/* Oráculo Kiaiá — interface do chat */

:root {
  --sidebar-bg: #171717;
  --main-bg: #212121;
  --surface-hover: rgba(255, 255, 255, 0.06);
  --border-subtle: rgba(255, 255, 255, 0.1);
  --text: #ececec;
  --text-secondary: #9b9b9b;
  --user-bubble: #2f2f2f;
  --composer-bg: #2f2f2f;
  --send-active: #fff;
  --send-idle: #676767;
  --scrollbar-thumb: rgba(255, 255, 255, 0.18);
  --scrollbar-thumb-hover: rgba(255, 255, 255, 0.28);
  /* Scroll principal (coluna): mais grosso, estilo ChatGPT */
  --scrollbar-main-track: rgba(255, 255, 255, 0.06);
  --scrollbar-main-thumb: rgba(255, 255, 255, 0.28);
  --scrollbar-main-thumb-hover: rgba(255, 255, 255, 0.42);
  /* Listas Recentes na sidebar (#171717) e no menu móvel (#000): polegar discreto como na referência, track transparente */
  --nav-scrollbar-thumb: #424242;
  --nav-scrollbar-thumb-hover: #525252;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--main-bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
  touch-action: none;
}

.app {
  display: flex;
  height: 100%;
  min-height: 0;
}

.desktop-only {
  display: flex;
}

.mobile-only {
  display: none !important;
}

/* Sidebar (desktop) */

.sidebar {
  width: 260px;
  min-width: 260px;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border-subtle);
  flex-direction: column;
  /* Sem padding-right: a área de scroll (.session-list) vai até à borda; o conteúdo mantém o inset com regras abaixo. */
  padding: 0.5rem 0 0.5rem 0.65rem;
  display: flex;
}

.sidebar-new-chat {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  min-height: 44px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border-subtle);
  border-radius: 0.5rem;
  background: transparent;
  color: var(--text);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s ease;
}

.sidebar-new-chat:hover {
  background: var(--surface-hover);
}

.sidebar-new-chat svg {
  width: 18px;
  height: 18px;
  opacity: 0.85;
}

.sidebar .sidebar-new-chat {
  width: auto;
  margin-right: 0.65rem;
}

.sidebar .sessions-recent__label {
  padding-right: 0.65rem;
  box-sizing: border-box;
}

.sidebar .session-list__entry {
  padding-right: calc(0.25rem + 0.65rem);
}

.sessions-recent {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  margin-top: 0.6rem;
}

.sessions-recent__label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary, #9a9a9a);
  margin: 0 0 0.4rem 0.15rem;
}

.session-list {
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  scrollbar-width: thin;
}

/* Sidebar + menu móvel: barra estreita, sem track visível (Chrome/Safari/Edge + Firefox scrollbar-color); em iOS/Android o SO pode manter scrollbar nativa até ao gesto — sem conflitos com esta cor. */
.sidebar .session-list,
.mobile-menu .session-list,
.mobile-menu__acct-dd {
  scrollbar-width: thin;
  scrollbar-color: var(--nav-scrollbar-thumb) transparent;
}

.sidebar .session-list::-webkit-scrollbar,
.mobile-menu .session-list::-webkit-scrollbar,
.mobile-menu__acct-dd::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

.sidebar .session-list::-webkit-scrollbar-track,
.mobile-menu .session-list::-webkit-scrollbar-track,
.mobile-menu__acct-dd::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar .session-list::-webkit-scrollbar-thumb,
.mobile-menu .session-list::-webkit-scrollbar-thumb,
.mobile-menu__acct-dd::-webkit-scrollbar-thumb {
  background-color: var(--nav-scrollbar-thumb);
  border-radius: 999px;
}

.sidebar .session-list::-webkit-scrollbar-thumb:hover,
.mobile-menu .session-list::-webkit-scrollbar-thumb:hover,
.mobile-menu__acct-dd::-webkit-scrollbar-thumb:hover {
  background-color: var(--nav-scrollbar-thumb-hover);
}

.session-list__item {
  margin: 0.1rem 0;
}

.session-list__row {
  display: flex;
  align-items: center;
  min-width: 0;
  width: 100%;
}

/* Bloco único: título full-width; ⋯ em posição absoluta. Sem hover, texto usa o espaço do ⋯. */
.session-list__entry {
  --session-kebab-reserve: 0px;
  position: relative;
  display: flex;
  align-items: center;
  min-width: 0;
  flex: 1;
  width: 100%;
  padding: 0.1rem 0.25rem 0.1rem 0.4rem;
  border-radius: 0.5rem;
  background: transparent;
  transition: background 0.12s ease;
  box-sizing: border-box;
}

/* Só com rato em cima: realce. Não usar :focus-within no item — o clique no título focava o btn e deixava os ⋯ “presos”. */
.session-list__item:hover .session-list__entry {
  --session-kebab-reserve: 1.7rem;
  background: var(--surface-hover, rgba(255, 255, 255, 0.05));
}

.session-list__item:has(.session-list__menu.is-open) .session-list__entry,
.session-list__item:has(.session-list__kebab:focus-visible) .session-list__entry {
  --session-kebab-reserve: 1.7rem;
}

.session-list__item--active .session-list__entry {
  background: rgba(255, 255, 255, 0.1);
}

.session-list__item--active .session-list__btn {
  font-weight: 500;
}

.session-list__btn {
  display: block;
  flex: 1;
  min-width: 0;
  width: 100%;
  text-align: left;
  border: none;
  border-radius: 0;
  background: transparent;
  color: var(--text, #ececec);
  font-size: 0.9rem;
  line-height: 1.25;
  padding: 0.4rem 0.1rem 0.4rem 0.1rem;
  padding-right: calc(0.12rem + var(--session-kebab-reserve, 0px));
  margin: 0;
  cursor: pointer;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: inherit;
  box-sizing: border-box;
  transition: padding-right 0.16s ease;
}

.session-list__title-input {
  flex: 1;
  min-width: 0;
  box-sizing: border-box;
  display: block;
  width: 100%;
  text-align: left;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 0.4rem;
  background: rgba(0, 0, 0, 0.3);
  color: var(--text, #ececec);
  font-size: 0.8rem;
  line-height: 1.25;
  padding: 0.4rem 0.5rem;
  font-family: inherit;
  outline: none;
  white-space: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
}

.session-list__title-input:focus {
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(0, 0, 0, 0.4);
}

.session-list__item--active .session-list__entry .session-list__title-input {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(0, 0, 0, 0.25);
}

.session-list__menu {
  position: absolute;
  right: 0.1rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  pointer-events: none;
}

.session-list__item:hover .session-list__menu,
.session-list__menu.is-open,
.session-list__item:has(.session-list__kebab:focus-visible) .session-list__menu {
  pointer-events: auto;
}

/* ⋯ alinhado à direita do bloco, sem “caixa” no hover: só o símbolo ganha leve realce. */
.session-list__kebab {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 1.4rem;
  min-height: 1.4rem;
  padding: 0.1rem;
  border: none;
  box-shadow: none;
  background: transparent;
  color: var(--text-secondary, #b0b0b0);
  font-size: 1.05rem;
  line-height: 1;
  letter-spacing: 0.02em;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  border-radius: 0.25rem;
  transition: opacity 0.12s ease, color 0.12s ease;
}

.session-list__item:hover .session-list__kebab,
.session-list__menu.is-open .session-list__kebab,
.session-list__item:has(.session-list__kebab:focus-visible) .session-list__kebab {
  opacity: 1;
  pointer-events: auto;
}

.session-list__kebab:hover,
.session-list__kebab:focus-visible {
  background: transparent;
  color: var(--text, #ececec);
  outline: none;
  box-shadow: none;
}

/* Telemóvel: slot fixo para os ⋯ e menu clicável. */
@media (hover: none) {
  .session-list__entry {
    --session-kebab-reserve: 1.7rem;
  }

  .session-list__menu {
    pointer-events: auto;
  }

  .session-list__kebab {
    opacity: 0.35;
    pointer-events: auto;
  }

  .session-list__item:active .session-list__kebab,
  .session-list__menu.is-open .session-list__kebab {
    opacity: 1;
  }

  .session-list__busy-disk {
    opacity: 1;
    border-color: rgba(191, 179, 154, 0.28);
    border-top-color: #bfb39a;
  }
}

.session-list__dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  z-index: 30;
  margin-top: 0.15rem;
  min-width: 9.5rem;
  padding: 0.2rem 0;
  border-radius: 0.45rem;
  background: #2c2c2c;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.45);
  text-align: left;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity 0.12s ease, transform 0.12s ease, visibility 0.12s;
}

/* Submenu só com clique (classe is-open) */
.session-list__menu.is-open .session-list__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

/* Rodinha no mesmo sítio dos ⋯ enquanto há geração nessa sessão (pode ler outra conversa). */
.session-list__menu.session-list__menu--busy {
  opacity: 1;
  pointer-events: none;
}

.session-list__busy-spin {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.4rem;
  height: 1.4rem;
  flex-shrink: 0;
}

/* Anel simétrico (evita caminho SVG fora do centro da rotação). */
.session-list__busy-disk {
  display: block;
  box-sizing: border-box;
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  border-radius: 50%;
  border: 2px solid rgba(168, 155, 122, 0.24);
  border-top-color: #a89b7a;
  animation: session-list-spinner-rotate 0.62s linear infinite;
}

.session-list__item:hover .session-list__busy-disk {
  border-color: rgba(201, 188, 158, 0.3);
  border-top-color: #c9bc9e;
}

@keyframes session-list-spinner-rotate {
  to {
    transform: rotate(360deg);
  }
}

.generation-detached-holder {
  position: absolute !important;
  inset: auto !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  margin: -1px;
  padding: 0;
  border: 0;
  white-space: nowrap;
  pointer-events: none;
}

.session-list__dd-item {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  box-sizing: border-box;
  margin: 0;
  border: none;
  background: transparent;
  color: var(--text, #ececec);
  font-size: 0.8rem;
  line-height: 1.2;
  padding: 0.5rem 0.7rem;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.1s ease;
  gap: 0.4rem;
}

.session-list__dd-ico {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.9;
}

.session-list__dd-item > span {
  text-align: left;
}

.session-list__dd-item:hover,
.session-list__dd-item:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  outline: none;
}

.mobile-sessions {
  max-height: 40vh;
  margin-top: 0.5rem;
}

/* Área principal: coluna com scroll (.main-scroll = topbar + log), depois banner de ocupação, depois composer (fora do scroll). */

.main-wrap {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

/* Coluna com scroll de topo a fundo (barra mais grossa que o textarea) */
.main-scroll {
  flex: 1;
  min-height: 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-color: var(--scrollbar-main-thumb) var(--scrollbar-main-track);
  scrollbar-width: auto;
  scroll-padding-bottom: 1rem;
}

.main-scroll::-webkit-scrollbar {
  width: 11px;
}

.main-scroll::-webkit-scrollbar-track {
  background: var(--scrollbar-main-track);
  border-radius: 0;
}

.main-scroll::-webkit-scrollbar-thumb {
  background: var(--scrollbar-main-thumb);
  border-radius: 8px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

.main-scroll::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-main-thumb-hover);
  border: 2px solid transparent;
  background-clip: padding-box;
}

.topbar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 1rem 0.65rem 0.75rem;
  border-bottom: 1px solid transparent;
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--main-bg);
}

.topbar-mobile-zone {
  display: none;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 0.5rem;
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  border-radius: 0.5rem;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  flex-shrink: 0;
}

.menu-toggle:hover {
  background: var(--surface-hover);
}

.menu-toggle svg {
  width: 22px;
  height: 22px;
}

.mobile-title {
  flex: 1;
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  text-align: center;
  letter-spacing: -0.02em;
  pointer-events: none;
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  border-radius: 0.5rem;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  flex-shrink: 0;
}

.icon-btn:hover {
  background: var(--surface-hover);
}

.icon-btn svg {
  width: 22px;
  height: 22px;
}

.wordmark-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.wordmark-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-height: 36px;
  padding: 0 0.625rem;
  border: none;
  border-radius: 0.5rem;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 1.125rem;
  font-weight: 400;
  cursor: pointer;
  white-space: nowrap;
}

.wordmark-btn:hover {
  background: var(--surface-hover);
}

.header-wordmark {
  letter-spacing: -0.02em;
}

.wordmark-btn .chevron {
  width: 16px;
  height: 16px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

#status {
  font-size: 0.75rem;
  color: var(--text-secondary);
  max-width: 12rem;
  text-align: right;
  line-height: 1.3;
}

#status.ready {
  color: #7dce9a;
}

/* Menu mobile ecrã inteiro — slide painel da esquerda p/ a vista; ao fechar, desliza p/ a esq. (direita→esq. no ecrã). */
.mobile-menu {
  --mm-slide-duration: 0.4s;
  --mm-slide-ease: cubic-bezier(0.26, 0.82, 0.32, 0.98);
  display: none;
  position: fixed;
  inset: 0;
  z-index: 3000;
  pointer-events: none;
  /* Fecho: atrasar visibility para o painel concluir o transform; senão o menu corta a animação. */
  visibility: hidden;
  transition: visibility 0s linear var(--mm-slide-duration);
}

.mobile-menu.is-open {
  pointer-events: auto;
  visibility: visible;
  /* Abrir: o painel fica imediatamente desenhado por baixo. */
  transition: visibility 0s;
}

.mobile-menu__panel {
  position: absolute;
  inset: 0;
  background: #000;
  color: var(--text);
  display: flex;
  flex-direction: column;
  padding: max(env(safe-area-inset-top), 10px) 0.75rem max(env(safe-area-inset-bottom), 0.65rem);
  transform: translateX(-100%);
  transition: transform var(--mm-slide-duration) var(--mm-slide-ease);
  will-change: transform;
  touch-action: pan-y;
  backface-visibility: hidden;
}

.mobile-menu__scroll {
  flex: 1 1 0%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  margin-top: 0.35rem;
}

.mobile-menu__sessions-inner {
  flex: 1 1 0%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  margin-top: 0 !important;
  max-height: none !important;
}

.mobile-menu__sessions-inner .session-list {
  flex: 1 1 0%;
  min-height: 0;
}

.mobile-menu__footer {
  flex-shrink: 0;
  padding-top: 0.65rem;
  margin-top: 0.35rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu__acct {
  position: relative;
  z-index: 5;
}

.mobile-menu__acct-trigger {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  padding: 0.45rem 0.35rem 0.45rem 0.2rem;
  border: none;
  border-radius: 0.55rem;
  background: transparent;
  color: var(--text, #ececec);
  font-family: inherit;
  font-size: 0.95rem;
  text-align: left;
  cursor: pointer;
  -webkit-tap-highlight-color: rgba(255, 255, 255, 0.06);
}

.mobile-menu__acct-trigger:active {
  background: rgba(255, 255, 255, 0.06);
}

.mobile-menu__avatar {
  flex-shrink: 0;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 50%;
  background: linear-gradient(145deg, #1fa46c, #148f5f);
  color: #fff;
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu__acct-name {
  flex: 1 1 auto;
  min-width: 0;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mobile-menu__acct-chevron {
  flex-shrink: 0;
  width: 1.1rem;
  height: 1.1rem;
  opacity: 0.7;
  transform: rotate(0deg);
  transition: transform 0.15s ease;
}

.mobile-menu__acct-trigger[aria-expanded="true"] .mobile-menu__acct-chevron {
  transform: rotate(90deg);
}

.mobile-menu__acct-dd {
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(100% + 6px);
  margin: 0;
  padding: 0.35rem 0;
  list-style: none;
  border-radius: 0.55rem;
  background: #2b2b2e;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 -8px 28px rgba(0, 0, 0, 0.45);
  z-index: 20;
  max-height: min(70vh, 22rem);
  overflow-y: auto;
}

.mobile-menu__acct-dd[hidden] {
  display: none !important;
}

.mobile-menu__acct-item {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  padding: 0.6rem 0.95rem;
  border: none;
  background: transparent;
  color: var(--text, #ececec);
  font-size: 0.9rem;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}

.mobile-menu__acct-item:hover,
.mobile-menu__acct-item:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  outline: none;
}

.mobile-menu__acct-item--logout {
  color: #e8a88a;
}

.mobile-menu__acct-link {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.95rem;
  font-size: 0.9rem;
  color: inherit;
  text-decoration: none;
}

.mobile-menu__acct-link:hover,
.mobile-menu__acct-link:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  outline: none;
}

.mobile-menu__acct-sep {
  height: 1px;
  margin: 0.25rem 0.65rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 0;
  pointer-events: none;
}

.menu-new-chat.menu-new-chat--gpt {
  min-height: 48px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.95rem;
}

.menu-new-chat.menu-new-chat--gpt svg {
  width: 20px;
  height: 20px;
  opacity: 0.95;
}

.mobile-menu.is-open .mobile-menu__panel {
  transform: translateX(0);
}

.mobile-menu.is-open .mobile-menu__panel.is-dragging {
  transition: none;
}

/*
 * Removidos do painel actual: marca no topo, bloco utilizador disperso,
 * texto de estado e hint (lista + rodapé com conta).
 */

@media (prefers-reduced-motion: reduce) {
  .mobile-menu__acct-chevron {
    transition: none;
  }
}

.menu-new-chat {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.75rem;
  width: 100%;
  min-height: 52px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-subtle);
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
}

.menu-new-chat:active {
  background: rgba(255, 255, 255, 0.08);
}

.menu-new-chat svg {
  width: 22px;
  height: 22px;
  opacity: 0.9;
}

#menu-status {
  margin-top: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.35;
}

#menu-status.ready {
  color: #7dce9a;
}

/* Lista de mensagens: flex 1 1 0% absorve o espaço entre topbar e composer (evita “vão” no meio no telemóvel). */
.chat-log {
  flex: 1 1 0%;
  min-height: 0;
  padding: 1rem 1rem 0.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.empty-state {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-55%);
  text-align: center;
  pointer-events: none;
  padding: 1rem;
}

.empty-state[hidden] {
  display: none !important;
}

.empty-state__title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: #fff;
}

.chat-log-inner {
  width: 100%;
  max-width: 48rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  /* O composer está fora do scroll (.main-wrap → rodapé fixo na coluna); só precisa de espaço residual. */
  padding-bottom: 1rem;
}

.chat-log-inner:empty {
  min-height: 0;
}

/* Pilha: bolha só com texto; botão copiar abaixo, fora da bolha (neutro, sem misturar com o fundo). */
.msg-stack {
  display: flex;
  flex-direction: column;
  /*gap: 0.35rem;*/
}

.msg-stack--user {
  align-self: flex-end;
  max-width: min(85%, 36rem);
  align-items: flex-end;
}

.msg-stack--assistant {
  align-self: stretch;
  width: 100%;
  max-width: 100%;
  align-items: flex-start;
}

.msg {
  line-height: 1.6;
  white-space: normal;
  word-break: break-word;
  font-size: 0.9375rem;
}

.msg__text {
  display: block;
}

/* Conteúdo Markdown (marked + DOMPurify) */
.msg__text--md {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
}

.msg__text--md > :first-child {
  margin-top: 0;
}
.msg__text--md > :last-child {
  margin-bottom: 0;
}

.msg__text--md p {
  margin: 0.5em 0;
}

.msg__text--md h1,
.msg__text--md h2,
.msg__text--md h3,
.msg__text--md h4 {
  font-weight: 600;
  line-height: 1.25;
  margin: 0.75em 0 0.4em;
  color: var(--text);
}

.msg__text--md h1 {
  font-size: 1.2rem;
}
.msg__text--md h2 {
  font-size: 1.1rem;
}
.msg__text--md h3,
.msg__text--md h4 {
  font-size: 1.02rem;
}

.msg__text--md ul,
.msg__text--md ol {
  margin: 0.4em 0;
  padding-left: 1.35em;
}
.msg__text--md li {
  margin: 0.2em 0;
}

.msg__text--md blockquote {
  margin: 0.5em 0;
  padding: 0.35rem 0 0.35rem 0.75rem;
  border-left: 3px solid rgba(255, 255, 255, 0.2);
  color: var(--text-secondary);
}

.msg__text--md a {
  color: #7eb8ff;
  text-decoration: underline;
  text-underline-offset: 2px;
  word-break: break-all;
}
.msg__text--md a:hover {
  color: #a8d0ff;
}

.msg__text--md code {
  font-family: ui-monospace, "Cascadia Code", "Segoe UI Mono", Menlo, monospace;
  font-size: 0.86em;
  padding: 0.1em 0.35em;
  border-radius: 0.3rem;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.msg__text--md pre {
  margin: 0.5em 0;
  padding: 0.65rem 0.8rem;
  border-radius: 0.5rem;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow-x: auto;
  max-width: 100%;
  white-space: pre;
  font-size: 0.9em;
}

.msg__text--md pre code {
  padding: 0;
  background: none;
  border: none;
  font-size: 0.88rem;
  white-space: pre;
  display: block;
  overflow-x: auto;
  word-break: normal;
}

.msg__text--md table {
  width: 100%;
  min-width: min(32rem, 100%);
  border-collapse: collapse;
  margin: 0.6em 0;
  font-size: 0.9em;
  border: none;
  border-radius: 0;
  display: table;
  background: transparent;
}

.msg__text--md thead {
  background: transparent;
}
.msg__text--md th,
.msg__text--md td {
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.4rem 0.55rem;
  text-align: left;
  vertical-align: top;
  background: transparent;
}
.msg__text--md thead th {
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.msg__text--md tbody th {
  font-weight: 600;
}
.msg__text--md tbody tr:last-child th,
.msg__text--md tbody tr:last-child td {
  border-bottom: none;
}

.msg__text--md hr {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  margin: 0.75em 0;
}

.msg.user {
  padding: 0.75rem 1rem;
  border-radius: 1.25rem;
  background: var(--user-bubble);
  color: var(--text);
  width: fit-content;
  max-width: 100%;
}

.msg.assistant {
  width: 100%;
  max-width: 100%;
  /*padding: 0.35rem 0;*/
  color: var(--text);
}

.msg.assistant.streaming {
  min-height: 1.5em;
}

/* Barra sob a resposta: copiar (esq.) e métricas (dir.). */
.msg-stack__bar {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-width: 0;
  gap: 0.5rem 0.75rem;
}

.msg__stats {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.45rem 0.9rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  line-height: 1.2;
  margin: 0;
  margin-left: auto;
  letter-spacing: 0.01em;
}

.msg__stats--empty {
  display: none;
}

.msg__stat {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  white-space: nowrap;
}

.msg__stat-ico {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  opacity: 0.9;
  color: var(--text-secondary);
}

.msg__copy {
  position: relative;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  margin: 0;
  border: none;
  border-radius: 0.35rem;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.12s ease, background 0.12s ease, color 0.12s ease;
}

.msg__copy::before {
  content: attr(data-tooltip);
  position: absolute;
  top: calc(100% + 8px);
  bottom: auto;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.35rem 0.55rem;
  font-size: 0.72rem;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0.02em;
  white-space: nowrap;
  color: var(--text);
  background: rgba(22, 22, 28, 0.96);
  border: none;
  border-radius: 0.4rem;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.12s ease;
  z-index: 20;
}

.msg__copy:hover::before {
  opacity: 1;
}

.msg__copy.msg__copy--pulse-check::before {
  opacity: 0;
  content: none;
}

.msg__copy svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Hover: só o ícone muda; sem “caixa”/borda (o fundo parecia a moldura do botão antigo). */
.msg__copy:hover {
  background: transparent;
  color: var(--text);
}

.msg__copy:focus-visible {
  background: transparent;
  color: var(--text);
  outline: 2px solid rgba(255, 255, 255, 0.25);
  outline-offset: 2px;
}

.msg-stack:hover .msg__copy,
.msg-stack:focus-within .msg__copy,
.msg-stack.msg-stack--copy-pinned .msg__copy {
  opacity: 1;
  pointer-events: auto;
}

/* Telemóveis / toque: sem :hover → copiar oculto por defeito; tap na bolha (JS) aplica msg-stack--copy-pinned. */
@media (hover: none) {
  .msg-stack--copy-pinned .msg__copy {
    -webkit-tap-highlight-color: rgba(255, 255, 255, 0.08);
  }

  .msg__copy::before {
    content: none;
  }

  .msg__stats {
    font-size: 0.7rem;
    gap: 0.4rem 0.6rem;
  }
}

/* Aviso: outro utilizador a usar o modelo (fila de inferência) */
.server-busy-banner[hidden] {
  display: none !important;
}

.server-busy-banner {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.5rem 0.75rem;
  flex-shrink: 0;
  margin: 0;
  padding: 0.55rem 1rem 0.6rem;
  background: rgba(28, 28, 32, 0.97);
  border-top: 1px solid var(--border-subtle);
  color: #b8b8b8;
  font-size: 0.8rem;
  line-height: 1.4;
  z-index: 3;
  position: relative;
  width: 100%;
}

.server-busy-banner__ic {
  display: flex;
  flex-shrink: 0;
  color: #a89b7a;
}
.server-busy-banner__ic svg {
  width: 1.1rem;
  height: 1.1rem;
  display: block;
}

.server-busy-banner__text {
  margin: 0;
  flex: 1;
  min-width: 0;
}

.composer-outer--server-busy .send-btn {
  opacity: 0.45;
  pointer-events: none;
}

/* Composer: último flex da coluna — nunca vai dentro .main-scroll; sem sticky para ficar sempre visível no rodapé. */
.composer-outer {
  flex-shrink: 0;
  position: relative;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 0 1rem 0;
  isolation: isolate;
  background: var(--main-bg);
}

/* Faixa opaca colada ao rodapé: o cartão (.composer-wrap) fica por cima; tapa vazamento do radius e “ancora” o fundo. */
.composer-shield {
  flex-shrink: 0;
  width: 100%;
  min-height: 1rem;
  margin-top: -0.65rem;
  background: var(--main-bg);
  position: relative;
  z-index: 1;
  pointer-events: none;
  margin-bottom: 0;
}

.composer-wrap {
  display: flex;
  justify-content: center;
  width: 100%;
  position: relative;
  z-index: 2;
}

/* Faixa inferior: ocupa o espaço (antes padding-bottom + safe-area) e tapa o scroll */
.composer-foot {
  width: 100%;
  background: var(--main-bg);
  padding: 0.6rem 1rem max(0.5rem, env(safe-area-inset-bottom));
  text-align: center;
  position: relative;
  z-index: 3;
}

.composer-foot__tagline {
  margin: 0;
  font-size: 0.72rem;
  color: var(--text-secondary);
  line-height: 1.45;
  letter-spacing: 0.02em;
  max-width: 48rem;
  margin-inline: auto;
}

/*
 * Grid estilo ChatGPT:
 * - Colapsado: uma linha [ + | texto | enviar ]
 * - Expandido: texto em cima a largura total (scroll à direita do cartão);
 *              segunda linha [ + | · | enviar ]
 */
.composer {
  width: 100%;
  max-width: 48rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto;
  grid-template-areas: "leading primary trailing";
  align-items: center;
  column-gap: 0.35rem;
  row-gap: 0;
  padding: 0.625rem;
  border-radius: 28px;
  border: 1px solid var(--border-subtle);
  background: var(--composer-bg);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.composer.composer--expanded {
  grid-template-rows: auto auto;
  grid-template-areas:
    "primary primary primary"
    "leading . trailing";
  align-items: start;
  row-gap: 0.35rem;
  column-gap: 0.35rem;
}

.composer:focus-within {
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.18);
}

.composer-leading {
  grid-area: leading;
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  padding-inline: 0.1rem;
}

.composer.composer--expanded .composer-leading {
  align-self: end;
  justify-self: start;
}

.composer-icon-btn {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition:
    background 0.18s ease,
    color 0.18s ease;
}

.composer-icon-btn:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.composer-icon-btn:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.35);
  outline-offset: 1px;
}

/* Scroll no bloco de texto; expandido = largura total → barra encosta à direita do compositor */
.composer-body {
  grid-area: primary;
  min-width: 0;
  min-height: 3.5rem; /* min-h-14 */
  max-height: min(13rem, 32vh);
  display: flex;
  align-items: center;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) transparent;
  padding-right: 2px;
  margin-right: 0;
  box-sizing: border-box;
  transition:
    min-height 0.2s cubic-bezier(0.25, 0.1, 0.25, 1),
    max-height 0.2s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.composer.composer--expanded .composer-body {
  padding-right: 0;
  align-self: stretch;
  justify-self: stretch;
  width: 100%;
  align-items: stretch;
}

.composer-body::-webkit-scrollbar {
  width: 5px;
}

.composer-body::-webkit-scrollbar-track {
  background: transparent;
  margin: 6px 0 8px 0;
}

.composer-body::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 100px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

.composer-body::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
  border: 2px solid transparent;
  background-clip: padding-box;
}

.composer:not(.composer--expanded) .composer-body {
  align-items: center;
}

.composer-actions {
  grid-area: trailing;
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  align-items: center;
  flex-shrink: 0;
  align-self: center;
  padding: 0;
  margin: 0;
  transition: align-self 0.2s ease;
}

.composer.composer--expanded .composer-actions {
  align-self: end;
  justify-self: end;
}

#input {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 1.35rem;
  margin: 0;
  padding: 0.35rem 0.15rem 0.35rem 10;
  border: none;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 0.9375rem;
  line-height: 1.45;
  resize: none;
  overflow: hidden;
  outline: none;
  direction: ltr;
  text-align: left;
  white-space: pre-wrap;
  overflow-wrap: break-word;
  word-break: break-word;
  box-sizing: border-box;
  flex: 0 0 auto;
  align-self: center;
  transition: height 0.2s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.composer--expanded #input {
  align-self: stretch;
}

#input::placeholder {
  color: var(--text-secondary);
}

.send-btn {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: var(--send-idle);
  color: var(--main-bg);
  cursor: not-allowed;
  transition:
    background 0.18s ease,
    transform 0.1s ease,
    opacity 0.18s ease;
}

.send-btn:not(:disabled) {
  background: var(--text);
  color: var(--main-bg);
  cursor: pointer;
}

.send-btn:not(:disabled):hover {
  filter: brightness(1.05);
}

.send-btn:disabled {
  opacity: 0.85;
}

.send-btn.send-btn--stop {
  background: #b64a4a;
  color: #fff;
  cursor: pointer;
  opacity: 1;
  filter: none;
}

.send-btn.send-btn--stop:hover {
  filter: brightness(1.08);
}

.send-btn.send-btn--stop:disabled,
.send-btn.send-btn--stop:not(:disabled) {
  opacity: 1;
  cursor: pointer;
}

.sidebar-new-chat:disabled,
.menu-new-chat:disabled,
.icon-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.send-btn svg {
  width: 18px;
  height: 18px;
}

/* Smartphone */

@media (max-width: 768px) {
  :root {
    --main-bg: #000000;
    --user-bubble: #2f2f2f;
    --composer-bg: #2f2f2f;
    --scrollbar-main-track: rgba(255, 255, 255, 0.08);
    --scrollbar-main-thumb: rgba(255, 255, 255, 0.32);
    --scrollbar-main-thumb-hover: rgba(255, 255, 255, 0.48);
  }

  .sidebar {
    display: none !important;
  }

  .desktop-only {
    display: none !important;
  }

  .mobile-only {
    display: flex !important;
  }

  .topbar {
    padding: 0.35rem 0.5rem;
    padding-top: max(env(safe-area-inset-top), 0.35rem);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .topbar-mobile-zone {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .wordmark-wrap {
    display: none;
  }

  #status {
    display: none;
  }

  .mobile-menu {
    display: block;
  }

  .chat-log {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  /* Coluna de mensagens preenche até ao composer; só quando há conteúdo (vazio mantém o centro “Como posso ajudar?”). */
  .chat-log-inner:not(:empty) {
    flex: 1 1 0%;
    min-height: 0;
    align-self: stretch;
  }

  .composer-outer {
    padding-left: 0.65rem;
    padding-right: 0.65rem;
  }

  .composer-foot {
    padding-left: 0.65rem;
    padding-right: 0.65rem;
  }

  .empty-state__title {
    font-size: 1.35rem;
  }
}

@media (min-width: 769px) {
  .sidebar {
    display: flex;
  }
}

/* Páginas de login / registo */

body.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: var(--main-bg, #000);
  color: var(--text, #ececec);
}

.auth-card {
  width: 100%;
  max-width: 24rem;
  padding: 2rem 1.75rem;
  border-radius: 1.25rem;
  border: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.1));
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.auth-title {
  margin: 0 0 0.25rem;
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-align: center;
}

.auth-sub {
  margin: 0 0 1.5rem;
  font-size: 0.88rem;
  color: var(--text-secondary, #9a9a9a);
  text-align: center;
  line-height: 1.4;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.auth-label {
  font-size: 0.8rem;
  color: var(--text-secondary, #9a9a9a);
  margin-top: 0.5rem;
}

.auth-label:first-of-type {
  margin-top: 0;
}

.auth-input {
  width: 100%;
  box-sizing: border-box;
  padding: 0.65rem 0.9rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.12));
  background: rgba(0, 0, 0, 0.25);
  color: var(--text, #ececec);
  font-size: 1rem;
}

.auth-input:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.3);
}

.auth-err {
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
  color: #e88;
}

.auth-btn {
  margin-top: 1rem;
  padding: 0.7rem 1rem;
  border: none;
  border-radius: 0.75rem;
  background: var(--text, #e8e8e8);
  color: var(--main-bg, #000);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.12s;
}

.auth-btn:hover:not(:disabled) {
  filter: brightness(1.05);
}

.auth-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.auth-footer {
  margin: 1.5rem 0 0;
  text-align: center;
  font-size: 0.88rem;
}

.auth-link {
  color: #9cd4ff;
  text-decoration: none;
}

.auth-link:hover {
  text-decoration: underline;
}

/* Sair (chat após login) */
.topbar__user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
}

.user-name {
  font-size: 0.8rem;
  color: var(--text-secondary, #9a9a9a);
  max-width: 8rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-logout {
  padding: 0.35rem 0.65rem;
  font-size: 0.78rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.15));
  background: rgba(255, 255, 255, 0.06);
  color: var(--text, #ececec);
  cursor: pointer;
}

.btn-logout:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Conta (submenu) */
.account-menu {
  position: relative;
  display: flex;
  align-items: center;
}

.account-menu__trigger {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.35rem 0.25rem 0.5rem;
  border: none;
  border-radius: 0.5rem;
  background: transparent;
  color: inherit;
  cursor: pointer;
  max-width: 12rem;
}

.account-menu__trigger:hover,
.account-menu__trigger:focus-visible {
  background: rgba(255, 255, 255, 0.06);
  outline: none;
}

.account-menu__trigger[aria-expanded="true"] .account-menu__chev {
  transform: rotate(180deg);
}

.account-menu__chev {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  opacity: 0.75;
  transition: transform 0.15s ease;
}

.account-menu__dd {
  position: absolute;
  top: calc(100% + 0.35rem);
  right: 0;
  z-index: 100;
  min-width: 11rem;
  margin: 0;
  padding: 0.35rem 0;
  list-style: none;
  border-radius: 0.5rem;
  background: #2a2a2e;
  border: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.12));
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
}

.account-menu__dd[hidden] {
  display: none !important;
}

.account-menu__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.5rem 0.85rem;
  border: none;
  background: transparent;
  color: var(--text, #ececec);
  font-size: 0.82rem;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}

.account-menu__ico {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.88;
}

.account-menu__item:hover,
.account-menu__item:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  outline: none;
}

.account-menu__item--logout {
  color: #e8a88a;
}

.account-menu__sep {
  height: 1px;
  margin: 0.25rem 0;
  background: rgba(255, 255, 255, 0.1);
  list-style: none;
  padding: 0;
}

.mobile-menu__account-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0.4rem 0 0.6rem;
}

.btn-ghost {
  padding: 0.35rem 0.55rem;
  font-size: 0.78rem;
  border-radius: 0.45rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary, #9a9a9a);
  cursor: pointer;
  font-family: inherit;
}

.btn-ghost:hover {
  color: var(--text, #ececec);
  background: rgba(255, 255, 255, 0.08);
}

.btn-ghost--icon {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-ghost--icon .account-menu__ico {
  opacity: 0.8;
}

.btn-ghost--icon:hover .account-menu__ico {
  opacity: 1;
}

/* Modais perfil / configurações */
/* Acima do menu móvel (.mobile-menu = 3000) para diálogos de perfil/configurações serem visíveis */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 5000;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(2px);
}

.modal-backdrop[hidden] {
  display: none !important;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 5010;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  box-sizing: border-box;
}

.modal[hidden] {
  display: none !important;
}

.modal__panel {
  width: 100%;
  max-width: 22rem;
  max-height: min(90vh, 36rem);
  overflow: auto;
  border-radius: 0.65rem;
  background: #2c2c30;
  border: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.12));
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
  padding: 1rem 1.1rem 1.1rem;
}

.modal__panel--wide {
  max-width: 45rem;
}

.modal__panel--settings {
  /* Tamanho fixo; em viewports pequenos limita ao ecrã — o scroll fica nos filhos */
  width: 56rem;
  max-width: calc(100vw - 2rem);
  height: 38rem;
  max-height: calc(100vh - 2rem);
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

.settings-layout {
  display: flex;
  flex: 1;
  min-height: 0;
}

.settings-nav {
  flex: 0 0 12rem;
  width: 30%;
  max-width: 15.5rem;
  background: rgba(0, 0, 0, 0.22);
  border-right: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.12));
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 0.65rem 0.5rem 0.85rem;
  box-sizing: border-box;
}

.settings-nav__top {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.settings-nav__close {
  flex-shrink: 0;
  margin: 0;
  padding: 0 0.2rem;
}

.settings-nav__title {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.2;
  color: var(--text);
}

.settings-nav__list {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  flex: 1;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-color: var(--scrollbar-main-thumb) var(--scrollbar-main-track);
  scrollbar-width: auto;
  scroll-padding-bottom: 0.35rem;
}

.settings-nav__btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  text-align: left;
  border: none;
  border-radius: 0.45rem;
  padding: 0.45rem 0.5rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
  background: transparent;
  cursor: pointer;
  font-family: inherit;
}

.settings-nav__btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

/* .settings-nav__btn usa display:flex — sem isto o [hidden] deixa de esconder o separador */
.modal__panel--settings .settings-nav__btn[hidden] {
  display: none !important;
}

.settings-nav__btn.is-active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
}

.settings-nav__ico {
  flex-shrink: 0;
  width: 1.1rem;
  height: 1.1rem;
  opacity: 0.88;
}

.settings-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.settings-content__scroll {
  flex: 1;
  min-width: 0;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 1rem 1.1rem 0.75rem;
  box-sizing: border-box;
  scrollbar-color: var(--scrollbar-main-thumb) var(--scrollbar-main-track);
  scrollbar-width: auto;
  scroll-padding-bottom: 1rem;
}

/* Barras de scroll no modal de configurações — mesmo visual que .main-scroll */
.modal__panel--settings .settings-content__scroll::-webkit-scrollbar,
.modal__panel--settings .settings-nav__list::-webkit-scrollbar,
.modal__panel--settings .modal__textarea::-webkit-scrollbar {
  width: 11px;
  height: 11px;
}

.modal__panel--settings .settings-content__scroll::-webkit-scrollbar-track,
.modal__panel--settings .settings-nav__list::-webkit-scrollbar-track,
.modal__panel--settings .modal__textarea::-webkit-scrollbar-track {
  background: var(--scrollbar-main-track);
  border-radius: 0;
}

.modal__panel--settings .settings-content__scroll::-webkit-scrollbar-thumb,
.modal__panel--settings .settings-nav__list::-webkit-scrollbar-thumb,
.modal__panel--settings .modal__textarea::-webkit-scrollbar-thumb {
  background: var(--scrollbar-main-thumb);
  border-radius: 8px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

.modal__panel--settings .settings-content__scroll::-webkit-scrollbar-thumb:hover,
.modal__panel--settings .settings-nav__list::-webkit-scrollbar-thumb:hover,
.modal__panel--settings .modal__textarea::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-main-thumb-hover);
  border: 2px solid transparent;
  background-clip: padding-box;
}

.modal__panel--settings .modal__textarea {
  scrollbar-color: var(--scrollbar-main-thumb) var(--scrollbar-main-track);
  scrollbar-width: auto;
}

.settings-panel__h {
  margin-top: 0;
}

.modal__actions--settings {
  margin-top: 0;
  flex-shrink: 0;
  padding: 0.75rem 1.1rem 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 640px) {
  .modal__panel--settings {
    width: calc(100vw - 2rem);
    max-width: calc(100vw - 2rem);
    height: min(38rem, calc(100vh - 2rem));
    max-height: calc(100vh - 2rem);
  }

  .settings-layout {
    flex-direction: column;
    min-height: 0;
  }

  .settings-nav {
    flex: 0 0 auto;
    width: 100%;
    max-width: none;
    border-right: none;
    border-bottom: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.12));
  }

  .settings-nav__list {
    flex: 0 0 auto;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 0.35rem;
    min-height: auto;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 0.15rem;
    -webkit-overflow-scrolling: touch;
  }

  .settings-nav__btn {
    white-space: nowrap;
    flex-shrink: 0;
  }
}

.modal__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.modal__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.modal__close {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 0.2rem;
  border-radius: 0.25rem;
}

.modal__close:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.modal__hint {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.modal__label {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
  color: var(--text-secondary);
}

.modal__small {
  margin: 0.4rem 0 0;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.modal__small--verify {
  margin: 0.25rem 0 0.65rem;
}

.modal__small--ok {
  color: #7dcea0;
}

.modal__small--err {
  color: #f1948a;
}

.modal__label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.modal__label-row .modal__label {
  margin-bottom: 0;
}

.modal__label-hint {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.modal__input-with-action {
  display: flex;
  align-items: stretch;
  gap: 0.4rem;
  width: 100%;
  box-sizing: border-box;
  margin-bottom: 0.65rem;
}

.modal__input--flex {
  flex: 1;
  min-width: 0;
  width: auto;
}

.btn-runpod-verify {
  flex-shrink: 0;
  width: 2.5rem;
  min-height: 2.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border-radius: 0.45rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text-secondary);
  cursor: pointer;
  box-sizing: border-box;
}

.btn-runpod-verify:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.btn-runpod-verify:disabled,
.btn-runpod-verify.is-loading {
  opacity: 0.55;
  cursor: wait;
}

.settings-connect-mode {
  border: none;
  margin: 0 0 1rem;
  padding: 0;
  min-width: 0;
}

.settings-connect-mode__legend {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.45rem;
  padding: 0;
}

.settings-connect-mode__opt {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  padding: 0.55rem 0.65rem;
  margin-bottom: 0.4rem;
  border-radius: 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  cursor: pointer;
  box-sizing: border-box;
}

.settings-connect-mode__opt:hover {
  background: rgba(255, 255, 255, 0.04);
}

.settings-connect-mode__opt:has(input:checked) {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.22);
}

.settings-connect-mode__opt input[type="radio"] {
  margin-top: 0.2rem;
  flex-shrink: 0;
}

.settings-connect-mode__body {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}

.settings-connect-mode__title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.settings-connect-mode__desc {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.35;
}

.modal__input--runpod-key {
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.82rem;
}

.modal__input,
.modal__textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 0.5rem 0.6rem;
  border-radius: 0.45rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  font-size: 0.88rem;
  font-family: inherit;
}

.modal__textarea {
  resize: vertical;
  min-height: 6rem;
  line-height: 1.45;
}

.modal__grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
  margin-top: 0.75rem;
}

/* display:grid acima anula o [hidden] nativo; forçar esconder bloco só-admin do prompt global */
#settings-block-global[hidden] {
  display: none !important;
}

.settings-llama-block {
  margin-top: 0.5rem;
}

.modal__hr {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin: 1rem 0 0.75rem;
}

.modal__subh {
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.modal__hint--small {
  font-size: 0.75rem;
  margin-bottom: 0.65rem;
}

.modal__check {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin: 0.65rem 0 0.75rem;
  font-size: 0.82rem;
  line-height: 1.35;
  cursor: pointer;
}

.modal__check input {
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.modal__check--block {
  margin-top: 0.35rem;
  margin-bottom: 0;
}

.modal__grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
  margin-top: 0.5rem;
}

@media (min-width: 520px) {
  .modal__grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .modal__grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-primary {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  border-radius: 0.45rem;
  border: none;
  background: var(--text, #ececec);
  color: #1a1a1a;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

.btn-primary:hover {
  filter: brightness(1.05);
}

.btn-secondary {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  border-radius: 0.45rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-family: inherit;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.06);
}

/* Ligar monitorização: desktop + mobile (só com .admin-only visível) */
.admin-only[hidden] {
  display: none !important;
}

a.account-menu__item--link {
  text-decoration: none;
  color: inherit;
}

/* Página /admin */
.admin-body {
  min-height: 100%;
}

.admin-app {
  min-height: 100vh;
  max-width: 64rem;
  margin: 0 auto;
  padding: 0.75rem 1rem 2rem;
  box-sizing: border-box;
}

.admin-topbar {
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.admin-back {
  color: #a8c4ff;
  text-decoration: none;
  font-size: 0.88rem;
  display: inline-block;
  margin-bottom: 0.5rem;
}
.admin-back:hover {
  text-decoration: underline;
}

.admin-title {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.admin-legend {
  margin: 0;
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.75rem;
}

.admin-legend__dot {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  margin-right: 0.25rem;
  vertical-align: middle;
}
.admin-legend__dot--on {
  background: #3d9a55;
  box-shadow: 0 0 0 2px rgba(61, 154, 85, 0.25);
}
.admin-legend__dot--busy {
  background: #c84c4c;
  box-shadow: 0 0 0 2px rgba(200, 76, 76, 0.3);
}

.admin-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 720px) {
  .admin-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.admin-panel {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-subtle);
  border-radius: 0.55rem;
  padding: 0.75rem 0.85rem;
  min-height: 0;
  max-height: min(52vh, 28rem);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.admin-panel__h {
  margin: 0 0 0.65rem;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

.admin-hint,
.admin-err-txt {
  color: #c9a0a0;
  font-size: 0.8rem;
  margin: 0.5rem 0 0;
}
.admin-err-txt {
  list-style: none;
  padding: 0.4rem 0.15rem;
}

.admin-placeholder,
.admin-hint:empty {
  color: var(--text-secondary);
  font-size: 0.86rem;
  margin: 0;
  font-style: italic;
}

.admin-user-list,
.admin-session-list {
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
}

.admin-user-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.45rem;
  border-radius: 0.4rem;
  cursor: pointer;
  border: 1px solid transparent;
}
.admin-user-row:hover,
.admin-user-row:focus-visible {
  background: rgba(255, 255, 255, 0.05);
  outline: none;
}
.admin-user-row.is-selected {
  border-color: rgba(120, 160, 255, 0.45);
  background: rgba(60, 80, 120, 0.15);
}

.admin-user-dots {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.2rem;
  min-width: 1.1rem;
  flex-shrink: 0;
}

.admin-dot {
  display: block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
}
.admin-dot--on {
  background: #3d9a55;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12);
}
.admin-dot--busy {
  width: 0.55rem;
  height: 0.55rem;
  background: #d64545;
  box-shadow: 0 0 0 2px rgba(214, 69, 69, 0.4);
  animation: admin-pulse 1.4s ease-in-out infinite;
}

@keyframes admin-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

.admin-user-row__main {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
  flex: 1;
}
.admin-user-row__name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  word-break: break-word;
}
.admin-user-row__sub {
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.admin-session-row {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.5rem 0.45rem;
  font-size: 0.86rem;
  color: var(--text);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  cursor: pointer;
  border-radius: 0.35rem;
  word-break: break-word;
}
.admin-session-row__title {
  font-size: 0.86rem;
  line-height: 1.3;
}
.admin-session-row__meta {
  font-size: 0.68rem;
  line-height: 1.2;
  color: var(--text-secondary);
  opacity: 0.9;
  font-variant-numeric: tabular-nums;
}
.admin-session-row:hover,
.admin-session-row:focus-visible {
  background: rgba(255, 255, 255, 0.06);
  outline: none;
}
.admin-session-row:last-child {
  border-bottom: 0;
}

.admin-inline-view {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.admin-inline-view__title {
  margin: 0 0 0.65rem;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

.admin-inline-chat-log {
  flex: none;
  max-height: 100%;
  min-height: 8rem;
  overflow-y: auto;
  padding: 0.6rem 0.35rem 0.85rem;
  margin-top: 0.35rem;
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-subtle);
  border-radius: 0.55rem;
  align-items: stretch;
}

.admin-inline-chat-log .chat-log-inner {
  max-width: 48rem;
  margin: 0 auto;
  padding: 0 0.45rem 0.5rem;
  gap: 1rem;
}

.admin-review-turn {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0.5rem;
  background: rgba(0, 0, 0, 0.12);
  overflow: hidden;
}
.admin-review-turn__bar {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.45rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.admin-review-turn__toggle {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: none;
  border-radius: 0.35rem;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.admin-review-turn__toggle:hover,
.admin-review-turn__toggle:focus-visible {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
  outline: none;
}
.admin-review-turn__chev {
  display: inline-block;
  font-size: 0.65rem;
  line-height: 1;
  transition: transform 0.15s ease;
}
.admin-review-turn:not(.admin-review-turn--collapsed) .admin-review-turn__chev {
  transform: rotate(180deg);
}
.admin-review-turn__bar-spacer {
  flex: 1 1 auto;
  min-width: 0;
}
.admin-review-turn__actions {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
}
.admin-review-turn__btn {
  flex-shrink: 0;
  font-size: 0.72rem;
  padding: 0.25rem 0.55rem;
  border-radius: 0.35rem;
  border: 1px solid rgba(120, 160, 255, 0.35);
  background: rgba(80, 110, 180, 0.2);
  color: #c8d4ff;
  cursor: pointer;
}
.admin-review-turn__btn:hover:not(:disabled),
.admin-review-turn__btn:focus-visible:not(:disabled) {
  background: rgba(100, 130, 200, 0.35);
  outline: none;
}
.admin-review-turn__btn:disabled {
  opacity: 0.55;
  cursor: default;
}
.admin-review-turn__badge {
  flex-shrink: 0;
  font-size: 0.72rem;
  color: #7dce9a;
  font-weight: 500;
}
.admin-review-turn__body {
  padding: 0.65rem 0.65rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.admin-review-turn__body[hidden] {
  display: none !important;
}
.admin-review-turn__body .msg-stack--user {
  max-width: min(85%, 36rem);
}

.admin-view-msg {
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.admin-view-msg:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.admin-view-msg__role {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
}
.admin-view-msg--user .admin-view-msg__body {
  color: #e0e0e0;
  white-space: pre-wrap;
  word-break: break-word;
}
.admin-view-msg--assistant .admin-view-msg__body {
  color: var(--text);
  max-width: 100%;
  overflow-x: auto;
}
.admin-view-msg__stats {
  font-size: 0.72rem;
  opacity: 0.75;
  margin-top: 0.4rem;
  color: var(--text-secondary, rgba(255, 255, 255, 0.6));
  font-variant-numeric: tabular-nums;
}
.admin-view-msg--sys {
  opacity: 0.85;
}
.admin-view-msg--sys .admin-view-msg__body {
  font-size: 0.8rem;
  white-space: pre-wrap;
}