*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f5f7fa;color:#1a1a2e}.container{max-width:1200px;margin:0 auto;padding:0 1rem}nav{background:#16213e;padding:1rem;color:#fff;display:flex;justify-content:space-between;align-items:center}nav a{color:#fff;text-decoration:none;margin-left:1rem}nav a:hover{text-decoration:underline}.logo{font-size:1.4rem;font-weight:700;color:#4ecca3}.card{background:#fff;border-radius:8px;padding:1.5rem;margin:1rem 0;box-shadow:0 2px 8px #00000014}.badge{display:inline-block;padding:.25rem .75rem;border-radius:12px;font-size:.8rem;font-weight:600;text-transform:uppercase}.badge-cycling{background:#e3f2fd;color:#1565c0}.badge-running{background:#fff3e0;color:#e65100}.badge-hiking{background:#e8f5e9;color:#2e7d32}button{padding:.6rem 1.2rem;border:none;border-radius:6px;cursor:pointer;font-weight:600;font-size:.9rem}.btn-primary{background:#4ecca3;color:#16213e}.btn-primary:hover{background:#3db88f}input,select,textarea{padding:.6rem;border:1px solid #ddd;border-radius:6px;font-size:.9rem;width:100%;margin-bottom:.75rem}.activity-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1rem;margin-top:1rem}.map-container{height:400px;border-radius:8px;overflow:hidden;margin:1rem 0}