/* Phone buyer layout. Theme colors and desktop rules remain in style.css. */
@media (max-width: 720px) {
  :root {
    --mobile-nav-height: 76px;
    --cart-checkout-space: 220px;
  }
  body { padding-bottom: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom)); }
  .topbar { display: grid; grid-template-columns: minmax(0, 1fr) 44px 64px; gap: 8px; padding: 10px 12px; }
  .brand { min-width: 0; min-height: 44px; }
  .brand-mark { flex: 0 0 36px; width: 36px; height: 36px; }
  .brand-text { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 18px; }
  .account-slot { grid-column: 3; width: 64px; max-width: 64px; min-width: 0; }
  .account-slot #authArea { display: block; position: relative; }
  .account-slot #authArea > a { min-width: 44px; width: 100%; min-height: 44px; padding: 8px; }
  .account-slot .user-menu > button { max-width: 64px; padding: 8px 4px; font-size: 12px; }
  .account-slot .member-badge { position: absolute; right: 0; top: -4px; padding: 2px 5px; font-size: 10px; gap: 2px; }
  .account-slot .member-badge .crown { font-size: 11px; }
  .account-slot .user-menu:has(.member-badge) > button { margin-top: 8px; }
  .user-dropdown { max-width: calc(100vw - 24px); }
  #storeNav { gap: 0; padding-left: 4px; padding-right: 4px; min-height: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom)); }
  #storeNav > a { min-width: 44px; min-height: 60px; padding-left: 0; padding-right: 0; font-size: 12px; white-space: nowrap; }
  #storeNav .nav-admin { top: 16px; right: 84px; width: 44px; min-height: 44px; }
  .admin-view .topbar { grid-template-columns: minmax(0, 1fr) auto; }
  #adminNav { grid-column: 2; }
  .admin-view .brand-text { font-size: 16px; }
  .home-order-link { display: inline-flex; align-items: center; min-height: 44px; font-size: 12px; }
  .home-heading { margin-bottom: 12px; }
  .page { padding-top: 18px; }
  .hero { padding: 16px; margin-bottom: 16px; }
  .hero h2 { font-size: 22px; line-height: 1.3; margin: 8px 0; }
  .hero p, .hero .journey { display: none; }
  .hero-label { font-size: 11px; }
  .hero-copy > .hero-label { display: block; padding-right: 36px; }
  .hero-art { width: 44px; top: 8px; right: 8px; }
  .journey { margin-top: 12px; gap: 8px; }
  .journey li { font-size: 11px; }
  .member-promo { margin: 16px 0; padding: 14px; gap: 10px; }
  .member-promo-copy { flex-basis: 100%; }
  .member-promo-copy h2 { margin: 5px 0 7px; font-size: 18px; }
  .member-promo-copy .hero-label { margin: 0; }
  .member-promo-points { font-size: 12px; line-height: 1.55; padding-left: 17px; }
  .member-promo-points li { margin: 2px 0; }
  .member-promo-side { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 6px 10px; padding: 0; border: 0; }
  .member-promo-price { font-size: 23px; }
  .member-promo-price small { display: block; font-size: 11px; line-height: 1.5; }
  .member-promo-side .btn { padding: 8px 10px; font-size: 12px; }
  .member-promo-side > .page-sub { grid-column: 1 / -1; font-size: 12px; }
  .member-promo-badge { justify-self: start; }
  input, select, textarea { min-width: 0; font-size: 16px; }
  .form-row > span, .hint, .course-hint { font-size: 13px; line-height: 1.65; }
  .form-grid > *, .detail > *, .page-head > *, .tool-row > *, .order-items .row > * { min-width: 0; }
  .page-head { flex-wrap: wrap; }
  .page-title, .detail h1, .product-name, .cart-line-name, .prog-name,
  .order-no, .page-sub, .course-block h4, .course-options label, .membership-rules, .order-items .row { overflow-wrap: anywhere; }
  .course-options label { min-height: 44px; padding: 10px 0; }
  .product-desc { font-size: 12px; }
  .product-cta { font-size: 12px; min-height: 44px; display: flex; align-items: center; justify-content: space-between; }
  .product-actions > .page-sub, .product-actions > .qty { flex-basis: 100%; }
  .product-actions > .btn { flex: 1; padding: 10px 8px; }
  .request-banner > div { min-width: 0; }
  .cart-page { padding-bottom: var(--cart-checkout-space); }
  .cart-line { gap: 10px; }
  .cart-line-main { min-width: 0; flex-basis: calc(100% - 66px); }
  .cart-emoji { flex-shrink: 0; }
  .cart-line-sub { font-size: 13px; }
  .cart-line .qty { flex-shrink: 0; width: 138px; }
  .cart-checkout-panel {
    position: fixed; z-index: 45; left: 12px; right: 12px;
    bottom: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom) + 8px);
    max-height: calc(100vh - var(--mobile-nav-height) - env(safe-area-inset-bottom) - 100px);
    max-height: calc(100dvh - var(--mobile-nav-height) - env(safe-area-inset-bottom) - 100px);
    overflow: auto; padding: 12px; background: var(--card); border: 2px solid var(--primary-line);
    border-radius: 16px; box-shadow: 0 4px 16px #00000018;
  }
  .cart-checkout-panel .cart-summary { display: grid; grid-template-columns: minmax(0, 1fr) auto; margin: 0; padding: 0; border: 0; gap: 10px; }
  .cart-checkout-panel .cart-summary > .page-sub { margin: 0; font-size: 12px; line-height: 1.6; }
  .cart-checkout-panel .cart-summary > div { text-align: right; }
  .cart-checkout-panel .cart-summary > div > .page-sub { display: block; margin-right: 0 !important; font-size: 12px; }
  .cart-checkout-panel .cart-actions { margin-top: 10px !important; flex-wrap: nowrap !important; }
  .cart-actions .btn { flex: 1; padding: 10px 8px; font-size: 13px; }
  .order-items .row { flex-wrap: wrap; align-items: flex-start; }
  .prog-name { font-size: 15px; }
  .prog-line, .prog-line.page-sub { font-size: 13px; }
  .step { font-size: 12px; }
  .modal { padding: 12px; }
  .modal-box { padding: 18px; max-height: calc(100vh - 24px); max-height: calc(100dvh - 24px); overflow: auto; overscroll-behavior: contain; overflow-wrap: anywhere; }
  .modal-actions { position: sticky; bottom: -18px; margin: 14px -18px -18px; padding: 12px 18px 18px; background: var(--card); border-top: 1px solid var(--line); flex-wrap: wrap; }
  .modal-actions .btn { flex: 1; min-width: 44px; }
  .toast { bottom: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom) + 14px); }
}