.preferences{gap:16px}.language-control{border:1px solid var(--line);background:var(--surface);border-radius:10px;align-items:center;position:relative}.language-flag{pointer-events:none;border-radius:3px;width:24px;height:16px;position:absolute;left:12px;box-shadow:0 0 0 1px #80808030}.preferences .language-control select{border-radius:10px;width:104px;min-width:104px;max-width:none;padding:8px 26px 8px 44px;font-size:14px;font-weight:600}.theme-control{position:relative}.theme-switch{border:1px solid var(--border);width:80px;height:44px;color:var(--muted);background:var(--canvas);border-radius:24px;justify-content:space-around;align-items:center;padding:4px;display:flex;position:relative}.theme-switch-thumb{background:var(--surface);border-radius:50%;width:34px;height:34px;transition:transform .16s;position:absolute;top:4px;left:4px;box-shadow:0 1px 4px #0000001a}.theme-switch svg{fill:none;stroke:currentColor;stroke-width:1.7px;stroke-linecap:round;stroke-linejoin:round;width:18px;height:18px;position:relative}.theme-switch .theme-sun{color:var(--accent-text)}.theme-switch.is-dark .theme-switch-thumb{background:var(--primary-soft);transform:translate(36px)}.theme-switch.is-dark .theme-sun{color:var(--muted)}.theme-switch.is-dark .theme-moon{color:var(--accent-text)}.theme-switch:hover{border-color:var(--accent-text)}.preferences p[role=alert]{max-width:220px;color:var(--danger);font-size:14px}.preference-label{display:none}@media (prefers-reduced-motion:reduce){.theme-switch-thumb{transition:none}}