.tiertesting-layout {
  grid-template-columns: 230px 1fr;
}

.tiertesting-main {
  padding: 110px 20px 20px;
  display: grid;
  gap: 16px;
  align-content: start;
}

.glass-card {
  background: rgba(16, 16, 16, 0.86);
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.38);
}

.tiertesting-header {
  padding: 18px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
}

.tiertesting-header h1 {
  font-size: 28px;
  margin-bottom: 4px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.tiertesting-header p {
  opacity: 0.78;
}

.tiertesting-meta {
  font-size: 13px;
  opacity: 0.82;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tiertesting-panel {
  overflow: hidden;
  padding: 16px;
}

.feed-empty {
  padding: 18px;
  border-radius: 6px;
  border: 1px dashed rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.74);
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.sidebar nav a.is-active {
  background: linear-gradient(90deg, rgba(81, 214, 146, 0.18), rgba(81, 214, 146, 0));
  box-shadow: inset 0 0 0 1px rgba(81, 214, 146, 0.5), 0 0 12px rgba(81, 214, 146, 0.2);
}

@media (max-width: 980px) {
  .tiertesting-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

  .topbar {
    left: 16px;
  }

  .tiertesting-main {
    padding-top: 88px;
  }

  .tiertesting-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .tiertesting-meta {
    align-self: flex-end;
  }
}