body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Arial,sans-serif;margin:0;padding:24px;background:#f4f7f5;color:#223;}
header{display:flex;align-items:center;gap:12px;margin-bottom:16px}
h1{margin:0 0 12px 0;color:#1b5e20}
nav a{color:#2e7d32;text-decoration:none;margin-right:10px}
nav a:hover{text-decoration:underline}
button,input,select,textarea{font:inherit;padding:8px;border:1px solid #cfd8dc;border-radius:6px}
button{background:#2e7d32;color:white;border:none;cursor:pointer}
button:hover{background:#1b5e20}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border:1px solid #cfd8dc;padding:8px}
footer{margin-top:32px;color:#666}