/* Shared small-screen layout and navigation improvements. */
.site-menu-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: .45rem;
  background: #fffdfa;
  color: var(--slate);
  cursor: pointer;
}

.billing-mobile-signout,
.admin-mobile-signout { display: none; }

.site-menu-toggle:hover,
.site-menu-toggle:focus-visible {
  border-color: var(--harbor);
  outline: 3px solid rgba(128, 180, 200, .35);
  outline-offset: 2px;
}

.site-menu-icon {
  display: grid;
  gap: 4px;
}

.site-menu-icon i {
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .18s ease, opacity .18s ease;
}

.site-menu-toggle[aria-expanded="true"] .site-menu-icon i:first-child {
  transform: translateY(6px) rotate(45deg);
}

.site-menu-toggle[aria-expanded="true"] .site-menu-icon i:nth-child(2) {
  opacity: 0;
}

.site-menu-toggle[aria-expanded="true"] .site-menu-icon i:last-child {
  transform: translateY(-6px) rotate(-45deg);
}

@media (min-width: 761px) {
  .site-menu-toggle { display: none !important; }

  .admin-sidebar {
    min-height: 0;
    max-height: 100vh;
    overflow-y: auto;
    overscroll-behavior-y: contain;
  }
}

@media (max-width: 760px) {
  html,
  body { min-width: 320px; overflow-x: clip; }

  img,
  video,
  iframe { max-width: 100%; }

  #app,
  .billing-main,
  .admin-portal-main,
  .billing-content,
  .admin-content { min-width: 0; }

  .site-menu-toggle { display: inline-flex; }

  html.has-responsive-menus .site-header[data-responsive-menu-container] {
    position: relative;
    width: min(560px, calc(100% - 40px));
    flex-wrap: wrap;
    align-items: center;
    gap: .65rem;
    padding: 14px 0;
  }

  .site-header .brand { min-width: 0; max-width: calc(100% - 60px); }
  .site-header .brand-logo { width: min(212px, 100%); height: auto; object-fit: contain; }

  html.has-responsive-menus .site-header[data-responsive-menu-container] .site-nav {
    display: none;
    width: 100%;
    flex: 0 0 100%;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: .15rem;
    padding: .45rem;
    border: 1px solid var(--line);
    border-radius: .5rem;
    background: #fffdfa;
    box-shadow: 0 12px 28px rgba(37, 59, 69, .1);
  }

  .site-header.is-open .site-nav { display: flex !important; }

  .site-header .site-nav a,
  .site-header .site-nav button {
    display: flex;
    width: 100%;
    min-height: 44px;
    align-items: center;
    padding: .6rem .75rem;
    border-radius: .35rem;
    font-size: .94rem;
    text-align: left;
  }

  .site-header .site-nav a:hover,
  .site-header .site-nav button:hover { background: #eef4f3; text-decoration: none; }

  html.has-responsive-menus .nav[data-responsive-menu-container] {
    display: grid;
    width: min(560px, calc(100% - 40px));
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: .65rem;
    padding: 16px 0;
  }

  .nav .wordmark { min-width: 0; }
  .nav .brand-logo { display: block; width: min(212px, 100%); height: auto; object-fit: contain; }

  html.has-responsive-menus .nav[data-responsive-menu-container] .nav-links {
    display: none;
    width: auto;
    grid-column: 1 / -1;
    flex-direction: column;
    align-items: stretch;
    gap: .15rem;
    margin: 0;
    padding: .45rem;
    border: 1px solid rgba(52, 93, 112, .16);
    border-radius: .5rem;
    background: rgba(255, 253, 250, .98);
    box-shadow: 0 12px 28px rgba(37, 59, 69, .1);
  }

  .nav.is-open .nav-links { display: flex !important; }

  .nav.is-open .nav-links a {
    display: flex;
    min-height: 44px;
    align-items: center;
    padding: .6rem .75rem;
    border-radius: .35rem;
    font-size: .94rem;
  }

  .nav.is-open .nav-links a:hover { background: #eef4f3; }

  .billing-sidebar[data-responsive-menu-container],
  .admin-sidebar[data-responsive-menu-container] {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: .45rem .6rem;
    padding: .65rem .85rem;
  }

  .billing-sidebar .billing-brand,
  .admin-sidebar .admin-brand { grid-column: 1; min-width: 0; margin: 0; }

  .billing-sidebar .site-menu-toggle,
  .admin-sidebar .site-menu-toggle { grid-column: 2; grid-row: 1; }

  .billing-sidebar nav,
  .admin-sidebar nav {
    display: none;
    grid-column: 1 / -1;
    width: 100%;
    max-height: min(58vh, 420px);
    flex-direction: column;
    gap: .18rem;
    overflow: auto;
    padding: .25rem 0 .1rem;
    overscroll-behavior: contain;
  }

  .billing-sidebar.is-open nav,
  .admin-sidebar.is-open nav { display: flex !important; }

  .billing-sidebar nav a,
  .admin-sidebar nav a {
    min-height: 44px;
    flex: 0 0 auto;
    gap: .65rem;
    padding: .58rem .7rem;
    font-size: .9rem;
    white-space: normal;
  }

  .billing-sidebar nav a > span,
  .admin-sidebar nav a > span { width: 1.25rem; display: inline-grid; place-items: center; }

  .billing-sidebar nav a.is-current { box-shadow: inset 3px 0 #4aa5a0; }
  .admin-sidebar nav a.is-current { box-shadow: inset 3px 0 #4aa5a0; }
  .billing-sidebar-footer,
  .admin-sidebar-foot { display: none; }

  .billing-sidebar .billing-mobile-signout,
  .admin-sidebar .admin-mobile-signout {
    display: flex;
    width: 100%;
    min-height: 44px;
    align-items: center;
    gap: .65rem;
    padding: .58rem .7rem;
    border: 0;
    border-radius: .35rem;
    background: transparent;
    color: var(--harbor);
    font: inherit;
    font-size: .9rem;
    text-align: left;
    cursor: pointer;
  }

  .billing-sidebar .billing-mobile-signout:hover,
  .admin-sidebar .admin-mobile-signout:hover { background: rgba(220, 236, 241, .7); }

  .billing-topbar,
  .admin-topbar { min-width: 0; }

  .admin-table-wrap,
  .billing-table-wrap {
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    -webkit-overflow-scrolling: touch;
  }

  .admin-panel,
  .account-detail-card,
  .invoice-detail-card,
  .order-progress-card,
  .order-activity-card { min-width: 0; }

  .admin-page-heading h1,
  .account-page-heading h1,
  .billing-heading h1 { overflow-wrap: anywhere; }

  .admin-panel-heading,
  .billing-panel-heading { flex-wrap: wrap; }

  .admin-order-actions .button,
  .detail-heading-actions .button { min-height: 44px; }

  :focus-visible { scroll-margin-block: 1rem; }
}

@media (max-width: 420px) {
  .site-header .brand-logo,
  .nav .brand-logo { width: min(184px, 100%); }

  .admin-content { padding-inline: .75rem; }
  .billing-content { padding-inline: .8rem; }

  .admin-page-heading,
  .billing-heading,
  .account-page-heading { min-width: 0; }

  .admin-panel-heading > :last-child,
  .billing-panel-heading > :last-child { max-width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .site-menu-icon i { transition: none; }
}