@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500;700;900&display=swap');

:root {
  --bg: #050510;
  --neon-blue: #00f0ff;
  --neon-pink: #ff00d6;
  --neon-green: #00ff88;
  --text: #f0f0f0;
}

* {
  box-sizing: border-box;
  font-family: 'Orbitron', sans-serif;
}

body {
  background: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  overflow: hidden;
}

.container {
  width: 100%;
  max-width: 700px;
  padding: 20px;
}

header, footer {
  text-align: center;
  margin: 10px 0;
}

h1 {
  font-size: 1.5em;
  background: linear-gradient(90deg, var(--neon-pink), var(--neon-blue));
  -webkit-background-clip: text;
  color: transparent;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  animation: floatText 2s ease-in-out infinite;
}

.section {
  margin-top: 20px;
}

.hidden {
  display: none;
}

#menu {
  text-align: center;
  margin-bottom: 20px;
}

#menu button {
  display: block;
  width: 80%;
  margin: 10px auto;
  padding: 15px 20px;
  font-size: 0.7em;
  color: var(--text);
  background: linear-gradient(45deg, var(--neon-green), var(--neon-blue));
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
}

#menu button:hover {
  box-shadow: 0 0 15px var(--neon-green), 0 0 3px var(--neon-green);
  transform: scale(1.02);
}

.buttons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  margin-top: 15px;
}

.buttons-grid button,
.combo-group button {
  padding: 10px;
  font-size: 1em;
  background: linear-gradient(45deg, var(--neon-pink), var(--neon-blue));
  color: var(--text);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.buttons-grid button:hover,
.combo-group button:hover {
  box-shadow: 0 0 10px var(--neon-pink), 0 0 20px var(--neon-pink);
  transform: scale(1.02);
}

.combo-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 10px;
}

.combo-group input {
  padding: 8px;
  font-size: 0.8em;
  background: var(--bg);
  border: 1px solid var(--neon-green);
  color: var(--text);
  width: 120px;
  border-radius: 4px;
  text-align: center;
}

.output {
  margin-top: 15px;
  padding: 10px;
  border: 1px solid var(--neon-blue);
  min-height: 60px;
  white-space: pre-wrap;
  font-size: 0.9em;
  text-align: center;
  line-height: 1.2em;
  border-radius: 6px;
}

@keyframes floatText {
  0% { transform: translateY(0); }
  50% { transform: translateY(8px); }
  100% { transform: translateY(0); }
}


#particles-js {
  position: fixed;
  width: 100vw;
  height: 100vh;
  top: 0;
  left: 0;
  background: radial-gradient(circle at center, #0d0221 0%, #0a0016 100%);
  z-index: -1;
}