@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500;700&display=swap');

:root {
  --neon-cyan: #00f6ff;
  --neon-magenta: #ff2bd0;
  --off-red: #5a1b1b;
  --on-red: #ff3b3b;
  --tube-base: 0.85;
  --tube-max: 1.8;
  --g1: 6px;
  --g2: 16px;
  --g3: 34px;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: #050507;
  font-family: 'Orbitron', sans-serif;
  overflow: hidden;
}

.scene {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  position: relative;
  z-index: 2;
}

.sign,
.station .letter {
  text-shadow:
    0 0 var(--g1) var(--neon-cyan),
    0 0 var(--g2) var(--neon-cyan),
    0 0 var(--g3) var(--neon-magenta);
}

.sign {
  text-align: center;
  color: var(--neon-cyan);
  animation: flicker 8s infinite, powerDip 45s infinite;
}

.station {
  font-size: 5.2rem;
  letter-spacing: 0.55rem;
  color: var(--neon-magenta);
}

.station .letter {
  display: inline-block;
  --power: var(--tube-base);
  filter: brightness(var(--power));
  transition: filter 0.35s ease, text-shadow 0.35s ease;
}

.station .letter.lit {
  --g1: 10px;
  --g2: 22px;
  --g3: 48px;
}

.sign.decaying .station .letter {
  --power: var(--tube-base);
}

.domain {
  font-size: 2.1rem;
  margin-top: 0.4rem;
}

.status {
  font-size: 1.4rem;
  margin-top: 1rem;
}

.tagline {
  font-size: 0.75rem;
  margin-top: 1.2rem;
  letter-spacing: 0.3rem;
  color: #777;
}

.indicator {
  --ind-color: var(--off-red);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.25rem;
  color: #633;
  margin-bottom: 1.6rem;
}

.indicator .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ind-color);
  animation: offMorse 7s infinite;
}

.sign.on-air {
  animation: none;
  --g1: 10px;
  --g2: 25px;
  --g3: 60px;
}

.sign.on-air .indicator {
  --ind-color: var(--on-red);
  color: var(--on-red);
}

.sign.on-air .indicator .dot {
  box-shadow: 0 0 10px var(--on-red);
  animation: none;
}

.crt {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 3;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(255,255,255,0.02),
      rgba(255,255,255,0.02) 1px,
      transparent 2px,
      transparent 4px
    );
}

.fog {
  position: fixed;
  inset: -20%;
  z-index: 1;
  background:
    radial-gradient(
      circle at 50% 50%,
      rgba(255,255,255,0.035),
      transparent 60%
    );
  animation: drift 35s linear infinite;
}

@keyframes offMorse {
  0%, 100% { opacity: 0.3; }
  10% { opacity: 0.5; }
  15% { opacity: 0.25; }
  30% { opacity: 0.45; }
  60% { opacity: 0.2; }
}

@keyframes flicker {
  0%, 100% { opacity: 1; }
  2% { opacity: 0.9; }
  7% { opacity: 0.75; }
}

@keyframes powerDip {
  0%, 96%, 100% { filter: brightness(1); }
  97% { filter: brightness(0.2); }
  98% { filter: brightness(1); }
}

@keyframes drift {
  from { transform: translateX(-12%); }
  to { transform: translateX(12%); }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
  }
}