body{font-family:system-ui,sans-serif;max-width:820px;margin:0 auto;padding:1rem;line-height:1.6;color:#222}
header,footer{border-bottom:2px solid #3a6b35;padding:.5rem 0;margin-bottom:1rem}
footer{border-top:2px solid #3a6b35;border-bottom:none;margin-top:2rem;font-size:.9rem;color:#555}
nav a{margin-right:1rem;color:#3a6b35;font-weight:600}
h1,h2{color:#2d4f2a}table{border-collapse:collapse;width:100%}td,th{border:1px solid #ccc;padding:.4rem}
.placeholder{border:2px dashed #aaa;background:#f7f7f2;padding:1rem;color:#666}
.note{background:#fff8e1;padding:.6rem;border-left:4px solid #e0a800}