.theme-switch {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 3px;
  border: 1px solid var(--card-border, var(--border));
  border-radius: 12px;
  background: var(--card);
}

.theme-choice {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-width: 34px;
  min-height: 34px;
  padding: 7px 9px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--text-dim);
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.theme-choice:hover { color: var(--text); background: rgba(139, 92, 246, .1); }
.theme-choice.is-active { color: #fff; background: var(--accent-grad, linear-gradient(135deg, #7847ea, #ed3e9d)); }
.theme-choice-label { display: none; }

@media (max-width: 860px) {
  .nav-theme { margin-top: 8px; }
  .nav-theme .theme-switch { display: flex; width: 100%; }
  .nav-theme .theme-choice { flex: 1; min-height: 46px; font-size: 15px; }
  .nav-theme .theme-choice-label { display: inline; }
}