body {
    font-family: 'Segoe UI', sans-serif;
    background: #f2f4f8;
    margin: 0;
    padding: 30px;
    text-align: center;
}

.container {
    background: #fff;
    padding: 30px;
    max-width: 500px;
    margin: auto;
    border-radius: 10px;
    box-shadow: 0 0 12px rgba(0,0,0,0.1);
}

h1, h2 {
    color: #333;
    margin-bottom: 20px;
}

form {
    margin-bottom: 30px;
}

input[type="text"],
input[type="number"] {
    width: 90%;
    padding: 10px;
    margin: 10px 0;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 6px;
}

button {
    background: #007acc;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s ease;
}

button:hover {
    background: #005fa3;
}

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

li {
    background: #f9f9f9;
    padding: 10px;
    margin: 5px 0;
    border-radius: 6px;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

li button {
    background: #eee;
    color: #333;
    font-size: 14px;
    padding: 5px 10px;
    border-radius: 4px;
    border: 1px solid #ccc;
}

li button:hover {
    background: #ddd;
}