:root{--bg: #f7f9fc;--accent: #2563eb;--muted: #666}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;background:var(--bg);color:#111}.app{max-width:720px;margin:32px auto;padding:20px;background:#fff;border-radius:8px;box-shadow:0 6px 18px #1018280f}header h1{margin:0 0 4px}.form{display:grid;gap:10px;margin:16px 0}.form label{display:flex;flex-direction:column;font-size:14px;color:var(--muted)}.form select{padding:8px;border-radius:6px;border:1px solid #ddd}button{background:var(--accent);color:#fff;border:none;padding:10px 14px;border-radius:6px;cursor:pointer}.recommendations ul{margin:8px 0 0 16px}