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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: #f0f2f5;
    min-height: 100vh;
}

/* 布局容器 */
.layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}



/* 主容器 */
.container {
    display: flex;
    flex: 1;
}



/* 主内容区域 */
.main-content {
    flex: 1;
    padding: 24px;
    background-color: #f5f7fa;
    overflow-y: auto;
}

.welcome-message {
    background-color: white;
    padding: 24px;
    border-radius: 8px;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.03);
    margin-bottom: 24px;
}

.card {
    background-color: white;
    padding: 24px;
    border-radius: 8px;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.03);
    margin-bottom: 24px;
}

.card-header {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 16px;
    font-weight: 500;
    color: #333;
}

.card-content {
    color: #666;
}

/* 数据统计卡片 */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

.stat-card {
    background: white;
    padding: 24px;
    border-radius: 8px;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.03);
    display: flex;
    flex-direction: column;
}

.stat-card-title {
    color: #666;
    font-size: 14px;
    margin-bottom: 8px;
}

.stat-card-value {
    color: #333;
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 8px;
}

.stat-card-trend {
    color: #666;
    font-size: 12px;
}

.stat-card-trend.up {
    color: #67C23A;
}

.stat-card-trend.down {
    color: #F56C6C;
}

/* 表格样式 */
.table-container {
    width: 100%;
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 24px;
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.table th {
    background-color: #fafafa;
    font-weight: 500;
    color: #333;
}

.table tr:hover {
    background-color: #f6f8ff;
}

.table td {
    color: #666;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    gap: 6px;
}

.btn-primary {
    background-color: #4a90e2;
    color: white;
}

.btn-primary:hover {
    background-color: #357abd;
}

.btn-default {
    background-color: white;
    color: #666;
    border: 1px solid #dcdfe6;
}

.btn-default:hover {
    color: #4a90e2;
    border-color: #4a90e2;
}

.btn-danger {
    background-color: #f56c6c;
    color: white;
}

.btn-danger:hover {
    background-color: #e64242;
}

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

.form-label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-size: 14px;
}

.form-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #dcdfe6;
    border-radius: 4px;
    font-size: 14px;
    color: #333;
    transition: all 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: #4a90e2;
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.1);
}

.form-select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #dcdfe6;
    border-radius: 4px;
    font-size: 14px;
    color: #333;
    background-color: white;
    cursor: pointer;
}

.form-select:focus {
    outline: none;
    border-color: #4a90e2;
}

/* 页脚 */
.footer {
    background-color: #f4f4f5;
    color: #909399;
    text-align: center;
    padding: 20px;
    box-shadow: 0 -1px 4px rgba(0, 21, 41, .08);
}

/* 响应式布局 */
@media screen and (max-width: 768px) {
    .header {
        padding: 0 10px;
    }

    .header-logo {
        font-size: 18px;
    }

    .container {
        position: relative;
    }

    .main-content {
        margin-left: 0;
        width: 100%;
        padding: 15px;
    }

    .stat-cards {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .table-container {
        margin: 0 -15px;
        padding: 0 15px;
    }

    .table th,
    .table td {
        padding: 8px;
        font-size: 14px;
    }

    .form-group {
        margin-bottom: 15px;
    }

    .btn {
        width: 100%;
        margin-bottom: 10px;
    }

    .footer {
        padding: 15px;
        font-size: 14px;
    }
}