body{margin:0;font-family:Arial,sans-serif;background:#e6cfcf;display:flex;justify-content:center;align-items:center;height:100vh}.container{background:#b7d3d9;padding:40px;border-radius:20px;box-shadow:0 0 15px #0003;text-align:center;width:800px}h1{margin-bottom:20px}.input-label{display:block;margin-bottom:20px}input{padding:8px;border-radius:6px;border:1px solid #999;margin-left:10px}button{padding:10px 20px;background:#c7f000;border:none;border-radius:6px;cursor:pointer;font-weight:700;margin-bottom:30px}button:hover{background:#b2d800}.timer{display:flex;justify-content:space-between}.field{background:white;padding:20px;border-radius:12px;width:150px}.label{display:block;font-weight:700;margin-bottom:10px;color:#444}.value{font-size:32px;font-weight:700}