*{margin:0;padding:0;box-sizing:border-box;font-family:Arial,sans-serif}.todo-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(120deg,#001f3f,#036);color:#fff;padding:2rem}h1{font-size:3rem;margin-bottom:1rem;text-transform:uppercase;letter-spacing:2px}.date-time{font-size:1.5rem;font-weight:300;opacity:.8}form{display:flex;gap:.5rem;margin:1.5rem 0}.todo-input{padding:12px;font-size:1rem;border-radius:8px;border:none;outline:none;width:250px;background-color:#f8f9fa;color:#333}.todo-btn{padding:12px 20px;font-size:1rem;border:none;border-radius:8px;background-color:#28a745;color:#fff;cursor:pointer;transition:.3s}.todo-btn:hover{background-color:#218838}.myUnOrdList ul{list-style:none;width:100%;max-width:500px;margin-top:1rem}.todo-item{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;max-width:500px;background:#f8f9fa;color:#333;padding:12px;margin-bottom:10px;border-radius:8px;box-shadow:0 4px 6px #0000001a;word-wrap:break-word;overflow:hidden}.todo-item span{flex-grow:1;font-size:1rem;word-wrap:break-word}.check-btn,.delete-btn{border:none;cursor:pointer;font-size:1.5rem;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;transition:.3s}.check-btn{background-color:#28a745;color:#fff}.check-btn:hover{background-color:#218838}.delete-btn{background-color:#dc3545;color:#fff}.delete-btn:hover{background-color:#c82333}.checkList{text-decoration:line-through;color:#6c757d}.clear-btn{margin-top:1rem;padding:12px 20px;font-size:1rem;background-color:#dc3545;color:#fff;border:none;border-radius:8px;cursor:pointer;transition:.3s}.clear-btn:hover{background-color:#c82333}