body{font-family:system-ui,sans-serif;margin:0;background:#f4f5f7;color:#1c2733}
nav{background:#1c2733;color:#fff;padding:.7rem 1.2rem;display:flex;gap:1.2rem}
nav a{color:#9fc3e8;text-decoration:none}.brand{font-weight:700;color:#fff}
main{max-width:760px;margin:2rem auto;background:#fff;padding:1.5rem 2rem;border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,.12)}
table{border-collapse:collapse;width:100%}td,th{border-bottom:1px solid #e2e6ea;padding:.45rem;text-align:left}
.ok{color:#0a7a3d}.err{color:#b3261e;background:#fdecea;padding:.5rem;border-radius:4px}
label{display:block;margin:.7rem 0}input{padding:.4rem;border:1px solid #c3cbd3;border-radius:4px;width:240px}
button{margin-top:.8rem;padding:.45rem 1.2rem;background:#2a6fdb;color:#fff;border:0;border-radius:4px}
footer{color:#7a8794;text-align:center;padding:1rem;font-size:.85rem}