/* ============================================================
   Central de Ofertas — Vitrine
   Design tokens claro/escuro. Cores de gráfico seguem a paleta
   validada (contraste e daltonismo); direção de preço nunca é
   comunicada só por cor — sempre acompanha seta + número.
   ============================================================ */
:root {
  color-scheme: light;
  --surface-1: #ffffff;
  --surface-2: #f9f9f7;
  --surface-3: #f2f2ef;
  --page: #f4f4f1;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --border: rgba(11, 11, 11, 0.10);
  --border-strong: rgba(11, 11, 11, 0.16);

  --brand: #4a3aa7;
  --brand-strong: #3a2d84;
  --brand-ink: #ffffff;
  --brand-wash: #efedfb;

  --series-1: #2a78d6;
  --good: #0ca30c;
  --good-ink: #056b05;
  --good-wash: #e8f7e8;
  --critical: #d03b3b;
  --critical-ink: #a82b2b;
  --critical-wash: #fdecec;
  --warning-ink: #8a5a00;
  --warning-wash: #fdf3e0;

  --spark-down: #0ca30c;
  --spark-up: #d03b3b;
  --spark-flat: #898781;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(11, 11, 11, 0.05), 0 6px 16px rgba(11, 11, 11, 0.05);
  --shadow-hover: 0 2px 6px rgba(11, 11, 11, 0.08), 0 12px 28px rgba(11, 11, 11, 0.10);
  --header-h: 62px;
}

@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --surface-1: #1a1a19;
    --surface-2: #202020;
    --surface-3: #272725;
    --page: #0d0d0d;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --border: rgba(255, 255, 255, 0.10);
    --border-strong: rgba(255, 255, 255, 0.18);
    --brand: #9085e9;
    --brand-strong: #a79ef0;
    --brand-ink: #14121f;
    --brand-wash: #262244;
    --series-1: #3987e5;
    --good-ink: #4ec24e;
    --good-wash: #142914;
    --critical-ink: #f08a8a;
    --critical-wash: #2e1616;
    --warning-ink: #f0c46a;
    --warning-wash: #2c2312;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 6px 16px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 2px 6px rgba(0, 0, 0, 0.5), 0 12px 28px rgba(0, 0, 0, 0.45);
  }
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--page);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand); }
h1, h2, h3 { line-height: 1.25; margin: 0; }
img { max-width: 100%; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--brand); color: var(--brand-ink);
  padding: 10px 16px; border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; min-height: 44px; display: flex; align-items: center; }

/* visível só para leitores de tela — usado em legendas de tabela */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
#conteudo:focus { outline: none; }

:where(a, button, select, input, summary):focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------------------------------------------------- cabeçalho */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: var(--surface-1);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1220px; margin: 0 auto; padding: 10px 18px;
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas: "brand search nav";
  align-items: center; gap: 18px;
}
/* min-width:0 é o que impede um filho de grid de esticar o layout
   além da tela — causa clássica de rolagem horizontal no celular */
.header-inner > * { min-width: 0; }
.brand { grid-area: brand; }
.search { grid-area: search; }
.main-nav { grid-area: nav; }
.brand { display: flex; align-items: center; gap: 10px; min-height: 44px; text-decoration: none; color: inherit; }
.brand-mark {
  width: 36px; height: 36px; flex: none; border-radius: 10px;
  background: linear-gradient(135deg, #8f75ff, #5135dc);
  color: #fff; font-weight: 700; font-size: 13px; letter-spacing: .02em;
  display: grid; place-items: center;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 15px; white-space: nowrap; }
.brand-text small { color: var(--muted); font-size: 11.5px; }

.search { position: relative; display: flex; align-items: center; max-width: 520px; }
.search-icon {
  position: absolute; left: 11px; width: 18px; height: 18px;
  color: var(--muted); pointer-events: none;
}
.search input {
  flex: 1; min-width: 0;
  min-height: 44px;
  padding: 9px 12px 9px 36px;
  border: 1px solid var(--border-strong); border-right: none;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  background: var(--surface-2); color: var(--text-primary); font-size: 14px;
}
.search input::placeholder { color: var(--muted); }
.search button {
  min-height: 44px;
  padding: 9px 16px; border: none; cursor: pointer;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--brand); color: var(--brand-ink);
  font-size: 14px; font-weight: 600;
}
.search button:hover { background: var(--brand-strong); }

.main-nav { display: flex; gap: 4px; }
.main-nav a {
  min-height: 44px; padding: 8px 12px; border-radius: var(--radius-sm);
  display: inline-flex; align-items: center;
  text-decoration: none; color: var(--text-secondary);
  font-size: 14px; font-weight: 500; white-space: nowrap;
}
.main-nav a:hover { background: var(--surface-3); color: var(--text-primary); }
.main-nav a.active { background: var(--brand-wash); color: var(--brand); font-weight: 600; }

/* ---------------------------------------------------- layout */
.page { max-width: 1220px; margin: 0 auto; padding: 22px 18px 56px; }
.page, .grid, .kpi-row { min-width: 0; }
.page-head { margin-bottom: 20px; }
.page-head h1 { font-size: 24px; margin-bottom: 4px; }
.page-head p { color: var(--text-secondary); margin: 0; max-width: 70ch; }

/* ---------------------------------------------------- KPIs */
.kpi-row {
  display: grid; gap: 12px; margin-bottom: 20px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}
.kpi {
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px;
  display: flex; flex-direction: column; gap: 2px;
}
.kpi-label { font-size: 12.5px; color: var(--text-secondary); }
.kpi-value { font-size: 27px; font-weight: 650; letter-spacing: -0.01em; }
.kpi-hint { font-size: 12px; color: var(--muted); }
.kpi-hint a { color: var(--muted); }

/* ---------------------------------------------------- chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  min-height: 44px;
  padding: 7px 13px; border-radius: 999px;
  border: 1px solid var(--border-strong); background: var(--surface-1);
  color: var(--text-secondary); text-decoration: none;
  font-size: 13px; font-weight: 500;
}
.chip span { color: var(--muted); font-size: 12px; }
.chip:hover { border-color: var(--brand); color: var(--text-primary); }
.chip-on { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }
.chip-on span { color: var(--brand-ink); opacity: .75; }

/* ---------------------------------------------------- barra de filtros */
.filter-bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  padding: 12px 14px; margin-bottom: 18px;
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: var(--radius);
}
.segmented { display: inline-flex; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); overflow: hidden; }
.seg {
  padding: 7px 14px; font-size: 13.5px; text-decoration: none;
  color: var(--text-secondary); background: var(--surface-1);
  border-right: 1px solid var(--border);
}
.seg:last-child { border-right: none; }
.seg:hover { background: var(--surface-3); color: var(--text-primary); }
.seg-on { background: var(--brand); color: var(--brand-ink); font-weight: 600; }
.sort { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--text-secondary); }
.sort select {
  padding: 7px 10px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface-1); color: var(--text-primary); font-size: 13.5px;
}
/* Sem JavaScript este botão aplica a ordenação; com JS o app.js o esconde
   (o próprio select passa a enviar o formulário ao mudar). */
.sort-apply {
  padding: 7px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface-2); color: var(--text-primary);
  font-size: 13.5px; cursor: pointer;
}
.sort-apply[hidden] { display: none; }
.result-count { margin: 0 0 0 auto; font-size: 13.5px; color: var(--text-secondary); }
.result-count .clear { margin-left: 10px; font-size: 13px; }

/* ---------------------------------------------------- grid + cards */
/* Uma coluna quando a tela não comporta dois cards legíveis (celular:
   360/390/412 px caem sempre em coluna única); a partir daí o próprio
   auto-fill escolhe 2, 3 ou 4 colunas pelo espaço real — nunca por uma
   contagem fixa. min(100%, 280px) evita que a trilha estoure a largura
   da página em telas muito estreitas (causa de rolagem horizontal). */
.grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
}
.card {
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column;
  transition: box-shadow .16s ease, transform .16s ease, border-color .16s ease;
}
.card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); border-color: var(--border-strong); }
.card.is-confirmed { border-top: 3px solid var(--good); }
.card.is-analysis { border-top: 3px solid var(--muted); }

.card-media {
  position: relative; display: grid; place-items: center;
  grid-template-rows: minmax(0, 1fr);
  height: 168px; background: var(--surface-3); text-decoration: none;
  overflow: hidden;
}
/* minmax(0,1fr) na linha impede que a linha do grid cresça com o tamanho
   intrínseco da imagem (SVG sem viewBox, foto grande do anúncio); assim
   max-height:100% realmente limita a imagem à caixa de mídia */
.card-media img {
  max-width: 100%; max-height: 100%;
  object-fit: scale-down; padding: 12px;
}
.media-fallback {
  font-size: 34px; font-weight: 700; color: var(--muted);
  letter-spacing: .04em; user-select: none;
}
.media-fallback.big { font-size: 64px; }
.discount-flag {
  position: absolute; top: 10px; left: 10px;
  background: var(--critical); color: #fff;
  font-size: 12.5px; font-weight: 700;
  padding: 3px 9px; border-radius: 999px;
}

.card-body { padding: 13px 14px 14px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-badges { display: flex; flex-wrap: wrap; gap: 6px; }
.badge {
  font-size: 11.5px; font-weight: 600; padding: 3px 9px;
  border-radius: 999px; white-space: nowrap;
  /* um rótulo comprido encolhe com reticências em vez de ser cortado
     pela borda do card (texto cortado é pior do que texto abreviado) */
  max-width: 100%; min-width: 0; overflow: hidden; text-overflow: ellipsis;
}
.badge-ok { background: var(--good-wash); color: var(--good-ink); }
.badge-wait { background: var(--warning-wash); color: var(--warning-ink); }
.badge-soft { background: var(--surface-3); color: var(--text-secondary); }

.card-title { font-size: 14.5px; font-weight: 600; line-height: 1.35; }
/* limita a exibição a 2 linhas; o texto completo continua no DOM,
   visível para leitores de tela e íntegro na ficha da oferta */
.card-title a {
  color: inherit; text-decoration: none;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2;
  overflow: hidden;
}
.card-title a:hover { color: var(--brand); }

.price-block { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px; }
.price-now { font-size: 22px; font-weight: 700; letter-spacing: -0.01em; }
.price-was { font-size: 13.5px; color: var(--muted); text-decoration: line-through; }
.price-none { font-size: 14px; color: var(--muted); font-style: italic; }
.price-note { flex-basis: 100%; font-size: 11.5px; color: var(--warning-ink); }
.price-block.big .price-now { font-size: 34px; }
.price-condition { margin: 2px 0 0; font-size: 12.5px; color: var(--muted); }
.discount-pill {
  background: var(--critical-wash); color: var(--critical-ink);
  font-size: 13px; font-weight: 700; padding: 3px 10px; border-radius: 999px;
}

.card-meta { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.card-meta li { font-size: 12.5px; color: var(--text-secondary); }

.trend { display: flex; align-items: center; gap: 10px; }
.sparkline { display: block; width: 100%; max-width: 132px; height: 34px; }
.delta { font-size: 13px; font-weight: 650; font-variant-numeric: tabular-nums; white-space: nowrap; }
.delta-down, .kpi-value.delta-down { color: var(--good-ink); }
.delta-up { color: var(--critical-ink); }
.delta-flat { color: var(--muted); }

.card-status { margin: 0; font-size: 12px; color: var(--muted); }
/* ordem de leitura do card: identidade → preço → evidência temporal →
   sinais de confiança → histórico → ação. O CTA primário ocupa a largura
   toda e é o único botão; "ver detalhes" é um link discreto abaixo, para
   não competir com a ação principal. */
.card-actions { margin-top: auto; padding-top: 6px; }
.card-actions .btn { width: 100%; min-width: 0; }
.card-detail-link {
  display: inline-flex; align-items: center; min-height: 44px; margin-top: 8px;
  font-size: 12.5px; font-weight: 500; color: var(--text-secondary);
  text-decoration: none;
}
.card-detail-link:hover { color: var(--brand); text-decoration: underline; }
.cta-note { margin: 6px 0 0; font-size: 11px; color: var(--muted); line-height: 1.35; }
.card-foot { margin: 0; font-size: 11.5px; color: var(--muted); }
.card-temporal { margin: 0; font-size: 12px; color: var(--text-secondary); }

/* ---------------------------------------------------- botões */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 10px 16px; border-radius: var(--radius-sm);
  font-size: 13.5px; font-weight: 600; text-decoration: none;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
}
.btn-primary { background: var(--brand); color: var(--brand-ink); }
.btn-primary:hover { background: var(--brand-strong); }
.btn-ghost { background: var(--surface-1); color: var(--text-secondary); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--surface-3); color: var(--text-primary); }
.btn-disabled {
  background: var(--surface-3); color: var(--muted);
  border-color: var(--border); cursor: not-allowed;
}
.btn-full { width: 100%; }
.btn-lg { padding: 12px 22px; font-size: 15px; }
.btn-sm { padding: 6px 11px; font-size: 12.5px; }

/* ---------------------------------------------------- detalhe */
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 13px; margin-bottom: 16px; color: var(--muted); }
.breadcrumb a { color: var(--text-secondary); text-decoration: none; }
.breadcrumb a:hover { color: var(--brand); text-decoration: underline; }
.breadcrumb .current { color: var(--muted); }

.detail {
  display: grid; grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
  gap: 28px; background: var(--surface-1);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; margin-bottom: 22px;
}
.detail-media {
  background: var(--surface-3); border-radius: var(--radius);
  min-height: 300px; display: grid; place-items: center;
  grid-template-columns: minmax(0, 1fr);
  padding: 18px; gap: 8px; overflow: hidden;
}
.detail-media img { max-height: 340px; max-width: 100%; object-fit: scale-down; }
.media-note { font-size: 12px; color: var(--muted); margin: 0; text-align: center; }
.detail-info { display: flex; flex-direction: column; gap: 12px; }
.detail-info h1 { font-size: 22px; font-weight: 650; }
.warn-note {
  margin: 0; padding: 10px 13px; border-radius: var(--radius-sm);
  background: var(--warning-wash); color: var(--warning-ink); font-size: 13px;
}
.why { margin: 0; font-size: 13.5px; color: var(--text-secondary); }

.detail-temporal { margin: 0; font-size: 13px; color: var(--text-secondary); line-height: 1.5; }
.detail-block { margin-top: 6px; }
.detail-block h2 {
  font-size: 14px; margin-bottom: 6px; color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: .03em;
}
.specs { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px 20px; margin: 4px 0; }
.specs div { display: flex; flex-direction: column; gap: 1px; }
.specs dt { font-size: 11.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.specs dd { margin: 0; font-size: 13.5px; color: var(--text-primary); }
.mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 12.5px; }
.detail-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }

/* ---------------------------------------------------- painéis */
.panel {
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-bottom: 22px;
}
.panel-head { margin-bottom: 14px; }
.panel-head h2 { font-size: 17px; }
.panel-head p { margin: 3px 0 0; font-size: 13px; color: var(--text-secondary); }

.stat-row { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); margin-bottom: 16px; }
.stat {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 11px 13px;
  display: flex; flex-direction: column; gap: 2px;
}
.stat span { font-size: 11.5px; color: var(--text-secondary); }
.stat strong { font-size: 19px; font-weight: 650; }

.highlight-note {
  margin: 0 0 14px; padding: 10px 13px; border-radius: var(--radius-sm);
  background: var(--good-wash); color: var(--good-ink);
  font-size: 13px; font-weight: 600;
}

/* ---------------------------------------------------- gráfico */
.chart-figure { margin: 0; }
.chart-wrap { position: relative; background: var(--surface-1); border-radius: var(--radius-sm); }
.price-chart { display: block; width: 100%; height: auto; overflow: visible; }
.price-chart .axis-label { fill: var(--muted); font-size: 11px; font-family: inherit; font-variant-numeric: tabular-nums; }
.price-chart .point-label { fill: var(--text-secondary); font-size: 11px; font-weight: 600; font-family: inherit; }
.price-chart .hit { cursor: crosshair; }
.chart-figure figcaption { margin-top: 8px; font-size: 12px; color: var(--muted); }
.chart-tooltip {
  position: absolute; pointer-events: none; z-index: 5;
  transform: translate(-50%, -100%);
  background: var(--text-primary); color: var(--surface-1);
  padding: 6px 10px; border-radius: 6px; font-size: 12px;
  white-space: nowrap; box-shadow: var(--shadow);
}
.chart-tooltip strong { display: block; font-size: 13px; font-variant-numeric: tabular-nums; }

/* ---------------------------------------------------- tabelas */
.table-view { margin-top: 14px; }
.table-view summary { cursor: pointer; font-size: 13.5px; color: var(--brand); font-weight: 600; }
.table-view .table-scroll { margin-top: 10px; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
thead th {
  text-align: left; padding: 9px 10px; font-size: 11.5px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .03em; color: var(--muted);
  border-bottom: 1px solid var(--border-strong); white-space: nowrap;
}
tbody td { padding: 10px; border-bottom: 1px solid var(--grid); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--surface-2); }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
th.num { text-align: right; }
.strong { font-weight: 650; }
.cell-product { min-width: 230px; }
.cell-product a { text-decoration: none; font-weight: 600; color: var(--text-primary); }
.cell-product a:hover { color: var(--brand); }
.cell-product small { display: block; font-size: 11.5px; color: var(--muted); }
.cell-spark { width: 140px; }
.tag-low {
  font-size: 10.5px; font-weight: 700; padding: 2px 6px; border-radius: 999px;
  background: var(--good-wash); color: var(--good-ink);
}

/* ---------------------------------------------------- linha do tempo */
.timeline { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.ev {
  display: grid; grid-template-columns: 108px 96px 1fr; gap: 10px;
  padding: 8px 0; border-bottom: 1px solid var(--grid);
  font-size: 13px; align-items: center;
}
.ev:last-child { border-bottom: none; }
.ev-when { color: var(--muted); font-variant-numeric: tabular-nums; }
.ev-when small { display: block; font-size: 11px; opacity: .8; }
.ev-state em { font-style: normal; color: var(--muted); font-weight: 600; }
.ev-state { font-weight: 650; font-size: 12px; }
.ev-unchanged .ev-state { color: var(--text-secondary); }
.ev-changed .ev-state { color: var(--series-1); }
.ev-failed .ev-state { color: var(--critical-ink); }
.ev-reason { color: var(--text-secondary); }

/* ---------------------------------------------------- vazios / texto */
.empty {
  background: var(--surface-1); border: 1px dashed var(--border-strong);
  border-radius: var(--radius); padding: 44px 24px; text-align: center;
}
.empty h1, .empty h2 { font-size: 18px; margin-bottom: 6px; }
.empty p { color: var(--text-secondary); max-width: 56ch; margin: 0 auto 16px; }
.empty-inline { color: var(--text-secondary); font-size: 13.5px; margin: 0; }
code {
  background: var(--surface-3); padding: 1px 6px; border-radius: 4px;
  font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12.5px;
}
.prose h2 { font-size: 16px; margin: 20px 0 6px; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: var(--text-secondary); font-size: 14px; }
.prose p { margin: 0 0 8px; max-width: 76ch; }
.do-not { margin: 0; padding-left: 20px; }
.do-not li { margin-bottom: 5px; }
.state-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); margin: 10px 0 4px; }
.state-box { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 13px 15px; }
.state-box .badge { margin-bottom: 7px; display: inline-block; }
.state-box p { margin: 0; font-size: 13px; }
.back-link { font-size: 13.5px; }
.back-link a, .library-result .clear {
  display: inline-flex; align-items: center; min-height: 24px;
}
.back-link a { text-decoration: none; }

/* ---------------------------------------------------- rodapé */
.site-footer { border-top: 1px solid var(--border); background: var(--surface-1); }
.footer-inner { max-width: 1220px; margin: 0 auto; padding: 20px 18px 30px; }
.footer-inner p { margin: 0 0 5px; font-size: 12.5px; color: var(--text-secondary); }
.affiliate-disclosure {
  padding: 10px 13px; margin-bottom: 10px !important;
  background: var(--surface-3); border-radius: var(--radius-sm);
  color: var(--text-primary) !important; font-size: 12.5px;
}
.affiliate-disclosure a { color: var(--brand); }
.footer-meta { color: var(--muted) !important; }
.footer-meta a { color: var(--muted); }

/* ---------------------------------------------------- responsivo */
@media (max-width: 900px) {
  .detail { grid-template-columns: 1fr; padding: 16px; gap: 18px; }
  .detail-media { min-height: 220px; }
  .header-inner {
    grid-template-columns: auto minmax(0, 1fr);
    grid-template-areas: "brand nav" "search search";
    row-gap: 10px; padding: 10px 14px;
  }
  .main-nav { justify-content: flex-end; overflow-x: auto; }
  .search { max-width: none; }
}
@media (max-width: 620px) {
  body { font-size: 14.5px; }
  .header-inner {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "brand" "search" "nav";
  }
  .main-nav { justify-content: flex-start; margin: 0 -14px; padding: 0 14px; }
  .main-nav::-webkit-scrollbar { display: none; }
  .page { padding: 16px 12px 42px; }
  .brand-text small { display: none; }
  .main-nav a { padding: 7px 9px; font-size: 13px; }
  .kpi-row { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .kpi { padding: 11px 12px; }
  .kpi-value { font-size: 22px; }
  /* coluna única no celular: dois cards estreitos lado a lado são
     ilegíveis (título quebra em muitas linhas, card fica altíssimo) */
  .grid { grid-template-columns: 1fr; gap: 12px; }
  .card-media { height: 150px; }
  .price-now { font-size: 20px; }
  .price-block.big .price-now { font-size: 28px; }
  .filter-bar { padding: 10px; gap: 10px; }
  .result-count { margin-left: 0; flex-basis: 100%; }
  .segmented { width: 100%; }
  .seg { flex: 1; text-align: center; padding: 8px 6px; }
  .ev { grid-template-columns: 1fr; gap: 2px; padding: 10px 0; }
}

/* ---- monitor de preços: no celular, cada oferta vira um cartão ----
   Uma tabela de 8 colunas de desktop é ilegível em 360–412 px. Abaixo
   de 760 px a mesma <table> é reapresentada como lista de cartões: o
   cabeçalho some visualmente e cada célula ganha seu rótulo via
   data-label. A tabela acessível continua intacta em telas maiores. */
@media (max-width: 760px) {
  .monitor-table thead {
    position: absolute; width: 1px; height: 1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
  }
  .monitor-table, .monitor-table tbody, .monitor-table tr, .monitor-table td {
    display: block; width: 100%;
  }
  .monitor-table tr {
    border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--surface-1); padding: 12px 14px; margin-bottom: 12px;
  }
  .monitor-table td {
    border: none; padding: 5px 0;
    display: flex; align-items: baseline; justify-content: space-between; gap: 14px;
    text-align: right;
  }
  .monitor-table td::before {
    content: attr(data-label); text-align: left;
    color: var(--text-secondary); font-size: 12px; font-weight: 600;
    text-transform: none; letter-spacing: 0; flex: none;
  }
  .monitor-table td.cell-product { display: block; text-align: left; margin-bottom: 4px; }
  .monitor-table td.cell-product::before { content: none; }
  .monitor-table td.cell-spark { justify-content: flex-start; }
  .monitor-table td.num { font-variant-numeric: tabular-nums; }
  .monitor-table .sparkline { max-width: 160px; }
}

@media (prefers-reduced-motion: reduce) {
  .card { transition: none; }
  .card:hover { transform: none; }
  * { scroll-behavior: auto !important; }
}

/* ------------------------------------- canais de conteúdo (painel interno) */
/* Painel interno de roadmap, servido só com opt-in em desenvolvimento. Sem
   player, sem host de terceiro, sem script: o resumo extra do cartão é
   revelado por CSS em hover E em foco, e fica sempre visível onde não há
   hover (celular) — nunca só em hover. */
.nav-extra { display: inline; }

/* Faixa que diz, na própria página, que aquilo não é o site do visitante. */
.aviso-interno {
  margin: 0 0 12px; padding: 9px 12px;
  background: var(--surface-3); border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 13px; color: var(--text-secondary);
}

.canal-grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.canal-card {
  display: flex; flex-direction: column; gap: 7px; height: 100%;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 15px 16px;
  text-decoration: none; color: inherit;
  transition: border-color .15s ease, background .15s ease;
}
.canal-card:hover { background: var(--surface-3); border-color: var(--border-strong); }
.canal-card__top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.canal-card__nome { font-size: 15.5px; font-weight: 600; color: var(--text-primary); }
.canal-card__resumo { font-size: 13.5px; color: var(--text-secondary); }
.canal-card__mais {
  font-size: 13px; color: var(--text-secondary);
  border-top: 1px solid var(--border); padding-top: 8px;
  max-height: 0; opacity: 0; overflow: hidden; padding-top: 0; border-top-width: 0;
  transition: max-height .18s ease, opacity .18s ease;
}
.canal-card:hover .canal-card__mais,
.canal-card:focus .canal-card__mais,
.canal-card:focus-visible .canal-card__mais,
.canal-card:focus-within .canal-card__mais {
  max-height: 16em; opacity: 1; padding-top: 8px; border-top-width: 1px;
}
.canal-card__link { margin-top: auto; font-size: 13px; font-weight: 600; color: var(--brand); }

.canal-estado { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 10px; }
.canal-estado span:last-child { font-size: 13px; color: var(--text-secondary); }

.canal-acao { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.canal-acao__motivo { margin: 0; font-size: 13px; color: var(--text-secondary); max-width: 70ch; }
.canal-subtitulo { font-size: 14.5px; margin: 18px 0 6px; }
.canal-criterios { margin: 0; padding-left: 20px; }
.canal-criterios li { font-size: 13.5px; color: var(--text-secondary); margin-bottom: 4px; }

/* Sem hover (toque) ou tela estreita: o texto extra fica SEMPRE visível. */
@media (hover: none), (max-width: 760px) {
  .canal-card__mais {
    max-height: none; opacity: 1; overflow: visible;
    padding-top: 8px; border-top-width: 1px;
  }
}
/* Com a entrada de canais ligada são 4 itens; ela estourava 392px de conteúdo
   em 360px de tela. Abaixo de 620px o rótulo vira "Canais" e o espaçamento
   aperta o suficiente para os quatro itens caberem sem corte e sem rolagem
   lateral. Com o painel desligado sobram 3 itens e a folga só aumenta. */
@media (max-width: 620px) {
  .nav-extra { display: none; }
  .main-nav { gap: 2px; }
  .main-nav a { padding: 7px 5px; }
}
@media (prefers-reduced-motion: reduce) {
  .canal-card, .canal-card__mais { transition: none; }
}

/* ----------------------------------------- Biblioteca de Produtos (S5.1) */
.eyebrow {
  margin: 0 0 5px !important; color: var(--brand) !important;
  font-size: 12px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase;
}
.guide-head { padding: 10px 0 4px; }
.library-result {
  display: flex; align-items: center; gap: 12px; justify-content: space-between;
  margin: 0 0 16px; color: var(--text-secondary); font-size: 13.5px;
}
.library-result p { margin: 0; }
.guide-grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr));
}
.guide-card {
  display: flex; flex-direction: column; gap: 10px;
  background: var(--surface-1); border: 1px solid var(--border);
  border-top: 3px solid var(--brand); border-radius: var(--radius);
  padding: 18px; min-width: 0; box-shadow: var(--shadow);
}
.guide-card h2 { font-size: 18px; }
.guide-card h2 a { color: var(--text-primary); text-decoration: none; }
.guide-card h2 a:hover { color: var(--brand); }
.guide-card > p { margin: 0; color: var(--text-secondary); }
.guide-card .card-detail-link { margin-top: auto; padding-top: 7px; }
.badge-demo { background: var(--warning-wash); color: var(--warning-ink); }
.guide-card-specs, .guide-specs { margin: 0; }
.guide-card-specs div {
  display: grid; grid-template-columns: minmax(80px, .5fr) 1fr; gap: 8px;
  padding: 7px 0; border-top: 1px solid var(--grid); font-size: 13px;
}
.guide-card-specs dt, .guide-specs dt { color: var(--muted); font-size: 12px; }
.guide-card-specs dd, .guide-specs dd { margin: 0; }

.guide-detail { display: grid; gap: 18px; max-width: 930px; margin: 0 auto; }
.guide-title {
  padding: 26px; background: var(--surface-1); border: 1px solid var(--border);
  border-radius: var(--radius);
}
.guide-title h1 { font-size: clamp(26px, 4vw, 40px); max-width: 24ch; }
.guide-lead { font-size: 18px; color: var(--text-secondary); max-width: 68ch; margin: 12px 0; }
.guide-byline { margin: 0; color: var(--muted); font-size: 12.5px; }
.demo-banner, .needs-update-banner, .retired-banner {
  border-radius: var(--radius-sm); padding: 12px 14px; font-size: 13.5px;
}
.demo-banner { background: var(--warning-wash); color: var(--warning-ink); border: 1px solid currentColor; }
.needs-update-banner { background: var(--warning-wash); color: var(--warning-ink); border: 2px solid currentColor; }
.retired-banner { background: var(--critical-wash); color: var(--critical-ink); border: 1px solid currentColor; }
.badge-review { background: var(--warning-wash); color: var(--warning-ink); }
.guide-section {
  min-width: 0; padding: 22px 24px; background: var(--surface-1);
  border: 1px solid var(--border); border-radius: var(--radius);
}
.guide-section h2 { font-size: 19px; margin-bottom: 9px; }
.guide-section h3 { font-size: 15px; }
.guide-section p { color: var(--text-secondary); }
.guide-section > :last-child { margin-bottom: 0; }
.guide-section li { margin-bottom: 7px; color: var(--text-secondary); }
.split-sections { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.split-sections ul { padding-left: 20px; margin-bottom: 0; }
.caution { border-left: 4px solid var(--warning-ink); }
.guide-specs {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px;
}
.guide-specs div { padding: 12px; background: var(--surface-2); border-radius: var(--radius-sm); }
.guide-specs dt { text-transform: uppercase; letter-spacing: .04em; }
.guide-specs dd { margin: 3px 0 0; font-weight: 600; }
.guide-prose { overflow-wrap: anywhere; }
.guide-prose h2 { margin-top: 22px; }
.guide-prose h2:first-child { margin-top: 0; }
.guide-prose table { display: block; max-width: 100%; overflow-x: auto; }

.mascot { background: linear-gradient(145deg, var(--brand-wash), var(--surface-1) 62%); }
.mascot-intro { display: flex; gap: 13px; align-items: flex-start; margin-bottom: 14px; }
.mascot-intro p { margin: 4px 0 0; }
.mascot-mark {
  display: grid; place-items: center; width: 45px; height: 45px; flex: none;
  border-radius: 50% 50% 46% 54%; background: var(--brand); color: var(--brand-ink);
  font-size: 12px; font-weight: 800;
}
.mascot-questions, .faq-list { display: grid; gap: 8px; }
.mascot-questions details, .faq-list details {
  background: var(--surface-1); border: 1px solid var(--border);
  border-radius: var(--radius-sm); overflow: clip;
}
.mascot-questions summary, .faq-list summary {
  min-height: 44px; display: flex; align-items: center; cursor: pointer;
  padding: 10px 13px; font-weight: 650; color: var(--text-primary);
}
.mascot-questions details p, .faq-list details p { margin: 0; padding: 0 13px 13px; }
.sources ol { padding-left: 22px; overflow-wrap: anywhere; }
.video-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.video-facade { padding: 16px; background: var(--surface-2); border-radius: var(--radius-sm); }
.video-provider { font-size: 12px; color: var(--muted); text-transform: uppercase; }
.video-load { min-height: 44px; }
.video-player iframe { display: block; width: 100%; aspect-ratio: 16 / 9; border: 0; border-radius: var(--radius-sm); }
.video-privacy, .video-alternative { color: var(--muted); font-size: 0.9rem; }
.video-transcript summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; }
.btn-secondary { background: var(--surface-2); color: var(--brand); border-color: var(--border-strong); }
.btn-secondary:hover { background: var(--surface-3); }
.offer-band { border-top: 4px solid var(--good); }
.guide-offer-links { display: flex; flex-wrap: wrap; gap: 10px; }
.guide-offer-links .btn {
  max-width: 100%; min-width: 0; white-space: normal; overflow-wrap: anywhere;
}
.offer-guide-band {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px;
  align-items: center; padding: 13px; background: var(--brand-wash);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
}
.offer-guide-band span { color: var(--text-secondary); font-size: 12px; }
.offer-guide-band strong { grid-column: 1; font-size: 14px; }
.offer-guide-band .btn { grid-column: 2; grid-row: 1 / span 2; }

@media (max-width: 620px) {
  .guide-title, .guide-section { padding: 17px 15px; }
  .guide-lead { font-size: 16px; }
  .split-sections { grid-template-columns: 1fr; gap: 16px; }
  .guide-grid { grid-template-columns: 1fr; }
  .offer-guide-band { grid-template-columns: 1fr; }
  .offer-guide-band strong, .offer-guide-band .btn { grid-column: 1; grid-row: auto; }
  .offer-guide-band .btn { width: 100%; margin-top: 6px; }
}