.theme-toggle{position:fixed;bottom:var(--spacing-xl);right:var(--spacing-xl);width:56px;height:56px;border-radius:50%;background:var(--glass-white);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--glass-border);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);z-index:1000;box-shadow:0 8px 32px var(--glass-shadow)}.theme-toggle:hover{transform:translateY(-4px) rotate(180deg);box-shadow:var(--glow-purple)}.theme-toggle .icon{width:24px;height:24px;color:var(--text-primary);transition:transform .3s ease}[data-theme=dark] .theme-toggle{background:#ffffff0d;box-shadow:0 8px 32px #0000004d}[data-theme=dark] .theme-toggle:hover{box-shadow:0 12px 40px #667eea66}@media(max-width:768px){.theme-toggle{bottom:var(--spacing-lg);right:var(--spacing-lg);width:48px;height:48px}.theme-toggle .icon{width:20px;height:20px}}