/* Mobile header and navigation, aligned with the legacy Modown interaction. */
.mobile-navigation-backdrop {
  display: none;
}

@media (max-width: 1023px) {
  html.dafa-mobile-nav-open,
  body.dafa-mobile-nav-open {
    overflow: hidden;
    overscroll-behavior: none;
  }

  .site-header {
    z-index: 50;
    background: var(--dafa-surface);
    backdrop-filter: none;
  }

  .site-topbar {
    display: none;
  }

  .header-row {
    position: relative;
    min-height: 64px;
    grid-template-columns: minmax(0, 1fr) 36px minmax(0, 1fr);
    gap: 0;
  }

  .site-branding {
    z-index: 2;
    min-width: 0;
    grid-column: 2;
    grid-row: 1;
    justify-self: center;
  }

  .dafa-brand-svg__svg--desktop {
    display: none;
  }

  .dafa-brand-svg__svg--mobile {
    display: block;
    width: 36px;
    height: 36px;
  }

  .menu-toggle {
    z-index: 63;
    display: inline-grid;
    width: 40px;
    height: 40px;
    grid-column: 1;
    grid-row: 1;
    place-items: center;
    justify-self: start;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--dafa-text);
    cursor: pointer;
  }

  .menu-toggle:hover,
  .menu-toggle:focus-visible,
  .menu-toggle[aria-expanded="true"] {
    background: var(--dafa-surface-muted);
  }

  .menu-toggle > span {
    position: relative;
    display: block;
    width: 22px;
    height: 16px;
    background: linear-gradient(currentColor, currentColor) center / 22px 2px no-repeat;
    font-size: 0;
  }

  .menu-toggle > span::before,
  .menu-toggle > span::after {
    position: absolute;
    left: 0;
    width: 22px;
    height: 2px;
    border-radius: 2px;
    background: currentColor;
    content: "";
    transition: top 0.2s ease, bottom 0.2s ease, transform 0.2s ease;
  }

  .menu-toggle > span::before {
    top: 0;
  }

  .menu-toggle > span::after {
    bottom: 0;
  }

  .menu-toggle[aria-expanded="true"] > span {
    background-size: 0 2px;
  }

  .menu-toggle[aria-expanded="true"] > span::before {
    top: 7px;
    transform: rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] > span::after {
    bottom: 7px;
    transform: rotate(-45deg);
  }

  .header-actions {
    position: relative;
    z-index: 3;
    display: flex;
    height: 64px;
    min-width: 0;
    grid-column: 1 / -1;
    grid-row: 1;
    align-items: center;
    justify-content: flex-end;
    gap: clamp(18px, 4vw, 28px);
    pointer-events: none;
  }

  .header-actions > .header-search,
  .header-actions > .header-ai,
  .header-actions > .header-notice,
  .header-actions > .header-user,
  .header-actions > .header-login-link {
    pointer-events: auto;
  }

  .header-actions > .header-search {
    position: absolute;
    top: 10px;
    left: 42px;
  }

  .header-actions > .header-ai {
    display: inline-flex;
    min-height: 36px;
    align-items: center;
    padding: 0 2px;
    color: var(--dafa-accent-strong);
    font-size: 13px;
    cursor: pointer;
  }

  .header-actions > .header-vip {
    display: none;
  }

  .header-actions > .header-notice {
    margin: 0;
  }

  .header-actions > .header-user,
  .header-actions > .header-login-link {
    flex: 0 0 auto;
  }

  .header-actions .header-icon-btn {
    width: 36px;
    height: 36px;
  }

  .header-actions .header-search__toggle {
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
  }

  .header-actions .header-user__avatar {
    width: 36px;
    height: 36px;
  }

  .header-actions .header-login-link {
    display: inline-flex;
    min-width: 36px;
    min-height: 36px;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    border-radius: 999px;
    font-size: 13px;
  }

  .primary-navigation {
    position: fixed;
    z-index: 61;
    top: 0;
    right: auto;
    bottom: 0;
    left: 0;
    display: block;
    visibility: hidden;
    width: min(86vw, 320px);
    max-height: none;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: calc(68px + env(safe-area-inset-top, 0px)) 12px max(20px, env(safe-area-inset-bottom, 0px));
    border: 0;
    border-right: 1px solid var(--dafa-border);
    border-radius: 0;
    background: var(--dafa-surface);
    box-shadow: 18px 0 44px rgb(23 26 33 / 0.14);
    opacity: 0;
    transform: translateX(-102%);
    transition: transform 0.22s ease, opacity 0.18s ease, visibility 0.22s;
    pointer-events: none;
  }

  .primary-navigation.is-open {
    visibility: visible;
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
  }

  .dafa-mobile-nav-open .site-branding,
  .dafa-mobile-nav-open .header-actions > * {
    visibility: hidden;
    pointer-events: none;
  }

  .dafa-mobile-nav-open .menu-toggle {
    visibility: visible;
    pointer-events: auto;
  }

  .primary-navigation > ul {
    display: block;
    margin: 0;
    padding: 0;
    white-space: normal;
  }

  .primary-navigation > ul > li {
    position: relative;
    margin: 0 0 8px;
    padding: 0 12px;
    border: 1px solid var(--dafa-border);
    border-radius: 12px;
    background: var(--dafa-surface);
  }

  .primary-navigation > ul > li > a {
    display: flex;
    min-height: 48px;
    align-items: center;
    padding: 12px 44px 12px 0;
    line-height: 1.35;
  }

  .primary-navigation .submenu-toggle {
    position: absolute;
    top: 1px;
    right: 1px;
    display: inline-grid;
    width: 44px;
    min-width: 44px;
    height: 46px;
    min-height: 46px;
    place-items: center;
    padding: 0;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: var(--dafa-muted);
    font-size: 0;
    cursor: pointer;
  }

  .primary-navigation .submenu-toggle::before {
    width: 8px;
    height: 8px;
    border-right: 1.75px solid currentColor;
    border-bottom: 1.75px solid currentColor;
    content: "";
    transform: translateY(-2px) rotate(45deg);
    transition: transform 0.18s ease;
  }

  .primary-navigation .submenu-toggle[aria-expanded="true"] {
    color: var(--dafa-accent);
  }

  .primary-navigation .submenu-toggle[aria-expanded="true"]::before {
    transform: translateY(2px) rotate(225deg);
  }

  .primary-navigation .submenu-toggle:hover,
  .primary-navigation .submenu-toggle:focus-visible {
    background: var(--dafa-surface-muted);
    color: var(--dafa-accent);
  }

  .primary-navigation .submenu-toggle:focus-visible {
    outline: 2px solid var(--dafa-accent);
    outline-offset: -2px;
  }

  .primary-navigation .submenu-toggle:active {
    transform: scale(0.97);
  }

  .primary-navigation .sub-menu {
    margin: 0 0 10px;
    padding: 0 0 6px 8px;
  }

  .primary-navigation .sub-menu li {
    position: relative;
  }

  .primary-navigation .sub-menu a {
    display: block;
    min-height: 40px;
    padding: 9px 38px 9px 10px;
    border-radius: 8px;
    color: var(--dafa-text);
    font-size: 14px;
    line-height: 1.5;
  }

  .primary-navigation .sub-menu a:hover,
  .primary-navigation .sub-menu a:focus-visible {
    background: var(--dafa-surface-muted);
    color: var(--dafa-accent);
  }

  .mobile-navigation-actions {
    margin-top: 18px;
    padding-top: 18px;
  }

  .mobile-navigation-backdrop {
    position: fixed;
    z-index: 45;
    inset: 0;
    display: block;
    visibility: hidden;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: rgb(18 22 28 / 0.46);
    opacity: 0;
    transition: opacity 0.2s ease, visibility 0.2s;
    pointer-events: none;
  }

  .mobile-navigation-backdrop.is-visible {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
  }

  .header-search__panel,
  .header-notice__panel,
  .header-user__panel {
    position: fixed;
    z-index: 70;
    top: 72px;
    right: 14px;
    left: 14px;
    width: auto;
    min-width: 0;
    max-height: calc(100dvh - 88px);
    overflow-y: auto;
  }

  .header-search__panel {
    min-width: 0;
    padding: 16px;
  }

  .header-search__panel .scope-search {
    grid-template-columns: 86px minmax(0, 1fr) 72px;
  }

  .header-search__panel .scope-search__select {
    padding-inline: 12px 8px;
    font-size: 13px;
  }

  .header-search__panel .scope-search__field {
    padding-inline: 12px;
    font-size: 16px;
  }

  .header-search__panel .scope-search__submit {
    grid-column: auto;
    min-width: 0;
    padding-inline: 12px;
    border-top: 0;
  }

  .header-search__heading {
    margin-bottom: 12px;
  }

  .header-search__close {
    min-width: 44px;
    min-height: 44px;
    margin-top: -10px;
  }

  .header-search__hint span {
    display: none;
  }

  .header-user__panel {
    width: auto;
  }

  body.admin-bar .primary-navigation {
    top: 32px;
  }

  body.admin-bar .header-search__panel,
  body.admin-bar .header-notice__panel,
  body.admin-bar .header-user__panel {
    top: 104px;
  }
}

@media (max-width: 782px) {
  body.admin-bar .primary-navigation {
    top: 46px;
  }

  body.admin-bar .header-search__panel,
  body.admin-bar .header-notice__panel,
  body.admin-bar .header-user__panel {
    top: 118px;
  }
}

@media (max-width: 479px) {
  .primary-navigation {
    width: min(92vw, 320px);
  }

  .header-actions {
    gap: 4px;
  }
}

@media (max-width: 359px) {
  .header-row {
    width: min(calc(100% - 20px), var(--dafa-container));
  }

  .header-actions > .header-search {
    left: 38px;
  }

  .header-search__panel {
    right: 10px;
    left: 10px;
    padding-inline: 12px;
  }

  .header-search__panel .scope-search {
    grid-template-columns: 78px minmax(0, 1fr) 64px;
  }

  .header-search__panel .scope-search__select,
  .header-search__panel .scope-search__field,
  .header-search__panel .scope-search__submit {
    padding-inline: 10px;
  }

  .header-actions > .header-notice {
    margin-right: 0;
  }

  .header-actions > .header-ai {
    padding-inline: 0;
    font-size: 12px;
  }

  .header-actions .dafa-ai-icon {
    width: 14px;
    height: 14px;
    margin-right: 3px;
  }

  .header-actions .header-icon-btn,
  .header-actions .header-user__avatar,
  .header-actions .header-login-link {
    width: 34px;
    height: 34px;
    min-width: 34px;
    min-height: 34px;
  }

  .header-actions .header-search__toggle {
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .primary-navigation,
  .mobile-navigation-backdrop,
  .menu-toggle > span::before,
  .menu-toggle > span::after,
  .primary-navigation .submenu-toggle::before {
    transition: none;
  }
}