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

:root {
    --primary-color: #0958d9;
    --primary-hover: #0b5cd5;
    --success-color: #237804;
    --switch-on: #389e0d;
    --warning-color: #d48806;
    --error-color: #cf1322;
    --text-color: #1f1f1f;
    --text-color-secondary: #595959;
    --border-color: #d9d9d9;
    --border-color-light: #f0f0f0;
    --background-color: #f5f7fa;
    --white: #fff;
    --disabled-color: #f5f5f5;
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.03), 0 2px 8px rgba(0, 0, 0, 0.04);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
    font-size: 14px;
    color: var(--text-color);
    background-color: var(--background-color);
    line-height: 1.5715;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 统一滚动条 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-thumb {
    background: #d9d9d9;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #bfbfbf;
}

::-webkit-scrollbar-track {
    background: transparent;
}

/* SVG 矢量图标 */
.svg-icon {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    vertical-align: middle;
    flex-shrink: 0;
}

.svg-icon-lg {
    width: 20px;
    height: 20px;
}

.svg-icon-sm {
    width: 13px;
    height: 13px;
}

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

/* 左侧导航 */
.sidebar {
    width: 208px;
    background: var(--white);
    box-shadow: 1px 0 0 0 var(--border-color-light);
    transition: width 0.2s;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 100;
    overflow: hidden;
}

.sidebar.collapsed {
    width: 64px;
}

.sidebar-logo {
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    border-bottom: 1px solid var(--border-color-light);
    padding: 0 16px;
}

.sidebar.collapsed .sidebar-logo {
    justify-content: center;
    padding: 0;
}

.sidebar-logo img {
    width: 32px;
    height: 32px;
}

.sidebar-logo span {
    margin-left: 12px;
    font-size: 16px;
    font-weight: 600;
    color: #333;
    white-space: nowrap;
    max-width: 140px;
    overflow: hidden;
    opacity: 1;
    transition: opacity 0.2s, max-width 0.2s, margin 0.2s;
}

.sidebar.collapsed .sidebar-logo span {
    opacity: 0;
    max-width: 0;
    margin-left: 0;
}

.sidebar-menu {
    padding: 12px 0;
}

.menu-item {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    margin: 4px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.menu-item:hover {
    color: var(--primary-color);
    background: rgba(24, 144, 255, 0.06);
}

.menu-item.active {
    color: var(--primary-color);
    background: rgba(24, 144, 255, 0.1);
    font-weight: 500;
}

.menu-item .svg-icon {
    font-size: 16px;
    margin-right: 12px;
    width: 20px;
    height: 20px;
}

.menu-item .text {
    white-space: nowrap;
    max-width: 120px;
    overflow: hidden;
    opacity: 1;
    transition: opacity 0.2s, max-width 0.2s;
}

.sidebar.collapsed .menu-item .text {
    opacity: 0;
    max-width: 0;
}

.sidebar.collapsed .menu-item {
    justify-content: center;
    padding: 10px 0;
    margin: 4px 8px;
}

.sidebar.collapsed .menu-item .svg-icon {
    margin-right: 0;
}

/* 主内容区 */
.main-content {
    flex: 1;
    margin-left: 208px;
    transition: margin-left 0.2s;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.main-content.expanded {
    margin-left: 64px;
}

/* 顶部导航 */
.header {
    height: 64px;
    background: var(--white);
    border-bottom: 1px solid var(--border-color-light);
    display: flex;
    align-items: center;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 99;
}

.header-toggle {
    cursor: pointer;
    margin-right: 24px;
    padding: 8px;
    transition: color 0.2s;
    display: flex;
    align-items: center;
}

.header-toggle:hover {
    color: var(--primary-color);
}

.header-menu {
    display: flex;
    align-items: center;
    flex: 1;
}

.header-menu-item {
    display: flex;
    align-items: center;
    padding: 0 20px;
    height: 64px;
    cursor: pointer;
    transition: color 0.2s;
    border-bottom: 2px solid transparent;
}

.header-menu-item:hover {
    color: var(--primary-color);
}

.header-menu-item.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.header-menu-item .svg-icon {
    margin-right: 8px;
}

.header-user {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 4px;
    transition: background 0.2s;
}

.header-user:hover {
    background: rgba(0, 0, 0, 0.025);
}

.header-user .avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 8px;
}

/* 标签页 */
.tabs-container {
    background: var(--white);
    padding: 8px 24px 0;
    border-bottom: 1px solid var(--border-color-light);
    display: flex;
    align-items: center;
    overflow-x: auto;
}

.tab-item {
    display: flex;
    align-items: center;
    padding: 8px 16px;
    margin-right: 4px;
    background: var(--background-color);
    border: 1px solid var(--border-color-light);
    border-bottom: none;
    border-radius: 4px 4px 0 0;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.tab-item:hover {
    color: var(--primary-color);
}

.tab-item.active {
    background: var(--white);
    color: var(--primary-color);
    border-color: var(--border-color-light);
    position: relative;
}

.tab-item.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--white);
}

.tab-item .close {
    margin-left: 8px;
    font-size: 12px;
    color: var(--text-color-secondary);
    transition: color 0.2s;
    display: inline-flex;
    align-items: center;
}

.tab-item .close:hover {
    color: var(--error-color);
}

/* 页面内容 */
.page-content {
    flex: 1;
    padding: 24px;
    overflow: auto;
}

.page-head {
    margin-bottom: 16px;
}

.page-title {
    font-size: 20px;
    line-height: 1.4;
    font-weight: 600;
    color: var(--text-color);
    letter-spacing: -0.2px;
}

.page-desc {
    margin-top: 4px;
    font-size: 13px;
    color: var(--text-color-secondary);
}

.page {
    display: none;
}

.page.active {
    display: block;
}

/* 筛选区域 */
.filter-section {
    background: var(--white);
    padding: 20px 24px;
    border: 1px solid var(--border-color-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    margin-bottom: 16px;
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    align-items: center;
}

.filter-item {
    display: flex;
    align-items: center;
}

.filter-item label {
    margin-right: 8px;
    color: var(--text-color);
    white-space: nowrap;
}

.filter-item input,
.filter-item select {
    height: 32px;
    padding: 4px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--text-color);
    outline: none;
    transition: all 0.2s;
    min-width: 180px;
}

.filter-item input:focus,
.filter-item select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.12);
}

.filter-actions {
    margin-left: auto;
    display: flex;
    gap: 12px;
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 32px;
    padding: 0 16px;
    font-size: 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: var(--white);
    color: var(--text-color);
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, color 0.2s, box-shadow 0.2s;
    outline: none;
    white-space: nowrap;
}

.btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-primary {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    color: var(--white);
    box-shadow: 0 2px 6px rgba(9, 88, 217, 0.28);
}

.btn-danger {
    color: var(--error-color);
    border-color: var(--error-color);
}

.btn-danger:hover {
    background: var(--error-color);
    color: var(--white);
}

.btn:disabled {
    background: var(--disabled-color);
    border-color: var(--border-color);
    color: var(--text-color-secondary);
    cursor: not-allowed;
}

.btn:disabled:hover {
    background: var(--disabled-color);
    border-color: var(--border-color);
    color: var(--text-color-secondary);
}

.btn .svg-icon {
    margin-right: 4px;
}

/* 工具栏 */
.toolbar {
    background: var(--white);
    padding: 12px 24px;
    border: 1px solid var(--border-color-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

/* 表格 */
.table-container {
    background: var(--white);
    border: 1px solid var(--border-color-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow-x: auto;
    overflow-y: hidden;
}

.table {
    width: 100%;
    border-collapse: collapse;
    min-width: 720px;
}

/* 表格横向滚动时固定操作列 */
.table-container.is-scrollable .table th:last-child,
.table-container.is-scrollable .table td:last-child {
    position: sticky;
    right: 0;
    z-index: 2;
    background: var(--white);
    box-shadow: -6px 0 8px -6px rgba(0, 0, 0, 0.12);
}

.table-container.is-scrollable .table th:last-child {
    background: #fafafa;
    z-index: 3;
}

.table-container.is-scrollable .table tr:hover td:last-child {
    background: #f5f8ff;
}

.table th {
    background: #fafafa;
    padding: 12px 16px;
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color-light);
    white-space: nowrap;
}

.table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color-light);
    font-size: 13px;
    color: var(--text-color);
    font-variant-numeric: tabular-nums;
}

.table tr {
    transition: background 0.15s;
}

.table tr:hover {
    background: #f5f8ff;
}

.table .link {
    color: var(--primary-color);
    cursor: pointer;
    text-decoration: none;
    margin-right: 16px;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.table .link:hover {
    text-decoration: underline;
}

.table .link.danger {
    color: var(--error-color);
}

/* 开关 */
.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 22px;
    background: #ccc;
    border-radius: 11px;
    cursor: pointer;
    transition: background 0.2s;
    vertical-align: middle;
}

.switch.checked {
    background: var(--switch-on);
}

.switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    background: var(--white);
    border-radius: 50%;
    transition: transform 0.2s;
}

.switch.checked::after {
    transform: translateX(22px);
}

.switch-label {
    margin-right: 8px;
    color: var(--success-color);
    font-size: 12px;
}

/* 分页 */
.pagination {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 12px 24px;
    background: var(--white);
    border-top: 1px solid var(--border-color-light);
}

.pagination-info {
    margin-right: auto;
    color: var(--text-color);
}

.pagination-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    margin: 0 4px;
    padding: 0 6px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--white);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s;
}

.pagination-item:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pagination-item.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

.pagination-item.disabled {
    background: var(--disabled-color);
    border-color: var(--border-color);
    color: var(--text-color-secondary);
    cursor: not-allowed;
}

.pagination-item.disabled:hover {
    background: var(--disabled-color);
    border-color: var(--border-color);
    color: var(--text-color-secondary);
}

.pagination select {
    margin-left: 8px;
    height: 32px;
    padding: 0 8px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    outline: none;
}

/* 弹窗 */
.modal-mask {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 1100;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal-mask.show {
    display: flex;
}

.modal {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
    width: 800px;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 16px;
    font-weight: 500;
    color: rgba(0, 0, 0, 0.85);
}

.modal-close {
    color: var(--text-color-secondary);
    cursor: pointer;
    padding: 4px;
    transition: color 0.2s;
    display: flex;
    align-items: center;
}

.modal-close:hover {
    color: var(--text-color);
}

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

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color-light);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* 表单 */
.form-item {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 500;
}

.form-label .required {
    color: var(--error-color);
    margin-right: 4px;
}

.form-input {
    width: 100%;
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--text-color);
    outline: none;
    transition: all 0.2s;
    font-family: inherit;
}

input.form-input,
select.form-input {
    height: 32px;
    padding: 4px 12px;
}

.form-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.12);
}

.form-checkbox {
    display: flex;
    align-items: center;
    margin-right: 16px;
    cursor: pointer;
}

.form-checkbox input {
    margin-right: 8px;
}

/* 折叠面板 */
.collapse-panel {
    border: 1px solid var(--border-color-light);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
}

.collapse-header {
    padding: 12px 16px;
    background: #fafafa;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color-light);
}

.collapse-content {
    padding: 16px;
}

.collapse-arrow {
    transition: transform 0.2s;
    display: flex;
    align-items: center;
}

.collapse-panel.collapsed .collapse-arrow {
    transform: rotate(-90deg);
}

.collapse-panel.collapsed .collapse-content {
    display: none;
}

/* 下拉菜单 */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    min-width: 120px;
    z-index: 100;
    display: none;
    margin-top: 4px;
}

.dropdown-menu.show {
    display: block;
}

.dropdown-item {
    padding: 8px 16px;
    cursor: pointer;
    transition: background 0.2s;
    color: var(--text-color);
}

.dropdown-item:hover {
    background: #f5f5f5;
}

.dropdown-item.danger {
    color: var(--error-color);
}

/* 富文本编辑器工具栏 */
.editor-toolbar {
    border: 1px solid var(--border-color);
    border-bottom: none;
    border-radius: 4px 4px 0 0;
    padding: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    background: #fafafa;
    align-items: center;
}

.editor-btn {
    padding: 4px 8px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 2px;
    transition: background 0.2s;
    display: inline-flex;
    align-items: center;
    color: var(--text-color);
}

.editor-btn:hover {
    background: #e6f7ff;
}

.editor-content {
    border: 1px solid var(--border-color);
    border-radius: 0 0 4px 4px;
    min-height: 200px;
    padding: 12px;
    outline: none;
}

.editor-content:empty::before {
    content: attr(placeholder);
    color: var(--text-color-secondary);
}

/* 底部版权 */
.footer {
    padding: 24px;
    text-align: center;
    color: var(--text-color-secondary);
    font-size: 12px;
}

/* 确认对话框 */
.confirm-modal {
    width: 460px;
}

.confirm-content {
    display: flex;
    align-items: center;
    padding: 24px;
}

.confirm-icon {
    color: var(--warning-color);
    margin-right: 16px;
    display: flex;
    align-items: center;
}

.confirm-icon .svg-icon {
    width: 22px;
    height: 22px;
}

.confirm-text {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-color);
    white-space: pre-line;
}

/* 响应式 */
@media (max-width: 768px) {
    /* 移动端：侧边栏改为抽屉式导航，保留文字标签 */
    .sidebar {
        width: 208px;
        transform: translateX(-100%);
        box-shadow: none;
        z-index: 100;
    }

    .sidebar.mobile-open {
        transform: translateX(0);
        box-shadow: 4px 0 16px rgba(0, 0, 0, 0.12);
    }

    .sidebar.collapsed {
        width: 208px;
    }

    .sidebar.collapsed .sidebar-logo {
        justify-content: flex-start;
        padding: 0 16px;
    }

    .sidebar.collapsed .sidebar-logo span {
        opacity: 1;
        max-width: 140px;
        margin-left: 12px;
    }

    .sidebar.collapsed .menu-item {
        justify-content: flex-start;
        padding: 10px 12px;
    }

    .sidebar.collapsed .menu-item .svg-icon {
        margin-right: 12px;
    }

    .sidebar.collapsed .menu-item .text {
        opacity: 1;
        max-width: 140px;
    }

    .sidebar .menu-item {
        justify-content: flex-start;
        padding: 10px 12px;
    }

    .sidebar .menu-item .svg-icon {
        margin-right: 12px;
    }

    .sidebar .sidebar-logo {
        justify-content: flex-start;
        padding: 0 16px;
    }

    .main-content {
        margin-left: 0;
    }

    body.nav-open::after {
        content: '';
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.45);
        z-index: 99;
    }

    .header {
        padding: 0 12px;
    }

    .header-menu-item {
        padding: 0 10px;
        font-size: 13px;
        white-space: nowrap;
    }

    .header-menu-item:first-child {
        display: none;
    }

    .header-user span {
        display: none;
    }

    .page-content {
        padding: 16px;
    }

    .filter-section {
        padding: 16px;
    }

    .toolbar {
        padding: 12px;
    }

    .filter-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .filter-actions {
        margin-left: 0;
        margin-top: 4px;
    }

    .table th,
    .table td {
        padding: 10px 12px;
    }

    .pagination {
        padding: 12px;
    }
}

/* 滚动条样式（基础定义见文件顶部） */

/* 空状态 */
.empty {
    padding: 48px;
    text-align: center;
    color: var(--text-color-secondary);
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 48px 24px;
}

.empty-state .svg-icon {
    width: 40px;
    height: 40px;
    color: #bfbfbf;
    margin-bottom: 4px;
}

.empty-state-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
}

.empty-state-desc {
    font-size: 13px;
    color: var(--text-color-secondary);
}

/* 键盘焦点 */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 减少动态效果 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* 标签 */
.tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    margin-right: 4px;
}

.tag-success {
    background: #f6ffed;
    color: var(--success-color);
    border: 1px solid #b7eb8f;
}

.tag-error {
    background: #fff2f0;
    color: var(--error-color);
    border: 1px solid #ffccc7;
}

/* ==================== 抽屉（Drawer） ==================== */
.drawer-mask {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.drawer-mask.show {
    opacity: 1;
    visibility: visible;
}

.drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 80%;
    background: var(--white);
    z-index: 1001;
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.12);
    transform: translateX(100%);
    transition: transform 0.3s;
    display: flex;
    flex-direction: column;
}

.drawer.show {
    transform: translateX(0);
}

.drawer-header {
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    border-bottom: 1px solid var(--border-color-light);
    flex-shrink: 0;
}

.drawer-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
}

.drawer-close {
    cursor: pointer;
    color: var(--text-color-secondary);
    display: flex;
    align-items: center;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s;
}

.drawer-close:hover {
    color: var(--text-color);
    background: var(--disabled-color);
}

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

.drawer-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 12px 24px;
    border-top: 1px solid var(--border-color-light);
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .drawer {
        width: 100%;
    }
}

/* ==================== 题型单选框组 ==================== */
.type-radio-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.type-radio {
    position: relative;
}

.type-radio input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.type-radio > span {
    display: inline-flex;
    align-items: center;
    padding: 6px 18px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-color);
    transition: all 0.2s;
    user-select: none;
}

.type-radio > span:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.type-radio input:checked + span {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background: #e6f7ff;
    font-weight: 500;
}

/* ==================== 表单分区 ==================== */
.form-section {
    margin-bottom: 28px;
}

.form-section:last-child {
    margin-bottom: 0;
}

.form-section-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-color);
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color-light);
    margin-bottom: 16px;
}

/* ==================== 富文本编辑器 ==================== */
.editor-toolbar {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-bottom: none;
    border-radius: 4px 4px 0 0;
    background: #fafafa;
    flex-wrap: wrap;
}

.editor-toolbar .editor-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-color);
    transition: all 0.2s;
    font-size: 14px;
    padding: 0;
}

.editor-toolbar .editor-btn:hover {
    background: var(--disabled-color);
    color: var(--primary-color);
}

.editor-toolbar .editor-divider {
    width: 1px;
    height: 16px;
    background: var(--border-color);
    margin: 0 4px;
}

.editor-content {
    min-height: 120px;
    border: 1px solid var(--border-color);
    border-radius: 0 0 4px 4px;
    padding: 12px;
    font-size: 14px;
    line-height: 1.6;
    outline: none;
    transition: border-color 0.2s;
}

.editor-content:focus {
    border-color: var(--primary-color);
}

.editor-content:empty::before {
    content: attr(data-placeholder);
    color: var(--text-color-secondary);
}

/* ==================== 选项/答案列表 ==================== */
.option-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    border: 1px solid var(--border-color-light);
    border-radius: 4px;
    margin-bottom: 10px;
    background: var(--white);
    transition: border-color 0.2s;
}

.option-item:hover {
    border-color: var(--primary-color);
}

.option-item.dragging {
    opacity: 0.4;
}

.option-item .drag-handle {
    cursor: move;
    color: var(--text-color-secondary);
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.option-item .option-letter {
    font-weight: 600;
    color: var(--text-color-secondary);
    flex-shrink: 0;
    width: 20px;
}

.option-item input[type="text"].option-content {
    flex: 1;
    border: none;
    outline: none;
    font-size: 14px;
    padding: 4px 0;
    color: var(--text-color);
}

.option-item .option-correct {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--text-color-secondary);
    cursor: pointer;
    flex-shrink: 0;
    user-select: none;
}

.option-item .option-correct input {
    cursor: pointer;
}

.option-item .btn-icon {
    flex-shrink: 0;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-color-secondary);
    transition: all 0.2s;
    padding: 0;
}

.btn-icon:hover {
    background: #fff2f0;
    color: var(--error-color);
}

.add-option-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border: 1px dashed var(--border-color);
    border-radius: 4px;
    background: transparent;
    color: var(--primary-color);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.add-option-btn:hover {
    border-color: var(--primary-color);
    background: #e6f7ff;
}

/* ==================== 子题 ==================== */
.sub-question-item {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 16px;
    margin-bottom: 16px;
    background: #fafafa;
}

.sub-question-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.sub-question-title {
    font-weight: 600;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.sub-question-header .type-radio-group {
    gap: 8px;
}

.sub-question-header .type-radio > span {
    padding: 3px 12px;
    font-size: 13px;
}

/* ==================== 多选下拉 ==================== */
.multi-select {
    position: relative;
}

.multi-select-tags {
    min-height: 34px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 3px 8px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    cursor: text;
    transition: border-color 0.2s;
}

.multi-select-tags:hover,
.multi-select.open .multi-select-tags {
    border-color: var(--primary-color);
}

.multi-select-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--disabled-color);
    border-radius: 2px;
    padding: 2px 4px 2px 8px;
    font-size: 12px;
    color: var(--text-color);
}

.multi-select-tag .tag-close {
    cursor: pointer;
    display: inline-flex;
    color: var(--text-color-secondary);
    border-radius: 2px;
}

.multi-select-tag .tag-close:hover {
    color: var(--error-color);
}

.multi-select-tags input {
    flex: 1;
    min-width: 80px;
    border: none;
    outline: none;
    font-size: 14px;
    padding: 3px 0;
}

.multi-select-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--white);
    border-radius: 4px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    max-height: 220px;
    overflow-y: auto;
    z-index: 20;
    display: none;
}

.multi-select.open .multi-select-dropdown {
    display: block;
}

.multi-select-option {
    padding: 8px 12px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.multi-select-option:hover {
    background: var(--disabled-color);
}

.multi-select-option.selected {
    color: var(--primary-color);
    font-weight: 500;
}

.multi-select-empty {
    padding: 12px;
    text-align: center;
    color: var(--text-color-secondary);
    font-size: 13px;
}

.multi-select-create {
    color: var(--primary-color);
}

/* ==================== 校验错误提示 ==================== */
.form-error {
    color: var(--error-color);
    font-size: 12px;
    margin-top: 4px;
    display: none;
}

.has-error > .form-error,
.has-error .form-error {
    display: block;
}

.has-error .form-input,
.has-error .editor-content,
.has-error .editor-toolbar,
.has-error .multi-select-tags,
.has-error .option-item {
    border-color: var(--error-color);
}

/* ==================== Toast ==================== */
.toast-container {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    padding: 10px 20px;
    border-radius: 4px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    font-size: 14px;
    animation: toast-in 0.3s;
}

.toast .svg-icon {
    color: var(--success-color);
}

.toast.toast-error .svg-icon {
    color: var(--error-color);
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateY(-12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== 按钮 loading ==================== */
.btn.loading {
    opacity: 0.7;
    pointer-events: none;
}

.btn.loading::before {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: btn-spin 0.8s linear infinite;
    margin-right: 6px;
    vertical-align: -1px;
}

@keyframes btn-spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==================== 工单场景题 ==================== */
/* 场景模板卡片 */
.template-cards {
    display: flex;
    gap: 16px;
}

.template-card {
    flex: 1;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 14px 16px;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--white);
}

.template-card:hover {
    border-color: var(--primary-color);
}

.template-card.active {
    border-color: var(--primary-color);
    background: #e6f7ff;
}

.template-card .tpl-name {
    font-weight: 600;
    margin-bottom: 6px;
}

.template-card.active .tpl-name {
    color: var(--primary-color);
}

.template-card .tpl-desc {
    font-size: 12px;
    color: var(--text-color-secondary);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .template-cards {
        flex-direction: column;
    }
}

/* 场景数据摘要 */
.data-summary {
    background: #fafafa;
    border: 1px solid var(--border-color-light);
    border-radius: 4px;
    padding: 12px 16px;
    margin-top: 12px;
}

.data-summary .summary-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 32px;
}

.data-summary .summary-item {
    font-size: 13px;
    color: var(--text-color-secondary);
}

.data-summary .summary-item b {
    color: var(--text-color);
    font-weight: 600;
    margin-left: 4px;
}

.data-summary .summary-tip {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed var(--border-color);
    font-size: 12px;
    color: var(--text-color-secondary);
}

/* 数据预览抽屉（第二层，叠在新增试题抽屉之上） */
.drawer-mask.drawer-mask-l2 {
    z-index: 1150;
}

.drawer.drawer-l2 {
    z-index: 1160;
    width: 640px;
    max-width: 94vw;
}

.readonly-tip {
    background: #fffbe6;
    border: 1px solid #ffe58f;
    color: #d48806;
    border-radius: 4px;
    padding: 8px 12px;
    font-size: 13px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color-light);
    margin-bottom: 16px;
}

.tab {
    padding: 10px 18px;
    cursor: pointer;
    color: var(--text-color-secondary);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    font-size: 14px;
}

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

.tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 500;
}

/* ==================== 工单场景题：答题框 ==================== */
/* 文件题：上传区与附件列表 */
.file-upload-zone {
    border: 1px dashed var(--border-color);
    border-radius: 4px;
    padding: 18px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: var(--text-color);
}

.file-upload-zone:hover {
    border-color: var(--primary-color);
    background: rgba(24, 144, 255, 0.04);
    color: var(--primary-color);
}

.file-upload-hint {
    font-size: 12px;
    color: var(--text-color-secondary);
}

.file-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--border-color-light);
    border-radius: 4px;
    margin-top: 8px;
    background: #fafafa;
}

.file-item-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-item-size {
    color: var(--text-color-secondary);
    font-size: 12px;
    flex-shrink: 0;
}

/* 答题框属性选择 */
.box-type-group {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
}

.box-type {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.box-type input {
    display: none;
}

.box-type span {
    padding: 3px 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 12px;
    color: var(--text-color-secondary);
    background: var(--white);
    transition: all 0.2s;
}

.box-type:hover span {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.box-type input:checked + span {
    border-color: var(--primary-color);
    background: rgba(24, 144, 255, 0.08);
    color: var(--primary-color);
}

.box-preview-zone {
    pointer-events: none;
    padding: 22px;
}

.wo-answer-box {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 12px;
    margin-bottom: 12px;
    background: #fafafa;
}

.wo-answer-box-head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.wo-box-name {
    width: 280px;
    height: 32px;
    padding: 4px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.wo-box-name:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.1);
}

.wo-answer-box textarea[disabled] {
    background: var(--white);
    color: var(--text-color-secondary);
    cursor: not-allowed;
}

/* ==================== 工单系统预览弹窗（iframe 内嵌，90% × 90%） ==================== */
.preview-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 1200;
    display: none;
    align-items: center;
    justify-content: center;
}

.preview-overlay.show {
    display: flex;
}

.pv-dialog {
    width: 90%;
    height: 90%;
    background: #f0f2f5;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.pv-topbar {
    height: 52px;
    background: #001529;
    color: rgba(255, 255, 255, 0.85);
    display: flex;
    align-items: center;
    padding: 0 20px;
    gap: 14px;
    flex-shrink: 0;
}

.pv-name {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
}

.pv-tag {
    font-size: 12px;
    background: rgba(24, 144, 255, 0.25);
    color: #91d5ff;
    border: 1px solid rgba(145, 213, 255, 0.45);
    border-radius: 4px;
    padding: 1px 8px;
}

.pv-dataver {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.55);
}

.pv-close {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.45);
    color: rgba(255, 255, 255, 0.85);
    border-radius: 4px;
    padding: 5px 14px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.pv-close:hover {
    border-color: #fff;
    color: #fff;
}

.pv-frame {
    flex: 1;
    width: 100%;
    border: none;
    background: #fff;
}

/* ==================== 新增/编辑试卷 全屏分步弹窗 ==================== */
.pm-overlay {
    position: fixed;
    inset: 0;
    background: var(--white);
    z-index: 1100;
    display: none;
    flex-direction: column;
}

.pm-overlay.show {
    display: flex;
}

.pm-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
}

.pm-title {
    font-size: 16px;
    font-weight: 600;
    color: rgba(0, 0, 0, 0.85);
}

.pm-close {
    cursor: pointer;
    color: var(--text-color-secondary);
    display: inline-flex;
    padding: 4px;
}

.pm-close:hover {
    color: var(--text-color);
}

/* 步骤条 */
.pm-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 6px 0 14px;
}

.pm-step {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-color-secondary);
}

.pm-step-num {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    background: var(--white);
}

.pm-step.active {
    color: var(--primary-color);
    font-weight: 500;
}

.pm-step.active .pm-step-num {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

.pm-step.done .pm-step-num {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pm-step-line {
    width: 120px;
    height: 1px;
    background: var(--border-color);
}

/* 内容区 */
.pm-body {
    flex: 1;
    overflow-y: auto;
    padding: 12px 24px 24px;
}

.pm-form {
    max-width: 780px;
    margin: 0 auto;
}

.pm-form .form-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 18px;
    position: relative;
}

.pm-form .form-label {
    width: 92px;
    flex-shrink: 0;
    text-align: right;
    padding-top: 8px;
    margin-right: 12px;
}

.pm-form .form-input {
    flex: 1;
}

.pm-form .form-error {
    position: absolute;
    left: 104px;
    top: 100%;
    padding-top: 2px;
}

/* 试卷目录卡片 */
.pm-catalogs {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.catalog-card {
    border: 1px solid var(--border-color-light);
    border-radius: 4px;
    padding: 14px 16px;
    background: #fafafa;
}

.catalog-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.catalog-no {
    color: var(--text-color);
    flex-shrink: 0;
}

.catalog-type {
    width: 130px;
    flex-shrink: 0;
}

.catalog-name {
    flex: 1;
}

.catalog-card textarea {
    width: 100%;
    margin-bottom: 10px;
}

.catalog-shuffle {
    display: flex;
    align-items: center;
    gap: 14px;
}

.catalog-shuffle-label {
    color: var(--text-color);
}

.pm-add-catalog {
    width: calc(100% - 104px);
    margin-left: 104px;
    border-style: dashed;
}

/* 单选/复选行内组 */
.pm-radio,
.pm-check {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-right: 16px;
    padding-top: 8px;
    cursor: pointer;
    color: var(--text-color);
}

/* 选择题目 */
.pm-pick-summary {
    margin-bottom: 12px;
    color: var(--text-color);
}

.pm-pick-summary b {
    color: var(--primary-color);
}

/* 底部操作栏 */
.pm-foot {
    border-top: 1px solid var(--border-color-light);
    padding: 12px 24px;
    display: flex;
    justify-content: flex-end;
    background: var(--white);
}

.pm-foot > div {
    display: flex;
    gap: 12px;
}

/* 计时方式 */
.pm-timing-hint {
    padding-top: 8px;
    color: var(--text-color-secondary);
    font-size: 13px;
}

.catalog-duration {
    display: none;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
}

.pm-overlay.timing-question .catalog-duration {
    display: flex;
}

.catalog-duration-tip {
    color: var(--text-color-secondary);
    font-size: 12px;
}

/* ==================== 选择题目（左选右显） ==================== */
.btn-sm {
    height: 26px;
    padding: 0 10px;
    font-size: 12px;
}

.pk-wrap {
    display: flex;
    gap: 16px;
    height: 100%;
    max-width: 1500px;
    margin: 0 auto;
}

.pk-left {
    flex: 3;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.pk-filter-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.pk-f-label {
    color: var(--text-color);
    white-space: nowrap;
}

.pk-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-right: 4px;
}

.pk-card {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    border: 1px solid var(--border-color-light);
    border-radius: 4px;
    padding: 12px 14px;
    background: var(--white);
    transition: all 0.15s;
}

.pk-card.selected {
    background: rgba(24, 144, 255, 0.06);
    border-color: var(--primary-color);
}

.pk-card-check {
    padding-top: 2px;
    cursor: pointer;
}

.pk-card-main {
    flex: 1;
    min-width: 0;
}

.pk-card-stem {
    color: rgba(0, 0, 0, 0.85);
    margin-bottom: 6px;
}

.pk-card-opt {
    color: var(--text-color);
    font-size: 13px;
    line-height: 1.9;
}

.pk-card-meta {
    flex-shrink: 0;
    display: flex;
    gap: 24px;
    color: var(--text-color);
    font-size: 13px;
}

/* 右侧试卷目录 */
.pk-right {
    flex: 2;
    min-width: 340px;
    background: #fafafa;
    border: 1px solid var(--border-color-light);
    border-radius: 6px;
    display: flex;
    flex-direction: column;
}

.pk-right-head {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color-light);
}

.pk-right-title {
    font-weight: 600;
    color: rgba(0, 0, 0, 0.85);
}

.pk-total {
    margin-left: auto;
    color: var(--text-color);
    font-size: 13px;
}

.pk-total b {
    color: var(--primary-color);
}

.pk-groups {
    flex: 1;
    overflow-y: auto;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.pk-group-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-color);
    font-size: 13px;
    margin-bottom: 8px;
}

.pk-group-head b {
    color: var(--primary-color);
}

.pk-per {
    width: 56px !important;
    padding: 2px 6px !important;
    display: inline-block;
}

.pk-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    border: 1px solid var(--border-color-light);
    border-radius: 4px;
    padding: 8px 10px;
    margin-bottom: 6px;
    font-size: 13px;
}

.pk-drag {
    color: var(--text-color-secondary);
    cursor: move;
    flex-shrink: 0;
}

.pk-item-stem {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: rgba(0, 0, 0, 0.85);
}

.pk-item-score {
    flex-shrink: 0;
    color: var(--text-color-secondary);
}

.pk-del {
    flex-shrink: 0;
    cursor: pointer;
    color: var(--text-color-secondary);
    display: inline-flex;
}

.pk-del:hover {
    color: var(--error-color);
}

.pk-empty {
    text-align: center;
    color: var(--text-color-secondary);
    padding: 40px 0;
    font-size: 13px;
}

/* 场次编排抽屉：宽 90% */
.session-drawer {
    width: 90%;
}

.session-drawer .drawer-body {
    padding: 20px 24px;
}

/* ==================== 新增场次抽屉（叠在场次编排之上） ==================== */
.session-form-drawer {
    width: 62%;
    z-index: 1160;
}

.session-form-drawer .drawer-body {
    padding: 24px 24px 8px;
}

.session-form-drawer .collapse-panel {
    margin-bottom: 12px;
}

/* 分区标题：箭头在左 */
.sf-collapse-header {
    justify-content: flex-start;
    gap: 6px;
}

.sf-collapse-header .collapse-arrow {
    color: var(--text-color-secondary);
}

.sf-collapse-header .svg-icon {
    width: 16px;
    height: 16px;
}

.sf-collapse-title {
    font-size: 14px;
    color: var(--text-color);
}

/* 表单行：右对齐标签 + 左侧控件，与试卷弹窗保持一致 */
.sf-form .form-item {
    display: flex;
    align-items: center;
    margin-bottom: 18px;
    position: relative;
}

.sf-form .form-item:last-child {
    margin-bottom: 4px;
}

.sf-form .form-label {
    width: 128px;
    flex-shrink: 0;
    margin: 0 14px 0 0;
    text-align: right;
    font-weight: 400;
    font-size: 13px;
    color: var(--text-color);
    white-space: nowrap;
}

.sf-radio {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-right: 20px;
    font-size: 14px;
    color: var(--text-color);
    cursor: pointer;
    white-space: nowrap;
}

.sf-radio input {
    margin: 0;
    accent-color: var(--primary-color);
    cursor: pointer;
}

.sf-name {
    flex: 1;
    min-width: 0;
}

/* 考试时间：随到随考为两个独立输入框，统一开考合并为一个区间框 */
.sf-time-box {
    display: contents;
}

.sf-time {
    width: 150px;
}

.sf-sep {
    margin: 0 8px;
    color: var(--text-color-secondary);
}

.sf-hint {
    margin-left: 10px;
    font-size: 13px;
    color: var(--text-color-secondary);
}

.sf-hint-unified {
    display: none;
    color: var(--text-color);
}

/* 统一开考模式 */
.sf-form .sf-unified-only {
    display: none;
}

.session-form-drawer.unified .sf-unified-only {
    display: flex;
}

.session-form-drawer.unified .sf-anytime-only {
    display: none;
}

.session-form-drawer.unified .sf-hint-anytime {
    display: none;
}

.session-form-drawer.unified .sf-hint-unified {
    display: inline;
}

.session-form-drawer.unified .sf-time-box {
    display: flex;
    align-items: center;
    height: 34px;
    padding: 0 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.session-form-drawer.unified .sf-time-box .form-input {
    width: 120px;
    height: 100%;
    padding: 0;
    border: none;
    box-shadow: none;
}

.session-form-drawer.unified .sf-time-box .form-input:focus {
    border: none;
    box-shadow: none;
}

.session-form-drawer.unified .sf-time-box .sf-sep {
    margin: 0 4px;
}

.sf-time-item.has-error .sf-time-box {
    border-color: var(--error-color);
}

/* 考试时间校验提示定位到控件下方 */
.sf-form .form-error {
    position: absolute;
    left: 142px;
    top: 100%;
    padding-top: 2px;
}

.sf-time-item.has-error {
    margin-bottom: 34px;
}

.sf-unit {
    margin-left: 8px;
    font-size: 14px;
    color: var(--text-color);
}

.sf-inline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-color);
}

.sf-inline .form-input {
    width: 60px;
    padding: 4px 8px;
    text-align: center;
}

/* 选择试卷行 */
.sf-paper-field {
    flex: 1;
    min-width: 0;
    min-height: 34px;
    padding: 0 12px;
    border: 1px dashed var(--border-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: border-color 0.2s;
}

.sf-paper-field:hover {
    border-color: var(--primary-color);
}

.sf-paper-names {
    font-size: 13px;
    color: var(--text-color-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-right: 12px;
}

.sf-paper-names.has-value {
    color: var(--text-color);
}

.sf-paper-add {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 2px;
    font-size: 13px;
    color: var(--text-color);
}

.sf-paper-tip {
    margin: -8px 0 4px 142px;
    font-size: 12px;
    color: var(--error-color);
}

/* 选择试卷弹窗（需高于新增场次抽屉） */
.modal-mask.modal-mask-top {
    z-index: 1250;
}

.sf-pick-name {
    font-size: 13px;
}

@media (max-width: 768px) {
    .session-form-drawer {
        width: 100%;
    }

    .sf-paper-tip {
        margin-left: 0;
    }
}

/* ==================== 考试考生抽屉（宽 90%） ==================== */
.candidate-mask {
    z-index: 1170;
}

.candidate-drawer {
    width: 90%;
    z-index: 1180;
}

.candidate-body {
    padding: 20px 24px;
}

.candidate-filter {
    background: transparent;
    padding: 0 0 16px;
    border-bottom: 1px solid var(--border-color-light);
    border-radius: 0;
    margin-bottom: 16px;
}

.candidate-toolbar {
    background: transparent;
    padding: 0;
    margin-bottom: 16px;
}

.candidate-split .candidate-caret {
    width: 14px;
    height: 14px;
    margin-left: 6px;
    margin-right: 0;
}

.candidate-toolbar .dropdown-menu {
    left: 0;
    right: auto;
    min-width: 220px;
}

.candidate-toolbar .dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}

.candidate-toolbar .dropdown-item .svg-icon {
    width: 16px;
    height: 16px;
}

.candidate-reset {
    padding: 6px 10px;
}

.candidate-table .candidate-act {
    font-size: 13px;
    margin-right: 14px;
}

.candidate-table .candidate-act .svg-icon {
    width: 14px;
    height: 14px;
}

.candidate-more {
    display: inline-block;
}

.candidate-more .dropdown-menu {
    left: auto;
    right: 0;
    min-width: 140px;
}

@media (max-width: 768px) {
    .candidate-drawer {
        width: 100%;
    }
}

/* ==================== 考生管理抽屉 ==================== */
.student-manage-mask {
    z-index: 1170;
}

.student-manage-drawer {
    width: 90%;
    z-index: 1180;
}

@media (max-width: 768px) {
    .student-manage-drawer {
        width: 100%;
    }
}

/* ==================== 新增考生抽屉 ==================== */
.add-candidate-mask {
    z-index: 1190;
}

.add-candidate-drawer {
    width: 50%;
    z-index: 1191;
}

.add-candidate-body {
    padding: 20px 24px;
    overflow-y: auto;
}

.add-candidate-body .collapse-panel {
    margin-bottom: 0;
}

.ac-collapse-header {
    justify-content: flex-start;
    gap: 8px;
    background: #fafafa;
}

.ac-collapse-title {
    font-size: 14px;
    font-weight: 500;
}

.ac-collapse-content {
    padding: 20px 24px;
}

.candidate-form {
    max-width: 720px;
}

.ac-form-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 16px;
}

.ac-label {
    flex: 0 0 110px;
    width: 110px;
    text-align: right;
    margin-right: 12px;
    padding-top: 8px;
    font-size: 14px;
    color: var(--text-color);
}

.ac-label .required {
    color: var(--error-color);
    margin-right: 2px;
}

.ac-control {
    flex: 1;
    min-width: 0;
}

.ac-control .form-input {
    width: 100%;
}

.ac-radio-group {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 32px;
}

.ac-radio {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    cursor: pointer;
}

.ac-radio input {
    width: 14px;
    height: 14px;
    margin: 0;
    accent-color: var(--primary-color);
}

.ac-textarea {
    height: 56px;
    padding: 8px 12px;
    line-height: 1.5;
    resize: vertical;
}

.ac-photo-btn {
    position: relative;
    overflow: hidden;
    height: 30px;
    padding: 0 12px;
    font-size: 13px;
}

.ac-footer {
    flex-shrink: 0;
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 12px 24px;
    border-top: 1px solid var(--border-color-light);
    background: var(--white);
}

@media (max-width: 768px) {
    .add-candidate-drawer {
        width: 100%;
    }

    .ac-label {
        flex-basis: 76px;
        width: 76px;
        font-size: 13px;
    }

    .ac-collapse-content {
        padding: 16px;
    }
}

/* ==================== 考生试卷预览抽屉 ==================== */
.paper-preview-mask {
    z-index: 1190;
}

.paper-preview-drawer {
    width: 90%;
    z-index: 1200;
}

.paper-preview-body {
    padding: 0 24px 24px;
}

.pp-toolbar {
    display: flex;
    justify-content: center;
    padding: 12px 0 10px;
}

.pp-print {
    font-size: 12px;
    padding: 4px 12px;
}

.pp-tip {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 36px;
    margin-bottom: 18px;
    background: #e6f7ff;
    border-radius: 2px;
    font-size: 12px;
    color: var(--text-color);
}

.pp-tip-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary-color);
    flex-shrink: 0;
}

.pp-tip-close {
    position: absolute;
    right: 12px;
    display: flex;
    color: var(--text-color-secondary);
    cursor: pointer;
}

.pp-tip-close .svg-icon {
    width: 14px;
    height: 14px;
}

.pp-paper {
    width: 100%;
    padding-bottom: 40px;
}

.pp-title {
    margin: 4px 0 10px;
    font-size: 20px;
    font-weight: 700;
    text-align: center;
}

.pp-chips {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 14px;
}

.pp-chips span {
    padding: 2px 10px;
    border-radius: 2px;
    background: #f5f5f5;
    font-size: 12px;
    color: var(--text-color-secondary);
}

.pp-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px 22px;
    padding: 10px 16px;
    margin-bottom: 28px;
    border: 1px solid var(--border-color-light);
    background: #fafafa;
    font-size: 12px;
    color: var(--text-color);
}

.pp-meta b {
    font-weight: 600;
}

.pp-meta-score b {
    color: var(--error-color);
}

.pp-section-title {
    margin: 26px 0 14px;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-color);
}

.pp-question {
    padding: 16px;
    margin-bottom: 12px;
    border-radius: 4px;
    background: #f7f8fa;
}

.pp-q-head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 13px;
}

.pp-q-score {
    color: var(--text-color-secondary);
}

.pp-tag {
    padding: 1px 6px;
    border-radius: 2px;
    background: #fff7e6;
    color: #fa8c16;
    font-size: 11px;
}

.pp-stem {
    margin-bottom: 10px;
    font-size: 13px;
    color: var(--text-color);
}

.pp-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 12px;
    margin-bottom: 8px;
    border: 1px solid #e8e8e8;
    border-radius: 2px;
    background: #fff;
    font-size: 12px;
    color: var(--text-color);
}

.pp-option.is-selected {
    border-color: #faad14;
    background: #fffbe6;
}

.pp-answer-panel {
    border: 1px solid #ffe7ba;
    background: #fffbe6;
}

.pp-answer-panel .pp-dot {
    background: #fa8c16;
}

.pp-answer-panel .pp-result-title {
    color: #fa8c16;
}

.pp-answer-items {
    padding-left: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pp-answer-file {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border: 1px solid #f0e3c0;
    border-radius: 4px;
    background: var(--white);
}

.pp-answer-file .svg-icon {
    flex-shrink: 0;
    color: #fa8c16;
}

.pp-answer-file-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-color);
}

.pp-answer-file-size {
    flex-shrink: 0;
    color: var(--text-color-secondary);
    font-size: 11px;
}

.pp-answer-tag {
    flex-shrink: 0;
    color: #fa8c16;
    font-size: 11px;
}

.pp-result {
    padding: 8px 12px;
    margin-top: 8px;
    border-radius: 2px;
    font-size: 12px;
}

.pp-result-title {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
    font-weight: 600;
}

.pp-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.pp-result-value {
    padding-left: 12px;
    color: var(--text-color);
}

.pp-unit {
    color: var(--text-color-secondary);
    font-size: 11px;
}

.pp-score-block {
    border: 1px solid #b7eb8f;
    background: #f6ffed;
}

.pp-score-block .pp-dot {
    background: var(--success-color);
}

.pp-score-block .pp-result-title {
    color: var(--success-color);
}

.pp-manual-tag {
    margin-left: 4px;
    padding: 1px 6px;
    border-radius: 3px;
    background: #fff7e6;
    color: #fa8c16;
    font-size: 11px;
    font-weight: 400;
}

.pp-score-input {
    width: 76px;
    height: 28px;
    padding: 0 8px;
    border: 1px solid #b7eb8f;
    border-radius: 4px;
    background: var(--white);
    color: var(--text-color);
    font-size: 13px;
    text-align: center;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.pp-score-input:focus {
    border-color: var(--success-color);
    box-shadow: 0 0 0 2px rgba(82, 196, 26, 0.15);
}

.pp-score-input::placeholder {
    color: #bfbfbf;
    font-size: 12px;
}

.pp-correct-block {
    border: 1px solid #91d5ff;
    background: #e6f7ff;
}

.pp-correct-block .pp-dot {
    background: var(--primary-color);
}

.pp-correct-block .pp-result-title {
    color: var(--primary-color);
}

.pp-analysis-block {
    border: 1px solid #ffe58f;
    background: #fffbe6;
}

.pp-analysis-block .pp-dot {
    background: var(--warning-color);
}

.pp-analysis-block .pp-result-title {
    color: #fa8c16;
}

@media (max-width: 768px) {
    .paper-preview-drawer {
        width: 100%;
    }
}