:root {
  --bg: #020a04;
  --green: #28ff8f;
  --green-dim: #1f8f55;
  --grid: rgba(40, 255, 143, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 50% 30%, rgba(40, 255, 143, 0.06), transparent 60%),
    repeating-linear-gradient(0deg, var(--grid) 0 1px, transparent 1px 40px),
    repeating-linear-gradient(90deg, var(--grid) 0 1px, transparent 1px 40px),
    var(--bg);
  color: var(--green);
  font-family: "SF Mono", "Roboto Mono", Menlo, Consolas, monospace;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--green-dim);
  letter-spacing: 3px;
}

.topbar h1 { font-size: 18px; margin: 0; flex: 1; text-shadow: 0 0 8px rgba(40, 255, 143, 0.6); }

.beacon {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px var(--green);
  animation: blink 1.6s ease-in-out infinite;
}

@keyframes blink { 50% { opacity: 0.25; } }

.status { font-size: 12px; color: var(--green-dim); letter-spacing: 1px; }
.status.err { color: #ff5d5d; }

.stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4vh 5vw;
}

.plane {
  width: 100%;
  max-width: 1000px;
  text-align: center;
}

.carrier {
  font-size: clamp(30px, 6vw, 68px);
  letter-spacing: 4px;
  text-transform: uppercase;
  text-shadow: 0 0 16px rgba(40, 255, 143, 0.55);
}

.callsign {
  color: var(--green-dim);
  font-size: clamp(14px, 2vw, 22px);
  letter-spacing: 3px;
  margin-top: 10px;
}

.route {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: clamp(24px, 6vw, 90px);
  margin: 7vh 0 6vh;
}

.ep .city {
  font-size: clamp(28px, 5vw, 60px);
  text-shadow: 0 0 14px rgba(40, 255, 143, 0.4);
}
.ep .code {
  color: var(--green-dim);
  font-size: clamp(13px, 1.8vw, 20px);
  letter-spacing: 3px;
  margin-top: 8px;
}

.route .arrow {
  color: var(--green-dim);
  font-size: clamp(30px, 5vw, 58px);
  line-height: 1;
}

.stats {
  display: flex;
  justify-content: center;
  gap: clamp(36px, 9vw, 130px);
}

.stat .label { color: var(--green-dim); font-size: 13px; letter-spacing: 2px; }
.stat .val { font-size: clamp(22px, 4vw, 42px); margin-top: 8px; }
.alt { font-weight: 700; text-shadow: 0 0 12px rgba(40, 255, 143, 0.6); }

.more {
  margin-top: 7vh;
  color: var(--green-dim);
  font-size: 13px;
  letter-spacing: 2px;
}

.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  letter-spacing: 4px;
}

.scope {
  position: relative;
  width: 220px; height: 220px;
  border-radius: 50%;
  border: 1px solid var(--green-dim);
  background:
    repeating-radial-gradient(circle, var(--grid) 0 1px, transparent 1px 36px);
  overflow: hidden;
}

.sweep {
  position: absolute;
  inset: 0;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(40, 255, 143, 0.35) 40deg, transparent 60deg);
  animation: sweep 3s linear infinite;
}

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

.empty p { color: var(--green-dim); margin: 0; }