/* ElectraLab mobile layout only — elmob1005 (+ elmob1005c scroll/viewport fix at end)
   No behavior/JS changes. Keeps desktop (≥761px) untouched.
   Fixes: tall lab-top chrome, upgrade-bar covering panes,
   horizontal flag overflow, sheet/dock/safe-area clearance. */

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

@media (max-width: 760px) {
  html,
  body,
  #root {
    max-width: 100%;
    overflow-x: hidden;
  }

  /* ---- Upgrade bar: hero vs entered lab ---- */
  /* On landing/hero there is no mobile dock — sit on true bottom */
  body.simulath-on-electralab:not(:has(.lab-shell.lab-entered)) #simulath-upgrade-bar {
    bottom: 0 !important;
  }

  /* Inside the lab, clear the 5-tab dock + home indicator */
  body.simulath-on-electralab:has(.lab-shell.lab-entered) #simulath-upgrade-bar {
    bottom: calc(58px + env(safe-area-inset-bottom, 0px)) !important;
  }

  /* Compact bar so it steals less vertical space */
  body.simulath-on-electralab #simulath-upgrade-bar .sub-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px 6px;
    padding: 6px 8px;
    max-height: inherit;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
  }
  body.simulath-on-electralab #simulath-upgrade-bar .sub-msg {
    flex: 1 1 auto;
    min-width: 0;
    font-size: 11px;
    line-height: 1.25;
    max-width: calc(100% - 40px);
  }
  body.simulath-on-electralab #simulath-upgrade-bar .sub-cur {
    font-size: 11px;
  }
  body.simulath-on-electralab #simulath-upgrade-bar .sub-cta,
  body.simulath-on-electralab #simulath-upgrade-bar .sub-cta-sec {
    padding: 6px 8px;
    font-size: 11px;
    min-height: 34px;
    box-sizing: border-box;
  }
  body.simulath-on-electralab #simulath-upgrade-bar .sub-x {
    min-width: 34px;
    min-height: 34px;
    margin-left: auto;
  }
  /* Cap bar height used for clearance */
  body.simulath-on-electralab:has(.lab-shell.lab-entered) #simulath-upgrade-bar {
    max-height: min(22vh, 96px) !important;
  }
  body.simulath-on-electralab:not(:has(.lab-shell.lab-entered)) #simulath-upgrade-bar {
    max-height: min(28vh, 120px) !important;
  }

  /* Lab shell must clear dock + upgrade bar so panes/sheets aren't covered */
  body.simulath-on-electralab.simulath-has-upgrade-bar:has(.lab-shell.lab-entered) .lab-shell {
    padding-bottom: calc(58px + min(22vh, 96px) + env(safe-area-inset-bottom, 0px)) !important;
  }

  /* ---- Compact lab top chrome (was ~233px) ---- */
  .lab-shell .lab-top {
    gap: 6px;
    row-gap: 6px;
    padding: 6px 8px;
    padding-top: max(6px, env(safe-area-inset-top, 0px));
    padding-left: max(8px, env(safe-area-inset-left, 0px));
    padding-right: max(8px, env(safe-area-inset-right, 0px));
  }
  .lab-shell .brand-lockup {
    flex: 1 1 auto;
    max-width: 100%;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
  }
  .lab-shell .brand-lockup .btn.exit-simulath {
    min-height: 32px;
    padding: 4px 8px;
    font-size: 0.7rem;
  }
  .lab-shell .brand {
    font-size: 0.98rem;
  }
  .lab-shell .electra-chip {
    max-width: min(150px, 46vw);
    min-height: 32px;
    padding: 4px 8px;
    font-size: 0.68rem;
    gap: 4px;
  }
  .lab-shell .plan-chip {
    font-size: 0.58rem;
    padding: 4px 7px;
  }

  /* HUD + lang flags: full-width row, scroll flags inside — no page crop */
  .lab-shell .hud-meta {
    margin-left: 0;
    max-width: 100%;
    width: 100%;
    order: 2;
    justify-content: flex-start;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
  }
  .lab-shell .lab-actions {
    order: 3;
    width: 100%;
    gap: 6px;
  }
  .lab-shell .lab-actions .btn {
    min-height: 38px;
    padding: 7px 11px;
  }
  .lab-shell .hud-meta .lang-switch,
  .lab-shell .lang-switch {
    flex: 1 1 140px;
    max-width: 100%;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
  }
  .lab-shell .lang-switch .lang-flag {
    flex: 0 0 auto;
  }

  /* ---- Main panes: scroll within leftover viewport ---- */
  .lab-shell.lab-entered > .lab-main {
    min-height: 0;
  }
  .lab-shell.mobile-pane-parts .panel:not(.right),
  .lab-shell.mobile-pane-tools .panel.right {
    padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  }
  body.simulath-has-upgrade-bar .lab-shell.mobile-pane-parts .panel:not(.right),
  body.simulath-has-upgrade-bar .lab-shell.mobile-pane-tools .panel.right,
  body.simulath-has-upgrade-bar .lab-shell.mobile-pane-bench .canvas-frame {
    padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  }

  /* Bench canvas: don't force 480px min on short phones */
  .lab-shell.mobile-pane-bench .canvas-bezel,
  .lab-shell.in-class.mobile-pane-bench .canvas-bezel {
    height: max(52dvh, min(72dvh, 420px)) !important;
    min-height: max(52dvh, min(72dvh, 420px)) !important;
  }

  /* Scroll FAB sits above dock (+ upgrade bar when present) */
  .lab-shell.mobile-pane-bench .bench-scroll-fab {
    bottom: calc(64px + env(safe-area-inset-bottom, 0px));
  }
  body.simulath-has-upgrade-bar .lab-shell.mobile-pane-bench .bench-scroll-fab {
    bottom: calc(64px + min(22vh, 96px) + env(safe-area-inset-bottom, 0px));
  }

  /* ---- Electra mobile sheet ---- */
  .electra-mobile-overlay {
    padding: 10px !important;
    padding-top: max(10px, env(safe-area-inset-top, 0px)) !important;
    padding-bottom: max(10px, calc(58px + env(safe-area-inset-bottom, 0px))) !important;
    box-sizing: border-box;
    display: flex !important;
    flex-direction: column;
    overflow: hidden;
  }
  body.simulath-has-upgrade-bar .electra-mobile-overlay {
    padding-bottom: max(10px, calc(58px + min(22vh, 96px) + env(safe-area-inset-bottom, 0px))) !important;
  }
  .lab-shell .electra-mobile-overlay .electra-rail,
  .lab-shell.mobile-pane-bench .electra-mobile-overlay .electra-rail,
  .lab-shell.mobile-pane-parts .electra-mobile-overlay .electra-rail,
  .lab-shell.mobile-pane-tools .electra-mobile-overlay .electra-rail {
    flex: 1 1 auto;
    height: auto !important;
    max-height: 100% !important;
    min-height: 0 !important;
    overflow: hidden;
  }
  .electra-mobile-overlay .electra-rail .electra-chat,
  .electra-mobile-overlay .electra-rail .electra-body,
  .electra-mobile-overlay .electra-rail .electra-scroll {
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* ---- Bottom sheets / modals: stay above dock (+ bar) ---- */
  .mobile-more-sheet .modal-card {
    margin: auto 12px calc(72px + env(safe-area-inset-bottom, 0px));
    max-height: min(68dvh, 520px);
  }
  body.simulath-has-upgrade-bar .mobile-more-sheet .modal-card {
    margin-bottom: calc(72px + min(22vh, 96px) + env(safe-area-inset-bottom, 0px));
    max-height: min(58dvh, 480px);
  }

  .modal-backdrop.subscribe-float {
    align-items: end;
    padding: 12px 12px calc(72px + env(safe-area-inset-bottom, 0px));
  }
  body.simulath-has-upgrade-bar .modal-backdrop.subscribe-float {
    padding-bottom: calc(72px + min(22vh, 96px) + env(safe-area-inset-bottom, 0px));
  }
  .modal-backdrop.subscribe-float .modal-card,
  .modal-backdrop.subscribe-float .subscribe-card {
    width: min(460px, 100%);
    max-height: min(70dvh, 560px);
    overflow: auto;
    -webkit-overflow-scrolling: touch;
  }
  body.simulath-has-upgrade-bar .modal-backdrop.subscribe-float .modal-card,
  body.simulath-has-upgrade-bar .modal-backdrop.subscribe-float .subscribe-card {
    max-height: min(58dvh, 480px);
  }

  .modal-backdrop.teacher-console {
    padding: 12px 12px calc(64px + env(safe-area-inset-bottom, 0px));
  }
  body.simulath-has-upgrade-bar .modal-backdrop.teacher-console {
    padding-bottom: calc(64px + min(22vh, 96px) + env(safe-area-inset-bottom, 0px));
  }
  .modal-backdrop.teacher-console .modal-card.teacher-panel,
  .modal-backdrop.teacher-console .teacher-panel {
    max-height: min(78dvh, 640px);
    overflow: auto;
    -webkit-overflow-scrolling: touch;
  }
  body.simulath-has-upgrade-bar .modal-backdrop.teacher-console .modal-card.teacher-panel,
  body.simulath-has-upgrade-bar .modal-backdrop.teacher-console .teacher-panel {
    max-height: min(62dvh, 560px);
  }

  .modal-card {
    max-width: min(100vw - 24px, 520px);
    box-sizing: border-box;
  }

  /* ---- Mobile dock: safe areas, no crop ---- */
  .mobile-dock {
    padding-left: max(6px, env(safe-area-inset-left, 0px));
    padding-right: max(6px, env(safe-area-inset-right, 0px));
    padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px));
  }
  .mobile-dock button {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  /* ---- Hero landing: keep CTA/chips above upgrade bar ---- */
  .hero-shell {
    padding-bottom: env(safe-area-inset-bottom, 0px);
    box-sizing: border-box;
  }
  body.simulath-has-upgrade-bar .hero-shell {
    padding-bottom: calc(min(28vh, 120px) + 12px + env(safe-area-inset-bottom, 0px));
  }
  .hero-stage {
    padding-left: max(16px, env(safe-area-inset-left, 0px));
    padding-right: max(16px, env(safe-area-inset-right, 0px));
    padding-bottom: 20px;
    max-width: 100%;
    box-sizing: border-box;
    justify-content: flex-start;
    padding-top: 12px;
  }
  .hero-build {
    margin-top: 24px !important;
  }
  .hero-topbar {
    max-width: 100%;
    box-sizing: border-box;
    padding-left: max(12px, env(safe-area-inset-left, 0px));
    padding-right: max(12px, env(safe-area-inset-right, 0px));
  }
  .hero-topbar .lang-switch {
    max-width: min(100%, calc(100vw - 24px));
  }
  .hero-chips,
  .hero-build {
    max-width: 100%;
    box-sizing: border-box;
  }
  .hero-cta {
    width: min(100%, 320px);
    max-width: 100%;
  }

  /* Study sheet inside parts pane */
  .study-sheet-panel {
    max-width: 100%;
    box-sizing: border-box;
    overflow-wrap: anywhere;
  }
}

/* Extra-narrow phones */
@media (max-width: 420px) {
  .lab-shell .electra-chip {
    max-width: min(130px, 40vw);
  }
  .lab-shell .hud-meta .btn,
  .lab-shell .hud-meta .plan-chip {
    min-height: 34px;
    padding: 5px 8px;
    font-size: 0.68rem;
  }
  .mobile-dock button {
    font-size: 0.62rem;
    padding: 5px 2px;
  }
}

/* Desktop unchanged: ensure override file never shrinks ≥761 layout */
@media (min-width: 761px) {
  body.simulath-on-electralab #simulath-upgrade-bar {
    /* leave upgrade-bar.js desktop rules alone */
  }
}


/* =====================================================================
   elmob1005c — ElectraLab mobile scroll/viewport fix (layout only)
   - Parts panel scrolls fully in portrait + landscape
   - Portrait: compact 2-row lab header, single-row upgrade bar,
     exact dock/bar/safe-area clearance, bench canvas fits viewport
   - Landscape phones (height ≤ 500px), both ≤760 and >760 wide:
     1-row scrollable header, compact bar/dock/console, side safe areas,
     every list/pane overflow-y:auto with touch scrolling
   No JS / simulation / AI / classroom changes.
   ===================================================================== */

:root {
  --elm-dock: 58px;
  --elm-bar: 0px;
  --elm-top: 96px;
  --elm-sb: env(safe-area-inset-bottom, 0px);
  --elm-sl: env(safe-area-inset-left, 0px);
  --elm-sr: env(safe-area-inset-right, 0px);
}
body.simulath-on-electralab.simulath-has-upgrade-bar {
  --elm-bar: 46px;
}

/* ---------- Shared: compact single-row upgrade bar (phone sizes) ---------- */
@media (max-width: 760px), (orientation: landscape) and (max-height: 500px) {
  body.simulath-on-electralab #simulath-upgrade-bar {
    height: auto !important;
    max-height: calc(var(--elm-bar) + 2px) !important;
    overflow: hidden !important;
    padding-left: var(--elm-sl);
    padding-right: var(--elm-sr);
    box-sizing: border-box;
  }
  body.simulath-on-electralab #simulath-upgrade-bar .sub-inner {
    display: flex;
    flex-wrap: nowrap !important;
    align-items: center;
    justify-content: flex-start !important;
    gap: 6px;
    max-width: none;
    height: var(--elm-bar);
    max-height: none;
    padding: 0 0 0 8px !important;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
    box-sizing: border-box;
  }
  body.simulath-on-electralab #simulath-upgrade-bar .sub-inner::-webkit-scrollbar {
    display: none;
  }
  body.simulath-on-electralab #simulath-upgrade-bar .sub-inner > * {
    flex: 0 0 auto;
  }
  body.simulath-on-electralab #simulath-upgrade-bar .sub-msg {
    flex: 0 0 auto !important;
    width: min(46vw, 230px);
    min-width: 0;
    max-width: none;
    font-size: 11px;
    line-height: 1.2;
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  body.simulath-on-electralab #simulath-upgrade-bar .sub-cur select {
    padding: 4px 6px;
  }
  body.simulath-on-electralab #simulath-upgrade-bar .sub-cta,
  body.simulath-on-electralab #simulath-upgrade-bar .sub-cta-sec {
    min-height: 32px;
    padding: 6px 9px;
    font-size: 11px;
    line-height: 18px;
    white-space: nowrap;
  }
  /* close button stays reachable at the right edge while the row scrolls */
  body.simulath-on-electralab #simulath-upgrade-bar .sub-x {
    position: sticky;
    right: 0;
    margin-left: auto;
    min-width: 38px;
    min-height: var(--elm-bar);
    padding: 0 8px;
    background: linear-gradient(90deg, rgba(8, 10, 18, 0), rgba(8, 10, 18, 0.96) 30%);
    z-index: 1;
  }
}

/* Header "Close" (.btn.ghost) inherits a 16px top margin meant for other
   ghost buttons; on phones it only adds a dead strip to the header */
@media (max-width: 760px), (orientation: landscape) and (max-height: 500px) {
  .lab-shell .lab-top .btn.ghost.exit-simulath {
    margin-top: 0;
  }
}

/* ---------- Phone layout (≤760px wide): portrait + small landscape ---------- */
@media (max-width: 760px) {
  /* Shell fills the dynamic viewport exactly; clears dock + bar + home bar */
  html,
  body,
  #root {
    height: 100%;
    height: 100dvh;
  }
  .lab-shell.lab-entered,
  body.simulath-on-electralab.simulath-has-upgrade-bar:has(.lab-shell.lab-entered) .lab-shell {
    height: 100dvh;
    max-height: 100dvh;
    padding-bottom: calc(var(--elm-dock) + var(--elm-bar) + var(--elm-sb)) !important;
    padding-left: var(--elm-sl);
    padding-right: var(--elm-sr);
    box-sizing: border-box;
  }

  /* Bar sits right on top of the dock (lab) or at the bottom (landing) */
  body.simulath-on-electralab:has(.lab-shell.lab-entered) #simulath-upgrade-bar {
    top: auto !important;
    bottom: calc(var(--elm-dock) + var(--elm-sb)) !important;
  }
  body.simulath-on-electralab:not(:has(.lab-shell.lab-entered)) #simulath-upgrade-bar {
    top: auto !important;
    bottom: 0 !important;
    padding-bottom: var(--elm-sb);
    max-height: calc(var(--elm-bar) + 2px + var(--elm-sb)) !important;
  }
  body.simulath-has-upgrade-bar .hero-shell {
    padding-bottom: calc(var(--elm-bar) + 12px + var(--elm-sb));
  }

  /* Dock: fixed, predictable height */
  .lab-shell .mobile-dock {
    box-sizing: border-box;
    min-height: calc(var(--elm-dock) + var(--elm-sb));
    align-items: center;
  }

  /* Header: 2 compact rows (brand row + actions/HUD row), each scrolls sideways */
  .lab-shell .lab-top {
    flex-wrap: wrap;
    row-gap: 6px;
    column-gap: 6px;
  }
  .lab-shell .brand-lockup {
    order: 1;
    flex: 1 1 100%;
    max-width: 100%;
    min-width: 0;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-right: 36px; /* room for the fixed corner flag */
  }
  .lab-shell .brand-lockup > * {
    flex: 0 0 auto;
  }
  .lab-shell .lab-actions {
    order: 2;
    width: auto;
    flex: 0 0 auto;
    flex-wrap: nowrap;
  }
  .lab-shell .hud-meta {
    order: 3;
    width: auto;
    flex: 1 1 0;
    min-width: 0;
    max-width: none;
    margin-left: 0;
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
  }
  .lab-shell .brand-lockup::-webkit-scrollbar,
  .lab-shell .hud-meta::-webkit-scrollbar,
  .lab-shell .lab-top::-webkit-scrollbar {
    display: none;
  }
  .lab-shell .hud-meta > *,
  .lab-shell .hud-meta .pro-actions > * {
    flex: 0 0 auto;
  }
  .lab-shell .hud-meta .pro-actions {
    flex-wrap: nowrap;
  }
  .lab-shell .hud-meta .lang-switch,
  .lab-shell .lab-top .lang-switch {
    flex: 0 0 auto;
    max-width: none;
    overflow: visible;
  }

  /* Main area: definite height so inner panes can scroll */
  .lab-shell.lab-entered > .lab-main {
    flex: 1 1 0;
    min-height: 0;
    height: auto;
    overflow: hidden;
  }

  /* PARTS pane: the whole column scrolls (palette + challenges + sheet) */
  .lab-shell.mobile-pane-parts > .lab-main > .panel:not(.right),
  .lab-shell.in-class.mobile-pane-parts > .lab-main > .panel:not(.right) {
    display: block !important;
    flex: 1 1 0 !important;
    height: auto !important;
    min-height: 0 !important;
    max-height: 100% !important;
    overflow-x: hidden !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    touch-action: pan-y;
    padding-bottom: calc(20px + var(--elm-sb)) !important;
  }
  /* In-class used a nested flex scroller for challenges; flatten so the
     single panel scroll reaches every item */
  .lab-shell.mobile-pane-parts .palette,
  .lab-shell.mobile-pane-parts .challenge-list,
  .lab-shell.in-class.mobile-pane-parts .challenge-list {
    max-height: none;
    min-height: 0;
    overflow: visible;
  }

  /* TOOLS pane */
  .lab-shell.mobile-pane-tools > .lab-main > .panel.right {
    flex: 1 1 0 !important;
    min-height: 0 !important;
    height: auto !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }

  /* BENCH pane: canvas sized to the visible area between header and bar */
  .lab-shell.mobile-pane-bench .canvas-bezel,
  .lab-shell.in-class.mobile-pane-bench .canvas-bezel {
    height: max(200px, calc(100dvh - var(--elm-top) - var(--elm-dock) - var(--elm-bar) - var(--elm-sb) - 30px)) !important;
    min-height: max(200px, calc(100dvh - var(--elm-top) - var(--elm-dock) - var(--elm-bar) - var(--elm-sb) - 30px)) !important;
  }
  .lab-shell.mobile-pane-bench .bench-scroll-fab,
  body.simulath-has-upgrade-bar .lab-shell.mobile-pane-bench .bench-scroll-fab {
    bottom: calc(var(--elm-dock) + var(--elm-bar) + var(--elm-sb) + 8px);
  }

  /* Overlays / sheets clear dock + bar */
  .electra-mobile-overlay,
  body.simulath-has-upgrade-bar .electra-mobile-overlay {
    padding-bottom: calc(var(--elm-dock) + var(--elm-bar) + var(--elm-sb) + 8px) !important;
    padding-left: max(10px, var(--elm-sl)) !important;
    padding-right: max(10px, var(--elm-sr)) !important;
  }
  .mobile-more-sheet .modal-card,
  body.simulath-has-upgrade-bar .mobile-more-sheet .modal-card {
    margin-bottom: calc(var(--elm-dock) + var(--elm-bar) + var(--elm-sb) + 12px);
    max-height: calc(100dvh - var(--elm-dock) - var(--elm-bar) - var(--elm-sb) - 40px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .modal-backdrop.subscribe-float,
  body.simulath-has-upgrade-bar .modal-backdrop.subscribe-float,
  .modal-backdrop.teacher-console,
  body.simulath-has-upgrade-bar .modal-backdrop.teacher-console {
    padding-bottom: calc(var(--elm-dock) + var(--elm-bar) + var(--elm-sb) + 8px);
  }
  .modal-backdrop.subscribe-float .modal-card,
  .modal-backdrop.subscribe-float .subscribe-card,
  body.simulath-has-upgrade-bar .modal-backdrop.subscribe-float .modal-card,
  body.simulath-has-upgrade-bar .modal-backdrop.subscribe-float .subscribe-card,
  .modal-backdrop.teacher-console .modal-card.teacher-panel,
  .modal-backdrop.teacher-console .teacher-panel,
  body.simulath-has-upgrade-bar .modal-backdrop.teacher-console .modal-card.teacher-panel,
  body.simulath-has-upgrade-bar .modal-backdrop.teacher-console .teacher-panel {
    max-height: calc(100dvh - var(--elm-dock) - var(--elm-bar) - var(--elm-sb) - 28px);
  }
}

/* ---------- Small landscape phones in phone layout (≤760 wide, short) ---------- */
@media (max-width: 760px) and (orientation: landscape) and (max-height: 500px) {
  :root {
    --elm-dock: 44px;
    --elm-top: 46px;
  }
  body.simulath-on-electralab.simulath-has-upgrade-bar {
    --elm-bar: 42px;
  }
  /* One header row that scrolls sideways */
  .lab-shell .lab-top {
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-top: 4px;
    padding-bottom: 4px;
    min-height: 0;
  }
  .lab-shell .lab-top > * {
    flex: 0 0 auto !important;
    width: auto !important;
    max-width: none !important;
  }
  .lab-shell .brand-lockup,
  .lab-shell .hud-meta {
    overflow: visible;
    padding-right: 0;
  }
  .lab-shell .usa-corner-flag {
    display: none;
  }
  .lab-shell .lab-top .btn,
  .lab-shell .lab-actions .btn,
  .lab-shell .hud-meta .btn {
    min-height: 32px;
    padding-top: 4px;
    padding-bottom: 4px;
  }
  .lab-shell .mobile-dock {
    padding-top: 3px;
    padding-bottom: calc(3px + var(--elm-sb));
  }
  .lab-shell .mobile-dock button {
    min-height: 36px;
    padding: 3px 4px;
  }
  .lab-shell.mobile-pane-parts .palette {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .lab-shell.mobile-pane-parts .palette button {
    min-height: 42px;
  }
  .lab-shell.mobile-pane-tools .console,
  .lab-shell.in-class.mobile-pane-tools .console {
    min-height: 70px;
    max-height: 30dvh;
  }
  .lab-shell.mobile-pane-bench .canvas-bezel,
  .lab-shell.in-class.mobile-pane-bench .canvas-bezel {
    height: max(160px, calc(100dvh - var(--elm-top) - var(--elm-dock) - var(--elm-bar) - var(--elm-sb) - 24px)) !important;
    min-height: max(160px, calc(100dvh - var(--elm-top) - var(--elm-dock) - var(--elm-bar) - var(--elm-sb) - 24px)) !important;
  }
  .mobile-more-sheet .modal-card,
  .modal-backdrop .modal-card {
    max-height: calc(100dvh - var(--elm-dock) - var(--elm-bar) - var(--elm-sb) - 20px);
  }
}

/* ---------- Landscape phones wider than 760px (desktop 3-column grid) ---------- */
@media (min-width: 761px) and (orientation: landscape) and (max-height: 500px) {
  body.simulath-on-electralab.simulath-has-upgrade-bar {
    --elm-bar: 42px;
    padding-bottom: calc(var(--elm-bar) + var(--elm-sb)) !important;
  }
  body.simulath-on-electralab #simulath-upgrade-bar {
    top: auto !important;
    bottom: 0 !important;
    padding-bottom: var(--elm-sb);
    max-height: calc(var(--elm-bar) + 2px + var(--elm-sb)) !important;
  }
  html,
  body {
    height: 100%;
    height: 100dvh;
    max-width: 100%;
    overflow: hidden;
  }
  #root {
    height: 100%; /* body content box = viewport minus the bar padding */
    max-width: 100%;
    overflow: hidden;
  }
  .lab-shell.lab-entered {
    height: 100%;
    padding-left: var(--elm-sl);
    padding-right: var(--elm-sr);
    box-sizing: border-box;
  }
  /* One header row that scrolls sideways (was 3 rows / ~160px) */
  .lab-shell .lab-top {
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
    min-height: 0;
    gap: 8px;
    padding: 4px 10px;
  }
  .lab-shell .lab-top::-webkit-scrollbar {
    display: none;
  }
  .lab-shell .lab-top > * {
    flex: 0 0 auto !important;
  }
  .lab-shell .lab-top .spacer {
    display: none;
  }
  .lab-shell .lab-actions,
  .lab-shell .hud-meta,
  .lab-shell .hud-meta .pro-actions,
  .lab-shell .brand-lockup {
    flex-wrap: nowrap;
  }
  .lab-shell .lab-top .lang-switch {
    flex: 0 0 auto;
    overflow: visible;
  }
  .lab-shell .lab-top .btn {
    min-height: 32px;
    padding-top: 4px;
    padding-bottom: 4px;
  }
  .lab-shell .usa-corner-flag {
    display: none;
  }
  /* Main grid: one row of the leftover height; every column scrolls */
  .lab-shell.lab-entered > .lab-main {
    grid-template-rows: minmax(0, 1fr);
    min-height: 0;
    overflow: hidden;
  }
  .lab-shell.lab-entered > .lab-main > .panel,
  .lab-shell.lab-entered > .lab-main > .panel.right {
    height: 100%;
    min-height: 0;
    max-height: 100%;
    overflow-x: hidden;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    touch-action: pan-y;
    padding-bottom: 16px;
  }
  .lab-shell.lab-entered.in-class > .lab-main > .panel {
    display: block;
  }
  .lab-shell.lab-entered .challenge-list {
    max-height: none;
    min-height: 0;
    overflow: visible;
  }
  .lab-shell.lab-entered .panel h2 {
    padding-top: 8px;
    padding-bottom: 6px;
  }
  .lab-shell.lab-entered .palette button {
    min-height: 40px;
  }
  /* Bench column: mission/coach cards capped + scrollable, canvas keeps the rest */
  .lab-shell.lab-entered > .lab-main > .canvas-frame {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    overflow: hidden;
    padding: 6px;
  }
  .lab-shell.lab-entered .canvas-frame > .mission-pick,
  .lab-shell.lab-entered .canvas-frame > .mission-banner,
  .lab-shell.lab-entered .canvas-frame > .learning-path,
  .lab-shell.lab-entered .canvas-frame > .coach-tip,
  .lab-shell.lab-entered .canvas-frame > .path-rail {
    flex: 0 1 auto;
    min-height: 0;
    max-height: 34%;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 0 6px;
    padding: 6px 10px;
  }
  .lab-shell.lab-entered .canvas-frame > .canvas-bezel {
    flex: 1 1 auto;
    height: auto;
    min-height: 90px;
  }
  /* Console: compact strip */
  .lab-shell.lab-entered > .console {
    height: clamp(58px, 20dvh, 80px);
    min-height: 58px;
    max-height: 80px;
  }
  .lab-shell.lab-entered > .console .console-tabs {
    padding: 2px 8px 0;
  }
  .lab-shell.lab-entered > .console .console-tabs button {
    padding: 3px 8px;
  }
  .lab-shell.lab-entered > .console .console-body {
    min-height: 24px;
    padding: 4px 10px;
    -webkit-overflow-scrolling: touch;
  }
  .electra-mobile-overlay {
    padding-bottom: calc(var(--elm-bar) + var(--elm-sb) + 8px) !important;
    padding-left: max(10px, var(--elm-sl)) !important;
    padding-right: max(10px, var(--elm-sr)) !important;
  }
  .modal-backdrop .modal-card,
  .modal-backdrop .teacher-panel,
  .modal-backdrop .subscribe-card {
    max-height: calc(100dvh - var(--elm-bar) - var(--elm-sb) - 24px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
}