.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--text);font-size:18px;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 8px rgba(0,0,0,.1)}.theme-toggle:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,0,0,.15);border-color:var(--data-teal)}.theme-toggle:active{transform:translateY(0)}@media (max-width:768px){.theme-toggle{display:none}}