@media (max-width: 900px) {
  .jtv-app .jtv-shell { grid-template-columns: 1fr; }
  .jtv-app .jtv-nav, .jtv-app--admin .jtv-nav { position: fixed; inset: calc(66px + env(safe-area-inset-top)) 0 auto 0; z-index: 45; display: none; width: 100%; height: auto; max-height: calc(100vh - 66px - env(safe-area-inset-top)); max-height: calc(100dvh - 66px - env(safe-area-inset-top)); padding: 16px max(14px, env(safe-area-inset-right)) max(22px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left)); overflow-y: auto; overscroll-behavior: contain; border-right: 0; border-bottom: 1px solid var(--jtv-border); box-shadow: var(--jtv-shadow-lg); }
  .jtv-app .jtv-nav.is-open { display: flex; }
  .jtv-app--technician .jtv-nav, .jtv-app--technician .jtv-nav.is-open { inset: auto 0 0 0; display: grid; max-height: none; overflow: visible; border-bottom: 0; }
  .jtv-app .jtv-nav-toggle { display: inline-flex; min-height: var(--jtv-touch-target); align-items: center; padding: 8px 12px; border: 1px solid var(--jtv-border-strong); border-radius: var(--jtv-radius-sm); background: var(--jtv-surface); color: var(--jtv-text); font-weight: 750; }
  .jtv-app .jtv-grid--2, .jtv-app .jtv-form-grid { grid-template-columns: 1fr; }
  .jtv-app .jtv-form-grid .jtv-field--full { grid-column: auto; }
  .jtv-app--admin .jtv-filterbar { grid-template-columns: 1fr 1fr; }
  .jtv-app--admin .jtv-finance-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  /* Mobile-only hit areas. Do not restyle access administration or public booking.
     Component sheets load later: keep the minimum authoritative, not their visuals. */
  .jtv-app.jtv-app--admin:not(:has([data-view="administrators"])) :is(button, select, textarea, input:not([type="hidden"]):not([type="checkbox"]):not([type="radio"]), summary, a.jtv-button, a.jtv-workspace-tab, .jtv-messages__thread-actions a, [role="button"]) {
    min-height: var(--jtv-touch-target, 44px) !important;
    min-width: var(--jtv-touch-target, 44px) !important;
  }
  /* Preserve the small native checkbox/radio; its associated label is the target. */
  .jtv-app.jtv-app--admin:not(:has([data-view="administrators"])) label:has(> input:is([type="checkbox"], [type="radio"])) {
    min-height: var(--jtv-touch-target, 44px);
    min-width: var(--jtv-touch-target, 44px);
  }
  .jtv-app.jtv-app--admin .jtv-messages__composer {
    grid-template-columns: minmax(0, 1fr) var(--jtv-touch-target, 44px);
  }
  /* Seven separate 44px days, without overlapping adjacent tap targets. */
  .jtv-app.jtv-app--admin .jtv-job-calendar {
    position: fixed;
    inset: auto 16px max(16px, env(safe-area-inset-bottom));
    width: auto;
    max-width: none;
    padding: 8px;
    overflow-x: auto;
  }
  /* CSP may reject the legacy inline display:contents on semantic week rows. */
  .jtv-app.jtv-app--admin .jtv-calendar__days > [role="row"] { display: contents; }
  .jtv-app .jtv-topbar { padding-right: max(14px, env(safe-area-inset-right)); padding-left: max(14px, env(safe-area-inset-left)); }
  .jtv-app .jtv-brand strong { max-width: 180px; overflow: hidden; font-size: .92rem; text-overflow: ellipsis; white-space: nowrap; }
  .jtv-app .jtv-main { padding: 18px max(12px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left)); }
  .jtv-app.jtv-app--technician .jtv-main { padding-bottom: var(--jtv-bottom-nav-clearance); }
  .jtv-app .jtv-page-header { display: grid; }
  .jtv-app .jtv-grid--cards { grid-template-columns: 1fr 1fr; gap: 10px; }
  .jtv-app .jtv-card { padding: 16px; }
  .jtv-app .jtv-card--metric strong { font-size: 1.35rem; }
  .jtv-app--admin .jtv-filterbar, .jtv-app--admin .jtv-finance-grid { grid-template-columns: 1fr; }
  .jtv-app .jtv-kv { grid-template-columns: 1fr; gap: 2px; }
  .jtv-app .jtv-kv dd { margin-bottom: 10px; }
  .jtv-app .jtv-actions { display: grid; }
  .jtv-app .jtv-actions .jtv-button { width: 100%; }
  .jtv-app .jtv-time-fields { grid-template-columns: repeat(3, minmax(0, 1fr)); padding: 12px; }
  .jtv-app .jtv-time-fields__date { grid-column: 1 / -1; }
  .jtv-app .jtv-location-map { height: 240px; }
  .jtv-app .jtv-item-conditional { padding: 12px; }
  .jtv-app :where(input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]), select, textarea) { font-size: 16px; }
  .jtv-app .jtv-modal-backdrop { align-items: end; padding: 8px max(8px, env(safe-area-inset-right)) max(8px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left)); }
  .jtv-app .jtv-modal { width: 100%; max-height: calc(100dvh - 16px - env(safe-area-inset-top) - env(safe-area-inset-bottom)); padding: 20px 16px; border-radius: 20px 20px 12px 12px; }
}

@media (max-width: 390px) {
  .jtv-app.jtv-app--admin .jtv-job-calendar { inset-inline: 1px; padding: 4px; }
  .jtv-app.jtv-app--admin :is(.jtv-calendar__week, .jtv-calendar__days) { gap: 0; min-width: calc(7 * var(--jtv-touch-target, 44px)); }
}

@media (max-width: 340px) {
  .jtv-app .jtv-brand strong { max-width: 150px; }
  .jtv-app .jtv-main { padding-right: max(10px, env(safe-area-inset-right)); padding-left: max(10px, env(safe-area-inset-left)); }
}

@media (max-height: 520px) and (orientation: landscape) {
  .jtv-app .jtv-nav, .jtv-app--admin .jtv-nav { max-height: calc(100dvh - 58px - env(safe-area-inset-top)); }
  .jtv-app .jtv-topbar { min-height: calc(58px + env(safe-area-inset-top)); }
}

@media (prefers-reduced-motion: reduce) {
  .jtv-app *, .jtv-app *::before, .jtv-app *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}