/* === Global Style === */
body {
  font-family: 'Segoe UI', Tahoma, sans-serif;
  background: #0a0a0a;
  color: #eaeaea;
  margin: 0;
  padding: 20px;
  text-align: center;
}

h1 {
  font-size: 2rem;
  margin-bottom: 20px;
  text-shadow: 0 0 8px #00e0ff, 0 0 15px #ff004c;
  color: #ffffff;
}

h3 {
  color: #ffffff;
  margin-bottom: 10px;
  text-shadow: 0 0 6px #00e0ff;
}

.container {
  margin: 20px auto;
  max-width: 650px;
  background: rgba(20, 20, 20, 0.85);
  border: 2px solid #111;
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 0 15px #00e0ff55, 0 0 25px #ff004c33;
}

/* Input Upload */
input[type="file"] {
  margin: 15px 0;
  padding: 10px;
  color: #fff;
  border: 1px solid #333;
  border-radius: 8px;
  background: #111;
  cursor: pointer;
}

input[type="file"]::-webkit-file-upload-button {
  background: #00e0ff;
  color: #000;
  border: none;
  border-radius: 6px;
  padding: 8px 14px;
  cursor: pointer;
  transition: 0.3s;
}

input[type="file"]::-webkit-file-upload-button:hover {
  background: #ff004c;
  color: #fff;
}

/* Button */
button {
  background: linear-gradient(90deg, #00e0ff, #ff004c);
  color: #fff;
  border: none;
  padding: 12px 24px;
  border-radius: 10px;
  cursor: pointer;
  margin-top: 10px;
  font-weight: bold;
  box-shadow: 0 0 10px #00e0ff88, 0 0 15px #ff004c55;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button:hover {
  transform: scale(1.05);
  box-shadow: 0 0 15px #00e0ffcc, 0 0 25px #ff004caa;
}

/* Output Images */
canvas, img {
  max-width: 100%;
  margin-top: 12px;
  border: 1px solid #444;
  border-radius: 8px;
  box-shadow: 0 0 10px #00e0ff33, 0 0 15px #ff004c22;
}

/* List Style (white with glow) */
ul, li {
  color: #ffffff;
  list-style-type: square;
  margin: 8px 0;
  text-shadow: 0 0 6px #ffffffaa;
}