/* ============================================
   全局样式 - 订单序列号管理系统
   主色: #0052D9
   ============================================ */

:root {
    --primary: #0052D9;
    --primary-light: #e6f0ff;
    --primary-dark: #003bb5;
    --success: #52c41a;
    --warning: #faad14;
    --error: #e54545;
    --info: #1890ff;
    --bg: #f5f7fa;
    --card-bg: #fff;
    --text: #1d2129;
    --text-secondary: #4e5969;
    --text-muted: #86909c;
    --border: #e5e6eb;
    --shadow: 0 2px 12px rgba(0,0,0,0.06);
    --shadow-hover: 0 4px 20px rgba(0,0,0,0.1);
    --radius: 6px;
    --sidebar-width: 220px;
    --header-height: 56px;
    --transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", sans-serif;
    font-size: 14px;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

/* 滚动条 */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #c9cdd4;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #86909c;
}

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

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 24px;
    min-height: 100vh;
    transition: var(--transition);
}

/* 页面标题 */
.page-header {
    margin-bottom: 24px;
}
.page-header h1 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
}
.page-header .subtitle {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* 卡片 */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 16px;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.card-header h2 {
    font-size: 16px;
    font-weight: 600;
}

/* 表格 */
.table-wrap {
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
th, td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
th {
    font-weight: 600;
    color: var(--text-secondary);
    background: #fafbfc;
    white-space: nowrap;
}
tr:hover td {
    background: #fafbfc;
}

/* 分页 */
.pagination {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
    margin-top: 16px;
}
.pagination button {
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    border: 1px solid var(--border);
    background: #fff;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 13px;
    transition: var(--transition);
}
.pagination button:hover:not(:disabled) {
    border-color: var(--primary);
    color: var(--primary);
}
.pagination button.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 状态标签 */
.tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 500;
}
.tag-success { background: #e6f7e6; color: #52c41a; border: 1px solid #b7eb8f; }
.tag-warning { background: #fff7e6; color: #faad14; border: 1px solid #ffe58f; }
.tag-error   { background: #fff1f0; color: #e54545; border: 1px solid #ffccc7; }
.tag-info    { background: #e8f0fe; color: #0052D9; border: 1px solid #91d5ff; }
.tag-primary { background: #e6f0ff; color: #0052D9; border: 1px solid #91bbff; }
.tag-default { background: #f2f3f5; color: var(--text-secondary); border: 1px solid var(--border); }

/* 空状态 */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--text-muted);
}
.empty-state svg {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
    opacity: 0.3;
}
.empty-state p {
    font-size: 14px;
}

/* 加载 */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}
.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 响应式 */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
        padding: 16px;
    }
    .card {
        padding: 16px;
    }
    table {
        font-size: 12px;
    }
    th, td {
        padding: 8px 10px;
    }
}

/* 手机端 <= 480px 的响应式规则已统一迁移至 mobile.css，
   避免与 mobile.css 中的表格/卡片/工具栏规则冲突 */