.header-v31 {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  padding: 0.7rem 1rem;
}

.header-v31 .logo {
  color: inherit;
  text-decoration: none;
  font-weight: 800;
  display: inline-flex;
  gap: 0.2rem;
  white-space: nowrap;
}

.header-v31 .menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.header-v31 .menu a {
  color: inherit;
  text-decoration: none;
  font-size: 0.92rem;
}

.header-v31 .balance,
.header-v31 .status {
  font-weight: 700;
}

.header-v31 .burger-menu {
  display: none;
  border: 0;
  background: transparent;
  color: inherit;
  flex-direction: column;
  gap: 4px;
}

.header-v31 .burger-menu span {
  width: 20px;
  height: 2px;
  background: currentColor;
}

.header-v31 .compact {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto auto auto auto;
  gap: 0.75rem;
  align-items: center;
}
.header-v31 .buttons { display: flex; gap: 0.5rem; }
.header-v31 .rail-menu { max-width: 1280px; margin: 0.35rem auto 0; overflow-x: auto; padding-bottom: 0.2rem; }
.header-v31 .rail-menu .menu ul { width: max-content; gap: 0.9rem; }
.header-v31 .rail-menu .menu a { text-transform: uppercase; font-size: 0.78rem; letter-spacing: 0.08em; opacity: 0.9; }
@media (max-width: 980px) {
  .header-v31 .buttons, .header-v31 .rail-menu { display: none; }
  .header-v31 .compact { grid-template-columns: 1fr auto auto; }
  .header-v31 .burger-menu { display: flex; }
}