/* 布局外框（WP-0.2）：顶栏、学员标签栏、管理侧栏与抽屉、平台与办公外框、登录页、合规横幅与水印。
   层叠顺序：浮动批量条 40 < 顶栏 50 < 学员标签栏 60 < 抽屉 70 < 对话框 80 < 水印 90（水印不挡点击）。
   断点：900（学员标签栏、管理抽屉、办公顶栏收起）、760、640。不用 :has()、subgrid。 */

.ui-body {
  min-height: 100vh;
}

/* ---------------------------------------------------------------- 顶栏与标识 */

.ui-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 12px;
  height: var(--ui-topbar);
  padding: 0 12px 0 16px;
  border-bottom: 1px solid var(--ui-line);
  background: var(--ui-surface);
  color: var(--ui-ink);
}

.ui-brand-form {
  display: flex;
  min-width: 0;
  margin: 0;
}

.ui-brand {
  display: inline-flex;
  min-width: 0;
  min-height: var(--ui-tap);
  align-items: center;
  gap: 8px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--ui-ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

span.ui-brand {
  cursor: default;
}

a.ui-brand:hover {
  text-decoration: none;
}

.ui-brand-mark {
  display: block;
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  background: url("brand/hangzhou-metro-logo.61a2fcba72b7.png") center / contain no-repeat;
}

.ui-brand-full {
  overflow: hidden;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ui-brand-short {
  display: none;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
}

.ui-app-label {
  padding-left: 12px;
  border-left: 1px solid var(--ui-line-strong);
  color: var(--ui-muted);
  font-size: 14px;
  white-space: nowrap;
}

/* 账户菜单（<details>，没有脚本也能开合） */
.ui-account {
  position: relative;
  flex: 0 0 auto;
  margin-left: auto;
}

.ui-account-summary {
  display: flex;
  min-height: var(--ui-tap);
  align-items: center;
  gap: 8px;
  padding: 0 4px;
  list-style: none;
  cursor: pointer;
}

.ui-account-summary::-webkit-details-marker {
  display: none;
}

.ui-avatar {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--ui-primary-soft);
  color: var(--ui-primary);
}

.ui-account-name {
  max-width: 10em;
  overflow: hidden;
  font-size: 14px;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ui-menu-panel {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  z-index: 55;
  display: flex;
  min-width: 230px;
  max-width: calc(100vw - 24px);
  flex-direction: column;
  padding: 6px;
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius-card);
  background: var(--ui-surface);
  box-shadow: var(--ui-shadow-pop);
}

.ui-menu-panel form {
  margin: 0;
}

.ui-menu-item {
  display: flex;
  width: 100%;
  min-height: var(--ui-tap);
  align-items: center;
  padding: 0 12px;
  border: 0;
  border-radius: var(--ui-radius-control);
  background: none;
  color: var(--ui-ink);
  font: inherit;
  font-size: 15px;
  text-align: left;
  cursor: pointer;
}

.ui-menu-item:hover {
  background: var(--ui-hover);
  text-decoration: none;
}

.ui-account-who {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0 0 4px;
  padding: 8px 12px 10px;
  border-bottom: 1px solid var(--ui-line-soft);
}

.ui-account-who strong {
  font-size: 15px;
}

.ui-account-who span {
  color: var(--ui-muted);
  font-size: 12px;
}

/* ---------------------------------------------------------------- 正文与消息 */

.ui-main {
  display: block;
  width: 100%;
  max-width: calc(var(--ui-page-max) + 2 * var(--ui-page-pad));
  margin: 0 auto;
  padding: 20px var(--ui-page-pad) 48px;
}

.ui-messages {
  display: flex;
  max-width: calc(var(--ui-page-max) + 2 * var(--ui-page-pad));
  flex-direction: column;
  gap: 8px;
  margin: 16px auto 0;
  padding: 0 var(--ui-page-pad);
}

.ui-message {
  padding: 10px 14px;
  border: 1px solid var(--ui-primary-line);
  border-radius: var(--ui-radius-panel);
  background: var(--ui-primary-soft);
  color: var(--ui-ink);
}

.ui-message-success {
  border-color: var(--ui-success-line);
  background: var(--ui-success-soft);
}

.ui-message-warning {
  border-color: var(--ui-warn-line);
  background: var(--ui-warn-soft);
}

.ui-message-error {
  border-color: var(--ui-danger-line);
  background: var(--ui-danger-soft);
  color: var(--ui-danger);
}

/* ---------------------------------------------------------------- 学员外框（R-PW-56～59） */

.ui-learner-top {
  padding: 0 10px 0 16px;
}

.layout-learner .ui-brand-full,
.layout-focus .ui-brand-full {
  display: none;
}

.layout-learner .ui-brand-short,
.layout-focus .ui-brand-short {
  display: inline;
}

.ui-learner-top .ui-account-name {
  display: none;
}

.ui-learner-topnav {
  display: none;
}

.ui-tabbar {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 60;
  display: grid;
  height: calc(var(--ui-tabbar) + var(--ui-safe-bottom));
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding-bottom: var(--ui-safe-bottom);
  border-top: 1px solid var(--ui-line);
  background: var(--ui-surface);
}

.ui-ltab {
  display: flex;
  min-width: 0;
  min-height: var(--ui-tap);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--ui-muted);
  font-size: 11px;
  line-height: 1.2;
}

.ui-ltab:hover {
  text-decoration: none;
}

.ui-ltab.is-active {
  color: var(--ui-primary);
  font-weight: 700;
}

.ui-ltab:focus-visible {
  outline-offset: -3px;
}

.has-tabbar {
  padding-bottom: calc(var(--ui-tabbar) + var(--ui-safe-bottom));
}

.layout-learner .ui-main,
.layout-focus .ui-main {
  padding-top: 16px;
  padding-bottom: 28px;
}

@media (min-width: 900px) {
  .ui-learner-top {
    padding: 0 24px;
  }
  .ui-learner-top.is-focus .ui-brand-full,
  .layout-learner .ui-brand-full {
    display: inline;
  }
  .layout-learner .ui-brand-short,
  .layout-focus .ui-brand-short {
    display: none;
  }
  .layout-focus .ui-brand-full {
    display: inline;
  }
  .ui-learner-top .ui-account-name {
    display: inline;
  }
  .ui-learner-topnav {
    display: flex;
    gap: 4px;
    margin-left: 20px;
  }
  .ui-learner-topnav .ui-ltab {
    min-height: 36px;
    flex-direction: row;
    gap: 6px;
    padding: 0 12px;
    border-radius: var(--ui-radius-control);
    font-size: 14px;
  }
  .ui-learner-topnav .ui-ltab .ui-icon {
    width: 18px;
    height: 18px;
  }
  .ui-learner-topnav .ui-ltab.is-active {
    background: var(--ui-primary-soft);
  }
  .ui-tabbar {
    display: none;
  }
  .has-tabbar {
    padding-bottom: 0;
  }
  .layout-learner .ui-main,
  .layout-focus .ui-main {
    padding-top: 28px;
  }
}

/* ---------------------------------------------------------------- 管理外框（侧栏与抽屉） */

.ui-menu-button {
  display: none;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  margin-left: -10px;
  border-radius: var(--ui-radius-control);
  color: var(--ui-ink);
}

.ui-top-actions {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  font-size: 14px;
}

.ui-top-actions form {
  margin: 0;
}

.ui-top-link {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  padding: 0 10px;
  border: 0;
  border-radius: var(--ui-radius-control);
  background: none;
  color: var(--ui-ink-soft);
  font: inherit;
  white-space: nowrap;
  cursor: pointer;
}

.ui-top-link:hover {
  background: var(--ui-hover);
  color: var(--ui-primary);
  text-decoration: none;
}

.ui-top-user {
  display: inline-flex;
  flex-direction: column;
  padding: 0 10px;
  font-weight: 500;
  line-height: 1.25;
  white-space: nowrap;
}

.ui-top-user small {
  color: var(--ui-muted);
  font-size: 12px;
  font-weight: 400;
}

.ui-shell {
  display: grid;
  grid-template-columns: var(--ui-sidenav) minmax(0, 1fr);
  align-items: start;
}

.ui-shell-main {
  min-width: 0;
}

.layout-manage .ui-main {
  max-width: var(--ui-page-max);
  margin: 0;
  padding: 12px 32px 64px;
}

.layout-manage .ui-messages {
  max-width: var(--ui-page-max);
  margin: 16px 0 0;
  padding: 0 32px;
}

.ui-sidenav {
  position: sticky;
  top: var(--ui-topbar);
  display: flex;
  height: calc(100vh - var(--ui-topbar));
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
  padding: 14px 12px 24px;
  border-right: 1px solid var(--ui-line);
  background: var(--ui-surface);
  font-size: 14px;
}

.ui-sidenav-head {
  display: none;
}

.ui-nav-top,
.ui-nav-group > summary {
  display: flex;
  min-height: 38px;
  align-items: center;
  gap: 10px;
  padding: 0 10px;
  border-radius: var(--ui-radius-control);
  color: var(--ui-ink);
  font-weight: 500;
  list-style: none;
  cursor: pointer;
}

.ui-nav-group > summary::-webkit-details-marker {
  display: none;
}

.ui-nav-top:hover,
.ui-nav-group > summary:hover {
  background: var(--ui-hover);
  text-decoration: none;
}

.ui-nav-top .ui-icon,
.ui-nav-group > summary .ui-icon {
  flex: 0 0 auto;
  color: var(--ui-muted);
}

.ui-nav-label {
  flex: 1 1 auto;
}

.ui-nav-chevron {
  transition: transform 0.15s ease;
}

.ui-nav-group[open] > summary .ui-nav-chevron {
  transform: rotate(180deg);
}

.ui-nav-top.is-active {
  background: var(--ui-primary-soft);
  color: var(--ui-primary);
  font-weight: 700;
}

.ui-nav-top.is-active .ui-icon,
.ui-nav-group.is-current > summary,
.ui-nav-group.is-current > summary .ui-icon {
  color: var(--ui-primary);
}

.ui-nav-group.is-current > summary {
  font-weight: 700;
}

.ui-nav-pages {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 2px 0 6px;
}

.ui-nav-page {
  display: flex;
  width: 100%;
  min-height: 34px;
  align-items: center;
  padding: 0 10px 0 38px;
  border: 0;
  border-radius: var(--ui-radius-control);
  background: none;
  color: var(--ui-ink-soft);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.ui-nav-page:hover {
  background: var(--ui-hover);
  color: var(--ui-primary);
  text-decoration: none;
}

.ui-nav-page.is-active {
  background: var(--ui-primary-soft);
  color: var(--ui-primary);
  font-weight: 700;
}

.ui-nav-empty {
  padding: 8px 10px;
}

.ui-sidenav-account {
  display: none;
}

.ui-sidenav-account form {
  margin: 0;
}

.ui-nav-backdrop {
  display: none;
}

@media (max-width: 899px) {
  .ui-shell {
    grid-template-columns: minmax(0, 1fr);
  }
  .ui-menu-button {
    display: inline-flex;
  }
  .ui-app-label,
  .ui-top-actions {
    display: none;
  }
  .ui-manage-top .ui-brand-full {
    font-size: 15px;
  }
  .ui-sidenav {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 70;
    width: 296px;
    max-width: 86vw;
    height: auto;
    padding-top: 8px;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    visibility: hidden;
  }
  /* 没有脚本时靠 #ui-nav（:target）打开；脚本生效后（html.ui-js，shell.js）只认 body.ui-nav-open，
     否则 :target 残留时关闭按钮、遮罩、Esc 都关不掉（复核 F3） */
  html:not(.ui-js) .ui-sidenav:target,
  .ui-nav-open .ui-sidenav {
    box-shadow: 8px 0 24px rgba(27, 35, 48, 0.18);
    transform: none;
    visibility: visible;
  }
  .ui-sidenav-head {
    display: flex;
    min-height: var(--ui-tap);
    align-items: center;
    justify-content: space-between;
    padding: 0 0 6px 10px;
    color: var(--ui-muted);
    font-size: 13px;
  }
  .ui-sidenav-close {
    display: inline-flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    color: var(--ui-ink);
  }
  .ui-nav-top,
  .ui-nav-group > summary,
  .ui-nav-page {
    min-height: var(--ui-tap);
  }
  .ui-sidenav-account {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid var(--ui-line);
  }
  .ui-sidenav-account .ui-account-who {
    border-bottom: 0;
  }
  .ui-sidenav-account .ui-nav-page {
    padding-left: 10px;
  }
  html:not(.ui-js) .ui-sidenav:target + .ui-nav-backdrop,
  .ui-nav-open .ui-nav-backdrop {
    position: fixed;
    inset: 0;
    z-index: 65;
    display: block;
    background: rgba(27, 35, 48, 0.45);
  }
  .layout-manage .ui-main {
    padding: 8px var(--ui-page-pad) 48px;
  }
  .layout-manage .ui-messages {
    margin-top: 12px;
    padding: 0 var(--ui-page-pad);
  }
}

@media (max-width: 480px) {
  .ui-manage-top .ui-brand-full {
    max-width: 11em;
  }
}

/* ---------------------------------------------------------------- 平台站、办公站外框 */

.ui-site-top {
  gap: 16px;
  padding: 0 24px;
}

.layout-portal,
.layout-office {
  --ui-page-max: 1180px;
  --ui-topbar: 60px;
}

.ui-site-nav {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
}

.ui-site-link {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  padding: 0 12px;
  border-radius: var(--ui-radius-control);
  color: var(--ui-ink-soft);
  font-size: 14px;
  white-space: nowrap;
}

.ui-site-link:hover {
  background: var(--ui-hover);
  text-decoration: none;
}

/* 办公站“应用中心”是 POST 表单里的按钮（经票据回平台，F-OFF-01），外观同顶栏链接 */
.ui-site-form {
  display: inline-flex;
  margin: 0;
}

button.ui-site-link {
  border: 0;
  background: none;
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}

.ui-site-link.is-active {
  background: var(--ui-primary-soft);
  color: var(--ui-primary);
  font-weight: 700;
}

@media (max-width: 899px) {
  .layout-portal,
  .layout-office {
    --ui-topbar: 52px;
  }
  .ui-site-top {
    position: relative;
    height: auto;
    min-height: var(--ui-topbar);
    flex-wrap: wrap;
    padding: 4px 12px 4px 16px;
  }
  .ui-site-top .ui-account-name {
    display: none;
  }
  .ui-site-nav {
    order: 3;
    width: 100%;
    padding-bottom: 4px;
  }
  .ui-site-nav .ui-site-link {
    min-height: var(--ui-tap);
  }
}

/* ---------------------------------------------------------------- 登录、改密（无导航） */

.ui-bare {
  display: flex;
  width: 100%;
  max-width: calc(var(--ui-page-max) + 32px);
  flex-direction: column;
  gap: 16px;
  margin: 0 auto;
  padding: 40px 16px 48px;
}

.ui-bare-brand {
  display: flex;
  justify-content: center;
}

.ui-bare-brand .ui-brand-full {
  white-space: normal;
}

.ui-bare .ui-messages {
  margin: 0;
  padding: 0;
}

@media (max-width: 640px) {
  .ui-bare {
    padding-top: 24px;
  }
}

/* ---------------------------------------------------------------- 合规横幅与水印（R-06-133） */

.ui-compliance {
  position: relative;
  z-index: 25;
  border-bottom: 1px solid var(--ui-compliance-line);
  background: var(--ui-compliance-soft);
  color: var(--ui-compliance-ink);
}

.ui-compliance-inner {
  display: flex;
  max-width: calc(var(--ui-page-max) + 2 * var(--ui-page-pad));
  min-height: 34px;
  align-items: center;
  justify-content: space-between;
  gap: 8px 18px;
  margin: 0 auto;
  padding: 6px var(--ui-page-pad);
  font-size: 11px;
  line-height: 1.5;
}

.ui-compliance-message {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 9px;
}

.ui-compliance-icon {
  display: inline-flex;
  flex: 0 0 auto;
  width: 21px;
  height: 21px;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  background: var(--ui-compliance-mark);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
}

.ui-compliance strong {
  font-size: 12px;
  white-space: nowrap;
}

.layout-manage .ui-compliance-inner {
  max-width: none;
  padding-right: 20px;
  padding-left: 20px;
}

.ui-compliance-note,
.ui-compliance-account {
  color: var(--ui-compliance-muted);
}

.ui-compliance-account {
  flex: 0 0 auto;
  white-space: nowrap;
}

.ui-watermark {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  overflow: hidden;
  grid-auto-rows: 205px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: center;
  justify-items: center;
  pointer-events: none;
  -webkit-user-select: none;
  user-select: none;
}

.ui-watermark > span {
  display: block;
  color: var(--ui-watermark);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-align: center;
  white-space: nowrap;
  transform: rotate(-24deg);
}

.ui-watermark small {
  display: block;
  margin-top: 3px;
  color: var(--ui-watermark-small);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

@media (max-width: 760px) {
  .ui-compliance-inner {
    min-height: 32px;
    padding: 4px 12px;
  }
  /* R-06-133 三句话手机上也都显示（复核 F5）：第二句换到第二行，图标占两行高；放不下时第二句自己折行 */
  .ui-compliance-message {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    column-gap: 8px;
  }
  .ui-compliance-icon {
    grid-row: span 2;
  }
  .ui-compliance-note {
    line-height: 1.35;
  }
  .ui-watermark {
    grid-auto-rows: 170px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .ui-watermark > span {
    font-size: 13px;
  }
  .ui-watermark small {
    font-size: 8px;
  }
}

@media (max-width: 420px) {
  .ui-watermark {
    grid-auto-rows: 150px;
  }
  .ui-watermark > span {
    font-size: 12px;
  }
}

@media print {
  .ui-topbar,
  .ui-tabbar,
  .ui-sidenav,
  .ui-menu-button,
  .ui-bulk-bar {
    display: none !important;
  }
  .ui-shell {
    display: block;
  }
  .ui-compliance {
    border: 1px solid var(--ui-compliance-ink);
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  .ui-watermark > span {
    color: rgba(126, 44, 39, 0.13);
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}