:root{--accent:#003366;--bg:#f6f8fb;--card:#fff;--silver:#c0c0c0}
body{font-family:system-ui,Roboto,Arial;margin:0;background:var(--bg);color:#111}
header{background:var(--accent);color:#fff;padding:12px 16px;display:flex;align-items:center;justify-content:space-between}
header img.logo{height:42px;margin-right:10px}
footer{background:#f0f0f0;color:var(--silver);text-align:center;padding:8px;font-size:13px;margin-top:20px}
.card{background:var(--card);padding:12px;border-radius:10px;box-shadow:0 1px 3px rgba(0,0,0,.08);margin:12px auto;max-width:1100px}
button{background:var(--accent);color:#fff;border:none;padding:8px 12px;border-radius:8px;cursor:pointer}
input,select,textarea{padding:8px;border:1px solid #ddd;border-radius:8px;width:100%}