:root {
  --app-safe-top: calc(max(env(safe-area-inset-top, 0px), var(--telegram-safe-top, 0px)) + var(--telegram-content-top, 0px));
  --app-safe-bottom: calc(max(env(safe-area-inset-bottom, 0px), var(--telegram-safe-bottom, 0px)) + var(--telegram-content-bottom, 0px));
  --app-safe-left: calc(max(env(safe-area-inset-left, 0px), var(--telegram-safe-left, 0px)) + var(--telegram-content-left, 0px));
  --app-safe-right: calc(max(env(safe-area-inset-right, 0px), var(--telegram-safe-right, 0px)) + var(--telegram-content-right, 0px));
}
.ai-screen { display: flex; flex-direction: column; gap: 12px; }
.ai-screen .ai-heading { flex-shrink: 0; }
.ai-screen .page-top { margin-bottom: 13px; }
.ai-screen .quota-card { margin-bottom: 0; }
.ai-scroll { min-height: 0; }
.ai-screen .composer { flex-shrink: 0; margin-top: 0; }
.ai-screen .composer textarea { resize: none; font-size: 16px; min-height: 46px; max-height: 132px; overflow-y: auto; }
.ai-screen .attachments:empty { display: none; }
.ai-screen .chat-history:empty { display: none; }
.ai-screen .composer textarea:focus-visible { outline: none; }
.ai-screen .composer:focus-within { border-color: #b7a1ed80; box-shadow: 0 0 0 2px #b7a1ed0b; }
.modal-open { overscroll-behavior: none; }
.sheet { scroll-padding: 76px 0 24px; -webkit-overflow-scrolling: touch; padding-bottom: max(28px, var(--app-safe-bottom)); }
@media (max-width: 900px) {
  /* A 16px editing font avoids iOS focus zoom; pinch zoom remains available. */
  body:not(.admin-body) input:not([type='checkbox']):not([type='radio']):not([type='range']):not([type='hidden']),
  body:not(.admin-body) textarea,
  body:not(.admin-body) select { font-size: max(16px, 1em) !important; }
  .app-layout { padding-top: var(--app-safe-top); padding-left: max(22px, var(--app-safe-left)); padding-right: max(22px, var(--app-safe-right)); }
  .topbar { height: 76px; }
  .app-main { padding-bottom: calc(100px + var(--app-safe-bottom)); min-height: calc(var(--app-viewport-height, 100dvh) - var(--app-safe-top)); }
  .bottom-nav { padding-bottom: max(12px, var(--app-safe-bottom)); }
  .keyboard-open .bottom-nav { visibility: hidden; pointer-events: none; transform: translate(-50%, 110%); }
  .keyboard-open .toast { bottom: calc(var(--app-viewport-bottom, 0px) + 14px); }
  .keyboard-open .sheet { bottom: var(--app-viewport-bottom, 0px); max-height: calc(var(--app-viewport-height, 100dvh) - 12px); padding-bottom: 18px; }
  .sheet { max-height: min(88dvh, calc(var(--app-viewport-height, 100dvh) - var(--app-safe-top) - 12px)); }
  body[data-page='ai'] .app-layout { position: fixed; top: var(--app-viewport-top, 0px); left: 0; right: 0; height: var(--app-viewport-height, 100dvh); padding-top: var(--app-safe-top); overflow: hidden; }
  body[data-page='ai'] .app-main { display: flex; flex-direction: column; height: 100%; min-height: 0; padding-bottom: calc(78px + var(--app-safe-bottom)); }
  body[data-page='ai'] .topbar { height: 60px; flex: 0 0 60px; }
  body[data-page='ai'] .app-footer { display: none; }
  body[data-page='ai'] #view { min-height: 0; flex: 1; animation: none; }
  .ai-screen { gap: 10px; padding-bottom: 9px; overflow: hidden; }
  .ai-screen .page-top { margin-bottom: 10px; }
  .ai-screen .page-top h1 { font-size: 23px; letter-spacing: -.7px; }
  .ai-screen .page-top .eyebrow { display: none; }
  .ai-screen .page-subtitle { font-size: 11px; margin-top: 5px; }
  .ai-screen .quota-card { padding: 10px 13px; border-radius: 13px; }
  .ai-screen .quota-card strong { font-size: 12px; }
  .ai-screen .quota-card p { font-size: 9px; }
  .ai-screen .quota-count { font-size: 22px; }
  .ai-scroll { flex: 1; overflow-y: auto; overscroll-behavior: contain; scroll-padding: 12px; -webkit-overflow-scrolling: touch; }
  .ai-screen .ai-welcome { padding: 16px 8px 10px; }
  .ai-screen .ai-welcome-icon { width: 45px; height: 45px; border-radius: 15px; margin-bottom: 12px; }
  .ai-screen .ai-welcome-icon svg { width: 24px; height: 24px; }
  .ai-screen .ai-welcome h2 { font-size: 19px; }
  .ai-screen .ai-welcome p { font-size: 12px; margin: 9px auto; }
  .ai-screen .suggestions { margin: 12px 0 6px; }
  .ai-screen .chat-message { font-size: 14px; line-height: 1.7; padding: 13px 14px; }
  .ai-screen .composer { position: relative; bottom: auto; padding: 8px 10px; border-radius: 16px; }
  .ai-screen .composer textarea { min-height: 44px; max-height: min(132px, 23dvh); line-height: 1.45; padding: 7px 3px; }
  .ai-screen .composer-bottom { margin-top: 4px; gap: 6px; }
  .ai-screen .attachment-button { min-height: 36px; }
  .ai-screen .send-button { min-width: 40px; min-height: 40px; }
  .keyboard-open body[data-page='ai'] .app-main { padding-bottom: 0; }
  .keyboard-open body[data-page='ai'] .topbar { height: 46px; flex-basis: 46px; }
  .keyboard-open .ai-screen .page-top { display: none; }
  .keyboard-open .ai-screen .quota-card { padding: 7px 11px; }
  .keyboard-open .ai-screen .quota-card p { display: none; }
  .keyboard-open .ai-screen .quota-count { font-size: 18px; }
  .keyboard-open .ai-screen .composer { margin-bottom: 0; }
}
@media (max-width: 370px) { .app-layout { padding-left: max(16px, var(--app-safe-left)); padding-right: max(16px, var(--app-safe-right)); } }