/* ===== 后台管理端：深色侧栏 + 浅色数据区 =====
   令牌来源见 styles.css 与 design-system/kingdee-exam-admin/MASTER.md */

.admin-app {
  min-height: 100vh;
}

/* ---------- 登录页 ---------- */

.login-panel {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(100%, 430px);
  display: grid;
  gap: 18px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: var(--card);
  box-shadow: var(--shadow-md);
}

.login-card h1 {
  margin: 0;
  font-size: 26px;
}

.login-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.login-card label,
.editor-card label {
  display: grid;
  gap: 8px;
}

.login-card label span,
.editor-card label span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

/* ---------- 控制台骨架 ---------- */

.admin-shell {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 18px;
  padding: 22px 16px;
  color: var(--sidebar-fg);
  background: var(--sidebar);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.sidebar-brand strong,
.sidebar-brand span {
  display: block;
}

.sidebar-brand strong {
  font-size: 15px;
}

.sidebar-brand span {
  margin-top: 2px;
  color: var(--sidebar-muted);
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-nav {
  display: grid;
  align-content: start;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 12px;
  border: 0;
  border-radius: var(--r-sm);
  color: var(--sidebar-muted);
  background: transparent;
  font-size: 14px;
  font-weight: 600;
  text-align: left;
  transition: background-color var(--t-fast), color var(--t-fast);
}

.nav-item svg {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
}

.nav-item:hover {
  color: var(--sidebar-fg);
  background: var(--sidebar-card);
}

.nav-item.is-active {
  color: #fff;
  background: var(--sidebar-card);
}

.nav-badge {
  margin-left: auto;
  min-width: 20px;
  padding: 1px 6px;
  border-radius: 999px;
  color: var(--color-ink);
  background: var(--status-green);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  text-align: center;
}

.sidebar-foot {
  display: grid;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid rgba(148, 163, 184, 0.22);
}

.sidebar-env {
  color: var(--sidebar-muted);
  font-family: var(--mono);
  font-size: 11px;
}

.sidebar-link {
  min-height: 38px;
  display: flex;
  align-items: center;
  padding: 0 10px;
  border: 0;
  border-radius: var(--r-sm);
  color: var(--sidebar-muted);
  background: transparent;
  font-size: 13px;
  text-decoration: none;
  transition: background-color var(--t-fast), color var(--t-fast);
}

.sidebar-link:hover {
  color: var(--sidebar-fg);
  background: var(--sidebar-card);
}

/* ---------- 主数据区 ---------- */

.admin-main {
  min-width: 0;
  padding: 26px 28px 52px;
  background: var(--color-background);
}

.main-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 20px;
}

.main-head h1 {
  margin: 0;
  font-size: 24px;
}

.main-head p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.main-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.main-actions button {
  min-height: 44px;
  padding: 0 18px;
}

/* KPI 概览 */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.kpi-card {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--card);
  box-shadow: var(--sh-1);
}

.kpi-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.kpi-value {
  color: var(--color-ink);
  font-family: var(--mono);
  font-size: 24px;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.kpi-value.green { color: var(--color-success); }
.kpi-value.amber { color: var(--color-accent-ink); }

/* ---------- 通用面板 ---------- */

.view {
  display: none;
}

.view.is-active {
  display: grid;
  gap: 16px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--card);
  box-shadow: var(--sh-1);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.panel-head span {
  color: var(--muted);
  font-size: 12px;
}

.panel-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.panel-toolbar input {
  flex: 1 1 220px;
}

.panel-toolbar select {
  flex: 0 1 170px;
}

/* ---------- 表单控件 ---------- */

.admin-filters input,
.admin-filters select,
.panel-toolbar input,
.panel-toolbar select,
.login-card input,
.editor-card input,
.editor-card select,
.editor-card textarea,
.code-form select,
.import-level select,
.import-controls select,
.confirm-card input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  color: var(--ink);
  background: #fff;
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.admin-filters input,
.admin-filters select,
.panel-toolbar input,
.panel-toolbar select,
.login-card input,
.editor-card input,
.editor-card select,
.code-form select,
.confirm-card input {
  min-height: 44px;
  padding: 0 13px;
}

.editor-card textarea {
  min-height: 92px;
  padding: 12px 13px;
  resize: vertical;
}

.admin-filters input:focus-visible,
.admin-filters select:focus-visible,
.panel-toolbar input:focus-visible,
.panel-toolbar select:focus-visible,
.login-card input:focus-visible,
.editor-card input:focus-visible,
.editor-card select:focus-visible,
.editor-card textarea:focus-visible,
.code-form select:focus-visible,
.confirm-card input:focus-visible {
  border-color: var(--color-ring);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
}

/* ---------- 题库管理 ---------- */

.question-layout {
  display: grid;
  grid-template-columns: minmax(330px, 420px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.list-panel {
  display: grid;
  gap: 12px;
  padding-bottom: 14px;
  max-height: calc(100vh - 250px);
  overflow: hidden;
}

.list-panel > .admin-filters,
.list-panel > .duplicate-box {
  margin: 0 16px;
}

.admin-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.admin-filters input { flex: 1 1 150px; }
.admin-filters select { flex: 1 1 120px; }

.duplicate-box {
  display: none;
  padding: 11px 12px;
  border: 1px solid #f0d6a5;
  border-radius: var(--r-sm);
  color: #73501a;
  background: #fff8e8;
  font-size: 13px;
  line-height: 1.55;
}

.duplicate-box.show {
  display: block;
}

.question-list {
  display: grid;
  gap: 10px;
  overflow: auto;
  padding: 0 16px;
}

.question-row {
  display: grid;
  gap: 7px;
  width: 100%;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  color: var(--ink);
  background: #fff;
  text-align: left;
  transition: border-color var(--t-fast), background-color var(--t-fast);
}

.question-row:hover,
.question-row.active {
  border-color: #bdd3ff;
  background: var(--blue-soft);
}

.row-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.row-meta span:first-child {
  font-family: var(--mono);
}

.row-title {
  display: -webkit-box;
  overflow: hidden;
  font-weight: 700;
  line-height: 1.45;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.row-options {
  display: -webkit-box;
  overflow: hidden;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.editor-card {
  display: grid;
  gap: 18px;
  padding: 22px;
}

.editor-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.editor-head h1 {
  margin: 0;
  font-size: 22px;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.image-manager {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px dashed #cbd8e8;
  border-radius: var(--r);
  background: var(--soft);
}

.image-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.upload-button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
}

.image-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}

.image-item {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: #fff;
}

.image-item img {
  width: 100%;
  height: 110px;
  object-fit: contain;
  border-radius: var(--r-sm);
  background: #f3f6fa;
}

.image-item button {
  min-height: 36px;
  border: 0;
  border-radius: var(--r-sm);
  color: var(--red);
  background: var(--color-destructive-soft);
}

.editor-actions {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 10px;
}

#deleteBtn {
  color: var(--red);
  border-color: #f0c6c6;
}

.list-pagination {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 12px 16px 0;
}

.list-pagination span {
  color: var(--muted);
  text-align: center;
  font-size: 13px;
  font-family: var(--mono);
}

/* ---------- 用户管理 ---------- */

.table-panel {
  padding-bottom: 14px;
}

.user-table-wrap {
  max-height: 62vh;
  overflow: auto;
}

.user-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.user-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 11px 14px;
  color: var(--muted);
  background: var(--color-muted);
  font-size: 12px;
  font-weight: 700;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--line);
}

.user-table td {
  padding: 11px 14px;
  border-top: 1px solid var(--line);
  white-space: nowrap;
}

.user-table tbody tr:hover {
  background: #f8fbff;
}

.user-status,
.user-level,
.user-period {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
  white-space: nowrap;
}

.user-status.ok { color: #137a2e; background: #e6f6ea; }
.user-status.off { color: #8a6d1d; background: #faf3dd; }
.user-level.pri { color: #1f4e79; background: #e7f0f9; }
.user-level.mid { color: #6b3fa0; background: #f2ebfa; }
.user-period.perm { color: #137a2e; background: #e6f6ea; }
.user-period.until { color: #8a5a00; background: #fbf0df; }

.user-code {
  font-family: var(--mono);
  font-size: 12px;
  color: #1f4e79;
  background: #eef3f9;
  padding: 2px 7px;
  border-radius: var(--r-sm);
}

.user-muted { color: #b3b8bf; }

/* 用户列表：初级/中级题库分行展示激活情况与所用激活码 */
.bank-stack {
  display: grid;
  gap: 6px;
}

.bank-line {
  display: flex;
  align-items: center;
  gap: 8px;
}

.bank-tag {
  min-width: 30px;
  color: var(--muted);
  font-size: 12px;
}

.user-empty {
  padding: 32px !important;
  color: var(--muted);
  text-align: center;
}

/* ---------- 激活码管理 ---------- */

.code-actions {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px 18px;
  padding: 18px;
}

.code-actions strong,
.code-actions span {
  display: block;
}

.code-actions span {
  margin-top: 5px;
  max-width: 460px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.code-form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-left: auto;
}

.code-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.code-form label span {
  margin-top: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.code-form select {
  min-width: 156px;
}

.generated-code {
  padding: 16px;
  border: 1px solid #c9defd;
  border-radius: var(--r);
  background: var(--color-primary-soft);
}

.generated-code > span {
  color: var(--muted);
  font-size: 13px;
}

.generated-code div {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.generated-code input {
  flex: 1;
  min-width: 0;
  font-weight: 700;
}

.code-table-wrap {
  max-height: 62vh;
  overflow: auto;
}

.code-table td:last-child .secondary-button {
  min-height: 32px;
  padding: 0 12px;
  font-size: 12.5px;
}

.code-id {
  color: var(--muted);
  font-size: 12px;
}

.code-owner strong,
.code-owner span {
  display: block;
}

.code-owner span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.code-note {
  margin: 0;
  padding: 10px 16px 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.code-badge {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.code-badge.unused { color: #137a2e; background: #e6f6ea; }
.code-badge.used { color: #1f4e79; background: #e7f0f9; }
.code-badge.disabled { color: #8a6d1d; background: #faf3dd; }

/* ---------- 阅卷中心 ---------- */

.review-layout {
  display: grid;
  grid-template-columns: minmax(300px, 380px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.review-list {
  display: grid;
  gap: 10px;
  padding: 14px 16px;
  overflow: auto;
  max-height: calc(100vh - 300px);
}

.review-card {
  display: grid;
  gap: 7px;
  width: 100%;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: #fff;
  text-align: left;
  transition: border-color var(--t-fast), background-color var(--t-fast);
}

.review-card:hover,
.review-card.is-active {
  border-color: #bdd3ff;
  background: var(--blue-soft);
}

.review-card strong {
  font-size: 14px;
}

.review-card .row-meta {
  font-family: var(--mono);
}

.review-panel {
  padding: 20px;
  min-height: 320px;
}

.review-form {
  display: grid;
  gap: 16px;
}

.review-form-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.review-form-head h2 {
  margin: 0;
  font-size: 18px;
}

.review-form-head p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
  font-family: var(--mono);
}

.review-item {
  display: grid;
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: #fbfdff;
}

.review-item h3 {
  margin: 0;
  font-size: 15px;
  line-height: 1.55;
}

.review-answer {
  display: grid;
  gap: 6px;
  padding: 12px;
  border-radius: var(--r-sm);
  background: #fff;
  border: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.7;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.review-answer b {
  color: var(--muted);
  font-size: 12px;
}

.score-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.score-row label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.score-row input {
  width: 90px;
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-family: var(--mono);
  font-size: 15px;
  text-align: center;
}

.score-row input:focus-visible {
  border-color: var(--color-ring);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
  outline: none;
}

.score-row .score-max {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 13px;
}

.review-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.review-actions button {
  min-height: 44px;
  padding: 0 20px;
}

/* ---------- 导入弹窗 ---------- */

body.modal-open {
  overflow: hidden;
}

.import-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
}

.import-modal[hidden] {
  display: none;
}

.import-dialog {
  width: min(1120px, 100%);
  max-height: min(900px, calc(100vh - 48px));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
  box-shadow: var(--shadow-lg);
}

.import-header,
.import-footer,
.import-controls,
.import-question-head {
  display: flex;
  align-items: center;
}

.import-header {
  justify-content: space-between;
  gap: 20px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
}

.import-header h1 {
  margin: 3px 0 0;
  font-size: 21px;
}

.icon-close {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  border: 0;
  border-radius: var(--r-sm);
  color: var(--muted);
  background: transparent;
  font-size: 26px;
  line-height: 1;
  transition: background-color var(--t-fast), color var(--t-fast);
}

.icon-close:hover {
  color: var(--ink);
  background: var(--soft);
}

.import-setup {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) 170px 150px;
  align-items: end;
  gap: 14px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
  background: #fbfcfe;
}

.file-drop {
  min-height: 78px;
  display: grid;
  place-content: center;
  gap: 5px;
  padding: 12px 18px;
  border: 1px dashed #aabbd0;
  border-radius: var(--r-sm);
  color: var(--ink);
  background: #fff;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--t-fast), background-color var(--t-fast);
}

.file-drop span {
  color: var(--muted);
  font-size: 12px;
}

.file-drop:hover,
.file-drop.dragging,
.file-drop.has-file {
  border-color: var(--blue);
  background: var(--blue-soft);
}

.import-level {
  display: grid;
  gap: 8px;
}

.import-level span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.import-level select,
.import-controls select {
  min-height: 44px;
  padding: 0 12px;
}

.import-loading {
  min-height: 280px;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 14px;
  color: var(--muted);
}

.loading-ring {
  width: 34px;
  height: 34px;
  border: 3px solid #dbe5f0;
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: import-spin 0.8s linear infinite;
}

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

.import-preview {
  min-height: 0;
  display: flex;
  flex: 1;
  flex-direction: column;
}

.import-preview[hidden],
.import-loading[hidden],
.import-setup[hidden] {
  display: none;
}

.import-summary {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-bottom: 1px solid var(--line);
}

.import-summary div {
  display: grid;
  gap: 2px;
  padding: 14px 18px;
  border-right: 1px solid var(--line);
}

.import-summary div:last-child {
  border-right: 0;
}

.import-summary strong {
  font-family: var(--mono);
  font-size: 22px;
}

.import-summary span {
  color: var(--muted);
  font-size: 12px;
}

.import-summary .summary-ready strong { color: var(--green); }
.import-summary .summary-duplicate strong,
.import-summary .summary-invalid strong { color: #a56509; }

.import-warning {
  padding: 10px 24px;
  border-bottom: 1px solid #f0d6a5;
  color: #73501a;
  background: #fff8e8;
  font-size: 13px;
  line-height: 1.5;
}

.import-controls {
  justify-content: space-between;
  gap: 14px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--line);
}

.check-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.check-control input,
.import-question-head > input {
  width: 18px;
  height: 18px;
  accent-color: var(--blue);
}

.import-question-list {
  min-height: 220px;
  overflow: auto;
}

.import-question {
  padding: 15px 24px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.import-question.duplicate,
.import-question.invalid {
  background: #fffdf8;
}

.import-question-head {
  align-items: flex-start;
  gap: 12px;
}

.import-question-head > input {
  flex: 0 0 18px;
  margin-top: 3px;
}

.import-question-main {
  min-width: 0;
  display: grid;
  flex: 1;
  gap: 6px;
}

.import-question-main > strong {
  line-height: 1.5;
}

.import-question-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.import-question-meta select {
  min-height: 30px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.import-status {
  padding: 3px 7px;
  border-radius: 4px;
  color: #176641;
  background: #e9f8f0;
  font-weight: 700;
}

.duplicate .import-status,
.invalid .import-status {
  color: #7a5215;
  background: #fff1cf;
}

.import-note {
  color: var(--muted);
  font-size: 12px;
}

.import-question details {
  margin: 10px 0 0 30px;
  color: var(--muted);
  font-size: 13px;
}

.import-question summary {
  width: fit-content;
  cursor: pointer;
}

.import-question pre,
.import-question details p {
  margin: 10px 0 0;
  white-space: pre-wrap;
  word-break: break-word;
  font: inherit;
  line-height: 1.6;
}

.import-images {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.import-images img {
  width: 140px;
  height: 100px;
  object-fit: contain;
  border: 1px solid var(--line);
  background: var(--soft);
}

.import-empty {
  min-height: 220px;
  display: grid;
  place-items: center;
  color: var(--muted);
}

.import-footer {
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
  border-top: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-size: 13px;
}

.import-footer > div {
  display: flex;
  gap: 10px;
}

.import-footer button {
  min-height: 44px;
  padding: 0 16px;
}

/* ---------- 响应式 ---------- */

@media (max-width: 1080px) {
  .question-layout,
  .review-layout {
    grid-template-columns: 1fr;
  }

  .list-panel {
    max-height: none;
  }

  .question-list {
    max-height: 420px;
  }
}

@media (max-width: 900px) {
  .admin-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    grid-template-rows: auto auto auto;
  }

  .sidebar-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sidebar-foot {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .kpi-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-main {
    padding: 20px 16px 40px;
  }
}

@media (max-width: 620px) {
  .field-grid {
    grid-template-columns: 1fr;
  }

  .editor-actions,
  .admin-filters {
    display: grid;
    grid-template-columns: 1fr;
  }

  .code-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .code-form {
    margin-left: 0;
  }

  .import-modal {
    padding: 0;
  }

  .import-dialog {
    width: 100%;
    height: 100dvh;
    max-height: none;
    border: 0;
    border-radius: 0;
  }

  .import-header,
  .import-setup,
  .import-controls,
  .import-question,
  .import-footer {
    padding-left: 14px;
    padding-right: 14px;
  }

  .import-setup {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .import-summary {
    grid-template-columns: repeat(3, 1fr);
  }

  .import-summary div {
    border-bottom: 1px solid var(--line);
  }

  .import-controls,
  .import-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .import-footer > div {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}

/* ---------- 用户管理：停用状态、操作列与新增用户弹窗 ---------- */

.user-status.danger {
  color: #a11b1b;
  background: #fdeaea;
}

/* 停用用户整行弱化，仅保留操作按钮可读 */
.user-row-disabled td:not(.user-action-cell) {
  opacity: 0.6;
}

.user-action-cell {
  white-space: nowrap;
}

.compact-button {
  min-height: 34px;
  padding: 0 14px;
  font-size: 13px;
}

.user-form-card {
  width: min(100%, 440px);
}

.user-form-card form {
  display: grid;
  gap: 14px;
}

.user-form-card label {
  display: grid;
  gap: 6px;
}

.user-form-card label > span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.user-form-card input,
.user-form-card select {
  width: 100%;
  min-height: 44px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  color: var(--ink);
  background: #fff;
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.user-form-card input:focus-visible,
.user-form-card select:focus-visible {
  border-color: var(--color-ring);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
}

.user-form-card .form-error {
  margin: 0;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  color: #a11b1b;
  background: #fdeaea;
  font-size: 13px;
  line-height: 1.6;
}