:root {
  --bg-color: #1d1f27; /* Dark slate gray for background */
  --bg-color-highlight: #3a3f58; /* Soft blue-gray for highlight */
  --fg-color: #a6e3e9; /* Light blue for foreground elements */
  --fg-color2: #8fadc3; /* Muted blue for secondary text */
}

html,
body {
  height: 100vh;
  background-color: var(--bg-color);
  color: var(--fg-color);
}

html,
body,
input,
button {
  font-family: 'Roboto Mono', monospace; /* Modern font with a tech feel */
}

body.centered {
  margin: 0;
}

.centered h1 {
  text-align: center;
  font-size: 3em;
  text-shadow: 0 0 10px #50fa7b, 0 0 20px #50fa7b; /* Glow effect */
}

.wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  min-width: 100%;
}

.main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 5vh 5vw;
  width: 100%;
  max-width: 960px;
}

input,
button {
  font-size: 1.5em;
}

button {
  margin: 8px;
  padding: 8px 16px;
  background-color: var(--fg-color);
  color: var(--bg-color);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease-in-out;
  box-shadow: 0 0 10px #6272a4;
}

button:hover {
  background-color: var(--bg-color-highlight);
  color: var(--fg-color);
  box-shadow: 0 0 20px var(--bg-color-highlight);
}

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

.container {
  margin: 12px;
  padding: 12px;
  border-radius: 12px;
  position: relative;
  border: 2px solid #6272a4;
  box-shadow: 4px 4px 6px rgba(98, 114, 164, 0.7);
}

#requests-box,
#instructions-box {
  width: 100%;
}

.note {
  color: var(--fg-color2);
}

pre {
  white-space: pre-wrap;
  white-space: -moz-pre-wrap;
  word-wrap: break-word;
}

@keyframes fade {
  0% {
    background-color: var(--bg-color-highlight);
  }
  100% {
    background-color: var(--bg-color);
  }
}

.highlight {
  background-image: none !important;
  animation: fade 3s ease-in;
}