/* 建诚 SOTMS 前端样式
 * 主色: #1e3a8a (深蓝) | 辅: #0d9488 (青绿) | 警示: #dc2626
 * 字体: 苹方/微软雅黑回退
 */

:root {
    --jc-primary: #1e3a8a;
    --jc-primary-dark: #1e293b;
    --jc-primary-light: #3b82f6;
    --jc-accent: #0d9488;
    --jc-warn: #f59e0b;
    --jc-danger: #dc2626;
    --jc-success: #16a34a;
    --jc-bg: #f1f5f9;
    --jc-card: #ffffff;
    --jc-border: #e2e8f0;
    --jc-text: #1e293b;
    --jc-text-muted: #64748b;
}

* { box-sizing: border-box; }

/* ========= 全局 cursor 策略 =========
 * 问题: 浏览器默认对很多元素 (p/div/span/td/h1-h6/label) 显示 text cursor (I 形竖线),
 *       在非交互文字上显示 I 形光标很奇怪, 看起来像可编辑.
 * 修复: 用 :where() 0 优先级兜底, 排除可编辑/可点击元素, 其余统一 default.
 *       :where() 不影响现有具体规则 (.btn-primary { cursor: pointer } 等).
 */
:where(body, body *) { cursor: default; }
:where(input, textarea, [contenteditable]) { cursor: text; }
:where(button, a, [role="button"], [onclick]) { cursor: pointer; }
:where(button:disabled) { cursor: not-allowed; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
                 "Microsoft YaHei", "微软雅黑", "Segoe UI", sans-serif;
    background: var(--jc-bg);
    color: var(--jc-text);
    font-size: 14px;
}

/* ========= 登录页 ========= */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e3a8a 0%, #0d9488 100%);
    padding: 20px;
}
.login-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,.2);
    width: 100%;
    max-width: 420px;
    padding: 40px;
}
.login-card h1 {
    margin: 0 0 4px;
    font-size: 22px;
    color: var(--jc-primary);
    text-align: left;
}
.login-card .logo-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--jc-border);
}
.login-card .logo-row .logo-img {
    width: 64px;
    height: 64px;
    flex-shrink: 0;
}
.login-card .logo-row .logo-text {
    flex: 1;
    min-width: 0;
}
.login-card .logo-row .sub {
    margin: 0;
    text-align: left;
    font-size: 12px;
    line-height: 1.4;
}
.login-card .sub {
    text-align: center;
    color: var(--jc-text-muted);
    margin-bottom: 30px;
    font-size: 13px;
}
.login-card .form-group { margin-bottom: 16px; }
.login-card .form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--jc-text);
}
.login-card .form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--jc-border);
    border-radius: 6px;
    font-size: 14px;
    transition: border .15s;
}
.login-card .form-control:focus {
    outline: none;
    border-color: var(--jc-primary);
    box-shadow: 0 0 0 3px rgba(30,58,138,.1);
}
.login-card .btn-primary {
    width: 100%;
    padding: 12px;
    background: var(--jc-primary);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: background .15s;
}
.login-card .btn-primary:hover { background: var(--jc-primary-dark); }
.login-card .btn-primary:disabled { background: #94a3b8; cursor: not-allowed; }
.login-card .err {
    background: #fef2f2;
    color: var(--jc-danger);
    padding: 8px 12px;
    border-radius: 4px;
    margin-bottom: 12px;
    font-size: 13px;
    display: none;
}
.login-card .err.show { display: block; }
.login-card .hint {
    margin-top: 20px;
    padding: 12px;
    background: #f8fafc;
    border-radius: 6px;
    font-size: 12px;
    color: var(--jc-text-muted);
    line-height: 1.7;
}
.login-card .hint code {
    background: #e2e8f0;
    padding: 1px 6px;
    border-radius: 3px;
    color: var(--jc-primary);
}

/* ========= 主框架 ========= */
.app-wrap { display: flex; min-height: 100vh; }

.sidebar {
    width: 240px;
    background: var(--jc-primary-dark);
    color: #cbd5e1;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
}
.sidebar-brand {
    padding: 18px 20px;
    /* v1.6.24: 与登录窗口配色一致 — 白底 + 蓝色系统名 + 灰色公司名
     * (之前是 .jc-primary 蓝色背景 + 白字, 跟 login 风格不一致) */
    background: #ffffff;
    color: var(--jc-primary);
    font-size: 16px;
    font-weight: 600;
    border-bottom: 1px solid var(--jc-border);
    line-height: 1.4;
    display: flex;
    align-items: center;
    gap: 12px;
}
.sidebar-brand .brand-logo {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
}
.sidebar-brand .brand-text {
    flex: 1;
    min-width: 0;
    color: var(--jc-primary);  /* v1.6.24: 系统名称蓝色 (跟登录页 h1 一致) */
}
.sidebar-brand small {
    display: block;
    font-size: 11px;
    font-weight: 400;
    color: #64748b;  /* v1.6.24: 公司名称灰色 (跟登录页 .sub 一致, 不用 opacity) */
    margin-top: 3px;
}
.sidebar nav { flex: 1; padding: 8px 0; overflow-y: auto; }
.sidebar nav a {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    color: #cbd5e1;
    text-decoration: none;
    font-size: 14px;
    transition: all .15s;
    border-left: 3px solid transparent;
}
.sidebar nav a:hover { background: rgba(255,255,255,.05); color: white; }
.sidebar nav a.active {
    background: var(--jc-primary);
    color: white;
    border-left-color: var(--jc-accent);
}
.sidebar nav a .ico { width: 20px; margin-right: 10px; text-align: center; }
.sidebar nav .group-label {
    padding: 12px 20px 4px;
    font-size: 11px;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    user-select: none;
    transition: color 0.15s;
}
.sidebar nav .group-label:hover { color: #cbd5e1; }
.sidebar nav .group-label::before {
    content: '▾';
    display: inline-block;
    margin-right: 6px;
    transition: transform 0.2s;
    font-size: 10px;
}
.sidebar nav .group-label.collapsed::before { transform: rotate(-90deg); }
/* v1.6.18: 折叠态 — 隐藏后续兄弟 a (直到下一个 group-label), JS 在折叠时
   给每个分组内的 a 加 inline display:none 兜底 (因为 CSS ~ 选择器无法表达"区间") */
.sidebar nav a { transition: background 0.15s, color 0.15s; }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

.topbar {
    background: white;
    border-bottom: 1px solid var(--jc-border);
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.topbar .crumbs { color: var(--jc-text-muted); font-size: 13px; }
.topbar .crumbs span { color: var(--jc-text); font-weight: 500; }
.topbar .user {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
}
.topbar .user .avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--jc-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 13px;
}
.topbar .user a { color: var(--jc-text-muted); text-decoration: none; }
.topbar .user a:hover { color: var(--jc-danger); }

.content { flex: 1; padding: 24px; overflow-y: auto; }

/* ========= 通用组件 ========= */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}
.page-header h2 { margin: 0; font-size: 20px; font-weight: 600; }
.page-header .desc { color: var(--jc-text-muted); font-size: 13px; margin-top: 4px; }
/* v1.7.4: 系统版本号 chip — 深蓝底白字, 放在 dashboard 右上角.
   文本由 /api/version 实时从 CHANGELOG.md 顶部 ## [x.y.z] 同步, 改 CHANGELOG 强刷可见. */
.version-chip {
    display: inline-block;
    padding: 2px 10px;
    background: #1e3a8a;
    color: #fff;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    line-height: 1.5;
    cursor: help;
}

.toolbar {
    background: white;
    padding: 16px;
    border-radius: 8px;
    border: 1px solid var(--jc-border);
    margin-bottom: 16px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}
.toolbar .form-control,
.toolbar .form-select {
    padding: 6px 10px;
    border: 1px solid var(--jc-border);
    border-radius: 4px;
    font-size: 13px;
    min-width: 140px;
}
.toolbar .form-control:focus,
.toolbar .form-select:focus {
    outline: none;
    border-color: var(--jc-primary);
}

.btn {
    padding: 6px 14px;
    border: 1px solid var(--jc-border);
    border-radius: 4px;
    background: white;
    color: var(--jc-text);
    cursor: pointer;
    font-size: 13px;
    transition: all .15s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.btn:hover { background: #f8fafc; }
.btn-primary {
    background: var(--jc-primary);
    color: white;
    border-color: var(--jc-primary);
}
.btn-primary:hover { background: var(--jc-primary-dark); }
.btn-success { background: var(--jc-success); color: white; border-color: var(--jc-success); }
.btn-warn { background: var(--jc-warn); color: white; border-color: var(--jc-warn); }
.btn-danger { background: var(--jc-danger); color: white; border-color: var(--jc-danger); }
.btn-sm { padding: 3px 8px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.card {
    background: white;
    border-radius: 8px;
    border: 1px solid var(--jc-border);
    overflow: hidden;
}

.table-wrap { overflow-x: auto; }
table.data {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
table.data th {
    background: #f8fafc;
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    color: var(--jc-text);
    border-bottom: 2px solid var(--jc-border);
    white-space: nowrap;
}
table.data td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--jc-border);
    color: var(--jc-text);
}
table.data tbody tr:hover { background: #f8fafc; }
table.data .actions { white-space: nowrap; }
table.data .actions .btn { margin-right: 4px; }

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 500;
}
.badge-1, .badge-success { background: #dcfce7; color: #166534; }
.badge-2, .badge-info { background: #dbeafe; color: #1e40af; }
.badge-3, .badge-warn { background: #fef3c7; color: #92400e; }
.badge-4, .badge-danger { background: #fee2e2; color: #991b1b; }
.badge-default { background: #f1f5f9; color: #475569; }

.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-top: 1px solid var(--jc-border);
    background: #f8fafc;
}
.pagination .info { color: var(--jc-text-muted); font-size: 13px; }
.pagination .pages { display: flex; gap: 4px; }
.pagination .pages button {
    min-width: 32px;
    padding: 4px 8px;
    border: 1px solid var(--jc-border);
    background: white;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
}
.pagination .pages button.active {
    background: var(--jc-primary);
    color: white;
    border-color: var(--jc-primary);
}
.pagination .pages button:disabled { opacity: .4; cursor: not-allowed; }

/* Modal */
.modal-mask {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
.modal {
    background: white;
    border-radius: 8px;
    width: 90%;
    max-width: 640px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0,0,0,.2);
}
.modal-lg { max-width: 900px; }
/* v1.6.11: 加 modal-xl 用于"班级证书详情"等宽表格 modal, 默认 900px 不够装 7+ 列 */
.modal-xl { max-width: 1200px; }
.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--jc-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-header h3 { margin: 0; font-size: 16px; }
.modal-header .close { background: none; border: none; font-size: 22px; cursor: pointer; color: #94a3b8; }
.modal-header .dirty-dot { font-size: 12px; vertical-align: middle; animation: dirtyPulse 1.5s ease-in-out infinite; }
@keyframes dirtyPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.modal-body { padding: 20px; }
.modal-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--jc-border);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    background: #f8fafc;
}
.form-group { margin-bottom: 14px; }
.form-group label {
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
    color: var(--jc-text);
    font-weight: 500;
}
.form-group label .req { color: var(--jc-danger); }
.form-group .form-control,
.form-group .form-select,
.form-group textarea {
    width: 100%;
    padding: 7px 10px;
    border: 1px solid var(--jc-border);
    border-radius: 4px;
    font-size: 13px;
    font-family: inherit;
}
.form-group .form-control:focus { outline: none; border-color: var(--jc-primary); }
.form-group .help { font-size: 12px; color: var(--jc-text-muted); margin-top: 3px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* Toast */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.toast {
    padding: 10px 16px;
    border-radius: 4px;
    color: white;
    box-shadow: 0 4px 12px rgba(0,0,0,.15);
    font-size: 13px;
    min-width: 220px;
    animation: slideIn .25s;
}
.toast-success { background: var(--jc-success); }
.toast-error { background: var(--jc-danger); }
.toast-info { background: var(--jc-primary); }
.toast-warn { background: var(--jc-warn); }

@keyframes slideIn {
    from { transform: translateX(20px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Stat cards (首页) */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card {
    background: white;
    border-radius: 8px;
    padding: 20px;
    border: 1px solid var(--jc-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.stat-card .label { color: var(--jc-text-muted); font-size: 13px; }
.stat-card .value { font-size: 28px; font-weight: 600; color: var(--jc-primary); margin-top: 4px; }
.stat-card .ico {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    background: rgba(30,58,138,.1);
    color: var(--jc-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}
.stat-card.green .ico { background: rgba(22,163,74,.1); color: var(--jc-success); }
.stat-card.orange .ico { background: rgba(245,158,11,.1); color: var(--jc-warn); }
.stat-card.red .ico { background: rgba(220,38,38,.1); color: var(--jc-danger); }
.stat-card.accent .ico { background: rgba(13,148,136,.1); color: var(--jc-accent); }  /* v1.4.9.4: 本月新增学员 - 青绿色 */
.stat-card.indigo .ico { background: rgba(79,70,229,.1); color: #4f46e5; }   /* v1.4.9.4: 当天出勤人数 - 靛蓝 */
.stat-card.purple .ico { background: rgba(124,58,237,.1); color: #7c3aed; }  /* v1.4.9.4: 待付款订单数 - 紫色 */
.stat-card.pink .ico   { background: rgba(219,39,119,.1); color: #db2777; }  /* v1.4.9.4: 待付款金额 - 粉红 */

.empty {
    padding: 40px 20px;
    text-align: center;
    color: var(--jc-text-muted);
    font-size: 13px;
}
.empty .ico { font-size: 36px; margin-bottom: 8px; opacity: .4; }

.loading {
    padding: 40px;
    text-align: center;
    color: var(--jc-text-muted);
}
.loading::before {
    content: '';
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid var(--jc-border);
    border-top-color: var(--jc-primary);
    border-radius: 50%;
    animation: spin .8s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

.chip {
    display: inline-block;
    padding: 2px 8px;
    background: #f1f5f9;
    color: var(--jc-text);
    border-radius: 4px;
    font-size: 12px;
    margin: 2px;
}

/* ====================================================
 * 响应式适配 (H5 Mobile)
 * 断点: 1024 / 768 / 480
 * ==================================================== */

/* ===== 平板横屏 (768-1023) ===== */
@media (max-width: 1023px) {
    .sidebar { width: 200px; }
    .sidebar-brand { padding: 14px 16px; font-size: 14px; }
    .sidebar nav a { padding: 8px 16px; font-size: 13px; }
    .sidebar nav a .ico { width: 18px; margin-right: 8px; }
    .topbar { padding: 0 16px; height: 52px; }
    .content { padding: 16px; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .stat-card { padding: 16px; }
    .stat-card .value { font-size: 22px; }
    .form-row { grid-template-columns: 1fr; }
    .modal { width: 95%; }
    .modal-lg { max-width: 720px; }
    /* v1.6.11: 平板宽度下 modal-xl 也适当收窄 */
    .modal-xl { max-width: 95%; }
    .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    /* 报表中心 9 张卡片: 3 列 → 2 列 */
    [data-url] { min-width: 0; }
}

/* ===== 手机 (< 768) ===== */
@media (max-width: 767px) {
    /* === 侧边栏转抽屉 === */
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        width: 260px;
        z-index: 1000;
        transform: translateX(-100%);
        transition: transform .25s ease;
        box-shadow: 0 0 20px rgba(0,0,0,.3);
    }
    .sidebar.open { transform: translateX(0); }
    .sidebar-brand { padding: 16px 20px; font-size: 15px; }
    .sidebar nav a { padding: 12px 20px; font-size: 14px; }
    .sidebar nav .group-label { padding: 14px 20px 4px; }

    .sidebar-mask {
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,.4);
        z-index: 999;
        opacity: 0;
        pointer-events: none;
        transition: opacity .25s;
    }
    .sidebar-mask.show { opacity: 1; pointer-events: auto; }

    /* === 汉堡按钮 === */
    .hamburger {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        margin-right: 10px;
        background: none;
        border: 1px solid var(--jc-border);
        border-radius: 4px;
        cursor: pointer;
        font-size: 18px;
        color: var(--jc-text);
        flex-shrink: 0;
    }
    .hamburger:active { background: #f1f5f9; }

    /* === 顶栏紧凑 === */
    .topbar { padding: 0 12px; height: 48px; }
    .topbar .crumbs { font-size: 12px; }
    .topbar .user { gap: 8px; font-size: 13px; }
    .topbar .user .user-info { display: none; }   /* 隐藏姓名+角色,留头像+退出 */
    .topbar .user .avatar { width: 28px; height: 28px; font-size: 12px; }
    .topbar .user a { font-size: 12px; }

    /* === 内容区 === */
    .content { padding: 12px; }
    .page-header { flex-direction: column; align-items: flex-start; gap: 6px; margin-bottom: 12px; }
    .page-header h2 { font-size: 17px; }
    .page-header .desc { font-size: 12px; }

    /* === 工具栏 (查询条件) === */
    .toolbar { padding: 10px; gap: 6px; flex-direction: column; align-items: stretch; }
    .toolbar .form-control,
    .toolbar .form-select { width: 100%; min-width: 0; }
    .toolbar .btn { width: 100%; justify-content: center; }
    .toolbar > * { flex: none; }

    /* === 统计卡 1 列 === */
    .stat-grid { grid-template-columns: 1fr; gap: 10px; }
    .stat-card { padding: 14px; }
    .stat-card .value { font-size: 24px; }

    /* === 表格转卡片视图 === */
    /* 隐藏表头,每行变成一张卡片 */
    table.data thead { display: none; }
    table.data,
    table.data tbody,
    table.data tr,
    table.data td { display: block; width: 100%; }
    table.data tr {
        background: white;
        border: 1px solid var(--jc-border);
        border-radius: 6px;
        margin-bottom: 10px;
        padding: 4px 0;
    }
    table.data td {
        padding: 6px 12px;
        border: none;
        border-bottom: 1px solid #f1f5f9;
        display: flex;
        justify-content: space-between;
        align-items: center;
        text-align: right;
    }
    table.data td:last-child { border-bottom: none; }
    table.data td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--jc-text-muted);
        text-align: left;
        font-size: 12px;
        flex: 0 0 auto;
        margin-right: 12px;
    }
    table.data td.no-label::before { content: ''; margin: 0; }
    table.data td.actions { justify-content: flex-end; flex-wrap: wrap; gap: 4px; }
    table.data td.actions::before { content: '操作'; }
    table.data .actions .btn { margin: 2px; }

    /* === 表格外的容器 === */
    .table-wrap { background: transparent; border: none; }
    .card { border-radius: 6px; }

    /* === 分页 === */
    .pagination { flex-direction: column; gap: 8px; padding: 10px; }
    .pagination .info { font-size: 12px; }
    .pagination .pages { flex-wrap: wrap; justify-content: center; }
    .pagination .pages button { padding: 6px 10px; min-width: 36px; }

    /* === 弹窗 === */
    .modal { width: 100%; max-width: 100%; height: 100%; max-height: 100%; border-radius: 0; }
    .modal-mask { padding: 0; }
    .modal-body { padding: 16px; }
    .modal-header { padding: 14px 16px; }
    .modal-footer { padding: 10px 16px; }

    /* === 表单 === */
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .form-group { margin-bottom: 12px; }
    .form-group .form-control,
    .form-group .form-select,
    .form-group textarea { font-size: 16px; padding: 10px 12px; }  /* 16px 防止 iOS 自动放大 */

    /* === Toast === */
    .toast-container { left: 12px; right: 12px; top: 12px; }
    .toast { min-width: 0; width: 100%; }

    /* === 报表中心: 1 列卡片 === */
    .stat-grid > [data-url] { flex-direction: column; align-items: stretch; }

    /* === 登录页 === */
    .login-wrap { padding: 12px; }
    .login-card { padding: 24px 20px; }
    .login-card h1 { font-size: 20px; }
    .login-card .sub { font-size: 12px; margin-bottom: 20px; }
    .login-card .form-group .form-control { font-size: 16px; padding: 12px; }  /* 防 iOS 放大 */
    .login-card .btn-primary { padding: 14px; font-size: 16px; }
    .login-card .hint { font-size: 11px; padding: 10px; }

    /* === 班级花名册弹窗内的表格也走卡片视图 === */
    .modal-body .table-wrap table.data thead { display: none; }
    .modal-body .table-wrap table.data,
    .modal-body .table-wrap table.data tbody,
    .modal-body .table-wrap table.data tr,
    .modal-body .table-wrap table.data td { display: block; width: 100%; }
    .modal-body .table-wrap table.data tr { margin-bottom: 8px; }
    .modal-body .table-wrap table.data td {
        padding: 6px 12px;
        border: none;
        border-bottom: 1px solid #f1f5f9;
        display: flex;
        justify-content: space-between;
    }
    .modal-body .table-wrap table.data td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--jc-text-muted);
        font-size: 12px;
    }
}

/* ===== 小屏手机 (< 480) ==== */
@media (max-width: 479px) {
    .stat-card .value { font-size: 20px; }
    .stat-card .ico { width: 40px; height: 40px; font-size: 18px; }
    .toolbar .form-control,
    .toolbar .form-select { font-size: 16px; }  /* 防 iOS 放大 */
    .btn { padding: 8px 12px; }
    .badge { font-size: 10px; padding: 1px 6px; }
}

/* === v1.8.7: 表格内 ID + 编号 复制按钮 (统一风格) === */
.cls-id {
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;
    color: #64748b;
    font-size: 12px;
}
.cls-classno {
    background: #f1f5f9;
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 11px;
    color: #475569;
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Consolas, monospace;
}
.btn-copy-id {
    background: transparent;
    border: 1px solid #e2e8f0;
    color: #64748b;
    padding: 1px 5px;
    margin-left: 4px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 11px;
    line-height: 1.2;
    transition: all 0.15s;
}
.btn-copy-id:hover {
    background: #f1f5f9;
    color: #1e40af;
    border-color: #cbd5e1;
}

/* === 桌面端默认隐藏汉堡 === */
@media (min-width: 768px) {
    .hamburger { display: none; }
    .sidebar-mask { display: none !important; }
}