body{font-family:system-ui,Arial,sans-serif;background:#f4f6f8;margin:0;color:#1d2733}
header{background:#123a5c;color:#fff;padding:12px 20px}header a{color:#cfe3ff}
main{max-width:960px;margin:20px auto;padding:0 16px}
.card{background:#fff;border-radius:8px;padding:16px 20px;margin-bottom:16px;box-shadow:0 1px 3px #0002}
.narrow{max-width:360px;margin:80px auto}
label{display:block;margin:10px 0}input{display:block;width:100%;padding:8px;box-sizing:border-box}
button{background:#1f6fb2;color:#fff;border:0;padding:9px 16px;border-radius:5px;cursor:pointer}
table{width:100%;border-collapse:collapse}td,th{border-bottom:1px solid #e3e7eb;padding:6px;text-align:left;font-size:14px}
.muted{color:#6b7785}.err{color:#b3261e}.msg{border-left:3px solid #1f6fb2;padding:4px 10px;margin:6px 0;font-size:14px}