* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background: #f7f8fa;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    padding: 40px 20px;
}

.container {
    background: #fff;
    width: 100%;
    max-width: 450px;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    text-align: center;
    color: #2c3e50;
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
    transition: border 0.3s ease;
}

input:focus {
    outline: none;
    border-color: #3498db;
}

button {
    background: #3498db;
    color: #fff;
    padding: 12px;
    font-size: 1rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s ease;
}

button:hover {
    background: #2980b9;
}

h2 {
    margin: 25px 0 10px;
    font-size: 1.4rem;
    color: #2c3e50;
    border-bottom: 2px solid #eee;
    padding-bottom: 6px;
}

ul {
    list-style: none;
}

ul li {
    background: #f1f1f1;
    margin: 8px 0;
    padding: 12px;
    border-radius: 6px;
    font-size: 1rem;
    display: flex;
    justify-content: space-between;
}