/* ═══════════════════════════════════════════════════════════════
   THEME TOGGLE — lives in the app header
   ═══════════════════════════════════════════════════════════════ */
.theme-toggle {
  display: flex;
  align-items: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 3px;
  gap: 2px;
  margin-left: var(--space-4);
}
.theme-toggle__btn {
  width: 30px; height: 30px;
  border: 0;
  background: transparent;
  border-radius: var(--radius-full);
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast) var(--ease-out);
  padding: 0;
}
.theme-toggle__btn svg {
  width: 16px; height: 16px;
  stroke: currentColor;
  stroke-width: 1.75;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.theme-toggle__btn:hover { color: var(--text-primary); }
.theme-toggle__btn[aria-pressed="true"] {
  background: var(--accent-primary);
  color: var(--wine-400);
}
:root[data-theme="light"] .theme-toggle__btn[aria-pressed="true"] {
  color: var(--gray-0);
}