/* L.Auth shared interface layer. Keep this file framework-free and behavior-neutral. */
:root {
  --ui-canvas: #f4f6f8;
  --ui-surface: #ffffff;
  --ui-surface-subtle: #f8fafc;
  --ui-surface-raised: #ffffff;
  --ui-text-strong: #111827;
  --ui-text: #374151;
  --ui-text-muted: #64748b;
  --ui-border: #e2e8f0;
  --ui-border-strong: #cbd5e1;
  --ui-primary: #2563eb;
  --ui-primary-hover: #1d4ed8;
  --ui-primary-soft: #eff6ff;
  --ui-success: #047857;
  --ui-success-soft: #ecfdf5;
  --ui-warning: #a16207;
  --ui-warning-soft: #fffbeb;
  --ui-danger: #b91c1c;
  --ui-danger-soft: #fef2f2;
  --ui-focus: rgba(37, 99, 235, .3);
  --ui-scrim: rgba(15, 23, 42, .52);
  --ui-shadow-1: 0 1px 2px rgba(17, 24, 39, .06);
  --ui-shadow-2: 0 16px 40px rgba(17, 24, 39, .16);
  --ui-radius-sm: 4px;
  --ui-radius: 8px;
  --ui-control-height: 38px;
  --ui-z-sticky: 10;
  --ui-z-sidebar: 20;
  --ui-z-modal: 50;
  --ui-z-toast: 60;

  /* Existing components keep their public variables while sharing one system. */
  --bg: var(--ui-canvas);
  --panel: var(--ui-surface);
  --ink: var(--ui-text-strong);
  --text: var(--ui-text);
  --muted: var(--ui-text-muted);
  --line: var(--ui-border);
  --line-soft: var(--ui-surface-subtle);
  --accent: var(--ui-primary);
  --accent-soft: var(--ui-primary-soft);
  --accent-hover: var(--ui-primary-hover);
  --blue: var(--ui-primary);
  --blue-soft: var(--ui-primary-soft);
  --blue-hover: var(--ui-primary-hover);
  --green: var(--ui-success);
  --red: var(--ui-danger);
  --success: var(--ui-success);
  --success-soft: var(--ui-success-soft);
  --warn: var(--ui-warning);
  --warn-soft: var(--ui-warning-soft);
  --danger: var(--ui-danger);
  --danger-soft: var(--ui-danger-soft);
  --radius: var(--ui-radius);
  --shadow: var(--ui-shadow-1);
}

html {
  min-width: 320px;
  color-scheme: light;
  scroll-padding-top: 76px;
}

body {
  min-width: 0;
  color: var(--ui-text-strong);
  background: var(--ui-canvas);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

button,
input,
select,
textarea {
  letter-spacing: 0;
}

button,
a,
input,
select,
textarea,
summary,
[tabindex] {
  -webkit-tap-highlight-color: transparent;
}

:where(button, a, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--ui-focus);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: -9999px;
  z-index: calc(var(--ui-z-toast) + 1);
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  border: 0;
  background: transparent;
  color: transparent;
  box-shadow: none;
  font-size: 1px;
  text-decoration: none;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  transform: none;
}

.skip-link:focus,
.skip-link:focus-visible {
  left: 8px;
  width: auto;
  height: auto;
  min-height: 40px;
  padding: 9px 14px;
  border: 1px solid var(--ui-primary);
  border-radius: var(--ui-radius);
  background: var(--ui-surface);
  color: var(--ui-primary-hover);
  box-shadow: var(--ui-shadow-2);
  font-size: 14px;
  clip-path: none;
  clip: auto;
  white-space: normal;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Commands and fields */
:where(.button, button:not(.nav-item):not(.crumb-link):not(.button-link)) {
  border-radius: var(--ui-radius);
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, opacity 160ms ease, box-shadow 160ms ease;
}

:where(.button, button):disabled {
  opacity: .58;
  cursor: not-allowed;
}

.button.primary {
  border-color: var(--ui-primary);
  background: var(--ui-primary);
}

.button.primary:hover {
  border-color: var(--ui-primary-hover);
  background: var(--ui-primary-hover);
}

.button.secondary,
.button-secondary {
  border-color: var(--ui-border-strong);
  background: var(--ui-surface);
  color: var(--ui-text);
}

.button.secondary:hover,
.button-secondary:hover {
  border-color: #93c5fd;
  background: var(--ui-primary-soft);
  color: var(--ui-primary-hover);
}

.button.danger,
.button-danger {
  border-color: var(--ui-danger);
  background: var(--ui-danger);
  color: #ffffff;
}

.icon-button {
  border-radius: var(--ui-radius);
}

:where(input, select, textarea) {
  border-color: var(--ui-border-strong);
  border-radius: var(--ui-radius);
  background: var(--ui-surface);
}

:where(input, select, textarea)[aria-invalid="true"] {
  border-color: var(--ui-danger) !important;
  background: var(--ui-danger-soft);
}

.ui-field-error {
  display: block;
  margin-top: 2px;
  color: var(--ui-danger);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.45;
}

/* App shell and navigation */
.sidebar {
  z-index: var(--ui-z-sidebar);
  border-color: var(--ui-border);
  background: var(--ui-surface);
}

.nav {
  gap: 2px;
}

.nav-group-label {
  color: var(--ui-text-muted);
  font-size: 12px;
  letter-spacing: 0;
}

.nav-item {
  min-height: 42px;
  border-radius: 6px;
  color: #475569;
}

.nav-item:hover {
  background: var(--ui-surface-subtle);
  color: var(--ui-text-strong);
}

.nav-item.active,
.nav-item[aria-current="page"] {
  background: var(--ui-primary-soft);
  color: var(--ui-primary-hover);
  box-shadow: inset 3px 0 0 var(--ui-primary);
  font-weight: 750;
}

.nav-ico,
.nav-item:hover .nav-ico {
  color: var(--ui-text-muted);
}

.nav-item.active .nav-ico,
.nav-item[aria-current="page"] .nav-ico {
  color: var(--ui-primary);
}

.topbar {
  z-index: var(--ui-z-sticky);
  border-color: var(--ui-border);
  background: rgba(255, 255, 255, .97);
  backdrop-filter: none;
}

.page-heading h1 {
  font-size: 24px;
  line-height: 1.3;
}

.page-heading p,
.page-head p,
.panel-head p,
.module-head p,
.muted,
.form-note {
  color: var(--ui-text-muted);
}

.page {
  grid-template-columns: minmax(0, 1fr);
}
.workspace-pane,
.workspace-section {
  min-width: 0;
}

/* One secondary-navigation language for workspaces and detail views. */
.workspace-subnav {
  position: sticky;
  z-index: calc(var(--ui-z-sticky) - 1);
  top: 76px;
  display: flex;
  align-items: stretch;
  gap: 4px;
  min-height: 44px;
  margin: 0 0 14px;
  padding: 4px;
  overflow-x: auto;
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius);
  background: rgba(255,255,255,.97);
  box-shadow: var(--ui-shadow-1);
  scrollbar-width: thin;
}
.workspace-subnav .workspace-tab {
  display: inline-flex;
  min-width: max-content;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--ui-text-muted);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}
.workspace-subnav .workspace-tab:hover,
.workspace-subnav .workspace-tab:focus-visible,
.workspace-subnav .workspace-tab[aria-current="location"],
.workspace-subnav .workspace-tab[aria-selected="true"] {
  background: var(--ui-primary-soft);
  color: var(--ui-primary-hover);
}
.workspace-subnav-rich {
  position: sticky;
  top: 76px;
  display: flex;
  overflow-x: auto;
}
.workspace-subnav-rich > .workspace-tab,
.workspace-subnav-rich > button {
  flex: 1 0 148px;
  min-height: 48px;
}
.account-center-settings-nav.workspace-subnav {
  display: flex;
  gap: 4px;
  padding: 4px;
  overflow-x: auto;
}
.account-center-settings-nav.workspace-subnav > button {
  display: inline-flex;
  grid-template-columns: none;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding: 8px 12px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  text-align: left;
}
.account-center-settings-nav.workspace-subnav > button:hover,
.account-center-settings-nav.workspace-subnav > button:focus-visible,
.account-center-settings-nav.workspace-subnav > button[aria-selected="true"] {
  background: var(--ui-primary-soft);
  color: var(--ui-primary-hover);
}
.segmented-tabs {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius);
  background: var(--ui-surface-subtle);
}
.workspace-section,
.detail-subnav {
  scroll-margin-top: 136px;
}
.detail-subnav {
  margin-bottom: 14px;
}

.filter-bar {
  background: var(--ui-surface-subtle);
}

.selection-bar[hidden] {
  display: none !important;
}
#accountSelectionBar {
  margin: 12px 12px 0;
}

/* Operational surfaces */
:where(.panel, .module, .filter-panel, .detail-card, .quick-actions, .health-card, .metric-card, .service-card, .overview, .authorization, .configured-ad) {
  border-color: var(--ui-border);
  border-radius: var(--ui-radius);
  box-shadow: var(--ui-shadow-1);
}

.filter-panel {
  background: var(--ui-surface-subtle);
}

.panel-head,
.module-head {
  border-color: var(--ui-border);
}

.health-card,
.metric-card {
  min-height: 82px;
}

.metric-card:hover {
  border-color: var(--ui-border-strong);
  background: var(--ui-surface-subtle);
}

/* Tables */
.table-wrap {
  max-width: 100%;
  border-radius: 0 0 var(--ui-radius) var(--ui-radius);
  scrollbar-color: var(--ui-border-strong) transparent;
}

.table-wrap[data-ui-overflow="true"] {
  position: relative;
}

.table-wrap th {
  color: var(--ui-text-muted);
  background: var(--ui-surface-subtle);
}

.table-wrap tbody tr:nth-child(even) td {
  background: #fcfdff;
}

.table-wrap tr:hover td {
  background: var(--ui-primary-soft);
}

.table-wrap td,
.table-wrap th {
  border-color: var(--ui-border);
}

.table-wrap :where(code, .mono) {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.pagination {
  border-top: 1px solid var(--ui-border);
  background: var(--ui-surface-subtle);
}

.pagination-page.active,
.pagination-page[aria-current="page"] {
  border-color: var(--ui-primary);
  background: var(--ui-primary-soft);
  color: var(--ui-primary-hover);
}

/* Status and feedback */
:where(.badge, .tag) {
  border: 1px solid transparent;
}

:where(.badge.active, .badge.published, .badge.success, .tag.active) {
  border-color: #a7f3d0;
  background: var(--ui-success-soft);
  color: var(--ui-success);
}

:where(.badge.maintenance, .badge.important, .badge.warning, .tag.warn) {
  border-color: #fde68a;
  background: var(--ui-warning-soft);
  color: var(--ui-warning);
}

:where(.badge.urgent, .badge.danger, .badge.failed, .badge.canceled, .tag.danger) {
  border-color: #fecaca;
  background: var(--ui-danger-soft);
  color: var(--ui-danger);
}

.notice:not(:empty),
.form-message:not(:empty) {
  padding: 10px 12px;
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius);
  background: var(--ui-surface-subtle);
}

.notice.success,
.form-message.ok {
  border-color: #a7f3d0;
  background: var(--ui-success-soft);
  color: var(--ui-success);
}

.notice.error,
.form-message.error {
  border-color: #fecaca;
  background: var(--ui-danger-soft);
  color: var(--ui-danger);
}

.toast-region,
.toast-stack {
  z-index: var(--ui-z-toast);
  top: 16px;
  right: 16px;
  bottom: auto;
  width: min(380px, calc(100vw - 24px));
}

.toast {
  position: relative;
  min-height: 48px;
  padding: 12px 44px 12px 14px;
  border-radius: var(--ui-radius);
  box-shadow: var(--ui-shadow-2);
}

.ui-toast-close {
  position: absolute;
  top: 6px;
  right: 6px;
  display: grid;
  place-items: center;
  width: 32px;
  min-height: 32px;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent !important;
  color: currentColor;
  font-size: 20px;
  line-height: 1;
}

.ui-toast-close:hover {
  background: rgba(15, 23, 42, .08) !important;
}

.skeleton-block {
  border-radius: var(--ui-radius);
}

/* Dialogs keep context and actions visible while long forms scroll. */
.modal-shell,
.account-modal-backdrop {
  z-index: var(--ui-z-modal);
}

.modal-mask,
.account-modal-backdrop {
  background: var(--ui-scrim);
}

.modal-card {
  display: flex;
  max-height: calc(100dvh - 32px);
  overflow: hidden;
  flex-direction: column;
  border-radius: var(--ui-radius);
  box-shadow: var(--ui-shadow-2);
}

.modal-card,
.modal-card > form {
  min-height: 0;
}
.modal-card {
  grid-template-rows: auto minmax(0, 1fr);
}

.modal-card > .modal-head {
  flex: none;
  border-bottom: 1px solid var(--ui-border);
  background: var(--ui-surface);
}

.modal-card > form {
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
}

.modal-body {
  min-height: 0;
  padding-top: 16px;
  overflow: auto;
  overscroll-behavior: contain;
}

.modal-foot {
  flex: none;
  background: var(--ui-surface-subtle);
}

.account-modal {
  display: flex;
  max-height: calc(100dvh - 32px);
  overflow: hidden;
  flex-direction: column;
  border-radius: var(--ui-radius);
  box-shadow: var(--ui-shadow-2);
}

.account-modal-media {
  flex: none;
}

.account-modal-copy {
  min-height: 0;
  overflow: auto;
  overscroll-behavior: contain;
}

.account-modal-actions {
  position: sticky;
  bottom: -22px;
  margin-right: -24px;
  margin-bottom: -22px;
  margin-left: -24px;
  padding: 16px 24px 22px;
  border-top: 1px solid var(--ui-border);
  background: var(--ui-surface);
}

/* Account center navigation follows the same scanning rhythm as the console. */
.account-section-nav,
.account-center-settings-nav,
.email-tabs,
[role="tablist"] {
  scrollbar-color: var(--ui-border-strong) transparent;
}

.account-section-nav a,
[role="tab"] {
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.account-section-nav a.active,
[role="tab"][aria-selected="true"] {
  color: var(--ui-primary-hover);
}

@media (max-width: 1024px) {
  .page-wrap {
    padding-right: 20px;
    padding-left: 20px;
  }

  .filter-panel,
  .filter-panel.compact,
  .account-filter-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .filter-panel .field.grow,
  .filter-action,
  .toolbar-actions {
    grid-column: 1 / -1;
  }
}

@media (max-width: 720px) {
  :root {
    --ui-control-height: 44px;
  }

  html {
    scroll-padding-top: 64px;
  }

  .button,
  .icon-button,
  .nav-item,
  .pagination button,
  button:not(.button-link),
  input,
  select {
    min-height: 44px;
  }

  .toolbar-actions .button,
  .filter-action .button {
    min-height: 44px !important;
  }

  .icon-button,
  .account-modal-close {
    width: 44px;
    height: 44px;
  }

  .button.small,
  .pagination-page {
    min-height: 44px;
  }

  .check-field {
    min-height: 44px;
  }

  .check-field input,
  .table-wrap input[type="checkbox"] {
    width: 20px;
    height: 20px;
  }

  .page-wrap {
    padding: 16px 12px 32px;
  }

  /* QA and standalone workspace pages must remain a full-width single column. */
  .workspace > .page-wrap,
  main.workspace > .page-wrap {
    width: 100%;
    max-width: none;
  }

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

  .page-heading h1 {
    font-size: 22px;
  }

  .filter-panel,
  .filter-panel.compact,
  .account-filter-panel {
    grid-template-columns: 1fr;
    padding: 14px;
  }

  .filter-panel .field.grow,
  .filter-action,
  .toolbar-actions {
    grid-column: auto;
  }

  .toolbar-actions,
  .filter-action,
  .row-actions {
    width: 100%;
  }

  .toolbar-actions .button,
  .filter-action .button {
    flex: 1;
  }

  .modal-shell,
  .account-modal-backdrop {
    align-items: end;
    padding: 8px;
  }

  .modal-card,
  .modal-card.wide,
  .account-modal {
    width: 100%;
    max-height: calc(100dvh - 16px);
  }

  .modal-head,
  .modal-foot {
    padding: 14px;
  }

  .modal-body {
    padding: 14px;
  }

  .modal-foot,
  .account-modal-actions {
    align-items: stretch;
    flex-direction: column-reverse;
  }

  .modal-foot .button,
  .account-modal-actions button {
    width: 100%;
  }

  .account-modal-actions {
    bottom: -22px;
  }

  .toast-region,
  .toast-stack {
    top: 8px;
    right: 8px;
    width: calc(100vw - 16px);
  }

  .account-section-nav,
  .workspace-subnav,
  .account-center-settings-nav,
  .email-tabs,
  [role="tablist"] {
    scroll-snap-type: x proximity;
    scrollbar-width: thin;
  }

  .account-section-nav > *,
  .workspace-subnav > *,
  .account-center-settings-nav > *,
  .email-tabs > *,
  [role="tablist"] > * {
    scroll-snap-align: start;
  }

  .workspace-subnav,
  .workspace-subnav-rich,
  .account-center-settings-nav.workspace-subnav {
    top: 64px;
    margin-right: -12px;
    margin-left: -12px;
    padding-right: 12px;
    padding-left: 12px;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
  }

  .workspace-subnav .workspace-tab {
    min-height: 44px;
  }

  .detail-subnav {
    top: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

@media (forced-colors: active) {
  :where(.panel, .module, .filter-panel, .detail-card, .quick-actions, .health-card, .metric-card, .service-card, .toast, .modal-card, .account-modal) {
    border: 1px solid CanvasText;
  }

  .nav-item.active,
  .nav-item[aria-current="page"],
  [role="tab"][aria-selected="true"] {
    outline: 2px solid Highlight;
    outline-offset: -2px;
  }
}