:root{--lego-red: #d90429;--lego-yellow: #f4d35e;--lego-blue: #0077b6;--lego-green: #2a9d8f;--bg-color: #f8f9fa;--text-color: #2b2d42}body{margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-color);color:var(--text-color);overflow:hidden}.flex-center{display:flex;justify-content:center;align-items:center}.full-screen{width:100vw;height:100vh}.lego-block{border-top:4px solid rgba(255,255,255,.3);border-left:4px solid rgba(255,255,255,.3);border-bottom:4px solid rgba(0,0,0,.1);border-right:4px solid rgba(0,0,0,.1);border-radius:2px;position:absolute;box-sizing:border-box;box-shadow:1px 1px 3px #0003;transition:opacity .2s ease-out;animation:popIn .3s cubic-bezier(.175,.885,.32,1.275)}.lego-stud{width:24%;height:24%;border-radius:50%;position:absolute;box-shadow:inset 2px 2px 2px #ffffff80,inset -2px -2px 2px #0003,2px 2px 1px #0000001a;border:1px solid rgba(0,0,0,.05)}@keyframes popIn{0%{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}