/* =============================================
   庆合科技 · 认证业务管理系统 V2
   钉钉风格 UI
   ============================================= */

:root {
    --dt-blue: #2F54EB;
    --dt-blue-light: #597EF7;
    --dt-blue-dark: #1D3EBD;
    --dt-blue-bg: #F0F5FF;
    --dt-sidebar-bg: #001529;
    --dt-sidebar-hover: #0C2135;
    --dt-sidebar-active: #2F54EB;
    --dt-text: #1F1F1F;
    --dt-text-secondary: #8C8C8C;
    --dt-border: #F0F0F0;
    --dt-bg: #F5F7FA;
    --dt-card-shadow: 0 1px 4px rgba(0,0,0,0.08);
    --dt-radius: 8px;
    --sidebar-width: 210px;
    --sidebar-collapsed: 64px;
    --topbar-height: 52px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
    background: var(--dt-bg);
    color: var(--dt-text);
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

/* ============ 左侧导航栏 ============ */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background: var(--dt-sidebar-bg);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1000;
    transition: transform 0.3s;
}

.sidebar-logo {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    padding: 0 20px;
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    white-space: nowrap;
}

.sidebar-logo i {
    font-size: 22px;
    color: var(--dt-blue-light);
    margin-right: 10px;
}

.sidebar-logo-text {
    letter-spacing: 1px;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
}

.sidebar-nav .nav-item {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.sidebar-nav .nav-item i {
    font-size: 18px;
    margin-right: 12px;
    width: 20px;
    text-align: center;
}

.sidebar-nav .nav-item:hover {
    color: #fff;
    background: var(--dt-sidebar-hover);
}

.sidebar-nav .nav-item.active {
    color: #fff;
    background: rgba(47,84,235,0.2);
    border-left-color: var(--dt-blue-light);
}

.sidebar-nav .nav-item.active i {
    color: var(--dt-blue-light);
}

.nav-divider {
    height: 1px;
    background: rgba(255,255,255,0.08);
    margin: 8px 16px;
}

/* ============ 侧边栏子菜单 ============ */
.nav-item-group > .nav-item {
    cursor: pointer;
}

.subnav-arrow {
    margin-left: auto;
    font-size: 12px;
    transition: transform 0.2s;
}

.nav-item-group.open > .nav-item .subnav-arrow {
    transform: rotate(180deg);
}

.sub-nav {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
}

.nav-item-group.open > .sub-nav {
    max-height: 300px;
}

.sub-nav-item {
    display: flex;
    align-items: center;
    padding: 8px 20px 8px 52px;
    color: rgba(255,255,255,0.55);
    text-decoration: none;
    font-size: 13px;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.sub-nav-item i {
    font-size: 14px;
    margin-right: 8px;
    width: 16px;
    text-align: center;
}

.sub-nav-item:hover {
    color: #fff;
    background: var(--dt-sidebar-hover);
}

.sub-nav-item.active {
    color: var(--dt-blue-light);
    background: rgba(47,84,235,0.15);
    border-left-color: var(--dt-blue-light);
}

.sidebar-footer {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 8px 0;
}

.sidebar-footer .nav-item {
    color: rgba(255,255,255,0.5);
    font-size: 13px;
}

.sidebar-footer .nav-item:hover {
    color: #ff6b6b;
}

/* ============ 主内容区 ============ */
.main-area {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ============ 顶部工具栏 ============ */
.topbar {
    height: var(--topbar-height);
    background: #fff;
    border-bottom: 1px solid var(--dt-border);
    display: flex;
    align-items: center;
    padding: 0 20px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar-breadcrumb {
    flex: 1;
    font-size: 15px;
    font-weight: 600;
    color: var(--dt-text);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.topbar-search {
    display: flex;
    align-items: center;
    background: var(--dt-bg);
    border-radius: 20px;
    padding: 4px 14px;
    transition: all 0.3s;
}

.topbar-search:focus-within {
    background: #fff;
    box-shadow: 0 0 0 2px var(--dt-blue-bg);
}

.topbar-search i {
    color: var(--dt-text-secondary);
    margin-right: 6px;
}

.topbar-search input {
    border: none;
    outline: none;
    background: transparent;
    font-size: 13px;
    width: 180px;
    padding: 4px 0;
}

.btn-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--dt-text-secondary);
    text-decoration: none;
    transition: all 0.2s;
    position: relative;
}

.btn-icon:hover {
    background: var(--dt-bg);
    color: var(--dt-text);
}

.notification-dot {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 8px;
    height: 8px;
    background: #ff4d4f;
    border-radius: 50%;
    border: 2px solid #fff;
}

.topbar-user .user-avatar {
    text-decoration: none;
}

.avatar-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--dt-blue);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
}

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 22px;
    color: var(--dt-text);
    margin-right: 12px;
    display: none;
}

/* ============ 页面内容区 ============ */
.page-content {
    padding: 20px;
    flex: 1;
}

.flash-container {
    padding: 12px 20px 0;
}

.flash-container .alert {
    border-radius: var(--dt-radius);
    font-size: 13px;
}

/* ============ 卡片 ============ */
.dt-card {
    background: #fff;
    border-radius: var(--dt-radius);
    box-shadow: var(--dt-card-shadow);
    border: none;
}

.dt-card .card-header {
    background: #fff;
    border-bottom: 1px solid var(--dt-border);
    padding: 14px 20px;
    font-weight: 600;
    border-radius: var(--dt-radius) var(--dt-radius) 0 0;
}

.dt-card .card-body {
    padding: 16px 20px;
}

/* ============ 页面标题 ============ */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.page-header h4 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    color: var(--dt-text);
}

/* ============ 钉钉风格按钮 ============ */
.btn-dt {
    border-radius: 6px;
    font-size: 13px;
    padding: 6px 16px;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-dt-primary {
    background: var(--dt-blue);
    border-color: var(--dt-blue);
    color: #fff;
}

.btn-dt-primary:hover {
    background: var(--dt-blue-light);
    border-color: var(--dt-blue-light);
    color: #fff;
}

.btn-dt-outline {
    background: #fff;
    border: 1px solid var(--dt-border);
    color: var(--dt-text);
}

.btn-dt-outline:hover {
    border-color: var(--dt-blue);
    color: var(--dt-blue);
}

/* ============ 统计卡片 ============ */
.stat-card {
    background: #fff;
    border-radius: var(--dt-radius);
    padding: 16px 20px;
    box-shadow: var(--dt-card-shadow);
    display: flex;
    align-items: center;
    gap: 14px;
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.stat-icon.blue { background: #E8F0FE; color: var(--dt-blue); }
.stat-icon.green { background: #E8F8E8; color: #52C41A; }
.stat-icon.orange { background: #FFF7E6; color: #FA8C16; }
.stat-icon.red { background: #FFF1F0; color: #F5222D; }
.stat-icon.purple { background: #F0E8FE; color: #722ED1; }
.stat-icon.cyan { background: #E6FFFB; color: #13C2C2; }

.stat-info .stat-value {
    font-size: 26px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--dt-text);
}

.stat-info .stat-label {
    font-size: 13px;
    color: var(--dt-text-secondary);
}

/* ============ 看板 ============ */
.kanban-column {
    background: var(--dt-bg);
    border: none;
    border-radius: var(--dt-radius);
}

.kanban-column .card-header {
    font-size: 13px;
    font-weight: 600;
    padding: 10px 14px;
}

.kanban-card {
    border-radius: 6px;
    border: none;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    border-left: 3px solid var(--dt-blue);
    transition: all 0.2s;
}

.kanban-card:hover {
    box-shadow: 0 3px 10px rgba(0,0,0,0.12);
    transform: translateY(-1px);
}

.kanban-card.border-danger { border-left-color: #F5222D; }
.kanban-card.border-warning { border-left-color: #FA8C16; }

/* ============ 看板 V2 - 更直观 ============ */

/* 节点统计条 */
.kanban-stats {
    background: #fff;
    border-radius: var(--dt-radius);
    padding: 12px 16px;
    border: 1px solid var(--dt-border);
    box-shadow: var(--dt-card-shadow);
}

.kanban-stat-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s;
    background: #F6F8FC;
    border: 1px solid #E8E8E8;
    font-size: 13px;
    user-select: none;
}

.kanban-stat-item:hover {
    background: var(--dt-blue-bg);
    border-color: var(--dt-blue);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(47,84,235,0.12);
}

.kanban-stat-empty {
    opacity: 0.5;
}

.kanban-stat-empty:hover {
    opacity: 0.8;
}

.kanban-stat-name {
    font-weight: 500;
    color: var(--dt-text);
}

.kanban-stat-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 700;
    padding: 0 6px;
}

.count-warning {
    background: #FFF1F0;
    color: #F5222D;
}

.count-mid {
    background: #FFF7E6;
    color: #FA8C16;
}

.count-low {
    background: #F6FFED;
    color: #52C41A;
}

.count-zero {
    background: #F5F5F5;
    color: #BFBFBF;
}

/* 看板网格 - 自动换行 */
.kanban-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: flex-start;
}

/* 每列（每个节点） */
.kanban-column-wrapper {
    flex: 1 1 280px;
    max-width: 340px;
    min-width: 260px;
    background: #F8F9FB;
    border-radius: 10px;
    border: 1px solid #E8ECF0;
    transition: box-shadow 0.3s;
    overflow: hidden;
}

.kanban-column-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: #fff;
    border-bottom: 1px solid #E8ECF0;
    position: sticky;
    top: 0;
    z-index: 1;
}

.kanban-col-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--dt-text);
}

.kanban-col-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 11px;
    background: var(--dt-blue);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
}

.kanban-col-body {
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 70vh;
    overflow-y: auto;
}

.kanban-col-body::-webkit-scrollbar {
    width: 4px;
}

.kanban-col-body::-webkit-scrollbar-thumb {
    background: #D9D9D9;
    border-radius: 2px;
}

/* 卡片项 */
.kanban-card-item {
    background: #fff;
    border-radius: 8px;
    padding: 10px 12px;
    border: 1px solid #E8ECF0;
    border-left: 3px solid var(--dt-blue);
    transition: all 0.2s;
    position: relative;
}

.kanban-card-item:hover {
    box-shadow: 0 3px 12px rgba(0,0,0,0.08);
    transform: translateY(-1px);
    border-color: #D0D5DD;
}

.kanban-card-item.card-urgent {
    border-left-color: #F5222D;
    background: linear-gradient(135deg, #fff 0%, #FFF1F0 100%);
}

.kanban-card-item.card-high {
    border-left-color: #FA8C16;
    background: linear-gradient(135deg, #fff 0%, #FFF7E6 100%);
}

.kcard-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.kcard-no {
    font-size: 12px;
    font-weight: 600;
    color: var(--dt-blue);
    font-family: 'Courier New', monospace;
}

.kcard-priority {
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 3px;
    font-weight: 500;
    line-height: 1.4;
}

.tag-urgent {
    background: #FFF1F0;
    color: #F5222D;
}

.tag-high {
    background: #FFF7E6;
    color: #FA8C16;
}

.tag-normal {
    background: #F5F5F5;
    color: #BFBFBF;
}

.kcard-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--dt-text);
    margin-bottom: 6px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.kcard-meta {
    display: flex;
    gap: 12px;
    font-size: 11px;
    color: var(--dt-text-secondary);
    margin-bottom: 4px;
}

.kcard-meta i {
    margin-right: 3px;
    font-size: 11px;
}

.team-tag {
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 3px;
    font-weight: 500;
}

.team-cs {
    background: #FFF7E6;
    color: #D48806;
}

.team-sh {
    background: #E6F7FF;
    color: #096DD9;
}

.team-none {
    background: #F5F5F5;
    color: #BFBFBF;
}

.kcard-time {
    font-size: 11px;
    color: var(--dt-text-secondary);
}

.kcard-time i {
    font-size: 10px;
}

.kcard-progress {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
}

.kcard-progress-text {
    font-size: 10px;
    color: var(--dt-text-secondary);
    flex-shrink: 0;
}

.kcard-deadline {
    font-size: 10px;
    color: #FA8C16;
    margin-top: 4px;
}

.kcard-deadline i {
    font-size: 10px;
    margin-right: 2px;
}

/* 看板空状态响应 */
@media (max-width: 768px) {
    .kanban-column-wrapper {
        flex: 1 1 100%;
        max-width: 100%;
        min-width: 0;
    }
    .kanban-stats {
        padding: 10px;
    }
    .kanban-stat-item {
        font-size: 12px;
        padding: 3px 10px;
    }
}

/* ============ 流程步骤 ============ */
.flow-steps {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 10px 0;
    overflow-x: auto;
}

.flow-step {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.step-circle {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    background: #E8E8E8;
    color: #8C8C8C;
    flex-shrink: 0;
}

.flow-step.active .step-circle {
    background: var(--dt-blue);
    color: #fff;
    box-shadow: 0 0 0 4px var(--dt-blue-bg);
}

.flow-step.completed .step-circle {
    background: #52C41A;
    color: #fff;
}

.step-label {
    margin-left: 6px;
    white-space: nowrap;
    font-size: 12px;
    color: var(--dt-text-secondary);
}

.flow-step.active .step-label { color: var(--dt-blue); font-weight: 600; }
.flow-step.completed .step-label { color: #52C41A; }

.step-line {
    width: 24px;
    height: 2px;
    background: #E8E8E8;
    margin: 0 6px;
    flex-shrink: 0;
}

.step-line.active { background: #52C41A; }

/* ============ 审批流程图 ============ */
.approval-flow {
    display: flex;
    align-items: center;
    gap: 0;
    overflow-x: auto;
    padding: 16px 0;
}

.approval-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 100px;
    flex-shrink: 0;
}

.approval-node-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    border: 2px solid #E8E8E8;
    background: #FAFAFA;
    color: #8C8C8C;
    margin-bottom: 8px;
}

.approval-node.pending .approval-node-circle {
    border-color: #FA8C16;
    background: #FFF7E6;
    color: #FA8C16;
}

.approval-node.approved .approval-node-circle {
    border-color: #52C41A;
    background: #F6FFED;
    color: #52C41A;
}

.approval-node.rejected .approval-node-circle {
    border-color: #F5222D;
    background: #FFF1F0;
    color: #F5222D;
}

.approval-node.current .approval-node-circle {
    border-color: var(--dt-blue);
    background: var(--dt-blue-bg);
    color: var(--dt-blue);
    box-shadow: 0 0 0 4px rgba(47,84,235,0.15);
}

.approval-node-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--dt-text);
}

.approval-node-user {
    font-size: 11px;
    color: var(--dt-text-secondary);
}

.approval-arrow {
    font-size: 18px;
    color: #D9D9D9;
    margin: 0 4px;
    flex-shrink: 0;
}

/* ============ 表格 ============ */
.dt-table {
    width: 100%;
    font-size: 13px;
}

.dt-table thead th {
    background: #FAFAFA;
    font-weight: 600;
    font-size: 12px;
    color: var(--dt-text-secondary);
    border-bottom: 1px solid var(--dt-border);
    padding: 10px 12px;
    white-space: nowrap;
}

.dt-table tbody td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--dt-border);
    vertical-align: middle;
}

.dt-table tbody tr:hover {
    background: var(--dt-blue-bg);
}

/* ============ Tab 切换 ============ */
.dt-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--dt-border);
    margin-bottom: 16px;
}

.dt-tab {
    padding: 8px 20px;
    font-size: 14px;
    color: var(--dt-text-secondary);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.dt-tab:hover {
    color: var(--dt-blue);
}

.dt-tab.active {
    color: var(--dt-blue);
    font-weight: 600;
    border-bottom-color: var(--dt-blue);
}

/* ============ 徽章 ============ */
.dt-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.dt-badge-blue { background: #E8F0FE; color: var(--dt-blue); }
.dt-badge-green { background: #F6FFED; color: #52C41A; }
.dt-badge-orange { background: #FFF7E6; color: #FA8C16; }
.dt-badge-red { background: #FFF1F0; color: #F5222D; }
.dt-badge-gray { background: #F5F5F5; color: #8C8C8C; }
.dt-badge-purple { background: #F0E8FE; color: #722ED1; }

/* ============ 快捷入口 ============ */
.quick-entry {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 12px;
}

.quick-entry-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 14px 8px;
    border-radius: var(--dt-radius);
    text-decoration: none;
    color: var(--dt-text);
    transition: all 0.2s;
}

.quick-entry-item:hover {
    background: var(--dt-blue-bg);
}

.quick-entry-item i {
    font-size: 24px;
    color: var(--dt-blue);
}

.quick-entry-item span {
    font-size: 12px;
    color: var(--dt-text-secondary);
}

/* ============ 登录页（简洁版） ============ */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: #F6F8FC;
}

.login-simple::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 20% 12%, rgba(47,84,235,0.10), transparent 28%),
        radial-gradient(circle at 82% 78%, rgba(89,126,247,0.10), transparent 30%);
}

.login-form-card {
    position: relative;
    width: 100%;
    max-width: 380px;
    padding: 38px 34px 26px;
    background: #fff;
    border: 1px solid #EEF1F7;
    border-radius: 18px;
    box-shadow: 0 18px 50px rgba(21, 39, 78, 0.08);
}

.login-logo {
    width: 54px;
    height: 54px;
    margin: 0 auto 18px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: linear-gradient(135deg, #2F54EB, #597EF7);
    box-shadow: 0 10px 24px rgba(47,84,235,0.22);
}

.login-logo i {
    font-size: 28px;
}

.login-form-card .form-header {
    text-align: center;
    margin-bottom: 28px;
}

.login-form-card .form-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: #1F1F1F;
    margin: 0 0 8px 0;
    letter-spacing: 1px;
}

.login-form-card .form-header p {
    font-size: 14px;
    color: #8C8C8C;
    margin: 0;
}

.login-form-card .form-group {
    margin-bottom: 16px;
}

.login-form-card .input-icon-wrap {
    position: relative;
}

.login-form-card .input-icon-wrap i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #A6AEBB;
    font-size: 16px;
}

.login-form-card .form-control {
    width: 100%;
    height: 46px;
    border-radius: 10px;
    border: 1px solid #E6EAF2;
    padding: 0 14px 0 40px;
    font-size: 14px;
    color: #1F1F1F;
    background: #FAFBFD;
    transition: all 0.2s;
    outline: none;
}

.login-form-card .form-control:focus {
    border-color: #2F54EB;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(47,84,235,0.10);
}

.login-form-card .form-control::placeholder {
    color: #AEB6C2;
}

.login-form-card .form-options {
    display: flex;
    align-items: center;
    margin: 4px 0 22px;
}

.login-form-card .form-check {
    display: flex;
    align-items: center;
    gap: 7px;
    margin: 0;
    cursor: pointer;
    user-select: none;
}

.login-form-card .form-check input {
    width: 15px;
    height: 15px;
    accent-color: #2F54EB;
    cursor: pointer;
}

.login-form-card .form-check span {
    font-size: 13px;
    color: #7B8494;
}

.login-form-card .btn-login {
    width: 100%;
    height: 46px;
    border: none;
    border-radius: 10px;
    background: #2F54EB;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.login-form-card .btn-login:hover {
    background: #1D3EBD;
    box-shadow: 0 8px 18px rgba(47,84,235,0.20);
    transform: translateY(-1px);
}

.login-form-card .btn-login:active {
    transform: translateY(0);
}

.login-form-card .login-footer {
    text-align: center;
    margin-top: 22px;
}

.login-form-card .login-footer small {
    color: #B8C0CC;
    font-size: 12px;
}

.login-form-card .alert {
    border-radius: 10px;
    font-size: 13px;
    padding: 10px 12px;
    margin-bottom: 16px;
    border: none;
}

.login-form-card .alert-danger {
    background: #FFF1F0;
    color: #CF1322;
}

.login-form-card .alert-success {
    background: #F6FFED;
    color: #389E0D;
}

@media (max-width: 480px) {
    .login-wrapper {
        padding: 16px;
    }
    .login-form-card {
        padding: 32px 22px 24px;
        border-radius: 16px;
    }
}

/* ============ 响应式 ============ */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.show {
        transform: translateX(0);
    }
    .main-area {
        margin-left: 0;
    }
    .sidebar-toggle {
        display: block;
    }
    .topbar-search input {
        width: 120px;
    }
    .page-content {
        padding: 12px;
    }
    .stat-card {
        padding: 12px;
    }
    .stat-info .stat-value {
        font-size: 20px;
    }
}

@media (max-width: 576px) {
    .topbar-search {
        display: none;
    }
}

/* ============ 打印 ============ */
@media print {
    .sidebar, .topbar, .btn, form { display: none !important; }
    .main-area { margin-left: 0 !important; }
    body { background: #fff; }
}

/* ============ 星海助手侧边栏 ============ */
.xa-fab {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, #2f54eb, #1677ff);
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(22, 119, 255, 0.45);
    z-index: 1080;
    transition: transform .15s ease, box-shadow .15s ease;
}
.xa-fab:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(22, 119, 255, 0.55); }
.xa-fab.xa-active { background: linear-gradient(135deg, #595959, #8c8c8c); }

.xa-panel {
    position: fixed;
    right: 24px;
    bottom: 92px;
    width: 380px;
    max-width: calc(100vw - 32px);
    height: 560px;
    max-height: calc(100vh - 120px);
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 1080;
    border: 1px solid #e6e8eb;
}
.xa-panel.xa-hidden { display: none; }

.xa-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: linear-gradient(135deg, #2f54eb, #1677ff);
    color: #fff;
}
.xa-title { font-weight: 600; font-size: 15px; display: flex; align-items: center; gap: 6px; }
.xa-close {
    background: transparent; border: none; color: #fff;
    font-size: 22px; line-height: 1; cursor: pointer; opacity: .85;
}
.xa-close:hover { opacity: 1; }

.xa-messages {
    flex: 1;
    overflow-y: auto;
    padding: 14px;
    background: #f7f8fa;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.xa-msg { display: flex; gap: 8px; align-items: flex-start; max-width: 100%; }
.xa-avatar {
    flex: 0 0 28px;
    width: 28px; height: 28px;
    border-radius: 50%;
    background: #e6f0ff; color: #1677ff;
    font-size: 12px; font-weight: 600;
    display: flex; align-items: center; justify-content: center;
}
.xa-user .xa-avatar { background: #e8f5e9; color: #2e7d32; }
.xa-bubble {
    background: #fff;
    border: 1px solid #eceef1;
    border-radius: 10px;
    padding: 9px 12px;
    font-size: 13.5px;
    line-height: 1.6;
    color: #1f2329;
    word-break: break-word;
    white-space: normal;
}
.xa-user { flex-direction: row-reverse; }
.xa-user .xa-bubble { background: #1677ff; color: #fff; border-color: #1677ff; }

.xa-typing { display: flex; gap: 4px; align-items: center; }
.xa-typing span {
    width: 6px; height: 6px; border-radius: 50%; background: #b0b3b8;
    animation: xa-blink 1.2s infinite both;
}
.xa-typing span:nth-child(2) { animation-delay: .2s; }
.xa-typing span:nth-child(3) { animation-delay: .4s; }
@keyframes xa-blink { 0%, 80%, 100% { opacity: .3; } 40% { opacity: 1; } }

.xa-hint { font-size: 12px; color: #fa8c16; padding: 0 2px; }

.xa-chips {
    display: flex; flex-wrap: wrap; gap: 6px;
    padding: 10px 12px 4px;
    border-top: 1px solid #f0f0f0;
    background: #fff;
}
.xa-chips button {
    border: 1px solid #d6e4ff;
    background: #f0f6ff;
    color: #1677ff;
    border-radius: 14px;
    padding: 4px 10px;
    font-size: 12px;
    cursor: pointer;
}
.xa-chips button:hover { background: #e1ecff; }

.xa-inputbar {
    display: flex; align-items: flex-end; gap: 8px;
    padding: 8px 12px 12px;
    border-top: 1px solid #f0f0f0;
    background: #fff;
}
.xa-inputbar textarea {
    flex: 1;
    resize: none;
    border: 1px solid #d9dde3;
    border-radius: 10px;
    padding: 8px 10px;
    font-size: 13.5px;
    line-height: 1.5;
    max-height: 96px;
    outline: none;
}
.xa-inputbar textarea:focus { border-color: #1677ff; }
.xa-send-btn {
    flex: 0 0 38px;
    width: 38px; height: 38px;
    border: none; border-radius: 10px;
    background: #1677ff; color: #fff;
    cursor: pointer; font-size: 15px;
}
.xa-send-btn:disabled { opacity: .55; cursor: default; }