body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Helvetica,Arial,sans-serif;line-height:1.45;margin:0}
.muted{color:#666}
.ok{background:#efe;border:1px solid #9c9;padding:8px;border-radius:6px;margin:10px 0}
.error{background:#fee;border:1px solid #f99;padding:8px;border-radius:6px;margin:10px 0}
table{border-collapse:collapse;width:100%;margin-top:12px}
th,td{border:1px solid #e5e7eb;padding:8px;text-align:left}
th{background:#f6f6f6}
input,select,button{font:inherit}
button{padding:8px 12px;border:1px solid #cbd5e1;border-radius:6px;background:#f8fafc;cursor:pointer}
/* layout helpers */
.snav a{margin:2px 0;display:block}
.muted{color:#666}