body {
  font-family: Arial, sans-serif;
  background: #ffffff;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 500px;
  margin: 60px auto;
  padding: 20px;
  background: #d5f4f8;
  border-radius: 15px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  text-align: center;
  animation: fadeIn 0.6s ease-in-out;
}

h1 {
  margin-bottom: 20px;
}

.upload-box {
  background: #fff;
  border: 2px dashed #999;
  padding: 40px;
  border-radius: 12px;
  cursor: pointer;
  margin-bottom: 20px;
  transition: background 0.3s;
}

.upload-box:hover {
  background: #f0f0f0;
}

input[type="file"] {
  display: none;
}

.progress {
  width: 100%;
  background: #eee;
  height: 12px;
  border-radius: 10px;
  overflow: hidden;
  margin: 10px 0;
  display: none;
}

.bar {
  height: 100%;
  background: #4caf50;
  width: 0%;
  transition: width 0.4s ease;
}

button {
  background: #4caf50;
  color: #fff;
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
}

button:hover {
  background: #43a047;
}

.status {
  margin-top: 10px;
  font-weight: bold;
  color: #444;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
