/* ==========================================================================
   LotoPrime — Estilos para Páginas Institucionais, Artigos e Guias
   Reaproveita integralmente o sistema de tokens e temas de styles.css
   ========================================================================== */

.inst-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
}

/* ---------- Header Institucional ---------- */
.inst-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg, var(--surface));
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.inst-header-inner {
  max-width: var(--max, 1360px);
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.inst-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.inst-nav a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.15s ease;
  text-decoration: none;
}

.inst-nav a:hover,
.inst-nav a.ativo {
  color: var(--primary-text, var(--primary));
}

.inst-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ---------- Layout de Conteúdo ---------- */
.inst-container {
  flex: 1 0 auto;
  max-width: 920px;
  width: 100%;
  margin: 2.5rem auto 4rem;
  padding: 0 1.25rem;
}

.inst-artigo {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg, 18px);
  padding: 2.5rem;
  box-shadow: 0 4px 20px -8px rgba(0, 0, 0, 0.25);
}

.inst-artigo-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.75rem;
  margin-bottom: 2rem;
}

.inst-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--r-full, 999px);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--primary-soft);
  color: var(--primary-text);
  margin-bottom: 0.85rem;
}

.inst-titulo {
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--text);
  margin: 0 0 0.85rem 0;
}

.inst-lead {
  font-size: 1.1rem;
  color: var(--muted);
  line-height: 1.6;
  margin: 0 0 1rem 0;
}

.inst-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.82rem;
  color: var(--dim, var(--muted));
  font-family: var(--font-mono);
}

/* ---------- Tipografia e Corpo do Artigo ---------- */
.inst-corpo {
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--text);
}

.inst-corpo h2 {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 2.25rem 0 0.85rem 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.inst-corpo h3 {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--text);
  margin: 1.5rem 0 0.6rem 0;
}

.inst-corpo p {
  margin: 0 0 1.25rem 0;
  color: var(--text);
}

.inst-corpo ul,
.inst-corpo ol {
  margin: 0 0 1.5rem 1.25rem;
  padding: 0;
}

.inst-corpo li {
  margin-bottom: 0.5rem;
  color: var(--text);
}

.inst-corpo strong {
  font-weight: 700;
  color: var(--text);
}

.inst-corpo a {
  color: var(--primary-text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.inst-corpo a:hover {
  color: var(--primary);
}

/* Box de Destaque / Callout */
.inst-box {
  background: var(--surface-2, rgba(255, 255, 255, 0.03));
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: var(--r-md, 12px);
  padding: 1.25rem 1.5rem;
  margin: 1.75rem 0;
}

.inst-box.box-alerta {
  border-left-color: var(--warning, #f59e0b);
  background: rgba(245, 158, 11, 0.06);
}

.inst-box.box-sucesso {
  border-left-color: var(--success, #10b981);
  background: rgba(16, 185, 129, 0.06);
}

/* Tabelas nos artigos */
.inst-tabela-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 1.75rem 0;
  border-radius: var(--r-md, 12px);
  border: 1px solid var(--border);
}

.inst-tabela {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  text-align: left;
}

.inst-tabela th {
  background: var(--surface-3, var(--surface));
  color: var(--text);
  font-weight: 700;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}

.inst-tabela td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

.inst-tabela tr:last-child td {
  border-bottom: none;
}

.inst-tabela tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.015);
}

/* Grid de Cards Institucionais */
.inst-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

.inst-card {
  background: var(--surface-2, rgba(255, 255, 255, 0.03));
  border: 1px solid var(--border);
  border-radius: var(--r-md, 12px);
  padding: 1.5rem;
  transition: transform 0.15s ease, border-color 0.15s ease;
  display: flex;
  flex-direction: column;
}

.inst-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
}

.inst-card-ico {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.inst-card h3 {
  font-size: 1.15rem;
  margin: 0 0 0.5rem 0;
}

.inst-card p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0;
  flex: 1 0 auto;
}

/* ---------- Rodapé Institucional ---------- */
.inst-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 3.5rem 1.25rem 2.5rem;
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: auto;
}

.inst-footer-inner {
  max-width: var(--max, 1360px);
  margin: 0 auto;
}

.inst-footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.inst-footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 1rem 0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.inst-footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.inst-footer-col li {
  margin-bottom: 0.6rem;
}

.inst-footer-col a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.inst-footer-col a:hover {
  color: var(--primary-text, var(--primary));
}

.inst-footer-aviso {
  border-top: 1px solid var(--border);
  padding-top: 1.75rem;
  margin-top: 1.75rem;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--dim, var(--muted));
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.inst-footer-copy {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

/* Responsividade celular */
@media (max-width: 840px) {
  .inst-artigo {
    padding: 1.5rem;
  }
  .inst-titulo {
    font-size: 1.65rem;
  }
  .inst-footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  .inst-nav {
    display: none; /* no mobile foca em entrar e alternar tema */
  }
}

@media (max-width: 520px) {
  .inst-footer-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .inst-container {
    margin: 1.5rem auto 3rem;
  }
  .inst-artigo {
    padding: 1.25rem;
    border-radius: var(--r-md, 12px);
  }
}