.vision-site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(30, 30, 46, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #636e72;
}

.vision-site-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.vision-site-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
  flex-shrink: 0;
}

.vision-site-brand-logo {
  height: 36px;
  width: auto;
  max-width: 49px;
  display: block;
}

.vision-site-brand-text {
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.vision-site-tabs {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.vision-site-tabs-main {
  display: flex;
  flex: 1 1 auto;
  gap: 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  min-width: 0;
}

.vision-site-tabs-main::-webkit-scrollbar {
  display: none;
}

.vision-site-tab-auth {
  margin-left: auto;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.vision-site-tab-icon {
  width: 1.05em;
  height: 1.05em;
  flex-shrink: 0;
}

.vision-site-tab {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  color: #b2bec3;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.vision-site-tab:hover {
  color: #fff;
  background: rgba(108, 92, 231, 0.15);
}

.vision-site-tab.is-active {
  color: #fff;
  background: #6c5ce7;
  border-color: #6c5ce7;
}

@media (max-width: 640px) {
  .vision-site-header-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .vision-site-brand {
    justify-content: center;
  }

  .vision-site-tabs {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .vision-site-tabs-main {
    justify-content: flex-start;
  }

  .vision-site-tab-auth {
    margin-left: 0;
    align-self: flex-end;
  }
}