body {
  font-family: Arial, sans-serif;
  background: #f5f7fb;
  color: #222;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 760px;
  margin: 80px auto;
  padding: 24px;
  text-align: center;
}

h1 {
  font-size: 44px;
  margin-bottom: 10px;
}

.tagline {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 10px;
}

.description {
  font-size: 17px;
  color: #555;
  margin-bottom: 30px;
}

.upload-box {
  background: white;
  border: 2px dashed #cfd6e4;
  border-radius: 12px;
  padding: 32px;
  margin-bottom: 24px;
}

input[type="file"] {
  font-size: 16px;
}

#results {
  background: white;
  border-radius: 12px;
  padding: 20px;
  text-align: left;
  white-space: pre-wrap;
  min-height: 40px;
}