@media screen {
:root {
  --app-bg: var(--theme-color-background-canvas, Canvas);
  --app-surface: var(--theme-color-background-surface, Canvas);
  --app-surface-muted: var(--theme-color-background-muted, Canvas);
  --app-border: var(--theme-color-border-default, currentColor);
  --app-text: var(--theme-color-text-primary, CanvasText);
  --app-text-muted: var(--theme-color-text-secondary, CanvasText);
  --app-radius-sm: 6px;
  --app-radius-md: 10px;
  --app-radius-lg: 14px;
  --app-gap-xs: 4px;
  --app-gap-sm: 8px;
  --app-gap-md: 12px;
  --app-gap-lg: 20px;
  --app-header-height: 56px;
  --app-tab-height: 44px;
  --text-primary: var(--theme-color-text-primary, CanvasText);
  --text-secondary: var(--theme-color-text-secondary, CanvasText);
  --surface: var(--app-surface);
  --surface-muted: var(--theme-color-background-muted, Canvas);
  --accent: var(--theme-color-action-primary, Highlight);
  --accent-strong: var(--theme-color-action-primary-hover, Highlight);
  --border: var(--theme-color-border-default, currentColor);
  --bg: var(--theme-color-background-canvas, Canvas);
  --panel: var(--surface);
  --panel-border: var(--border);
  --text: var(--text-primary);
  --muted: var(--text-secondary);
  --primary: var(--accent);
  --primary-dark: var(--accent-strong);
  --danger: var(--theme-color-action-destructive, Mark);
  --danger-soft: var(--theme-color-status-error-surface, Canvas);
  --success: var(--theme-color-status-success, Highlight);
  --warning: var(--theme-color-status-warning, Highlight);
  --header-text: var(--theme-color-text-inverse, HighlightText);
  --header-muted: var(--theme-color-text-inverse-muted, HighlightText);
  --platform-ui-legacy-header-effect: var(--theme-effect-gradient-header, none);
  --shadow: var(--theme-effect-shadow-elevated, none);
  --focus: var(--theme-effect-glow-focus, none);
  --radius: 18px;
}

/* Service UI & Theme Completion v2. Shared screen primitives and semantic appearance bridge. */
@media screen {
  body.platform-ui-host {
    background-color: var(--platform-ui-canvas);
    background-image: var(--theme-asset-background-pattern, none);
    color: var(--platform-ui-text);
  }

  .platform-ui-ready [data-platform-ui="legacy-actions"] { display: none !important; }

  .platform-ui-header {
    background-color: var(--platform-ui-action);
    background-image: var(--theme-asset-app-selector-decoration, none), var(--platform-ui-header-effect);
    background-position: right center, center;
    background-repeat: no-repeat;
    background-size: auto 100%, cover;
  }

  .platform-ui-service-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    margin-inline-start: auto;
  }

  .platform-ui-button.is-header {
    border-color: var(--theme-color-overlay-highlight, var(--platform-ui-text-inverse-muted));
    background: var(--theme-color-overlay-highlight, transparent);
    color: var(--platform-ui-text-inverse);
  }

  .platform-ui-button.is-header:hover,
  .platform-ui-button.is-header:focus-visible {
    border-color: var(--platform-ui-text-inverse);
    background: var(--theme-color-overlay-highlight, transparent);
  }

  .platform-ui-header-status {
    min-height: 32px;
    padding: 7px 10px;
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--theme-color-overlay-highlight, var(--platform-ui-text-inverse-muted));
    border-radius: 999px;
    color: var(--platform-ui-text-inverse-muted);
    font-size: 12px;
    font-weight: 800;
    white-space: nowrap;
  }

  .platform-ui-popover {
    position: fixed;
    z-index: var(--platform-ui-layer-popover);
    min-width: 220px;
    max-width: min(360px, calc(100vw - 16px));
    overflow: hidden;
    border: 1px solid var(--platform-ui-border);
    border-radius: 16px;
    background: var(--platform-ui-surface-elevated);
    color: var(--platform-ui-text);
    box-shadow: var(--platform-ui-shadow);
  }

  .platform-ui-user-menu { display: grid; padding: 8px; }
  .platform-ui-user-menu-heading { display: grid; gap: 2px; padding: 9px 10px 12px; border-bottom: 1px solid var(--platform-ui-border); }
  .platform-ui-user-menu-heading span { color: var(--platform-ui-text-muted); font-size: 12px; }
  .platform-ui-user-menu-item {
    min-height: 40px;
    border: 0;
    border-radius: 10px;
    padding: 9px 10px;
    background: transparent;
    color: var(--platform-ui-text);
    text-align: start;
    font: inherit;
    font-weight: 700;
  }
  .platform-ui-user-menu-item:hover,
  .platform-ui-user-menu-item:focus-visible { outline: none; background: var(--platform-ui-surface-muted); box-shadow: var(--platform-ui-focus); }
  .platform-ui-user-menu-item.is-danger { color: var(--platform-ui-danger); }

  .platform-ui-theme-selector { display: grid; gap: 14px; }
  .platform-ui-theme-field { display: grid; gap: 6px; font-weight: 800; }
  .platform-ui-theme-field .platform-ui-field { min-height: 42px; border-radius: 10px; padding: 8px 10px; }
  .platform-ui-theme-preview { width: 100%; height: 300px; border: 1px solid var(--platform-ui-border); border-radius: 16px; background: var(--platform-ui-canvas); }
  .platform-ui-theme-details,
  .platform-ui-theme-warning { margin: 0; color: var(--platform-ui-text-muted); }
  .platform-ui-theme-warning { padding: 10px 12px; border-radius: 10px; background: var(--platform-ui-info-surface); color: var(--platform-ui-info); }
  .platform-ui-theme-feedback { padding: 10px 12px; border: 1px solid var(--platform-ui-error); border-radius: 10px; background: var(--platform-ui-error-surface); color: var(--platform-ui-error); }
  .platform-ui-theme-selector > .platform-ui-dialog-actions { padding: 0; }

  .platform-ui-loading { display: grid; justify-items: center; gap: 10px; padding: 16px; text-align: center; }
  .platform-ui-loading p { margin: 0; color: var(--platform-ui-text-muted); }

  .platform-ui-page-header,
  [data-platform-ui="shell"] :where(.workspace-header, .view-title, .panel-title, .panel-title-row) {
    color: var(--platform-ui-text);
  }

  .platform-ui-page-header p,
  [data-platform-ui="shell"] :where(.workspace-header, .view-title, .panel-title, .panel-title-row) p {
    color: var(--platform-ui-text-muted);
  }

  .platform-ui-toolbar,
  [data-platform-ui="shell"] :where(.toolbar, .actions, .form-actions, .modal-actions) {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
  }

  .platform-ui-form-field { display: grid; gap: 6px; }
  .platform-ui-form-field > :where(small, p) { color: var(--platform-ui-text-muted); }
  .platform-ui-status-badge { border-color: var(--platform-ui-border); background: var(--platform-ui-surface-muted); color: var(--platform-ui-text); }
  .platform-ui-table-shell { overflow-x: auto; border: 1px solid var(--platform-ui-border); border-radius: 14px; background: var(--platform-ui-surface); }

  [data-platform-ui="shell"] :where(.panel, .option-card, .card, .home-card, .workflow-grid article, .stat-grid article, .run-panel, .modal-card) {
    border-color: var(--platform-ui-border);
    background-color: var(--platform-ui-surface);
    color: var(--platform-ui-text);
    box-shadow: var(--platform-ui-shadow);
  }

  [data-platform-ui="shell"] :where(input, select, textarea) {
    border-color: var(--platform-ui-border);
    background-color: var(--platform-ui-surface);
    color: var(--platform-ui-text);
  }

  [data-platform-ui="shell"] :where(input, select, textarea):focus-visible {
    outline: none;
    border-color: var(--platform-ui-border-focus);
    box-shadow: var(--platform-ui-focus);
  }

  [data-platform-ui="shell"] :where(table, .data-table) { color: var(--platform-ui-text); }
  [data-platform-ui="shell"] :where(th, .table-head) { background-color: var(--platform-ui-surface-muted); color: var(--platform-ui-text-muted); }
  [data-platform-ui="shell"] :where(td, th) { border-color: var(--platform-ui-border); }

  [data-platform-ui="shell"] .platform-ui-nav {
    display: flex;
    align-items: stretch;
    gap: 6px;
    padding: 10px 18px 0;
    border-bottom: 1px solid var(--platform-ui-border);
    background: var(--platform-ui-surface);
  }

  [data-platform-ui="shell"] .platform-ui-nav > :where(a, button) {
    min-height: 42px;
    flex: 0 0 auto;
    border: 0;
    border-bottom: 3px solid transparent;
    border-radius: 0;
    background: transparent;
    color: var(--platform-ui-text-muted);
    white-space: nowrap;
  }

  [data-platform-ui="shell"] .platform-ui-nav > :where(a, button).active,
  [data-platform-ui="shell"] .platform-ui-nav > :where(a, button)[aria-current="page"] {
    border-bottom-color: var(--platform-ui-action);
    color: var(--platform-ui-action);
  }

  .claim-app .layout { display: block; }
  .claim-app .layout > main { min-width: 0; }

  @media (max-width: 760px) {
    .platform-ui-service-actions { width: 100%; justify-content: stretch; }
    .platform-ui-service-actions > .platform-ui-button,
    .platform-ui-service-actions > .platform-ui-user-menu-root { flex: 1 1 auto; }
    .platform-ui-user-menu-trigger { width: 100%; }
    .platform-ui-header-status { display: none; }
    .platform-ui-theme-preview { height: 260px; }
    [data-platform-ui="shell"] .platform-ui-nav { padding-inline: 12px; }
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
}
body.app-selector-open { overflow: hidden; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .55; }
.hidden { display: none !important; }

.app-shell { min-height: 100vh; }
.topbar {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 28px;
  background: var(--platform-ui-legacy-header-effect);
  color: var(--header-text);
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--theme-color-overlay-highlight, transparent);
  border: 1px solid var(--theme-color-overlay-highlight, currentColor);
  font-weight: 800;
}
.brand h1 { margin: 0; font-size: 22px; letter-spacing: 0; }
.brand p { margin: 5px 0 0; color: var(--header-muted); font-size: 13px; }

.top-actions { display: flex; align-items: center; justify-content: flex-end; gap: 12px; flex-wrap: wrap; }
.session-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--theme-color-overlay-highlight, transparent);
  border: 1px solid var(--theme-color-overlay-highlight, currentColor);
  color: var(--header-text);
}
.session-chip span { font-size: 12px; color: var(--header-muted); }
.session-chip strong { color: var(--header-text); }
.session-buttons { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.top-action-btn {
  border: 1px solid var(--theme-color-overlay-highlight, currentColor);
  background: var(--theme-color-overlay-highlight, transparent);
  color: var(--header-text);
  padding: 8px 10px;
  border-radius: 10px;
  font-weight: 800;
}
.top-action-btn:hover { background: var(--theme-color-overlay-highlight, transparent); }
.top-action-btn.danger { background: var(--theme-color-status-error-surface, transparent); border-color: var(--theme-color-status-error, currentColor); }

.app-switcher { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.app-chip {
  border: 1px solid var(--theme-color-overlay-highlight, currentColor);
  background: var(--theme-color-overlay-highlight, transparent);
  color: var(--header-text);
  padding: 10px 14px;
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
}
.app-chip.active { background: var(--surface); color: var(--accent); font-weight: 700; }

.main-tabs {
  display: flex;
  gap: 8px;
  padding: 12px 28px 0;
  background: var(--surface);
  border-bottom: 1px solid var(--panel-border);
  position: sticky;
  top: 0;
  z-index: 10;
  overflow-x: auto;
}
.main-tab {
  min-height: var(--app-tab-height);
  border: 0;
  background: transparent;
  padding: 14px 18px;
  color: var(--muted);
  border-bottom: 3px solid transparent;
  border-radius: 0;
  font-weight: 700;
  white-space: nowrap;
}
.main-tab.active { color: var(--primary); border-color: var(--primary); }

.workspace {
  padding: 24px 28px 44px;
  min-width: 0;
  max-width: 100%;
  overflow-x: clip;
}
.view { display: none; }
.view.active { display: block; }
.workspace-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 18px;
}
.workspace-header h2 { margin: 0 0 6px; font-size: 24px; letter-spacing: 0; }
.workspace-header p { margin: 0; color: var(--muted); font-size: 14px; }
.toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }

.btn, .split-output button {
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 10px 13px;
  background: var(--theme-color-status-info-surface, var(--surface-muted));
  color: var(--theme-color-status-info, var(--accent));
  font-weight: 700;
}
.btn.primary { background: var(--primary); color: var(--header-text); }
.btn.primary:hover { background: var(--primary-dark); }
.btn.secondary { border-color: var(--theme-color-border-strong, var(--border)); background: var(--surface); color: var(--text); }
.btn.danger { color: var(--header-text); background: var(--danger); }
.btn.danger.subtle { color: var(--danger); background: var(--theme-color-status-error-surface, var(--surface-muted)); border-color: var(--theme-color-status-error, var(--danger)); }
.btn.small { padding: 7px 10px; font-size: 13px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.panel-title-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}
.panel-title-row h3 { margin: 0 0 5px; }
.panel-title-row p { margin: 0; color: var(--muted); font-size: 13px; }

.table-scroll { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td {
  border-bottom: 1px solid var(--border);
  padding: 10px;
  text-align: left;
  vertical-align: middle;
}
.data-table th { color: var(--muted); font-size: 13px; background: var(--surface-muted); }

.app-selector-overlay {
  position: fixed;
  inset: 0;
  z-index: 260;
  display: grid;
  place-items: center;
  padding: 18px;
  background: var(--theme-color-overlay-backdrop, transparent);
  backdrop-filter: blur(4px);
}
.app-selector-modal {
  width: min(640px, 100%);
  max-width: calc(100vw - 32px);
  max-height: calc(100vh - 32px);
  overflow: auto;
  border-radius: 18px;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
  padding: 22px;
}
.app-selector-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}
.app-selector-header h2 { margin: 0; font-size: 22px; }
.app-selector-header p { margin: 5px 0 0; color: var(--muted); }
.app-selector-header .top-action-btn {
  border-color: var(--border);
  background: var(--surface-muted);
  color: var(--text);
}
.app-selector-list { display: grid; gap: 10px; }
.app-selector-card {
  display: grid;
  gap: 5px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-muted);
  color: var(--text);
  text-decoration: none;
}
.app-selector-card:hover,
.app-selector-card:focus {
  border-color: var(--primary);
  outline: none;
}
.app-selector-card.active {
  border-color: var(--primary);
  background: var(--theme-color-status-info-surface, var(--surface-muted));
}
.app-selector-card span { color: var(--muted); font-size: 13px; }
.app-selector-card em {
  justify-self: flex-start;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--header-text);
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
}

.notice {
  border-radius: 14px;
  padding: 12px 14px;
  margin: 10px 0 14px;
  line-height: 1.5;
}
.notice.error { background: var(--theme-color-status-error-surface, var(--surface-muted)); color: var(--theme-color-status-error, var(--danger)); border: 1px solid var(--theme-color-status-error, var(--danger)); }
.notice.success { background: var(--theme-color-status-success-surface, var(--surface-muted)); color: var(--theme-color-status-success, var(--success)); border: 1px solid var(--theme-color-status-success, var(--success)); }
.notice.info { background: var(--theme-color-status-info-surface, var(--surface-muted)); color: var(--theme-color-status-info, var(--accent)); border: 1px solid var(--theme-color-status-info, var(--accent)); }
.notice.warning { background: var(--theme-color-status-warning-surface, var(--surface-muted)); color: var(--theme-color-status-warning, var(--warning)); border: 1px solid var(--theme-color-status-warning, var(--warning)); }

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  max-width: 420px;
  padding: 14px 16px;
  background: var(--text);
  color: var(--surface);
  border-radius: 14px;
  box-shadow: var(--shadow);
  z-index: 1000;
}

@media (max-width: 760px) {
  .topbar,
  .workspace-header,
  .panel-title-row,
  .app-selector-header {
    flex-direction: column;
    align-items: stretch;
  }
  .top-actions { justify-content: flex-start; width: 100%; }
  .workspace { padding: 18px 12px 32px; }
  .main-tabs { padding: 10px 12px 0; }
  .toolbar,
  .session-buttons {
    justify-content: stretch;
  }
  .btn,
  .top-action-btn {
    width: 100%;
    justify-content: center;
  }
  .app-switcher { width: 100%; justify-content: flex-start; }
}

/* UI Consistency v2. Opt-in screen rules only; output and print paths are excluded. */
@media screen {
  [data-platform-ui="shell"],
  .platform-ui-host {
    --platform-ui-text: var(--theme-color-text-primary, var(--text-primary));
    --platform-ui-text-muted: var(--theme-color-text-secondary, var(--text-secondary));
    --platform-ui-text-inverse: var(--theme-color-text-inverse, var(--header-text));
    --platform-ui-text-inverse-muted: var(--theme-color-text-inverse-muted, var(--header-muted));
    --platform-ui-canvas: var(--theme-color-background-canvas, var(--bg));
    --platform-ui-surface: var(--theme-color-background-surface, var(--surface));
    --platform-ui-surface-elevated: var(--theme-color-background-elevated, var(--surface));
    --platform-ui-surface-muted: var(--theme-color-background-muted, var(--surface-muted));
    --platform-ui-border: var(--theme-color-border-default, var(--border));
    --platform-ui-border-focus: var(--theme-color-border-focus, var(--accent));
    --platform-ui-action: var(--theme-color-action-primary, var(--accent));
    --platform-ui-action-hover: var(--theme-color-action-primary-hover, var(--accent-strong));
    --platform-ui-danger: var(--theme-color-action-destructive, var(--danger));
    --platform-ui-danger-surface: var(--theme-color-status-error-surface, var(--danger-soft));
    --platform-ui-error: var(--theme-color-status-error, var(--danger));
    --platform-ui-error-surface: var(--theme-color-status-error-surface, var(--danger-soft));
    --platform-ui-info: var(--theme-color-status-info, var(--accent));
    --platform-ui-info-surface: var(--theme-color-status-info-surface, var(--surface-muted));
    --platform-ui-backdrop: var(--theme-color-overlay-backdrop, var(--text-primary));
    --platform-ui-header-effect: var(--theme-effect-gradient-header, var(--platform-ui-legacy-header-effect));
    --platform-ui-shadow: var(--theme-effect-shadow-elevated, var(--shadow));
    --platform-ui-focus: var(--theme-effect-glow-focus, var(--focus));
    --text-primary: var(--theme-color-text-primary);
    --text: var(--theme-color-text-primary);
    --ink: var(--theme-color-text-primary);
    --text-secondary: var(--theme-color-text-secondary);
    --muted: var(--theme-color-text-secondary);
    --bg: var(--theme-color-background-canvas);
    --surface: var(--theme-color-background-surface);
    --panel: var(--theme-color-background-surface);
    --surface-muted: var(--theme-color-background-muted);
    --soft: var(--theme-color-background-muted);
    --border: var(--theme-color-border-default);
    --line: var(--theme-color-border-default);
    --accent: var(--theme-color-action-primary);
    --primary: var(--theme-color-action-primary);
    --brand: var(--theme-color-action-primary);
    --accent-strong: var(--theme-color-action-primary-hover);
    --primary-dark: var(--theme-color-action-primary-hover);
    --brand-dark: var(--theme-color-action-primary-hover);
    --danger: var(--theme-color-action-destructive);
    --danger-soft: var(--theme-color-status-error-surface);
    --warning: var(--theme-color-status-warning);
    --success: var(--theme-color-status-success);
    --header-text: var(--theme-color-text-inverse);
    --header-muted: var(--theme-color-text-inverse-muted);
    --shadow: var(--theme-effect-shadow-elevated);
    --platform-ui-layer-header: 100;
    --platform-ui-layer-nav: 110;
    --platform-ui-layer-popover: 400;
    --platform-ui-layer-dialog: 2200;
    --platform-ui-layer-toast: 2100;
    color: var(--platform-ui-text);
    background-color: var(--platform-ui-canvas);
  }

  .platform-ui-header {
    min-height: 86px;
    padding: 18px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    background: var(--platform-ui-header-effect);
    color: var(--platform-ui-text-inverse);
    position: relative;
    z-index: var(--platform-ui-layer-header);
  }

  .platform-ui-header p { color: var(--platform-ui-text-inverse-muted); }

  .platform-ui-header-context,
  .platform-ui-header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    flex-wrap: wrap;
  }

  .platform-ui-header-actions { margin-top: 0; }

  .platform-ui-nav {
    position: sticky;
    top: 0;
    z-index: var(--platform-ui-layer-nav);
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: thin;
    background-color: var(--platform-ui-surface);
    border-color: var(--platform-ui-border);
    color: var(--platform-ui-text-muted);
  }

  .platform-ui-shell .panel {
    background-color: var(--platform-ui-surface);
    border-color: var(--platform-ui-border);
    color: var(--platform-ui-text);
  }

  .platform-ui-app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 12px;
  }

  .platform-ui-app-card {
    min-width: 0;
    border: 1px solid var(--platform-ui-border);
    border-radius: 16px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: var(--platform-ui-surface);
    color: var(--platform-ui-text);
    text-decoration: none;
  }

  .platform-ui-app-card:hover,
  .platform-ui-app-card:focus-visible,
  .platform-ui-app-card.is-current {
    border-color: var(--platform-ui-border-focus);
    box-shadow: var(--platform-ui-focus);
  }

  .platform-ui-app-card strong { color: var(--platform-ui-text); }
  .platform-ui-app-card span { color: var(--platform-ui-text-muted); font-size: 13px; }
  .platform-ui-app-card em { color: var(--platform-ui-action); font-style: normal; font-weight: 900; }

  .platform-ui-overlays {
    position: relative;
    z-index: var(--platform-ui-layer-dialog, 800);
  }

  .platform-ui-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--platform-ui-layer-dialog, 800);
    display: flex;
    align-items: center;
    justify-content: center;
    padding:
      max(12px, env(safe-area-inset-top))
      max(12px, env(safe-area-inset-right))
      max(12px, env(safe-area-inset-bottom))
      max(12px, env(safe-area-inset-left));
    background: var(--platform-ui-backdrop);
  }

  .platform-ui-dialog {
    width: min(760px, 100%);
    max-height: min(760px, calc(100vh - 40px));
    overflow: auto;
    border: 1px solid var(--platform-ui-border);
    border-radius: 22px;
    background: var(--platform-ui-surface-elevated);
    color: var(--platform-ui-text);
    box-shadow: var(--platform-ui-shadow);
  }

  .platform-ui-dialog.is-secret {
    width: clamp(700px, 72vw, 840px);
    max-height: min(760px, calc(100vh - 40px));
    max-height: min(760px, calc(100dvh - 40px));
  }

  .platform-ui-dialog.is-secret-warning { width: min(500px, 100%); }
  .platform-ui-dialog.is-pin-management {
    width: min(440px, 100%);
    max-height: min(760px, calc(100dvh - 40px));
  }
  .platform-ui-dialog.is-pin-management .platform-ui-dialog-header .platform-ui-button {
    min-width: 72px;
    white-space: nowrap;
  }

  .platform-ui-dialog-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 20px 14px;
    border-bottom: 1px solid var(--platform-ui-border);
  }

  .platform-ui-dialog-header h2 { margin: 0; font-size: 22px; }
  .platform-ui-dialog-header p { margin: 5px 0 0; color: var(--platform-ui-text-muted); }
  .platform-ui-dialog-content { padding: 20px; }
  .platform-ui-dialog-actions { display: flex; justify-content: flex-end; gap: 8px; padding: 0 20px 20px; }
  .platform-ui-modal-form { display: grid; gap: 14px; }
  .platform-ui-modal-field { display: grid; gap: 6px; font-weight: 700; }
  .platform-ui-modal-field[hidden] { display: none; }
  .platform-ui-modal-error { margin: 0; color: var(--platform-ui-error); font-weight: 700; }
  .platform-ui-secret { display: grid; gap: 16px; }
  .platform-ui-secret-notice { margin: 0; color: var(--platform-ui-text-muted); }
  .platform-ui-secret-list,
  .platform-ui-secret-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-flow: row;
    grid-auto-rows: minmax(46px, auto);
    gap: 10px 12px;
    max-height: none;
    overflow: visible;
  }
  .platform-ui-secret-card {
    min-width: 0;
    min-height: 46px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 56px;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border: 1px solid var(--platform-ui-border);
    border-radius: 10px;
    background: var(--platform-ui-surface);
  }
  .platform-ui-secret-code {
    min-width: 0;
    font: 700 clamp(12px, 1.2vw, 15px)/1.35 ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
    overflow-wrap: anywhere;
  }
  .platform-ui-secret-copy {
    width: 56px;
    min-width: 56px;
    min-height: 40px;
    padding: 0;
  }
  .platform-ui-secret-copy-icon { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
  .platform-ui-secret-copy-status { font-size: 11px; line-height: 1; white-space: nowrap; }
  .platform-ui-secret-tools { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; }
  .platform-ui-secret-tools .platform-ui-button { width: auto; }
  .platform-ui-secret-confirmation {
    min-height: 52px;
    margin: 0;
    padding: 12px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border: 1px solid var(--platform-ui-border);
    border-radius: 12px;
    background: var(--platform-ui-surface-muted);
    font-weight: 700;
    cursor: pointer;
  }
  .platform-ui-secret-checkbox { width: 24px; height: 24px; min-width: 24px; margin: 0; accent-color: var(--platform-ui-action); }
  .platform-ui-dialog.is-secret .platform-ui-dialog-actions { flex-direction: row; justify-content: center; flex-wrap: nowrap; }
  .platform-ui-dialog.is-secret [data-platform-ui-action="secret-discard"] { min-width: 170px; }
  .platform-ui-dialog.is-secret [data-platform-ui-action="secret-complete"] { min-width: 96px; }
  .platform-ui-dialog.is-secret-warning .platform-ui-dialog-actions { justify-content: center; }

  .platform-ui-button {
    min-height: 38px;
    border: 1px solid var(--platform-ui-border);
    border-radius: 12px;
    padding: 9px 13px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
  }

  .platform-ui-button.is-primary { border-color: var(--platform-ui-action); background: var(--platform-ui-action); color: var(--platform-ui-text-inverse); }
  .platform-ui-button.is-primary:hover { border-color: var(--platform-ui-action-hover); background: var(--platform-ui-action-hover); }
  .platform-ui-button.is-secondary { background: var(--platform-ui-surface); color: var(--platform-ui-text); }
  .platform-ui-button.is-danger { border-color: var(--platform-ui-danger); background: var(--platform-ui-danger-surface); color: var(--platform-ui-danger); }
  .platform-ui-button:focus-visible { outline: none; box-shadow: var(--platform-ui-focus); }
  .platform-ui-button:disabled,
  .platform-ui-button.is-busy,
  .platform-ui-dialog[aria-busy="true"] .platform-ui-button { cursor: wait; opacity: .72; }

  .platform-ui-field {
    border: 1px solid var(--platform-ui-border);
    background: var(--platform-ui-surface);
    color: var(--platform-ui-text);
  }

  .platform-ui-field:focus-visible { outline: none; border-color: var(--platform-ui-border-focus); box-shadow: var(--platform-ui-focus); }
  .platform-ui-field[aria-invalid="true"] { border-color: var(--platform-ui-error); }
  .platform-ui-field:disabled { cursor: not-allowed; color: var(--theme-color-text-disabled, var(--platform-ui-text-muted)); }

  .platform-ui-table { background: var(--platform-ui-surface); color: var(--platform-ui-text); }
  .platform-ui-table th { background: var(--platform-ui-surface-muted); color: var(--platform-ui-text-muted); }
  .platform-ui-table th,
  .platform-ui-table td { border-color: var(--platform-ui-border); }

  .platform-ui-app-card[aria-disabled="true"] {
    cursor: not-allowed;
    color: var(--theme-color-text-disabled, var(--platform-ui-text-muted));
    border-color: var(--theme-color-border-disabled, var(--platform-ui-border));
  }

  .platform-ui-toast {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: var(--platform-ui-layer-toast, 900);
    max-width: min(420px, calc(100vw - 32px));
    border-radius: 14px;
    padding: 14px 16px;
    background: var(--platform-ui-text);
    color: var(--platform-ui-surface);
    box-shadow: var(--platform-ui-shadow);
    font-weight: 800;
  }

  .platform-ui-toast[data-tone="error"] { background: var(--platform-ui-error); color: var(--platform-ui-surface); }

  @media (max-width: 640px) {
    .platform-ui-toast {
      left: 12px;
      right: 12px;
      bottom: max(12px, env(safe-area-inset-bottom));
      max-width: none;
    }
  }

  .platform-ui-status {
    min-height: 132px;
    border: 1px dashed var(--platform-ui-border);
    border-radius: 16px;
    padding: 22px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-align: center;
    background: var(--platform-ui-surface-muted);
    color: var(--platform-ui-text);
  }

  .platform-ui-status.is-error { border-style: solid; border-color: var(--platform-ui-error); background: var(--platform-ui-error-surface); }
  .platform-ui-status p { margin: 0; color: var(--platform-ui-text-muted); }
  .platform-ui-spinner { width: 28px; height: 28px; border: 3px solid var(--platform-ui-border); border-top-color: var(--platform-ui-action); border-radius: 50%; animation: platform-ui-spin 1s linear infinite; }
  @keyframes platform-ui-spin { to { transform: rotate(360deg); } }

  body.platform-ui-overlay-open { overflow: hidden; }

  @media (max-width: 760px) {
    .platform-ui-header { padding: 16px 14px; flex-direction: column; align-items: stretch; }
    .platform-ui-header-context,
    .platform-ui-header-actions { width: 100%; justify-content: stretch; }
    .platform-ui-header-context { align-items: stretch; flex-direction: column; }
    .platform-ui-dialog-header { align-items: stretch; flex-direction: column; }
    .platform-ui-dialog-header .platform-ui-button { width: 100%; }
    .platform-ui-app-grid { grid-template-columns: 1fr; }
    .platform-ui-dialog-actions { flex-direction: column-reverse; }
    .platform-ui-dialog-actions .platform-ui-button { width: 100%; }
  }

  @media (prefers-reduced-motion: reduce) {
    .platform-ui-spinner { animation: none; }
  }
}

@media screen {
  .platform-ui-header {
    background-color: var(--platform-ui-action);
    background-image: var(--theme-asset-app-selector-decoration, none), var(--platform-ui-header-effect);
    background-position: right center, center;
    background-repeat: no-repeat;
    background-size: auto 100%, cover;
  }

  .platform-ui-header {
    box-sizing: border-box;
    height: 86px;
    min-height: 86px;
    max-height: 86px;
    overflow: hidden;
    padding: 12px 20px;
  }

  .platform-ui-header > * { min-width: 0; }
  .platform-ui-header :where(.brand, .platform-ui-header-context, .platform-ui-header-actions) { min-width: 0; }
  .platform-ui-header :where(h1, p, small, .platform-ui-header-status) { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

  [data-platform-ui="shell"] .platform-ui-nav {
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    height: 56px;
    min-height: 56px;
    max-height: 56px;
    padding: 6px 18px 0;
    margin: 0;
    align-items: stretch;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
  }

  [data-platform-ui="shell"] .platform-ui-nav > :where(a, button, span) {
    box-sizing: border-box;
    width: auto;
    min-height: 49px;
    flex: 0 0 auto;
    padding: 10px 14px;
    margin: 0;
    display: inline-flex;
    align-items: center;
    border: 0;
    border-bottom: 3px solid transparent;
    border-radius: 0;
    background: transparent;
    color: var(--platform-ui-text-muted);
    font: inherit;
    font-weight: 800;
    white-space: nowrap;
  }

  [data-platform-ui="shell"] .platform-ui-nav > :where(a, button, span).active,
  [data-platform-ui="shell"] .platform-ui-nav > :where(a, button, span)[aria-current="page"] {
    border-bottom-color: var(--platform-ui-action);
    color: var(--platform-ui-action);
  }

  .platform-ui-login-hero {
    display: none;
    min-height: 180px;
    margin: 0 auto 20px;
    max-width: 760px;
    border: 1px solid var(--platform-ui-border);
    border-radius: 24px;
    background-color: var(--platform-ui-surface-muted);
    background-image: var(--theme-asset-login-hero, none);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    box-shadow: var(--platform-ui-shadow);
  }

  body:is(
    [data-platform-screen="users"],
    [data-platform-screen="pin"],
    [data-platform-screen="password"],
    [data-platform-screen="mfa"],
    [data-platform-screen="reset"],
    [data-platform-screen="registration"],
    [data-platform-screen="invitation"]
  ) .platform-ui-login-hero { display: block; }

  .platform-ui-status-illustration {
    width: min(180px, 60%);
    min-height: 92px;
    display: block;
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
  }

  .platform-ui-status-illustration.is-empty { background-image: var(--theme-asset-empty-state-default, none); }
  .platform-ui-status-illustration.is-error { background-image: var(--theme-asset-error-state-default, none); }

  .platform-ui-toast[data-tone="success"] { background: var(--theme-color-status-success, var(--platform-ui-action)); color: var(--platform-ui-text-inverse); }
  .platform-ui-toast[data-tone="warning"] { background: var(--theme-color-status-warning, var(--platform-ui-info)); color: var(--platform-ui-text); }
  .platform-ui-toast[data-tone="info"] { background: var(--platform-ui-info); color: var(--platform-ui-text-inverse); }

  [data-platform-ui="shell"] :where(.badge, .status-badge, .status-pill) {
    border-color: var(--platform-ui-border);
    background-color: var(--platform-ui-surface-muted);
    color: var(--platform-ui-text-muted);
  }
  [data-platform-ui="shell"] :where(.badge.green, .badge.ok, .badge.success, .status-badge.success, .status-pill.success) {
    border-color: var(--theme-color-status-success, var(--platform-ui-action));
    background-color: var(--theme-color-status-success-surface, var(--platform-ui-surface-muted));
    color: var(--theme-color-status-success, var(--platform-ui-action));
  }
  [data-platform-ui="shell"] :where(.badge.error, .badge.danger, .status-badge.error, .status-pill.error) {
    border-color: var(--platform-ui-error);
    background-color: var(--platform-ui-error-surface);
    color: var(--platform-ui-error);
  }
  [data-platform-ui="shell"] :where(.badge.warning, .status-badge.warning, .status-pill.warning) {
    border-color: var(--theme-color-status-warning, var(--platform-ui-border));
    background-color: var(--theme-color-status-warning-surface, var(--platform-ui-surface-muted));
    color: var(--theme-color-status-warning, var(--platform-ui-text));
  }

  @media (max-width: 760px) {
    .platform-ui-header {
      height: auto;
      min-height: calc(124px + env(safe-area-inset-top));
      max-height: none;
      padding: max(10px, env(safe-area-inset-top)) 12px 10px;
      gap: 8px;
      flex-direction: column;
      align-items: stretch;
    }
    .platform-ui-header .brand { min-height: 46px; }
    .platform-ui-header .brand :where(p, small) { display: none; }
    .platform-ui-shell #header-user { display: none; }
    .platform-ui-shell #platform-session-actions {
      min-height: 42px;
      display: flex;
      justify-content: flex-start;
      flex-wrap: nowrap;
      overflow-x: auto;
      overflow-y: hidden;
      scrollbar-width: thin;
    }
    .platform-ui-shell #platform-session-actions > button,
    .platform-ui-shell #platform-session-actions > #platform-user-menu,
    .platform-ui-shell #platform-session-actions .platform-ui-user-menu-trigger {
      width: auto;
      flex: 0 0 auto;
    }
    .platform-ui-shell #btn-admin-options { order: -1; }
    .platform-ui-service-actions { min-height: 40px; flex-wrap: nowrap; overflow: hidden; }
    .platform-ui-service-actions > .platform-ui-button,
    .platform-ui-service-actions > .platform-ui-user-menu-root { min-width: 0; }
    [data-platform-ui="shell"] .platform-ui-nav { padding-inline: 10px; }
    .platform-ui-login-hero { display: none !important; background-image: none; }
  }

  @media (max-width: 430px) {
    .platform-ui-overlay.is-secret { padding: 12px; }
    .platform-ui-dialog.is-secret {
      width: calc(100vw - 24px);
      max-height: calc(100vh - 24px);
      max-height: calc(100dvh - 24px);
    }
    .platform-ui-dialog.is-secret .platform-ui-dialog-header { padding: 16px 14px 12px; }
    .platform-ui-dialog.is-secret .platform-ui-dialog-header h2 { font-size: 19px; }
    .platform-ui-dialog.is-secret .platform-ui-dialog-header p { font-size: 12px; line-height: 1.45; }
    .platform-ui-dialog.is-secret .platform-ui-dialog-content { padding: 14px 12px; }
    .platform-ui-secret { gap: 12px; }
    .platform-ui-secret-list,
    .platform-ui-secret-grid { gap: 8px; grid-auto-rows: minmax(48px, auto); }
    .platform-ui-secret-card {
      min-height: 48px;
      grid-template-columns: minmax(0, 1fr) 48px;
      gap: 4px;
      padding: 4px 6px;
    }
    .platform-ui-secret-code { font-size: clamp(11.5px, 3vw, 12.5px); }
    .platform-ui-secret-copy { width: 48px; min-width: 48px; min-height: 40px; }
    .platform-ui-secret-copy-status { font-size: 10.5px; }
    .platform-ui-secret-confirmation { min-height: 50px; padding: 10px 12px; }
    .platform-ui-dialog.is-secret .platform-ui-dialog-actions {
      gap: 8px;
      padding: 0 12px 14px;
    }
    .platform-ui-dialog.is-secret .platform-ui-dialog-actions .platform-ui-button { width: auto; }
    .platform-ui-dialog.is-secret [data-platform-ui-action="secret-discard"] {
      min-width: 0;
      max-width: 190px;
      flex: 1 1 160px;
      padding-inline: 9px;
    }
    .platform-ui-dialog.is-secret [data-platform-ui-action="secret-complete"] {
      min-width: 96px;
      flex: 0 0 96px;
    }
  }

  [data-platform-screen="pin"] .platform-ui-login-hero {
    display: none !important;
    background-image: none;
  }
  .pin-login {
    --login-key-bg: var(--platform-ui-surface-muted);
    --login-key-bg-hover: var(--platform-ui-surface);
    --login-key-bg-active: var(--platform-ui-surface);
    --login-key-border: var(--platform-ui-border);
    --login-focus-ring: var(--platform-ui-focus);
    --pin-surface: var(--platform-ui-surface);
    --pin-surface-muted: var(--platform-ui-surface-muted);
    --pin-text: var(--platform-ui-text);
    --pin-text-muted: var(--platform-ui-text-muted);
    --pin-border: var(--platform-ui-border);
    --pin-border-focus: var(--platform-ui-border-focus);
    --pin-action: var(--platform-ui-action);
    --pin-action-hover: var(--platform-ui-action-hover);
    --pin-error: var(--platform-ui-error);
    --pin-error-surface: var(--platform-ui-error-surface);
    padding-bottom: max(24px, env(safe-area-inset-bottom));
    overflow: visible;
  }
  .security-pin-dialog {
    padding-bottom: max(4px, env(safe-area-inset-bottom));
  }
  .security-pin-step {
    display: grid;
    gap: 4px;
    text-align: center;
  }
  .security-pin-step h3 {
    color: var(--platform-ui-text);
    font-size: 16px;
    margin: 0;
    outline: none;
  }
  .security-pin-error {
    min-height: 22px;
    margin: 12px 0 0;
    color: var(--platform-ui-error);
    text-align: center;
    font-weight: 750;
  }
  .security-policy-list {
    display: grid;
    gap: 8px;
    margin: 14px 0 0;
  }
  .security-policy-list > div {
    display: grid;
    grid-template-columns: minmax(110px, .8fr) minmax(0, 1.2fr);
    gap: 12px;
    padding: 10px 0;
    border-top: 1px solid var(--platform-ui-border);
  }
  .security-policy-list dt { color: var(--platform-ui-text-muted); font-weight: 750; }
  .security-policy-list dd { margin: 0; color: var(--platform-ui-text); font-weight: 750; }
  .pin-slots {
    width: min(100%, 264px);
    margin: 20px auto 10px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
  }
  .pin-slot {
    min-width: 0;
    height: 58px;
    border: 2px solid var(--pin-border);
    border-radius: 14px;
    background: var(--pin-surface-muted);
    display: grid;
    place-items: center;
    transition: border-color .15s ease, background-color .15s ease, transform .15s ease;
  }
  .pin-slot::after {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: transparent;
    content: "";
  }
  .pin-slot.is-filled {
    border-color: var(--pin-border-focus);
    background: var(--pin-surface);
    transform: translateY(-1px);
  }
  .pin-slot.is-filled::after { background: var(--pin-action); }
  .pin-status {
    min-height: 22px;
    margin-bottom: 10px;
    color: var(--pin-text-muted);
    text-align: center;
    font-size: 13px;
    font-weight: 750;
  }
  .pin-keypad {
    width: min(100%, 320px);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }
  [data-platform-ui="shell"] .pin-key {
    width: 100%;
    min-width: 48px;
    min-height: 54px;
    padding: 8px;
    border: 1px solid var(--login-key-border);
    border-radius: 14px;
    background: var(--login-key-bg);
    color: var(--pin-text);
    font-size: 20px;
    font-weight: 850;
    box-shadow: none;
  }
  [data-platform-ui="shell"] [data-pin-digit]:focus:not(:focus-visible),
  [data-platform-ui="shell"] [data-security-pin-digit]:focus:not(:focus-visible) {
    outline: none;
    box-shadow: none;
    border-color: var(--login-key-border);
    background: var(--login-key-bg);
    color: var(--pin-text);
  }
  [data-platform-ui="shell"] .pin-key:active:not(:disabled) {
    background: var(--login-key-bg-active);
  }
  @media (hover: hover) and (pointer: fine) {
    [data-platform-ui="shell"] .pin-key-icon:hover:not(:disabled) {
      border-color: var(--pin-border-focus);
      background: var(--login-key-bg-hover);
      color: var(--pin-action-hover);
    }
    [data-platform-ui="shell"] #btn-verify-pin:hover:not(:disabled) {
      border-color: var(--pin-action-hover);
      background: var(--pin-action-hover);
      color: var(--platform-ui-text-inverse);
    }
  }
  [data-platform-ui="shell"] #btn-verify-pin {
    border-color: var(--pin-action);
    background: var(--pin-action);
    color: var(--platform-ui-text-inverse);
  }
  .pin-key-icon svg {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
  }
  [data-platform-ui="shell"] .pin-key:focus-visible,
  [data-platform-ui="shell"] .pin-secondary-actions button:focus-visible {
    outline: 3px solid var(--pin-border-focus);
    outline-offset: 3px;
    box-shadow: var(--login-focus-ring);
  }
  [data-platform-ui="shell"] .pin-key:disabled {
    cursor: not-allowed;
    opacity: .48;
  }
  .pin-secondary-actions {
    width: min(100%, 320px);
    margin: 12px auto 0;
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    gap: 8px;
  }
  [data-platform-ui="shell"] .pin-secondary-actions button {
    width: 100%;
    min-height: 48px;
  }
  .pin-login[data-pin-status="error"] .pin-slot {
    border-color: var(--pin-error);
    background: var(--pin-error-surface);
  }
  .pin-error-shake .pin-slots { animation: pin-error-shake .2s ease-in-out; }
  @keyframes pin-error-shake {
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
  }

  @media (max-width: 430px) {
    .platform-ui-main:has(> #screen-pin:not(.hidden)) {
      padding-bottom: max(20px, env(safe-area-inset-bottom));
    }
    .pin-login { padding-bottom: max(16px, env(safe-area-inset-bottom)); }
    .pin-slots { margin-top: 14px; }
    .pin-slot { height: 52px; }
    [data-platform-ui="shell"] .pin-key { min-height: 52px; }
    .platform-ui-dialog.is-pin-management .platform-ui-dialog-content { padding: 14px 12px; }
    .platform-ui-dialog.is-pin-management .pin-slots { margin-top: 12px; }
    .security-policy-list > div { grid-template-columns: 1fr; gap: 4px; }
  }

  @media (prefers-reduced-motion: reduce) {
    .pin-slot { transition: none; }
    .pin-slot.is-filled { transform: none; }
    .pin-error-shake .pin-slots { animation: none; }
  }
}
}