:root {
  --bg-0: #020503;
  --bg-1: #010901;
  --green-0: #56ff56;
  --green-1: #18c218;
  --green-2: #0f5a0f;
  --text: #d7ffd7;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  position: relative;
  overflow: hidden;
  font-family: "Share Tech Mono", monospace;
  color: var(--text);
  background: radial-gradient(circle at 20% 20%, #093909 0%, var(--bg-0) 45%, #000 100%);
}

#matrix {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0.85;
}

.overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(92vw, 640px);
  padding: 1.5rem;
  border: 1px solid rgba(86, 255, 86, 0.32);
  background: linear-gradient(135deg, rgba(0, 12, 0, 0.72), rgba(0, 0, 0, 0.5));
  backdrop-filter: blur(2px);
  text-align: center;
  box-shadow: 0 0 30px rgba(24, 194, 24, 0.18), inset 0 0 16px rgba(24, 194, 24, 0.1);
  animation: fadeIn 1.1s ease-out;
}

.label {
  margin: 0 0 0.75rem;
  color: #8dff8d;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  opacity: 0.85;
}

h1 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-shadow: 0 0 12px rgba(86, 255, 86, 0.45);
}

.subtext {
  margin: 0.7rem 0 1.3rem;
  color: #bcffbc;
  font-size: 0.95rem;
  opacity: 0.9;
}

.prank-btn {
  display: inline-block;
  padding: 0.48rem 0.82rem;
  border: 1px solid rgba(86, 255, 86, 0.85);
  color: #cfffcc;
  background: rgba(0, 18, 0, 0.75);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.74rem;
  transition: transform 150ms ease, box-shadow 150ms ease, background 180ms ease;
}

.prank-btn:hover,
.prank-btn:focus-visible {
  transform: translateY(-1px);
  background: rgba(15, 90, 15, 0.74);
  box-shadow: 0 0 14px rgba(86, 255, 86, 0.45);
  outline: none;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translate(-50%, -44%);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}

@media (max-width: 480px) {
  .overlay {
    padding: 1.1rem;
  }

  .subtext {
    font-size: 0.88rem;
  }
}