.thm{position:relative;display:grid;grid-template-columns:repeat(3,1fr);padding:3px;border-radius:12px;background:var(--surface-2);isolation:isolate}.thm-thumb{position:absolute;z-index:-1;top:3px;bottom:3px;left:3px;width:calc((100% - 6px) / 3);border-radius:9px;background:var(--card);box-shadow:0 1px 3px rgba(0,0,0,.12),0 0 0 .5px rgba(0,0,0,.04);transform:translateX(calc(var(--i, 0) * 100%));transition:transform .3s var(--ease-out-ui,cubic-bezier(.23,1,.32,1))}.thm button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:34px;padding:0 6px;border-radius:9px;color:var(--muted);font-size:13px;font-weight:550;transition:color .2s ease,transform .15s var(--ease-out-ui,ease-out);touch-action:manipulation}.thm button[aria-checked=true]{color:var(--text)}.thm button:active{transform:scale(.96)}:root[data-theme=dark] .thm-thumb{background:#636366;box-shadow:none}@media (prefers-reduced-motion:reduce){.thm-thumb{transition:none}}.acct-menu .thm{margin:6px 6px 4px}.nav-sheet .thm{margin:4px 0 12px}.thm{width:auto;grid-template-columns:repeat(3,minmax(0,1fr))}.thm button{min-width:0;padding:0 4px;gap:4px;white-space:nowrap;overflow:hidden}.thm button span{overflow:hidden;text-overflow:ellipsis}.acct-menu .thm{min-width:252px}.acct-menu .thm button{font-size:12px}.acct-menu .thm button svg{width:14px;height:14px;flex:none}.thm.thm-lang{grid-template-columns:repeat(2,minmax(0,1fr))}.thm.thm-lang .thm-thumb{width:calc((100% - 6px) / 2)}.thm-lang.is-mini{display:inline-grid;min-width:92px}.thm-lang.is-mini button{min-height:30px;font-size:12px}