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

body {
  font-family: Arial, sans-serif;
  background: #1a1a2e;
  display: flex;
  justify-content: center;
  padding: 40px;
}

.container {
  background: #16213e;
  padding: 30px;
  border-radius: 12px;
  width: 400px;
  color: white;
}

h1 {
  text-align: center;
  margin-bottom: 20px;
  color: #e94560;
}

.input-area {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

input {
  flex: 1;
  padding: 10px;
  border-radius: 8px;
  border: none;
  background: #0f3460;
  color: white;
}

button {
  padding: 10px 15px;
  background: #e94560;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

ul {
  list-style: none;
}

li {
  background: #0f3460;
  padding: 10px 15px;
  border-radius: 8px;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

li button {
  background: transparent;
  font-size: 16px;
  padding: 0;
}