/* 全体設定 */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f4f7f6;
    color: #333;
    margin: 0;
    padding: 20px;
}

h1, h2, h3 {
    color: #2c3e50;
}

a {
    color: #3498db;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* ナビゲーション */
.main-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 15px;
    background-color: #ecf0f1;
    border-radius: 5px;
    margin-bottom: 20px;
}
.nav-link {
    display: inline-block;
    padding: 10px 15px;
    background-color: #3498db;
    color: #fff;
    border-radius: 5px;
    transition: background-color 0.3s;
    font-weight: bold;
}
.nav-link:hover {
    background-color: #2980b9;
    color: #fff;
    text-decoration: none;
}
.logout-link {
    margin-left: auto;
    background-color: #e74c3c;
}
.logout-link:hover {
    background-color: #c0392b;
}


/* ダッシュボード */
.dashboard {
    display: flex;
    justify-content: space-around;
    gap: 20px;
    margin-bottom: 20px;
}

.card {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    flex: 1;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.card h3 {
    margin: 0 0 10px;
    font-size: 16px;
    color: #7f8c8d;
}
.card p {
    font-size: 28px;
    margin: 0;
    font-weight: bold;
}

/* コントロールパネル */
.control-panel {
    border: 1px solid #ddd;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
    background: #f9f9f9;
}
.control-panel form {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
}

/* テーブル */
.table-responsive-container {
    overflow-x: auto;
    width: 100%;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin-bottom: 20px;
}

table {
    border-collapse: collapse;
    width: 100%;
}
th, td {
    border: 1px solid #ccc;
    padding: 10px;
    text-align: left;
    white-space: nowrap;
}
th {
    background-color: #f2f2f2;
    position: sticky;
    top: 0;
    z-index: 10;
}
tbody tr:hover {
    background-color: #f9f9f9;
}


/* フォーム要素 */
input[type="text"],
input[type="password"],
input[type="date"],
select,
textarea {
    padding: 8px;
    border-radius: 4px;
    border: 1px solid #ccc;
}
input[type="submit"], button, .button {
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    background-color: #2ecc71;
    color: white;
    cursor: pointer;
    transition: background-color 0.3s;
}
input[type="submit"]:hover, button:hover, .button:hover {
    background-color: #27ae60;
}

/* メインアクションボタン */
.main-actions {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.button.button-danger {
    background-color: #e74c3c;
}
.button.button-danger:hover {
    background-color: #c0392b;
}

/* テーブルアクション */
.table-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
#user-list-container.loading {
    opacity: 0.5;
    pointer-events: none;
}