/* Phone layout for /user/* pages — kill 1600×900 artboard scale. */
@media (max-width: 760px) {
  html,
  body.user-shell,
  body.overview-home,
  body.auth-body {
    overflow-x: hidden !important;
    overflow-y: auto !important;
    width: 100% !important;
    height: auto !important;
    min-height: 100dvh !important;
    max-height: none !important;
  }

  .viewport,
  body.overview-home .viewport,
  html body.overview-home .viewport {
    position: relative !important;
    width: 100% !important;
    height: auto !important;
    min-height: 100dvh !important;
    overflow: visible !important;
    transform: none !important;
    padding-top: calc(56px + env(safe-area-inset-top)) !important;
  }

  .artboard-wrap,
  #artboard-wrap,
  #artboardWrap,
  .artboard,
  #artboard {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    min-height: 0 !important;
    transform: none !important;
    zoom: 1 !important;
    scale: none !important;
    overflow: visible !important;
  }

  .user-shell .topbar,
  body.shell-topbar-pinned > .topbar,
  body.user-shell > .topbar,
  body.overview-home .topbar {
    height: auto !important;
    min-height: 52px !important;
    max-height: none !important;
    padding: 8px 10px !important;
    grid-template-columns: auto minmax(0, 1fr) auto !important;
    gap: 6px !important;
  }

  .user-shell .menu,
  body.shell-topbar-pinned > .topbar .menu {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    gap: 4px;
  }

  .user-shell .nav-drop-menu {
    position: fixed !important;
    left: 8px !important;
    right: 8px !important;
    width: auto !important;
    max-height: 60dvh;
    overflow: auto;
  }

  .mf-phone-back {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-right: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(47, 107, 255, 0.12);
    color: #2f6bff;
    font-size: 13px;
    font-weight: 800;
    text-decoration: none;
    white-space: nowrap;
  }

  body.overview-home .hero-shell,
  .hero-shell {
    display: flex !important;
    flex-direction: column !important;
    gap: 16px !important;
    padding: 16px 12px 24px !important;
  }

  body.overview-home .left-pane,
  body.overview-home .stage {
    width: 100% !important;
    max-width: 100% !important;
  }

  body.overview-home h1 {
    font-size: 28px !important;
    line-height: 1.2 !important;
  }

  .roadmap,
  .roadmap-track {
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .library-toolbar {
    flex-direction: column !important;
    align-items: stretch !important;
  }

  .lesson-list-header {
    display: none !important;
  }

  .lesson-list-row {
    display: grid !important;
    grid-template-columns: 36px 1fr auto !important;
    grid-template-areas:
      "save title delete"
      "save status cost"
      "save date narration";
    gap: 6px 10px !important;
    padding: 12px !important;
    border: 1px solid var(--line, #d0dced);
    border-radius: 14px;
    margin-bottom: 10px;
    background: #fff;
  }

  .lesson-list-row .col-save { grid-area: save; }
  .lesson-list-row .col-title { grid-area: title; }
  .lesson-list-row .col-status { grid-area: status; }
  .lesson-list-row .col-cost { grid-area: cost; }
  .lesson-list-row .col-date { grid-area: date; }
  .lesson-list-row .col-narration { grid-area: narration; }
  .lesson-list-row .col-delete { grid-area: delete; }

  .billing-layout,
  .billing-page,
  .qr-card-layout {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 12px !important;
    padding: 12px !important;
  }

  .quiz-create-page .quiz-workspace,
  .lesson-create-page .lesson-workspace-grid {
    display: block !important;
  }

  .account-panel {
    padding: 12px 10px calc(16px + env(safe-area-inset-bottom)) !important;
    place-items: end center !important;
  }

  .account-panel-card {
    width: 100% !important;
    max-height: 88dvh !important;
    border-radius: 18px 18px 12px 12px !important;
  }
}

@media (min-width: 761px) {
  .mf-phone-back { display: none !important; }
}