/* Centers everything on the screen */
body {
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #74ABE2, #5563DE);
  height: 100vh;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Outer wrapper to hold the box */
.main-box {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

/* Inner box container */
.container {
  background: #fff;
  width: 400px;
  padding: 25px 30px;
  border-radius: 15px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

h1 {
  text-align: center;
  color: #333;
  margin-bottom: 20px;
}

/* Input and button styling */
.input-section {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

input {
  flex: 1;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 14px;
}

button {
  padding: 10px 14px;
  background: #4CAF50;
  border: none;
  color: white;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
}

button:hover {
  background: #45a049;
}

/* Task list styling */
ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

li {
  background: #f9f9f9;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

li.completed {
  text-decoration: line-through;
  color: gray;
  opacity: 0.7;
}

.actions button {
  margin-left: 5px;
  background: #007BFF;
  border: none;
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
}

.actions button.delete {
  background: #e74c3c;
}

.actions button:hover {
  opacity: 0.85;
}