body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  background: linear-gradient(135deg, #74ebd5 0%, #9face6 100%);
  color: #333;
}

.container {
  max-width: 700px;
  margin: 50px auto;
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

h1 {
  text-align: center;
  margin-bottom: 20px;
  color: #2c3e50;
}

h2 {
  margin-top: 30px;
  color: #34495e;
}

.upload-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

input[type="file"],
input[type="text"] {
  padding: 10px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

button {
  padding: 10px;
  font-size: 16px;
  background: #4CAF50;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.3s ease;
}

button:hover {
  background: #45a049;
}

ul {
  list-style: none;
  padding: 0;
}

li {
  margin: 8px 0;
  padding: 10px;
  background: #f2f2f2;
  border-radius: 6px;
  transition: transform 0.2s;
}

li:hover {
  transform: translateX(5px);
}

a {
  color: #2980b9;
  text-decoration: none;
  font-weight: 500;
}

a:hover {
  text-decoration: underline;
}

.progress-container {
  width: 100%;
  background: #e0e0e0;
  border-radius: 6px;
  margin-top: 10px;
  height: 20px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #4CAF50, #81C784);
  transition: width 0.2s ease;
}