body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 50px auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
}

.filter-section {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.filter-section input,
.filter-section select {
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    flex-grow: 1;
    margin-right: 10px;
}

.filter-section button,
form button[type="submit"] {
    padding: 8px 15px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.filter-section button:hover,
form button[type="submit"]:hover {
    background-color: #45a049;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

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

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

th {
    background-color: #f2f2f2;
    font-weight: bold;
}

th a {
    color: #333;
    text-decoration: none;
}

th a:hover {
    text-decoration: underline;
}

.pagination {
    text-align: center;
    margin-top: 20px;
}

.pagination a {
    color: #4CAF50;
    padding: 8px 16px;
    text-decoration: none;
    transition: background-color 0.3s;
    border: 1px solid #ddd;
    margin: 0 4px;
}

.pagination a:hover {
    background-color: #ddd;
}

.pagination span {
    padding: 8px 16px;
    border: 1px solid #ddd;
    margin: 0 4px;
}

form[action="/export"] {
    text-align: center;
    margin-top: 20px;
}

form[action="/export"] button {
    padding: 10px 20px;
    background-color: #008CBA;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

form[action="/export"] button:hover {
    background-color: #007B9A;
}

/* ログインフォーム用のスタイル */
.flashes {
    list-style-type: none;
    padding: 0;
    margin-bottom: 20px;
}

.flashes li {
    background-color: #f8d7da;
    color: #721c24;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 10px;
}

form {
    margin-top: 20px;
}

form div {
    margin-bottom: 15px;
}

form label {
    display: block;
    margin-bottom: 5px;
}

form input[type="text"],
form input[type="password"] {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

/* ログイン・ログアウトリンク */
.auth-links {
    text-align: right;
    margin-bottom: 20px;
}

.auth-links a {
    color: #4CAF50;
    text-decoration: none;
}

.auth-links a:hover {
    text-decoration: underline;
}