/* Base da aplicação sobre os tokens do design system (assets/ds). Nenhuma cor nova é criada aqui. */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { min-height: 100vh; background: var(--surface-sunken); }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }
/* Regiões sem conteúdo não ocupam espaço (nem o "gap" do contêiner) */
[data-region]:empty { display: none; }
/* Área que recebe o foco quando o controle focado some ao redesenhar (o próximo Tab segue dali): sem anel */
[data-region]:focus, [data-focus-holder]:focus { outline: none; box-shadow: none; }
/* Rolagem e foco param abaixo da barra superior fixa */
html { scroll-padding-top: calc(var(--header-h) + var(--space-4)); }
code, kbd { font-family: var(--font-mono); }
dl, dd, ol, ul { margin: 0; }
ol, ul { padding: 0; list-style: none; }
table { border-collapse: collapse; width: 100%; }
th { text-align: left; }
fieldset { margin: 0; padding: 0; border: 0; min-width: 0; }
legend { padding: 0; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: fixed; left: var(--space-4); top: -60px; z-index: 3000;
  height: var(--control-md); padding: 0 var(--space-4); border: 0; border-radius: var(--radius-md);
  background: var(--apis-navy-900); color: var(--text-on-dark); font: 600 15px/1 var(--font-sans);
  transition: top var(--duration-fast) var(--ease-standard);
}
.skip-link:focus { top: var(--space-3); }

.noscript { padding: var(--space-8); font: var(--type-body); }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; }
}

/* Papéis de texto usados nas telas */
.page-title { margin: 0; font: var(--weight-light) var(--size-h2)/1.2 var(--font-display); color: var(--text-heading); text-wrap: pretty; }
.page-title:focus { outline: none; box-shadow: none; }
.page-lead { margin: 0; max-width: 720px; font: var(--weight-regular) var(--size-body)/var(--leading-normal) var(--font-body); color: var(--text-muted); }
.section-title { margin: 0; font: var(--type-h4); color: var(--text-heading); }
.kicker { margin: 0; font: var(--weight-bold) var(--size-small)/1.2 var(--font-body); color: var(--text-subheading); }
.meta { font: var(--weight-regular) 13px/1.35 var(--font-body); color: var(--text-muted); }
.muted { color: var(--text-muted); }
.small { font-size: var(--size-small); }
.mono { font-family: var(--font-mono); }
.strong { font-weight: var(--weight-semibold); }

/* Botão com aparência de link (ações secundárias dentro do texto) */
.link-button {
  display: inline-flex; align-items: center; gap: 6px; padding: 0; border: 0; background: none;
  color: var(--text-link); font: var(--weight-semibold) var(--size-small)/1.2 var(--font-body);
  text-decoration: underline; text-underline-offset: 2px; cursor: pointer;
}
.link-button:hover { color: var(--text-link-hover); }
.link-button--plain { text-decoration: none; }
.link-button--danger { color: var(--apis-danger-700); }
.link-button--danger:hover { color: var(--apis-danger-500); }

/* Layout */
.stack { display: flex; flex-direction: column; gap: var(--gap, var(--space-4)); min-width: 0; }
.cluster { display: flex; flex-wrap: wrap; align-items: center; gap: var(--gap, var(--space-2)); }
.split { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-3); }
.grow { flex: 1 1 auto; min-width: 0; }

.page { display: flex; flex-direction: column; gap: var(--space-5); }
.page--narrow { max-width: 760px; }
.page-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--space-4); }
.page-head__text { display: flex; flex-direction: column; gap: 6px; max-width: 720px; min-width: 0; }
.page-head__actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* Duas colunas que viram uma em telas estreitas: conteúdo principal e lateral */
.columns { display: flex; flex-wrap: wrap; align-items: flex-start; gap: var(--space-5); }
.columns__main { flex: 999 1 540px; min-width: 0; display: flex; flex-direction: column; gap: var(--space-6); }
.columns__side { flex: 1 1 300px; min-width: 0; display: flex; flex-direction: column; gap: var(--space-5); }