/* Reset and base styles */
body, h1, ul, li, input, button {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

/* Full height layout */
body {
    background-color: #e8f5e9;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

/* Main container */
.todo-container {
    text-align: center;
    width: 100%;
    max-width: 500px;
    padding: 20px;
}

/* Header */
h1 {
    margin-bottom: 20px;
    color: #2c3e50;
}

/* Input group */
.input-group {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
    gap: 10px;
}

input[type="text"] {
    flex: 1;
    padding: 10px;
    border: 2px solid #3498db;
    border-radius: 5px;
    font-size: 16px;
}

/* Buttons */
button {
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    background-color: #3498db;
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #2980b9;
}

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

li {
    background-color: white;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Delete button */
.delete {
    background-color: #e74c3c;
}

.delete:hover {
    background-color: #c0392b;
}