/* R10 integrations and tablet layout fixes. */

.site-ad {
  min-width: 0;
  overflow: hidden;
  border-radius: var(--ui-card-radius);
}

.site-ad iframe,
.site-ad img,
.site-ad > div {
  max-width: 100%;
}

.site-ad--post-foot {
  margin-top: 15px;
}

.sidebar-ad {
  position: sticky;
  top: var(--sidebar-top);
}

.sidebar-ad .ads {
  position: static;
}

/* Mid-width portrait tablets: reserve enough space for the full logo. */
@media screen and (min-width: 1043px) and (max-width: 1290px) {
  .site-header__inner {
    grid-template-columns: minmax(180px, 1fr) minmax(300px, 520px) minmax(180px, 1fr);
  }

  .site-header__add-button {
    width: 44px;
    padding: 0;
  }

  .site-header__add-button span {
    display: none;
  }
}

/* Tablet landscape: left navigation becomes a drawer; content gains the right rail. */
@media screen and (orientation: landscape) and (min-width: 900px) and (max-width: 1290px) and (max-height: 900px) {
  .site-header__inner {
    width: calc(100% - 32px);
    max-width: 944px;
    padding: 0;
    display: grid;
    grid-template-columns: 212px minmax(260px, 1fr) 96px;
    gap: 12px;
  }

  .site-header__left {
    gap: 8px;
  }

  .site-header__burger {
    display: inline-flex;
  }

  .site-header__logo {
    position: static;
    transform: none;
  }

  .site-header__logo-image {
    height: 34px;
    max-width: 153px;
  }

  .site-header__search {
    display: flex;
    grid-column: 2;
  }

  .site-header__add-button {
    width: 44px;
    padding: 0;
    display: inline-flex;
  }

  .site-header__add-button span,
  .site-header__quick {
    display: none;
  }

  .cols {
    width: calc(100% - 32px);
    max-width: 944px;
    grid-template-columns: minmax(0, 640px) minmax(220px, 280px);
    gap: 24px;
    padding: 16px 0;
  }

  .col_main {
    min-width: 0;
  }

  .col_right {
    display: block !important;
  }

  .col_left {
    position: fixed;
    top: var(--header-h);
    left: 0;
    z-index: var(--z-drawer);
    width: 320px;
    max-width: 88vw;
    height: calc(100vh - var(--header-h));
    height: calc(100dvh - var(--header-h));
    padding: 18px 12px calc(18px + env(safe-area-inset-bottom));
    background: var(--bg);
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
    transform: translate3d(-102%, 0, 0);
    will-change: transform;
    transition: transform var(--motion-normal) var(--ease-main);
  }

  .col_left.open {
    transform: translate3d(0, 0, 0);
  }

  .sidebar {
    max-height: none;
    margin: 0;
    padding-bottom: 18px;
    row-gap: 14px;
    overflow: visible;
  }

  .sidebar-mobile-tools {
    display: grid;
    gap: 9px;
    padding: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
  }

  #menuOverlay {
    height: calc(100vh - var(--header-h));
    height: calc(100dvh - var(--header-h));
  }

  .col_right_bg,
  .col_right_bg_comm {
    border-radius: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .col_left {
    transition: none !important;
  }
}