/* Header padronizado em todas as páginas - mesmo layout e estilo */
.site-header {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #30363d;
  flex-wrap: wrap;
  background: #0d1117;
  width: 100%;
  box-sizing: border-box;
}
.site-header a {
  color: #8b949e !important;
  text-decoration: none !important;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  font-size: 0.95rem;
  background: transparent !important;
  border: none !important;
  font-family: inherit;
}
.site-header a:hover {
  color: #58a6ff !important;
  background: #30363d !important;
}
.site-header .btn-sair {
  margin-left: auto;
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  background: transparent !important;
  color: #8b949e !important;
  border: 1px solid #30363d !important;
  cursor: pointer;
  border-radius: 6px;
  font-family: inherit;
  width: auto !important;
  min-width: 4rem;
}
.site-header .btn-sair:hover {
  color: #e6edf3 !important;
  background: #30363d !important;
}
.site-header .btn-sair.hidden {
  display: none !important;
}