body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;margin:0;padding:0}.app{max-width:900px;margin:24px auto;padding:16px}header{display:flex;flex-direction:column;gap:8px;align-items:flex-start;justify-content:flex-start;margin-bottom:16px}.list{margin-top:16px}.item{display:flex;justify-content:space-between;align-items:center;padding:12px;border:1px solid #eee;border-radius:6px;margin-bottom:8px}.item.done{background:#e6ffe6}.label{font-weight:600}.date{color:#666;font-size:.9em}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:50}.modal{background:#fff;padding:16px;border-radius:8px;max-width:90%;max-height:90%}table.calendar{border-collapse:collapse;width:100%;margin-top:16px}table.calendar th,table.calendar td{border:1px solid #eee;padding:6px;text-align:center;font-size:13px}table.calendar th{background:#f4f4f4;font-weight:600}table.calendar td.rest{background:#f8f8f8;color:#888}table.calendar td.workout{background:#e6f7ff}button{cursor:pointer;padding:6px 10px;border-radius:6px;border:1px solid #ccc;background:#fff}button:hover{opacity:.95}.modal .item-ex{margin-bottom:6px}