.theme-toggle{position:fixed;bottom:1.25rem;right:1.25rem;width:42px;height:42px;border-radius:var(--radius-full);border:1px solid var(--color-border);background:var(--color-card-bg);color:var(--color-text);font-size:1.1rem;cursor:pointer;z-index:1000;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);transition:all var(--transition-base)}.theme-toggle:hover{background:var(--color-primary);color:#fff;border-color:var(--color-primary);transform:scale(1.1);box-shadow:var(--shadow-lg)}.auth-page .theme-toggle{width:44px;height:44px;font-size:1.25rem;background:var(--auth-card-bg);border:1px solid var(--auth-card-border);color:var(--auth-toggle-color);box-shadow:var(--auth-card-shadow)}.auth-page .theme-toggle:hover{background:var(--auth-accent);border-color:var(--auth-accent);color:var(--auth-btn-text)}