:root{--bg: #f4f4f4;--text: #333}html,body{height:100%}body{margin:0;padding:0;font-family:Arial,sans-serif;background-color:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.content-wrapper{max-width:1200px;margin:0 auto;padding:20px;box-sizing:border-box}table{width:100%;margin-top:20px;border-collapse:collapse}table th,table td{padding:12px;border:1px solid #ddd;text-align:left}table th{background-color:#f2f2f2}.task-title{color:#007bff;text-decoration:none;cursor:pointer;font-weight:700}.task-title:hover{text-decoration:underline}button{font-family:inherit;outline:none}.hidden{display:none!important}.center{text-align:center}