frontend/src/index.css

:root {
  --bg-base: #0a1014;
  --bg-deep: #0d1a1f;
  --scope-bg: #102125;
  --panel: #0e1a1f;
  --panel-edge: #1a2f36;
  --range-ring: #183137;
  --compass: #286058;
  --map-feature: #285058;
  --map-dim: #1a3a3f;
  --text: #c1dacd;
  --muted: #5e7a78;
  --label: #7a9e99;
  --track-normal: #c1dacd;
  --track-selected: #ffffff;
  --track-other: rgba(255, 255, 255, 0.4);
  --normal: #c1dacd;
  --info: #7fd1c6;
  --warn: #e6a23c;
  --alert: #e08080;
  --emergency: #ff1a1a;
  --mono: "B612 Mono", "JetBrains Mono", "Consolas", "SFMono-Regular", ui-monospace, "Menlo", monospace;
}

* {
  box-sizing: border-box;
}

html,
body,
#root {
  height: 100%;
  margin: 0;
  background: var(--bg-base);
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-base);
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
  -webkit-tap-highlight-color: transparent;
}

a {
  color: var(--info);
  text-decoration: none;
}

button {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 11px;
  font-weight: 400;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--panel-edge);
  border-radius: 0;
  padding: 6px 12px;
  cursor: pointer;
  transition: border-color 120ms linear, color 120ms linear;
}

button:hover {
  border-color: var(--info);
  color: var(--info);
}

.label {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 10px;
  color: var(--label);
  font-weight: 400;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 0;
}

.status-normal {
  color: var(--normal);
}

.status-alert {
  color: var(--alert);
}

.backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
}

.backdrop__layer {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 3s ease;
}

.backdrop__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    rgba(5, 8, 13, 0.82) 0%,
    rgba(5, 8, 13, 0.6) 26%,
    rgba(5, 8, 13, 0.64) 100%
  );
}

@keyframes atc-blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0.25; }
}

.atc-blink {
  animation: atc-blink 1s steps(2, end) infinite;
}

@keyframes radar-pulse {
  0% { opacity: 0.55; filter: drop-shadow(0 0 0 rgba(127, 209, 198, 0)); }
  35% { opacity: 1; filter: drop-shadow(0 0 14px rgba(127, 209, 198, 0.55)); }
  60% { opacity: 0.85; filter: drop-shadow(0 0 22px rgba(127, 209, 198, 0.7)); }
  100% { opacity: 0.55; filter: drop-shadow(0 0 0 rgba(127, 209, 198, 0)); }
}

.radar-pulse {
  animation: radar-pulse 2.6s ease-in-out infinite;
}

@keyframes radar-name-pulse {
  0% { opacity: 0.45; text-shadow: 0 1px 6px rgba(0, 0, 0, 0.9); }
  45% { opacity: 1; text-shadow: 0 0 10px rgba(127, 209, 198, 0.55), 0 1px 6px rgba(0, 0, 0, 0.9); }
  100% { opacity: 0.45; text-shadow: 0 1px 6px rgba(0, 0, 0, 0.9); }
}

.radar-name-pulse {
  animation: radar-name-pulse 2.6s ease-in-out infinite;
}

.scope-root {
  position: relative;
  width: 100%;
  height: 100%;
  background: var(--scope-bg);
  overflow: hidden;
  font-family: var(--mono);
}

.scope-canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.data-block {
  position: absolute;
  font-size: 10px;
  line-height: 1.15;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--track-normal);
  pointer-events: auto;
  cursor: pointer;
  user-select: none;
  white-space: pre;
  text-shadow: 0 0 1px rgba(0, 0, 0, 0.9);
}

.data-block--selected {
  color: var(--track-selected);
}

.data-block--alert {
  color: var(--alert);
}

.data-block--emergency {
  color: var(--emergency);
}

.data-block--injected {
  color: #d96bd9;
}

.scope-strip {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  border-radius: 0;
  padding: 6px 8px;
  font-family: var(--mono);
  font-size: 11px;
}

.scope-row {
  display: grid;
  align-items: center;
  font-size: 11px;
  padding: 4px 8px;
  border-top: 1px solid var(--panel-edge);
  cursor: pointer;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.scope-row:first-child {
  border-top: none;
}

.scope-row:hover {
  background: rgba(127, 209, 198, 0.05);
}

.scope-row--selected {
  background: rgba(127, 209, 198, 0.1);
}

.edge-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px 8px;
  background: rgba(14, 26, 31, 0.55);
  border: 1px solid var(--panel-edge);
  border-radius: 0;
  color: var(--label);
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  cursor: pointer;
  z-index: 20;
  transition: color 140ms linear, border-color 140ms linear, background 140ms linear;
}

.edge-nav--left {
  left: 0;
}

.edge-nav--right {
  right: 0;
}

.edge-nav:hover {
  color: var(--info);
  border-color: var(--info);
  background: rgba(127, 209, 198, 0.08);
}

.edge-nav__chevron {
  font-size: 22px;
  line-height: 1;
  font-weight: 400;
}

.edge-nav__label {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 10px;
  letter-spacing: 0.24em;
}

.edge-nav--right .edge-nav__label {
  transform: rotate(0deg);
}

.scope-hud {
  position: absolute;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--label);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  pointer-events: none;
  user-select: none;
}

.dash-shell {
  padding: 14px 56px;
  width: 100%;
  box-sizing: border-box;
  position: relative;
}

.dash-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--panel-edge);
  padding-bottom: 10px;
  gap: 24px;
}

.dash-header__brand {
  display: flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
}

.dash-header__logo {
  height: 56px;
  width: auto;
  display: block;
}

.dash-header__title {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.dash-header__nav {
  display: flex;
  gap: 14px;
  align-items: center;
}

.dash-header__clock {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  padding-right: 10px;
  border-right: 1px solid var(--panel-edge);
  line-height: 1;
}

.dash-header__burger {
  display: none;
  width: 40px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--panel-edge);
  background: rgba(14, 26, 31, 0.85);
  color: var(--text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-direction: column;
}

.dash-header__burger span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: currentColor;
}

.dash-header__drawer {
  display: none;
}

.monitor-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 0;
  height: calc(100vh - 92px);
}

.monitor-strip-panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--panel);
}

.simulator-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) minmax(0, 1fr);
  gap: 14px;
  height: calc(100vh - 110px);
}

.metrics-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 16px;
  align-items: start;
}

.metrics-kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.metrics-table-scroll {
  width: 100%;
  overflow-x: auto;
}

@media (max-width: 900px) {
  .dash-shell {
    padding: 10px 14px;
  }

  .dash-header {
    gap: 10px;
    padding-bottom: 8px;
  }

  .dash-header__logo {
    height: 36px;
  }

  .dash-header__title {
    font-size: 14px;
    letter-spacing: 0.06em;
  }

  .dash-header__nav > *:not(.dash-header__burger) {
    display: none;
  }

  .dash-header__burger {
    display: flex;
  }

  .dash-header__drawer {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 10px;
    padding: 12px;
    background: rgba(8, 14, 18, 0.96);
    border: 1px solid var(--panel-edge);
  }

  .dash-header__drawer .dash-header__clock {
    align-items: flex-start;
    padding-right: 0;
    border-right: none;
    border-bottom: 1px solid var(--panel-edge);
    padding-bottom: 8px;
  }

  .dash-header__drawer button,
  .dash-header__drawer a {
    width: 100%;
  }

  .dash-header__drawer button {
    padding: 10px 12px;
    font-size: 12px;
  }

  .monitor-layout {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(60vh, 1fr) auto;
    height: calc(100vh - 76px);
  }

  .monitor-strip-panel {
    border-top: 1px solid var(--panel-edge);
    max-height: 40vh;
  }

  .simulator-layout {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto auto;
    height: auto;
    min-height: calc(100vh - 88px);
  }

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

  .metrics-kpis {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .edge-nav {
    display: none;
  }

  body {
    font-size: 14px;
  }

  button {
    padding: 10px 14px;
    font-size: 12px;
    min-height: 40px;
  }

  input[type="range"] {
    min-height: 28px;
  }

  .dash-header__drawer {
    max-height: calc(100vh - 80px);
    overflow-y: auto;
  }

  .dash-header__burger[aria-expanded="true"] {
    color: var(--info);
    border-color: var(--info);
  }
}

@media (max-width: 480px) {
  .metrics-kpis {
    grid-template-columns: minmax(0, 1fr);
  }

  .dash-header__title {
    display: none;
  }
}