/* SENA mobile keyboard / in-app browser visual viewport fix.
   Cosmetic only: no transport, authentication, storage, or model changes.
   Loaded after existing chat and brand stylesheets. */
@media (max-width: 767px) {
  .ai-chat.is-open .ai-chat__panel {
    position: fixed;
    inset: auto 0 auto 0;
    top: var(--sena-visual-viewport-top, 0px);
    bottom: auto;
    width: 100%;
    height: var(--sena-visual-viewport-height, 100dvh);
    min-height: 0;
    max-height: var(--sena-visual-viewport-height, 100dvh);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 0;
    border-radius: 0;
  }
  .ai-chat.is-open .ai-chat__header {
    min-height: 56px;
    padding: max(7px, env(safe-area-inset-top)) 12px 7px;
  }
  .ai-chat.is-open .ai-chat__menu-context {
    flex: 0 0 auto;
    padding: 6px 10px;
  }
  .ai-chat.is-open .sena-experience {
    padding: 6px 12px 4px;
  }
  .ai-chat.is-open.sena-experience-enabled .ai-chat__panel > .sena-experience {
    flex: 0 1 auto;
    min-height: 0;
    max-height: min(102px, 22dvh);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .ai-chat.is-open .sena-experience__identity {
    display: none;
  }
  .ai-chat.is-open .sena-experience__controls .sena-experience__button {
    min-height: 37px;
    padding: 5px 7px;
    font-size: 12px;
    line-height: 1.25;
  }
  .ai-chat.is-open .sena-experience__status-row {
    margin-top: 3px;
  }
  .ai-chat.is-open .ai-chat__body {
    flex: 1 1 0px;
    height: 0;
    min-height: 0;
    max-height: none;
    overflow-y: auto;
    overscroll-behavior-y: contain;
    -webkit-overflow-scrolling: touch;
    padding: 14px 12px 10px 62px;
  }
  .ai-chat.is-open .ai-chat__quick {
    flex: 0 0 auto;
    flex-wrap: nowrap;
    gap: 8px;
    overflow-x: auto;
    padding: 7px 10px 5px;
  }
  .ai-chat.is-open .ai-chat__quick button {
    flex: 0 0 auto;
    min-height: 35px;
    padding: 6px 10px;
    font-size: 12px;
  }
  .ai-chat.is-open .ai-chat__notice {
    order: 9;
    flex: 0 0 auto;
    min-height: 0;
    max-height: 36px;
    overflow-y: auto;
    padding: 0 12px;
    line-height: 1.3;
  }
  .ai-chat.is-open .ai-chat__composer {
    order: 10;
    position: relative;
    z-index: 2;
    flex: 0 0 auto;
    min-height: 61px;
    margin: 0;
    padding: 8px 12px max(12px, env(safe-area-inset-bottom));
    background: #fff;
    border-top: 1px solid #eadce8;
  }
  .ai-chat.is-open .ai-chat__composer textarea {
    font-size: 16px;
    line-height: 1.35;
    min-height: 43px;
    max-height: 84px;
  }
  .ai-chat.is-open .ai-chat__send {
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
  }
  /* When the on-screen keyboard narrows the visual viewport, the composer
     takes precedence over optional actions; those reappear when it closes. */
  .ai-chat.is-open[data-sena-viewport-compact="true"] .ai-chat__quick {
    display: none;
  }
  .ai-chat.is-open[data-sena-viewport-compact="true"].sena-experience-enabled .ai-chat__panel > .sena-experience {
    max-height: 54px;
  }
  .ai-chat.is-open[data-sena-viewport-compact="true"] .ai-chat__notice {
    max-height: 24px;
  }
  .ai-chat.is-open[data-sena-viewport-compact="true"] .ai-chat__body {
    padding-top: 8px;
  }
}