:root{--bg:#f6faf7;--card:#ffffff;--accent:#2f7a4f;--accent-2:#4caf7a;--text:#1f2a24;--muted:#5a6a61;}*{box-sizing:border-box;}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial;line-height:1.5;color:var(--text);background:var(--bg);}header{padding:32px 20px;background:linear-gradient(120deg,#e7f6ec,#f3fbf6);}h1{margin:0 0 8px;font-size:28px;}p{margin:0 0 12px;color:var(--muted);}main{max-width:960px;margin:0 auto;padding:24px 20px 60px;}nav a{margin-right:16px;color:var(--accent);text-decoration:none;font-weight:600;}nav a.active{text-decoration:underline;}section.card{background:var(--card);border-radius:14px;padding:18px 20px;margin:16px 0;box-shadow:0 6px 20px rgba(0,0,0,.06);}label{display:block;margin:10px 0 6px;font-weight:600;}select,input,textarea{width:100%;padding:10px 12px;border:1px solid #d7e4dc;border-radius:10px;background:#fff;font-size:14px;}button{background:var(--accent);color:#fff;border:none;border-radius:10px;padding:10px 16px;font-weight:700;cursor:pointer;}button:hover{background:var(--accent-2);}#results{margin-top:14px;}ul{padding-left:20px;}footer{margin-top:24px;color:var(--muted);font-size:13px;}