/* ============================================================
   Layout — container, sections, utilitários
   ============================================================ */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.section {
  padding-top: var(--space-7);
  padding-bottom: var(--space-7);
}

.section--dark {
  background: var(--color-primary-dark);
  color: var(--color-white);
}

.section-title {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--space-6);
  position: relative;
}

.section-title--dark {
  color: var(--color-accent);
}

.section-title--underline::after {
  content: "";
  display: block;
  width: 80px;
  height: 3px;
  background: var(--color-accent);
  margin: var(--space-2) auto 0;
}

/* Page wrapper — garante footer no fundo da tela mesmo em páginas curtas */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page > main {
  flex: 1;
}

/* Breadcrumb */
.breadcrumb {
  background: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.breadcrumb .container {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.breadcrumb a {
  color: var(--color-text-muted);
}

.breadcrumb-separator {
  margin: 0 var(--space-2);
  color: var(--color-text-disabled);
}

.breadcrumb__trail {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
}

/* Botão Voltar — pill compacto à esquerda do breadcrumb.
   Usamos a.btn-voltar e .breadcrumb .btn-voltar pra vencer a
   especificidade de .breadcrumb a (que define cor cinza). */
a.btn-voltar,
.breadcrumb .btn-voltar {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

a.btn-voltar:hover,
a.btn-voltar:focus-visible,
.breadcrumb .btn-voltar:hover,
.breadcrumb .btn-voltar:focus-visible {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  transform: translateX(-2px);
  text-decoration: none;
}

.btn-voltar__arrow {
  font-size: 16px;
  line-height: 1;
  font-weight: var(--font-weight-bold);
}