/* ---------- App shell ---------- */

.app-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.app-header__inner {
  width: 100%;
  max-width: var(--container-lg);
  margin: 0 auto;
  padding: 0 var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  /* Ancora o painel do lançador: preso ao gatilho ele saía da tela. */
  position: relative;
}

.app-header__spacer {
  flex: 1;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.brand:hover {
  text-decoration: none;
}

/* Arte oficial (1058x316, fundo transparente) exibida a 48px de altura. O
   header tem 4rem, então é o limite antes de a marca encostar nas bordas. */
.brand__image {
  height: 3rem;
  width: auto;
  display: block;
}

.app-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-subtle);
  font-size: var(--text-sm);
}

.app-footer__inner {
  max-width: var(--container-lg);
  margin: 0 auto;
  padding: var(--space-4) var(--space-5);
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.header__logout {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
}

.header__logout:hover {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.header__logout svg {
  width: 1.1rem;
  height: 1.1rem;
}

/* Identidade do usuário logado, reduzida à inicial. */
.avatar {
  width: 2rem;
  height: 2rem;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: default;
  user-select: none;
}

/* ---------- Lançador de aplicativos ---------- */

.apps {
  position: relative;
  margin-left: var(--space-2);
}

.apps__trigger {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  cursor: pointer;
  /* Some o triângulo padrão do <summary>. */
  list-style: none;
}

.apps__trigger::-webkit-details-marker {
  display: none;
}

.apps__trigger:hover,
.apps[open] .apps__trigger {
  background: var(--color-surface-muted);
  color: var(--color-text);
}

.apps__panel {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(2, 6rem);
  gap: var(--space-1);
  /* Nunca mais largo que a viewport, qualquer que seja a posição do gatilho. */
  max-width: calc(100vw - 2 * var(--space-4));
  padding: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.apps__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-2);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  text-align: center;
}

.apps__item:hover {
  background: var(--color-surface-muted);
  color: var(--color-text);
  text-decoration: none;
}

.apps__item--active {
  background: var(--color-accent-soft);
  color: var(--color-accent-hover);
}

.apps__mark {
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.apps__mark svg {
  width: 1.15rem;
  height: 1.15rem;
}

.apps__item--active .apps__mark {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

.apps__label {
  font-size: var(--text-xs);
  font-weight: 500;
  line-height: 1.2;
}

/* ---------- Card ---------- */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-6);
}

.card__header {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-5);
}

.card__title {
  font-size: var(--text-xl);
}

.card__subtitle {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.card__footer {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ---------- Forms ---------- */

.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.field__label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.field__hint {
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
}

.field__error {
  font-size: var(--text-xs);
  color: var(--color-danger);
}

.input,
.textarea,
.select {
  width: 100%;
  padding: 0.625rem var(--space-3);
  font: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-text-subtle);
}

.input:focus,
.textarea:focus,
.select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: var(--ring);
}

.input[aria-invalid="true"] {
  border-color: var(--color-danger);
}

.textarea {
  min-height: 6rem;
  resize: vertical;
}

.input--code {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  letter-spacing: 0.5em;
  text-align: center;
  padding-left: calc(var(--space-3) + 0.5em);
}

.input-group {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.input-group:focus-within {
  border-color: var(--color-accent);
  box-shadow: var(--ring);
}

.input-group__prefix {
  display: flex;
  align-items: center;
  padding: 0 var(--space-1) 0 var(--space-3);
  color: var(--color-text-subtle);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  white-space: nowrap;
}

.input-group .input {
  border: 0;
  box-shadow: none;
  padding-left: 0;
}

.input-group .input:focus {
  box-shadow: none;
}

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.checkbox input {
  margin: 0.2rem 0 0;
  width: 1rem;
  height: 1rem;
  accent-color: var(--color-accent);
  flex: none;
}

/* Valor definido em outro passo do fluxo: mostrado, não editável. */
.locked-field {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-muted);
  flex-wrap: wrap;
}

.locked-field__label {
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  width: 100%;
}

.locked-field__value {
  flex: 1;
  font-size: var(--text-sm);
  color: var(--color-text);
  word-break: break-all;
}

.locked-field__action {
  font-size: var(--text-sm);
}

.form-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}

.fieldset {
  border: 0;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.fieldset__legend {
  padding: 0;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
}

/* ---------- Buttons ---------- */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.625rem var(--space-4);
  font: inherit;
  font-weight: 500;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition);
}

.button:hover {
  text-decoration: none;
}

/*
 * Os ícones inline só têm `viewBox`, sem `width`/`height`. Dentro de um botão
 * flex isso os faz esticar até o espaço disponível — o alto-falante da amostra
 * apareceu do tamanho de um card.
 */
.button svg {
  width: 1.05rem;
  height: 1.05rem;
  flex: none;
}

.button:disabled,
.button[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
}

.button--primary {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

.button--danger { background: var(--color-danger); color: var(--color-text-inverse); }

.button--primary:hover:not(:disabled) {
  background: var(--color-accent-hover);
}

.button--secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.button--secondary:hover:not(:disabled) {
  background: var(--color-surface-muted);
}

.button--ghost {
  background: transparent;
  color: var(--color-text-muted);
  padding-inline: var(--space-2);
}

.button--ghost:hover:not(:disabled) {
  color: var(--color-text);
}

.button--block {
  width: 100%;
}

.button-row {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  align-items: center;
}

/* Feedback de requisição HTMX em andamento */
.button .button__spinner {
  display: none;
}

.htmx-request.button .button__label,
.htmx-request .button__label {
  opacity: 0.6;
}

.htmx-request.button .button__spinner,
.htmx-request .button__spinner {
  display: inline-block;
  width: 0.85em;
  height: 0.85em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: var(--radius-full);
  animation: spin 600ms linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .htmx-request .button__spinner {
    animation: none;
  }
}

/* ---------- Alerts ---------- */

.alert {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-muted);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.alert--error {
  background: var(--color-danger-soft);
  border-color: var(--color-danger-border);
  color: var(--color-danger);
}

.alert--success {
  background: var(--color-success-soft);
  border-color: var(--color-success-border);
  color: var(--color-success);
}

.alert--warning {
  background: var(--color-warning-soft);
  border-color: var(--color-warning-border);
  color: var(--color-warning);
}

.alert--info {
  background: var(--color-accent-soft);
  border-color: var(--color-accent-border);
  color: var(--color-accent-hover);
}

/* ---------- Modal ---------- */

.modal {
  width: min(26rem, calc(100vw - 2rem));
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  color: var(--color-text);
}

.modal::backdrop {
  background: rgba(16, 24, 40, 0.45);
  backdrop-filter: blur(2px);
}

.modal[open] {
  animation: modal-in 160ms ease-out;
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: translateY(0.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .modal[open] {
    animation: none;
  }
}

.modal__dismiss {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  margin: 0;
}

.modal__close {
  border: 0;
  background: transparent;
  color: var(--color-text-subtle);
  font-size: var(--text-xl);
  line-height: 1;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.modal__close:hover {
  background: var(--color-surface-muted);
  color: var(--color-text);
}

.modal__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.modal__icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  display: grid;
  place-items: center;
  font-size: var(--text-lg);
  font-weight: 600;
  background: var(--color-surface-muted);
  color: var(--color-text-muted);
}

.modal__icon--success {
  background: var(--color-success-soft);
  color: var(--color-success);
}

.modal__icon--warning {
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.modal__icon--error {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.modal__icon--accent {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.modal__title {
  font-size: var(--text-lg);
}

.modal__text {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.modal__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

/* ---------- Badge ---------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.125rem var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  background: var(--color-surface-muted);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.badge--active {
  background: var(--color-success-soft);
  border-color: var(--color-success-border);
  color: var(--color-success);
}

.badge--pending {
  background: var(--color-warning-soft);
  border-color: var(--color-warning-border);
  color: var(--color-warning);
}

/* ---------- Hero / marketing ---------- */

.hero {
  display: grid;
  gap: var(--space-7);
  align-items: start;
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 60rem) {
  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(22rem, 25rem);
    gap: var(--space-8);
  }
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem var(--space-2);
  border-radius: var(--radius-full);
  background: var(--color-accent-soft);
  border: 1px solid var(--color-accent-border);
  color: var(--color-accent-hover);
  font-size: var(--text-xs);
  font-weight: 500;
}

.hero__lead {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  max-width: 34rem;
}

.feature-list {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

@media (min-width: 40rem) {
  .feature-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.feature {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.feature__title {
  font-size: var(--text-sm);
  font-weight: 600;
}

.feature__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ---------- Steps ---------- */

.steps {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
  margin-bottom: var(--space-5);
}

.steps__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.steps__dot {
  width: 1.25rem;
  height: 1.25rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-strong);
  display: grid;
  place-items: center;
  font-size: 0.6875rem;
  font-weight: 600;
}

.steps__item--current .steps__dot {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-inverse);
}

.steps__item--current {
  color: var(--color-text);
  font-weight: 500;
}

.steps__item--done .steps__dot {
  background: var(--color-success-soft);
  border-color: var(--color-success-border);
  color: var(--color-success);
}

.steps__sep {
  flex: 1;
  height: 1px;
  background: var(--color-border);
  min-width: var(--space-3);
}

/* ---------- Dropzone ---------- */

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-7) var(--space-5);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  background: var(--color-surface-muted);
  cursor: pointer;
  text-align: center;
  transition: border-color var(--transition), background-color var(--transition);
}

.dropzone:hover,
.dropzone:focus-within {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
}

.dropzone--active {
  border-color: var(--color-accent);
  border-style: solid;
  background: var(--color-accent-soft);
}

.dropzone__icon {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-accent);
  font-weight: 700;
}

.dropzone__title {
  font-weight: 500;
  color: var(--color-text);
}

.dropzone__hint {
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
}

.dropzone__files {
  font-size: var(--text-sm);
  color: var(--color-accent-hover);
  font-weight: 500;
}

.dropzone__files:not(:empty) {
  margin-top: var(--space-2);
}

.inline-form {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  flex-wrap: wrap;
}

.inline-form .input {
  width: auto;
  flex: 1;
  min-width: 12rem;
}

.badge--warning {
  background: var(--color-warning-soft);
  border-color: var(--color-warning-border);
  color: var(--color-warning);
}

.badge--error {
  background: var(--color-danger-soft);
  border-color: var(--color-danger-border);
  color: var(--color-danger);
}

/* ---------- Filtros ---------- */

.filters {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

/* ---------- Tabela ---------- */

.table-wrap {
  overflow-x: auto;
  margin-top: var(--space-2);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.table th,
.table td {
  text-align: left;
  padding: var(--space-3) var(--space-3);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.table th {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-subtle);
}

.table tbody tr:last-child td {
  border-bottom: 0;
}

.table td:first-child,
.table th:first-child {
  padding-left: 0;
}

.table td:last-child,
.table th:last-child {
  padding-right: 0;
}

.cell-stack {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.cell-stack__title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 500;
  color: var(--color-text);
}

.cell-stack__meta {
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
}

.row-actions {
  display: flex;
  gap: var(--space-1);
  justify-content: flex-end;
  flex-wrap: wrap;
}

.select--inline {
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-sm);
  width: auto;
  min-width: 11rem;
}

.button--sm {
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-sm);
}

.button--danger {
  color: var(--color-danger);
}

/* Ação destrutiva confirmada: o botão assume a cor do risco. */
.button--danger-solid {
  background: var(--color-danger);
  color: var(--color-text-inverse);
}

.button--danger-solid:hover:not(:disabled) {
  filter: brightness(0.92);
}

.button--danger:hover:not(:disabled) {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

/* ---------- Definition list ---------- */

.definition-list {
  display: grid;
  gap: var(--space-3);
  margin: 0;
}

.definition-list div {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--text-sm);
}

.definition-list dt {
  color: var(--color-text-muted);
}

.definition-list dd {
  margin: 0;
  font-weight: 500;
}

/* ---------- Chat ---------- */

/*
 * O chat vive de espaço vertical: as mensagens rolam por dentro e o campo de
 * escrita fica sempre visível. Sem isso a página inteira cresce e o usuário
 * precisa rolar até o fim para digitar.
 *
 * Vale em qualquer largura. No celular a lista de conversas sai do fluxo e
 * vira gaveta, então a conversa fica com a tela inteira.
 */
.body--fixed {
  height: 100vh;
  height: 100dvh; /* respeita a barra do navegador no mobile */
  overflow: hidden;
}

.body--fixed .page--full {
  /* `min-height: 0` libera o filho flex a encolher e rolar por dentro. */
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.chat {
  height: 100%;
  min-height: 0;
}

.chat__sidebar,
.chat__thread {
  height: 100%;
  min-height: 0;
}

.chat__sidebar {
  overflow-y: auto;
}

/* A gaveta e o gatilho só existem no celular. */
.chat__drawer {
  display: none;
}

.chat {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

@media (min-width: 60rem) {
  .chat {
    grid-template-columns: 16rem minmax(0, 1fr);
    align-items: stretch;
  }
}

.chat__sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.chat__sidebar-title {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
  margin-top: var(--space-2);
}

.chat__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.chat__list-item {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}

.chat__list-item:hover {
  background: var(--color-surface-muted);
  color: var(--color-text);
  text-decoration: none;
}

.chat__list-item--active {
  background: var(--color-accent-soft);
  color: var(--color-accent-hover);
}

.chat__list-title {
  font-size: var(--text-sm);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat__list-date {
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
}

.chat__thread {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  min-height: 24rem;
}

.chat__messages {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: var(--space-5);
  /*
   * Nada de `scroll-behavior: smooth` aqui. A cada resposta o HTMX troca o
   * bloco inteiro, o container renasce no topo e a rolagem suave vira uma
   * animação visível de cima até o fim. O salto tem de ser instantâneo.
   *
   * `overflow-anchor` impede o navegador de reposicionar sozinho quando o
   * conteúdo cresce.
   */
  overflow-anchor: none;
}

.chat__empty {
  margin: auto 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-6) var(--space-4);
}

.chat__empty h1 {
  font-size: var(--text-xl);
}

.message {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: min(46rem, 85%);
}

.message--user {
  align-self: flex-end;
  align-items: flex-end;
}

.message__body {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-surface-muted);
  /* A resposta vem em texto puro; preservar a quebra de linha do modelo. */
  white-space: pre-wrap;
  line-height: var(--leading-normal);
}

.message--user .message__body {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

.message__sources {
  font-size: var(--text-sm);
}

.message__sources summary {
  cursor: pointer;
  color: var(--color-text-muted);
}

.message__source-list {
  list-style: decimal inside;
  margin-top: var(--space-2);
  padding-left: var(--space-2);
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.chat__composer {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: var(--space-4) var(--space-5);
  /* Fora do fluxo de rolagem: sempre visível, mesmo com a conversa longa. */
  flex: none;
}

/* O campo ocupa a linha toda; ações ficam na linha de baixo. */
.chat__input {
  min-height: 2.75rem;
  max-height: 9rem;
  resize: none;
}

/* Gravando: o mesmo botão vira "parar". */
.chat__mic-recording,
.chat__composer--recording .chat__mic-idle {
  display: none;
}

.chat__composer--recording .chat__mic-recording {
  display: block;
}

.chat__composer--recording .chat__mic {
  background: var(--color-danger-soft);
  border-color: var(--color-danger-border);
  color: var(--color-danger);
  animation: pulse 1.4s ease-in-out infinite;
}

@keyframes pulse {
  50% {
    opacity: 0.55;
  }
}

@media (prefers-reduced-motion: reduce) {
  .chat__composer--recording .chat__mic {
    animation: none;
  }
}

.chat__error {
  margin: 0;
  font-size: var(--text-xs);
  color: var(--color-danger);
}

/* Rodapé da mensagem: ouvir e ver as fontes. */
.message__tools {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.message__speak {
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  flex: none;
  border: 0;
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--color-text-subtle);
  cursor: pointer;
}

.message__speak:hover {
  background: var(--color-surface-muted);
  color: var(--color-text);
}

.message__speak svg {
  width: 1rem;
  height: 1rem;
}

.message__speak--playing {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.chat__thread > .alert {
  margin: var(--space-4) var(--space-5) 0;
}

/* ==========================================================================
   Mobile
   ==========================================================================
   Abaixo de 48rem (768px). O layout desktop assume largura para menu em linha
   e tabela com cinco colunas; nenhuma das duas coisas cabe num celular.
   ========================================================================== */

@media (max-width: 47.99rem) {
  /* ---------- Header ----------
     Em linha única o menu estourava a largura e criava rolagem horizontal na
     página inteira. Duas faixas: marca e usuário em cima, menu embaixo. */
  .app-header {
    height: auto;
    padding: var(--space-2) 0;
  }

  .app-header__inner {
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-3);
    padding-inline: var(--space-4);
  }

  .brand {
    font-size: var(--text-sm);
  }

  .brand > span:last-child {
    white-space: nowrap;
  }

  /* Preso ao gatilho, o painel saía pela direita. Aqui ele se estica entre as
     duas bordas do header, que é o elemento posicionado. */
  .apps {
    position: static;
  }

  .apps__panel {
    left: var(--space-4);
    right: var(--space-4);
    max-width: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  /* ---------- Espaçamento ---------- */

  .page {
    padding: var(--space-5) var(--space-4) var(--space-6);
  }

  .card {
    padding: var(--space-4);
  }

  h1 {
    font-size: var(--text-2xl);
  }

  /* ---------- Tabela vira cartão ----------
     Cinco colunas não cabem. Cada linha vira um bloco e cada célula mostra o
     próprio rótulo, que no desktop vive no cabeçalho. */
  .table-wrap {
    overflow-x: visible;
  }

  .table thead {
    /* O rótulo passa a vir do `data-label` de cada célula. */
    display: none;
  }

  .table,
  .table tbody,
  .table tr,
  .table td {
    display: block;
    width: 100%;
  }

  .table tr {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    margin-bottom: var(--space-3);
  }

  .table tbody tr:last-child {
    margin-bottom: 0;
  }

  .table td {
    border: 0;
    padding: var(--space-2) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
  }

  .table td + td {
    border-top: 1px solid var(--color-border);
  }

  .table td::before {
    content: attr(data-label);
    flex: none;
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
  }

  /* A primeira célula é o título do cartão: ocupa a linha toda. */
  .table td:first-child {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
    padding-top: 0;
  }

  .table td:last-child {
    padding-bottom: 0;
  }

  .row-actions {
    justify-content: flex-end;
  }

  .select--inline {
    min-width: 0;
    max-width: 60%;
  }

  /* ---------- Filtros e formulários ---------- */

  .filters,
  .form-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-3);
  }

  .inline-form .input {
    min-width: 0;
  }

  .dropzone {
    padding: var(--space-5) var(--space-4);
  }

  /* ---------- Chat ----------
     A conversa fica com a tela inteira; a lista vira gaveta sobre ela. */
  .body--fixed .page--full {
    padding: 0;
  }

  .chat {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  /* Flutua sobre a conversa para não consumir uma faixa inteira de altura.
     `.chat` precisa ser o ancestral posicionado: sem isso o botão ancora na
     viewport e sobe por cima do header. */
  .chat {
    position: relative;
  }

  .chat__drawer {
    display: block;
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    z-index: 40;
  }

  .chat__drawer-trigger {
    /* Semitransparente para o texto por baixo continuar legível ao rolar. */
    background: color-mix(in srgb, var(--color-surface) 85%, transparent);
    backdrop-filter: blur(6px);
    box-shadow: var(--shadow-sm);
  }

  .chat__drawer-trigger {
    display: grid;
    place-items: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: var(--radius-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    cursor: pointer;
    list-style: none;
  }

  .chat__drawer-trigger::-webkit-details-marker {
    display: none;
  }

  .chat__drawer-trigger svg {
    width: 1.15rem;
    height: 1.15rem;
  }

  /* Fora do fluxo: a conversa não perde altura para a lista. */
  .chat__sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 50;
    width: min(17rem, 82vw);
    padding: var(--space-4);
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    transform: translateX(-100%);
    transition: transform var(--transition);
  }

  .chat:has(.chat__drawer[open]) .chat__sidebar {
    transform: none;
  }

  /* Escurece o resto e dá onde clicar para fechar. */
  .chat:has(.chat__drawer[open])::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 45;
    background: rgba(16, 24, 40, 0.45);
  }

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

  .chat__thread {
    border: 0;
    border-radius: 0;
    box-shadow: none;
    min-height: 0;
  }

  /* Só o suficiente para a primeira mensagem não nascer sob o botão. */
  .chat__messages {
    padding: var(--space-6) var(--space-4) var(--space-4);
  }

  .chat__composer {
    padding: var(--space-3) var(--space-4);
  }

  .message {
    max-width: 100%;
  }

  /* ---------- Modal ---------- */

  .modal {
    width: calc(100vw - 2rem);
    padding: var(--space-5);
  }
}

/* Nenhum conteúdo deve criar rolagem horizontal na página. */
img,
table {
  max-width: 100%;
}

/* ---------- Ações do chat ---------- */

.chat__actions {
  display: flex;
  gap: var(--space-2);
  align-items: stretch;
}

/* O envio domina a linha; os ícones ficam ao lado, do tamanho do botão. */
.chat__send {
  flex: 1;
}

.chat__icon-button {
  flex: none;
  width: 2.75rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition);
}

.chat__icon-button:hover {
  background: var(--color-surface-muted);
  color: var(--color-text);
}

.chat__icon-button svg {
  width: 1.15rem;
  height: 1.15rem;
}

.modal--wide {
  width: min(30rem, calc(100vw - 2rem));
}

.modal__body .field,
.modal__body .checkbox {
  text-align: left;
}

/* A dica pertence à linha de baixo, não ao fim da frase do rótulo. */
.checkbox .field__hint {
  display: block;
  margin-top: var(--space-1);
}

/* Modal alto precisa rolar; senão os controles de baixo ficam inalcançáveis. */
.modal__body {
  max-height: calc(100vh - 8rem);
  overflow-y: auto;
}

.range {
  width: 100%;
  accent-color: var(--color-accent);
}

.modal__body output {
  font-variant-numeric: tabular-nums;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Landing page
   ==========================================================================
   A homepage é a única tela que vende antes de explicar. Respira mais que o
   resto da aplicação e alterna faixas claras e acinzentadas para dar ritmo.
   ========================================================================== */

/* Sai da caixa do `.page`: as faixas precisam sangrar de ponta a ponta. */
.page--landing {
  max-width: none;
  padding: 0;
}

.lp-nav {
  display: flex;
  gap: var(--space-1);
  margin-left: var(--space-5);
}

.lp-nav__item {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}

.lp-nav__item:hover {
  background: var(--color-surface-muted);
  color: var(--color-text);
  text-decoration: none;
}

.button--sm {
  padding: 0.4rem var(--space-3);
  font-size: var(--text-sm);
}

/* ---------- Hero ---------- */

.lp-hero {
  display: grid;
  gap: var(--space-7);
  align-items: center;
  width: min(var(--container-lg), calc(100% - 2 * var(--space-5)));
  margin: 0 auto;
  padding: var(--space-8) 0;
}

@media (min-width: 60rem) {
  .lp-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(22rem, 1fr);
    gap: var(--space-8);
    padding: var(--space-9) 0 var(--space-8);
  }
}

.lp-hero h1 {
  margin: var(--space-4) 0 var(--space-4);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
}

.lp-lead {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
}

.lp-hero__description {
  margin-top: var(--space-3);
  max-width: 34rem;
  color: var(--color-text-muted);
}

.lp-hero .button-row {
  margin-top: var(--space-6);
}

/* Os dois botões da dobra são a primeira decisão da página: pesam mais que um
   botão de formulário, então saem do tamanho padrão da interface. */
.lp-hero .button-row .button {
  font-size: var(--text-lg);
  padding: 0.8rem var(--space-5);
}

/* ---------- Demonstração ---------- */

.lp-demo {
  margin: 0;
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.lp-demo__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.lp-demo__file {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.lp-demo__thread {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.lp-demo__question {
  align-self: flex-end;
  max-width: 85%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

.lp-demo__answer {
  max-width: 90%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-surface-muted);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.lp-demo__answer p {
  margin: 0;
  color: var(--color-text);
}

.lp-demo__source {
  font-size: var(--text-xs);
  color: var(--color-text-subtle) !important;
}

.lp-demo__note {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
  text-align: center;
}

/* ---------- Seções ---------- */

.lp-section {
  width: 100%;
  padding: var(--space-8) var(--space-5);
}

.lp-section--muted {
  background: var(--color-surface-muted);
  border-block: 1px solid var(--color-border);
}

/* A faixa de conversão é a única em cor cheia: quebra o ritmo de propósito. */
.lp-section--accent {
  background: var(--color-accent);
  border-block: 0;
}

.lp-section--accent h2 {
  color: var(--color-text-inverse);
}

.lp-section--accent .lp-section__subtitle {
  color: color-mix(in srgb, var(--color-text-inverse) 82%, transparent);
}

.lp-section > * {
  width: min(var(--container-lg), 100%);
  margin-inline: auto;
}

.lp-section__header {
  margin-bottom: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* Um degrau acima do h2 da aplicação: na landing o título abre a seção para
   quem está passando os olhos, não organiza um formulário. */
.lp-section__header h2 {
  font-size: var(--text-2xl);
}

.lp-section__subtitle {
  color: var(--color-text-muted);
  max-width: 42rem;
}

.lp-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 40rem) {
  .lp-grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 64rem) {
  .lp-grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.lp-card {
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.lp-card h3 {
  font-size: var(--text-base);
  font-weight: 600;
}

.lp-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.lp-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.lp-list li::before {
  content: "· ";
  color: var(--color-accent);
}

/* ---------- Como funciona ---------- */

.lp-how {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

.lp-steps {
  display: grid;
  gap: calc(var(--space-5) * 2);
  counter-reset: step;
}

@media (min-width: 60rem) {
  .lp-how {
    grid-template-columns: minmax(16rem, 20rem) minmax(0, 1.35fr);
    gap: var(--space-7);
  }

  .lp-steps {
    grid-template-columns: minmax(0, 1fr);
  }

  .lp-how__visual {
    order: -1;
  }
}

.lp-step {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.lp-step h3 {
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.lp-step p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.lp-step__number {
  flex: none;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: var(--color-text-inverse);
  font-weight: 700;
  font-size: var(--text-sm);
}

.lp-how__visual {
  margin: 0;
  justify-self: center;
  width: min(100%, 20rem);
  padding: var(--space-3);
  border-radius: calc(var(--radius-xl) + var(--space-1));
  background:
    radial-gradient(circle at top, color-mix(in srgb, var(--color-accent) 16%, transparent), transparent 58%),
    linear-gradient(180deg, var(--color-surface), color-mix(in srgb, var(--color-surface-muted) 85%, white));
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}

.lp-how__image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}

/* ---------- Começar ---------- */

/*
 * Única faixa que usa a largura toda: em cor cheia, o conteúdo centralizado
 * deixaria vazios grandes nas laterais. O respiro vem do padding da seção.
 *
 * A seção é o próprio grid, então as regras vão nela, e não nos filhos como
 * no resto das faixas.
 */
.lp-cta {
  display: grid;
  gap: var(--space-6);
  align-items: center;
  padding-inline: var(--space-4);
}

.lp-cta > * {
  width: 100%;
}

@media (min-width: 60rem) {
  /*
   * Colunas com largura própria e o par centralizado, em vez de `1fr` que as
   * estica até as bordas e joga texto e cartão para as pontas opostas. O fundo
   * segue ocupando a tela toda; só o conteúdo se agrupa no meio.
   */
  .lp-cta {
    grid-template-columns: minmax(0, 32rem) minmax(20rem, 24rem);
    justify-content: center;
    gap: var(--space-8);
  }
}

.lp-cta h2 {
  margin-bottom: var(--space-2);
  font-size: var(--text-3xl);
}

/* Último argumento antes do formulário: a legenda aqui é texto de leitura, não
   apoio de seção, então sobe um degrau e ganha contraste sobre o azul. */
.lp-cta .lp-section__subtitle {
  font-size: var(--text-lg);
  line-height: 1.55;
  color: color-mix(in srgb, var(--color-text-inverse) 92%, transparent);
}

/* ---------- Benefícios ---------- */

.lp-benefits {
  display: grid;
  gap: var(--space-3);
}

@media (min-width: 48rem) {
  .lp-benefits {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.lp-benefit {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Círculo azul com o traço em branco: o verde puxava para "status", que é o
   que os badges de documento significam. Aqui é só marcação de lista. */
.lp-benefit__check {
  flex: none;
  width: 1.25rem;
  height: 1.25rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: var(--color-text-inverse);
  font-size: var(--text-xs);
  font-weight: 700;
}

/* ---------- Perguntas frequentes ---------- */

/*
 * `details` em vez de acordeão em JavaScript: abre sem script, o buscador lê o
 * texto fechado e o teclado já navega sem nada extra.
 */
.lp-faq {
  display: grid;
  gap: var(--space-3);
  width: min(48rem, 100%);
  margin-inline: auto;
}

.lp-faq__item {
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.lp-faq__question {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  align-items: center;
}

.lp-faq__question::-webkit-details-marker {
  display: none;
}

.lp-faq__question::after {
  content: "+";
  flex: none;
  color: var(--color-accent);
  font-size: var(--text-lg);
  line-height: 1;
}

.lp-faq__item[open] .lp-faq__question::after {
  content: "−";
}

.lp-faq__answer {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Cabeçalho e lista na mesma largura e no mesmo eixo: com o título colado na
   borda do container, a seção parecia continuar a de cima. */
#perguntas > * {
  width: min(48rem, 100%);
  margin-inline: auto;
}

/* ---------- Contato ---------- */

/*
 * Na home, o formulário funciona melhor quando o cabeçalho e os campos andam
 * juntos: mesma largura, mesmo eixo e o bloco inteiro centralizado na faixa.
 */
#contato > * {
  width: min(42rem, 100%);
  margin-inline: auto;
}

#contato .lp-contact {
  max-width: 42rem;
}