body {
  font-family: Arial, sans-serif;
  background: #fefefe;
  margin: 0;
  padding: 20px;
  color: #333;
}
.container {
  max-width: 500px;
  margin: auto;
  background: #f9f9f9;
  padding: 20px;
  border-radius: 15px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
h1 {
  text-align: center;
  color: #5e4b8b;
}
h2 {
  text-align: center;
}
.tabs {
  display: flex;
  justify-content: space-around;
  margin-bottom: 10px;
}
.tab {
  padding: 10px;
  border: none;
  background: #e0dff7;
  color: #333;
  border-radius: 8px;
  cursor: pointer;
}
.tab:hover {
  background: #d0cef2;
}
.task-entry {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}
input[type="text"] {
  flex: 1;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #ccc;
}
button {
  padding: 10px 15px;
  background: #5e4b8b;
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}
button:hover {
  background: #7b6aa7;
}
ul {
  list-style-type: none;
  padding: 0;
}
li {
  padding: 8px;
  background: #fff;
  margin-bottom: 5px;
  border-radius: 8px;
  display: flex;
  align-items: center;
}
input[type="checkbox"] {
  margin-right: 10px;
}