body {
  font-family: 'Segoe UI', sans-serif;
  background: #0e0e11;
  color: #f0f0f0;
  margin: 0;
  padding: 0;
  text-align: center;
}

.container {
  max-width: 600px;
  margin: 50px auto;
  padding: 30px;
  background: #1a1a1f;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
}

h1, h2 {
  color: #ffffff;
  margin-bottom: 20px;
  font-weight: 600;
}

.upload-area {
  border: 2px dashed #3a3a3a;
  padding: 30px;
  border-radius: 15px;
  background: #25252b;
  cursor: pointer;
  transition: background 0.3s, border-color 0.3s;
}

.upload-area:hover {
  background: #2e2e36;
  border-color: #5e5e5e;
}

.upload-area p {
  margin: 0;
  font-size: 1rem;
  color: #bbbbbb;
}

#fileElem {
  display: none;
}

#outputImage {
  max-width: 100%;
  margin-top: 20px;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
  transition: transform 0.3s ease;
}

#outputImage:hover {
  transform: scale(1.02);
}

.buttons {
  margin-top: 20px;
}

button {
  background: linear-gradient(135deg, #00c6ff, #0072ff);
  color: #fff;
  border: none;
  padding: 12px 24px;
  font-size: 1rem;
  border-radius: 30px;
  cursor: pointer;
  transition: background 0.3s ease-in-out, transform 0.2s ease;
  box-shadow: 0 4px 15px rgba(0, 114, 255, 0.3);
}

button:hover {
  background: linear-gradient(135deg, #0099ff, #0056cc);
  transform: translateY(-2px);
}

.hidden {
  display: none;
}

.credit {
  margin-top: 40px;
  font-size: 0.9rem;
  color: #888;
}

.credit a {
  color: #00c6ff;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.credit a:hover {
  color: #66d0ff;
}