*{box-sizing:border-box}body{margin:0;background:#f6f7f8;color:#333;font:16px/1.7 -apple-system,BlinkMacSystemFont,"Helvetica Neue","Yu Gothic",sans-serif}main{max-width:760px;margin:32px auto;padding:32px;background:white;border:1px solid #e4e7e9;border-radius:8px}header{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid #ddd;padding-bottom:20px}header a{font-size:24px;font-weight:bold;color:#007bb8;text-decoration:none}header span{color:#777}h1{font-size:28px}h2{font-size:21px}label{display:block;margin:16px 0}input,select{display:block;width:100%;padding:12px;border:1px solid #bbb;border-radius:4px;font:inherit}button{background:#007bb8;border:1px solid #007bb8;color:white;padding:10px 24px;border-radius:4px;font:inherit;cursor:pointer}a{color:#007bb8}button.secondary{background:white;color:#555;border-color:#bbb}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px}.error{background:#ffeded;color:#a00;padding:12px}.success{background:#eaf7ef;padding:12px}dl{display:grid;grid-template-columns:160px 1fr;border-top:1px solid #ddd}dt,dd{padding:16px 0;border-bottom:1px solid #ddd;margin:0}dt{color:#777}section{margin-top:32px;border-top:1px solid #ddd;padding-top:16px}summary{cursor:pointer}@media(max-width:600px){main{margin:12px;padding:20px}header{flex-direction:column;gap:0}dl{grid-template-columns:115px 1fr}}

main{max-width:1000px}.table-scroll{overflow-x:auto;margin:20px 0}.items{width:100%;border-collapse:collapse;min-width:620px}.items th,.items td{padding:14px 12px;text-align:left;border-bottom:1px solid #ddd;vertical-align:top}.items th{background:#f4f6f7;font-weight:500;white-space:nowrap}.items small{display:block;font-size:12px;color:#777}.items td:first-child{min-width:150px}.delete{background:white;border:0;color:#a33;padding:6px 0;font-size:14px}#item-edit form{max-width:650px}