body {
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
  text-align: center;
  margin: 0;
}

.card {
  background: white;
  padding: 25px;
  margin: 40px auto;
  width: 350px;
  border-radius: 20px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

input {
  width: 90%;
  padding: 10px;
  margin: 10px;
  border-radius: 10px;
  border: 1px solid #ccc;
}

button {
  padding: 10px 15px;
  margin: 5px;
  border: none;
  border-radius: 10px;
  background: #3b82f6;
  color: white;
  cursor: pointer;
}

button:hover {
  background: #2563eb;
}

#taskImage {
  max-width: 100%;
  margin: 15px 0;
  border-radius: 10px;
}

#hintBox {
  display: none;
  background: #eff6ff;
  padding: 10px;
  margin-top: 10px;
  border-radius: 10px;
}

#progressContainer {
  background: #ddd;
  margin-top: 15px;
  border-radius: 10px;
}

#progressBar {
  height: 20px;
  width: 0%;
  background: linear-gradient(90deg, #22c55e, #4ade80);
  border-radius: 10px;
}