.theme-toggle{border-radius:var(--dash-radius-btn);background:var(--surface-card);border:1px solid var(--border-light);width:36px;height:36px;color:var(--dash-muted);cursor:pointer;flex:0 0 36px;justify-content:center;align-items:center;transition:background .15s,color .15s,border-color .15s;display:inline-flex}.theme-toggle:hover{color:var(--dash-accent);border-color:var(--dash-accent);background:var(--dash-accent-soft)}.theme-toggle:focus-visible{border-color:var(--border-accent-strong);box-shadow:0 0 0 3px var(--accent-indigo-glow-subtle);outline:none}.theme-toggle svg{width:18px;height:18px}.theme-toggle__placeholder{width:18px;height:18px;display:block}