/* 1. Full-page black background + glowing edge */
body {
  margin: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
  overflow: hidden;
  color: #fff;
  font-family: 'Orbitron', sans-serif;
  position: relative;
}

/* Glow inset around the viewport */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  /* big white glow, semi-transparent */
  box-shadow: inset 0 0 30px 8px rgba(255,255,255,0.8);
  pointer-events: none;
  z-index: 1;
}

/* 2. Glass-like container panel */
.container {
  position: relative;
  z-index: 2;
  width: 90%;
  max-width: 500px;
  padding: 2rem;
  text-align: center;

  /* translucent */
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(10px);

  /* subtle neon border + inner glow */
  border: 2px solid rgba(255,255,255,0.7);
  border-radius: 12px;
  box-shadow:
    0 0 10px rgba(255,255,255,0.7),
    0 0 30px rgba(255,255,255,0.4) inset;
}

/* 3. Neon header text + flicker effect */
.neon-text {
  margin: 0 0 1rem;
  font-size: 2.5rem;
  color: #fff;
  text-shadow:
    0 0 5px #fff,
    0 0 15px #fff,
    0 0 30px #fff,
    0 0 60px rgba(255,255,255,0.5);
  animation: neon-flicker 1.8s infinite alternate;
}

/* Flicker keyframes */
@keyframes neon-flicker {
  0%, 18%, 22%, 25%, 53%, 57%, 100% { opacity: 1; }
  20%, 24%, 55% { opacity: 0.8; }
  23%, 56% { opacity: 0.9; }
}

/* 4. Time text styling */
#time {
  font-size: 1.25rem;
  letter-spacing: 0.05em;
  margin-top: 0.5rem;
  text-shadow: 0 0 5px rgba(255,255,255,0.7);
}