/* Pawn to Professor v1.9.1 — Responsive Display
   ------------------------------------------------------------
   One website, three automatic display modes:
     desktop  = current classroom layout
     tablet   = touch-friendly iPad/tablet workspace
     mobile   = full-screen single-column learning workspace

   This stylesheet is intentionally loaded LAST.
*/

/* ------------------------------------------------------------
   Shared responsive safety
   ------------------------------------------------------------ */
html,
body {
  max-width: 100%;
}

body {
  overflow-x: hidden;
}

img,
video,
iframe,
canvas {
  max-width: 100%;
}

input,
select,
textarea,
button {
  max-width: 100%;
}

.content-area,
.admin-panel,
.admin-sidebar,
.login-card {
  -webkit-overflow-scrolling: touch;
}

html[data-device-layout="tablet"] *,
html[data-device-layout="mobile"] * {
  -webkit-tap-highlight-color: transparent;
}

/* Make touch targets practical without changing desktop sizing. */
html[data-device-layout="tablet"] .btn,
html[data-device-layout="mobile"] .btn,
html[data-device-layout="tablet"] .menu-tile,
html[data-device-layout="mobile"] .menu-tile,
html[data-device-layout="tablet"] .topic-package-card,
html[data-device-layout="mobile"] .topic-package-card {
  min-height: 44px;
}

/* ------------------------------------------------------------
   DESKTOP / COMPUTER
   ------------------------------------------------------------
   Deliberately minimal. Existing desktop layout remains intact.
*/
html[data-device-layout="desktop"] .scene {
  overflow: visible;
}

/* ------------------------------------------------------------
   TABLET / IPAD
   ------------------------------------------------------------ */
html[data-device-layout="tablet"] body {
  min-height: 100dvh;
  display: block;
  overflow: hidden;
}

html[data-device-layout="tablet"] .scene {
  position: relative;
  width: 100vw;
  height: 100dvh;
  min-width: 0 !important;
  min-height: 0 !important;
  aspect-ratio: auto !important;
  background-position: center center !important;
  background-size: cover !important;
  overflow: hidden;
}

html[data-device-layout="tablet"] .board-shell,
html[data-device-layout="tablet"] .scene.portal-mode .board-shell {
  position: absolute;
  left: 3.2% !important;
  top: 3.2% !important;
  width: 93.6% !important;
  height: 93.6% !important;
  border-radius: 22px !important;
  background:
    linear-gradient(rgba(3, 52, 39, .92), rgba(3, 43, 33, .95));
  border: 1px solid rgba(255,255,255,.22);
  box-shadow: 0 18px 50px rgba(0,0,0,.28);
  overflow: hidden;
}

html[data-device-layout="tablet"] .view,
html[data-device-layout="tablet"] .scene.portal-mode #portalView {
  padding:
    max(20px, env(safe-area-inset-top))
    max(22px, env(safe-area-inset-right))
    max(20px, env(safe-area-inset-bottom))
    max(22px, env(safe-area-inset-left)) !important;
}

html[data-device-layout="tablet"] #loginView,
html[data-device-layout="tablet"] #registerView,
html[data-device-layout="tablet"] #deviceVerifyView {
  overflow: auto;
  align-content: center;
}

html[data-device-layout="tablet"][data-device-orientation="portrait"] #loginView,
html[data-device-layout="tablet"][data-device-orientation="portrait"] #registerView,
html[data-device-layout="tablet"][data-device-orientation="portrait"] #deviceVerifyView {
  grid-template-columns: 1fr;
  gap: 22px;
  align-content: start;
}

html[data-device-layout="tablet"][data-device-orientation="portrait"] .brand {
  max-width: 680px;
}

html[data-device-layout="tablet"] .brand-kicker {
  font-size: 14px !important;
}

html[data-device-layout="tablet"] .brand h1 {
  font-size: clamp(34px, 5.5vw, 54px);
}

html[data-device-layout="tablet"] .brand p {
  font-size: 17px;
}

html[data-device-layout="tablet"] .login-card {
  padding: 22px;
  border-radius: 20px;
}

html[data-device-layout="tablet"] .login-card label {
  font-size: 15px;
}

html[data-device-layout="tablet"] .login-card input,
html[data-device-layout="tablet"] .login-card select,
html[data-device-layout="tablet"] .admin-panel input,
html[data-device-layout="tablet"] .admin-panel select,
html[data-device-layout="tablet"] .admin-panel textarea {
  min-height: 46px;
  font-size: 16px;
}

html[data-device-layout="tablet"] #portalView {
  overflow: hidden;
}

html[data-device-layout="tablet"] .board-header {
  gap: 12px;
}

html[data-device-layout="tablet"] .scene.portal-mode .board-header h1 {
  font-size: clamp(28px, 4vw, 40px);
}

html[data-device-layout="tablet"] .scene.portal-mode .brand-kicker {
  font-size: 13px;
}

html[data-device-layout="tablet"] .scene.portal-mode .header-actions .btn {
  min-height: 44px;
  font-size: 14px;
  padding: .7em 1em;
}

html[data-device-layout="tablet"] .breadcrumb {
  font-size: 13px !important;
  margin: 7px 0 10px !important;
}

html[data-device-layout="tablet"] .content-area {
  overflow: auto;
  padding: 2px 4px 18px 0;
}

/* Tablet cards = 2 columns */
html[data-device-layout="tablet"] .scene.portal-mode .tile-grid,
html[data-device-layout="tablet"] html[data-menu-style="large"] .tile-grid,
html[data-device-layout="tablet"] html[data-menu-style="compact"] .tile-grid,
html[data-device-layout="tablet"] .activity-list,
html[data-device-layout="tablet"] .tool-list,
html[data-device-layout="tablet"] .resource-list,
html[data-device-layout="tablet"] .community-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  gap: 14px !important;
  width: 100% !important;
}

html[data-device-layout="tablet"] .scene.portal-mode .tile-grid:not(:has(.menu-tile:nth-child(3))) {
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  width: 100% !important;
}

html[data-device-layout="tablet"] .scene.portal-mode .menu-tile {
  min-height: 118px;
  padding: 18px;
  border-radius: 18px;
}

html[data-device-layout="tablet"] .scene.portal-mode .tile-icon {
  font-size: 34px;
}

html[data-device-layout="tablet"] .scene.portal-mode .tile-title {
  font-size: 21px;
  white-space: normal;
  line-height: 1.15;
}

html[data-device-layout="tablet"] .scene.portal-mode .tile-subtitle {
  font-size: 14px;
  white-space: normal;
  line-height: 1.3;
}

html[data-device-layout="tablet"] .scene.portal-mode .activity-card,
html[data-device-layout="tablet"] .scene.portal-mode .tool-card,
html[data-device-layout="tablet"] .resource-card {
  min-height: 120px;
  padding: 16px;
}

html[data-device-layout="tablet"] .scene.portal-mode .activity-card h3,
html[data-device-layout="tablet"] .scene.portal-mode .tool-card h3,
html[data-device-layout="tablet"] .resource-body h3 {
  font-size: 18px;
}

html[data-device-layout="tablet"] .scene.portal-mode .activity-card p,
html[data-device-layout="tablet"] .scene.portal-mode .tool-card p,
html[data-device-layout="tablet"] .resource-body p {
  font-size: 14px;
}

/* Unit information = 2 + full-width vocabulary */
html[data-device-layout="tablet"] .unit-info-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  gap: 12px;
}

html[data-device-layout="tablet"] .vocabulary-card {
  grid-column: 1 / -1 !important;
}

html[data-device-layout="tablet"] .unit-info-card {
  min-height: 130px;
  padding: 15px;
}

html[data-device-layout="tablet"] .unit-info-card h3 {
  font-size: 17px;
}

html[data-device-layout="tablet"] .unit-info-card p,
html[data-device-layout="tablet"] .unit-info-card ul {
  font-size: 14px;
}

html[data-device-layout="tablet"] .vocab-cloud span {
  font-size: 13px;
  padding: .35em .62em;
}

html[data-device-layout="tablet"] .topic-package-list {
  max-width: none;
}

html[data-device-layout="tablet"] .topic-package-card {
  grid-template-columns: 50px minmax(0,1fr) 26px;
  padding: 14px 16px;
}

/* Admin becomes a top tab bar + full-width panel on iPad. */
html[data-device-layout="tablet"] .admin-wrap {
  display: grid;
  grid-template-columns: 1fr !important;
  grid-template-rows: auto 1fr;
  gap: 12px;
  height: auto;
  min-height: 100%;
}

html[data-device-layout="tablet"] .admin-sidebar {
  padding: 8px;
  overflow-x: auto;
  overflow-y: hidden;
}

html[data-device-layout="tablet"] .admin-tabs {
  display: flex;
  gap: 8px;
  min-width: max-content;
}

html[data-device-layout="tablet"] .admin-tabs button {
  width: auto;
  min-width: 130px;
  text-align: center;
  white-space: nowrap;
}

html[data-device-layout="tablet"] .admin-panel {
  padding: 15px;
  overflow: visible;
}

html[data-device-layout="tablet"] .admin-panel h2 {
  font-size: 24px !important;
}

html[data-device-layout="tablet"] .admin-panel h3 {
  font-size: 18px !important;
}

html[data-device-layout="tablet"] .admin-note,
html[data-device-layout="tablet"] .meta {
  font-size: 13px !important;
}

html[data-device-layout="tablet"] .dashboard-grid,
html[data-device-layout="tablet"] .analytics-stats {
  grid-template-columns: repeat(2, minmax(0,1fr));
}

html[data-device-layout="tablet"] .analytics-filters {
  grid-template-columns: repeat(2, minmax(0,1fr)) !important;
}

html[data-device-layout="tablet"] .v18-choice-grid,
html[data-device-layout="tablet"] .v19-legal-admin-grid {
  grid-template-columns: repeat(2, minmax(0,1fr));
}

html[data-device-layout="tablet"] .v19-legal-modal {
  width: min(820px, 92vw);
  max-height: 88dvh;
}

html[data-device-layout="tablet"] .toast {
  position: fixed;
  right: 20px;
  bottom: max(20px, env(safe-area-inset-bottom));
  max-width: min(520px, 72vw);
  font-size: 14px;
}

/* iPad portrait: simplify dense forms further. */
html[data-device-layout="tablet"][data-device-orientation="portrait"] .admin-form-grid.three {
  grid-template-columns: repeat(2, minmax(0,1fr));
}

html[data-device-layout="tablet"][data-device-orientation="portrait"] .v19-legal-admin-grid {
  grid-template-columns: 1fr;
}

/* ------------------------------------------------------------
   MOBILE / PHONE
   ------------------------------------------------------------ */
html[data-device-layout="mobile"],
html[data-device-layout="mobile"] body {
  width: 100%;
  min-width: 0;
  min-height: 100%;
}

html[data-device-layout="mobile"] body {
  display: block;
  min-height: 100dvh;
  overflow: hidden;
  background: #073d30;
}

html[data-device-layout="mobile"] .scene,
html[data-device-layout="mobile"] .scene.portal-mode {
  position: relative;
  width: 100vw;
  height: 100dvh;
  min-width: 0 !important;
  min-height: 0 !important;
  aspect-ratio: auto !important;
  background-position: center !important;
  background-size: cover !important;
  overflow: hidden;
}

/* On mobile the green workspace becomes the screen instead of a tiny board
   inside a miniature classroom. */
html[data-device-layout="mobile"] .board-shell,
html[data-device-layout="mobile"] .scene.portal-mode .board-shell {
  position: absolute;
  inset: 0 !important;
  left: 0 !important;
  top: 0 !important;
  width: 100% !important;
  height: 100dvh !important;
  min-width: 0 !important;
  border-radius: 0 !important;
  background:
    linear-gradient(180deg, rgba(5, 57, 43, .97), rgba(3, 40, 31, .985));
  border: 0;
  box-shadow: none;
  overflow: hidden;
}

html[data-device-layout="mobile"] .view,
html[data-device-layout="mobile"] .scene.portal-mode #portalView {
  width: 100%;
  height: 100%;
  padding:
    max(18px, env(safe-area-inset-top))
    max(16px, env(safe-area-inset-right))
    max(18px, env(safe-area-inset-bottom))
    max(16px, env(safe-area-inset-left)) !important;
}

/* Login / registration / device verification */
html[data-device-layout="mobile"] #loginView,
html[data-device-layout="mobile"] #registerView,
html[data-device-layout="mobile"] #deviceVerifyView {
  display: block;
  overflow: auto;
}

html[data-device-layout="mobile"] #loginView > .brand,
html[data-device-layout="mobile"] #registerView > .brand,
html[data-device-layout="mobile"] #deviceVerifyView > .brand {
  margin: 8px 0 20px;
}

html[data-device-layout="mobile"] .brand-kicker {
  font-size: 12px !important;
  letter-spacing: .12em;
}

html[data-device-layout="mobile"] .brand h1,
html[data-device-layout="mobile"] .compact-brand h1 {
  font-size: clamp(31px, 10vw, 44px);
  line-height: 1;
}

html[data-device-layout="mobile"] .brand p {
  max-width: none;
  font-size: 15px;
  line-height: 1.45;
}

html[data-device-layout="mobile"] .login-card {
  width: 100%;
  padding: 18px;
  border-radius: 18px;
}

html[data-device-layout="mobile"] .login-card label {
  margin-bottom: 14px;
  font-size: 14px;
}

html[data-device-layout="mobile"] .login-card input,
html[data-device-layout="mobile"] .login-card select,
html[data-device-layout="mobile"] .admin-panel input,
html[data-device-layout="mobile"] .admin-panel select,
html[data-device-layout="mobile"] .admin-panel textarea,
html[data-device-layout="mobile"] .community-compose input,
html[data-device-layout="mobile"] .community-compose select,
html[data-device-layout="mobile"] .community-compose textarea {
  min-height: 46px;
  font-size: 16px !important; /* prevents iPhone Safari auto-zoom */
}

html[data-device-layout="mobile"] .two-col,
html[data-device-layout="mobile"] .admin-form-grid,
html[data-device-layout="mobile"] .admin-form-grid.three,
html[data-device-layout="mobile"] .color-row,
html[data-device-layout="mobile"] .v18-choice-grid,
html[data-device-layout="mobile"] .v19-guardian-reaccept,
html[data-device-layout="mobile"] .v19-legal-admin-grid {
  grid-template-columns: 1fr !important;
}

html[data-device-layout="mobile"] .button-row {
  display: grid;
  grid-template-columns: 1fr;
}

html[data-device-layout="mobile"] .button-row .btn,
html[data-device-layout="mobile"] .register-cta {
  width: 100%;
  min-height: 48px;
}

html[data-device-layout="mobile"] .v18-choice-card {
  min-height: 74px;
  padding: 13px;
}

html[data-device-layout="mobile"] .v18-trial-note,
html[data-device-layout="mobile"] .v19-legal-checks {
  font-size: 14px;
}

/* Portal header */
html[data-device-layout="mobile"] #portalView {
  overflow: hidden;
}

html[data-device-layout="mobile"] .board-header {
  display: grid;
  grid-template-columns: minmax(0,1fr);
  align-items: start;
  gap: 10px;
  flex: 0 0 auto;
}

html[data-device-layout="mobile"] .scene.portal-mode .brand-kicker {
  font-size: 11px !important;
}

html[data-device-layout="mobile"] .scene.portal-mode .board-header h1 {
  font-size: clamp(25px, 7.8vw, 34px);
  line-height: 1.02;
  overflow-wrap: anywhere;
}

html[data-device-layout="mobile"] .header-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 8px;
  width: 100%;
}

html[data-device-layout="mobile"] .scene.portal-mode .header-actions .btn {
  min-width: 0;
  min-height: 44px;
  padding: .68em .5em;
  font-size: 13px;
}

html[data-device-layout="mobile"] .breadcrumb {
  font-size: 12px !important;
  line-height: 1.35;
  margin: 9px 0 10px !important;
  white-space: normal;
  overflow-wrap: anywhere;
}

html[data-device-layout="mobile"] .content-area {
  overflow-y: auto;
  overflow-x: hidden;
  padding: 2px 2px 24px 0;
}

/* All primary content becomes one comfortable column. */
html[data-device-layout="mobile"] .scene.portal-mode .tile-grid,
html[data-device-layout="mobile"] html[data-menu-style="large"] .tile-grid,
html[data-device-layout="mobile"] html[data-menu-style="compact"] .tile-grid,
html[data-device-layout="mobile"] .scene.portal-mode .tile-grid:not(:has(.menu-tile:nth-child(3))),
html[data-device-layout="mobile"] .activity-list,
html[data-device-layout="mobile"] .tool-list,
html[data-device-layout="mobile"] .resource-list,
html[data-device-layout="mobile"] .community-grid,
html[data-device-layout="mobile"] .unit-info-grid,
html[data-device-layout="mobile"] .dashboard-grid,
html[data-device-layout="mobile"] .analytics-stats,
html[data-device-layout="mobile"] .analytics-filters,
html[data-device-layout="mobile"] .group-member-grid {
  grid-template-columns: 1fr !important;
  width: 100% !important;
  gap: 12px !important;
}

html[data-device-layout="mobile"] .vocabulary-card {
  grid-column: auto !important;
}

html[data-device-layout="mobile"] .scene.portal-mode .menu-tile {
  min-height: 96px;
  padding: 16px;
  border-radius: 16px;
}

html[data-device-layout="mobile"] .scene.portal-mode .tile-icon {
  font-size: 31px;
  margin-bottom: 7px;
}

html[data-device-layout="mobile"] .scene.portal-mode .tile-title {
  font-size: 20px;
  line-height: 1.15;
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
}

html[data-device-layout="mobile"] .scene.portal-mode .tile-subtitle {
  font-size: 14px;
  line-height: 1.35;
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
}

html[data-device-layout="mobile"] .scene.portal-mode .activity-card,
html[data-device-layout="mobile"] .scene.portal-mode .tool-card,
html[data-device-layout="mobile"] .resource-card {
  min-height: 0;
  padding: 15px;
  border-radius: 15px;
}

html[data-device-layout="mobile"] .scene.portal-mode .activity-card h3,
html[data-device-layout="mobile"] .scene.portal-mode .tool-card h3,
html[data-device-layout="mobile"] .resource-body h3 {
  font-size: 18px;
}

html[data-device-layout="mobile"] .scene.portal-mode .activity-card p,
html[data-device-layout="mobile"] .scene.portal-mode .tool-card p,
html[data-device-layout="mobile"] .resource-body p {
  font-size: 14px;
  line-height: 1.4;
}

html[data-device-layout="mobile"] .resource-card {
  display: grid;
  grid-template-columns: auto minmax(0,1fr);
}

html[data-device-layout="mobile"] .resource-actions {
  grid-column: 1 / -1;
}

html[data-device-layout="mobile"] .resource-actions .btn,
html[data-device-layout="mobile"] .activity-card .btn,
html[data-device-layout="mobile"] .tool-card .btn {
  min-height: 44px;
}

/* Curriculum / Topic library */
html[data-device-layout="mobile"] .unit-dashboard-title h2 {
  font-size: 26px;
  line-height: 1.1;
}

html[data-device-layout="mobile"] .unit-dashboard-title p {
  font-size: 14px;
}

html[data-device-layout="mobile"] .unit-info-card {
  min-height: 0;
  padding: 14px;
}

html[data-device-layout="mobile"] .unit-info-card h3 {
  font-size: 17px;
}

html[data-device-layout="mobile"] .unit-info-card p,
html[data-device-layout="mobile"] .unit-info-card ul {
  font-size: 14px;
  line-height: 1.48;
}

html[data-device-layout="mobile"] .vocab-cloud span {
  font-size: 13px;
  padding: .36em .62em;
}

html[data-device-layout="mobile"] .topic-package-card {
  grid-template-columns: 42px minmax(0,1fr) 18px;
  gap: 10px;
  padding: 13px 12px;
}

html[data-device-layout="mobile"] .topic-package-copy strong {
  font-size: 16px;
}

html[data-device-layout="mobile"] .topic-package-copy small {
  font-size: 13px;
}

html[data-device-layout="mobile"] .topic-package-copy span {
  font-size: 12px;
}

/* Community */
html[data-device-layout="mobile"] .community-category {
  min-height: 92px;
  padding: 15px;
}

html[data-device-layout="mobile"] .community-topic,
html[data-device-layout="mobile"] .forum-post,
html[data-device-layout="mobile"] .request-card header,
html[data-device-layout="mobile"] .manage-card,
html[data-device-layout="mobile"] .structure-row,
html[data-device-layout="mobile"] .package-head {
  flex-direction: column;
  align-items: stretch;
}

html[data-device-layout="mobile"] .community-topic p,
html[data-device-layout="mobile"] .forum-topic-detail p,
html[data-device-layout="mobile"] .forum-post p {
  font-size: 14px !important;
}

html[data-device-layout="mobile"] .request-actions,
html[data-device-layout="mobile"] .actions,
html[data-device-layout="mobile"] .structure-actions,
html[data-device-layout="mobile"] .resource-actions {
  width: 100%;
}

html[data-device-layout="mobile"] .request-actions .btn,
html[data-device-layout="mobile"] .actions .btn,
html[data-device-layout="mobile"] .structure-actions .btn {
  min-height: 42px;
}

/* Admin on phone = horizontal tabs, one-column editor. */
html[data-device-layout="mobile"] .admin-wrap {
  display: grid;
  grid-template-columns: 1fr !important;
  grid-template-rows: auto 1fr;
  gap: 10px;
  height: auto;
  min-height: 100%;
}

html[data-device-layout="mobile"] .admin-sidebar {
  padding: 7px;
  overflow-x: auto;
  overflow-y: hidden;
  border-radius: 12px;
}

html[data-device-layout="mobile"] .admin-tabs {
  display: flex;
  gap: 7px;
  min-width: max-content;
}

html[data-device-layout="mobile"] .admin-tabs button {
  width: auto;
  min-width: 115px;
  min-height: 42px;
  text-align: center;
  white-space: nowrap;
}

html[data-device-layout="mobile"] .admin-panel {
  padding: 12px;
  overflow: visible;
}

html[data-device-layout="mobile"] .admin-panel h2 {
  font-size: 23px !important;
}

html[data-device-layout="mobile"] .admin-panel h3 {
  font-size: 18px !important;
}

html[data-device-layout="mobile"] .admin-panel label,
html[data-device-layout="mobile"] .admin-note,
html[data-device-layout="mobile"] .meta {
  font-size: 13px !important;
}

html[data-device-layout="mobile"] .user-row {
  padding: 12px;
}

html[data-device-layout="mobile"] .permission-units {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

html[data-device-layout="mobile"] .permission-units label {
  min-height: 38px;
  font-size: 13px;
}

html[data-device-layout="mobile"] .structure-grade {
  margin-left: 6px;
  padding-left: 8px;
}

html[data-device-layout="mobile"] .structure-unit {
  margin-left: 6px;
}

html[data-device-layout="mobile"] .analytics-table-wrap {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
}

html[data-device-layout="mobile"] .analytics-table {
  min-width: 680px;
}

/* Legal modal is a proper phone screen. */
html[data-device-layout="mobile"] .v19-legal-overlay {
  padding: 0;
  align-items: stretch;
}

html[data-device-layout="mobile"] .v19-legal-modal {
  width: 100vw;
  max-width: none;
  height: 100dvh;
  max-height: 100dvh;
  border-radius: 0;
}

html[data-device-layout="mobile"] .v19-legal-modal header {
  padding:
    max(14px, env(safe-area-inset-top))
    15px
    12px;
}

html[data-device-layout="mobile"] .v19-legal-document-text {
  padding: 15px;
  font-size: 15px;
}

html[data-device-layout="mobile"] .v19-legal-gate-actions {
  padding: 0 15px max(18px, env(safe-area-inset-bottom));
}

html[data-device-layout="mobile"] .toast {
  position: fixed;
  left: 14px;
  right: 14px;
  bottom: max(14px, env(safe-area-inset-bottom));
  max-width: none;
  font-size: 14px;
}

/* ------------------------------------------------------------
   WIDTH-BASED FALLBACK
   ------------------------------------------------------------
   Provides sensible behavior during the tiny moment before the detector runs,
   and also if JavaScript is blocked.
*/
@media (max-width: 1099px) {
  html:not([data-device-layout]) .scene {
    min-width: 0 !important;
  }
}

@media (max-width: 699px) {
  html:not([data-device-layout]) .scene {
    width: 100vw;
    height: 100dvh;
    min-width: 0 !important;
    min-height: 0 !important;
    aspect-ratio: auto !important;
  }

  html:not([data-device-layout]) .board-shell {
    inset: 0 !important;
    width: 100% !important;
    height: 100dvh !important;
  }
}

/* Accessibility: keep keyboard focus visible on every layout. */
html[data-device-layout="tablet"] :focus-visible,
html[data-device-layout="mobile"] :focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

/* Reduced motion remains respected. */
@media (prefers-reduced-motion: reduce) {
  html[data-device-layout="tablet"] *,
  html[data-device-layout="mobile"] * {
    scroll-behavior: auto !important;
  }
}