* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding-top: 50px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f4f7f6;
  color: #333;
}

main {
  width: 400px;
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

h1 { margin: 0 0 1rem; text-align: center; }

.input-group { display: flex; gap: 8px; margin-bottom: 1rem; }

input {
  flex: 1;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button { padding: 8px 16px; cursor: pointer; }

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

li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid #eee;
  gap: 8px;
}

.edit-input { flex: 1; margin-right: 8px; }
.task-text { flex: 1; }

.delete-btn {
  background: #ff4d4d;
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 0.8rem;
}

.edit-btn {
  background: #eee;
  border: none;
  border-radius: 4px;
  font-size: 0.8rem;
  margin-right: 4px;
}