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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
    line-height: 1.5;
    background-color: #f5f5f5;
    color: #333;
}

/* 布局样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 表单样式 */
.form-group {
    margin-bottom: 15px;
}

.form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s;
}

.form-control:focus {
    border-color: #1890ff;
    outline: none;
    box-shadow: 0 0 0 2px rgba(24,144,255,0.2);
}

/* 表格样式 */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    background-color: #fff;
    border-radius: 4px;
    overflow: hidden;
}

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #f0f0f0;
}

.table th {
    background-color: #fafafa;
    font-weight: 500;
    color: #1a1a1a;
}

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

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background-color: #1890ff;
    color: white;
}

.btn-primary:hover {
    background-color: #40a9ff;
}

.btn-danger {
    background-color: #ff4d4f;
    color: white;
}

.btn-danger:hover {
    background-color: #ff7875;
}

/* 卡片样式 */
.card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    padding: 20px;
}

/* 提示消息样式 */
.alert {
    padding: 12px 16px;
    margin-bottom: 16px;
    border-radius: 4px;
    border: 1px solid transparent;
}

.alert-success {
    color: #52c41a;
    background-color: #f6ffed;
    border-color: #b7eb8f;
}

.alert-error {
    color: #ff4d4f;
    background-color: #fff2f0;
    border-color: #ffccc7;
}

/* 工具类 */
.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 1.5rem;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.d-flex {
    display: flex;
}

.justify-content-between {
    justify-content: space-between;
}

.align-items-center {
    align-items: center;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .table th,
    .table td {
        padding: 8px;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 8px;
    }
}

/* 暗色模式支持 */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1f1f1f;
        color: #fff;
    }
    
    .card {
        background-color: #2d2d2d;
    }
    
    .table {
        background-color: #2d2d2d;
    }
    
    .table th {
        background-color: #3d3d3d;
        color: #fff;
    }
    
    .table td {
        border-bottom-color: #3d3d3d;
    }
    
    .table tr:hover {
        background-color: #3d3d3d;
    }
    
    .form-control {
        background-color: #3d3d3d;
        border-color: #4d4d4d;
        color: #fff;
    }
}