:root {
  /* Padrão deliberadamente sem marca: cinza-azulado sóbrio. A identidade de
     cada cliente entra como tema salvo, então o fallback não pode carregar a
     marca de ninguém. */
  --brand-primary: #3f5765;
  --brand-primary-dark: #283f4c;
  --brand-primary-deep: #142b37;
  --brand-secondary: #7e97a6;
  --brand-secondary-deep: #5a7483;
  --brand-accent: #5f7d8c;
  --brand-accent-deep: #3a5968;
  --brand-highlight: #a8bac4;
  --brand-highlight-soft: #eff2f4;
  --brand-canvas: #f7f8f8;
  --brand-surface: #ffffff;
  --brand-text: #1f2a30;
  --brand-muted: #6c7378;
  --brand-border: #dee2e5;
  --brand-soft: #eef1f2;
  --brand-shadow: 0 16px 42px rgba(80, 102, 115, 0.1);
}

body.brand-matrix {
  --canvas: var(--brand-canvas);
  --paper-alt: color-mix(in srgb, var(--brand-primary) 2%, #fff);
  --ink: var(--brand-text);
  --muted: var(--brand-muted);
  --navy: var(--brand-primary-deep);
  --navy-2: var(--brand-primary-dark);
  --teal: var(--brand-primary);
  --teal-soft: var(--brand-soft);
  --blue-soft: color-mix(in srgb, var(--brand-secondary) 13%, #fff);
  --line: var(--brand-border);
  --gold: var(--brand-highlight);
  --gold-soft: color-mix(in srgb, var(--brand-highlight) 14%, #fff);
  --shadow: var(--brand-shadow);
}

body.brand-catalog,
body.brand-item {
  --bg: var(--brand-canvas);
  --surface-alt: color-mix(in srgb, var(--brand-primary) 2%, #fff);
  --border: var(--brand-border);
  --text: var(--brand-text);
  --muted: var(--brand-muted);
  --accent: var(--brand-primary);
  --accent-strong: var(--brand-primary-dark);
  --accent-soft: var(--brand-soft);
  --blue-soft: color-mix(in srgb, var(--brand-secondary) 13%, #fff);
  --blue: var(--brand-secondary);
  --shadow: var(--brand-shadow);
}

body.brand-analysis {
  --canvas: var(--brand-canvas);
  --paper-alt: color-mix(in srgb, var(--brand-primary) 2%, #fff);
  --ink: var(--brand-text);
  --muted: var(--brand-muted);
  --navy: var(--brand-primary-deep);
  --blue: var(--brand-primary);
  --line: var(--brand-secondary);
  --line-soft: var(--brand-border);
  --shadow: var(--brand-shadow);
}

body.brand-page {
  background-color: var(--brand-canvas);
  background-image:
    radial-gradient(circle at 7% 0%, color-mix(in srgb, var(--brand-secondary) 16%, transparent), transparent 28rem),
    radial-gradient(circle at 98% 22%, color-mix(in srgb, var(--brand-accent) 12%, transparent), transparent 25rem),
    linear-gradient(180deg, color-mix(in srgb, var(--brand-primary) 2%, #fff) 0%, var(--brand-canvas) 28rem);
}

.brand-page .topbar {
  min-height: 82px;
  border-bottom: 4px solid transparent;
  background-image:
    linear-gradient(var(--brand-surface), var(--brand-surface)),
    linear-gradient(
      90deg,
      var(--brand-secondary) 0 34%,
      var(--brand-highlight) 34% 67%,
      var(--brand-accent) 67% 100%
    );
  background-origin: border-box;
  background-clip: padding-box, border-box;
  box-shadow: 0 8px 24px color-mix(in srgb, var(--brand-primary) 9%, transparent);
}

.brand-lockup {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 18px;
  color: var(--brand-primary-deep);
  text-decoration: none;
}

.brand-logo {
  display: block;
  width: clamp(176px, 16vw, 230px);
  height: auto;
  flex: 0 0 auto;
}

.brand-lockup-compact .brand-logo {
  width: clamp(164px, 14vw, 205px);
}

.brand-copy {
  display: grid;
  min-width: 0;
  gap: 3px;
  padding-left: 17px;
  border-left: 1px solid var(--brand-border);
}

.brand-copy strong {
  color: var(--brand-primary);
  font-size: 14px;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.brand-copy span,
.brand-copy h1 {
  color: var(--brand-primary-deep);
}

.brand-copy span {
  font-size: 12px;
  white-space: nowrap;
}

.brand-copy h1 {
  margin: 0;
  font-size: clamp(16px, 1.8vw, 21px);
  font-weight: 780;
  line-height: 1.2;
}

.client-badge {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border: 1px solid var(--brand-border);
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-primary);
  padding: 6px 10px;
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand-page .topbar-title {
  color: var(--brand-muted);
}

.brand-page .topbar a,
.brand-page .topbar .nav-link,
.brand-page .topbar .ghost-link {
  border-color: var(--brand-border);
  background: transparent;
  color: var(--brand-primary);
}

.brand-page .topbar .nav-link:hover,
.brand-page .topbar .nav-link:focus-visible,
.brand-page .topbar .ghost-link:hover,
.brand-page .topbar .ghost-link:focus-visible {
  border-color: var(--brand-primary);
  background: var(--brand-soft);
  color: var(--brand-primary-deep);
}

.brand-page .topbar .nav-link.primary,
.brand-page .topbar .primary-link {
  border-color: var(--brand-primary);
  background: var(--brand-primary);
  color: var(--brand-surface);
}

.brand-page .topbar .nav-link.primary:hover,
.brand-page .topbar .nav-link.primary:focus-visible,
.brand-page .topbar .primary-link:hover,
.brand-page .topbar .primary-link:focus-visible {
  border-color: var(--brand-primary-dark);
  background: var(--brand-primary-dark);
  color: var(--brand-surface);
}

.brand-page .eyebrow {
  color: var(--brand-primary);
}

.brand-matrix .hero,
.brand-matrix .side-index,
.brand-analysis .side-index,
.brand-catalog .overview-intro,
.brand-item .item-paper-section,
.brand-analysis .hero {
  border-top-color: var(--brand-primary);
}

.brand-matrix .hero,
.brand-matrix .metric,
.brand-matrix .notice,
.brand-matrix .exam-card,
.brand-matrix .matrix-overview,
.brand-matrix .axis,
.brand-matrix .references,
.brand-catalog .overview > *,
.brand-catalog .question-card,
.brand-item .item-summary-card,
.brand-item .item-paper-section,
.brand-analysis .hero,
.brand-analysis .item-analysis,
.brand-analysis .method-card,
.brand-analysis .summary-card {
  border-radius: 14px;
  box-shadow: var(--brand-shadow);
}

.brand-matrix .metric {
  border-top-color: var(--brand-secondary);
}

.brand-matrix .notice {
  border-left-color: var(--brand-accent);
  background: color-mix(in srgb, var(--brand-accent) 12%, #fff);
}

.brand-matrix .notice-mark {
  background: var(--brand-accent);
}

.brand-matrix .notice strong,
.brand-matrix .notice p {
  color: color-mix(in srgb, var(--brand-accent) 54%, #000);
}

.brand-matrix .axis-code,
.brand-matrix .side-code,
.brand-analysis .index-number,
.brand-analysis .item-number {
  background: var(--brand-primary-deep);
}

.brand-matrix .axis-count,
.brand-matrix .official-code,
.brand-catalog .badge {
  background: var(--brand-soft);
  color: var(--brand-primary-deep);
}

.brand-catalog .badge.blue {
  background: color-mix(in srgb, var(--brand-accent) 12%, #fff);
  color: color-mix(in srgb, var(--brand-accent) 54%, #000);
}

.brand-matrix .create-button,
.brand-matrix .dialog-button.primary {
  border-color: var(--brand-primary);
  background: var(--brand-primary);
}

.brand-matrix .create-button:hover,
.brand-matrix .create-button:focus-visible,
.brand-matrix .dialog-button.primary:hover,
.brand-matrix .dialog-button.primary:focus-visible {
  border-color: var(--brand-primary-dark);
  background: var(--brand-primary-dark);
}

.brand-matrix .create-button:focus-visible,
.brand-matrix .dialog-button:focus-visible,
.brand-matrix .dialog-close:focus-visible {
  outline-color: color-mix(in srgb, var(--brand-primary) 25%, transparent);
}

.brand-matrix .create-dialog {
  border-top: 5px solid var(--brand-primary);
}

.brand-matrix .selection-card {
  border-left-color: var(--brand-secondary);
  background: var(--brand-soft);
}

.brand-analysis .item-analysis[open] > summary,
.brand-analysis .method-card,
.brand-analysis .summary-card {
  border-color: var(--brand-border);
}

.brand-analysis .nav-link:hover,
.brand-analysis .nav-link:focus-visible,
.brand-analysis .item-link:hover,
.brand-analysis .item-link:focus-visible,
.brand-analysis .side-index a:hover,
.brand-analysis .side-index a:focus-visible,
.brand-page .action-button:hover,
.brand-page .action-button:focus-visible {
  border-color: var(--brand-secondary);
  background: var(--brand-soft);
  color: var(--brand-primary-deep);
}

.brand-page footer {
  color: var(--brand-muted);
}

@media (max-width: 760px) {
  .brand-page .topbar {
    min-height: auto;
  }

  .brand-lockup {
    align-items: flex-start;
    flex-direction: column;
    gap: 9px;
  }

  .brand-logo,
  .brand-lockup-compact .brand-logo {
    width: 180px;
  }

  .brand-copy {
    padding-left: 0;
    border-left: 0;
  }

  .brand-copy span {
    white-space: normal;
  }
}

@media print {
  body.brand-page {
    background-image: none;
  }

  .brand-page .topbar {
    background: var(--brand-surface);
    background-image: none;
    border-bottom: 1px solid var(--brand-border);
    box-shadow: none;
  }
}

/* ------------------------------------------------------------------------- */
/* Logotipo claro: a topbar precisa de fundo colorido para ele aparecer.      */
/* Restaura o tratamento anterior ao rebrand, agora dirigido pelo tema.       */
/* ------------------------------------------------------------------------- */
[data-logo-polarity="light"] .brand-page .topbar {
  border-bottom: 4px solid var(--brand-secondary);
  background-image: none;
  background-color: var(--brand-primary);
  box-shadow: 0 8px 24px color-mix(in srgb, var(--brand-primary) 22%, transparent);
}

[data-logo-polarity="light"] .brand-lockup { color: #fff; }
[data-logo-polarity="light"] .brand-copy { border-left-color: rgba(255, 255, 255, 0.42); }
[data-logo-polarity="light"] .brand-copy strong { color: #fff; }
[data-logo-polarity="light"] .brand-copy span,
[data-logo-polarity="light"] .brand-copy h1 { color: rgba(255, 255, 255, 0.9); }
[data-logo-polarity="light"] .brand-page .topbar-title { color: rgba(255, 255, 255, 0.92); }

[data-logo-polarity="light"] .client-badge {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.13);
  color: #fff;
}

[data-logo-polarity="light"] .brand-page .topbar a,
[data-logo-polarity="light"] .brand-page .topbar .nav-link,
[data-logo-polarity="light"] .brand-page .topbar .ghost-link {
  border-color: rgba(255, 255, 255, 0.48);
  color: #fff;
}

[data-logo-polarity="light"] .brand-page .topbar .nav-link:hover,
[data-logo-polarity="light"] .brand-page .topbar .nav-link:focus-visible,
[data-logo-polarity="light"] .brand-page .topbar .ghost-link:hover,
[data-logo-polarity="light"] .brand-page .topbar .ghost-link:focus-visible {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

[data-logo-polarity="light"] .brand-page .topbar .nav-link.primary,
[data-logo-polarity="light"] .brand-page .topbar .primary-link {
  border-color: #fff;
  background: #fff;
  color: var(--brand-primary-dark);
}

[data-logo-polarity="light"] .brand-page .topbar .nav-link.primary:hover,
[data-logo-polarity="light"] .brand-page .topbar .primary-link:hover {
  border-color: var(--brand-highlight-soft);
  background: var(--brand-highlight-soft);
  color: var(--brand-primary-deep);
}

@media print {
  [data-logo-polarity="light"] .brand-page .topbar {
    background-color: #fff;
    border-bottom: 1px solid var(--brand-border);
  }
  [data-logo-polarity="light"] .brand-lockup,
  [data-logo-polarity="light"] .brand-copy strong { color: var(--brand-primary); }
}

/* Assinatura em texto, exibida quando o tema não tem logotipo enviado.
   O padrão da plataforma não carrega marca de cliente algum. */
.brand-wordmark {
  flex: 0 0 auto;
  font-size: clamp(21px, 2.4vw, 27px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--brand-primary);
}

[data-logo-polarity="light"] .brand-wordmark { color: #fff; }