body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f6f8;
    color: #333;
    margin: 2rem auto;
    max-width: 800px;
    padding: 1rem;
}


h1 {
    color: #2c3e50;
    font-size: 2rem;
    margin-bottom: 1rem;
    text-align: center;
}

h2 {
    color: #34495e;
    font-size: 1.4rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid #ccc;
    padding-bottom: 0.2rem;
}

section {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
    margin-bottom: 1.5rem;
}

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

#user-list li {
    background: #ecf0f1;
    margin-bottom: 0.5rem;
    padding: 0.8rem 1rem;
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#user-list li button {
    background-color: #e74c3c;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
}

#user-list li button:hover {
    background-color: #c0392b;
}

form#add-user-form {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

form#add-user-form input,
form#add-user-form select {
    padding: 0.6rem;
    border: 1px solid #bdc3c7;
    border-radius: 4px;
    font-size: 1rem;
}

form#add-user-form button {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 0.7rem;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
}

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