body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(to right, #b4beee, #d5b0fa);
  margin: 0;
}

.container {
  width: 90%;
  max-width: 1000px;
  margin: 60px auto;
  background: white;
  padding: 25px;
  border-radius: 20px;
  box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

h1 {
  text-align: center;
  font-size: 28px;
  color: #333;
}

.input-section {
  display: flex;
  gap: 10px;
}

input {
  flex: 1;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #ccc;
}
button {
  padding: 12px;
  border: none;
  background: linear-gradient(45deg, #ff7eb3, #ff758c);
  color: white;
  border-radius: 10px;
  cursor: pointer;
  font-weight: bold;
  transition: 0.3s;
}

button:hover {
  transform: scale(1.05);
}

.view-btn {
  width: 100%;
  margin-top: 10px;
}

ul {
  margin-top: 20px;
  padding: 0;
}
li {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px;
  margin: 10px 0;
  background: linear-gradient(45deg, #fbc2eb, #a6c1ee);
  border-radius: 12px;
}

.circle {
  width: 18px;
  height: 18px;
  border: 2px solid #667eea;
  border-radius: 50%;
  margin-right: 10px;
}

.completed .circle {
  background: #bfcaf8;
}

.completed span {
  text-decoration: line-through;
  color: gray;
}

.hidden {
  display: none;
}
.reward-box {
  text-align: center;
  font-size: 50px;
  font-style: italic;
  font-family: cursive;
  color: brown;
  margin-top: 20px;
}

.reward-box img {
  width: 800px;
  margin-top: 10px;
}