@media (max-width: 1059px) {
  #view-onboarding {
    --mobile-step-shell-gap: clamp(0.95rem, 0.84rem + 0.42vw, 1.15rem);
    --mobile-step-content-gap: clamp(0.85rem, 0.75rem + 0.38vw, 1.05rem);
    --mobile-step-surface-padding: clamp(0.9rem, 0.82rem + 0.31vw, 1.05rem);
    --mobile-step-surface-radius: var(--mobile-wireframe-band-radius, 1.15rem);
    --mobile-step-surface-border: 1px solid rgba(255, 255, 255, 0.06);
    --mobile-step-surface-fill: linear-gradient(
      180deg,
      rgba(39, 39, 42, 0.74),
      rgba(24, 24, 27, 0.58)
    );
    --mobile-step-surface-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
    --mobile-step-usable-height: calc(
      100svh - var(--mobile-onboarding-top-gap) - var(--mobile-onboarding-bottom-gap)
    );
    --mobile-step-usable-height: calc(
      100dvh - var(--mobile-onboarding-top-gap) - var(--mobile-onboarding-bottom-gap)
    );
  }

  #view-onboarding .onboarding-main {
    overflow: hidden;
  }

  #view-onboarding .step-container {
    justify-content: flex-start;
    align-items: stretch;
    overflow: hidden;
  }

  #view-onboarding .step-mobile-fit-viewport {
    width: 100%;
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    align-items: stretch;
    justify-content: center;
    overflow: hidden;
  }

  #step-1 .step-mobile-fit-content,
  #step-2 .step-mobile-fit-content,
  #step-3 .step-mobile-fit-content,
  #step-4 .step-mobile-fit-content,
  #step-5 .step-mobile-fit-content {
    width: 100% !important;
    max-width: var(--mobile-onboarding-content-width) !important;
    height: var(--mobile-step-usable-height) !important;
    max-height: var(--mobile-step-usable-height) !important;
    min-height: 0 !important;
    margin-inline: auto;
    transform: none !important;
    will-change: auto;
    display: flex;
  }

  #step-1 .container-inner,
  #step-2 .container-inner,
  #step-3 .container-inner,
  #step-4 .container-inner,
  #step-5 .container-inner {
    width: 100% !important;
    max-width: none !important;
    height: 100% !important;
    min-height: 0 !important;
    margin: 0 auto !important;
    padding: 0 !important;
    display: flex !important;
    flex-direction: column;
    overflow: hidden;
  }

  #step-1 .step-shell--wireframe,
  #step-2 .step-shell--wireframe,
  #step-3 .step-shell--wireframe,
  #step-4 .step-shell--features,
  #step-5 .step-shell--details {
    width: 100% !important;
    height: 100% !important;
    min-height: 0 !important;
    display: flex !important;
    flex-direction: column;
    gap: var(--mobile-step-shell-gap);
    position: relative !important;
  }

  #step-1 .step-header-zone,
  #step-2 .step-header-zone,
  #step-3 .step-header-zone,
  #step-4 .step-header-zone,
  #step-5 .step-header-zone {
    position: static !important;
    inset: auto !important;
    width: 100% !important;
    margin: 0 !important;
    text-align: left !important;
    flex: 0 0 auto;
    z-index: auto !important;
  }

  #step-1 .step-title,
  #step-2 .step-title,
  #step-3 .step-title,
  #step-4 .step-title,
  #step-5 .step-title {
    max-width: 100%;
    margin-bottom: 0.45rem !important;
    line-height: 0.98;
  }

  #step-1 .step-subtitle,
  #step-2 .step-subtitle,
  #step-3 .step-subtitle,
  #step-4 .step-subtitle,
  #step-5 .step-subtitle {
    max-width: 34ch;
    margin: 0 !important;
    line-height: 1.32;
  }

  #step-1 .step-content-zone,
  #step-2 .step-content-zone,
  #step-3 .step-content-zone,
  #step-4 .features-composition,
  #step-5 .finish-form-layout {
    flex: 1 1 auto;
    min-height: 0 !important;
  }

  #step-1 .step-content-zone--stack,
  #step-2 .step-content-zone--stack,
  #step-3 .step-content-zone--stack {
    width: 100%;
    display: grid !important;
    grid-template-columns: minmax(0, 1fr);
    align-content: stretch;
    gap: var(--mobile-step-content-gap);
    min-height: 0 !important;
  }

  #step-1 .step-content-zone--stack {
    grid-template-rows: minmax(0, 1fr) minmax(0, 1.08fr);
  }

  #step-2 .step-content-zone--style {
    grid-template-rows: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }

  #step-3 .layout-step-shell {
    grid-template-rows: minmax(0, 0.9fr) minmax(0, 1.1fr);
    max-height: none !important;
    height: 100% !important;
    padding: 0 !important;
  }

  #step-1 .step-band--primary,
  #step-1 .step-band--secondary {
    position: static !important;
    inset: auto !important;
    width: 100% !important;
    height: auto !important;
    min-height: 0 !important;
    padding: var(--mobile-step-surface-padding) !important;
    background: var(--mobile-step-surface-fill);
    border: var(--mobile-step-surface-border);
    border-radius: var(--mobile-step-surface-radius);
    box-shadow: var(--mobile-step-surface-shadow);
    display: flex !important;
    flex-direction: column;
    gap: clamp(0.6rem, 0.54rem + 0.25vw, 0.72rem);
  }

  #step-2 .step-band--primary,
  #step-2 .step-band--secondary,
  #step-3 .step-band--primary,
  #step-3 .step-band--secondary {
    position: static !important;
    inset: auto !important;
    width: 100% !important;
    min-height: 0 !important;
    height: auto !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    overflow: hidden;
    display: flex !important;
    flex-direction: column;
  }

  #step-1 .background-mode-block {
    margin-top: 0 !important;
  }

  #step-1 .palette-selection-block,
  #step-1 .background-mode-block,
  #step-2 .font-preview-area,
  #step-2 .font-selection-area,
  #step-3 .layout-step-preview,
  #step-3 .layout-step-sidebar {
    min-height: 0;
  }

  #step-1 .palette-selection-block {
    display: flex;
    flex-direction: column;
  }

  #step-1 .palette-scroll-shell {
    flex: 1 1 auto;
    min-height: 0;
    max-height: none !important;
    overflow: visible;
  }

  #step-1 .palette-scroll-viewport {
    height: 100% !important;
    max-height: none !important;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0.75rem 0.75rem 1.2rem 0.75rem;
  }

  #step-1 .palette-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.45rem;
  }

  #step-1 .mode-options-flex {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: repeat(3, minmax(0, 1fr));
    gap: 0.55rem;
    flex: 1 1 auto;
    min-height: 0;
  }

  #step-1 .mode-option {
    min-height: 0;
    height: auto;
  }

  #step-2 .font-preview-area {
    grid-row: 1;
    flex: 1 1 auto;
    min-height: 0;
  }

  #step-2 .font-selection-area {
    grid-row: 2;
    flex: 1 1 auto;
    min-height: 0;
  }

  #step-2 .font-preview-area,
  #step-2 .font-selection-area {
    position: static !important;
  }

  #step-2 .preview-card {
    width: 100%;
    height: 100%;
    max-width: none;
    margin: 0;
  }

  #step-2 .preview-inner {
    min-height: 0;
  }

  #step-2 .preview-body {
    flex: 1 1 auto;
    min-height: 0;
  }

  #step-2 .font-list-scroll {
    flex: 1 1 auto;
    min-height: 0;
    max-height: none;
    overflow-y: auto;
    padding: var(--mobile-step-surface-padding);
    background: var(--mobile-step-surface-fill);
    border: var(--mobile-step-surface-border);
    box-shadow: var(--mobile-step-surface-shadow);
    border-radius: var(--mobile-step-surface-radius);
  }

  #step-3 .mobile-step-heading {
    display: block;
  }

  #step-3 .layout-step-preview,
  #step-3 .layout-step-sidebar {
    position: static !important;
  }

  #step-3 .layout-step-preview {
    grid-row: 1;
    flex: 1 1 auto;
    min-height: 0;
    --preview-font-scale: 0.8;
    --preview-header-pad-y: 0.64rem;
    --preview-header-pad-x: 0.78rem;
    --preview-canvas-pad-top: 0.64rem;
    --preview-canvas-pad-x: 0.72rem;
    --preview-canvas-pad-bottom: 0.56rem;
    --preview-canvas-gap: 0.24rem;
    --preview-block-pad: 0.42rem;
    --preview-block-gap: 0.2rem;
    --preview-inline-gap: 0.2em;
    --preview-grid-gap: 0.14em;
    --preview-line-height: 0.3em;
    --preview-hero-line-height: 0.78em;
    --preview-chip-height: 0.8em;
    --preview-media-size: 2.95em;
    --preview-avatar-size: 0.84em;
    --preview-label-size: 0.34rem;
    --preview-count-font: 0.53rem;
    --preview-count-pad-x: 0.62rem;
  }

  #step-3 .layout-step-sidebar {
    grid-row: 2;
    display: flex !important;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
  }

  #step-3 .layout-step-sidebar-header {
    display: none !important;
  }

  #step-3 #section-list {
    flex: 1 1 auto;
    min-height: 0;
    height: 100%;
    overflow-y: auto !important;
    padding: var(--mobile-step-surface-padding) calc(var(--mobile-step-surface-padding) - 0.1rem) var(--mobile-step-surface-padding) var(--mobile-step-surface-padding) !important;
    background: var(--mobile-step-surface-fill);
    border: var(--mobile-step-surface-border);
    box-shadow: var(--mobile-step-surface-shadow);
    border-radius: var(--mobile-step-surface-radius);
    display: flex !important;
    flex-direction: column;
    gap: 0.5rem !important;
  }

  #step-3 .preview-mockup,
  #step-3 .mockup-inner {
    width: 100%;
    height: 100%;
    max-width: none;
    min-height: 0;
  }

  #step-3 .preview-mockup {
    background: var(--mobile-step-surface-fill);
    border: var(--mobile-step-surface-border);
    border-radius: var(--mobile-step-surface-radius);
    box-shadow: var(--mobile-step-surface-shadow);
    overflow: hidden;
  }

  #step-3 .mockup-inner {
    border-radius: calc(var(--mobile-step-surface-radius) - 1px);
  }

  #step-3 .mockup-canvas,
  #step-3 .mockup-canvas > * {
    min-height: 0;
  }

  /* Allow glow to bleed outward through all intermediate containers
     to #step-4's own padding zone, which is the clip boundary. */
  #view-onboarding #step-4,
  #step-4 .step-mobile-fit-viewport,
  #step-4 .container-inner {
    overflow: visible;
  }

  #step-4 .features-composition {
    width: 100%;
    height: 100%;
    display: flex !important;
    flex-direction: column;
    gap: var(--mobile-step-shell-gap);
    overflow: visible;
  }

  #step-4 .features-layout {
    position: static !important;
    inset: auto !important;
    width: 100% !important;
    height: 100% !important;
    min-height: 0 !important;
    padding: 0 !important;
    display: grid !important;
    grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
    gap: var(--mobile-step-content-gap);
    background: transparent;
    border: 0;
    box-shadow: none;
    overflow: visible;
  }

  #step-4 .features-row-primary {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) !important;
    grid-template-rows: repeat(5, minmax(0, 1fr));
    gap: clamp(0.55rem, 0.5rem + 0.19vw, 0.65rem);
    min-height: 0;
  }

  #step-4 .features-row-secondary {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) !important;
    grid-template-rows: repeat(2, minmax(0, 1fr));
    gap: clamp(0.55rem, 0.5rem + 0.19vw, 0.65rem);
    min-height: 0;
  }

  #step-4 .feature-toggle-card,
  #step-4 .social-card,
  #step-4 .language-card {
    width: 100%;
    min-height: 0;
    height: auto;
    overflow: hidden;
  }

  #step-4 .social-card,
  #step-4 .language-card {
    display: flex;
    flex-direction: column;
  }

  #step-4 .social-grid,
  #step-4 .language-suggestions {
    min-height: 0;
    overflow-y: auto;
  }

  #step-4 .language-field-group {
    margin-top: auto;
  }



  #step-5 .finish-form-layout {
    position: static !important;
    inset: auto !important;
    width: 100% !important;
    height: 100% !important;
    min-height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.04fr);
    grid-template-rows: minmax(0, 1fr) minmax(6.5rem, 0.7fr);
    gap: var(--mobile-step-content-gap);
    z-index: auto !important;
  }

  #step-5 .finish-form-main,
  #step-5 .finish-form-side {
    min-width: 0;
    min-height: 0;
    height: 100%;
    display: grid !important;
    overflow: hidden;
  }

  #step-5 .finish-form-main {
    grid-template-rows: repeat(4, minmax(0, 1fr));
    gap: clamp(0.5rem, 0.45rem + 0.19vw, 0.6rem);
  }

  #step-5 .finish-form-side {
    grid-template-rows: minmax(0, 1.28fr) minmax(0, 0.9fr) minmax(0, 1fr);
    gap: clamp(0.5rem, 0.45rem + 0.19vw, 0.6rem);
  }

  #step-5 .finish-grid-full {
    grid-column: 1 / -1;
    min-height: 0;
    height: 100%;
    margin-top: 0;
    padding-top: 0 !important;
    overflow: hidden;
  }

  #step-5 .finish-form-main .input-group,
  #step-5 .finish-form-side .input-group,
  #step-5 .finish-grid-full .input-group {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    gap: 0.3rem;
    min-height: 0;
    margin: 0;
    padding: 0 !important;
    overflow: hidden;
  }

  #step-5 .timeline-bar {
    height: 100%;
  }

  #step-5 .timeline-btn {
    min-height: 0;
    height: 100%;
  }

  #step-5 .upload-box {
    height: 100%;
    min-height: 0;
  }

  #step-5 #input-reference,
  #step-5 #input-final-notes {
    height: 100%;
    min-height: 0;
  }

  #step-5 .input-icon-wrapper {
    min-height: 0;
  }

  #view-onboarding .floating-action-btn {
    left: 50%;
    bottom: var(--mobile-onboarding-edge-padding);
    width: var(--mobile-onboarding-content-width);
    transform: translateX(-50%);
    justify-content: space-between;
    gap: clamp(0.7rem, 0.57rem + 0.5vw, 0.9rem);
  }
}