body {
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(135deg, #1e293b, #0f172a);
  color: white;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
}

.container {
  max-width: 900px;
  width: 100%;
  text-align: center;
  padding: 20px;
}

h1 {
  margin-bottom: 20px;
  font-size: 28px;
  color: #facc15;
}

.upload-box {
  margin-bottom: 20px;
}

input[type="file"] {
  background-color: #facc15;
  color: #111;
  padding: 10px;
  border-radius: 6px;
  cursor: pointer;
  border: none;
}

.controls {
  margin: 20px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
}

.controls label {
  width: 100%;
  text-align: left;
  color: #e2e8f0;
}

.controls input[type="range"] {
  width: 200px;
}

button {
  padding: 10px 20px;
  background: #22c55e;
  border: none;
  border-radius: 6px;
  color: white;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  background: #16a34a;
}

.images {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  margin-top: 30px;
}

.img-box {
  flex: 1 1 45%;
  text-align: center;
}

img, canvas {
  max-width: 100%;
  border-radius: 8px;
  box-shadow: 0px 0px 10px rgba(255, 255, 255, 0.2);
}