/* ===========================================================
   SATOSPOLIO — Rulebook Page
   Foco total na leitura: fundo escuro suave, texto amplo,
   tipografia serif para o corpo, sem distrações.
   =========================================================== */

:root {
  --bg: #111214;
  --bg-soft: #18191d;
  --bg-card: #1e1f24;
  --orange: #F7931A;
  --orange-dim: #a86210;
  --cream: #E8E0D0;
  --cream-dim: #A09880;
  --cream-faint: #504840;
  --terminal: #00C97A;
  --red-dim: #c0392b;
  --line: #2A2A2E;
  --line-light: #343438;

  --font-display: 'Archivo Black', sans-serif;
  --font-serif: 'Source Serif 4', Georgia, serif;
  --font-mono: 'JetBrains Mono', monospace;

  --max-w: 720px;
  --chapter-gap: 72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--cream);
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

/* ============ BARRA DE PROGRESSO ============ */
.progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: var(--orange);
  width: 0%;
  z-index: 200;
  transition: width 0.1s linear;
}

/* ============ TOPBAR ============ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(17,18,20,0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 14px 32px;
}
.topbar-logo {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--orange);
  text-decoration: none;
}
.topbar-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cream-dim);
  margin-left: auto;
}

/* ============ LINKS DE NAVEGAÇÃO ============ */
.site-nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav-links li { display: flex; }

.site-nav-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cream-dim);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.15s;
}

.site-nav-links a:hover,
.site-nav-links a.active {
  color: var(--orange);
}

@media (max-width: 720px) {
  .topbar {
    padding: 12px 16px;
  }
  .site-nav-links {
    gap: 1rem;
    flex-wrap: wrap;
  }
  .site-nav-links a {
    font-size: 0.7rem;
  }
  .topbar-label {
    margin-left: 0;
  }
}

/* ============ LAYOUT PRINCIPAL ============ */
.page {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 64px 24px 120px;
}

/* ============ CABEÇALHO DO LIVRO ============ */
.book-header {
  text-align: center;
  padding-bottom: var(--chapter-gap);
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--chapter-gap);
}
.book-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--orange);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.book-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 8vw, 4rem);
  color: var(--cream);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.book-subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--cream-dim);
  font-size: 0.95rem;
  margin-bottom: 48px;
}

/* Índice */
.toc {
  text-align: left;
  background: var(--bg-card);
  border: 1px solid var(--line-light);
  border-radius: 6px;
  padding: 28px 32px;
  display: inline-block;
  min-width: 320px;
}
.toc-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--orange);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.toc-list {
  list-style: none;
  counter-reset: none;
}
.toc-list li { margin-bottom: 6px; }
.toc-list a {
  color: var(--cream-dim);
  text-decoration: none;
  font-family: var(--font-serif);
  font-size: 0.92rem;
  transition: color 0.15s;
}
.toc-list a:hover { color: var(--orange); }
.toc-list ol {
  list-style: none;
  padding-left: 16px;
  margin-top: 4px;
}
.toc-list ol li { margin-bottom: 3px; }
.toc-list ol a { font-size: 0.85rem; color: var(--cream-faint); }
.toc-list ol a:hover { color: var(--orange); }

/* ============ CAPÍTULOS ============ */
.chapter {
  margin-bottom: var(--chapter-gap);
  padding-bottom: var(--chapter-gap);
  border-bottom: 1px solid var(--line);
}
.chapter:last-of-type { border-bottom: none; }
.sub-chapter { margin-top: calc(var(--chapter-gap) * -0.5); }

.chapter-title {
  font-family: var(--font-display);
  font-size: 1.55rem;
  color: var(--cream);
  margin-bottom: 28px;
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.chapter-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.85rem;
  color: var(--cream-dim);
  font-weight: 400;
}
.chapter-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--orange);
  min-width: 28px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--cream);
  margin-top: 36px;
  margin-bottom: 14px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.section-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.82rem;
  color: var(--cream-dim);
  font-weight: 400;
}

p { margin-bottom: 16px; }
p:last-child { margin-bottom: 0; }

ul, ol {
  padding-left: 24px;
  margin-bottom: 16px;
}
li { margin-bottom: 6px; }

strong { color: var(--cream); font-weight: 600; }
em { color: var(--cream-dim); }

/* ============ CONCEITOS ETF vs SATS ============ */
.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 24px 0;
}
.concept-card {
  border-radius: 6px;
  padding: 24px;
  border: 1px solid var(--line-light);
}
.concept-card--etf { background: var(--bg-soft); }
.concept-card--sats {
  background: linear-gradient(160deg, rgba(247,147,26,0.07), transparent);
  border-color: var(--orange-dim);
}
.concept-name {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--cream);
  margin-bottom: 10px;
}
.concept-name span {
  font-family: var(--font-serif);
  font-size: 0.78rem;
  color: var(--cream-dim);
  font-weight: 400;
  display: block;
  margin-top: 2px;
}
.concept-card p { font-size: 0.9rem; color: var(--cream-dim); margin: 0; }

/* ============ DESTAQUES E CAIXAS ============ */
blockquote.highlight {
  border-left: 3px solid var(--orange);
  padding: 16px 20px;
  margin: 24px 0;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--cream);
  background: var(--bg-soft);
  border-radius: 0 4px 4px 0;
}

.warning-box {
  background: rgba(247,147,26,0.08);
  border: 1px solid var(--orange-dim);
  border-radius: 4px;
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--orange);
  margin: 20px 0;
}

.note-box {
  background: var(--bg-soft);
  border: 1px solid var(--line-light);
  border-radius: 4px;
  padding: 16px 18px;
  font-size: 0.88rem;
  color: var(--cream-dim);
  margin: 20px 0;
}

.info-box {
  background: var(--bg-card);
  border: 1px solid var(--line-light);
  border-left: 3px solid var(--terminal);
  border-radius: 0 4px 4px 0;
  padding: 20px 22px;
  margin: 24px 0;
  font-size: 0.92rem;
}
.info-box-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--terminal);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.info-box p { color: var(--cream-dim); margin-bottom: 10px; }
.info-box p:last-child { margin-bottom: 0; }

.exception-box {
  background: var(--bg-card);
  border: 1px solid var(--line-light);
  border-left: 3px solid var(--orange);
  border-radius: 0 4px 4px 0;
  padding: 18px 20px;
  margin: 20px 0;
  font-size: 0.92rem;
}
.exception-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--orange);
  letter-spacing: 0.06em;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.exception-box p { color: var(--cream-dim); margin: 0; }

.principle-box {
  background: var(--bg-card);
  border: 1px solid var(--line-light);
  border-radius: 4px;
  padding: 20px 22px;
  margin-bottom: 28px;
}
.principle-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cream-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.principle-box p { color: var(--cream-dim); margin: 0; }

.example-box {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 16px 20px;
  margin: 16px 0;
  font-size: 0.9rem;
}
.example-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cream-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.example-box ul { margin: 0; padding-left: 20px; }
.example-box li { color: var(--cream-dim); margin-bottom: 4px; }

.example-rate {
  font-size: 1.1rem;
  color: var(--cream);
  margin: 16px 0;
  text-align: center;
}

.formula {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  background: var(--bg-card);
  border: 1px solid var(--line-light);
  border-radius: 4px;
  padding: 12px 16px;
  color: var(--terminal);
  margin: 16px 0;
  text-align: center;
}

/* ============ TABELAS ============ */
.table-wrap { overflow-x: auto; margin: 20px 0; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cream-dim);
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line-light);
}
td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--cream-dim);
  vertical-align: top;
}
tr:last-child td { border-bottom: none; }
.total-row td {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--orange);
  border-top: 1px solid var(--line-light);
  border-bottom: none;
}
.highlight-row td { background: rgba(247,147,26,0.04); }
.yes { color: var(--terminal); }
.no { color: var(--cream-faint); }

.voucher-table { max-width: 400px; }
.distinction-table td:first-child { color: var(--cream-dim); font-size: 0.85rem; }
.distinction-table td:not(:first-child) { font-family: var(--font-mono); font-size: 0.82rem; }
.ref-table td:first-child { color: var(--cream); }
.ref-table td:last-child { font-family: var(--font-mono); font-size: 0.82rem; color: var(--cream-dim); }

/* ============ NOMES DOS JOGADORES ============ */
.player-names {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--orange);
  text-align: center;
  letter-spacing: 0.04em;
  background: var(--bg-card);
  border: 1px solid var(--line-light);
  border-radius: 4px;
  padding: 12px;
  margin: 16px 0;
}

/* ============ CARTEIRAS ============ */
.wallet-list { list-style: none; padding: 0; }
.wallet-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  color: var(--cream-dim);
  font-size: 0.92rem;
}
.wallet-list li:last-child { border-bottom: none; }
.wallet-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 2px;
  border: 1px solid;
  white-space: nowrap;
}
.wallet-tag--sats { border-color: var(--orange-dim); color: var(--orange); }
.wallet-tag--etf { border-color: var(--line-light); color: var(--cream-dim); }

/* ============ COFRE PESSOAL ============ */
.cofre-example {
  border: 1px solid var(--line-light);
  border-radius: 4px;
  overflow: hidden;
  margin: 20px 0;
}
.cofre-header {
  background: var(--bg-card);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--orange);
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-light);
  text-align: center;
  letter-spacing: 0.04em;
}
.cofre-table { background: var(--bg-soft); }
.cofre-table td, .cofre-table th { height: 32px; }
.cofre-table .total-row td {
  color: var(--orange);
  border-top: 1px solid var(--line-light);
}

/* ============ PASSOS DE CONTAGEM ============ */
.steps { display: flex; flex-direction: column; gap: 12px; margin: 20px 0; }
.step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 16px 18px;
}
.step--final {
  background: linear-gradient(135deg, rgba(247,147,26,0.06), transparent);
  border-color: var(--orange-dim);
}
.step-num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--orange);
  background: rgba(247,147,26,0.12);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.step div { flex: 1; }
.step strong { display: block; margin-bottom: 6px; }
.step p { font-size: 0.9rem; color: var(--cream-dim); margin: 0; }

/* ============ LIÇÃO ECONÓMICA ============ */
.lesson-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}
.lesson-list li {
  padding-left: 20px;
  border-left: 2px solid var(--line-light);
  color: var(--cream-dim);
  font-size: 0.95rem;
  line-height: 1.65;
}

.final-quote {
  border-left: 3px solid var(--orange);
  padding: 20px 24px;
  margin-top: 32px;
  font-style: italic;
  font-size: 1.15rem;
  color: var(--cream);
  background: var(--bg-soft);
  border-radius: 0 4px 4px 0;
}
.final-quote cite {
  display: block;
  font-size: 0.82rem;
  color: var(--cream-dim);
  font-style: normal;
  margin-top: 10px;
  font-family: var(--font-mono);
}

/* ============ RODAPÉ ============ */
.book-footer {
  text-align: center;
  padding-top: 48px;
  border-top: 1px solid var(--line);
  margin-top: 48px;
}
.book-footer p {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cream-faint);
  margin-bottom: 4px;
}

/* ============ BOTÃO VOLTAR AO TOPO ============ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background: var(--orange);
  color: var(--bg);
  border: none;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  font-size: 1.1rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
  font-family: var(--font-mono);
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}
.back-to-top:hover { transform: translateY(-3px); }

/* ============ RESPONSIVE ============ */
@media (max-width: 600px) {
  .concept-grid { grid-template-columns: 1fr; }
  .page { padding: 40px 16px 80px; }
  .toc { min-width: unset; width: 100%; }
  .back-to-top { bottom: 20px; right: 20px; }
}

/* ── Selector de idioma ─────────────────────────────────────── */
.lang-switch {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--orange, #f7931a);
  text-decoration: none;
  padding: 5px 10px;
  border: 1px solid rgba(247,147,26,0.35);
  border-radius: 4px;
  background: rgba(247,147,26,0.06);
  white-space: nowrap;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.lang-switch:hover {
  background: rgba(247,147,26,0.14);
  border-color: rgba(247,147,26,0.6);
  color: var(--orange, #f7931a);
}