.theme-toggle{position:fixed;top:.75rem;right:.75rem;z-index:1001;width:2.25rem;height:2.25rem;padding:0;display:inline-flex;align-items:center;justify-content:center;color:var(--color-text-soft,#515151);background:var(--color-bg-overlay,rgba(255,255,255,0.9));border:1px solid var(--color-border,#e5e5e5);border-radius:50%;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,0.08);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);-webkit-tap-highlight-color:transparent;transition:color .15s ease,background-color .15s ease,border-color .15s ease,transform .15s ease}.theme-toggle:hover,.theme-toggle:focus-visible{color:var(--color-accent,#268bd2);border-color:var(--color-accent,#268bd2);transform:translateY(-1px)}.theme-toggle:active{transform:translateY(0)}.theme-toggle svg{display:block}@media(min-width:48em){.theme-toggle{top:1rem;right:1rem}}@media print{.theme-toggle{display:none !important}}@media(prefers-reduced-motion:reduce){.theme-toggle{transition:none}}