/* =========================================================
   SaaS 现代后台主题 v20260730a
   设计参考：圆角大卡片、柔和渐变背景、彩色 KPI 卡片、
   左侧图标导航、顶部欢迎栏。
   仅做视觉层增强，不破坏原有 class 语义。
   ========================================================= */

:root {
    /* 主色调：蓝紫色系 */
    --st-primary: #5b6cf9;
    --st-primary-hover: #4a59e0;
    --st-primary-light: #eef0ff;
    --st-secondary: #a259f7;
    --st-success: #52c41a;
    --st-warning: #faad14;
    --st-danger: #ff4d4f;
    --st-info: #1890ff;

    /* 中性色 */
    --st-bg: #f4f7fe;
    --st-card: #ffffff;
    --st-text: #1f2937;
    --st-text-secondary: #6b7280;
    --st-border: #e5e7eb;
    --st-sidebar-bg: #ffffff;
    --st-sidebar-active: #f3f4ff;
    --st-sidebar-text: #4b5563;

    /* 圆角 / 阴影 / 间距 */
    --st-radius: 18px;
    --st-radius-sm: 12px;
    --st-shadow: 0 4px 20px rgba(91, 108, 249, 0.08);
    --st-shadow-hover: 0 8px 28px rgba(91, 108, 249, 0.14);
    --st-gap: 20px;
    --st-top-h: 64px;
    --st-sidebar-w: 240px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; min-height: 100vh; }
body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    background: var(--st-bg);
    color: var(--st-text);
    -webkit-font-smoothing: antialiased;
}

/* ===== 顶部栏 ===== */
.top-nav {
    height: var(--st-top-h);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(229, 231, 235, 0.6);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
}
.top-nav .logo {
    font-size: 16px;
    font-weight: 700;
    color: var(--st-text);
    display: flex;
    align-items: center;
    gap: 12px;
}
.top-nav .logo::before {
    content: '';
    width: 42px; height: 42px;
    border-radius: 10px;
    background: url(/static/images/logo-xinyin.jpg?v=20260910l) center/cover no-repeat;
    display: inline-block;
}
.top-nav .logo span { color: var(--st-primary); font-weight: 700; }
.top-nav .user-info {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 14px;
    color: var(--st-text-secondary);
}
.top-nav .user-info a {
    color: var(--st-text-secondary);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 8px;
    transition: all .2s;
}
.top-nav .user-info a:hover { background: var(--st-primary-light); color: var(--st-primary); }

/* ===== 汉堡菜单按钮（移动端） ===== */
.menu-toggle {
    display: none;
    width: 40px; height: 40px;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--st-primary-light);
    border-radius: 10px;
    cursor: pointer;
    color: var(--st-primary);
    font-size: 20px;
    margin-right: 12px;
}

/* ===== 侧边栏 ===== */
.sidebar {
    width: var(--st-sidebar-w);
    background: var(--st-sidebar-bg);
    position: fixed;
    top: var(--st-top-h); left: 0; bottom: 0;
    border-right: 1px solid rgba(229, 231, 235, 0.6);
    padding: 16px 12px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 6px;
    box-shadow: 2px 0 16px rgba(0,0,0,0.03);
}
.sidebar .menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 16px;
    font-size: 14px;
    color: var(--st-sidebar-text);
    text-decoration: none;
    border-radius: 12px;
    transition: all .2s;
    border-left: none;
    font-weight: 500;
}
.sidebar .menu-item:hover {
    background: var(--st-primary-light);
    color: var(--st-primary);
}
.sidebar .menu-item.active {
    background: linear-gradient(135deg, var(--st-primary), var(--st-secondary));
    color: #fff;
    box-shadow: 0 4px 12px rgba(91, 108, 249, 0.28);
}
.sidebar .menu-item .icon {
    width: 22px; height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex: none;
}

/* ===== 主内容区 ===== */
.main-content {
    margin-left: var(--st-sidebar-w);
    margin-top: var(--st-top-h);
    padding: var(--st-gap);
    min-height: calc(100vh - var(--st-top-h));
}
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}
.page-header h4 {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    color: var(--st-text);
}
.page-header .welcome {
    font-size: 14px;
    color: var(--st-text-secondary);
    margin-top: 4px;
}

/* ===== 卡片 ===== */
.card {
    background: var(--st-card);
    border-radius: var(--st-radius);
    border: none;
    padding: 24px;
    margin-bottom: var(--st-gap);
    box-shadow: var(--st-shadow);
    transition: box-shadow .2s;
}
.card:hover { box-shadow: var(--st-shadow-hover); }
.card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--st-text);
    margin-bottom: 18px;
}

/* ===== KPI 彩色卡片 ===== */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--st-gap);
    margin-bottom: var(--st-gap);
}
.stat-card {
    background: var(--st-card);
    border-radius: var(--st-radius);
    padding: 22px;
    box-shadow: var(--st-shadow);
    position: relative;
    overflow: hidden;
    transition: transform .2s, box-shadow .2s;
    border: none;
}
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--st-shadow-hover); }
.stat-card::before {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 90px; height: 90px;
    border-radius: 50%;
    transform: translate(30%, -30%);
    opacity: .18;
}
.stat-card:nth-child(1)::before { background: var(--st-primary); }
.stat-card:nth-child(2)::before { background: var(--st-secondary); }
.stat-card:nth-child(3)::before { background: var(--st-info); }
.stat-card:nth-child(4)::before { background: var(--st-success); }
.stat-card:nth-child(5)::before { background: var(--st-warning); }
.stat-card:nth-child(6)::before { background: var(--st-danger); }
.stat-card .sc-label {
    font-size: 13px;
    color: var(--st-text-secondary);
    margin-bottom: 10px;
    font-weight: 500;
}
.stat-card .sc-num {
    font-size: 28px;
    font-weight: 800;
    color: var(--st-text);
    line-height: 1.2;
}
.stat-card .sc-sub {
    font-size: 12px;
    color: var(--st-text-secondary);
    margin-top: 8px;
    opacity: .8;
}

/* ===== 按钮 ===== */
.btn-primary, .btn-outline, .btn-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    padding: 9px 18px;
    cursor: pointer;
    transition: all .2s;
    line-height: 1.4;
}
.btn-primary { background: linear-gradient(135deg, var(--st-primary), var(--st-secondary)); color: #fff; box-shadow: 0 4px 12px rgba(91,108,249,.22); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(91,108,249,.32); color: #fff; }
.btn-outline { background: #fff; border: 1px solid var(--st-border); color: var(--st-text-secondary); }
.btn-outline:hover { border-color: var(--st-primary); color: var(--st-primary); background: var(--st-primary-light); }
.btn-danger { background: #fff; border: 1px solid #ffccc7; color: var(--st-danger); }
.btn-danger:hover { background: #fff2f0; }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.link-btn { border: none; background: transparent; color: var(--st-primary); cursor: pointer; font-size: 13px; padding: 0; }
.link-btn:hover { text-decoration: underline; }

/* ===== 工具栏 / 表单 ===== */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    flex-wrap: wrap;
    gap: 12px;
}
.toolbar .search-box { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.toolbar .search-box select,
.toolbar .search-box input[type="text"],
.toolbar .search-box input[type="date"] {
    height: 40px;
    border: 1px solid var(--st-border);
    border-radius: 10px;
    padding: 0 12px;
    font-size: 14px;
    background: #fff;
    color: var(--st-text);
    outline: none;
    transition: border-color .2s, box-shadow .2s;
}
.toolbar .search-box select:focus,
.toolbar .search-box input:focus { border-color: var(--st-primary); box-shadow: 0 0 0 3px rgba(91,108,249,.1); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; color: var(--st-text); font-weight: 500; margin-bottom: 8px; }
.form-group label .required { color: var(--st-danger); margin-right: 4px; }
.form-group .form-control {
    width: 100%;
    height: 42px;
    border: 1px solid var(--st-border);
    border-radius: 10px;
    padding: 0 14px;
    font-size: 14px;
    background: #fff;
    color: var(--st-text);
    outline: none;
    transition: border-color .2s, box-shadow .2s;
}
.form-group .form-control:focus { border-color: var(--st-primary); box-shadow: 0 0 0 3px rgba(91,108,249,.1); }

/* ===== 表格 ===== */
.table-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-wrap table { min-width: 640px; }
table { width: 100%; border-collapse: separate; border-spacing: 0; }
table th {
    background: #fafbff;
    padding: 14px 12px;
    font-size: 13px;
    color: var(--st-text-secondary);
    font-weight: 600;
    border-bottom: 1px solid var(--st-border);
    text-align: left;
    white-space: nowrap;
}
table td {
    padding: 14px 12px;
    font-size: 14px;
    color: var(--st-text);
    border-bottom: 1px solid var(--st-border);
    vertical-align: middle;
}
table tr:last-child td { border-bottom: none; }
table tr:hover td { background: #fafbff; }

/* ===== 标签 / 徽标 ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}
.badge-success { background: #f6ffed; color: #389e0d; }
.badge-danger { background: #fff2f0; color: #cf1322; }
.badge-info { background: #e6f7ff; color: #096dd9; }
.badge-warning { background: #fffbe6; color: #d48806; }
.sn-tag {
    font-family: Consolas, monospace;
    background: #f3f4ff;
    border: 1px solid #d6dcff;
    border-radius: 6px;
    padding: 2px 8px;
    font-size: 13px;
    color: var(--st-primary);
    font-weight: 500;
}

/* ===== 分页 ===== */
.pagination {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 6px;
    margin-top: 18px;
    flex-wrap: wrap;
}
.pagination .page-btn {
    min-width: 34px; height: 34px;
    border: 1px solid var(--st-border);
    border-radius: 10px;
    background: #fff;
    color: var(--st-text-secondary);
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .2s;
}
.pagination .page-btn:hover { border-color: var(--st-primary); color: var(--st-primary); background: var(--st-primary-light); }
.pagination .page-btn.active { background: var(--st-primary); border-color: var(--st-primary); color: #fff; }
.pagination .page-btn.disabled { cursor: not-allowed; opacity: 0.5; }
.pagination .page-info { font-size: 13px; color: var(--st-text-secondary); margin: 0 8px; }

/* ===== 提示 / 空态 ===== */
.readonly-tip {
    background: linear-gradient(135deg, #fffbe6, #fff7e0);
    border: 1px solid #ffe58f;
    border-radius: var(--st-radius-sm);
    padding: 12px 16px;
    font-size: 13px;
    color: #ad8b00;
    margin-bottom: var(--st-gap);
}
.empty-text { text-align: center; padding: 50px; color: var(--st-text-secondary); font-size: 14px; }
.toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px 24px;
    border-radius: 10px;
    font-size: 14px;
    color: #fff;
    z-index: 99999;
    display: none;
    box-shadow: 0 4px 16px rgba(0,0,0,.18);
}
.toast.success { background: var(--st-success); }
.toast.error { background: var(--st-danger); }

/* ===== 模态框 ===== */
.syslinks-mask {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}
.syslinks-dialog {
    width: 520px;
    max-width: 100%;
    background: #fff;
    border-radius: var(--st-radius);
    box-shadow: 0 20px 50px rgba(0,0,0,.25);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: 86vh;
}
.syslinks-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    border-bottom: 1px solid var(--st-border);
    font-size: 17px;
    font-weight: 700;
    color: var(--st-text);
}
.syslinks-close { border: none; background: none; font-size: 26px; color: #9ca3af; cursor: pointer; line-height: 1; }
.syslinks-close:hover { color: var(--st-text); }
.syslinks-body { padding: 10px 22px 22px; overflow-y: auto; }
.slm-group { margin-top: 16px; }
.slm-group-title { font-size: 13px; color: var(--st-text-secondary); margin-bottom: 8px; border-left: 3px solid var(--st-primary); padding-left: 8px; font-weight: 600; }
.slm-row { display: flex; align-items: center; padding: 10px 0; border-bottom: 1px dashed var(--st-border); gap: 10px; }
.slm-label { width: 110px; flex: none; font-size: 14px; color: var(--st-text); font-weight: 500; }
.slm-link { flex: 1; font-size: 12px; color: var(--st-primary); background: #f8f9ff; padding: 6px 10px; border-radius: 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.slm-copy { border: none; background: var(--st-primary); color: #fff; font-size: 12px; padding: 6px 14px; border-radius: 6px; cursor: pointer; flex: none; }
.slm-copy:hover { background: var(--st-primary-hover); }

/* ===== 登录页 ===== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f4f7fe 0%, #eef0ff 50%, #f8f4ff 100%);
    padding: 20px;
}
.login-card {
    background: rgba(255,255,255,.95);
    border-radius: var(--st-radius);
    box-shadow: 0 20px 60px rgba(91,108,249,.14);
    width: 420px;
    max-width: 100%;
    padding: 40px 36px;
    backdrop-filter: blur(8px);
}
.login-card .logo-area { text-align: center; margin-bottom: 28px; }
.login-card .logo-area .logo-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    background: url(/static/images/logo-xinyin.jpg?v=20260910l) center/cover no-repeat #fff;
    margin: 0 auto 12px;
    box-shadow: 0 6px 16px rgba(91,108,249,.24);
}
.login-card .logo-area h3 { margin: 0 0 6px; font-size: 22px; color: var(--st-text); }
.login-card .logo-area p { margin: 0; font-size: 13px; color: var(--st-text-secondary); }
.login-card .form-control { height: 46px; border-radius: 12px; padding: 0 16px; }
.login-card .btn-primary { width: 100%; height: 46px; border-radius: 12px; font-size: 15px; }

/* ===== 信息行（个人中心） ===== */
.info-list { background: #fff; border-radius: var(--st-radius-sm); overflow: hidden; }
.info-row { display: flex; padding: 16px 20px; border-bottom: 1px solid var(--st-border); font-size: 14px; }
.info-row:last-child { border-bottom: none; }
.info-row .label { width: 120px; color: var(--st-text-secondary); flex: none; }
.info-row .value { color: var(--st-text); font-weight: 600; flex: 1; }

/* ===== 移动端适配（核心） ===== */
@media (max-width: 768px) {
    :root { --st-sidebar-w: 0; }
    .menu-toggle { display: inline-flex; }
    .top-nav { padding: 0 16px; }
    .top-nav .logo { font-size: 15px; }
    .top-nav .logo::before { width: 34px; height: 34px; }
    .top-nav .user-info { gap: 8px; font-size: 13px; }

    .sidebar {
        transform: translateX(-100%);
        width: 260px;
        top: var(--st-top-h);
        box-shadow: 4px 0 24px rgba(0,0,0,.12);
        transition: transform .25s ease;
    }
    .sidebar.open { transform: translateX(0); }
    .sidebar-backdrop {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,.4);
        z-index: 998;
    }
    .sidebar-backdrop.show { display: block; }

    .main-content { margin-left: 0; padding: 14px; }
    .page-header { flex-direction: column; align-items: flex-start; gap: 8px; margin-bottom: 18px; }
    .page-header h4 { font-size: 18px; }

    .stat-cards { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .stat-card { padding: 16px; }
    .stat-card .sc-num { font-size: 22px; }

    .toolbar { flex-direction: column; align-items: stretch; gap: 10px; }
    .toolbar .search-box { flex-direction: column; align-items: stretch; width: 100%; }
    .toolbar .search-box select,
    .toolbar .search-box input,
    .toolbar .search-box button { width: 100%; }

    .card { padding: 16px; border-radius: var(--st-radius-sm); }

    /* 表格在移动端：横向滚动 + 紧凑 */
    .table-wrap table { min-width: 680px; }
    table th, table td { padding: 12px 10px; font-size: 13px; }

    /* 登录页 */
    .login-card { padding: 28px 22px; }

    /* 分页居中 */
    .pagination { justify-content: center; }
}

@media (max-width: 480px) {
    .stat-cards { grid-template-columns: 1fr; }
    .page-header .welcome { display: none; }
    .top-nav .user-info a { padding: 4px 8px; }
}

/* ===== 兼容原 admin 旧结构 ===== */
body.admin-theme .top-nav .logo::before { display: none; }