body,html{overflow-x:hidden}.toggle-theme-btn{position:fixed;bottom:20px;right:20px;width:56px;height:56px;font-size:1.5rem;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;border:2px solid rgba(255,255,255,.3);cursor:pointer;border-radius:50%;display:flex;justify-content:center;align-items:center;transition:all .3s cubic-bezier(.4, 0, .2, 1);box-shadow:0 10px 25px rgba(99,102,241,.4),0 4px 10px rgba(0,0,0,.2);z-index:9999}.toggle-theme-btn:hover{background:linear-gradient(135deg,#8b5cf6,#a78bfa);transform:scale(1.15) rotate(15deg);box-shadow:0 15px 35px rgba(139,92,246,.5),0 6px 15px rgba(0,0,0,.3);border-color:rgba(255,255,255,.5)}.toggle-theme-btn:active{transform:scale(1.05) rotate(15deg)}[data-theme=dark] .toggle-theme-btn{background:linear-gradient(135deg,#fbbf24,#f59e0b);box-shadow:0 10px 25px rgba(251,191,36,.4),0 4px 10px rgba(0,0,0,.3);border-color:rgba(255,255,255,.2)}[data-theme=dark] .toggle-theme-btn:hover{background:linear-gradient(135deg,#fcd34d,#fbbf24);box-shadow:0 15px 35px rgba(252,211,77,.5),0 6px 15px rgba(0,0,0,.4);border-color:rgba(255,255,255,.4)}