/* =============================================
   Desktop — Client UI responsive adaptation
   Mobile-first: no changes below 768px
   ============================================= */

/* ── Tablet & small desktop (768–1023px) ── */

@media (min-width: 768px) {
  :root {
    --content-max-width: 640px;
  }

  .container {
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }

  .header {
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }

  .bottom-nav-inner {
    max-width: 560px;
  }

  .modal-backdrop {
    align-items: center;
  }

  .modal-content {
    border-radius: var(--radius-xl);
    max-width: 480px;
  }

  .card-interactive:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
  }

  .materials-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }

  .material-card__thumb {
    height: 160px;
  }

  .page-title {
    font-size: 38px;
  }
}

/* ── Desktop with sidebar (1024px+) ── */

@media (min-width: 1024px) {
  :root {
    --content-max-width: 720px;
    --desktop-sidebar-width: 220px;
  }

  body {
    padding-bottom: 0;
  }

  body[data-page="login"],
  body[data-page="register"],
  body[data-page="onboarding"],
  body[data-page="measurement-guide"] {
    padding-bottom: 0;
  }

  /* ── Bottom nav → left sidebar ── */

  .bottom-nav {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: auto;
    width: var(--desktop-sidebar-width);
    padding-bottom: 0;
    z-index: var(--z-header);
  }

  .bottom-nav-inner {
    flex-direction: column;
    height: 100%;
    max-width: none;
    margin: 0;
    border-radius: 0;
    border: none;
    border-right: 1px solid var(--color-border);
    box-shadow: none;
    background: var(--color-surface-solid);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    justify-content: flex-start;
    padding: var(--space-2xl) var(--space-sm) var(--space-lg);
    gap: var(--space-xs);
  }

  .bottom-nav-item {
    flex-direction: row;
    flex: initial;
    height: auto;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    gap: var(--space-sm);
    justify-content: flex-start;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast),
      background var(--transition-fast);
  }

  .bottom-nav-item:hover {
    background: var(--color-primary-bg);
    color: var(--color-primary);
  }

  .bottom-nav-item:active {
    transform: none;
  }

  .bottom-nav-item.active {
    background: var(--color-primary-bg);
  }

  .bottom-nav-item.active .bottom-nav-icon {
    transform: none;
  }

  .bottom-nav-item.active::after {
    display: none;
  }

  .bottom-nav-label {
    font-size: var(--font-size-sm);
  }

  /* ── Header — shift past sidebar ── */

  .header {
    left: var(--desktop-sidebar-width);
  }

  /* ── Page content — shift past sidebar ── */

  .page {
    margin-left: var(--desktop-sidebar-width);
    padding-bottom: var(--space-xl);
  }

  body[data-page="login"] .page,
  body[data-page="register"] .page,
  body[data-page="onboarding"] .page,
  body[data-page="measurement-guide"] .page {
    margin-left: 0;
  }

  body[data-page="login"] .header,
  body[data-page="register"] .header,
  body[data-page="onboarding"] .header,
  body[data-page="measurement-guide"] .header {
    left: 0;
  }

  /* ── FAB ── */

  .fab {
    bottom: var(--space-lg);
  }

  /* ── Toast — center over content area ── */

  .toast {
    left: calc(50% + var(--desktop-sidebar-width) / 2);
  }

  /* ── Modal — keep narrow on desktop ── */

  .modal-content {
    max-width: 480px;
  }

  /* ── Wizard overlays — keep content narrow ── */

  .mw-card {
    max-width: 480px;
  }

  .mw-actions-inner {
    max-width: 480px;
  }

  /* ── Grid spacing ── */

  .grid-2 {
    gap: var(--space-lg);
  }

  /* ── Scroll-x: allow wrapping on desktop ── */

  .scroll-x {
    flex-wrap: wrap;
    overflow-x: visible;
    padding: var(--space-sm) 0;
    margin: 0;
  }

  /* ── Home sections wider spacing ── */

  .home-section .card {
    padding: var(--space-xl);
  }

  /* ── Daily report row grid for more data ── */

  .daily-report-row .flex-between {
    gap: var(--space-lg);
  }
}

/* ── Large desktop (1440px+) ── */

@media (min-width: 1440px) {
  :root {
    --content-max-width: 880px;
    --desktop-sidebar-width: 260px;
  }

  .bottom-nav-item {
    padding: var(--space-md);
    gap: var(--space-md);
  }

  .bottom-nav-label {
    font-size: var(--font-size-base);
  }

  .grid-2,
  .grid-3 {
    gap: var(--space-lg);
  }

  .materials-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
  }

  .material-card__thumb {
    height: 180px;
  }

  .page-title {
    font-size: 42px;
  }

  .hero-greeting {
    font-size: var(--font-size-3xl);
  }

  .section-title {
    font-size: var(--font-size-xl);
  }
}