/* === HEADER === */
header {
  background: rgba(255,255,255,0.85);
  color: var(--av-fg);
  padding: 1em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom-left-radius: 8px;
  border-bottom-right-radius: 8px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

header h1 {
  margin: 0;
  font-size: 1.5em;
  color: var(--av-fg);
}