body {
    background-color: #000;
    color: #fff;
    font-family: monospace;
    margin: 0;
    padding: 20px;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #fff;
    padding-bottom: 10px;
    margin-bottom: 50px;
}

.header-left {
    font-weight: bold;
}

.header-right a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    border-bottom: 2px solid #fff;
    padding-bottom: 2px;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 100%;
}

h1 {
    font-weight: bold;
    font-size: 2em;
    margin-bottom: 30px;
}

.input-group {
    width: 100%;
    max-width: 400px;
}

.underline-input {
    background: transparent;
    border: none;
    border-bottom: 2px solid #fff;
    color: #fff;
    font-size: 1.2em;
    width: 100%;
    text-align: center;
    padding: 10px 0;
    margin-top: 20px;
}

.underline-input:focus {
    outline: none;
    border-bottom-color: #aaa;
}

.underline-button {
    background: transparent;
    border: none;
    border-bottom: 2px solid #fff;
    color: #fff;
    font-size: 1.2em;
    font-weight: bold;
    cursor: pointer;
    padding: 10px 20px;
    margin-top: 30px;
}

.underline-button:hover {
    color: #aaa;
    border-bottom-color: #aaa;
}

.list-container {
    width: 100%;
    max-width: 600px;
}

.list-item, .list-item-admin {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #fff;
    padding: 15px 0;
    margin: 10px 0;
}

.list-item a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.2em;
}

.list-item a:hover {
    text-decoration: underline;
}

.admin-controls {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 600px;
    margin-top: 30px;
}