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

.container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 1rem;
}

h1 {
    text-align: center;
    margin-bottom: 2rem;
    color: #24292e;
}

h2 {
    margin-bottom: 1rem;
    color: #24292e;
}

.search-container {
    display: flex;
    margin-bottom: 2rem;
}

input {
    flex: 1;
    padding: 0.75rem;
    font-size: 1rem;
    border: 1px solid #ddd;
    border-radius: 4px 0 0 4px;
}

button {
    padding: 0.75rem 1.5rem;
    background-color: #2ea44f;
    color: white;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #2c974b;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

table, th, td {
    border: 1px solid #ddd;
}

th, td {
    padding: 12px;
    text-align: left;
}

th {
    background-color: #f6f8fa;
    font-weight: bold;
}

tr:nth-child(even) {
    background-color: #f6f8fa;
}

.hidden {
    display: none;
}

.loading {
    text-align: center;
    font-size: 1.2rem;
    margin: 2rem 0;
}

.error {
    color: #d73a49;
    text-align: center;
    margin: 1rem 0;
    padding: 1rem;
    background-color: #ffebe9;
    border-radius: 4px;
}

.avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
}