/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.login-container {
    max-width: 400px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
    margin: 100px auto;
}

/* 头部样式 */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e0e0e0;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logout-btn {
    background-color: #dc3545;
    color: #fff;
    padding: 8px 16px;
    border-radius: 4px;
}

.admin-btn {
    background-color: #28a745;
    color: #fff;
    padding: 8px 16px;
    border-radius: 4px;
    text-decoration: none;
}

.admin-btn:hover {
    background-color: #218838;
}
    text-decoration: none;
    font-size: 14px;
}

.logout-btn:hover {
    background-color: #c82333;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

input[type="text"],
input[type="password"],
input[type="email"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.btn {
    display: block;
    width: 100%;
    padding: 12px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #0069d9;
}

/* 信息卡片 */
.info-card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin-bottom: 30px;
}

.info-card p {
    margin-bottom: 10px;
}

/* 表格样式 */
.user-table {
    width: 100%;
    border-collapse: collapse;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.user-table th,
.user-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

.user-table th {
    background-color: #f8f9fa;
    font-weight: bold;
}

.user-table tr:hover {
    background-color: #f8f9fa;
}

/* 提示信息 */
.error {
    background-color: #f8d7da;
    color: #721c24;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.success {
    background-color: #d4edda;
    color: #155724;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.no-data {
    text-align: center;
    padding: 40px;
    color: #6c757d;
    background-color: #f8f9fa;
    border-radius: 8px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .user-table {
        font-size: 14px;
    }
    
    .user-table th,
    .user-table td {
        padding: 8px;
    }
}