/* 🎉 NEON FUNK 80s VIBE CSS STYLES 🎉 */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500;700&family=Press+Start+2P&display=swap');

body {
  font-family: 'Orbitron', sans-serif;
  background: radial-gradient(ellipse at center, #1a0023 0%, #000000 100%);
  color: #fff;
  text-align: center;
  padding: 20px;
  overflow-x: hidden;
  animation: neonPulseBg 20s ease-in-out infinite;
}

@keyframes neonPulseBg {
  0%, 100% {
    background: radial-gradient(circle, #1a0023 0%, #000000 100%);
  }
  50% {
    background: radial-gradient(circle, #2b0040 0%, #000000 100%);
  }
}

h1 {
  font-family: 'Press Start 2P', cursive;
  font-size: 2rem;
  color: #ff00ff;
  text-shadow: 0 0 5px #ff00ff, 0 0 10px #ff66ff, 0 0 20px #ffccff;
  margin-bottom: 30px;
  animation: flicker 3s infinite;
}

@keyframes flicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
    opacity: 1;
  }
  20%, 22%, 24%, 55% {
    opacity: 0.4;
  }
}

.container {
  max-width: 900px;
  margin: auto;
  border: 3px solid #0ff;
  border-radius: 15px;
  padding: 30px;
  background: rgba(0, 0, 0, 0.6);
  box-shadow: 0 0 20px #0ff, 0 0 40px #0ff;
}

canvas {
  display: block;
  margin: 20px auto;
  border: 2px dashed #ff00cc;
  box-shadow: 0 0 20px #ff00cc, 0 0 60px #ff00cc;
  max-width: 100%;
  border-radius: 10px;
}

.sliders {
  margin: 30px 0;
}

label {
  display: block;
  margin: 15px 0;
  font-size: 1rem;
  color: #00ffff;
  text-shadow: 0 0 3px #0ff, 0 0 6px #00cccc;
}

input[type="range"] {
  -webkit-appearance: none;
  width: 80%;
  max-width: 300px;
  height: 10px;
  background: linear-gradient(90deg, #f0f, #0ff, #0f0);
  border-radius: 5px;
  outline: none;
  transition: all 0.3s ease-in-out;
  box-shadow: 0 0 10px #0ff;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  height: 20px;
  width: 20px;
  background: #ff00ff;
  border: 2px solid #fff;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 10px #f0f, 0 0 20px #f0f;
}

button {
  margin-top: 30px;
  padding: 15px 30px;
  font-size: 1.1rem;
  color: #fff;
  background: #ff00ff;
  border: none;
  border-radius: 10px;
  box-shadow: 0 0 15px #ff00ff, 0 0 30px #ff99ff;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.3s;
}

button:hover {
  transform: scale(1.1);
  background: #00ffff;
  box-shadow: 0 0 20px #0ff, 0 0 40px #66ffff;
}

input[type="file"] {
  padding: 10px;
  border: 2px dashed #00ffff;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  cursor: pointer;
  margin-bottom: 20px;
  box-shadow: 0 0 10px #00ffff;
}