body{font-family:system-ui,'Malgun Gothic',sans-serif;margin:0 auto;max-width:720px;padding:16px;line-height:1.5;color:#1c1c1c;background:#fff}
h1{font-size:1.4rem}h2{font-size:1.1rem;margin-top:2rem}label{display:block;margin:.6rem 0}
input:not([type=checkbox]),select{display:block;width:100%;box-sizing:border-box;padding:.6rem;font-size:1rem}
button{padding:.6rem 1rem;font-size:1rem;margin-top:.4rem}table{border-collapse:collapse;width:100%;font-size:.9rem}
th,td{border-bottom:1px solid #ddd;padding:.4rem;text-align:left;word-break:break-all}.err{color:#b00020}.once{background:#f4f4f4;padding:.8rem;font-family:monospace;word-break:break-all}
td button{padding:.2rem .5rem;font-size:.85rem;margin:0}nav form{display:inline}nav button{padding:.1rem .5rem;font-size:.85rem;margin:0}.stale{color:#c25e00;font-weight:600}.note{color:#666;font-size:.85rem}
@media(prefers-color-scheme:dark){body{background:#161616;color:#eee}a{color:#8ab4f8}th,td{border-color:#444}.once{background:#262626}.err{color:#ff8a80}}