/* A calm, compact chat surface, using Shakk's existing type and colour tokens. */
.message-row.role-assistant > .assistant-disclaimer {
  order: 999;
  margin: .45rem 0 .1rem;
  color: var(--slate);
  font: 500 .75rem/1.4 var(--font-ui);
}
@media (max-width: 760px) {
  html .chat-main > .composer-area { padding-bottom: max(6px, calc(env(safe-area-inset-bottom) - 20px)); }
  html.composer-keyboard-open .chat-main > .composer-area { padding-bottom: 0; }
  /* Mantém o cabeçalho no topo visível quando o iOS desloca o viewport
     ao abrir o teclado, sem transformar o body ou seus painéis fixos. */
  html.composer-keyboard-open .chat-header {
    transform: translateY(var(--keyboard-pan-top, 0px));
    background: var(--ivory);
  }
}
.chat-header .icon-btn,
.msg-actions .msg-action-btn {
  color: var(--slate);
}
.chat-header .icon-btn svg,
.msg-actions .msg-action-btn svg {
  stroke-width: 1.8;
}
.chat-header .icon-btn:hover,
.msg-actions .msg-action-btn:hover {
  color: var(--ink);
  background: color-mix(in srgb, var(--ink) 6%, transparent);
}
.chat-header .icon-btn:focus-visible,
.chat-composer button:focus-visible {
  outline: 2px solid var(--fluqxo-teal);
  outline-offset: 2px;
}
.chat-composer .composer-surface {
  min-height: 0;
  border-radius: 1.125rem;
  border-color: color-mix(in srgb, var(--ink) 14%, var(--surface));
  background: var(--surface);
  box-shadow: 0 2px 8px rgb(18 31 27 / 7%), 0 12px 28px rgb(18 31 27 / 4%);
}
.chat-composer textarea {
  min-height: 2.75rem;
  padding: .75rem .9rem .25rem;
  line-height: 1.5;
}
.chat-composer .composer-toolbar {
  min-height: 2.75rem;
  padding: .05rem .4rem .35rem;
  gap: .25rem;
}
.chat-composer .composer-icon,
.composer-tools .public-usage > summary {
  width: 2.75rem;
  height: 2.75rem;
  min-width: 2.75rem;
  min-height: 2.75rem;
  border: 0;
  border-radius: .75rem;
  background: transparent;
  box-shadow: none;
  color: var(--slate);
}
.chat-composer .composer-mode {
  min-height: 2.75rem;
  padding-inline: .65rem;
  border: 0;
  border-radius: .75rem;
  box-shadow: none;
  background: transparent;
  color: var(--slate);
}
.chat-composer .composer-mode:hover,
.chat-composer .composer-icon:hover,
.composer-tools .public-usage > summary:hover {
  background: color-mix(in srgb, var(--ink) 6%, transparent);
  color: var(--ink);
}
.chat-composer .composer-send {
  width: 2.75rem;
  height: 2.75rem;
  min-width: 2.75rem;
  border-radius: .8rem;
}
.chat-composer .composer-send:disabled { opacity: .42; }
.disclaimer { padding-inline: 1rem; }
:root[data-theme="dark"] .chat-composer .composer-surface {
  box-shadow: 0 2px 10px rgb(0 0 0 / 20%);
}
@media (max-width: 760px) {
  .chat-composer { padding: .3rem var(--conversation-gutter) .2rem; }
  .chat-composer .composer-surface { border-radius: 1rem; }
  .chat-composer textarea { max-height: min(142px, 28vh); }
  .chat-composer .composer-tools { gap: 0; min-width: 0; }
  .disclaimer { margin-block: .1rem .35rem; }
}
@media (prefers-reduced-motion: reduce) {
  .chat-composer .composer-surface { transition: none; }
}

/* Em repouso, a caixa fica em uma linha. Ao digitar, anexar ou mostrar
   medição de uso, volta ao layout completo com espaço para o conteúdo. */
@supports selector(.composer-surface:has(textarea:placeholder-shown)) {
  @media (min-width: 360px) and (max-width: 760px) {
    .chat-composer .composer-surface:not(:has(#composer-input:focus)):has(#composer-input:placeholder-shown):not(:has(#attachment-preview:not([hidden]))):not(:has(.public-usage:not([hidden]))):not(:has(#composer-edit-banner)) {
      display: grid;
      grid-template-columns: 2.75rem minmax(0, 1fr) auto 2.75rem;
      align-items: center;
      min-height: 3.5rem;
      padding: .25rem;
    }
    .chat-composer .composer-surface:not(:has(#composer-input:focus)):has(#composer-input:placeholder-shown):not(:has(#attachment-preview:not([hidden]))):not(:has(.public-usage:not([hidden]))):not(:has(#composer-edit-banner)) :is(.composer-toolbar, .composer-tools) { display: contents; }
    .chat-composer .composer-surface:not(:has(#composer-input:focus)):has(#composer-input:placeholder-shown):not(:has(#attachment-preview:not([hidden]))):not(:has(.public-usage:not([hidden]))):not(:has(#composer-edit-banner)) #btn-attach { grid-column: 1; grid-row: 1; }
    .chat-composer .composer-surface:not(:has(#composer-input:focus)):has(#composer-input:placeholder-shown):not(:has(#attachment-preview:not([hidden]))):not(:has(.public-usage:not([hidden]))):not(:has(#composer-edit-banner)) #composer-input { grid-column: 2; grid-row: 1; min-width: 0; min-height: 2.75rem; padding: .55rem .15rem; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
    .chat-composer .composer-surface:not(:has(#composer-input:focus)):has(#composer-input:placeholder-shown):not(:has(#attachment-preview:not([hidden]))):not(:has(.public-usage:not([hidden]))):not(:has(#composer-edit-banner)) #btn-mode { grid-column: 3; grid-row: 1; padding-inline: .3rem; }
    .chat-composer .composer-surface:not(:has(#composer-input:focus)):has(#composer-input:placeholder-shown):not(:has(#attachment-preview:not([hidden]))):not(:has(.public-usage:not([hidden]))):not(:has(#composer-edit-banner)) .composer-send { grid-column: 4; grid-row: 1; }
  }
}

/* A tela expandida começa abaixo da barra de estado do aparelho. */
@media (max-width: 760px) {
  .chat-main.code-focus .agent-panel-header {
    padding-top: calc(max(env(safe-area-inset-top, 0px), 1rem) + .625rem);
  }
}
#btn-agent-restore[hidden] { display: none !important; }
@media (max-width: 760px) {
  .chat-main > .composer-area > .disclaimer { margin: .1rem auto 0; padding: .05rem 1rem; }
  .chat-main > .composer-area > .chat-composer { padding-bottom: .1rem; }
}

/* Remote choices share Chat's menu and typography, while retaining native fallbacks. */
.agent-choice.is-enhanced::after { content: none; }
.agent-choice.is-enhanced select[hidden] { display: none; }
.agent-composer .remote-choice-trigger {
  min-height: 44px; max-width: 100%; gap: .4rem;
  padding: .35rem .55rem; border: 0; border-radius: .75rem;
  background: transparent; color: var(--slate);
  font: 600 .82rem/1.35 var(--font-ui); cursor: pointer;
}
.remote-choice-trigger > span:first-child { overflow: hidden; text-overflow: ellipsis; }
.remote-choice-chevron { width: 6px; height: 6px; border: solid currentColor; border-width: 0 1.5px 1.5px 0; transform: translateY(-2px) rotate(45deg); flex: none; }
.remote-choice-trigger:hover, .remote-choice-trigger[aria-expanded="true"] { background: color-mix(in srgb, var(--ink) 6%, transparent); color: var(--ink); }
.remote-choice-trigger:disabled { opacity: .45; cursor: default; }
.remote-choice-trigger:focus-visible, .remote-choice-menu button:focus-visible { outline: 2px solid var(--accent-ink, var(--fluqxo-teal)); outline-offset: 2px; }
.remote-choice-backdrop { z-index: 1601; }
.remote-choice-menu { position: fixed; z-index: 1602; overflow-y: auto; overscroll-behavior: contain; }
.remote-choice-menu .mode-option { min-height: 48px; }
.remote-choice-menu .mode-option-copy small { display: block; line-height: 1.45; margin-top: 3px; }
.remote-choice-menu .mode-option:disabled { opacity: .45; cursor: not-allowed; }
.remote-choice-menu .mode-check { color: var(--accent-ink, var(--fluqxo-teal)); }
.agent-composer .composer-tools { gap: 0; }
.agent-composer .composer-toolbar { align-items: flex-end; }

@media (max-width: 768px) {
  :root { --composer-bottom-gap: max(8px, env(safe-area-inset-bottom, 0px)); }
  html.composer-keyboard-open { --composer-bottom-gap: 0px; }
  html .chat-main > .composer-area { padding-bottom: 0; margin-bottom: 0; }
  html .chat-main > .composer-area > .chat-composer,
  html .chat-main .agent-composer { padding-bottom: var(--composer-bottom-gap); }
}

/* Identidade única (app Android): no celular, menus de modo/permissão viram folhas inferiores com opções em cartões e seleção em círculo. */
@media (max-width: 760px) {
  .mode-backdrop:not([hidden]) { background: rgba(16, 25, 35, .36); z-index: 1601; }
  .mode-popover, .remote-choice-menu {
    position: fixed !important; left: 0 !important; right: 0 !important; bottom: 0 !important; top: auto !important;
    width: auto !important; max-height: 85vh !important; overflow-y: auto; z-index: 1602;
    border: 0; border-radius: 24px 24px 0 0; background: var(--surface);
    padding: .9rem 1rem calc(1.1rem + env(safe-area-inset-bottom)); box-shadow: 0 -10px 32px rgba(16, 25, 35, .22);
  }
  .mode-popover::before, .remote-choice-menu::before {
    content: ""; display: block; width: 36px; height: 4px; border-radius: 2px; margin: 0 auto .8rem; background: var(--border);
  }
  .mode-popover-title { font-size: 1.05rem; font-weight: 600; color: var(--ink); margin: 0 .25rem .7rem; text-transform: none; letter-spacing: 0; }
  .mode-popover .mode-option, .remote-choice-menu .mode-option {
    display: flex; flex-direction: row; align-items: center; gap: .9rem; width: 100%; min-height: 56px;
    margin: 0 0 .4rem; padding: .7rem .9rem; border: 0; border-radius: 16px; background: var(--ivory); text-align: left;
  }
  .mode-option::before {
    content: ""; flex: none; box-sizing: border-box; width: 24px; height: 24px; border-radius: 50%;
    border: 1.5px solid var(--border); display: grid; place-items: center; color: var(--surface); font-size: 14px; font-weight: 700;
  }
  .mode-option.is-active::before { content: "✓"; background: var(--accent-ink); border-color: var(--accent-ink); }
  .mode-option .mode-check { display: none; }
  .mode-option .mode-option-copy { flex: 1; min-width: 0; }
  .mode-option.is-active .mode-option-copy strong { color: var(--accent-ink); }
  .mode-popover .thinking-toggle { margin-top: .6rem; border-radius: 16px; background: var(--ivory); padding: .8rem .9rem; }
}
@media (max-width: 760px) {
  .mode-popover .thinking-toggle { margin: .6rem 0 0; width: 100%; box-sizing: border-box; }
  .thinking-toggle input[type="checkbox"] {
    appearance: none; -webkit-appearance: none; flex: none; width: 46px; height: 28px; border-radius: 14px; margin-left: .75rem;
    background: var(--border); position: relative; transition: background .15s ease; cursor: pointer;
  }
  .thinking-toggle input[type="checkbox"]::after {
    content: ""; position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%; background: #fff; transition: transform .15s ease;
  }
  .thinking-toggle input[type="checkbox"]:checked { background: var(--accent-ink); }
  .thinking-toggle input[type="checkbox"]:checked::after { transform: translateX(18px); }
}

.agent-choice[hidden] { display: none; }

/* Chave de privacidade no mesmo formato do app Android. */
.privacy-toggle input[type="checkbox"] {
  appearance: none; -webkit-appearance: none; flex: none; width: 46px; height: 28px; border-radius: 14px; margin-left: .75rem;
  background: var(--border); position: relative; transition: background .15s ease; cursor: pointer;
}
.privacy-toggle input[type="checkbox"]::after { content: ""; position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%; background: #fff; transition: transform .15s ease; }
.privacy-toggle input[type="checkbox"]:checked { background: var(--accent-ink); }
.privacy-toggle input[type="checkbox"]:checked::after { transform: translateX(18px); }
.privacy-toggle input[type="checkbox"]:disabled { opacity: .5; cursor: default; }

/* Identidade única: entrada com faixa de marca em teal e o cubo riscado (mesma arte do app Android). */
.login-hero { display: none; }
.login-split-copy { background: linear-gradient(180deg, #2e948b, #16524d); }
.login-split-copy .login-art { display: block; width: 200px; height: 200px; margin: 0 0 1rem; }
.login-split-copy-inner h1 { font-family: var(--font-prose); font-weight: 500; letter-spacing: 0; }
.login-split-list strong { color: #f6c945; }
@media (max-width: 860px) {
  .login-split-form { padding: 0 0 3rem; flex-direction: column; align-items: stretch; justify-content: flex-start; background: var(--ivory); }
  .login-hero {
    display: flex; flex-direction: column; align-items: center; text-align: center; color: #f7f4ed;
    padding: calc(1rem + env(safe-area-inset-top)) 1.5rem 1.6rem; border-radius: 0 0 40px 40px;
    background: linear-gradient(180deg, #2e948b, #16524d);
  }
  .login-hero-brand { display: flex; align-items: center; gap: .5rem; font: 800 1.5rem var(--font-brand); letter-spacing: -.01em; }
  .login-hero-brand .brand-mark { width: 28px; height: 28px; filter: brightness(0) invert(1); }
  .login-hero .login-art { width: min(230px, 62vw); height: auto; margin: .4rem 0; }
  .login-hero-title { font: 500 1.75rem/1.28 var(--font-prose); margin: 0; }
  .login-hero-sub { margin: .5rem 0 0; color: rgba(247, 244, 237, .82); font-size: 1rem; line-height: 1.45; }
  .login-split-brand-mobile, .login-split-form-inner > h2, .login-split-form-lede {
    position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
  }
  .login-split-form-inner { max-width: 440px; margin: 0 auto; padding: 1.5rem 1.5rem 0; box-sizing: border-box; }
  .login-box.login-box-page { border: 0; box-shadow: none; background: transparent; padding: 0; }
}

/* Nome "shakk." desenhado à mão (o mesmo do app Android) e rodapé da entrada. */
.login-wordmark { display: block; height: 34px; width: auto; }
.login-split-brand .login-wordmark { height: 40px; }
.login-hero-brand { justify-content: center; }
.login-terms { margin: 1.4rem 0 0; text-align: center; color: var(--slate); font-size: .85rem; line-height: 1.5; }
.login-terms a { color: var(--ink); text-decoration: underline; }
.login-foot-brand { display: flex; align-items: center; justify-content: center; gap: .4rem; margin: 1.2rem 0 0; color: var(--ink); font-size: .95rem; }
.login-foot-brand .brand-mark { width: 20px; height: 20px; }
.login-foot-brand .foot-name { font-family: var(--font-prose); font-weight: 700; }
.login-foot-brand .foot-by { font-family: var(--font-prose); font-style: italic; color: var(--slate); }
.login-foot-brand .foot-fluqxo { color: var(--accent-ink); font-weight: 700; letter-spacing: .14em; }

/* Botão do Google como no app: pílula branca com contorno. */
#btn-google.btn { background: var(--surface); color: var(--ink); border: 1.5px solid var(--border); border-radius: 999px; min-height: 52px; font-weight: 600; }
#btn-google.btn:hover:not(:disabled) { background: color-mix(in srgb, var(--ink) 4%, var(--surface)); }

/* Início no estilo do app Android: marca com brilho, saudação com o nome em destaque e a pergunta em Literata. */
#empty-state .home-mark { width: 64px; height: 64px; filter: drop-shadow(0 0 26px color-mix(in srgb, var(--fluqxo-teal) 38%, transparent)); }
#empty-state h1 { font-weight: 600; }
.home-greeting-name { background: linear-gradient(90deg, var(--accent-ink), var(--signal)); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
.home-subtitle { margin: .35rem 0 .7rem; color: var(--slate); font: 400 1.2rem/1.4 var(--font-prose); text-align: center; }
.home-subtitle[hidden] { display: none; }
.chat-main.is-home { background: linear-gradient(180deg, color-mix(in srgb, var(--fluqxo-teal) 9%, var(--ivory)) 0%, var(--ivory) 55%); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .chat-main.is-home { background: none; } }
:root[data-theme="dark"] .chat-main.is-home { background: none; }