/* 通用样式 */
body {
    font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Heiti SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
}

/* 导航栏和卡片阴影 */
.navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.card {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    border-radius: 0.5rem;
    border: none;
}

.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

/* 表格样式优化 */
.table {
    margin-bottom: 0;
}

.table th {
    font-weight: 600;
    background-color: #f8f9fa;
}

/* 移动端优化 */
@media (max-width: 767.98px) {
    .container {
        padding-left: 20px;
        padding-right: 20px;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .card-body {
        padding: 1.25rem;
    }
}

/* 按钮样式 */
.btn-primary {
    background-color: #1890ff;
    border-color: #1890ff;
}

.btn-primary:hover, .btn-primary:focus {
    background-color: #096dd9;
    border-color: #096dd9;
}

/* 登录页样式 */
.login-page {
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
}

/* 表单元素增强 */
.form-control:focus {
    box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.2);
    border-color: #1890ff;
}

/* 状态徽章 */
.badge {
    font-weight: normal;
    padding: 0.35em 0.65em;
}