.top-bar {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  text-align: center;
  padding: 8px 15px;
  font-size: 13px;
}

header {
  position: sticky;
  top: 0;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 15px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
  transition: var(--transition);
}

.logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent-color);
  letter-spacing: 1px;
}

.header-actions {
  display: flex;
  gap: 15px;
  align-items: center;
}

.icon-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: var(--transition);
}

.icon-btn:hover {
  background-color: var(--bg-primary);
}

.icon-btn svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}