body {
    font-family: sans-serif;
    max-width: 600px;
    margin: 40px auto;
    padding: 0 20px;
}
.login-form {
    margin: 20px 0;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 8px;
}
.login-form input {
    display: block;
    width: 100%;
    padding: 8px;
    margin: 8px 0;
    box-sizing: border-box;
}
.login-form button {
    padding: 10px 20px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
.login-form button:hover {
    background: #0056b3;
}
.button-row {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-top: 8px;
}
.login-form .test-user-btn {
    padding: 10px 12px;
    background: #fd7e14;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85em;
}
.login-form .test-user-btn:hover {
    background: #e96b02;
}
.login-form .test-user-btn::before {
    content: "▶ ";
}
.user-info {
    margin: 20px 0;
    padding: 20px;
    background: #e8f5e9;
    border-radius: 8px;
}
.logout-btn {
    padding: 8px 16px;
    background: #dc3545;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-left: 10px;
}
.action-btn {
    padding: 8px 16px;
    background: #17a2b8;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
.action-btn:hover {
    background: #138496;
}
.error {
    color: #dc3545;
    margin: 10px 0;
}
.success {
    color: #28a745;
    margin: 10px 0;
}
.token-info {
    color: #666;
    font-size: 0.9em;
}
.hidden {
    display: none;
}
.holds-list {
    margin: 20px 0;
}
.book-item {
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    margin: 10px 0;
    background: #f9f9f9;
}
.book-title {
    font-weight: bold;
    font-size: 1.1em;
    margin-bottom: 8px;
}
.book-info {
    color: #666;
    font-size: 0.9em;
    margin: 4px 0;
}
.book-status {
    color: #007bff;
    font-weight: bold;
}
.opac-link {
    display: inline-block;
    margin-top: 10px;
    color: #007bff;
    text-decoration: none;
}
.opac-link:hover {
    text-decoration: underline;
}