* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  height: 100vh;
  width: 100%;
  justify-content: center;
  display: flex;
  align-items: center;
  background: linear-gradient(to bottom right, #00bfff, #0080ff);
  background-repeat: no-repeat;
  background-size: cover;
  overflow: hidden;
}

.upload-box {
  position: relative;
  z-index: 2;
  background-color: white;
  width: 400px;
  padding: 20px;
  border-radius: 15px;
  text-align: center;
}

.upload-box h1 {
  font-size: 24px;
  margin-bottom: 15px;
}

.upload-box h2 {
  font-size: 18px;
  margin-bottom: 15px;
}

.upload-area {
  border: 2px dashed #ccc;
  border-radius: 10px;
  padding: 30px;
  margin-bottom: 20px;
  cursor: pointer;
  position: relative;
}

.upload-area:hover {
  background-color: #f5f5f5;
}

.upload-area input {
  display: none;
}

.upload-area label {
  color: #00bfff;
  font-size: 16px;
  cursor: pointer;
}

.progress-bar {
  width: 100%;
  background-color: #e0e0e0;
  border-radius: 5px;
  overflow: hidden;
  margin: 10px 0;
}

.progress-bar span {
  display: block;
  height: 20px;
  border-radius: 5px;
}

.progress-label {
  font-size: 12px;
  text-align: left;
  margin-bottom: 5px;
}

#filePreview {
  max-width: 100%;
  max-height: 300px;
  margin-top: 15px;
  border-radius: 10px;
  object-fit: contain;
}