/* PDFbat AI page: ChatGPT style app layout */
body.ai-app { height: 100vh; height: 100dvh; overflow: hidden; display: flex; flex-direction: column; }
body.ai-app #app { flex: 1; min-height: 0; display: flex; }
.i.xs { width: 12px; height: 12px; }

.aic { flex: 1; min-width: 0; min-height: 0; display: grid; grid-template-columns: 268px minmax(0, 1fr); position: relative; transition: grid-template-columns .2s ease; }
.aic.side-closed { grid-template-columns: 0 minmax(0, 1fr); }
.aic-side { min-width: 0; overflow: hidden; display: flex; flex-direction: column; background: var(--bg); border-right: 1px solid var(--border); }
.aic.side-closed .aic-side { visibility: hidden; border-right: 0; }
.aic-side > * { flex: none; min-width: 268px; box-sizing: border-box; }
.aic-side-top { display: flex; align-items: center; gap: 6px; padding: 10px 10px 6px; }
.aic-new { flex: 1; display: flex; align-items: center; gap: 10px; height: 40px; padding: 0 12px; border: 1px solid var(--border-strong); border-radius: 12px; background: var(--surface); color: var(--text); font: inherit; font-weight: 600; font-size: 14px; cursor: pointer; box-shadow: var(--shadow-sm), inset 0 -2px 0 rgba(0, 0, 0, .04); }
.aic-new:hover { background: var(--surface-2); }
.aic-iconbtn { flex: none; width: 38px; height: 38px; display: grid; place-items: center; border: 0; background: none; border-radius: 10px; color: var(--text-2); cursor: pointer; }
.aic-iconbtn:hover { background: var(--surface-3); color: var(--text); }
.aic-search-wrap { position: relative; margin: 4px 10px 6px; width: auto; min-width: 248px; }
.aic-search-wrap .i { position: absolute; left: 11px; top: 11px; color: var(--muted); pointer-events: none; }
.aic-search { height: 36px !important; padding-left: 34px !important; border-radius: 10px !important; background: var(--surface) !important; font-size: 14px !important; }
.aic-list { flex: 1 1 auto; min-height: 0; overflow-y: auto; padding: 4px 8px 12px; overscroll-behavior: contain; }
.aic-group { font-size: 11.5px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; padding: 14px 8px 6px; }
.aic-item { position: relative; display: flex; align-items: center; border-radius: 10px; }
.aic-item:hover { background: var(--surface-3); }
.aic-item.on { background: var(--surface); box-shadow: var(--shadow-sm); outline: 1px solid var(--border); }
.aic-item-main { flex: 1; min-width: 0; display: grid; gap: 1px; padding: 8px 6px 8px 10px; border: 0; background: none; text-align: left; font: inherit; color: var(--text); cursor: pointer; border-radius: 10px; }
.aic-item-title { font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.aic-item.on .aic-item-title { font-weight: 600; }
.aic-item-doc { display: flex; align-items: center; gap: 5px; font-size: 12px; color: var(--muted); min-width: 0; }
.aic-item-doc span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.aic-item-more { flex: none; width: 30px; height: 30px; margin-right: 4px; display: grid; place-items: center; border: 0; background: none; border-radius: 8px; color: var(--muted); cursor: pointer; opacity: 0; }
.aic-item:hover .aic-item-more, .aic-item.on .aic-item-more, .aic-item-more:focus-visible { opacity: 1; }
.aic-item-more:hover { background: var(--surface-2); color: var(--text); }
@media (hover: none) { .aic-item-more { opacity: 1; } }
.aic-empty { color: var(--muted); font-size: 13.5px; padding: 14px 10px; margin: 0; line-height: 1.5; }
.aic-usage { border-top: 1px solid var(--border); padding: 10px; }
.aic-plan { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 10px; color: var(--text); }
a.aic-plan:hover { background: var(--surface-3); text-decoration: none; }
.aic-plan > .i { color: var(--accent-text); }
.aic-plan > span { display: grid; line-height: 1.3; }
.aic-plan b { font-size: 13.5px; }
.aic-plan small { font-size: 12px; color: var(--muted); }
.aic-signin { display: grid; gap: 6px; padding: 6px 4px; font-size: 13px; }
.aic-signin span { color: var(--muted); line-height: 1.4; }
.aic-signin .btn { justify-self: start; }

.aic-main { min-width: 0; min-height: 0; display: flex; flex-direction: column; background: var(--surface); }
.aic-bar { flex: none; display: flex; align-items: center; gap: 4px; height: 52px; padding: 0 10px; }
.aic-open, .aic-new-mini { display: none; }
.aic.side-closed .aic-open, .aic.side-closed .aic-new-mini { display: grid; }
.aic-title { display: inline-flex; align-items: center; gap: 6px; min-width: 0; max-width: 60vw; height: 38px; padding: 0 10px; border: 0; background: none; border-radius: 10px; font: inherit; font-size: 16px; font-weight: 600; color: var(--text); cursor: pointer; }
.aic-title span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.aic-title:hover:not(:disabled) { background: var(--surface-2); }
.aic-title:disabled { cursor: default; opacity: 1; }
.aic-title .i { color: var(--muted); }
.aic-grow { flex: 1; }
.aic-main .cx { flex: 1; }
.aic-scrim { display: none; }
.cx-menu.small { width: 200px; }

@media (max-width: 760px) {
  .aic, .aic.side-closed { grid-template-columns: minmax(0, 1fr); }
  .aic-side { position: absolute; z-index: 40; top: 0; bottom: 0; left: 0; width: min(300px, 86vw); transform: translateX(-102%); transition: transform .22s ease, visibility .22s; visibility: hidden; box-shadow: var(--shadow-lg); }
  .aic-side > * { min-width: 0; }
  .aic-search-wrap { min-width: 0; }
  .aic.side-open .aic-side { transform: none; visibility: visible; }
  .aic.side-open .aic-scrim { display: block; position: absolute; inset: 0; z-index: 35; background: rgba(16, 24, 40, .38); }
  .aic-open, .aic-new-mini { display: grid !important; }
  .aic-bar { height: 48px; padding: 0 6px; border-bottom: 1px solid var(--border); }
  .aic-new-mini { order: 3; }
  .aic-title { flex: 1; justify-content: center; max-width: none; font-size: 15px; }
  .aic-grow { display: none; }
  .aic-up { order: 2; }
}