6;
  transform: translateX(-0.5px);
}

.chart-crosshair[hidden] {
  display: none;
}

.chart-stack.has-spec #chart {
  margin-bottom: 0.2rem;
}

.chart-wrap {
  position: relative;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.15rem 0 0;
  margin-bottom: 0;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.35rem;
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.chart-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.chart-legend .swatch {
  width: 0.85rem;
  height: 0.55rem;
  border-radius: 0.12rem;
  flex-shrink: 0;
}

.chart-legend .swatch.day {
  background: rgba(126, 200, 163, 0.28);
  box-shadow: inset 0 0 0 1px rgba(126, 200, 163, 0.45);
}

.chart-legend .swatch.night {
  background: rgba(2, 6, 14, 0.85);
  box-shadow: inset 0 0 0 1px rgba(232, 240, 236, 0.18);
}

.chart-legend .swatch.limit {
  background: transparent;
  border-top: 2.5px solid #ff2d95;
  height: 0;
  margin-top: 0.2rem;
}

.chart-legend .swatch.excess {
  background: var(--danger);
  border-radius: 1px;
}

.chart-legend .swatch.aircraft {
  width: auto;
  height: auto;
  background: transparent;
  box-shadow: none;
  color: #c9d6cf;
  font-size: 0.95rem;
  line-height: 1;
}

.aircraft-popup {
  position: absolute;
  z-index: 20;
  min-width: 12.5rem;
  max-width: min(18rem, calc(100% - 1.5rem));
  padding: 0.7rem 0.85rem 0.75rem;
  border-radius: 0.45rem;
  border: 1px solid rgba(232, 240, 236, 0.16);
  background: rgba(10, 16, 22, 0.94);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
  color: var(--text, #e8f0ec);
  font-size: 0.82rem;
  line-height: 1.35;
  pointer-events: auto;
}

.aircraft-popup[hidden] {
  display: none !important;
}

.aircraft-popup-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.6rem;
}

.aircraft-popup-head + .aircraft-popup-grid {
  margin-top: 0.45rem;
}

.aircraft-popup-title {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.aircraft-popup-sub {
  color: var(--muted, #a8bab2);
  font-size: 0.72rem;
  margin-top: 0.15rem;
}

.aircraft-popup-close {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted, #a8bab2);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  padding: 0.05rem;
}

.aircraft-popup-close:hover {
  color: #e8f0ec;
}

.aircraft-popup-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.2rem 0.7rem;
  margin: 0;
}

.aircraft-popup-grid dt {
  margin: 0;
  color: var(--muted, #a8bab2);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.aircraft-popup-grid dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
}

.chart-context {
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.chart-context-rail {
  position: relative;
  box-sizing: border-box;
  margin: 0;
  padding: 0.2rem 0 0.35rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  background:
    linear-gradient(
      180deg,
      rgba(232, 240, 236, 0.035) 0%,
      transparent 100%
    );
}

.chart-context-guides {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.chart-context-guide {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 0;
  border-left: 1px solid rgba(232, 240, 236, 0.08);
  transform: translateX(-0.5px);
}

.aircraft-timeline,
.weather-timeline {
  position: relative;
  z-index: 1;
  box-sizing: border-box;
  width: 100%;
}

.aircraft-timeline {
  min-height: 1.35rem;
  height: 1.35rem;
}

.aircraft-timeline[hidden] {
  display: none;
}

.chart-legend-item[hidden] {
  display: none;
}

.aircraft-slot {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.3rem;
  height: 1.3rem;
  padding: 0;
  margin: 0;
  border: 0;
  border-radius: 0.25rem;
  background: transparent;
  color: #c9d6cf;
  cursor: pointer;
  line-height: 1;
}

.aircraft-slot .mdi {
  font-size: 1rem;
  line-height: 1;
}

.aircraft-slot:hover,
.aircraft-slot.is-active {
  color: #e8f0ec;
  background: rgba(232, 240, 236, 0.1);
}

.aircraft-timeline.is-empty::after {
  content: "";
  display: block;
  height: 1.3rem;
}

.weather-timeline {
  height: 3.15rem;
  opacity: 0.88;
}

.weather-slot {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.02rem;
  padding: 0;
  margin: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: default;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  line-height: 1.12;
  pointer-events: auto;
  white-space: nowrap;
}

.weather-slot .mdi:not(.weather-slot-precip-icon) {
  font-size: 0.95rem;
  line-height: 1;
  color: rgba(126, 200, 163, 0.75);
}

.weather-slot.is-skew .mdi:not(.weather-slot-precip-icon) {
  color: rgba(240, 180, 41, 0.85);
}

.weather-slot.is-skew-high .mdi:not(.weather-slot-precip-icon) {
  color: rgba(255, 107, 107, 0.85);
}

.weather-slot-temp {
  opacity: 0.9;
  font-size: 0.62rem;
}

.weather-slot-wind,
.weather-slot-precip {
  display: inline-flex;
  align-items: center;
  gap: 0.1rem;
  opacity: 0.7;
}

.weather-slot-wind-arrow {
  display: inline-block;
  font-size: 0.6rem;
  line-height: 1;
  color: rgba(126, 200, 163, 0.65);
  transform-origin: center;
}

.weather-slot-precip-icon {
  font-size: 0.6rem;
  line-height: 1;
  opacity: 0.7;
}

.site-footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3.5rem;
}

.privacy {
  max-width: none;
}

.privacy-eyebrow {
  margin: 0 0 1.15rem;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.privacy h2 {
  margin: 0 0 1.15rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.privacy-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem 1.75rem;
}

.privacy-points li {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 0;
  border-left: none;
  padding-top: 0.85rem;
  border-top: 2px solid rgba(196, 240, 130, 0.35);
}

.privacy-label {
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 500;
}

.privacy-text {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.admin-link-wrap {
  margin: 2.5rem 0 0;
  text-align: center;
}

.admin-link {
  appearance: none;
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  color: rgba(232, 240, 236, 0.08);
  font-family: var(--font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  text-decoration: none;
  transition: color 0.2s ease;
}

.admin-link:hover,
.admin-link:focus-visible {
  color: rgba(232, 240, 236, 0.22);
  outline: none;
}

.admin-page .admin-shell {
  max-width: 28rem;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.admin-head {
  margin-bottom: 1.5rem;
}

.admin-head .brand-name {
  margin: 0 0 0.35rem;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
}

.admin-head h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.admin-back-wrap {
  margin: 0.85rem 0 0;
}

.admin-back {
  color: var(--muted);
  font-size: 0.85rem;
  text-decoration: none;
  transition: color 0.2s ease;
}

.admin-back:hover,
.admin-back:focus-visible {
  color: var(--accent);
  outline: none;
}

.admin-panel {
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  background: rgba(20, 32, 28, 0.72);
}

.admin-dialog {
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  padding: 0;
  background: #14201c;
  color: var(--ink);
  max-width: 22rem;
  width: calc(100% - 2rem);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

.admin-dialog::backdrop {
  background: rgba(6, 10, 9, 0.72);
}

.admin-dialog-inner {
  margin: 0;
  padding: 1.25rem 1.35rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.admin-dialog h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
}

.admin-label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.admin-input {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  background: rgba(0, 0, 0, 0.25);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 0.95rem;
}

.admin-input:focus {
  outline: 1px solid rgba(196, 240, 130, 0.45);
  border-color: rgba(196, 240, 130, 0.35);
}

.admin-error {
  margin: 0.45rem 0 0;
  color: var(--danger);
  font-size: 0.8rem;
}

.admin-hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.45;
}

.admin-hint code {
  font-family: var(--font-mono);
  font-size: 0.8em;
  color: var(--accent);
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.25rem;
}

.admin-tools {
  margin-top: 0.15rem;
}

.admin-file-btn {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}

.admin-cancel {
  color: var(--muted);
  border-color: var(--line);
}

.admin-status {
  margin: 0;
  font-size: 0.82rem;
  color: var(--accent);
}

.admin-status.is-error {
  color: var(--danger);
}

@media (max-width: 700px) {
  .live-stage {
    padding: 5rem 0 4rem;
    min-height: 100dvh;
  }

  .live-b {
    grid-template-columns: 1fr;
    gap: 1.75rem;
    align-items: start;
    max-height: none;
  }

  .live-b-right .spectrum-bars {
    flex: none;
    min-height: 0;
    justify-content: flex-start;
    gap: 0.42rem;
  }

  .live-b-right .s-band {
    flex: none;
  }

  .live-b-metrics {
    grid-template-columns: 1fr 1fr;
    gap: 1.35rem 1.25rem;
    margin-top: 1.85rem;
    padding-top: 1.45rem;
  }

  .history {
    margin-top: 0;
    padding-top: 2.5rem;
  }

  .history > .stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .top {
    padding-inline: 1rem;
    align-items: flex-start;
  }

  :root {
    --fab-size: 3.2rem;
  }

  .top-right {
    flex-direction: row;
    align-items: center;
    gap: 0.55rem;
  }

  .settings-fab {
    right: 1rem;
    bottom: 1rem;
  }

  .settings-panel {
    right: 1rem;
    bottom: calc(1rem + var(--fab-size) + 0.65rem);
    width: min(22.5rem, calc(100vw - 2rem));
  }

  main,
  .site-footer {
    padding-inline: 1rem;
  }

  .privacy-points {
    grid-template-columns: 1fr;
    gap: 1.15rem;
  }
}